WO2008110075A1 - Générateur de courant continu - Google Patents

Générateur de courant continu Download PDF

Info

Publication number
WO2008110075A1
WO2008110075A1 PCT/CN2008/000498 CN2008000498W WO2008110075A1 WO 2008110075 A1 WO2008110075 A1 WO 2008110075A1 CN 2008000498 W CN2008000498 W CN 2008000498W WO 2008110075 A1 WO2008110075 A1 WO 2008110075A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
stator
outer rotor
inner rotor
shaft tube
Prior art date
Application number
PCT/CN2008/000498
Other languages
English (en)
Chinese (zh)
Inventor
Chenguang Wang
Fei Wang
Original Assignee
Chenguang Wang
Fei Wang
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chenguang Wang, Fei Wang filed Critical Chenguang Wang
Publication of WO2008110075A1 publication Critical patent/WO2008110075A1/fr

Links

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

Definitions

  • the invention relates to an energy conversion device, in particular to a direct current generator capable of realizing large current, high voltage and direct current output. Background technique
  • a well-known three-phase alternator provides a three-phase symmetrical alternating potential whose magnitude and direction are cyclically changed, and a three-phase AC power source can be supplied through a lead.
  • the AC wire has not only resistance, but also inductance and capacitance.
  • the conductor cross section exceeds 95 mm 2
  • the inductive reactance exceeds the resistance for 50 Hz AC, but only the resistance for stable DC.
  • Modern DC transmission is still in communication.
  • commutation device that converts "AC” to "DC”.
  • DC dedicated commutation device
  • converter equipment still has problems such as difficulty in manufacturing and high price.
  • the three-phase alternator consists of three-phase windings, the space is 120 degrees apart from each other, and each phase winding has two coil sides.
  • the straight part in the magnetic field is called the effective side, and the conversion of the electromagnetic energy of the generator is through the straight line part.
  • the portion of the coil outside the slot is called the end, and its function is simply to connect the two effective sides of the coil.
  • the present invention provides a high-power DC generator that can directly generate electricity. It can also be used as a rectifier device. At the same time, the efficiency of energy conversion and the ability to instantaneously discharge current can be greatly improved.
  • the present invention provides a DC generator comprising: a cylindrical inner rotor; an inner rotor shaft extending along a central axis of the inner rotor and fixedly connected to both end faces of the inner rotor, And rotatably supported in the inner circumferential wall of the stator shaft tube by the inner rotor bearing; the inner rotor pulley is disposed on a portion of the inner rotor shaft outside the stator end cover for transmitting the rotation from the external driving mechanism a rotor; a cylindrical stator provided with at least one conductor extending along a longitudinal direction thereof and connected to the outside; a cylindrical outer rotor; an outer rotor housing, the outer rotor being disposed on an inner circumference of the outer rotor housing;
  • the rotor end cover has an inner end connected to both ends of the outer rotor housing, the outer side of which is rotatably supported on the outer circumference of the stator shaft tube by an outer rotor bearing; and an outer rotor shaft tube and an outer side
  • stator is a hollow cylindrical member
  • the inner rotor is located inside the stator
  • stator is located inside the outer rotor
  • the inner rotor and the outer rotor are coaxially arranged with the stator, and there is a gap between the inner rotor and the stator and between the outer rotor and the stator, respectively.
  • the outer and inner rotors are magnetically opposite magnetic poles such that an annular closed magnetic field is formed between the inner and outer rotors.
  • the stator Since the outer circle of the outer rotor and the outer circle of the inner rotor are respectively fixed with four sets of magnetic field symmetry with different magnetic field strengths and different polarities, the stator generates a strong attraction force, so when the external drive mechanism drags the outer rotor to operate, the inner rotor also Will run synchronously.
  • a rotating circular magnetic field is formed to cut the inductive straight conductor in the stator to produce a uniform induced current.
  • the straight conductor is operated in the magnetic field, the cross-sectional area is large and the electric resistance is small, which increases the intensity of the induced current.
  • the direction of the conductor cutting magnetic line is constant, and the current flows only in one direction, avoiding the induced current flowing back to the magnetic field, generating additional electromagnetic force and improving the efficiency of energy conversion.
  • the invention is based on the law of electromagnetic induction: a part of the conductor of the closed circuit is When the magnetic field line is cut in the magnetic field, the induced current is generated.
  • the magnitude of the induced potential in the wire is determined by the magnetic flux density of the magnetic field, the moving speed of the wire in the magnetic field, and the effective length of the wire located in the magnetic field.
  • the magnitude of the induced current is determined by The induced potential in the wire and the resistance of the conductor are determined.
  • Figure 1 is a working principle diagram of the generator.
  • FIG. 2 is a cross-sectional view of a direct current generator in accordance with a first embodiment of the present invention.
  • Figure 3 is a longitudinal sectional view of a direct current generator according to a first embodiment of the present invention.
  • Figure 4 is a view of the main components of the direct current generator shown in Figure 3, wherein Figure 4(a) shows an exploded view of the assembly of the outer rotor 3, and Figure 4(b) shows an exploded view of the assembly of the stator 2, 4 (c) is an assembly view of the components of the inner rotor 1, and FIG. 4(d) is a perspective view of the generator bracket 17;
  • Figure 5 is a diagram of the main components of a permanent magnet DC generator excited by a NdFeB permanent magnet material.
  • Figure 6 is a cross-sectional view of a generator in accordance with a second embodiment of the present invention.
  • Figure 7 is a longitudinal sectional view of a generator in accordance with a second embodiment of the present invention.
  • Figure 8 is a cross-sectional view of a generator in accordance with a third embodiment of the present invention.
  • Figure 9 is a longitudinal sectional view of a generator in accordance with a third embodiment of the present invention.
  • 1 inner rotor; 2: stator; 3: outer rotor; 3, outer rotor housing; 4: inner rotor magnetic field slip ring, carbon brush holder; 5: outer rotor magnetic field slip ring, carbon brush holder; : Inner rotor bearing; 7: Outer rotor bearing; 8: Stator end cap; 9: Outer rotor end cap; 10: Conductor; 11: Conductor; 12: Outer rotor pulley; 13: Inner rotor shaft; Sub-shaft tube; 15: outer rotor shaft tube; 16: inner rotor pulley; 17: generator support.
  • Figure 1 is a schematic diagram showing the basic operation of a generator, which is based on the principle of electromagnetic induction.
  • the induction conductor 10 is made to move the magnetic lines of force perpendicularly to the magnetic lines of force in the toroidal magnetic field, the annular magnetic field being on the inner circumference of the outer rotor 3 and the outer circumference of the inner rotor 1.
  • the stator 2 is a hollow cylindrical member, and the stator 2 is laminated by a plurality of layers of annular silicon steel sheets with a plurality of punched holes and an insulating varnish, and is set in the inner circumference of the stator 2.
  • the outer rotor 3 is fitted outside the outer circumference of the stator 2, so that the inner rotor 2 and the outer rotor 3 respectively having magnetic poles having different magnetic poles form an annular closed magnetic circuit, and when the stator 2 is not moved, the inner rotor 1 and When the outer rotor 3 rotates under the external force, the conductor 10 in the stator 2 and the magnetic field lines in the toroidal magnetic field undergo a relative cutting motion, thereby generating an induced electromotive force, and connecting the wires at both ends of the conductor 10 to the external load may induce Current flows through.
  • the stator 2 is fixedly coupled at its both ends to a tapered stator end cap 8, which is fixedly supported on a stator shaft tube 14, which is fixedly supported by a generator bracket 17.
  • the inner rotor shaft 13 extends through the inside of the stator shaft tube 14 and is rotatably supported by the inner rotor wall 6 on the inner circumferential wall of the stator shaft tube 14.
  • the inner rotor pulley 16 is disposed on a portion of the inner rotor shaft 13 that extends outside the tapered outer rotor end cover 9 for transmitting rotation from an external drive mechanism (not shown) to the inner rotor shaft 13.
  • the outer rotor 3 is mounted on the inner circumferential wall of the outer rotor casing 3.
  • the outer rotor housing 3 is fixedly connected at its both ends to the outer rotor end cover 9, and the outer rotor T N2008/000498 end cap 9 is rotatably supported on the outer circumference of the shaft tube 14 by an outer rotor bearing 7, wherein one outer rotor end cap 9 is provided with an outer rotor shaft tube 15, and the outer rotor shaft tube 15 is coaxially fitted
  • the inner rotor shaft tube 14 is external.
  • An outer rotor pulley 12 is integrally mounted on the outer rotor shaft tube 15, and the outer rotor pulley 12 is driven by a belt by an external drive mechanism (not shown). And if it is DC excitation, it can be powered by the slip ring and carbon brushes 4, 5 powered by the inner and outer rotor shafts.
  • the iron core of the outer rotor 3 is used as a part of the magnetic circuit of the generator, and a plurality of silicon steel sheets punched into the ring member are coated with insulating varnish and laminated together into the outer rotor casing 3, for example, as shown in FIG.
  • the shape, each silicon steel sheet has a thickness of 0.25 - 0.5 mm, and the iron core of the outer rotor 3 and the core of the stator 2 are spaced apart by a gap 0.25 - 1.5 mm, as shown in Fig. 2.
  • the inner circumferential surface of the iron core of the outer rotor 3 is evenly grooved, and the winding is embedded in the groove.
  • the groove type is a semi-open type, and the winding is wound with a high-strength enamelled wire to form a fixed type of wire handle, and is embedded. Soak the insulating varnish in the groove.
  • Four sets of winding head joints, tail tails, and the outer rotor magnetic field slip ring and carbon brush 5 on the outer rotor 3 are connected by a joint method.
  • the core of the inner rotor 1 is a part of the magnetic circuit of the generator, and has a gap of 0.25-1.5 ⁇ with the core of the stator 2, as shown in Fig. 2.
  • the iron core is formed by a plurality of 0.25-0.5 mm thick annular silicon steel sheets coated with an insulating varnish and laminated together, and the outer circumferential surface of the silicon steel sheet is punched with the same number of grooves as the grooves on the outer rotor 3.
  • the inner rotor shaft 13 extends along the axis of the inner rotor 1 and is fixedly coupled to both end faces of the inner rotor 1.
  • Windings corresponding to the outer rotor winding parameters are embedded in the grooves, the winding positions correspond to each other, the winding head joints, the tail ends, and the inner rotor magnetic field slip ring and the carbon brush 4 connected to the inner rotor shaft 13 by the joint method .
  • the wire diameter and the number of turns of the windings on the outer rotor 3 coincide with the wire diameters and turns of the windings on the inner rotor 1, and the positions of the four sets of windings on the inner and outer rotors 1, 3 correspond.
  • the magnetic field is supplied by an internal rotor magnetic field slip ring, a carbon brush 4 and an outer rotor magnetic field slip ring, and a carbon brush 5 connected to an external DC power source.
  • the core of the stator 2 is the core magnetic circuit of the generator, which is punched into a plurality of rings.
  • the 0.25-0.5-meter-thick silicon steel sheet is laminated and coated with an insulating varnish, and the stator 2 is punched with a hole having a slender shape, and the conductor 10 can be inserted into the hole.
  • the material of the conductor 10 is, for example, copper or other metal.
  • the exposed portion of the conductor 10 is threaded, can be fixed to the stator end cover 8, is also an induction conductor, and is insulated from the core of the stator 2, the two ends of the conductor 10 are connected to the wire 11, and the wire 11 is respectively from the stator shaft at both ends
  • the tube 14 is connected to equipment external to the generator to form a closed loop.
  • the inner circumference of the outer rotor 3 and the outer circumference of the inner rotor 1 are respectively fixed with four sets of different names of magnetic poles having different magnetic field strengths and different polarities, a strong attraction force is generated by the stator 2, so when an external driving mechanism is not shown (not shown) When the outer rotor 3 is dragged, the inner rotor 1 also operates synchronously. A rotating circular magnetic field is formed to cut the inductive straight conductor in the stator 2 to produce a uniform induced current in a uniform direction.
  • the outer rotor pulley 12 is driven by an external drive mechanism (not shown) to rotate the outer rotor 3, or the inner rotor pulley 16 may be driven to rotate the inner rotor 1, since the outer rotor 3 and the inner rotor 1 have It is very attractive, so that when one rotor rotates, the other rotor can be rotated synchronously, so that the magnetic pole rotates, the conductor 10 in the stator 1 cuts the magnetic lines of force to generate an induced current, and the generator is led out through the wire 11.
  • outer rotor pulley 12 and the inner rotor pulley 16 may be simultaneously driven by an external driving mechanism (not shown) to rotate the outer rotor 3 and the inner rotor 1 in the same direction or in the opposite direction, whereby the magnetic poles rotate.
  • the second embodiment is different from the first embodiment in that, in Fig. 6-7, the outer circumferential surface of the stator 2 and the inner circumferential surface of the outer rotor 3 are joined together, so that the stator 2 and the outer rotor 3 and the stator shaft The tubes 14 remain stationary together.
  • the inner rotor pulley 16 is driven by an external drive mechanism (not shown) to transmit the generated rotation to the inner rotor shaft 13, thereby causing the inner rotor 1 to rotate.
  • the third embodiment is different from the first embodiment in that, in Fig. 8-9, the inner circumferential surface of the stator 2 and the outer circumferential surface of the inner rotor 1 are connected together, and the external drive mechanism is used when the generator is in operation. (not shown) drives the outer rotor pulley 12 to transmit the generated rotation to the outer rotor shaft tube 15, thereby causing the outer rotor 3 to rotate.
  • a varying magnetic field is generated, thereby causing the inductive conductor 10 to cut the magnetic lines of force of the varying magnetic field, thereby generating an induced current in the inductive conductor 10.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Synchronous Machinery (AREA)

Abstract

La présente invention concerne un générateur de courant continu qui comprend un rotor externe (3) supporté en rotation et un rotor interne (1) supporté en rotation. Le rotor interne (1) est disposé dans un stator (2) qui est de type cylindrique. Le stator (2) est disposé dans le rotor externe (3). Le rotor interne (1), le stator (2) et le rotor externe (3) sont disposés de façon coaxiale. Un certain espace est disposé entre le stator (2) et le rotor interne (1), et entre le stator (2) et le rotor externe (3). Le magnétisme du pôle magnétique situé sur le rotor interne (1) est opposé au magnétisme du pôle magnétique situé sur le rotor externe (3). Dans le stator (2), de multiples conducteurs (10) sont étendus dans la direction longitudinale le long du stator (2) et connectés à l'extérieur.
PCT/CN2008/000498 2007-03-13 2008-03-13 Générateur de courant continu WO2008110075A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2007100880567A CN100459376C (zh) 2007-03-13 2007-03-13 大功率直流发电机
CN200710088056.7 2007-03-13

Publications (1)

Publication Number Publication Date
WO2008110075A1 true WO2008110075A1 (fr) 2008-09-18

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ID=38937908

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/000498 WO2008110075A1 (fr) 2007-03-13 2008-03-13 Générateur de courant continu

Country Status (2)

Country Link
CN (1) CN100459376C (fr)
WO (1) WO2008110075A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100459376C (zh) * 2007-03-13 2009-02-04 王晨光 大功率直流发电机
CN110761933B (zh) * 2019-05-17 2022-01-25 永康市神研自动化科技有限公司 一种水轮发电机
CN111532932A (zh) * 2020-03-30 2020-08-14 日立电梯（中国）有限公司 升降设备、限速装置及触发机构

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793136A (en) * 1996-06-05 1998-08-11 Redzic; Sabid Differential motor/generator apparatus
US6501190B1 (en) * 1999-10-28 2002-12-31 Denso Corporation Accessory device driving apparatus for vehicles
CN1120558C (zh) * 2001-12-28 2003-09-03 崔勤川 双旋发电机
CN1738163A (zh) * 2005-07-07 2006-02-22 中国汽车技术研究中心 双转子混合动力复合永磁电机
CN101022236A (zh) * 2007-03-15 2007-08-22 安鲁荣 发电机
CN200987110Y (zh) * 2006-12-14 2007-12-05 天津市新源电气科技有限公司 套叠式双转子变速恒频发电机
CN101087092A (zh) * 2007-03-13 2007-12-12 王晨光 新型大功率直流发电机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129628A1 (de) * 1991-09-06 1993-03-18 Deutsche Aerospace Verfahren und vorrichtung zur lageregelung eines dreiachsenstabilisierten, drallbehafteten raumfahrzeuges
JPH11257352A (ja) * 1998-03-13 1999-09-21 Hitachi Ltd 磁気軸受及びそれを搭載した回転機械並びに回転機械の運転方法
CN1300652C (zh) * 2003-12-25 2007-02-14 中国科学院长春光学精密机械与物理研究所 交流电机驱动的模拟三轴摇摆装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793136A (en) * 1996-06-05 1998-08-11 Redzic; Sabid Differential motor/generator apparatus
US6501190B1 (en) * 1999-10-28 2002-12-31 Denso Corporation Accessory device driving apparatus for vehicles
CN1120558C (zh) * 2001-12-28 2003-09-03 崔勤川 双旋发电机
CN1738163A (zh) * 2005-07-07 2006-02-22 中国汽车技术研究中心 双转子混合动力复合永磁电机
CN200987110Y (zh) * 2006-12-14 2007-12-05 天津市新源电气科技有限公司 套叠式双转子变速恒频发电机
CN101087092A (zh) * 2007-03-13 2007-12-12 王晨光 新型大功率直流发电机
CN101022236A (zh) * 2007-03-15 2007-08-22 安鲁荣 发电机

Also Published As

Publication number Publication date
CN100459376C (zh) 2009-02-04
CN101087092A (zh) 2007-12-12

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