CN101662182A - Direct-drive composite-excitation type hydroelectric generator - Google Patents
Direct-drive composite-excitation type hydroelectric generator Download PDFInfo
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- CN101662182A CN101662182A CN200810042148A CN200810042148A CN101662182A CN 101662182 A CN101662182 A CN 101662182A CN 200810042148 A CN200810042148 A CN 200810042148A CN 200810042148 A CN200810042148 A CN 200810042148A CN 101662182 A CN101662182 A CN 101662182A
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Abstract
The invention relates to a direct-drive composite-excitation type hydroelectric generator performing common excitation power generation by adopting a permanent magnetic field and an electric field, and having an outer rotor structure. The Direct-drive composite-excitation type hydroelectric generator needs no gearbox accelerator, is characterized by light handy structure, small starting resistance, large running torque, large power generation power, obvious energy conservation, high water-electricity conversion rate, high power density, fewer faults, low running and maintenance cost, low assembly cost, capability of adjusting the voltage changes, and performing power generation synchronization, voltage waveform distortion and step-out running reduction by adding an annular resistance winding, and stability and impact resistance improvement on the running of the power generation synchronization. The direct-drive composite-excitation type hydroelectric generator cools a shell by adoptinga water cooling mode, can play a better radiating effect in the natural environment, breaks through the technical difficulties of complex structure, heavy weight, high assembly cost, low water-electricity conversion rate and the like of the prior hydroelectric generator, makes up the technical defects of the prior hydroelectric generator, and has a wide application prospect.
Description
Technical field:
Direct-drive composite-excitation type hydroelectric generator of the present invention belongs to electrical generator fields.
Technical background:
Existing water energy generator adopts engine using hydrostatic thrust to be installed in the low speed rotating shaft end of speed-changing gear box speed increaser, the electromagnetic type water energy generator is installed in the high speed rotating shaft end of speed-changing gear box speed increaser, the slow-speed of revolution speedup that with the engine using hydrostatic thrust rotating speed is 30～500r/min drives the generating of electromagnetic type water energy generator again to the high rotating speed of 1500r/min, for driving the formula structure.Drive system exists starting reactance big, and the water power conversion efficiency is low, and the flow velocity of water can not generate electricity when low, and speed-changing gear box speed increaser heaviness is expensive, fault is many, operation expense is high and install cost high-technology defective.
Summary of the invention:
The object of the present invention is to provide a kind of direct-drive composite-excitation type hydroelectric generator that adopts the outer-rotor structure of permanent-magnetic field and the common excitation generating of electromagnetic field.Do not need the speed-changing gear box speed increaser, structure is light and handy, starting reactance is little, the operation torque is big, generated output is big, energy-conservation obviously, water power conversion efficiency height and power density height, fault is few, operation expense is low and the installation cost is low.Adjustable voltage variation, energy electricity generation grid-connecting, spy are provided with ring-like formula damping winding and reduce the distortion of voltage waveform and reduce the step-out running, improve electricity generation grid-connecting traveling comfort and impact resistance.
The technical solution used in the present invention:
The present invention compared with prior art, its advantage is:
1, adopt permanent-magnet steel to make concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type, concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type both sides rectangular surfaces axially on have the matrix keyway, improved the tensile strength and the installation effectiveness of permanent-magnet steel greatly.Having broken through direct-drive composite-excitation type hydroelectric generator adopts outer-rotor structure to be subjected to the technical barrier that restriction on the self structure can not installing ring pattern damping winding.
2, have n equally distributed weld groove and stator slot in stator core, stator core structure adopts the concentric type stator core assembly unit of n five equilibrium synthetic, and the concentric type stator core adopts concentric type stator punching closed assembly synthetic.Break through existing permanent magnetism water energy generator and existed magnetic pull to bring running resistance to cause the big technical barrier of power loss greatly, improved the water power conversion efficiency and the generated output of direct-drive composite-excitation type hydroelectric generator greatly.
3, stator winding structure adopts n independent winding that is wound in the stator core to connect and compose.Adopt high efficiency automation rule new process to substitute inefficient hand insertion method, realized the scale low-cost production, solved the technical barrier that existing water energy generator stator core structure is difficult to realize automation rule new technology.
4, adopt high-strength material to make hollow hub and can significantly reduce material usage and body weight, have fixedly concentric type blade of n equally distributed hub keyway in the outer ring of hub on axially, the synthetic rotor core structure of assembly unit in the inner ring of hub, have the central shaft hole of band keyway on the center of wheel seat, rotating shaft is installed in the central shaft hole of band keyway.Utilize water-cooling pattern to improve the radiating effect of rotor assembly greatly, remedied existing water energy generator and adopted inner rotor core to bring the technological deficiency of radiating effect difference.
5, in rotor core, have n equally distributed matrix location notch, matrix location notch medial surface axially on be provided with the key bar of fixing concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type, n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type are fixed in the matrix location notch, be arranged in n in order to the N utmost point and S utmost point field structure, constitute the minimum outer-rotor structure of leakage field, broken through existing water energy generator and adopted inner rotor core to have the little technical barrier of driving torque.
6, in rotor core, be provided with n equally distributed rotor tooth and constitute electromagnetic pole, the cut-in voltage of scalable electricity generation grid-connecting, on rotor tooth, have damping hole, the damping sliver is packed in the damping hole, the damping lead ring is installed on the two ends of damping sliver, constitute ring-like formula damping winding, can reduce the distortion of voltage waveform and reduce the step-out running, improve electricity generation grid-connecting traveling comfort and impact resistance.
7, have n equally distributed wire casing in rotor core, be embedded with the generate an electromagnetic field variation of regulation voltage of excitation winding in wire casing, having broken through permanent magnet generator can not change and permanent magnet generator electricity generation grid-connecting difficulty technical barrier greatly by regulation voltage.
8, rotor core structure adopts the concentric type rotor core assembly unit of n five equilibrium synthetic, and the concentric type rotor core adopts concentric type rotor punching closed assembly synthetic, has improved material utilization rate and installation effectiveness greatly.
Description of drawings:
Fig. 1, Fig. 2 are complete machine structure schematic diagram of the present invention;
Fig. 3, Fig. 4 are stator core structure schematic diagram of the present invention;
Fig. 5, Fig. 6 are concentric type stator laminating structure schematic diagram of the present invention;
Fig. 7, Fig. 8 are rotor core structural representation of the present invention;
Fig. 9, Figure 10 are concentric type rotor punching structural formula intention of the present invention;
Figure 11, Figure 12, Figure 13, Figure 14 are concentric type tile shape magnetic pole of the present invention or the protruding trapezoidal field structure schematic diagram of concentric type;
Figure 15, Figure 16 are damping lead ring structural representation of the present invention;
Figure 17, Figure 18 are damping sliver structural representation of the present invention.
Embodiment:
Consult shown in Fig. 1, Fig. 2 structural representation: 1, be field frame assembly; 2, be rotor assembly; 3, be blade; 4, be hub; 5, be wheel seat; 6, be wheel shaft; 7, be exciter; 8, take advantage of for axle; 60, be axis hole; 61, be installing hole; 70, be voltage regulator.
Consult shown in Fig. 3, Fig. 4 structural representation: 5, be wheel seat; 6, be rotating shaft; 10, be stator core; 14, be stator winding; 50, be the wheel seat keyway; 60, be axis hole; 70, be voltage regulator.
Consult shown in Fig. 5, Fig. 6 structural representation: 11, be the concentric type stator punching; 12, be weld groove; 13, be stator slot.
Consult shown in Fig. 7, Fig. 8 structural representation: 4, be hub; 9, be the protruding trapezoidal magnetic pole of concentric type tile shape magnetic pole or concentric type; 20, be rotor core; 25, be the rotor-exciting winding; 28, be the damping sliver; 29, be the damping lead ring; 40, be the hub keyway.
Consult shown in Fig. 9, Figure 10 structural representation: 21, be the concentric type rotor punching; 22, be the matrix location notch; 23, be the key bar; 24, be wire casing; 26, be rotor tooth; 27, be damping hole.
Consult shown in Figure 11, Figure 12, Figure 13, Figure 14 structural representation: 9, be concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type; 90, be the matrix keyway.
Consult shown in Figure 15, Figure 16 structural representation: 29, be the damping lead ring.
Consult shown in Figure 17, Figure 18 structural representation: 28, be the damping sliver.
The present invention is installed in n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [9] in the matrix location notch [22] in the rotor core [20], adopt axial bond bar [23] on matrix location notch [22] medial surface to be installed in the matrix keyway [90] on concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [9] the both sides rectangular surfaces, concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [9] are fixed in the matrix location notch [22], constitute n the N utmost point and S utmost point field structure.Damping sliver [28] is packed in the damping hole [27] on the rotor tooth [26], damping lead ring [29] is installed on the two ends of damping sliver [28], constitute ring-like formula damping winding.On the outer ring of hub [4], have n equally distributed axial hub keyway [40], be used to install and fix blade [3], rotor assembly [2] is installed in the inner ring of hub [4], the axle that axle takes advantage of the outer ring of [8] to be installed in hub [4] center band waterproof construction is taken advantage of indoor, axle takes advantage of the inner ring of [8] to be installed on the two ends of wheel shaft [6], the cylindrical of field frame assembly [1] is installed in the interior circle of rotor assembly [2], the interior circle of field frame assembly [1] is installed in the wheel seat keyway [50] of wheel seat [5] outer ring, the central shaft hole of wheel seat [5] is installed on the wheel shaft [6], the stator of exciter [7] is installed on the wheel seat [5], the rotor of exciter [7] is installed on the hub [4], voltage regulator [70] be installed in that exciter [7] is gone up or wheel seat [5] on, output lead is drawn from the axis hole [60] of wheel shaft [6], can finish the complete machine assembling.
Claims (10)
1, a kind of direct-drive composite-excitation type hydroelectric generator, comprise field frame assembly [1], rotor assembly [2], blade [3], hub [4], wheel seat [5], wheel shaft [6], exciter [7] and voltage regulator [70] etc. is characterized in that being mounted with blade [3] in the hub keyway [40] of hub [4] outer ring, the cylindrical of rotor assembly [2] is fixed in the inner ring of hub [4], the cylindrical of field frame assembly [1] is installed in the interior circle of rotor assembly [2], the interior circle of field frame assembly [1] is fixed in the wheel seat keyway [50] of wheel seat [5] outer ring, the axle that axle takes advantage of the outer ring of [8] to be installed in hub [4] center band waterproof construction is taken advantage of indoor, and axle takes advantage of the inner ring of [8] to be fixed on the two ends of wheel shaft [4].
2, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that the protruding trapezoidal magnetic pole of described concentric type tile shape magnetic pole or concentric type [9] adopts the permanent-magnet steel manufacturing, concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type both sides rectangular surfaces axially on have matrix keyway [90].
3, direct-drive mixed-excitation type according to claim 1 is asked the energy generator, it is characterized in that having in the described stator core [10] n equally distributed weld groove [12] and stator slot [13], stator core [10] structure adopts the concentric type stator core assembly unit of n five equilibrium synthetic, and the concentric type stator core adopts concentric type stator punching [11] closed assembly synthetic.
4, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described rotor core [20] structure adopts the concentric type rotor core assembly unit of n five equilibrium synthetic, the concentric type rotor core adopts concentric type rotor punching [21] closed assembly synthetic, rotor core [20] is provided with n equally distributed rotor tooth [26], has n equally distributed matrix location notch [22] and wire casing [24] in the rotor core [20].
5, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described stator winding [14] structure adopts n independent winding that is wound in the stator core [10] to connect and compose, rotor-exciting winding [25] structure adopts n independent excitation winding that is wound in the rotor core [20] to connect and compose.
6, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described n concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [9] are fixed in the matrix location notch [22], be arranged in n in order to the N utmost point and S utmost point field structure, matrix location notch [22] medial surface axially on be provided with the key bar [23] of fixing concentric type tile shape magnetic pole or the protruding trapezoidal magnetic pole of concentric type [9].
7, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that having on the described rotor tooth [26] damping hole [27], damping sliver [28] is packed in the damping hole [27], damping lead ring [29] is installed on the two ends of damping sliver is constituted ring-like formula damping winding.
8, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described wheel seat [5] outer ring axially on have n equally distributed wheel seat keyway [50], key bar in the concentric type stator core is fixed on synthetic stator core [10] structure of the interior assembly unit of wheel seat keyway [50], wheel shaft [6] is installed in the central shaft hole of wheel seat [5], the stator of exciter [7] is installed on the wheel seat [5], output lead is drawn from the axis hole [60] of wheel shaft [6], and the two ends of wheel shaft [6] have installing hole [61].
9, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described hub [4] adopts high-intensity made, hub [4] outer ring axially on have n equally distributed hub keyway [40] and install and fix blade [3], be mounted with rotor core [20] in the inner ring of hub [4], the rotor of exciter [7] is installed on the hub [4].
10, direct-drive composite-excitation type hydroelectric generator according to claim 1, it is characterized in that described voltage regulator [70] can constant generating frequency, regulate the size variation of exciting current and change the polarity of exciting current negative or positive electrode, voltage regulator [70] be installed in that exciter [7] is gone up or wheel seat [5] on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810042148A CN101662182A (en) | 2008-08-28 | 2008-08-28 | Direct-drive composite-excitation type hydroelectric generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810042148A CN101662182A (en) | 2008-08-28 | 2008-08-28 | Direct-drive composite-excitation type hydroelectric generator |
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| CN101662182A true CN101662182A (en) | 2010-03-03 |
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| CN200810042148A Pending CN101662182A (en) | 2008-08-28 | 2008-08-28 | Direct-drive composite-excitation type hydroelectric generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860113A (en) * | 2010-05-07 | 2010-10-13 | 福州地益内燃机制造有限公司 | Electric generator |
| CN104675611A (en) * | 2014-09-12 | 2015-06-03 | 北京精密机电控制设备研究所 | Mud generator with eddy-current brake function and outer rotors |
-
2008
- 2008-08-28 CN CN200810042148A patent/CN101662182A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860113A (en) * | 2010-05-07 | 2010-10-13 | 福州地益内燃机制造有限公司 | Electric generator |
| CN104675611A (en) * | 2014-09-12 | 2015-06-03 | 北京精密机电控制设备研究所 | Mud generator with eddy-current brake function and outer rotors |
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Open date: 20100303 |