CN102237769A - Single-stator planar motor - Google Patents
Single-stator planar motor Download PDFInfo
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- CN102237769A CN102237769A CN2011101007076A CN201110100707A CN102237769A CN 102237769 A CN102237769 A CN 102237769A CN 2011101007076 A CN2011101007076 A CN 2011101007076A CN 201110100707 A CN201110100707 A CN 201110100707A CN 102237769 A CN102237769 A CN 102237769A
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Abstract
The invention discloses a single-stator planar motor, which comprises a motor shell, a bearing, planar stator sheets, permanent magnet blocks, rotor yokes, a right cover plate and a main shaft, wherein the planar stator sheets are respectively fixed on an internal surface of the motor shell or the right cover plate; planar coils are arranged in the planar stator sheets; the permanent magnet blocks are uniformly fixed on the rotor yokes; the magnetism of the two adjacent permanent magnet blocks is opposite; the rotor yokes are fixedly arranged on the main shaft; the motor shell and the right cover plate are respectively arranged on the main shaft by shafts; joints of the permanent magnet blocks and the rotor yokes are arranged between the motor shell and the right cover plate; the motor shell and the right cover plate are fixedly connected; and outgoing leads in the planar coils are connected with a direct current power supply. Under the condition that other parameters are unchanged, a torque output by the motor into which the same current inputs can be doubled. The single-stator planar motor is small in axial size, high in output power and is more applicable to a high-power electric power-assisted vehicle. Compared with the conventional single-phase direct current motor, the single-stator planar motor has the advantages that: under the condition of the same power, 30 to 40 percent of energy can be saved; and an energy-saving effect is obvious.
Description
Technical field:
The present invention relates to a kind of direct current machine, relate in particular to a kind of planar motor.
Background technology:
Enhancing along with fast development of society and people's environmental consciousness, people begin generally to use Moped Scooter as running vehicle, especially two electric bicycles of taking turns just scrunch and can walk fast with strength of one's legs because of need not people, and it is comparatively convenient to charge, and the short distance trip that is particularly suitable in 5～10 kilometers is ridden instead of walk.In recent years, electric bicycle has obtained fast development, the main trip vehicles of samll cities and towns during it has become, obtain the public's approval, however the used storage battery finite capacity of electric bicycle, and aging easily, useful life is not long, generally is no more than 1 year, and poor more to the later stage result of use more.The used motor of electric motor car is common single-phase DC motor, and the axial dimension of motor is bigger, the power consumption height, and the conversion efficiency of electric energy is on the low side, and output torque is limited.The used motor of electric motor car has limited Moped Scooter to be developed to miniaturization, lighting, portability direction.
Summary of the invention:
The purpose of this invention is to provide a kind of single stator planar motor, its axial dimension is with 1/5～1/2 of the common single-phase DC motor of power, produce the required direct current of equal driving torque and only be 1/3～1/2 of existing similar single-phase DC motor, power consumption is low, output torque is big, be particularly suitable as the power to the limited plant equipment of axial dimension such as Moped Scooter, exhaust blower, also can be used as flat generator and use.
The technical solution used in the present invention is as follows:
A kind of single stator planar motor, it is characterized in that: comprise motor casing, bearing, the flat stator sheet, permanent magnets, rotor yoke, right cover plate and main shaft, the flat stator sheet is fixed on the medial surface of motor casing or right cover plate, in the flat stator sheet, be provided with planar coil, permanent magnets circumferentially evenly is fixed on the rotor yoke along rotor yoke, the magnetic of adjacent two permanent magnets is opposite, rotor yoke is fixedly mounted on the main shaft, motor casing and right cover plate respectively by Bearing Installation on main shaft, the combination of permanent magnets and rotor yoke is arranged between motor casing and the right cover plate, motor casing is fixedlyed connected with right cover plate, and the lead of drawing in the planar coil is connected with DC power supply.
Further, be provided with 2～4 layer plane coils in the flat stator sheet, every layer plane coil is that the n circle coil unit by several concentric coilings is in series, n=1～200 wherein, and the quantity of described coil unit is identical with permanent magnets quantity.
Further, the flat shape of described permanent magnets is fan-shaped, fan-shaped angle is 15 °～30 °, is surrounded by external arc, interior circular arc, fan-shaped side and transition arc to form, and all is connected by the transition arc smooth transition with the confluce of fan-shaped side at external arc, interior circular arc.
Further, the flat shape of described permanent magnets is surrounded and is formed by external arc, interior circular arc, side external arc, transition arc, the angle of the line of the two-end-point of external arc and the two-end-point of interior circular arc is 15 °～30 °, external arc is identical with the radius of side external arc, two side external arc are symmetrically distributed, and crossing with external arc and interior circular arc, the junction of two side external arc, external arc and interior circular arcs is connected by the transition arc smooth transition.
Further, on the same circumference of rotor yoke, be fixed with 2～8 through holes equably, in each through hole, inlay a slice permanent magnets.
Owing on the two sides of rotor yoke, all be provided with permanent magnets, the flat stator sheet that is provided with planar coil is fixed on the inner face of left casing or right casing, be fixed with the rotor yoke of permanent magnets and the main shaft formation rotor that fixedly fuses, the magnetic of adjacent two permanent magnets is opposite, like this, under the condition of other parameter constant, feeding the moment of torsion that same current motor exports will double, the little power output of the axial dimension of this single stator planar motor is big, more be applicable on the high-power electric vehicle using motor, compare, under equal power condition with the single-phase DC motor of routine, can save energy 30%～40%, energy-saving effect is remarkable.
Description of drawings:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a kind of distribution schematic diagram of planar coil in the flat stator sheet;
Fig. 3 is the A-A cutaway view among Fig. 2;
Fig. 4, Fig. 5 are the distribution schematic diagram of permanent magnets on rotor yoke;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the another kind of flat shape schematic diagram of permanent magnets.
Among the figure, the 1-motor casing; The 2-bearing; 3-flat stator sheet; The 4-permanent magnets; The 5-rotor yoke; The right cover plate of 6-; The 7-main shaft; The 8-output wheel; The 9-shaft block ring; The 31-planar coil; 32-draws lead; The non-magnetic conduction base material of 33-; The 41-external arc; Circular arc in the 42-; The fan-shaped side of 43-; The 44-transition arc; 45-side external arc.
Embodiment:
Be described in detail below in conjunction with 1～3 pair of the specific embodiment of the present invention of accompanying drawing:
Embodiment 1: a kind of single stator planar motor, comprise motor casing 1, bearing 2, flat stator sheet 3, permanent magnets 4, rotor yoke 5, right cover plate 6, main shaft 7 and output wheel 8, described flat stator sheet 3 by planar coil 31, draw lead 32 and non-magnetic conduction base material 33 is formed, two layer plane coils 31 in non-magnetic conduction base material 33, have been pressed solidly, every layer plane coil 31 is that ten circle ceoncentrically wound coil units in series by six concentric coilings form, and flat stator sheet 3 is fixed on the medial surface of motor casing 1 by the riveted joint mode respectively; On the same circumference of rotor yoke 5, evenly be provided with 6 fixed vias, in each through hole, inlay a slice permanent magnets 4, the magnetic of adjacent two permanent magnets 4 is opposite, rotor yoke 5 is fixedly mounted on the main shaft 7, motor casing 1 and right cover plate 6 are installed on the main shaft 7 by bearing 2 respectively, and be positioned at the both sides of the combination of rotor yoke 5, motor casing 1 is fixedlyed connected with right cover plate 6, the flat shape of permanent magnets 4 is fan-shaped, fan-shaped angle is 15 °～30 °, it is by external arc 41, interior circular arc 42, two fan-shaped sides 43 and transition arc 44 surround and form, in external arc 41, interior circular arc 42 all is connected by transition arc 44 smooth transition with the confluce of two fan-shaped sides 43; The lead 32 of drawing in the planar coil 31 is connected with power supply, and output wheel 8 is fixedly mounted on the output of main shaft 7, carries out axial limiting by shaft block ring 9.
Embodiment 2: difference from Example 1 only is the flat shape of permanent magnets 4, in this example, the flat shape of described permanent magnets 4 is by external arc 41, interior circular arc 42, side external arc 45 and transition arc 44 surround and form, the angle of the line of the two-end-point of the two-end-point of external arc 41 and interior circular arc 42 is 15 °～30 °, external arc 41 is identical with the radius of side external arc 45, two side external arc 45 are symmetrically distributed, and crossing with external arc 41 and interior circular arc 42, two side external arc 45, the junction of external arc 41 and interior circular arc 42 is connected by transition arc 44 smooth transition.
This single stator planar motor both had been fit to single-phase DC, also be applicable to three-phase alternating current, to further improve the power output and the moment of torsion of planar motor, can increase flat stator sheet midplane coil the number of plies, increase the number of turn of the concentric coiling of planar coil unit, increase the magnetic field intensity of permanent magnets.
Claims (5)
1. single stator planar motor, it is characterized in that: comprise motor casing (1), bearing (2), flat stator sheet (3), permanent magnets (4), rotor yoke (5), right cover plate (6) and main shaft (7), flat stator sheet (3) is fixed on the medial surface of motor casing (1) or right cover plate (6), in flat stator sheet (3), be provided with planar coil (31), permanent magnets (4) circumferentially evenly is fixed on the rotor yoke (5) along rotor yoke (5), the magnetic of adjacent two permanent magnets (4) is opposite, rotor yoke (5) is fixedly mounted on the main shaft (7), motor casing (1) and right cover plate (6) are installed on the main shaft (7) by bearing (2) respectively, the combination of permanent magnets (4) and rotor yoke (5) is arranged between motor casing (1) and the right cover plate (6), motor casing (1) is fixedlyed connected with right cover plate (6), and the lead (32) of drawing in the planar coil (31) is connected with DC power supply.
2. according to the described single stator planar motor of claim 1, it is characterized in that: in flat stator sheet (3), be provided with 2～4 layer plane coils (31), every layer plane coil (31) is that the n circle coil unit by several concentric coilings is in series, n=1～200 wherein, the quantity of described coil unit is identical with permanent magnets (4) quantity.
3. according to the described single stator planar motor of claim 1, it is characterized in that: the flat shape of described permanent magnets (4) is fan-shaped, fan-shaped angle is 15 °～30 °, surround by external arc (41), interior circular arc (42), fan-shaped side (43) and transition arc (44) and to form, all be connected with the confluce of fan-shaped side (43) by transition arc (44) smooth transition at external arc (41), interior circular arc (42).
4. according to the described single stator planar motor of claim 1, it is characterized in that: the flat shape of described permanent magnets (4) is by external arc (41), interior circular arc (42), side external arc (45), transition arc (44) surrounds and forms, the angle of the line of the two-end-point of the two-end-point of external arc (41) and interior circular arc (42) is 15 °～30 °, external arc (41) is identical with the radius of side external arc (45), two side external arc (45) are symmetrically distributed, and crossing with external arc (41) and interior circular arc (42), two side external arc (45), the junction of external arc (41) and interior circular arc (42) is connected by transition arc (44) smooth transition.
5. according to the described single stator planar motor of claim 1, it is characterized in that: on the same circumference of rotor yoke (5), be fixed with 2～8 through holes equably, in each through hole, inlay a slice permanent magnets (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101007076A CN102237769A (en) | 2011-04-21 | 2011-04-21 | Single-stator planar motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101007076A CN102237769A (en) | 2011-04-21 | 2011-04-21 | Single-stator planar motor |
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| Publication Number | Publication Date |
|---|---|
| CN102237769A true CN102237769A (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101007076A Pending CN102237769A (en) | 2011-04-21 | 2011-04-21 | Single-stator planar motor |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59216457A (en) * | 1983-05-24 | 1984-12-06 | Ouken Seikou Kk | Coreless motor |
| CN1294441A (en) * | 1999-10-25 | 2001-05-09 | 湖北亿州微特电机有限公司 | Permanent-magnet disk type DC motor without iron core |
| CN201118413Y (en) * | 2007-10-29 | 2008-09-17 | 深圳航天科技创新研究院 | Disk three-phase brushless permanent magnetic DC electromotor |
| JP2009195050A (en) * | 2008-02-15 | 2009-08-27 | Seiko Epson Corp | Motor |
| CN101873021A (en) * | 2010-01-15 | 2010-10-27 | 北京众仁智杰科技发展有限公司 | Axial magnetic field disk motor |
| CN101951106A (en) * | 2010-08-06 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Ultrathin high-power direct current magnetoelectric motor |
| CN202068295U (en) * | 2011-04-21 | 2011-12-07 | 江苏磁源动力科技有限公司 | Single-stator planar motor |
-
2011
- 2011-04-21 CN CN2011101007076A patent/CN102237769A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59216457A (en) * | 1983-05-24 | 1984-12-06 | Ouken Seikou Kk | Coreless motor |
| CN1294441A (en) * | 1999-10-25 | 2001-05-09 | 湖北亿州微特电机有限公司 | Permanent-magnet disk type DC motor without iron core |
| CN201118413Y (en) * | 2007-10-29 | 2008-09-17 | 深圳航天科技创新研究院 | Disk three-phase brushless permanent magnetic DC electromotor |
| JP2009195050A (en) * | 2008-02-15 | 2009-08-27 | Seiko Epson Corp | Motor |
| CN101873021A (en) * | 2010-01-15 | 2010-10-27 | 北京众仁智杰科技发展有限公司 | Axial magnetic field disk motor |
| CN101951106A (en) * | 2010-08-06 | 2011-01-19 | 深圳创维－Rgb电子有限公司 | Ultrathin high-power direct current magnetoelectric motor |
| CN202068295U (en) * | 2011-04-21 | 2011-12-07 | 江苏磁源动力科技有限公司 | Single-stator planar motor |
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Application publication date: 20111109 |