CN1564430A - High efficiency energy saving D.C. permanent magnet dynamo - Google Patents
High efficiency energy saving D.C. permanent magnet dynamo Download PDFInfo
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- CN1564430A CN1564430A CN 200410010191 CN200410010191A CN1564430A CN 1564430 A CN1564430 A CN 1564430A CN 200410010191 CN200410010191 CN 200410010191 CN 200410010191 A CN200410010191 A CN 200410010191A CN 1564430 A CN1564430 A CN 1564430A
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Abstract
Both of stator or rotor of the magnetoelectric machine is permanent magnet or permanent magnet of piled silicon steel sheets. Exciting winding is enwound on each slot of rotor or stator. One end of each winding is connected to negative pole of power source, and the other end of each winding is connected to commutator, which through electrical brush is connected to positive pole of power source. The magnetoelectric machine is suitable to fan, industry motor, motorcycle or motor-assisted bicycle. Features are new structure, simple winding, and easy of manufacture.
Description
One. technical field: the present invention relates to a kind of direct current machine, particularly relate to a kind of efficient electricity-saving direct current permanent magnet motor of novel structure.
Two. background technology: along with the continuous progress of human civilization, suitability for industrialized production becomes countries in the world and the city increases the main path that national economy is taken in, and the urbanization in vast rural area, industrialization also become a kind of trend of Development of Human Civilization gradually.But the prosperity in the world and progress are to be cost with the limited physical resources of the mankind, energy resource consumption, no matter are the third world countries that flourishing advanced country of industry or industry fall behind, and present serious resource, energy crisis become global problem.The soil, territory of each neighboring countries of world dispute except the complete factor of defend state sovereignty, also is a very big reason to the contention of underground resource, marine resources.In order to reduce energy resource consumption, guarantee making full use of of limited resources, avoid the offspring descendants to sit idle at home eating away a fortune as big as a mountain, countries in the world are all at the exploitation energy-conserving product now, especially utilize aspects such as structure innovation at industry, household appliance technical field and industrial boiler fuel, science and technology competition of the same trade is also reached the decisive stage.For eternal lasting ten thousand industry of descendants, the development of energy-conservation electromechanical equipment is paid attention in countries in the world, the abundant development and use of the existing energy as important research project.The modern science and technology of high speed development has also been carried out continuous exploration for the power-saving technology of novel motor.
As China, along with the develop rapidly of national economy, overall national strength strengthens greatly, and energy crisis but becomes increasingly conspicuous.Though some large hydropower stations, nuclear power station, thermo-power station constantly are constructed and put into operation, in peak of power consumption season, many local power cuts to limit consumption have had a strong impact on the national economic development and people's lives.Outside the interests dispute factor in the eliminating system reform process between industry, the shortage of the energy is only the arch-criminal.Be the energy supply anxiety on the one hand, the equipment that is various highly energy-consumings on the other hand causes the significant wastage of the energy still in a large amount of uses.The conversion, the utilance that singly are plant capacities such as electric machinery, motor are low, and its energy waste that causes is exactly inestimable.Especially motor, be widely used in industrial and agricultural production, service industry, even its energy utilization rate improves a little slightly, the effect that the electric energy that save in the whole nation can be brought into play also is immeasurable, moreover motor in the past, seldom the magnetic potential to motor permanent magnetism develops and utilizes.
Using maximum motor at present is AC asynchronous motor and DC excitation motor mostly, its version is also similar, all contain stator and rotor, armature, brush etc., stator and rotor all twine solenoid, be exactly one of stator or rotor be that permanent magnetic material is made, another is tied with winding coil, complex structure, have relatively high expectations to holding precision techniques, coil is heating easily also, long-time running of motor or phase shortage (alternating current machine) are burnt easily, have a strong impact on motor useful life, and utilization rate of electrical is low.Direct current permanent magnet motor is in operation process, on rotor permanent magnetic pole and the stator electromagnetic pole is all powered to magnet exciting coil in interactional overall process, rotor in operation process permanent magnetism and electromagnetism by the phenomenon that has all the time in the attraction motion process that the same sex is repelled, there is a natural attraction between the sexes, the consumed power of coil windings own, produce heat, must overcome the magnetic mutual expelling force, power consumption is big certainly for such motor.
Application for a patent for invention, publication number CN1449095A has proposed a kind of dc magnetizing magnetic motor, some groups of same polarity rotor magnetic poles are housed on rotor, stator links to each other with support and some groups of same polarity magnetic pole of the stator is housed, it is excitatory magnetic pole that magnetic pole of the stator and rotor magnetic pole have at least a kind of, by brush, the metal slip ring, work under the synchronous minute controller for electric consumption that the distributing switch sheet metal is formed synchronously, rotor magnetic pole cross section center line and magnetic pole of the stator cross section center line form an effect angle less than 45 degree, has only one group of excitatory magnetic pole energization excitation that is in the effect angular range at any one time, the magnetic pole of the stator logarithm changes the rotating that electric power polarity can be realized motor greater than the rotor magnetic pole logarithm.The present invention is by changing magnetic pole of the stator and the mutual corresponding relation of rotor magnetic pole, make the two quantity difference and be provided with certain included angle, effectively utilized the magnetic force performance, the shortcoming of its existence is, electric machine structure is complicated, be unfavorable for implementing, the traditional structure of motor is not already obviously broken through, energy-saving effect is limited.
Utility model patent publication number CN2269666Y proposes a kind of permanent magnet DC motor, the outside of its stator rotating shaft is provided with the magnetic conduction cylinder, the magnetic conduction cylinder is provided with N to permanent-magnet pole, N=2,3,4 ..., N, the S utmost point are alternately arranged, and rotor core is established a plurality of grooves and coil windings, form the electromagnetic pole of N to correspondence, each winding two ends links to each other with two brush sheets respectively, and what link to each other with stator has two groups of brushes, links to each other with a power line respectively.Its structure and conventional motors structurally do not have substantive breakthroughs yet, and power savings is not high.
Three. summary of the invention: technical problem to be solved by this invention: for lowering energy resource consumption, reach the electrical energy saving purpose, make full use of motor permanent magnetism performance, develop a kind of efficient electricity-saving direct current permanent magnet motor.
The technical solution adopted in the present invention: a kind of efficient electricity-saving direct current permanent magnet motor, contain organic block, casing, stator, rotor, magnet exciting coil, brush, and commutator, casing links to each other with support, stator is fixed on casing inner wall, and rotor is installed on the stator center position, the rotating shaft of rotor by bearing fixing on two end cap, end cap and casing are fixed as one, stator is made of permanent magnetic material, is fixed with brush carrier on this stator, and brush carrier is provided with the brush I that is connected with the input power supply, II, rotor core has the silicon steel sheet sleeve to be formed by stacking, setting-in permanent magnet in the middle of every group of iron core, each permanent magnet is all outwards arranged with same polarity, and every group of iron core twines magnet exciting coil, the inboard end of every group of coil be located at epitrochanterian commutator and be connected, commutator is by brush I clutch energized, and the other end adapter sleeve of every group of coil is contained in the short circuit becket that insulate with rotating shaft in the rotating shaft, and the short circuit becket connects another root power lead by brush II.
The permanent magnet pole of forming stator is at least a pair of, permanent magnet is an integral type, or be separate assembling, permanent magnet is a magnetite, or be magnet steel, along the casing inner wall circle distribution, when permanent magnet is magnet steel, fill the magnetic insulation material in the gap of every pair of magnetic pole junction, on stator permanent magnet, be provided with the brush carrier fixing threaded hole.
Described direct current permanent magnet motor, stator are a pair of permanent magnet, and promptly the two couples of N, S magnetic pole were symmetrically distributed along one week of casing inner wall; Stator or be three pairs of permanent magnets is 120 ° of angles along casing inner wall and evenly distributes; Stator permanent magnet or be two pairs, or be four pairs, or be five pairs, or be six pairs, permanent magnet is the less relatively approximate imperfectly shape of the big other end size of an end size.
Described direct current permanent magnet motor, rotor are permanent magnet, or for permanent magnet and silicon steel sheet are formed by stacking, stator is as pressing three pairs of permanent magnetism numbers of poles, and then the groove number of poles of rotor electromagnetic core is 4, or be 5, or be 7, or be 8, or be 10, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31, or be 32, or be 35, or be 37, or be 38, or be 40; When stator was two couples of N, S magnetic pole, the groove number of poles of rotor electromagnetic core was the even number more than 4, or was the odd number more than 3; Permanent magnet is an electromagnetic core, and the groove number of poles is any natural number.
Each iron core solenoid or be connected in series with power supply, each slot number one around the head and the tail of coil connect, the centre tap of per two coils connects the commutator that is located in the rotating shaft, commutator connects the positive pole and the negative pole of power supply respectively by brush; Rotor groove, core configuration are that cross section is the cylindricality of gear-like, or for having certain thickness gear mass combination, solenoid can twine by upright " 0 " shape or " 0 " shape of crouching; The composite fabricated rotor solenoid can by " ∞ " shape or "
" the shape cross cap around, or surplus and so on pushing sleeve around.
A kind of efficient electricity-saving direct current permanent magnet motor, contain casing, support, stator, rotor, magnet exciting coil, brush, and commutator, casing links to each other with support, stator is fixed on casing inner wall, and rotor is installed on the stator center position, rotor shaft by bearing fixing on two end cap, end cap and casing are connected and fixed, rotor is a permanent magnet, and stator core is a permanent magnet, or is silicon steel sheet stack permanent magnet formation, each groove of stator iron core of drawing a bow to the full twines magnet exciting coil, one end of each coil is connected with power cathode, and the other end of each coil connects the commutator on the stator respectively, and commutator connects positive source by the brush that is located in the rotating shaft.
Described direct current permanent magnet motor, rotor is formed by stacking by the permanent magnetic material sleeve, magnet all outwards arrange with same polarity or about side by side, the permanent-magnet pieces of stator core stack is all outwards arranged with N or the same polarity of S, and along the casing inner wall circle distribution, the groove number of poles of electromagnetic core is 4, or be 5, or be 7, or be 8, or be 10, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31, or be 32, or be 35, or be 37, or be 40; Rotor or be that silicon steel sheet stack permanent magnet constitutes, the rotor permanent magnet poles body is three pairs, or is two pairs; When the rotor permanent magnet poles body is four pairs, brush be 4 uniform, the stator electromagnet core is with a groove one winding, the groove number of poles is 3, or is 5; When the rotor permanent magnet poles body is five pairs, brush be 5 uniform, the stator electromagnet core is with a groove one winding, the groove number of poles is 4, or is 6; When rotor permanent magnet poles was six pairs, the stator electromagnet core was with a groove one winding, and the groove number of poles is 5, or is 7.
A kind of efficient electricity-saving direct current permanent magnet motor, contain the rotor casing, stator, magnet exciting coil, brush, stator by bearing fixing in rotor casing center, rotor casing inside is made of permanent magnetic material, stator core has the silicon steel sheet embedding to add permanent magnet to be formed by stacking, every group of iron core twines magnet exciting coil, every group of coil one end is connected with the commutator that is located at stator one side, and commutator connects with the brush clutch that connects power supply, the other end of all coils and be located at stator on the metallic conductor that is connected with the input power supply continuous.
Described direct current permanent magnet motor, the permanent-magnet pieces of forming rotor is 3 couples of N, S magnetic pole, along the casing inner wall circle distribution, the superimposed permanent magnet of stator core silicon steel sheet is all with N or all with the export-oriented setting of S, or according to next inwards, one outwards, and the groove number of poles of electromagnetic core is 5, or is 8, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31; The rotor permanent magnet number of poles is at least 1 pair, or is 2 pairs, or is 4 pairs, or is 5 pairs, or is 6 pairs.
Described direct current permanent magnet motor, the permanent-magnet pieces of forming rotor is 1 pair, or is 2 pairs, the superimposed permanent magnet of stator silicon steel sheet is all with the N utmost point or all with the extremely export-oriented setting of S, or N, S magnetic pole are according to next inwards, and one outwards, and the groove number of poles of electromagnetic core is 3～40 any one natural number wherein; Perhaps rotor constitutes electromagnetic core by the superimposed permanent magnet of silicon steel sheet, and stator is made of permanent magnet.
Useful good effect of the present invention:
1. direct current permanent magnet motor of the present invention, simple in structure clear and definite, novel, coiling is simple, make easily, stator and rotor all adopt permanent magnetic material, and active force is converted into the mechanical energy work done to make full use of that the magnetic material same sex is repelled each other, there is a natural attraction between the sexes, utilize electromagnetic force to overcome the obstruction force that the same sex is repelled each other and produced, power savings is obvious.
2. direct current permanent magnet motor of the present invention, power supply access and brushgear are simple and reliable for structure, design ingenious, can overcome the magnetic energized of repelling each other when producing obstruction force at needs produces electromagnetic force and effectively offsets stator, rotor repulsion, and can strengthen polarity of the magnetic field in that there is a natural attraction between the sexes, and promote effective energy transformation, the new mode of a kind of using energy source is proposed, saves energy is alleviated current shortage of electric power situation significantly.
3. the promotion and implementation of direct current permanent magnet motor of the present invention, can promote current limited electric energy rational and efficient use, reduce the generating equipment investment, the use of direct current permanent magnet motor of the present invention, to save a large amount of electricity charge for factory, enterprise, reduce production costs, the present invention has better market application and good social economic benefit.
Four. description of drawings:
Fig. 1: efficient electricity-saving direct current permanent magnet motor structural representation
Fig. 2: stator permanent magnet magnetic pole and rotor core structure schematic diagram
Fig. 3: one of anode brush structural representation
Fig. 4: two (also can be used as the negative electrode brush) of anode brush structural representation
Fig. 5: stator core and rotor permanent magnet structural representation
Fig. 6: engine commutator shown in Figure 5 and fixed rack structure schematic diagram
Fig. 7: engine commutator brush structural representation shown in Figure 5
Fig. 8: electric fan formula efficient electricity-saving direct current permanent magnet motor structural representation
Five. embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 4, among the figure 1 be before, rear end cap, 2 is casing, 3 is stator permanent magnet, and 4 is bearing, and 5 is the anode brush, 6 is carbon brush, 7 is seal cover, and 8 is the negative electrode brush, and the anode brush among Fig. 4 also uses as the negative electrode brush, 9 are rotating shaft, 10 for being fixed in the rotating shaft with the conducting metal annulus of its insulation, and 11 is rotor, and 13 is rotor core, stator is provided with three permanent magnet A1 along one week of casing inner wall with 120 ° of angles, A2, A3, the intrados radius of curvature of every permanent magnet is less, forms three couples of N, the S magnetic pole is fixed three anode brushes accordingly on stator.Rotor 11 is by silicon steel sheet and the permanent magnet sleeve is superimposed is made, be arranged to groove and magnet exciting coil iron core 13 around rotor 11 side face bodies, be embedded with permanent magnet in the field core 13, present embodiment rotor groove number of poles is 7, the rotor groove number of poles also can be 14, or 16, or 17, or 19, or 22, or 23, or 38, or 40 do not waited.Twine solenoid 14 respectively around each utmost point groove magnetic core, 7 utmost point channel core retainer plates are around 7 windings, each utmost point channel core retainer plate around winding coil one end be connected (see figure 1) with the conducting metal annulus 10 that is located at rotating shaft upper rotor part one side together or respectively, conducting metal annulus 10 connects power cathode by negative electrode brush 8, the negative electrode brush is one here, also can be two, each winding coil other end is connected with the commutator 16 that is located at rotating shaft upper rotor part opposite side respectively, and commutator 16 connects positive source by carbon brush 6 clutches on three uniform anode brushes 5.17 is the brush fixing threaded hole among the figure.Fig. 3 is the another kind of version of anode brush, and 15 is brush carrier among the figure, and brush carrier 15 is provided with three brush spares.Direct current machine of the present invention adopts the power supply of low-voltage direct stabilized voltage power supply, and stabilized voltage power supply rectification output inserts the positive and negative power input of motor, connects each solenoid power supply through the brush clutch during rotor rotation, produces electric excitation.
Operation principle: efficient electricity-saving motor of the present invention, because rotor is an electromagnetism spare, it is again permanent magnetic spare, there is a natural attraction between the sexes draws by the permanent magnetism N of stator or S for the permanent magnetism S of rotor or N, the same sex is repelled mutually, when the rotor permanent-magnet pieces runs into itself intrinsic and stator permanent magnet spare N in rotation, during obstacle resistance that the S same sex is repelled mutually, power supply is given the armature winding coil by brush with electrical transmission, produce electromagnetism, permanent magnet S polarity is become N polarity, promote the permanent magnetism S of rotor core to become electromagnetism N, permanent magnetism N by stator repels mutually, eliminates rotor and stator work and rotates the obstacle resistance that produces, and plays electromagnetism simultaneously and adds the effect that helps the permanent magnetism function, turn to the permanent magnet S polarity chron of stator when electromagnet N polarity, cut electromagnetism N, revert to the S polarity of permanent magnetism, cause forming the permanent magnetism S of rotor and stator, the S same sex is scolded, so just form the rotation that goes round and begins again, made full use of magnetic potential.
Efficient electricity-saving direct current machine of the present invention mainly is to use as low voltage DC motor, also can be used for making the DC power supply motor of the AC-DC of 220V.When realizing that overcoming the magnet same sex repels each other generation obstacle resistance, also can adopt side waveform generator, make its frequency consistent with the frequency that the motor inner structure winding same sex produces repulsion.The power supply of motor of the present invention can adopt single-phase bridge rectification, capacitor filtering output, and when adopting voltage multiplying rectifier, motor speed can double, and is particularly useful for high-speed electric expreess locomotive.
Embodiment two: referring to Fig. 1, Fig. 2, Fig. 3, the present embodiment general structure is with embodiment one, its difference is: common cathode conducting metal annulus 10 (among Fig. 2) is fixed on rotor 11 1 side end faces, commutator 16 insulation are fixed in the rotating shaft 9, radially fix, are provided with the negative electrode brush that connects power cathode on anode brush carrier shown in Figure 3, the corresponding negative electrode conducting metal annulus 10 that connects of this brush.Present embodiment economize on electricity motor rotor core groove number of poles is 29.Number in the figure and represent meaning with embodiment one does not repeat.
Embodiment three: referring to Fig. 1, number in the figure is identical with embodiment one, represents same meaning, does not repeat.Present embodiment stator permanent magnet magnetic pole is five couples of N, S, evenly distribute along casing one week of 2 inwalls, rotor core groove number of poles is 6, also can be 4, all solenoid initial and end ends are connected in series successively, the centre tap of per two solenoids connects the commutator that is located in the rotating shaft, and commutator connects the positive and negative electrode of power supply respectively by the brush of two symmetric arrays.
Embodiment four: referring to Fig. 5, and Fig. 6, Fig. 7, present embodiment economize on electricity motor and embodiment one difference are: rotor is a permanent magnet, and stator is that silicon steel sheet stack permanent magnet constitutes, and stator core twines solenoid.9 are rotating shaft among the figure, 11 is rotor, 21 is stator permanent magnet and electromagnetic core, 22 is stator electromagnetism winding, rotor permanent magnet 23 is 3 couples of N, the S magnetic pole, the stator electromagnet core is 4 grooves, 24 is the commutator fixed mount, and 12 is commutator fixed mount fixing threaded hole, and the commutator 16 of mutually insulated connects solenoid one end on the stator to each other, the other end short circuit of all solenoids connects power cathode, commutator 16 connects anode conducting becket 19 by carbon brush 6 short circuits on the anode brush carrier 5, and the solenoid power supply is connected in clutch, establishes insulation material layer 26 between commutator 16 and the anode conducting becket 19, label 6 is depicted as carbon brush among Fig. 7,5 is the anode brush, and 28 is the package packing rotating shaft fixing hole, and 29 is spring, 30 is adjustment screw, the present embodiment brush be shown in Figure 7 be three integral types at center with the sleeve fixing hole.
Embodiment five: referring to Fig. 5, Fig. 6, Fig. 7, the present embodiment stator rotor structure is substantially with embodiment four, and difference is that rotor permanent magnet poles is four pairs, corresponding brush be 4 uniform, permanent magnet is the less relatively approximate imperfectly shape of the big other end size of an end size, and stator permanent magnet groove number of poles is 5, also can be 3.
When rotor permanent magnet poles also can be two pairs, magnetite stator permanent magnet core slots number of poles can be any number in 2 to 40.Rotor permanent magnet also can be six pairs, and stator permanent magnet groove number of poles is 5 or 7.
Embodiment six: referring to Fig. 7, Fig. 8, present embodiment efficient electricity-saving direct current machine is an electric fan formula direct current machine.Contain rotor casing 18, rotor permanent magnet 33, the stator 34 that has a magnet exciting coil by bearing fixing in rotor casing 18 centers, rotor casing 18 inwalls are provided with 5 pairs of permanent magnet poles, 35 is the liner material bed of material between rotor casing housing and the magnetic pole permanent magnet, stator 34 is added by the silicon steel sheet embedding that permanent magnet is superimposed to constitute stator groove iron core, it is extremely outside that stator permanent magnet polarity is S, every group of iron core twines magnet exciting coil, one end of all coils connects the negative pole of motor DC power supply input, the other end of every group of coil is connected with the commutator 16 that is located at stator one side, the anode conducting becket 19 and the commutator 16 that connect positive source are in plane, stator the same side, each other by insulation material layer 32 insulation, anode brush 5 is five, is fixed on the rotor block, and five carbon brush are uniform around anode conducting becket 19 and commutator 16, carbon brush 6 is connected anode conducting becket 19 and the commutator 16 that connects positive source, and the stator exciting coil power supply is connected in clutch.This moment, the fixing threaded hole 28 among Fig. 7 was corresponding with the brush fixing threaded hole that is provided with on the rotor block.Present embodiment stator core groove number of poles is 4, perhaps is 7.
Embodiment seven: present embodiment is with embodiment six differences: rotor magnetic pole is three couples of N, S, and stator groove number of poles is 22, and brush corresponds to three.
Embodiment eight: present embodiment is with embodiment six differences: rotor magnetic pole is two couples of N, S, and brush corresponds to two, and stator core groove number of poles can be any number in 3 to 40.
Following table be on March 7th, 2004 to the 7th time on the 11st to efficient electricity-saving direct current permanent magnet motor of the present invention with the ceiling fan form and with the operation contrast and experiment of other common electric machine ceiling fan:
Ammeter adopts the tabulation DD28-2 of factory of goldspink group type single-phase 2000 once changeing.Another experiment that above-mentioned experimental result and inventor carry out; consequently coincide substantially: contrast fan electromotor (Shanghai Hua Ling FC3 type) turned round 10 hours continuously; ammeter changes 947 and changes; electric motor fan of the present invention is far away continuously to be changeed 10 hours; ammeter changes 67 and changes; the former is power consumption 0.04735 degree per hour; and motor of the present invention power consumption 0.00335 degree per hour; power savings is very obvious, and the two differs and reaches tens times more than.</entry></row></tbody></tgroup></table></tables>
Claims (10)
1. efficient electricity-saving direct current permanent magnet motor, contain organic block, casing, stator, rotor, magnet exciting coil, brush, and commutator, casing links to each other with support, stator is fixed on casing inner wall, and rotor is installed on the stator center position, the rotating shaft of rotor by bearing fixing on two end cap, end cap and casing are fixed as one, it is characterized in that: stator is made of permanent magnetic material, is fixed with brush carrier on this stator, and brush carrier is provided with the brush I that is connected with the input power supply, II, rotor core has the silicon steel sheet sleeve to be formed by stacking, setting-in permanent magnet in the middle of every group of iron core, each permanent magnet is all outwards arranged with same polarity, and every group of iron core twines magnet exciting coil, the inboard end of every group of coil be located at epitrochanterian commutator and be connected, commutator is by brush I clutch energized, and the other end adapter sleeve of every group of coil is contained in the short circuit becket that insulate with rotating shaft in the rotating shaft, and the short circuit becket connects another root power lead by brush II.
2. direct current permanent magnet motor according to claim 1, it is characterized in that: the permanent magnet pole of forming stator is at least a pair of, permanent magnet is an integral type, or be separate assembling, permanent magnet is a magnetite, or is magnet steel, along the casing inner wall circle distribution, when permanent magnet is magnet steel, fill the magnetic insulation material in the gap of every pair of magnetic pole junction, on stator permanent magnet, be provided with the brush carrier fixing threaded hole.
3. direct current permanent magnet motor according to claim 1 is characterized in that: stator is a pair of permanent magnet, and promptly the two couples of N, S magnetic pole were symmetrically distributed along one week of casing inner wall; Stator or be three pairs of permanent magnets is 120 ° of angles along casing inner wall and evenly distributes; Stator permanent magnet or be two pairs, or be four pairs, or be five pairs, or be six pairs, permanent magnet is the less relatively approximate imperfectly shape of the big other end size of an end size.
4. according to claim 1 or 2 or 3 described direct current permanent magnet motors, it is characterized in that: rotor is a permanent magnet, or for permanent magnet and silicon steel sheet are formed by stacking, stator is as pressing three pairs of permanent magnetism numbers of poles, and then the groove number of poles of rotor electromagnetic core is 4, or be 5, or be 7, or be 8, or be 10, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31, or be 32, or be 35, or be 37, or be 38, or be 40; When stator was two couples of N, S magnetic pole, the groove number of poles of rotor electromagnetic core was the even number more than 4, or was the odd number more than 3; Permanent magnet is an electromagnetic core, and the groove number of poles is any natural number.
5. direct current permanent magnet motor according to claim 4, it is characterized in that: each iron core solenoid or be connected in series with power supply, each slot number one around the head and the tail of coil connect, the centre tap of per two coils connects the commutator that is located in the rotating shaft, and commutator connects the positive pole and the negative pole of power supply respectively by brush; Rotor groove, core configuration are that cross section is the cylindricality of gear-like, or for having certain thickness gear mass combination, solenoid can twine by upright " 0 " shape or " 0 " shape of crouching; The composite fabricated rotor solenoid can by " ∞ " shape or
The shape cross cap around, or surplus and so on pushing sleeve around.
6. efficient electricity-saving direct current permanent magnet motor, contain casing, support, stator, rotor, magnet exciting coil, brush, and commutator, casing links to each other with support, stator is fixed on casing inner wall, and rotor is installed on the stator center position, rotor shaft by bearing fixing on two end cap, end cap and casing are connected and fixed, it is characterized in that: rotor is a permanent magnet, and stator core is a permanent magnet, or is silicon steel sheet stack permanent magnet formation, each groove of stator iron core of drawing a bow to the full twines magnet exciting coil, one end of each coil is connected with power cathode, and the other end of each coil connects the commutator on the stator respectively, and commutator connects positive source by the brush that is located in the rotating shaft.
7. direct current permanent magnet motor according to claim 6 is characterized in that: rotor is formed by stacking by the permanent magnetic material sleeve, magnet all outwards arrange with same polarity or about side by side, the permanent-magnet pieces of stator core stack is all outwards arranged with N or the same polarity of S, and along the casing inner wall circle distribution, the groove number of poles of electromagnetic core is 4, or be 5, or be 7, or be 8, or be 10, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31, or be 32, or be 35, or be 37, or be 40; Rotor or be that silicon steel sheet stack permanent magnet constitutes, the rotor permanent magnet poles body is three pairs, or is two pairs; When the rotor permanent magnet poles body is four pairs, brush be 4 uniform, the stator electromagnet core is with a groove one winding, the groove number of poles is 3, or is 5; When the rotor permanent magnet poles body is five pairs, brush be 5 uniform, the stator electromagnet core is with a groove one winding, the groove number of poles is 4, or is 6; When rotor permanent magnet poles was six pairs, the stator electromagnet core was with a groove one winding, and the groove number of poles is 5, or is 7.
8. efficient electricity-saving direct current permanent magnet motor, contain the rotor casing, stator, magnet exciting coil, brush, stator by bearing fixing in rotor casing center, it is characterized in that: rotor casing inside is made of permanent magnetic material, stator core has the silicon steel sheet embedding to add permanent magnet to be formed by stacking, every group of iron core twines magnet exciting coil, every group of coil one end is connected with the commutator that is located at stator one side, and commutator connects with the brush clutch that connects power supply, the other end of all coils and be located at stator on the metallic conductor that is connected with the input power supply continuous.
9. direct current permanent magnet motor according to claim 8 is characterized in that: the permanent-magnet pieces of forming rotor is 3 couples of N, S magnetic pole, and along the casing inner wall circle distribution, the superimposed permanent magnet of stator core silicon steel sheet is all with N or all with the export-oriented setting of S, or according to next inwards, one outwards, and the groove number of poles of electromagnetic core is 5, or is 8, or be 11, or be 13, or be 14, or be 16, or be 17, or be 19, or be 20, or be 22, or be 23, or be 25, or be 26, or be 28, or be 29, or be 31; The rotor permanent magnet number of poles is at least 1 pair, or is 2 pairs, or is 4 pairs, or is 5 pairs, or is 6 pairs.
10. direct current permanent magnet motor according to claim 8, it is characterized in that: the permanent-magnet pieces of forming rotor is 1 pair, or it is 2 pairs, the superimposed permanent magnet of stator silicon steel sheet is all with the N utmost point or all with the extremely export-oriented setting of S, or N, S magnetic pole are according to next inwards, one outwards, and the groove number of poles of electromagnetic core is 3～40 any one natural number wherein; Perhaps rotor constitutes electromagnetic core by the superimposed permanent magnet of silicon steel sheet, and stator is made of permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100101916A CN100525020C (en) | 2004-04-09 | 2004-04-09 | D.C. permanent magnet dynamo |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100101916A CN100525020C (en) | 2004-04-09 | 2004-04-09 | D.C. permanent magnet dynamo |
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| Publication Number | Publication Date |
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| CN1564430A true CN1564430A (en) | 2005-01-12 |
| CN100525020C CN100525020C (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100101916A Expired - Fee Related CN100525020C (en) | 2004-04-09 | 2004-04-09 | D.C. permanent magnet dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100525020C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651396B (en) * | 2009-09-23 | 2012-05-23 | 杭州天铭机电工具有限公司 | Direct current motor |
| CN104483808A (en) * | 2014-11-04 | 2015-04-01 | 深圳市安曼特微显示科技有限公司 | Air exhaust fan gear light structure and projector |
| CN106002878A (en) * | 2016-08-02 | 2016-10-12 | 江苏永康机械有限公司 | Anti-high-overload rotary platform |
| CN113644799A (en) * | 2021-08-12 | 2021-11-12 | 重庆兴美不锈钢制品有限公司 | Electric machine |
| CN115912797A (en) * | 2022-12-13 | 2023-04-04 | 上海乐来汽车分析测试有限公司 | New energy automobile motor loading axle electromagnetic noise current suppression device |
-
2004
- 2004-04-09 CN CNB2004100101916A patent/CN100525020C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101651396B (en) * | 2009-09-23 | 2012-05-23 | 杭州天铭机电工具有限公司 | Direct current motor |
| CN104483808A (en) * | 2014-11-04 | 2015-04-01 | 深圳市安曼特微显示科技有限公司 | Air exhaust fan gear light structure and projector |
| CN106002878A (en) * | 2016-08-02 | 2016-10-12 | 江苏永康机械有限公司 | Anti-high-overload rotary platform |
| CN113644799A (en) * | 2021-08-12 | 2021-11-12 | 重庆兴美不锈钢制品有限公司 | Electric machine |
| CN115912797A (en) * | 2022-12-13 | 2023-04-04 | 上海乐来汽车分析测试有限公司 | New energy automobile motor loading axle electromagnetic noise current suppression device |
| CN115912797B (en) * | 2022-12-13 | 2023-11-07 | 上海乐来汽车分析测试有限公司 | New energy automobile motor loading axle electromagnetic noise current suppression device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100525020C (en) | 2009-08-05 |
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