CN106787478A - Based on second section away from unicast winding permanent magnet direct current motor brush localization method - Google Patents
Based on second section away from unicast winding permanent magnet direct current motor brush localization method Download PDFInfo
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- CN106787478A CN106787478A CN201611241309.5A CN201611241309A CN106787478A CN 106787478 A CN106787478 A CN 106787478A CN 201611241309 A CN201611241309 A CN 201611241309A CN 106787478 A CN106787478 A CN 106787478A
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- rotor elements
- brush
- moment
- stator
- magnetic steel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
Abstract
The invention discloses it is a kind of based on second section away from unicast winding permanent magnet direct current motor brush localization method, the described method comprises the following steps：Step one：The rotor elements potential maximum and electric current for choosing unicast winding permanent magnet direct current generator are zero moment, set up the moment expanded view of magnetic steel of stator, rotor elements and the commutator segment at the moment, the all of rotor elements that the axis of rotor elements overlaps with each magnetic steel of stator axis are determined in moment expanded view, each the rotor elements top side in all of rotor elements and distal edge are connected with two commutator segments respectively；Step 2：Determine each second section away from center line, midline position is the installation site of a pole of brush, and another poles of brush are installed in the positions that 180 ° of electric angles are rotated on the basis of the installation site of a pole of brush.The present invention can realize all position positioning of the permanent direct-current electric electromechanical brush of unicast winding, simple and convenient directly perceived.
Description
Technical field
The present invention relates to permanent magnet brush DC. machine design technical field, more particularly to it is a kind of based on second section away from unicast
Winding permanent magnet direct current motor brush localization method.
Background technology
It is mainly with field axis localization method, motor currently for unicast winding permanent magnet direct current motor brush localization method
When rotor elements axis overlaps with magnet steel axis, now rotor elements magnetic potential is maximum, and rotor elements are not just in cutting magnetic line, electricity
Brush position be just positioned over magnet steel axial location, the position to make magnetic steel of stator N and S extremely under rotor elements the sense of current all the time
Unanimously.The method provides the theoretical position of brush from theory of commutation, but does not provide the step of specifically positioning and method, and then
Specific brush position can not be intuitively given, can be different because of the different understanding mode of designer；Secondly, only general point of the theory
The position of brush is analysed, there is no the diversity that further labor rotor elements are connected with commutator segment, can be to brush position really
Surely great changes are brought.So theoretical method at present, it is impossible to press close to engineering reality, it is impossible to clear expression magnet steel stator, brush with
Correlation between coil part, is that brush positioning is indefinite.
The content of the invention
Present invention solves the technical problem that being：Compared to prior art, there is provided it is a kind of based on second section away from unicast around
Group permanent direct-current electric electromechanical brush localization method, can realize all position positioning of permanent direct-current electric electromechanical brush of unicast winding, letter
Folk prescription is just directly perceived.
The object of the invention is achieved by the following technical programs：It is a kind of based on second section away from unicast winding permanent magnet direct current
Motor brush localization method, the described method comprises the following steps：
Step one：The rotor elements potential maximum and electric current for choosing unicast winding permanent magnet direct current generator are zero moment, are built
The moment expanded view of the magnetic steel of stator, rotor elements and commutator segment at the moment is found, rotor elements are determined in moment expanded view
The all of rotor elements that axis overlaps with each magnetic steel of stator axis, by each rotor unit in all of rotor elements
Part top side and distal edge respectively with the connection of two commutator segments, wherein, between the two commutator segments at intervals of second section away from；
Step 2：Each second section is marked according to being spaced between two commutator segments in step one in moment expanded view
Away from, determine each second section away from center line, midline position for brush a pole installation site, with the installation position of a pole of brush
It is set to benchmark and rotates another pole that brush is installed in 180 ° of positions of electric angle.
It is above-mentioned based on second section away from unicast winding permanent magnet direct current motor brush localization method in, in step one, when
Carve in expanded view, the axis of the axis of rotor elements magnetic steel of stator corresponding thereto overlaps, rotor elements top side be located at
Between its corresponding magnetic steel of stator previous piece of magnetic steel of stator adjacent with the magnetic steel of stator, rotor elements distal edge is located at and it
Between the corresponding magnetic steel of stator latter piece of magnetic steel of stator adjacent with the magnetic steel of stator, the top side of each rotor elements and end
Side at intervals of first segment away from.
It is above-mentioned based on second section away from unicast winding permanent magnet direct current motor brush localization method in, in step one, when
Carve in expanded view, each rotor elements top side coincides with the axis of first commutator segment being connected.
It is above-mentioned based on second section away from unicast winding permanent magnet direct current motor brush localization method in, rotor elements potential is maximum
And electric current be zero moment for rotor elements axis magnet steel axis corresponding thereto overlaps the moment.
The present invention has the advantages that compared with prior art：
(1) present invention sets up moment graph of a relation between rotor elements and magnetic steel of stator, commutator segment, it is ensured that rotor elements this when
First segment is carved in the case of constant, different the are determined with commutator segment connection method according to different rotor element top and end
Two pitch locations, and propose second section away from axial location be exactly brush position should position, method is clear, energy
Enough cover be possible to brush installation site；
(2) The present invention gives magnetic steel of stator, rotor elements and commutator segment moment expanded view optimization procedure and give careful note to details,
Strictly positioned using label, can quick and precisely position brush and rotor magnetic steel relative position, be adapted to any pole groove matching relationship
Unicast non-brush permanent-magnet DC motor, it is applied widely.
Brief description of the drawings
Fig. 1 is the moment expanded view of rotor elements of the invention, magnetic steel of stator and commutator segment；
Fig. 2 be position of the invention 1. under brush A+, A- position view of the second section under relative position；
Fig. 3 be position of the invention 2. under brush A+, A- position view of the second section under relative position.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.The symbol in each figure is represented first is illustrated,
V expression rotor elements, VI expression magnetic steel of stator in Fig. 1, Fig. 2 and Fig. 3, VII expression commutator segment.
It is a kind of based on second section away from unicast winding permanent magnet direct current motor brush localization method, the method include following step
Suddenly：
Step one：The rotor elements potential maximum and electric current for choosing unicast winding permanent magnet direct current generator are zero moment, are built
The moment expanded view of the magnetic steel of stator, rotor elements and commutator segment at the moment is found, rotor elements are determined in moment expanded view
The all of rotor elements that axis overlaps with each magnetic steel of stator axis, by each rotor unit in all of rotor elements
Part top side and distal edge respectively with the connection of two commutator segments, wherein, between the two commutator segments at intervals of second section away from；
Step 2：Each second section is marked according to being spaced between two commutator segments in step one in moment expanded view
Away from, determine each second section away from center line, midline position for brush a pole installation site, with the installation position of a pole of brush
It is set to benchmark and rotates another pole that brush is installed in 180 ° of positions of electric angle.
The present embodiment sets up moment graph of a relation between rotor elements and magnetic steel of stator, commutator segment, it is ensured that rotor elements this when
First segment is carved in the case of constant, different the are determined with commutator segment connection method according to different rotor element top and end
Two pitch locations, and propose second section away from axial location be exactly brush position should position, method is clear, energy
Enough cover be possible to brush installation site；And this gives magnetic steel of stator, rotor elements and the exhibition of commutator segment moment
Open figure optimization procedure and give careful note to details, strictly positioned using label, can quick and precisely position brush position relative with rotor magnetic steel
Put, be adapted to the unicast non-brush permanent-magnet DC motor of any pole groove matching relationship, it is applied widely.
The present embodiment carries out the explanation of the inventive method by taking the groove permanent magnet brush direct current torque motor of 10 pole 31 as an example.10 poles 31
Groove motor uses unicast wound rotor component structure, first segment away from being 3, second section away from being 6, wherein first segment away from second section away from
It is preset parameter after design of electrical motor.
Fig. 1 is moment expanded view between rotor elements and magnetic steel of stator, commutator segment, and in step one, the present embodiment is chosen
" rotor elements moment potential is maximum and electric current the is zero " moment, i.e., when rotor elements axis overlaps with magnet steel axis, rotor unit
Part potential is maximum, then the no longer cutting stator magnet steel magnetic line of force of rotor elements now, it requires the maximum rotor unit of potential
Part electric current is zero.
First, 31 isometric equidistant real segments are drawn, correspondence solid line represents the upper strata side of rotor elements, and dotted line is represented
The lower floor side of rotor elements；Simultaneously with numeral mark rotor elements upper strata side, and the rotor elements are represented, so expression is easy to paint
Figure.Isometric line segment represents effective edge of the rotor elements in groove；
Secondly, magnetic steel of stator is arranged alternately by N-S magnetic poles, and ensures that first segment overlaps away from axis with magnet steel axis, Fig. 1
The top side of middle rotor elements 1 and distal edge, away from being 3, its axis I overlaps with magnet steel axis for its cross-domain 1 to 4, i.e. first segment, when
Carve expanded view in require that each magnet steel is separated by one fixed width, now the top side of rotor elements 1 and distal edge are located exactly at stator
Between magnet steel and magnetic steel of stator adjacent thereto, so using clear in the view with the rotor elements that magnetic steel of stator axis overlaps
Expression；The top side of each rotor elements and a commutator segment connection, the distal edge of each rotor elements and a commutation in Fig. 1
Piece connect, between two commutator segment axis being connected with each rotor elements at intervals of second section away from.
As shown in figure 1, the width of commutator segment is consistent with the width of groove, draws 31 squares and represent commutator segment, and will change
Corresponded to the numbering and groove number of piece, the rotor unit in commutator segment axis and place groove is ensured in moment expanded view drawing process
Part upper strata Bian Jishi sides overlap, and commutator segment number is consistent with rotor slot number.
In step 2, as shown in Fig. 2 by the rotor elements 1 at " rotor elements potential is maximum and electric current is zero " moment, turning
Subcomponent 4, rotor elements 7, rotor elements 10, rotor elements 13, rotor elements 16, rotor elements 19, rotor elements 22, rotor
Element 25 and rotor elements 28 individually propose to carry out view displaying, so conveniently carry out pattern analysis, by above-mentioned these rotors unit
The top side of part and distal edge are connected with corresponding commutator segment respectively, for example, top side and distal edge point in rotor elements 1
Be not connected (in Fig. 2 with 1. represent) with commutator segment 31 ' and commutator segment 6 ', then the axis of commutator segment 31 ' and commutator segment 6 ' is spaced
Be second section away from being 6, remaining rotor elements is connected with corresponding commutator segment respectively, and forms series relationship.
After second section is away from determination, second section is found away from axis (center line) using D CAD, then axis (center line) position
That is the installation site of a certain pole of brush, now mutual alignment relation of the second section between axis and magnetic steel of stator is actual brush
Position relationship between magnetic steel of stator, it is another pole position of brush to rotate 180 ° of electric angles on the basis of this position,
Represented with A+ and A- respectively in fig. 2.Wherein+positive pole is represented ,-negative pole is represented, after on A+ and A- brushes connection commutator segment, turn
Subcomponent 1, rotor elements 4, rotor elements 7, rotor elements 10, rotor elements 13, rotor elements 16, rotor elements 19, rotor
Element 22, rotor elements 25 and the short circuit of rotor elements 28, fully meet " rotor elements moment potential is maximum and electric current is zero " and change
To thinking.
Now brush position can be placed on the corresponding second section of any one rotor elements on axis.
In above-described embodiment, the method also includes：Ensure rotor elements first segment away from constant, rotor elements top side and end
The second section that end edge is connected with commutator segment is constant away from relative quantity, and the top side of rotor elements and distal edge connect from different commutator segments
Connect, then now second section away from the position of relative magnet steel just there occurs change, i.e., brush position changes, according to this with logic
Set up brush on first segment away from second section away from location formula.
As shown in figure 3, the first segment of rotor elements ensures that rotor elements potential is maximum, the beginning of rotor elements away from constant
End edge and distal edge can connect different commutator segments, require nothing more than ensure between the different commutator segments of connection at intervals of second section
Away from for example, the top side of rotor elements 1 and distal edge are connected from Fig. 2 with commutator segment 31 ' and commutator segment 6 ', being changed to
The top side of rotor elements 1 and distal edge are connected (as shown in Figure 3) with commutator segment 1 ' and commutator segment 7 ' respectively, and change process is equivalent
Second section translates a commutator segment position away from relative stator magnet steel, the maximum all of rotor elements 1 of such rotor elements potential,
Rotor elements 4, rotor elements 7, rotor elements 10, rotor elements 13, rotor elements 16, rotor elements 19, rotor elements 22, turn
The second section of subcomponent 25 and rotor elements 28 is away from one position of commutator segment of translation, then now brush position is with second section
Away from a position for commutation piece is also translated, Fig. 3 illustrates that the position of brush is not fixed, it is obvious that the position of brush
Put has relation with the link position of rotor elements and commutator segment.
As shown in Figure 3, then rotor elements 1, rotor elements 4, rotor elements 7, rotor elements 10, rotor elements 13, turn
Subcomponent 16, rotor elements 19, rotor elements 22, rotor elements 25 and the first segment of rotor elements 28 under constant situation, rotor
The top side of element and distal edge lead-out wire move a commutator segment position successively, you can obtain brush position formula：η=γ+
(n-1) 360 °/z2,
Its specific derivation process and symbology are as follows：
First segment away from：y1
Second section away from：y2
Slot number：z
Number of segment is equal to slot number, all of commutator segment group into a full circumferences, adjacent two commutator segments angle is 360 °/
Z；
It is clear and definite：Drawing course groove 1 " element is that upper strata side is element 1
And with corresponding commutator segment 1 ' as angle reference, now the top of rotor elements 1 is connected with commutator.
Commutator segment 1 ' so is connected as coiling with rotor elements 1, then the rotor elements axis opposed slot 1 " angle is：
α=y1360°/2z
Second section is away from respective axes opposed slot 1 " angle be：
β=y2360°/2z
1. position corresponds to brush installation site opposing polarities axis angle
γ=β-α
By that analogy：
The top of rotor elements 1 clockwise is connected with commutator segment 2, commutator segment 3 ... commutator segment n respectively, brush relative rotor unit
The corresponding magnetic steel of stator pole axis line relative angle of part 1：
η=γ+(n-1) 360 °/z2
N is the commutator segment label being connected with the top side of rotor elements 1.
The present invention sets up moment graph of a relation between rotor elements and magnetic steel of stator, commutator segment, it is ensured that the rotor elements moment
First segment determines different second in the case of constant according to different rotor element top and end with commutator segment connection method
Pitch location, and propose second section away from axial location be exactly brush position should position, method is clear, can
Cover be possible to brush installation site；And The present invention gives magnetic steel of stator, rotor elements and commutator segment moment expanded view
Optimization procedure and give careful note to details, strictly positioned using label, can quick and precisely position brush and rotor magnetic steel relative position, fit
The unicast non-brush permanent-magnet DC motor of any pole groove matching relationship is closed, it is applied widely.
Embodiment described above is the present invention more preferably specific embodiment, and those skilled in the art is in this hair
The usual variations and alternatives carried out in the range of bright technical scheme all should be comprising within the scope of the present invention.
Claims (4)
1. it is a kind of based on second section away from unicast winding permanent magnet direct current motor brush localization method, it is characterised in that methods described
Comprise the following steps：
Step one：The rotor elements potential maximum and electric current for choosing unicast winding permanent magnet direct current generator are zero moment, and setting up should
The moment expanded view of the magnetic steel of stator, rotor elements and commutator segment at moment, determines the axis of rotor elements in moment expanded view
The all of rotor elements overlapped with each magnetic steel of stator axis, each rotor elements in all of rotor elements are begun
End edge and distal edge respectively with the connection of two commutator segments, wherein, between the two commutator segments at intervals of second section away from；
Step 2：According to being spaced between two commutator segments in step one marked in moment expanded view each second section away from,
Determine each second section away from center line, midline position for brush a pole installation site, with the installation site of a pole of brush
On the basis of the positions of 180 ° of electric angles of rotation another poles of brush are installed.
2. it is according to claim 1 based on second section away from unicast winding permanent magnet direct current motor brush localization method, it is special
Levy and be：In step one, in moment expanded view, the axis weight of the axis of rotor elements magnetic steel of stator corresponding thereto
Close, rotor elements top side be located at the magnetic steel of stator corresponding thereto previous piece magnetic steel of stator adjacent with the magnetic steel of stator it
Between, rotor elements distal edge is located between the magnetic steel of stator latter piece of magnetic steel of stator adjacent with the magnetic steel of stator corresponding thereto,
The top side of each rotor elements and distal edge at intervals of first segment away from.
3. it is according to claim 1 based on second section away from unicast winding permanent magnet direct current motor brush localization method, it is special
Levy and be：In step one, in moment expanded view, each rotor elements top side and first axis of commutator segment being connected
Coincide.
4. it is according to claim 1 based on second section away from unicast winding permanent magnet direct current motor brush localization method, it is special
Levy and be：Rotor elements potential is maximum and electric current is that zero magnet steel axis of the moment for rotor elements axis corresponding thereto overlaps
Moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241309.5A CN106787478B (en) | 2016-12-29 | 2016-12-29 | Unicast winding permanent magnet direct current motor brush localization method based on the second pitch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241309.5A CN106787478B (en) | 2016-12-29 | 2016-12-29 | Unicast winding permanent magnet direct current motor brush localization method based on the second pitch |
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| CN106787478A true CN106787478A (en) | 2017-05-31 |
| CN106787478B CN106787478B (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541388A (en) * | 2018-11-02 | 2019-03-29 | 陕西航空电气有限责任公司 | A kind of detection method of direct current generator wave winding wiring correctness |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201365181Y (en) * | 2009-02-25 | 2009-12-16 | 中国船舶重工集团公司第七○七研究所 | Novel disk type permanent-magnet DC brush torque motor |
| CN102412684A (en) * | 2011-11-04 | 2012-04-11 | 华中科技大学 | Brushless double-feedback motor of winding rotor |
-
2016
- 2016-12-29 CN CN201611241309.5A patent/CN106787478B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201365181Y (en) * | 2009-02-25 | 2009-12-16 | 中国船舶重工集团公司第七○七研究所 | Novel disk type permanent-magnet DC brush torque motor |
| CN102412684A (en) * | 2011-11-04 | 2012-04-11 | 华中科技大学 | Brushless double-feedback motor of winding rotor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541388A (en) * | 2018-11-02 | 2019-03-29 | 陕西航空电气有限责任公司 | A kind of detection method of direct current generator wave winding wiring correctness |
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| CN106787478B (en) | 2019-08-09 |
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Effective date of registration: 20220125 Address after: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee after: Beijing Pulimen electromechanical High Technology Co.,Ltd. Address before: 142 box 403, box 100854, Beijing, Beijing, Haidian District Patentee before: BEIJIGN INSTITUTE OF AEROSPACE CONTROL DEVICES |
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Address after: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee after: Beijing Aerospace Wanrun High Tech Co.,Ltd. Address before: Room 411, 4th floor, building 3, yard 7, Shixing street, Shijingshan District, Beijing 100043 Patentee before: Beijing Pulimen electromechanical High Technology Co.,Ltd. |
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