CN103701282A - Semi-magnetic outer winding energy-saving motor - Google Patents
Semi-magnetic outer winding energy-saving motor Download PDFInfo
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- CN103701282A CN103701282A CN201310749546.2A CN201310749546A CN103701282A CN 103701282 A CN103701282 A CN 103701282A CN 201310749546 A CN201310749546 A CN 201310749546A CN 103701282 A CN103701282 A CN 103701282A
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Abstract
The invention discloses a semi-magnetic outer winding energy-saving motor, comprising a stator, a rotor, a permanent magnetic body, a main winding magnetic pole and boosting exciting windings; the interior structure of the motor integrates the advantages of a brushless direct current motor and a switch magnetic resistance motor. The semi-magnetic outer winding energy-saving motor is mainly characterized in that the main winding magnetic pole is arranged at the top of the stator, so the disassembly is convenient, the radiating capacity is better, the energy loss caused by a fan is eliminated, the rotor and the stator are designed in a segmenting mode to achieve the aim of the single operation of each section of rotor and stator, the heat generated during operation is less, and heat is consumed by air flows formed by the rotating of the stator body and the rotor, so the demagnetizing phenomenon as the magnetic pole is overheated due to the long-term work of the motor is avoided, the boosting exciting windings only with the boosting function are additionally arranged, the energy saving function of the motor is achieved by using the boosting force of magnetic lines, the design is compact and convenient and the disassembly is easy.
Description
Technical field
The invention belongs to energy-saving motor technical field, particularly the outer winding energy-saving motor of a kind of half magnetic.
Background technology
Current motor is a kind of electric rotary machine mostly, change electric energy into mechanical energy, it mainly comprises a kind of rotor that produces the electromagnet winding in magnetic field or the stator winding of distribution and a rotation, under the effect of stator winding rotating magnetic field, its in armature squirrel-cage aluminium frame, have electric current by and be subject to the effect in magnetic field that it is rotated, the acting of the common motor of switched reluctance motor partly rotates, rotor is overrided to form by silicon steel sheet is two, each is wound with excitation winding on extremely stator, by passing into successively exciting current to stator excitation winding, stator salient poles and rotor with salient pole are interacted and produce torque, its stator salient poles and rotor with salient pole magnetic pole curb the radial arrangement of motor rotation axis, operation principle is followed " magnetic resistance minimum principle ", after energising, the trend that the oriented magnetic resistance minimal path of magnetic circuit changes, when the dislocation of rotor with salient pole and stator, air gap is large, and magnetic resistance is also large, once excitation winding energising in stator will form the magnetic pull to rotor with salient pole, makes that air gap diminishes, magnetic circuit reluctance also diminishes, and the DC motor of prior art one all adopt casing, the inside arranges stator, rotor, support, brush and commutating pole etc., but once the commutating pole of DC motor damages, will, the dismounting of motor interior parts, operate more complicated.
Summary of the invention
The problem existing for prior art, the invention provides the outer winding energy-saving motor of a kind of half magnetic, combine the advantage of switch magnetic group motor and brushless DC motor, and in conjunction with a kind of main winding magnetic pole for convenience detach of design, make permanent magnetism magnetic pole, the power-assisted effect of main winding magnetic pole and magnet exciting coil combines, can replace magnetic pole that winding produces can save the power consumption of half, to achieve these goals, the present invention adopts following technical scheme, the outer winding energy-saving motor of a kind of half magnetic, it is characterized in that: comprise at least two stators and the rotor identical with stator number, described stator is by main winding magnetic pole 1, shell 2 and two pairs of power-assisted excitation winding form, described stator casing 2 tops are provided with opening, described main winding magnetic pole 1 is arranged on the opening part of stator casing 2, at the center of stator, central rotating shaft 5 is set, rotor 6 is socketed on central rotating shaft 5, described in to be socketed in central rotating shaft 5 upper rotor parts and the rotor formed differential seat angle of arranging be the number of 360 °/rotor, described power-assisted excitation winding comprises a pair of clockwise power-assisted excitation winding 4 and a pair of counterclockwise power-assisted excitation winding 3, and every pair of power-assisted excitation winding is arranged on the side of stator inner wall and arranges along central rotating shaft 5 central point, the inwall of described stator bottom is fixedly connected with permanent magnetism magnetic pole 7, and stator connecting piece 10 is set between stator and stator, outside the stator at the outermost layer two ends of the axial direction of central rotating shaft, is fixedly connected with respectively front end housing 8 and rear end cap 9.
Preferably, described rear end cap arranges range finder module 11 near central shaft position.
Further preferably, the T-shaped connector that described main winding magnetic pole 1 consists of the silicon steel sheet that is wound with coil, is fixedly linked with the top of stator casing 2.
Further preferably, described power-assisted excitation winding consists of the silicon steel sheet that is wound with magnet exciting coil, and described power-assisted excitation winding silicon steel sheet is shaped as the arc identical with the radian of rotor rotary motion trace at the salient pole near rotor.
Further preferably, described rotor 6 is shaped as I-shaped rotor.
Further preferably, described stator casing 2 is shaped as convex shape stator.
Beneficial effect of the present invention: the outer winding energy-saving motor of half magnetic disclosed in this invention, shape with original DC Brushless Motor and switch magnetic group motor is all different with structure, in motor stator upper end open, main winding magnetic pole is set, be connected with stator casing partial fixing, for convenience detach, because main winding magnetic pole is in stator outside, so the gap of main winding magnetic pole and stator increases, heat-sinking capability is fairly good, can save the energy loss that fan brings, this structural design can reach significantly energy-conservation object, the heat that only has rotor operation to produce when stator outer end power-assisted excitation winding is worked due to main winding pole design is very little, while being rotated by stator body own and rotor, formed air current flow is fallen its heat exhaustion, avoided making because motor works long hours permanent magnetism magnetic pole overheated and produce demagnetization phenomenon, and the outer winding energy-saving motor maintenance of half magnetic is very convenient, need not take motor body apart just can directly keep in repair, main winding structure of magnetic pole is designed to dismantle at any time and install, any one group of main winding damages and directly changes the operation that can work on of main winding magnetic pole, during due to employing half magnetic-type stator structure energy-saving motor commutation, can not produce pulsations, motor operates steadily reliably.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the outer winding energy-saving motor of a kind of half magnetic of the present invention is elaborated:
Fig. 1 is the structural representation of the outer winding energy-saving motor of the present invention's half magnetic;
Fig. 2 is the cutaway view of the outer winding energy-saving electric machine stator of the present invention's half magnetic and main winding magnetic pole;
Fig. 3 is structural representation when winding energy-saving electric machine rotor is 90 ° outside the present invention's half magnetic;
Fig. 4 is structural representation when winding energy-saving electric machine rotor is 210 ° outside the present invention's half magnetic;
Fig. 5 is structural representation when winding energy-saving electric machine rotor is 330 ° outside the present invention's half magnetic;
Fig. 6 is the structural representation of the outer winding energy-saving motor front end housing of the present invention's half magnetic;
Fig. 7 is the structural representation of the outer winding energy-saving motor rear end cap of the present invention's half magnetic;
Fig. 8 is socketed the structural representation of three rotors on the outer winding energy-saving motor central rotating shaft of the present invention's half magnetic;
Fig. 9 is the structural representation of connector in the outer winding energy-saving motor of the present invention's half magnetic;
Figure 10 is the vertical view of the outer winding energy-saving motor of the present invention's half magnetic;
In figure, 1-main winding magnetic pole; 2-stator casing; Power-assisted excitation winding that 3-is counterclockwise; The clockwise power-assisted excitation winding of 4-; 5-central rotating shaft; 6-rotor; 7-permanent magnetism magnetic pole; 8-front end housing; 9-rear end cap; 10-connector; 11-range finder module.
Embodiment
The outer winding energy-saving motor of a kind of half magnetic as shown in Figure 1, comprise three sections of stators, rotor 6, central rotating shaft 5, connector 10, front end housing 8 and rear end cap 9, as shown in Figure 2, every section of stator comprises main winding magnetic pole 1, stator casing 2 and two pairs of power-assisted winding magnetic poles, described stator casing is convex shape, top at stator casing 2 is provided with opening, the T-shaped connector that described main winding magnetic pole 1 consists of the silicon steel sheet that is wound with coil and the top open part of stator casing 2 are fixedly linked, described power-assisted winding magnetic pole is fixedly connected with the side inner walls of stator casing 2, at the center of stator, central rotating shaft 5 is set, rotor 6 is fixed on central rotating shaft 5 by rotating shaft key, the I-shaped shape that described rotor is overrided to form by silicon steel plate core, on the central rotating shaft of the outer winding energy-saving motor of half magnetic as shown in Figure 8, three rotors are set, each rotor is arranged on the center of stator, it is described that to be socketed in the formed differential seat angle of arranging between central rotating shaft 5 upper rotor parts and rotor be 120 °, rotor institute angle setting degree is 90 ° as shown in Figure 3, the institute of rotor shown in Fig. 4 angle setting degree is that shown in 210 ° and Fig. 5, rotor institute angle setting degree is 330 °, between rotor, by shading ring, is formed and is isolated in put stator, 90 ° of rotors setting initial condition are a section, and 210 ° of rotors are b section, and 330 ° of rotors are c section, the corresponding stator of a section rotor is A section, and the corresponding stator of b section rotor is B section, and the corresponding stator of c section rotor is C section, described power-assisted excitation winding comprises a pair of clockwise power-assisted excitation winding 4 and a pair of counterclockwise power-assisted excitation winding 3, every pair of power-assisted excitation winding is arranged on the side of stator inner wall and arranges along central rotating shaft 5 central point, described power-assisted excitation winding consists of the silicon sheet core that is wound with magnet exciting coil, and described power-assisted excitation winding silicon steel sheet is shaped as the arc identical with the radian of rotor rotary motion trace at the salient pole near rotor, the inwall of described stator bottom is fixedly connected with permanent magnetism magnetic pole 7, and connector 10 is set between stator and stator, the square end points of every section of stator casing 2 is all provided with at least three stator positioning convex points and stator fastening bolt, described stator connecting piece 10 also arranges corresponding stator fixedly salient point and stator fastening bolt in relevant position, as shown in Figure 6 and Figure 7, stator outside along the outermost layer two ends of the axial direction of central rotating shaft is fixedly connected with respectively front end housing 8 and rear end cap 9, at rear end cap 9, near the top of central rotating shaft, a range finder module 11 is set, described range finder module is infrared distance measuring transducer, stator casing 2, rotor and T-shaped main winding magnetic pole all adopt silicon steel compacting to form, and silicon steel sheet has higher magnetic permeability, stator connecting piece adopts aluminum material, and aluminium alloy has advantages of lightweight and rapid heat dissipation, can alleviate the quality of motor body and the consumption of saving silicon steel sheet.
Described permanent magnetism magnetic pole 7 is the upper and lower corresponding S utmost point and the N pole field of partnering with T-shaped main winding magnetic pole 1, in stator, the left and right sides is that back electromotive force power-assisted winding magnetic pole is that a pair of power-assisted winding is divided into clockwise back electromotive force power-assisted winding and counterclockwise back electromotive force power-assisted winding with respect to central rotating shaft central point, the stator combination of A B C section always has one section of rotor with salient pole magnetic pole and stator combination magnet limbs position of center line to coincide when corresponding with a b c section rotor combination position, rotor structure is that every section of rotor axial of three stage structure is apart from difference, the angle that three-stage rotor is put is different, when every section of rotor with salient pole magnetic pole rotates to 90 ° and every section of stator salient poles position of magnetic pole coincide, every section of rotor with salient pole axially can not blocked by rotor with salient pole the last period, utilize infrared distance measuring module triangulation, to rotor with salient pole a section, b section, whether c section is carried out axial range finding and just can be obtained every section of rotor with salient pole and coincide with stator salient poles pole center line, obtain accurate initial position message and the commutation information of rotor, infrared distance sensor module is positioned at the rear end cap installing port position of the outer winding energy-saving motor of half magnetic, with rotor with salient pole magnetic pole shaft to corresponding, sectional type rotor a section, b section, c section is axial syllogic rotor, a section, b section, the axial salient pole differential seat angle of c section be 120 ° evenly distributed, rotor often circles, two magnet limbs of every section of rotor all can overlap twice with corresponding stator salient poles magnetic pole, can produce three sections of different axial distances, infrared distance measuring module transmitting light beam, every section of rotor all can be with the infrared beam of different distance reflective infrared range finder module transmittings when rotated for every section of rotor, every section of infrared angle difference that rotor with salient pole reflects, by infrared receiving tube Sensitive Apparatus, received, export every section of analog voltage that rotor with salient pole is different, by main controller Chip Microcomputer A/D end, be converted to the digital signal that single-chip microcomputer can be identified, because different analog voltages represents different rotor magnet limbs, so single-chip microcomputer coding can be made corresponding comparison for different analog voltages, by single-chip microcomputer, export corresponding instruction, MCU Instruction operating key is divided into the operating key that turns clockwise, be rotated counterclockwise operating key, stop key and rotating speed operating key, the Single Chip Microcomputer (SCM) program that turns clockwise initialization, infrared distance sensor detection rotor positional information, single-chip microcomputer main program is determined initial position of rotor, by clockwise initiate key, single-chip microcomputer scanning is determined, with corresponding logical program operation, working procedure is A-C-B-A phase commutation operation clockwise, power-assisted winding switch is now normally open clockwise.Power-assisted winding switch is now normally off counterclockwise.
When infrared distance sensor detects output analog voltage, it is A phase time, the starting of single-chip microcomputer commutation program, A is initial position of rotor mutually, by chief editor, write a program and the C instruction that is conducted is sent in single-chip microcomputer computing, C phase, T-shaped main winding magnetic pole conducting produces a magnetic field contrary with permanent magnetism magnetic pole in salient pole stator, during due to a section rotor to 90 °, when magnet limbs center line coincides, c section rotor and magnet limbs position are just in time to reach magnetic resistance minimum position, by magnetic flux always along the closed principle of magnetic resistance minimal path, Aa phase magnet limbs position of center line, to turn over certain angle becomes Cc phase magnet limbs position of center line and coincides, because Aa is initial position mutually, so the direct operating instruction of single-chip microcomputer position is the conducting of the mutually T-shaped main winding magnetic pole of Cc, when infrared distance sensor module infrared beam is returned by C section trochanter reflex, angle changes, during the corresponding analog voltage of output c section rotor, monolithic owner working procedure reads accordingly by single-chip microcomputer and sends a corresponding late commutation signal according to corresponding analog voltage, this late commutation signal is to overlap completely with rotor with salient pole pole center line for Cc phase stator salient poles, when the mutually T-shaped main winding magnetic pole of C and rotor with salient pole magnetic pole coincide completely, power drive switch can obtain a single-chip microcomputer I/0 low level signal, the mutually T-shaped main winding magnetic pole of C can produce a very large self-induction back-emf voltage because lose former power supply suddenly, this voltage is just in time contrary with primary voltage polarity, at this moment T-shaped main winding electrode input end backward diode in parallel, by back-emf voltage conducting, give clockwise power-assisted winding negative input, the back electromotive force positive voltage that T-shaped main pole winding negative input produces through the backward diode of T-shaped main pole winding negative pole parallel connection with
Clockwise power-assisted winding drive circuit power switch IGBT collector electrode input is connected and is conducted through emitter and clockwise power-assisted winding electrode input end, power-assisted winding can produce a clockwise power-assisted magnetic field clockwise, to help when T-shaped main pole magnetic field loses magnetism, because convex permanent magnetism magnetic pole still exists the pulling force in magnetic field to rotor, when power-assisted winding magnetic pole makes rotor with salient pole magnetic pole depart from convex permanent magnetism magnet limbs center line certain distance formation commutation clockwise, produce power-assisted effect, to overcome the magnetic pull phenomenon of permanent magnetism magnet limbs, owing to all there are two groups of reverse power-assisted winding magnetic poles in every section of convex stator, it is clockwise power-assisted winding, with counterclockwise power-assisted winding, every section of salient pole stator is during with this section of corresponding coincidence of field spider pole center line, clockwise power-assisted winding and counterclockwise power-assisted winding magnetic pole all with two salient pole sides of this section of rotor, form axle central point magnetic resistance minimum position, when Cc phase salient pole position coincides, between when becoming Bb phase salient pole position and coinciding, have one commutating period spacing, by clockwise power-assisted winding, producing magnetic field suction pulls C section rotor certain angle to fill up this time interval, for the steady commutation of rotor plays a role, infrared distance sensor light beam is returned by b section trochanter reflex, by new angle, produce new analog voltage output and be converted to through Chip Microcomputer A/D the digital signal that single-chip microcomputer can be identified, by coding comparison calculation single-chip microcomputer, sending execution instruction A is conducted, circulation thus, motor can rotate with the sun, when being rotated counterclockwise, control program is changed into A-B-C-A and is circulated mutually, power-assisted winding power switch is conducting state counterclockwise, power-assisted winding is off-state clockwise, in every section of salient pole stator, the power-assisted winding power supply back electromotive force that all T shape main winding magnetic pole produces in this section of salient pole stator provides, by changing single-chip microcomputer duty ratio PWM, carry out speed control, motor stops by the single-chip microcomputer operation that stops key.The open loop of the outer winding motor of half magnetic is controlled the initial position of rotor that detects a, b, c section by position detector and by single-chip microcomputer, is directly sent instruction and control and with A-C-B-A, circulate mutually clockwise according to input key, power-assisted winding is normally off clockwise, power-assisted winding is normally open counterclockwise, be rotated counterclockwise with A-B-C-A and circulate mutually, power-assisted winding is normally off counterclockwise, and power-assisted winding is normally open clockwise.
The outer winding energy-saving electric machine stator of half magnetic is combined and forms with permanent magnetism magnetic pole by main winding magnetic pole, and its level of torque can determine by input current and the input voltage of main winding magnetic pole, and permanent magnetism magnetic pole is fixed magnetic field magnetic pole, and both combine, permanent magnetism magnetic pole can replace the magnetic pole being produced by winding just can save the power consumption of half like this, because T-shaped main winding magnetic pole is in stator outside, so heat-sinking capability is fairly good, can save the energy loss that fan brings, this structural design can reach significantly energy-conservation object, because T-shaped main winding pole design is in stator outer end, the heat that only has one group of operation to produce during the work of power-assisted winding is very little, while being rotated by stator body own and rotor, formed air current flow is fallen its heat exhaustion, so can not make because motor works long hours permanent magnetism magnet limbs produce by overheated and demagnetization phenomenon occurs.
The outer winding energy-saving motor maintenance of half magnetic is very convenient, need not take motor body apart just can directly keep in repair, T-shaped main winding structure of magnetic pole is designed to dismantle at any time and mutually any one group of A, B, C is installed breaks down and directly change T-shaped main winding magnetic pole and can move, owing to adopting half magnetic-type stator structure, when motor is capable of reversing, can not produce pulsations, motor operates steadily reliably.
Claims (6)
1. the outer winding energy-saving motor of one and half magnetic, it is characterized in that: comprise at least two stators and the rotor identical with stator number, described stator consists of main winding magnetic pole (1), stator casing (2) and two pairs of power-assisted excitation winding, described stator casing (2) top is provided with opening, and described main winding magnetic pole (1) is arranged on the opening part of stator casing (2); Central rotating shaft (5) is set at the center of stator, and it is upper that rotor (6) is socketed in central rotating shaft (5), described in to be socketed in central rotating shaft (5) upper rotor part and the rotor formed differential seat angle of arranging be the number of 360 °/rotor; Described power-assisted excitation winding comprises a pair of clockwise power-assisted excitation winding (4) and a pair of counterclockwise power-assisted excitation winding (3), and every pair of power-assisted excitation winding is arranged on the side of stator inner wall and arranges along central rotating shaft (5) central point; The inwall of described stator bottom is fixedly connected with permanent magnetism magnetic pole (7), connector (10) is set between stator and stator, along the stator outside at the outermost layer two ends of the axial direction of central rotating shaft, is fixedly connected with respectively front end housing (8) and rear end cap (9).
2. the outer winding energy-saving motor of half magnetic according to claim 1, is characterized in that: described rear end cap arranges range finder module (11) near central shaft position.
3. the outer winding energy-saving motor of half magnetic according to claim 1, is characterized in that: the T-shaped connector that described main winding magnetic pole (1) consists of the silicon sheet core that is wound with coil, is fixedly linked with the top of stator casing (2).
4. the outer winding energy-saving motor of half magnetic according to claim 1, it is characterized in that: described power-assisted excitation winding consists of the silicon sheet core that is wound with magnet exciting coil, described power-assisted excitation winding silicon steel sheet is shaped as the arc identical with the radian of rotor rotary motion trace at the salient pole near rotor.
5. the outer winding energy-saving motor of half magnetic according to claim 1, is characterized in that: described rotor (6) is shaped as I-shaped rotor.
6. the outer winding energy-saving motor of half magnetic according to claim 1, is characterized in that: described stator casing (2) is shaped as convex shape stator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310749546.2A CN103701282A (en) | 2013-12-31 | 2013-12-31 | Semi-magnetic outer winding energy-saving motor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310749546.2A CN103701282A (en) | 2013-12-31 | 2013-12-31 | Semi-magnetic outer winding energy-saving motor |
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| CN103701282A true CN103701282A (en) | 2014-04-02 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05207712A (en) * | 1992-01-24 | 1993-08-13 | Tokyo Electric Co Ltd | Narrow and long motor of outside rotation type |
| CN2667779Y (en) * | 2003-12-23 | 2004-12-29 | 陈国嵘 | Mutural induction armature DC motor |
| CN1560986A (en) * | 2004-02-16 | 2005-01-05 | 宋添发 | Self-excited magnetic energy generator, power machine |
| CN201146413Y (en) * | 2008-01-11 | 2008-11-05 | 张世清 | Reluctance motor for double fixed rotor switch |
| CN103269133A (en) * | 2013-06-06 | 2013-08-28 | 王新 | Transverse flux permanent magnetic or reluctance permanent magnetic motor of ring box structure |
| CN103354409A (en) * | 2013-07-26 | 2013-10-16 | 吴星杰 | Two-permanent magnet three-phase generator |
| CN203722437U (en) * | 2013-12-31 | 2014-07-16 | 刘忠涛 | Semi-magnetic outer winding energy-saving motor |
-
2013
- 2013-12-31 CN CN201310749546.2A patent/CN103701282A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05207712A (en) * | 1992-01-24 | 1993-08-13 | Tokyo Electric Co Ltd | Narrow and long motor of outside rotation type |
| CN2667779Y (en) * | 2003-12-23 | 2004-12-29 | 陈国嵘 | Mutural induction armature DC motor |
| CN1560986A (en) * | 2004-02-16 | 2005-01-05 | 宋添发 | Self-excited magnetic energy generator, power machine |
| CN201146413Y (en) * | 2008-01-11 | 2008-11-05 | 张世清 | Reluctance motor for double fixed rotor switch |
| CN103269133A (en) * | 2013-06-06 | 2013-08-28 | 王新 | Transverse flux permanent magnetic or reluctance permanent magnetic motor of ring box structure |
| CN103354409A (en) * | 2013-07-26 | 2013-10-16 | 吴星杰 | Two-permanent magnet three-phase generator |
| CN203722437U (en) * | 2013-12-31 | 2014-07-16 | 刘忠涛 | Semi-magnetic outer winding energy-saving motor |
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Application publication date: 20140402 |