CN103730970A - Coil panel structure used for wind power generation system under extreme condition - Google Patents
Coil panel structure used for wind power generation system under extreme condition Download PDFInfo
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- CN103730970A CN103730970A CN201310725559.6A CN201310725559A CN103730970A CN 103730970 A CN103730970 A CN 103730970A CN 201310725559 A CN201310725559 A CN 201310725559A CN 103730970 A CN103730970 A CN 103730970A
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Abstract
The invention discloses a coil panel structure used for a wind power generation system under the extreme condition. The coil panel structure comprises a coil panel formed by epoxy resin and glass fabric in a high-pressure mode, wherein the coil panel is coaxial with a main shaft of an electric generator and is located between a drive magnetic steel panel and a driven magnetic steel panel; the coil panel is provided with a plurality of coils which are evenly distributed with the center of the panel as the circle center; the coils are trapezoid; the spaces between the adjacent coils on the coil panel in the radial direction of the coil panel are the same all the time; the panel surface of one end of the coil panel is provided with installation grooves which are of a blind hole structure; the coils are placed in the installation grooves and then are packaged through potting compounds. The coil panel structure has the characteristics of being high in hardness, not conductive to electricity and magnetism, and resistant to high temperature; the starting torque of the magnetic steel panels is small; due to the facts that the trapezoid coils are evenly distributed around the center of the coil panel and the spaces between the adjacent coils in the radial direction of the coil panel are the same all the time, eddy currents are prevented; due to the fact that the installation grooves are of the blind hole structure, the coil panel is firmer; meanwhile, the coils are placed in the installation grooves and then are packaged through the potting compounds, the insulation performance between the coils is enhanced.
Description
Technical field
The present invention relates to technical field of wind power generator, particularly extreme condition apparatus for lower wind electricity generation system coil disk structure.
Background technology
Wind generator system is a kind of natural wind drive vane of utilizing, and by vane drive generator, works, and wind energy is changed into the device of electric energy.
The Blast Furnace Top Gas Recovery Turbine Unit (TRT) of traditional wind-driven generator is generally drum-shaped structure, and adopt radially logical magnetic mode, mainly comprise stator and rotor, stator is provided with around the equally distributed coil of stator center with for guiding the iron core of the magnetic line of force, on rotor, be provided with magnet steel, by blade rotation rotor driven, in stator, rotated, do the motion of cutting magnetic line, thereby generation induced electromotive force, by binding post, this electromotive force is drawn and is linked into and in loop, get final product generation current, but this structure is owing to adopting the iron core guiding magnetic line of force, between rotor and stator, can produce slot effect, this just has relatively high expectations to starting wind-force, greatly limited the scope of application of wind-driven generator.
In order to eliminate slot effect, the wind-driven generator of iron-core-free structure is applied and is given birth to, it mainly comprises coil panel and two the magnet steel dishes that are coaxially arranged on generator shaft, coil panel is placed between two magnet steel dishes and on it, is provided with coil, in two moving magnet steel dishes card in opposite directions, be provided with uniformly some opposite polarity magnet steel to form magnetic flux, generator wind wheel is fixedly installed on generator shaft, during work, by wind wheel, under the driving of wind-force, rotated, and drive generator shaft together with the master of being fixed on generator shaft, driven magnet steel dish rotates together, by relatively rotating between coil panel and two magnet steel dishes, make coil panel make cutting magnetic line movement for the magnetic flux between two moving magnet steel dishes, thereby on coil panel, produce induced electromotive force.If said structure coil dish adopts permeability magnetic material to make, due to the magnetic attraction effect between the magnet steel on coil panel and magnet steel dish, relatively rotating between magnet steel dish and coil panel is obstructed, to starting having relatively high expectations of wind-force; If coil panel adopts electric conducting material to make, it can produce current vortex and generate heat, the one, loss is large, and the 2nd, coil panel heating temp raises, and easily feels like jelly, scorification, wind-driven generator cannot be worked, yet the coil panel ubiquity hardness of the wind-driven generator of existing iron-core-free structure is less, the defect of magnetic conduction conduction, greatly limited the scope of application of wind-driven generator, and between the coil on coil panel, insulating properties is low, its high voltage withstanding property is low, makes it cannot be applied to high voltage occasion.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides high, the non-conductive not magnetic conduction of a kind of hardness, extreme condition apparatus for lower wind electricity generation system coil disk structure applied widely.
The technical solution adopted for the present invention to solve the technical problems is:
Extreme condition apparatus for lower wind electricity generation system coil disk structure, comprise the coil panel by epoxy resin and glass-fiber-fabric high-pressure molding, described coil panel is coaxial and be positioned at master with generator shaft, between driven magnet steel dish, coil panel be provided with take disk center as the center of circle equally distributed a plurality of coils, the profile of described coil is trapezoidal, and on coil panel, between adjacent windings, the spacing along coil disc radial equates all the time, in the card of coil panel one end, offer for the mounting groove of coil is installed, described mounting groove is that blind hole structure and its middle part are provided with for set winding and the projection that prevents winding deformation, coil encapsulates with potting compound after being placed in mounting groove.
As the improvement of technique scheme, the distance between the bottom of described mounting groove and the card of the coil panel other end is 2 ~ 5mm.
Further, the shape of the magnet steel on described projection and driving and driven magnet steel dish, in the same size.
Further, on the outer rim of described coil panel and inner edge, be provided with convex tendon.
Further, described coil panel is fixedly installed on generator shaft by coil panel installing rack, and coil panel offers the bolt mounting holes for fixed coil dish installing rack near outer edge.
Further, described coil panel installing rack comprises the support being bolted with coil panel, and is socketed on generator shaft and the sleeve being connected by screw with it.
Further, described mounting groove adopts engraving process to be located on coil panel.
The invention has the beneficial effects as follows: coil disk structure of the present invention is owing to adopting epoxy resin and glass-fiber-fabric high-pressure molding to make coil panel, thereby it is high to have hardness, non-conductive not magnetic conduction, the characteristic of heat-resisting quantity, avoid making to produce the rotation that magnetic attraction hinders magnet steel dish between coil panel and magnet steel dish because of coil panel magnetic conduction, make magnet steel dish can start rotation under low torque, because trapezoidal coil is uniformly distributed around coil panel center, and on coil panel, between adjacent windings, the spacing along coil disc radial equates all the time, prevented current vortex, improved energy output, owing to being that blind hole structure and its middle part is provided with projection for the mounting groove of coil is installed on coil panel, the Ampere force that makes coil panel be difficult for being applied on coil damages, coil panel is more solid and reliable, after coil is placed in mounting groove simultaneously, with potting compound, encapsulate, strengthened the insulating properties between each coil, improved the high voltage withstanding performance of whole coil panel.The present invention is simple in structure, can be applied under the environment of high voltage, high temperature, and magnet steel dish can start in the situation that wind speed is lower, applied widely.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is that the present invention is installed on the schematic perspective view on wind-driven generator;
Fig. 2 is that the present invention is installed on the cutaway view on wind-driven generator;
Fig. 3 is the structural representation of the coil panel in the present invention
Fig. 4 is that coil is installed on the vertical view on coil panel;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the vertical view of the coil in the present invention;
Fig. 7 is the end view of the coil in the present invention.
Embodiment
Referring to figs. 1 through Fig. 7, extreme condition apparatus for lower wind electricity generation system coil disk structure of the present invention, comprise the coil panel 31 by epoxy resin and glass-fiber-fabric high-pressure molding, because epoxy resin has excellent adhesive strength to the surface of metal material and nonmetallic materials, dielectric property are good, good insulating, and its set shrinkage is little, hardness is high, and pliability is better, and glass-fiber-fabric has good covering function, can guarantee the even of surface texture, its tensile property is strong, good insulating, therefore, it is high that the coil panel 31 that process epoxy resin and glass-fiber-fabric high-pressure molding make has hardness, non-conductive not magnetic conduction, resistant to elevated temperatures characteristic, avoid making to produce the rotation that magnetic attraction hinders magnet steel dish between coil panel and magnet steel dish because of coil panel magnetic conduction, make magnet steel dish can start rotation under low torque, described coil panel 31 is coaxial and be positioned at master with generator shaft 1, driven magnet steel dish 21, between 22, coil panel 31 be provided with take disk center as the center of circle equally distributed a plurality of coils 32, the profile of described coil 32 is trapezoidal, and between adjacent windings 32, along coil panel 31 space D radially, equate all the time on coil panel 31, prevented current vortex, improved energy output, in the card of described coil panel 31 one end, offer for the mounting groove 311 of coil 32 is installed, preferably, described mounting groove 311 adopts engraving process to be located on coil panel 31, artistic carving is ripe, working (machining) efficiency is high, quality is good, can guarantee each mounting groove 311 equably on distribution coil dish 31 so that coil 32 is installed on coil panel 31 equably, improve generating efficiency.Described mounting groove 311 is provided with for set winding 32 and prevents the projection 312 that coil 32 is out of shape for blind hole structure and in the middle part of it, preferably, distance B between the card of the bottom of described mounting groove 311 and coil panel 31 other ends is 2 ~ 5mm, said structure is owing to adopting the mounting groove 311 of blind hole structure, and at mounting groove 311 middle parts, projection 312 is set, greatly improved the intensity of coil panel 31, the Ampere force that makes coil panel 31 be difficult for being applied on coil 32 damages, while is due to support and the positioning action of 312 pairs of coils 32 of projection, make coil 32 not yielding and mobile under the effect of Ampere force.Further, in order to improve magnetic energy utilization rate, improve generating efficiency, the shape of the magnet steel 23 on described projection 312 and driving and driven magnet steel dish 21,22, in the same size.Described coil 32 is placed in that mounting groove 311 is interior to be encapsulated afterwards with potting compound, above-mentioned potting compound is encapsulated in coil 32 in mounting groove 311, strengthened the insulating properties between each coil 32, improved the high voltage withstanding performance of whole coil panel 31, it can be applied under high voltage environment.
Further, for the intensity of intensifier coil dish 31, on the outer rim of described coil panel 31 and inner edge, be provided with convex tendon 314.For the convenient coil panel 31 of installing, described coil panel 31 is fixedly installed on generator shaft 1 by coil panel installing rack 4, the outer edge of coil panel 31 offers the bolt mounting holes 313 for fixed coil dish installing rack 4, in the present embodiment, described bolt mounting holes 313 is opened on the convex tendon 314 of coil panel 31 outer rims.Said structure is arranged on the position close to from mounting groove 311 by the tie point between coil panel 31 and coil panel installing rack 4, shortened the arm of force that acts on the Ampere force on coil 32, greatly reduced the suffered torsional moment of coil panel 31, extended useful life of the present invention, preferably, described coil panel installing rack 4 comprises the support 42 being bolted with coil panel 31, and the sleeve 41 that is socketed on generator shaft 1 and is connected by screw with it, above-mentioned screw, bolt fastening structure, facilitate the dismounting maintenance of coil panel 31, at this, coil panel installing rack 4, coil panel 31 lays respectively at the both sides of driven magnet steel dish 22, rotation for fear of driven magnet steel dish 22 is interfered, between described coil panel installing rack 4 and coil panel 31, must keep certain gap, said structure can coordinate to realize with a plurality of nuts by bolt, during installation, with bolt and one of them nut thread, lock coil panel installing rack 4, by the threaded engagement on two other nut and above-mentioned bolt, lock coil panel 31.Further, in order to strengthen the bonding strength between sleeve 41 and support 42, between described sleeve 41 and support 42, be provided with reinforcement 43.
With reference to Fig. 1, a kind of use wind-driven generator of the present invention, described active magnetic steel disk 21 is connected and fixed and is become one by bolt and driven magnet steel dish 22, described active magnetic steel disk 21 is socketed on generator shaft 1 and in its central shaft hole and is provided with forward and backward bearing 61,62, between described forward and backward bearing 61,62, is provided with bearing inner spacing collar 63.The wind wheel 5 of wind-driven generator is fixedly installed on the opposite side of the corresponding coil panel 31 of active magnetic steel disk 21, during work, coil panel 31 maintains static, wind wheel 5 rotates under Wind power propelling, and drive active magnetic steel disk 21 to rotate, active magnetic steel disk 21 drives driven magnet steel dish 22 synchronously around generator shaft 1, to rotate by bolt, thereby makes coil panel 31 make cutting magnetic line movement for the magnetic flux between the driving and driven magnet steel dish 21,22 of its both sides.This structure adopts coil panel 31 and generator shaft 1 not to turn round, the structure that active magnetic steel disk 21 is socketed on generator shaft 1 rotationally by forward and backward bearing 61,62, abandoned the structure that coreless wind driven generator drives generator shaft and rotates with the magnet steel dish of magnet steel with wind wheel, eliminated cantilever effect, and due to the outer ring rotating of bearing, the inner ring of bearing is fastened on generator shaft and does not rotate, its resistance of start square is little, reduced starting the requirement of wind-force, expanded the scope of application of generator.
Certainly, the present invention, except above-mentioned execution mode, can also have other structural distortion, and these equivalent technical solutions also should be within its protection range.
Claims (7)
1. extreme condition apparatus for lower wind electricity generation system coil disk structure, it is characterized in that: comprise the coil panel (31) by epoxy resin and glass-fiber-fabric high-pressure molding, described coil panel (31) is coaxial and be positioned at master with generator shaft (1), driven magnet steel dish (21, 22) between, coil panel (31) be provided with take disk center as the center of circle equally distributed a plurality of coils (32), the profile of described coil (32) is trapezoidal, and along coil panel (31) spacing radially, equate all the time between the upper adjacent windings (32) of coil panel (31), in the card of coil panel (31) one end, offer the mounting groove (311) for coil (32) are installed, described mounting groove (311) is provided with for set winding (32) and prevents the projection (312) that coil (32) is out of shape for blind hole structure and in the middle part of it, coil (32) encapsulates with potting compound after being placed in mounting groove (311).
2. extreme condition apparatus for lower wind electricity generation system coil disk structure according to claim 1, is characterized in that: the distance between the bottom of described mounting groove (311) and the card of coil panel (31) other end is 2 ~ 5mm.
3. extreme condition apparatus for lower wind electricity generation system coil disk structure according to claim 1, is characterized in that: the shape of the magnet steel (23) on described projection (312) and driving and driven magnet steel dish (21,22), in the same size.
4. according to the arbitrary described extreme condition apparatus for lower wind electricity generation system coil disk structure of claims 1 to 3, it is characterized in that: on the outer rim of described coil panel (31) and inner edge, be provided with convex tendon (314).
5. according to the arbitrary described extreme condition apparatus for lower wind electricity generation system coil disk structure of claims 1 to 3, it is characterized in that: it is upper that described coil panel (31) is fixedly installed in generator shaft (1) by coil panel installing rack (4), and coil panel (31) offers the bolt mounting holes (313) for fixed coil dish installing rack (4) near outer edge.
6. extreme condition apparatus for lower wind electricity generation system coil disk structure according to claim 5, it is characterized in that: described coil panel installing rack (4) comprises the support (42) being bolted with coil panel (31), and be socketed on the sleeve (41) that generator shaft (1) is upper and be connected by screw with it.
7. extreme condition apparatus for lower wind electricity generation system coil disk structure according to claim 1, is characterized in that: described mounting groove (311) adopts engraving process to be located on coil panel (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725559.6A CN103730970B (en) | 2013-12-25 | 2013-12-25 | Extreme condition apparatus for lower wind electricity generation system coil disk structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310725559.6A CN103730970B (en) | 2013-12-25 | 2013-12-25 | Extreme condition apparatus for lower wind electricity generation system coil disk structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103730970A true CN103730970A (en) | 2014-04-16 |
| CN103730970B CN103730970B (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310725559.6A Expired - Fee Related CN103730970B (en) | 2013-12-25 | 2013-12-25 | Extreme condition apparatus for lower wind electricity generation system coil disk structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390532A (en) * | 2018-04-28 | 2018-08-10 | 深圳市永盛微波技术有限公司 | A kind of planar coil three-phase synchronous motor based on polyimides |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010226799A (en) * | 2009-03-19 | 2010-10-07 | Chu Hayashi | Electric generator |
| CN201887634U (en) * | 2010-10-31 | 2011-06-29 | 武汉洲和机电有限公司 | Coreless wind generator |
| US20110221289A1 (en) * | 2010-03-10 | 2011-09-15 | Chih-Hsien Wu | Radiator for power generator coil |
| CN202513688U (en) * | 2012-03-29 | 2012-10-31 | 哈尔滨超艺新能源科技有限公司 | Wind driven generator with vertical-axis micro-power magnetic loop and energy gathering ring |
| CN203691098U (en) * | 2013-12-25 | 2014-07-02 | 佛山市顺德区风源能源科技有限公司 | Coil panel structure used for wind generator system in extreme conditions |
-
2013
- 2013-12-25 CN CN201310725559.6A patent/CN103730970B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010226799A (en) * | 2009-03-19 | 2010-10-07 | Chu Hayashi | Electric generator |
| US20110221289A1 (en) * | 2010-03-10 | 2011-09-15 | Chih-Hsien Wu | Radiator for power generator coil |
| CN201887634U (en) * | 2010-10-31 | 2011-06-29 | 武汉洲和机电有限公司 | Coreless wind generator |
| CN202513688U (en) * | 2012-03-29 | 2012-10-31 | 哈尔滨超艺新能源科技有限公司 | Wind driven generator with vertical-axis micro-power magnetic loop and energy gathering ring |
| CN203691098U (en) * | 2013-12-25 | 2014-07-02 | 佛山市顺德区风源能源科技有限公司 | Coil panel structure used for wind generator system in extreme conditions |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390532A (en) * | 2018-04-28 | 2018-08-10 | 深圳市永盛微波技术有限公司 | A kind of planar coil three-phase synchronous motor based on polyimides |
| CN108390532B (en) * | 2018-04-28 | 2023-08-15 | 成都川大技术转移集团有限公司 | Planar coil three-phase synchronous motor based on polyimide |
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| CN103730970B (en) | 2016-03-09 |
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Address after: 528300 Guangdong Province, Foshan city Shunde District Daliang Street office Xinjiao community neighborhood committee expand Road No. 32 Applicant after: Foshan Microsea Energy Technology Co., Ltd. Address before: 528300, No. 13 South Whitehead Road, Daliang gate, Shunde District, Guangdong, Foshan Applicant before: WINDPOWER ENERGY CO., LTD. SHUNDE |
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Granted publication date: 20160309 Termination date: 20201225 |