CN100459376C - Novel high power DC generator - Google Patents
Novel high power DC generator Download PDFInfo
- Publication number
- CN100459376C CN100459376C CNB2007100880567A CN200710088056A CN100459376C CN 100459376 C CN100459376 C CN 100459376C CN B2007100880567 A CNB2007100880567 A CN B2007100880567A CN 200710088056 A CN200710088056 A CN 200710088056A CN 100459376 C CN100459376 C CN 100459376C
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- rotor
- stator
- generator
- external rotor
- internal rotor
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- 239000004020 conductor Substances 0.000 claims abstract description 18
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000002966 varnish Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 230000005674 electromagnetic induction Effects 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract 2
- 238000004804 winding Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Synchronous Machinery (AREA)
Abstract
The invention relates to energy transferring device--generator. Especially a generator which can output big-power direct current, the generator is based on law of electromagnetic induction; inductor in magnetic field is a straight conductor, the straight conductor is vertical with magnetic line in ring magnetic field, and moves towards the same direction to cut magnetic line, induced current generated is the same direction according to the right rule. The maximal difference between the invention and three-phase alternating generator: induced current generated do not flow to magnetic field, additional ampere force will not be generated, so energy transformation efficiency of generator can be increased. The invention can generate direct current, one, it possesses advantages that alternating current do not possess. Two, energy transformation efficiency can be increased, energy can be saved. Three, heavy-duty rectify can be proceeded.
Description
Technical field:
The present invention relates to a kind of energy conversion device, generator, the generator that especially can carry out big electric current, high voltage, direct current output.
Background technology:
At present: known threephase alternator, its institute's size and Orientation that provides is all by periodically variable, and three symmetrical alternating potentials can provide three-phase alternating-current supply by lead-in wire.
Owing to the expansion of electric power system, transmitted power increases in recent years, and distance increases, ac transmission runs into some technical difficulties, the lead of alternating current not only has resistance, also has inductance and electric capacity, thinner lead, the effect of resistance surpasses inductance, surpasses under 95 square millimeters the situation, concerning 50 hz AC electricity at the transmission pressure cross section, induction reactance surpasses resistance, but galvanic current is then had only resistance.
If with underground cable and submerged cable transmission of electricity, water and the earth all are conductors, be insulated metal core wire and the earth (or water) formation capacitor that skin separates, 200 kilovolts of underground cables, the long electric capacity of every km is about 0.2 microfarad, this electric capacity is to receiving end, play shunt capacitance, and increase along with the growth of cable, cable length surpasses 50 kms, ac transmission has not had practical significance, but electric capacity is inoperative to galvanic current.
Give all alternating current generators of mains supply, all must synchronous operation, otherwise circuit can not work, and there is not stationary problem in DC generator.
Modern direct current transportation is still interchange in the generating link.In the origin or beginning of transmission line, special-purpose converter is arranged, " interchange " is transformed to " direct current ", at the transmission line end, special-purpose converter is arranged also, " direct current " is transformed to " interchange ".At present, converter also exists problems such as making difficulty, price height.
Threephase alternator, form by three phase windings, space apart 120, every phase winding has two coil sides, the straight line portion that is in the magnetic field is called effective edge, the conversion of generator electromagnetic energy is undertaken by this straight line portion, and the part of coil outside groove is called the end, and its effect only is that two effective edges of coil are coupled together.Drag coil when in the N-S pole field, counterclockwise rotating by prime mover, the induced current that the closed circuit cutting magnetic line produces, to enter another effective edge by the end from an effective edge, enter next circle lead by another end again, so circulate, until passing through last circle lead, pass through collector ring, flow out generator, when induced current flows in coil, according to left hand rule, (current will be subjected to the effect of electromagnetic force in magnetic field) magnetic field has produced electromagnetic force to coil, and this power just in time the direction of rotation with generator is opposite, clockwise rotate, the macro manifestations of this opposite force has increased prime mover load exactly, has reduced the efficient of power conversion.
In the three-phase alternating current electric generator, because one group of coil is a lead coiled, so when the conductor cutting magnetic line, the induced current of generation, be in the passage of a lead, progressively to flow out, this inducing peaked the time, be two water-filled reservoirs, and it is when discharging water like two effective edges, because passage is narrow, water can only progressively flow out rather than reservoir dam be taken away, the water that abrupt release is all, and the ability of theory analysis alternating current generator instantaneous relase electric current is low.
Summary of the invention:
In order to overcome threephase alternator, the poor efficiency during at the technical difficulty that exists aspect the ac transmission with in power conversion also has the low of instantaneous relase current capacity, the present invention, a kind of high power DC generator is provided, both can the direct generation of electricity, also can make rectifying installation.Simultaneously can also improve the efficient of Conversion of energy and the ability of instantaneous relase electric current to a great extent.
The present invention solves its technical problem, the technical scheme that is adopted is: sensor conductor with the orthogonal toroidal magnetic field of the magnetic line of force in do the motion of cutting magnetic line, the toroidal magnetic field is provided by the magnetic pole that circle and internal rotor cylindrical in the external rotor embed, stator is circular hollow, being coated with insulating varnish by the silicon steel sheet punching is overrided to form, circle is put into internal rotor in the stator, the stator cylindrical has external rotor to form closed magnetic circuit, when the motionless and internal rotor external rotor of stator drags when rotating simultaneously down in external force, relative cutting movement takes place with the magnetic line of force in the toroidal magnetic field in the straight conductor in the stator, produce induced electromotive force, the lead-in wire at straight conductor two ends connection load is just had induced current to be flow through, stator is fixed by central siphon and end cap that support connects, inner rotor shaft is by the bearing in the end cap, be in the interior circle of stator, external rotor is by the bearing on end cap and the central siphon, be in the stator cylindrical, if DC excitation can be equipped with belt pulley on the central siphon of external rotor and provide power by prime mover by slip ring on the inner and outer rotors hollow shaft and carbon brush power supply.
Outer rotor iron core is washed into circular hollow (the 0.25-1.5 mm clearance being arranged with stator core) shape as shown in Figure 4 as the magnetic circuit of generator with the silicon steel sheet of 0.25-0.5 millimeters thick, laminate and clamp-on together in the casing, its internal circular surfaces dashes the groove right with the inner rotor face homogeneous phase, embed winding in the groove, grooved is the half-open shape of the mouth as one speaks, winding is to turn to machine-made bundle of lines with high strength enamelled wire, in the embedded groove, soak into insulating varnish, the line footpath of winding, the line footpath of the number of turn and internal rotor winding, number of turn unanimity, the position of four groups of windings of inner and outer rotors is corresponding, four groups of winding head joints, tail connects tail, with the slip ring on the parallel connection method connection external rotor.
Stator core is the core magnetic circuit of generator, with outer rotor iron core the 0.25-1.5 mm clearance is arranged, silicon steel sheet with the 0.25-0.5 millimeters thick is washed into circular hollow, copper bar is inserted in the punching press hole of prolate shape that is evenly distributed in the stator, and the copper bar exposed parts is made screw rod, both fixing end caps, be again sensor conductor and core insulation, two ends connect with lead, respectively from the central siphon at two ends, the output generator forms the closed-loop path, there is end cap at the stator two ends, and end cap and central siphon are the one foundry goods, and central siphon and support are fixed, there is inner rotor bearing at the end cap center, the central siphon outside is with outer rotor bearing, and external rotor is by casing, and end cap is connected with bearing.
The internal rotor iron core is the part of generator magnetic circuit, with stator core the 0.25-1.5 mm clearance is arranged, and iron core is washed into the silicon steel sheet of 0.25-0.5 millimeters thick, the cylindrical upper punch has the groove that equates with external rotor groove number, towards circular hole, penetrate long bolt at close position, be squeezed on the inner rotor shaft after fixing, embed the winding consistent with the external rotor winding parameter, winding position is corresponding mutually, winding head joint, and tail connects tail, use parallel connection method, connect the slip ring that press-fits on the internal rotor hollow shaft.
Because circle and internal rotor cylindrical are fixed four groups of magnetic field intensity symmetries respectively in the external rotor, the synonyms pole that polarity is different produces very strong attraction by stator, so when prime mover dragged the external rotor running, internal rotor also can run-in synchronism.Also just form the belt magnetic field of a rotation, the induction straight conductor in the cutting stator, the induced current of generation direction unanimity.
The law of electromagnetic induction that the present invention is based on: a part of conductor of closed circuit is in magnetic field during cutting magnetic line, can produce induced current, the size of induced potential is decided by the magnetic density in magnetic field in the lead, the movement velocity of lead in magnetic field, and the effective length that is positioned at the magnetic field inside conductor, the size of induced current is by the decision of the resistance of induced potential in the lead and conductor.
The invention has the beneficial effects as follows: the direct current of the high voltage of can inducting, big electric current, can also improve the efficient of power conversion.
Description of drawings:
Fig. 1 is the fundamental diagram of generator
Fig. 2 is the cross-sectional view of generator
Fig. 3 is the sectional arrangement drawing of generator
Fig. 4 is direct-current excited-field generator critical piece figure
Fig. 5 is with the excitatory mag-dynamo critical piece figure of Nd-Fe-Bo permanent magnet material
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Among the figure: the 1 internal rotor N utmost point, 2 stators, the 3 external rotor S utmost points, 4 internal rotor magnetic field slip rings, carbon brush holder, 5 external rotor magnetic field slip rings, carbon brush holder, 6 inner rotor bearings, 7 outer rotor bearings, 8 connect the end cap of stator and central siphon, 9 external rotor end caps, segment conductor in 10 stators, 11 conductor lines, 12 belt pulleys, 13 inner rotor shafts, 14 connect the central siphon of end caps, the 15 fixing supports of central siphon.
Embodiment:
Fig. 2 internal rotor (1), stator (2), external rotor (3), the conductor (5) in the inner rotor shaft (4), stator, internal rotor and stator air-gap flux (6), stator and external rotor air-gap flux (7).
Stator among Fig. 3 (2) connects the end cap (8) of stator and central siphon, the central siphon (14) that connects end cap, fixedly the support of central siphon (15) maintains static, rotate by prime mover drags pulley (12) external rotor (3) internal rotor (1), magnetic field is connected DC power supply by internal rotor magnetic field slip ring carbon brush frame (4) with external rotor magnetic field slip ring carbon brush frame (5) to be provided, magnetic pole rotates the segment conductor (10) in the stator (2), and cutting magnetic line produces induced current and derives generator by line (11).
Claims (5)
1, a kind of DC generator, its stator (2) is circular hollow, internal rotor (1) excircle fixed magnetic pole, external rotor (3) inner periphery fixed magnetic pole, stator (2) is coated with insulating varnish by the silicon steel sheet punching and is overrided to form, the hole of even distribution prolate shape in the stator (2), insert copper bar, the copper bar exposed parts is made screw rod, not only fixing end cap (8) but also be sensor conductor (10) and stator (2) insulation, there is end cap (8) at stator (2) two ends, end cap (8) is the one foundry goods with central siphon (14), central siphon (14) is fixing with support (15), there is internal rotor (1) at end cap (8) center, inner rotor shaft (13), inner rotor bearing (6), inner rotor bearing (6) is supported in the center of central siphon (14), internal rotor (1) can freely rotate, central siphon (14) cylindrical is with outer rotor bearing (7), support external rotor (3), external rotor (3) can freely rotate, gapped respectively between internal rotor (1) and the stator (2) and between external rotor (3) and the stator (2), the interior circle of the cylindrical of internal rotor (1) and external rotor (3) is the different magnetic pole of fixed polarity respectively, thus between internal rotor (1) and external rotor (3) the annular closed magnetic field of formation.
2, DC generator according to claim 1, wherein stator (2) is overrided to form by the ring-shaped silicon steel sheet that has a plurality of punchings and be coated with insulating varnish, is inserted with a sensor conductor (10) in each punching.
3, DC generator according to claim 1, wherein the magnetic pole of internal rotor (1) and external rotor (3) is a permanent magnet.
4, DC generator according to claim 1, wherein the magnetic pole of internal rotor (2) and external rotor (3) is an electromagnet.
5, DC generator according to claim 1, wherein said gap are 0.25-1.5mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100880567A CN100459376C (en) | 2007-03-13 | 2007-03-13 | Novel high power DC generator |
| PCT/CN2008/000498 WO2008110075A1 (en) | 2007-03-13 | 2008-03-13 | Dc generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100880567A CN100459376C (en) | 2007-03-13 | 2007-03-13 | Novel high power DC generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101087092A CN101087092A (en) | 2007-12-12 |
| CN100459376C true CN100459376C (en) | 2009-02-04 |
Family
ID=38937908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100880567A Active CN100459376C (en) | 2007-03-13 | 2007-03-13 | Novel high power DC generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100459376C (en) |
| WO (1) | WO2008110075A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100459376C (en) * | 2007-03-13 | 2009-02-04 | 王晨光 | Novel high power DC generator |
| CN110761933B (en) * | 2019-05-17 | 2022-01-25 | 永康市神研自动化科技有限公司 | Hydraulic generator |
| CN111532932A (en) * | 2020-03-30 | 2020-08-14 | 日立电梯（中国）有限公司 | Lifting equipment, speed limiting device and trigger mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074187A (en) * | 1991-09-06 | 1993-07-14 | 联邦德国航空航天有限公司 | The method and apparatus that three axial stabilized rotation spacecrafts are gestured and regulate |
| CN1229175A (en) * | 1998-03-13 | 1999-09-22 | 株式会社日立制作所 | Magnetic bearing and rotary machine carried it and operating method of rotary machinery |
| CN1554991A (en) * | 2003-12-25 | 2004-12-15 | 中国科学院长春光学精密机械与物理研 | AC motor driven analogue three shaft rocking device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793136A (en) * | 1996-06-05 | 1998-08-11 | Redzic; Sabid | Differential motor/generator apparatus |
| JP3391750B2 (en) * | 1999-10-28 | 2003-03-31 | 株式会社デンソー | Vehicle accessory drive |
| CN1120558C (en) * | 2001-12-28 | 2003-09-03 | 崔勤川 | Bi-rotation electric generator |
| CN1738163A (en) * | 2005-07-07 | 2006-02-22 | 中国汽车技术研究中心 | Dual rotors mixed power composite magnetoelectric machine |
| CN200987110Y (en) * | 2006-12-14 | 2007-12-05 | 天津市新源电气科技有限公司 | Overlapping dual rotors speed variating constant frequency generator |
| CN100459376C (en) * | 2007-03-13 | 2009-02-04 | 王晨光 | Novel high power DC generator |
| CN100533926C (en) * | 2007-03-15 | 2009-08-26 | 安鲁荣 | Electric power generator |
-
2007
- 2007-03-13 CN CNB2007100880567A patent/CN100459376C/en active Active
-
2008
- 2008-03-13 WO PCT/CN2008/000498 patent/WO2008110075A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1074187A (en) * | 1991-09-06 | 1993-07-14 | 联邦德国航空航天有限公司 | The method and apparatus that three axial stabilized rotation spacecrafts are gestured and regulate |
| CN1229175A (en) * | 1998-03-13 | 1999-09-22 | 株式会社日立制作所 | Magnetic bearing and rotary machine carried it and operating method of rotary machinery |
| CN1554991A (en) * | 2003-12-25 | 2004-12-15 | 中国科学院长春光学精密机械与物理研 | AC motor driven analogue three shaft rocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101087092A (en) | 2007-12-12 |
| WO2008110075A1 (en) | 2008-09-18 |
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| C14 | Grant of patent or utility model | ||
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Owner name: SHUOZHOU POWER SUPPLY COMPANY, STATE GRID SHANXI E Free format text: FORMER OWNER: WANG CHENGUANG Effective date: 20141105 Owner name: WANG CHENGUANG Effective date: 20141105 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 034000 XINZHOU, SHAANXI PROVINCE TO: 036002 SHUOZHOU, SHAANXI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20141105 Address after: 036002 Shanxi province Shuozhou Gubei Street No. 23 Patentee after: SHUOZHOU POWER SUPPLY COMPANY, STATE GRID SHANXI ELECTRIC POWER CO., LTD. Patentee after: Wang Chenguang Address before: 034000 Shanxi city of Xinzhou Province Cloud Road Xinfu District No. 66 seed company dormitory Patentee before: Wang Chenguang |