CN103475115A - Novel one-phase brushless motor - Google Patents
Novel one-phase brushless motor Download PDFInfo
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- CN103475115A CN103475115A CN2013104107060A CN201310410706A CN103475115A CN 103475115 A CN103475115 A CN 103475115A CN 2013104107060 A CN2013104107060 A CN 2013104107060A CN 201310410706 A CN201310410706 A CN 201310410706A CN 103475115 A CN103475115 A CN 103475115A
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Abstract
The invention discloses a novel one-phase brushless motor which comprises a shell body, a stator core, a rotor core, a rotary shaft and a control system, wherein the rotary shaft is movably connected with the shell body, an even number of rotor salient poles are evenly arranged on the rotor core, a notch is formed in the end portion of each rotor salient pole, stator teeth are arranged on the stator core, the number of the stator teeth is twice that of the rotor salient poles, a field coil is wound around the root portions of every two adjacent stator teeth, an actuating coil is wound around the root portions of every two adjacent stator teeth, the field coils and the actuating coils are arranged in a staggered mode, the number of magnetic poles generated by the field coils and the actuating coils is equal to the number of the stator teeth, the winding directions of every two adjacent field coils are opposite, the winding directions of every two adjacent actuating coils are opposite, the field coils are connected with the actuating coils, the actuating coils are connected with a control system, and the control system controls the direction of magnetic flux generated by the actuating coils to correspond to the direction of magnetic flux generated by the field coils. The novel one-phase brushless motor has the advantages of being simple in structure, low in cost, high in working efficiency, strong in reliability, and wide in application range.
Description
Technical field
The present invention relates to a kind of motor, particularly relate to a kind of brushless single phase motor.
Background technology
At present, the brushless single phase motor applies in small electric apparatus, household electrical appliances and industrial production widely, and the rotor that this class motor generally comprises stator and is complementary with stator is provided with winding on stator, be provided with permanent magnet on rotor, by repulsion between magnetic field, realize the rotation of rotor.It is low that this class magnet has efficiency, and reliability is low, the shortcoming that speed adjustable range is little.
On market, also there is a class switched reluctance motor, the rotor that this class motor generally comprises stator and is complementary with stator, all be provided with magnetic pole on stator and rotor, be provided with magnet exciting coil or permanent magnet on the magnetic pole of stator, by the magnetic flux direction of switching over magnet exciting coil, just can change the distribution in magnetic field on stator, can form the electromagnetic torque of magnetic resistance character on rotor, drive rotor rotates together with rotating shaft.This class motor generally adopts the three-phase winding construction, to guarantee motor, has from opening ability, so the control system complexity, the height of controlling cost.Owing to being provided with permanent magnet, make on the one hand the complex structure of motor, production cost improves simultaneously, and permanent magnet is subject to the impact of temperature large on the other hand, and the scope of application of respective motors is restricted.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of simple in structure, cost is low, high efficiency, reliability Novel single-phase brushless motor strong, applied widely.
According to an aspect of the present invention, a kind of Novel single-phase brushless motor is provided, comprise housing, the stator core be fixedly linked with housing, the rotor core be complementary with stator core, rotating shaft with the rotor core socket, control system, its shaft and housing are flexibly connected, be provided with equably the even number rotor with salient pole on rotor core, the end of this rotor with salient pole is provided with breach, stator core is provided with stator tooth, the quantity of this stator tooth is the twice of rotor with salient pole, the root of adjacent described stator tooth is wound with magnet exciting coil and actuating coil by the mode compartment of terrain of span winding, the number of magnetic poles that magnet exciting coil and actuating coil produce equals the number of teeth of stator tooth, the direction of winding of adjacent described magnet exciting coil is contrary, the direction of winding of adjacent described actuating coil is contrary, this magnet exciting coil is connected with actuating coil, this actuating coil is connected with control system, the direction of the magnetic flux that the direction of the magnetic flux that this control system control actuating coil produces produces with magnet exciting coil is corresponding.Due to rotor with salient pole is designed to even number, stator tooth is designed to the twice of rotor with salient pole, be wound with magnet exciting coil and actuating coil at the root of adjacent described stator tooth with the mode compartment of terrain of span winding, the number of magnetic poles that magnet exciting coil and actuating coil produce equals the number of teeth of stator tooth, the direction of winding of adjacent described magnet exciting coil is contrary, the direction of winding of adjacent described actuating coil is contrary, control the direction generating period variation of the magnetic flux of actuating coil generation by control system, the corresponding relation generating period variation of the magnetic flux that actuating coil and magnet exciting coil are produced, regulate total magnetic flux generating period variation of magnet exciting coil and actuating coil, just can be implemented as rotor with salient pole the Electromagnetic Continuous torque is provided, make rotating shaft rotate continuously together with rotor core.Be provided with breach in the end of rotor with salient pole simultaneously, can be so that motor can open certainly.Therefore a kind of Novel single-phase brushless motor of the present invention have advantages of simple in structure, cost is low, high efficiency, speed adjustable range is wide, reliability is strong.The magnet exciting coil provider that a kind of Novel single-phase brushless motor of the present invention simultaneously passes through continuous firing, to constant magnetic field, has replaced permanent magnet, further provides cost savings, and uses the scope of application of a kind of Novel single-phase brushless motor of the present invention also more extensive.
In some embodiments, the lateral deviation that breach closes on the rotor with salient pole center can be 5 °～15 ° from the angle of rotor with salient pole machine center line.One lateral deviation of closing on the rotor with salient pole center due to breach is 5 °～15 ° from the angle of rotor with salient pole machine center line, determine the size of corresponding angle according to the quantity of rotor with salient pole, therefore can be so that a kind of Novel single-phase brushless motor of the present invention can better complete from opening.
In some embodiments, stator tooth is the T shape structure that end is arc.Owing to stator tooth being designed to the T shape structure that end is arc, therefore can effectively block magnet exciting coil and actuating coil, prevent coming off of coiling.
In some embodiments, the end of rotor with salient pole can be arc, and the radian of this rotor with salient pole end is identical with the radian of the end of stator tooth.Due to stator tooth all is designed to the arc that radian is identical with rotor with salient pole, therefore can effectively reduce the gap between stator tooth and rotor with salient pole, thereby improve electromagnetic torque.
In some embodiments, the width of the end of rotor with salient pole can be identical with the width of the end of stator tooth.Because the width design by the rotor with salient pole end is identical with the width of stator tooth end, make through the magnetic flux of rotor large, the electromagnetic torque obtained on rotor also can increase, thus a kind of Novel single-phase brushless motor of the present invention to have rotating torque large, the advantage of high efficiency.
In some embodiments, rotating shaft can be connected by bearing with housing, and this rotating shaft is provided with the snap ring be complementary with bearing.Owing to by snap ring and housing, coordinating bearing is positioned, thus a kind of Novel single-phase brushless motor operations of the present invention can be stablized more, reliably.
In some embodiments, magnet exciting coil can be in parallel with actuating coil.Owing to adopting, magnet exciting coil is in parallel with actuating coil, the flow direction that magnet exciting coil produces is constant, control the sense of current generating period variation in actuating coil by control system, make the flow direction cyclic variation of actuating coil, therefore can provide continuous electromagnetic torque for rotor.
In some embodiments, the quantity of actuating coil can be two groups, and the direction of winding of two groups of actuating coils is contrary, two groups of actuating coil parallel connections, and magnet exciting coil is connected with two groups of actuating coils.Owing to adopting magnet exciting coil to connect with actuating coil, the flow direction that magnet exciting coil produces is constant, and two groups of actuating coils are connected in turn, and therefore the magnetic flux that the generation cycle changes can provide continuous electromagnetic torque for rotor.
In some embodiments, control system comprises control chip, the position transducer be connected with control chip and switch, and described switch is connected with actuating coil, and described position transducer is connected with rotating shaft.Owing to determining the position relationship of stator tooth and rotor with salient pole by position transducer, and change the magnetic flux direction of actuating coil by by-pass cock, and then make the electromagnetic torque that can obtain continous-stable on rotor.Therefore a kind of Novel single-phase brushless motor of the present invention have advantages of that the stability of operation is strong, high efficiency and reliability strong.
In some embodiments, position transducer can comprise magnet ring and the Hall element be complementary with magnet ring, this magnet ring and rotating shaft socket, and Hall element is fixed on housing, and this Hall element is electrically connected to control chip.Owing to coordinating with the magnet ring on being socketed in rotating shaft by Hall element, can accurately obtain the position relationship of rotor with salient pole and stator tooth, and the signal of this position relationship is sent on control chip, thereby complete accurately the control to actuating coil, so a kind of Novel single-phase brushless motor of the present invention has advantages of that the stability of operation is strong and reliability is strong.
The accompanying drawing explanation
The structural representation that Fig. 1 is a kind of execution mode of a kind of Novel single-phase brushless motor of the present invention;
The structural representation that Fig. 2 is another visual angle of a kind of Novel single-phase brushless motor in Fig. 1;
The schematic diagram that Fig. 3 is a kind of operating state of a kind of Novel single-phase brushless motor of the present invention;
The schematic diagram that Fig. 4 is the another kind of operating state of a kind of Novel single-phase brushless motor of the present invention;
A kind of winding mode figure that Fig. 5 is a kind of Novel single-phase brushless motor of the present invention;
The magnet exciting coil that Fig. 6 is a kind of Novel single-phase brushless motor in Fig. 5 and the connected mode figure of actuating coil;
The another kind of winding mode figure that Fig. 7 is a kind of Novel single-phase brushless motor of the present invention;
The magnet exciting coil that Fig. 8 is a kind of Novel single-phase brushless motor in Fig. 7 and the connected mode figure of actuating coil;
The control system schematic diagram that Fig. 9 is a kind of Novel single-phase brushless motor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 and Fig. 2 have schematically provided an embodiment of a kind of Novel single-phase brushless motor of the present invention, the rotor core 3 that comprises stator core 2 that housing 1 and housing 1 be fixedly linked, is complementary with stator core 2, with rotating shaft 4, the control system 5 of rotor core 3 sockets, its shaft 4 is flexibly connected by bearing 6 with housing 1, be provided with snap ring 7 in rotating shaft 4, snap ring 7 is cirque structure, snap ring 7 and rotating shaft 4 sockets, snap ring 7 is fixedly connected with rotating shaft 4.Snap ring 7 is complementary with the width of bearing 4 to the distance of inner walls, and snap ring 7 housings 1 coordinate and can position bearing 6, the stability while guaranteeing bearing 6 operation.
Be provided with equably four rotor with salient pole 31 on rotor core 3, the end of rotor with salient pole 31 is arc, and the end of rotor with salient pole 31 is provided with breach 311, and the lateral deviation that breach 311 closes on rotor with salient pole 31 centers is 10 ° from the angle β of rotor with salient pole 31 machine center lines.
Winding mode figure with reference to a kind of Novel single-phase brushless motor of the present invention in Fig. 5 and Fig. 7.The known root at adjacent described magnetic pole of the stator 21 is wound with magnet exciting coil 22 and actuating coil 23 by the mode compartment of terrain of span winding, the number of magnetic poles that magnet exciting coil 22 and actuating coil 23 produce equals the number of teeth of stator tooth 21, the direction of winding of adjacent described magnet exciting coil 22 is contrary, and the direction of winding of adjacent described actuating coil 23 is contrary.In figure, the root of 21a and 21h, 21b and 21c, 21d and 21e, 21f and 21g stator tooth 21 around be magnet exciting coil 22,21a and 21h and magnet exciting coil 22 on 21b and 21c, 21f and 21g stator tooth 21 around to contrary wherein, 21d and 21e and magnet exciting coil 22 on 21b and 21c, 21f and 21g stator tooth 21 around to contrary, the opposite direction of the magnetic flux that adjacent magnet exciting coil 22 produces.The root of 21a and 21b, 21c and 21d, 21e and 21f, 21g and 21h stator tooth 21 around be actuating coil 23,21a and 21b and actuating coil 23 on 21c and 21d, 21g and 21h stator tooth 21 around to contrary wherein, 21e and 21f and actuating coil 23 on 21c and 21d, 21g and 21h stator tooth 21 around to contrary, the opposite direction of the magnetic flux that adjacent actuating coil 23 produces.
Fig. 5 and Fig. 6 have provided a kind of winding mode figure on the stator tooth 21 of a kind of Novel single-phase brushless motor of the present invention and the connected mode figure of corresponding magnet exciting coil and actuating coil.As figure shows, on stator tooth 21, during around magnet exciting coil 22, adopt the mode of span winding, first on 21a, 21h stator tooth 21 in the counterclockwise direction around copper cash; After complete, then on 21f, 21g stator tooth 21 along clockwise direction around copper cash; After complete, then on 21d, 21e stator tooth 21 in the counterclockwise direction around copper cash; Finally suitable counterclockwise around copper cash on 21b, 21c stator tooth 21 again.All magnet exciting coils 22 only have one group of corresponding both positive and negative polarity terminals A and B.The same, actuating coil 23 is also to adopt this winding mode.Compartment of terrain is around between adjacent magnet exciting coil 23, and the quantity of actuating coil 23 is two groups, and the winding mode of two groups of actuating coils 23 is identical.Two groups of actuating coils 23 have two groups of corresponding both positive and negative polarity terminals C and D and E and F.The access opposite direction of the electric current of two groups of actuating coils 23, the opposite direction of the magnetic flux that two groups of actuating coils on identical stator tooth 21 23 produce.Two groups of actuating coils 23 respectively with corresponding switch 53(m, n) by wire, be connected, two groups of actuating coil 23 parallel connections.Magnet exciting coil 22 is connected with two groups of actuating coils 23.In the course of the work, magnet exciting coil 22 is always in running order, and in Fig. 5, existence always and the direction of the magnetic flux of the magnet exciting coil 22 on 21a and 21h, 21b and 21c, 21d and 21e, 21f and 21g stator tooth 21 remain unchanged.The m be connected with two groups of actuating coils 23 respectively, n switch 53 open and close alternately under the control of position transducer 52 and control chip 51, making in Fig. 5 on 21a and 21b, 21c and 21d, 21e and 21f, 21g and 21h stator tooth 21 is that the magnetic flux of actuating coil 23 periodically changes.
Fig. 7 and Fig. 8 have provided another kind of winding mode figure on the stator tooth 21 of a kind of Novel single-phase brushless motor of the present invention and the connected mode figure of corresponding magnet exciting coil and actuating coil.As figure shows, the winding mode of magnet exciting coil 22 and actuating coil 23 is identical with the winding mode in Fig. 5, but 23 of actuating coils are provided with one group.Be that magnet exciting coil 22 only has one group of corresponding both positive and negative polarity terminals A and B, actuating coil 23 only has one group of corresponding both positive and negative polarity terminals C and D.Magnet exciting coil 22 is in parallel with actuating coil 23.The left end C of actuating coil 23 is respectively at switch 53(w, y) be connected, the right-hand member D of actuating coil 23 is respectively at switch 53(x, z), wherein w, z switch 53 are connected simultaneously, x, y switch 53 are connected simultaneously, and alternately connect between them, meet equally in the work engineering, existence always and the direction of the magnetic flux produced in magnet exciting coil 22 remain unchanged, the magnetic flux generating period variation that actuating coil 23 produces.
With reference to Fig. 1 and Fig. 9: control system 5 comprises control chip 51, the position transducer 52 be connected with control chip 51 and switch 53.Control chip 51 adopts is the motor control chip that model that east, Shenzhen crane microelectronics firm provides is L298N.Switch 53 is connected by wire with actuating coil 23, switch 53 is MOSFET (metal-oxide half field effect transistor), by the adjusting of control chip 51, can realize that the periodicity of respective switch 53 switches on and off, periodically regulate the magnetic flux direction of actuating coil 23 on corresponding stator tooth 21.Position transducer 52 comprises magnet ring 521 and the Hall element 522 be complementary with magnet ring 521, its middle magnetic ring 521 is cirque structure, magnet ring 521 and rotating shaft 4 sockets, magnet ring 521 is fixed in rotating shaft 4, the Hall element that the model that Hall element 522 provides for Shenzhen Shuan Jielong Electronics Co., Ltd. is DN6851, Hall element 522 is fixed on housing 1, and Hall element 522 is connected by wire with control chip 51.Hall element 522 coordinates with magnet ring 521 by the position of feedback rotor with salient pole 31, and this position signalling is transferred to control chip 51, control chip 51 is regulated the on-state of respective switch 53, thereby change actuating coil 23 magnetic flux direction on corresponding stator tooth 21, reach and change a kind of Novel single-phase brushless motor of the present invention electromagnetism distribution situation, for rotor provides the purpose of lasting electromagnetic torque.
Fig. 6 is connected with control chip 51 with the switch 53 in Fig. 8, and the position signalling that control chip 51 transmits by position transducer 52 is controlled the connected state of respective switch 53.The magnet exciting coil 22 of serial or parallel connection directly is connected with power supply with the circuit that actuating coil 23 forms.
With reference to the Novel single-phase brushless motor in Fig. 2 to Fig. 4, when rotor with salient pole 31 aligns with the pole shoe tip 211 of 21b stator tooth 21 and the side of breach 311 during with position between the pole shoe tip 211 of 21a stator tooth 21 aligns at the side of breach 311, in the time of between the state shown in Fig. 3 and Fig. 4, as Fig. 2 rotor salient pole 31 residing positions, now Hall element 522 coordinates with the magnet ring 521 on being fixed on rotating shaft 4, the residing position of inductiopn rotor salient pole 31 accurately, and position signalling is transferred to control chip 51, control chip 51 is adjusted respective switch 53 and is made the magnetic flux direction of 21a and 22 generations of magnet exciting coil on 21h stator tooth 21 corresponding with the direction of the magnetic flux of 23 generations of actuating coil on 21g and 21h stator tooth 21, it is the magnetic induction line loop that can produce a closure between them.The direction of the magnetic flux that 21b produces with magnet exciting coil 22 on 21a and 21b stator tooth 21,21d and 21e stator tooth 21 and 21c and 21d stator tooth 21,21f and 21g stator tooth 21 and 21e and 21f stator tooth 21 and actuating coil 23 with 21c stator tooth 21 simultaneously is corresponding, now rotor core 3 will obtain clockwise electromagnetic torque, makes rotor core 3 clockwise rotate.When side that rotor with salient pole 31 turns to the breach 311 on rotor with salient pole 31 with before the pole shoe tip 211 of 21a stator tooth 21 is corresponding, be before the state shown in Fig. 4 the time, the same, Hall element 522 by signal feedback to control chip 51, control chip 51 by-pass cockes 53, make the magnetic flux direction produced on actuating coil 23 change, due to the effect of the residual magnetism produced in inertia and actuating coil 23, rotor with salient pole 31 can be rotated further, and reaches and crosses the state shown in Fig. 4.Meanwhile, under the control of control chip 51, the direction of the magnetic flux produced on actuating coil 23 changes, the direction of the magnetic flux that now 21a produces with magnet exciting coil 22 on 21a and 21b stator tooth 21,21b and 21c stator tooth 21 and 21c and 21d stator tooth 21,21d and 21e stator tooth 21 and 21e and 21f stator tooth 21,21f and 21g stator tooth 21 and 21g and 21h stator tooth 21 and actuating coil 23 with 21h stator tooth 21 is corresponding, makes rotor 3 obtain clockwise electromagnetic torque.So the every rotation of rotor core 3 is 1/8 week, as the state of Fig. 3 to Fig. 4, control system 5 is controlled actuating coil 23 and is occurred once to change, control by control system 5 the magnetic flux generating period variation that actuating coil 23 produces, make rotor core 3 obtain continuous clockwise electromagnetic torque, rotor core 3 rotates along clockwise direction continuously.
A kind of Novel single-phase brushless motor of the present invention in the course of the work.After switching on power, will produce magnetic field on stator tooth 21, because the end of rotor with salient pole 31 is provided with breach 311, the magnetic resistance in the zone of these breach 311 correspondences is greater than the magnetic resistance in the zone of other part correspondence on rotor with salient pole 31, make like this electromagnetic torque that obtains magnetic resistance character on rotor core 3, rotor core 3 starts to rotate towards establishing a side jaggy, and rotor core 3 rotates and will drive rotating shaft 4 rotations.
After rotating shaft 4 is rotated, the magnet ring 521 be fixedly connected with rotating shaft 4 will coordinate with Hall element 522, obtain stator tooth 21 and rotor with salient pole 31 position relationships, and corresponding signal is passed to control chip 51, control chip 51 is by regulating the on off state of respective switch 53, the suitable magnetic flux that will make actuating coil 23 produce, under the effect of the total magnetic flux produced at magnet exciting coil 22 and actuating coil 23, rotor core 3 can obtain electromagnetic torque and be rotated further.In the engineering of rotating at rotor core 3, the continuous generating period variation of direction of the magnetic flux that actuating coil 23 produces, for rotor core 3 provides continuous electromagnetic torque, make rotating shaft 4 rotate continuously together with rotor core 3.
The invention is not restricted to stator tooth 21 is eight, and rotor with salient pole 31 is four.The quantity that meets rotor with salient pole 31 is even number, and the twice of the quantity of stator tooth 21 quantity that is rotor with salient pole 31 all belongs to protection scope of the present invention.As the quantity of stator tooth 21 is four, the quantity of rotor with salient pole 31 is two; The quantity of stator tooth 21 is 16, and the quantity of rotor with salient pole 31 is eight etc.
The lateral deviation that the breach 311 of rotor with salient pole 31 ends closes on rotor with salient pole 31 centers is 5 °～15 ° from the angle β of rotor with salient pole 31 machine center lines.When the quantity of rotor with salient pole 31 is lacked, need to design greatlyr by β, while as the quantity when rotor with salient pole 31, being two, β can be made as to 15 °.When the quantity of rotor with salient pole 31 is many, can design littlely by β, while as the quantity when rotor with salient pole 31, being eight, β can be made as to 5 °.
The width of the end of rotor with salient pole 31 is not necessarily identical with the width of the end of stator tooth 21, can adjust as required their width.As optimal way, by the width design of the end of rotor with salient pole 31, be identical with the width of the end of stator tooth 21, can make through the magnetic flux of rotor with salient pole 31 greatly, so the electromagnetic torque obtained on rotor core 3 also can increase.
A kind of Novel single-phase brushless motor of the present invention can only rotate around the direction of breach 311, in order to increase the scope of application of this this Novel single-phase brushless motor, the two ends of rotating shaft 4 all can be extended to the outside of housing 1, so just can, for load provides two-way rotation, adapt to more use occasion.
Be below only one embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. a Novel single-phase brushless motor, wherein, comprise housing (1), the stator core (2) be fixedly linked with housing (1), the rotor core (3) be complementary with stator core (2), rotating shaft (4) with rotor core (3) socket, control system (5), described rotating shaft (4) is flexibly connected with housing (1), be provided with equably even number rotor with salient pole (31) on described rotor core (3), the end of described rotor with salient pole (31) is provided with breach (311), described stator core (2) is provided with stator tooth (21), the quantity of described stator tooth (21) is the twice of rotor with salient pole (31), the root of adjacent described stator tooth (21) is wound with magnet exciting coil (22) and actuating coil (23) by the mode compartment of terrain of span winding, the number of magnetic poles that described magnet exciting coil (22) and actuating coil (23) produce equals the number of teeth of stator tooth (21), the direction of winding of adjacent described magnet exciting coil (22) is contrary, the direction of winding of adjacent described actuating coil (23) is contrary, described magnet exciting coil (22) is connected with actuating coil (23), described actuating coil (23) is connected with control system (5), the direction of the magnetic flux that described control system (5) control actuating coil (23) produces is corresponding with the direction of the magnetic flux that corresponding magnet exciting coil (22) produces.
2. a kind of Novel single-phase brushless motor according to claim 1, wherein, the lateral deviation that described breach (311) closes on rotor with salient pole (31) center is 5 °～15 ° from the angle of rotor with salient pole (31) machine center line.
3. a kind of Novel single-phase brushless motor according to claim 1, wherein, described stator tooth (21) is the T shape structure that end is arc.
4. a kind of Novel single-phase brushless motor according to claim 3, wherein, the end of described rotor with salient pole (31) is arc, the radian of described rotor with salient pole (31) end is identical with the radian of the end of stator tooth (21).
5. a kind of Novel single-phase brushless motor according to claim 4, wherein, the width of the end of described rotor with salient pole (31) is identical with the width of the end of stator tooth (21).
6. a kind of Novel single-phase brushless motor according to claim 1, wherein, described rotating shaft (4) is connected by bearing (6) with housing (1), and described rotating shaft (4) is provided with the snap ring (7) be complementary with bearing (6).
7. a kind of Novel single-phase brushless motor according to claim 1, wherein, described magnet exciting coil (22) is in parallel with actuating coil (23).
8. a kind of Novel single-phase brushless motor according to claim 1, wherein, the quantity of described actuating coil (23) is two groups, the opposite direction of the magnetic flux that described two groups of actuating coils (23) produce, described two groups of actuating coils (23) parallel connection, described magnet exciting coil (22) is connected with two groups of actuating coils (23).
9. according to the described a kind of Novel single-phase brushless motor of claim 1～8 any one, wherein, described control system (5) comprises control chip (51), the position transducer (52) be connected with control chip (51) and switch (53), described switch (53) is connected with actuating coil (23), and described position transducer (52) is connected with rotating shaft (4).
10. a kind of Novel single-phase brushless motor according to claim 9, wherein, described position transducer (52) comprises magnet ring (521) and the Hall element (522) be complementary with magnet ring (521), described magnet ring (521) and rotating shaft (4) socket, it is upper that described Hall element (522) is fixed on housing (1), and described Hall element (522) is electrically connected to control chip (51).
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| CN201310410706.0A CN103475115B (en) | 2013-09-10 | 2013-09-10 | A kind of Novel single-phase brushless motor |
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| CN201310410706.0A CN103475115B (en) | 2013-09-10 | 2013-09-10 | A kind of Novel single-phase brushless motor |
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| CN103475115B CN103475115B (en) | 2015-07-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240968A (en) * | 2016-04-04 | 2017-10-10 | 深圳华引动力科技有限公司 | A kind of stator core of the single-phase winding of band |
| CN108206617A (en) * | 2018-01-12 | 2018-06-26 | 深圳市仓兴达科技有限公司 | A kind of motor of miniature reciprocating rotation |
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| CN1487652A (en) * | 2002-10-01 | 2004-04-07 | Lg������ʽ���� | Single-machine motor |
| EP2006978A2 (en) * | 2007-06-19 | 2008-12-24 | Hitachi, Ltd. | Rotating electrical machine |
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| JPH05252675A (en) * | 1991-12-24 | 1993-09-28 | General Electric Co <Ge> | Generator and method for improving operating characteristics of generator |
| CN2288546Y (en) * | 1996-09-09 | 1998-08-19 | 孙学政 | Mechanical reluctance communator electric machine |
| CN2504817Y (en) * | 2001-08-27 | 2002-08-07 | 珠海市祥宝电机厂有限公司 | Single-phase brushless d.c. dynamo |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107240968A (en) * | 2016-04-04 | 2017-10-10 | 深圳华引动力科技有限公司 | A kind of stator core of the single-phase winding of band |
| CN108206617A (en) * | 2018-01-12 | 2018-06-26 | 深圳市仓兴达科技有限公司 | A kind of motor of miniature reciprocating rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103475115B (en) | 2015-07-29 |
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