CN105245079A - Electromagnetic motor without brush - Google Patents
Electromagnetic motor without brush Download PDFInfo
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- CN105245079A CN105245079A CN201510718594.4A CN201510718594A CN105245079A CN 105245079 A CN105245079 A CN 105245079A CN 201510718594 A CN201510718594 A CN 201510718594A CN 105245079 A CN105245079 A CN 105245079A
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Abstract
The invention brings forward an electromagnetic motor without a brush, for solving the problem of difficulty in facilitating motor miniaturization due to complicated motor manufacturing in the prior art. The electromagnetic motor without the brush comprises a stator and a rotor each provided with a winding, at least one of the windings is prepared by a printed circuit, the printed circuit is manufactured on a printed circuit board (PCB) or a flexible printed circuit board (FPC), the PCB or the FPC is composed of one layer or more than two layers of circuits, and a printed line on the PCB or the FPC employs an axial multilayer superposed planar spiral coiling mode, and/or a radial multilayer nested stereo spiral coiling mode, and/or an end portion welded planar arrangement mode. According to the invention, the printed circuit is taken as a winding, the man hour and copper materials consumed for coiling the windings by use of copper wires are saved, accurate line design can be realized, and miniaturization of the electromagnetic motor is facilitated.
Description
Technical field
The present invention relates to technical field of motors, refer to a kind of electromagnetic machine not with brush especially.
Background technology
Electromagnetic machine has abundant kind, but usually all there is stators and rotators, the parts moved in motor are called rotor, parts relatively-stationary in motor are become stator, can divide according to the kind of different characteristics to motor, such as, according to drive current, direct current machine and alternating current machine can be divided into, according to the structure of stators and rotators, axial direction electric machine and disc type electric machine can be divided into, according to excitation mode, the band motor of excitation winding and the motor not with excitation winding can be divided into, according to the forms of motion of rotor, electric rotating machine and linear electric motors can be divided into, wherein the rotor of electric rotating machine is also called rotor, above-mentioned different qualities can superpose existence, produce the motor of various different shape.Winding in conventional motors adopts copper wire winding to form usually, and for ensureing the consistency of coiling, sometimes use special spooling equipment to carry out coiling, this makes conventional motors be difficult to enter some application, such as micromachine field.In these fields, the motor of development place other types replaces electromagnetic machine, but the motor produced also has limitation, and operating voltage is high, and the consistency of making is bad, works under resonance mode, and production efficiency is not high.
Summary of the invention
The present invention proposes a kind of electromagnetic machine not with brush, solves motor in prior art and makes numerous and diverse and then be unfavorable for the problem of motor miniaturization.
Technical scheme of the present invention is achieved in that a kind of electromagnetic machine not with brush, comprise the stators and rotators being equipped with winding, described at least one, winding is made up of printed circuit, described printed circuit makes and printing board PCB or flexible printed circuit board FPC, described PCB or FPC is made up of one deck or two-layer above circuit, printed wire on described PCB or FPC adopts the snail winding mode of axial multilayer overlap, and/or the three-dimensional spiral winding mode that radial multilayer is nested, and/or the floor plan mode of welding edges.
As preferred technical scheme, described motor is axial direction electric machine.
As preferred technical scheme, described axial direction electric machine is also provided with magnetic pole and the winding of disc type electric machine on an end face of stator and/or rotor; Or, two end faces of stator and/or rotor are also provided with magnetic pole and the winding of disc type electric machine.
As preferred technical scheme, the magnetic pole of the stator of described axial direction electric machine and winding in a circumferential direction by the magnetic pole of rotor and winding surround.
As preferred technical scheme, described motor is disc type electric machine.
As preferred technical scheme, stator and/or the rotor of described disc type electric machine have hollow structure, and stator sleeve is located at outside rotor, or rotor is set in outside stator.
As preferred technical scheme, the stator of described disc type electric machine or whole windings of rotor are printed on a monoblock circuit board, or whole windings of stators and rotators are printed on a monoblock circuit board respectively.
As preferred technical scheme, the magnetic pole of described stator or rotor is made up of integral method, and on described circuit board, the inside of each winding has through hole, for embedding corresponding magnetic pole.
The present invention uses printed circuit as winding, not only saves the man-hour with copper wire winding winding and copper product, and can realize accurate line design, be conducive to the miniaturization of electromagnetic machine.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the stators and rotators cross section structure schematic diagram of a kind of axial direction electric machine of the present invention;
Fig. 2 is the winding mode schematic diagram of a kind of 4 layer printed circuits of the present invention;
Fig. 3 is the winding mode schematic diagram of another kind of 4 layer printed circuits of the present invention;
Fig. 4 is the floor plan mode schematic diagram of a kind of printed circuit of the present invention;
Fig. 5 is the disc type electric machine structural representation of embodiment 1;
Fig. 6 is the magnetic pole strength schematic diagram of embodiment 1 rotor;
Fig. 7 is the stators and rotators end view of the disc type electric machine of embodiment 2;
Fig. 8 is the magnetic core of stators and rotators in embodiment 2 and the combination schematic diagram of PCB or FPC winding;
Fig. 9 is the combined type motor stators and rotators end view of embodiment 3;
Figure 10 is the magnetic core of stator faces in embodiment 3 and the combination schematic diagram of PCB or FPC winding.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Printed circuit that the present invention becomes can be made in hardboard, such as printed circuit PCB, also can be made in soft board FPC, such as flexible printed circuit board.Each block PCB or FPC can have individual layer circuit, and also can be made up of two-layer above circuit, employing multilayer circuit significantly can compress the space shared by winding, reduces wire rod cost, reduces resistance loss, reduces heating.
A winding can be realized by one piece of PCB or FPC, also can be realized by more than two pieces PCB or FPC or mixing, based on the printed circuit manufacturing technology of maturation, can arrange according to the structure of predetermined coil structure to printed circuit, in the mode of overall (one piece of PCB or FPC) or polylith assembled (end needs the circuit connected to weld) to realize required winding.As Fig. 2, Fig. 3 and Fig. 4, give several typical printed circuit arrangement mode, in figure, arrow is the sense of current of example, one of ordinary skill in the art will readily recognize that arrangement and or the erection method of the structure respective design printed circuit that can need according to winding.Wherein, the snail winding mode of axial multilayer overlap has been shown in Fig. 2, first carry out spiral coiling at individual layer then to enter another layer by perforation and proceed spiral coiling, each helical layer circuit can be PCB or FPC of one piece of individual layer, also can be the one deck in multi-layer PCB or FPC, interlayer be connected by conductive through hole.The three-dimensional spiral winding mode that radial multilayer is nested is shown in Fig. 3, first in different helical layer coilings, then has carried out three-dimensional spiral coiling from inside to outside, can be considered the nested of the vertical coil of multiple different-diameter.A kind of floor plan mode of printed circuit has been shown in Fig. 4, FPC is adopted to make, one group of spiral coiling can be formed according to the end of FPC being carried out shown in dotted line welding, in Fig. 4, the arrangement of printed circuit is also applicable to PCB, but because PCB is not bent, therefore need more than two pieces PCB to carry out splicing to form spiral coiling, in Fig. 4, illustrate only one deck line arrangement, also by multilayer, wielding neck can be carried out respectively.
In Fig. 1, winding 103 can adopt various applicable printed wire to make, the FPC in Fig. 4 such as can be adopted to make, one or more FPC is inserted in coil groove, after walking around position corresponding to stator 11 (or rotor 12), welding edges can be obtained together the winding of needs, this method for winding processing is simple, cost is low and more light and handy, therefore loss is also little, due to the scrambling of coil groove, polylith PCB or FPC can be used to make full use of space, in addition, employing multilayer or many FPC are also conducive to the number of turn increasing coil.In actual production, for being conducive to dispelling the heat and winding fixing, can also be that PCB or FPC makes heat radiation and wrap up.
When space structure allows, whole windings of stator (or rotor) can be printed on monolithic PCB or FPC, to obtain compacter and economic motor, part for printed circuit on PCB or FPC can carry out retaining or perforate as required, so that the sign structure of stator or rotor coordinates, specifically can design according to actual needs.
The winding served as by printed circuit, can install required circuit connecting mode and connect after being drawn from PCB or FPC by circuit, can be similar with the connected mode of the winding of traditional copper wire coiling.Therefore, traditional interchange or DC driven mode can be adopted according to motor of the present invention, also can adopt Stepping Drive Mode.Usually, the motion control of stepping motor realizes by replacing the polarity changing magnetic pole, one step of motor corresponds to the position of a magnetic pole, general minimum step precision is a step or half step, according to motor of the present invention because winding adopts PCB or FPC to make, therefore a lot of control chips can be integrated on PCB or FPC, and this greatly facilitates the control realization of stepping motor.
Be illustrated according to electromagnetic machine of the present invention below by way of specific embodiment.Wherein relate to the aforementioned content described in detail, such as optional winding mode etc. will repeat no more.
Embodiment 1
A kind of embodiment according to electromagnetic machine of the present invention can, with reference to figure 5 or Fig. 6, be a kind of disc type electric machine, and comprise stator 101 and rotor 102, its stators and rotators has hollow structure, and rotor is set in outside stator.Concrete structure is, stator 101 shows as the abutment sleeve of hollow, be fixed on substrate 104 (being PCB or FPC of printing stator winding in the present embodiment), at least one pair of rotor magnetic pole 1022 is arranged on the bottom of rotor, substrate 104 is printed with at least two stator winding (such as adopting winding mode as shown in Figure 2 or Figure 3) 1013.Rotor is set in outside abutment sleeve, can rotate around abutment sleeve; Rotor can be a pure iron core, in this case, the magnetic pole 1022 of rotor is arranged on nonmagnetic substance surface or embeds wherein, magnetic pole need not give prominence to end face, by increasing a case, the end face of magnetic pole and case is caved in even slightly, when exchanging or DC motor to stator winding supply according to certain rules, between stator winding and rotor magnetic pole, magnetic field is selected in generation one, this magnetic field is rotated together by magnetic pole rotor of staying.
In the present embodiment, whole windings of stator are printed on a monoblock PCB or FPC, make the compact overall structure of motor, and rotor is set in outside stator, form hollow tube-in-tube structure, at some special dimension, such as optical field has very large using value, can be used for case such as set of lenses.
Embodiment 2
Another kind of execution mode according to electromagnetic machine of the present invention can with reference to figure 7 box Fig. 8, for a kind of disc type electric machine, comprise stator 201 box rotor 202, compared with embodiment 1, the main distinction is that rotor has the rotor windings 2023 as excitation winding, concrete structure comprises, rotor sleeve 2021 is set in stator sleeve 2011, stator substrate 204 is also provided with two stator electrodes (conducting ring) 2014, two rotor electrodes (conductive spring leaf) 2024 are arranged on rotor substrate (being PCB or FPC of rotor windings 2023 in embodiments of the present invention) 205, be respectively used to keep being electrically connected with two conducting rings in rotary course.Stator 201 can be powered to rotor windings by conducting ring and conductive spring leaf.
In the present embodiment, rotor end-face contacts with stator faces, and rotor magnetic pole 2022 is short in rotor end-face a little, and the size of magnetic pole of the stator 2012 is greater than the hole that rotor magnetic pole depression produces, and like this, when rotor end-face slips over magnetic pole, can not produce and collide with.
For ease of measuring the position of rotor accurately to control, also rotor magnetic pole 2022 being used as Hall magnet ring in the present embodiment, stator arranging hall sensing device 206, to measure the position of rotor.
For obtaining compact electric machine structure, the inside that in the present embodiment, whole windings 2013 of stator and whole windings 2023 of rotor are printed on (i.e. substrate 204 and substrate 205) on a monoblock circuit board upper each winding respectively has through hole, for embedding corresponding magnetic pole, as shown in Figure 8, in other embodiments, the winding of one of stator or rotor can be made by one piece of PCB or FPC, or, only adopt integral method to make to the magnetic core of one of stator or rotor.
Embodiment 3
Another kind of execution mode according to electromagnetic machine of the present invention can with reference to figure 9 and Figure 10, for a kind of combined type motor based on axial direction electric machine, the winding 303 of the axial direction electric machine comprising stator 301 and rotor 302 (the stator box rotor magnetic pole of axial direction electric machine is not shown) and realize with PCB or FPC, it is also provided with the magnetic pole box winding of disc type electric machine on an end face of stator and/or rotor.
Magnetic pole and the winding of alleged disc type electric machine comprise the magnetic pole of the stator box winding of disc type electric machine and the rotor magnetic pole box winding of disc type electric machine.With reference to Figure 10, the magnetic pole of the stator 3012 of disc type electric machine can be made up of integral method on the end face of stator, also can install separately.The rotor magnetic pole of disc type electric machine can integrate with the rotor magnetic pole of axial direction electric machine, also can be separated with the rotor magnetic pole magnetic circuit of axial direction electric machine, adopt the rotor magnetic pole 3022 of the disc type electric machine of separate mode, also can install separately, its magnetic circuit can be connected with the magnetic circuit of the rotor magnetic pole of axial direction electric machine, also can be mutually isolated.
With similar in embodiment 2, the winding of end face motor, such as, stator winding 3013 in Figure 10, can be printed on a monoblock PCB or FPC substrate 304, the inside of each winding has through hole, for embedding corresponding magnetic pole of the stator 3012, if the rotor of end face motor has rotor windings, also can adopt similar mode to realize.
Better play a role to make end face motor, in the present embodiment, adopt stator in internal rotor structure outside, namely the magnetic pole box winding of stator in a circumferential direction by the magnetic pole of rotor and winding surround, this structure makes the diameter of rotor increase, thus increases the effective area of end face motor, and then increases the energy density of combined type motor, in other embodiments, traditional stator can also be adopted at external rotor in interior structure.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the electromagnetic machine not with brush, comprises the stators and rotators being equipped with winding, it is characterized in that:
Described at least one, winding is made up of printed circuit, described printed circuit makes and printing board PCB or flexible printed circuit board FPC, described PCB or FPC is made up of one deck or two-layer above circuit, printed wire on described PCB or FPC adopts the snail winding mode of axial multilayer overlap, and/or the three-dimensional spiral winding mode that radial multilayer is nested, and/or the floor plan mode of welding edges.
2. a kind of electromagnetic machine not with brush as claimed in claim 1, is characterized in that:
Described motor is axial direction electric machine.
3. a kind of electromagnetic machine not with brush as claimed in claim 2, is characterized in that:
Described axial direction electric machine is also provided with magnetic pole and the winding of disc type electric machine on an end face of stator and/or rotor; Or, two end faces of stator and/or rotor are also provided with magnetic pole and the winding of disc type electric machine.
4. a kind of electromagnetic machine not with brush as claimed in claim 3, is characterized in that:
The magnetic pole of the stator of described axial direction electric machine and winding in a circumferential direction by the magnetic pole of rotor and winding surround.
5. a kind of electromagnetic machine not with brush as claimed in claim 1, is characterized in that:
Described motor is disc type electric machine.
6. a kind of electromagnetic machine not with brush as claimed in claim 5, is characterized in that:
Stator and/or the rotor of described disc type electric machine have hollow structure, and stator sleeve is located at outside rotor, or rotor is set in outside stator.
7. a kind of electromagnetic machine not with brush as claimed in claim 6, is characterized in that:
The stator of described disc type electric machine or whole windings of rotor are printed on a monoblock circuit board, or whole windings of stators and rotators are printed on a monoblock circuit board respectively.
8. a kind of electromagnetic machine not with brush as claimed in claim 7, is characterized in that:
The magnetic pole of described stator or rotor is made up of integral method, and on described circuit board, the inside of each winding has through hole, for embedding corresponding magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510718594.4A CN105245079A (en) | 2015-10-27 | 2015-10-27 | Electromagnetic motor without brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510718594.4A CN105245079A (en) | 2015-10-27 | 2015-10-27 | Electromagnetic motor without brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105245079A true CN105245079A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510718594.4A Pending CN105245079A (en) | 2015-10-27 | 2015-10-27 | Electromagnetic motor without brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105245079A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300856A (en) * | 2016-08-31 | 2017-01-04 | 长沙益高汽车有限公司 | A kind of magneto multilayer board motor |
| CN108475960A (en) * | 2017-03-29 | 2018-08-31 | 深圳市大疆创新科技有限公司 | Hollow motor, driving device, laser measuring device for measuring and mobile platform |
| US10554097B2 (en) | 2017-03-29 | 2020-02-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| US11777376B2 (en) | 2021-01-07 | 2023-10-03 | Kohler Co. | Reluctance sensor for detection of position of a rotor in an electric machine |
| GB2613735B (en) * | 2018-07-10 | 2023-11-22 | Infinitum Electric Inc | System and apparatus for axial field rotary energy device |
Citations (4)
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| CN2362413Y (en) * | 1997-09-26 | 2000-02-09 | 杭州司迈特电器有限公司 | Drinking water preparation implement |
| CN102130563A (en) * | 2011-03-01 | 2011-07-20 | 刘行 | Disc type permanent magnet motor comprising winding in printed circuit board structure |
| EP2814143A2 (en) * | 2013-06-14 | 2014-12-17 | Hamilton Sundstrand Corporation | Electric motor including a flexible printed circuit board stator |
| CN104716766A (en) * | 2013-12-13 | 2015-06-17 | 博立码杰通讯(深圳)有限公司 | Electromagnetic motor |
-
2015
- 2015-10-27 CN CN201510718594.4A patent/CN105245079A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2362413Y (en) * | 1997-09-26 | 2000-02-09 | 杭州司迈特电器有限公司 | Drinking water preparation implement |
| CN102130563A (en) * | 2011-03-01 | 2011-07-20 | 刘行 | Disc type permanent magnet motor comprising winding in printed circuit board structure |
| EP2814143A2 (en) * | 2013-06-14 | 2014-12-17 | Hamilton Sundstrand Corporation | Electric motor including a flexible printed circuit board stator |
| CN104716766A (en) * | 2013-12-13 | 2015-06-17 | 博立码杰通讯(深圳)有限公司 | Electromagnetic motor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300856A (en) * | 2016-08-31 | 2017-01-04 | 长沙益高汽车有限公司 | A kind of magneto multilayer board motor |
| CN108475960A (en) * | 2017-03-29 | 2018-08-31 | 深圳市大疆创新科技有限公司 | Hollow motor, driving device, laser measuring device for measuring and mobile platform |
| WO2018176294A1 (en) * | 2017-03-29 | 2018-10-04 | 深圳市大疆创新科技有限公司 | Hollow motor, driving device, laser measurement device, and mobile platform |
| US10554097B2 (en) | 2017-03-29 | 2020-02-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| CN108475960B (en) * | 2017-03-29 | 2020-12-15 | 深圳市大疆创新科技有限公司 | Hollow motor, driving device, laser measuring device and mobile platform |
| GB2613735B (en) * | 2018-07-10 | 2023-11-22 | Infinitum Electric Inc | System and apparatus for axial field rotary energy device |
| US11777376B2 (en) | 2021-01-07 | 2023-10-03 | Kohler Co. | Reluctance sensor for detection of position of a rotor in an electric machine |
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Application publication date: 20160113 |
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