CN106655637A - DC motor commutator electromagnetic interference suppression method - Google Patents
DC motor commutator electromagnetic interference suppression method Download PDFInfo
- Publication number
- CN106655637A CN106655637A CN201610992738.XA CN201610992738A CN106655637A CN 106655637 A CN106655637 A CN 106655637A CN 201610992738 A CN201610992738 A CN 201610992738A CN 106655637 A CN106655637 A CN 106655637A
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- China
- Prior art keywords
- capacitor
- commutator
- rotor coil
- commutator segment
- rotor
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- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001629 suppression Effects 0.000 title abstract 2
- 239000003990 capacitor Substances 0.000 claims abstract description 108
- 238000004804 winding Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
- H02K11/026—Suppressors associated with brushes, brush holders or their supports
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
Abstract
The invention relates to a DC motor commutator electromagnetic interference suppression method. A conventional DC motor has a problem that every time when a motor commutator in operation commutates and an inductor is disconnected, the spark generated between a brush and a commutator segment generates a large amount of electromagnetic interference and directly has an influence on the normal work of electronic equipment nearby. The method is characterized in that capacitors are installed between the two commutator segments to absorb the electromagnetic interference generated by the commutator, a circuit structure is that a rotor coil has three or n windings, the commutator has three or n commutator segments, the commutator are provided with three or n capacitors, and reasonable structure and easy use are achieved.
Description
Technical field
The present invention relates to DC motor commutator system, particularly DC motor commutator electromagnetic interference suppressing method.
Background technology
At present existing DC motor commutator Zhu Yaos Change to groups such as piece, plastic casing, metal substrate, mica sheet, brushes
Into engine commutator often commutates the moment of an inductance disconnection when existing problems are operatings, produces between brush and commutator segment
Spark externally produces substantial amounts of electromagnetic interference, directly affects the normal work of electronic equipment nearby, and such as vapour vehicle windshield wiper is straight
Stream engine commutator can affect the cisco unity malfunction ， Shi Change such as computer board and frequency modulation broadcasting not reach national standard to device product
The index of EMI electromagnetism Interferences and radiation interference.
The content of the invention
The purpose of the present invention is for drawbacks described above, there is provided a kind of DC motor commutator electromagnetic interference suppressing method, is sent out
Bright method is to add capacitor to absorb the electromagnetic interference produced by commutator between two commutator segments, reaches GB EM1 regulation
Conducted Electromagnetic Interference and Radiative EMI index.
The technical scheme is that DC motor commutator electromagnetic interference suppressing method, it is characterised in that direct current generator is changed
It is to add capacitor to absorb the electromagnetic interference produced by commutator, electricity between two commutator segments to device electromagnetic interference suppressing method
Line structure is that rotor coil is made up of 3 or n winding, and the commutator segment of commutator is made up of 3 or n pieces, two commutator segments it
Between the capacitors count that installs additional it is identical with the quantity of commutator segment, the capacitor installed additional on commutator is also constituted by 3 or n.
The DC motor commutator electromagnetic interference suppressing method, it is characterised in that DC motor commutator electromagnetic interference presses down
Method processed is that rotor coil is made up of 3 windings, and the commutator segment of commutator is constituted by 3, the electricity installed additional between two commutator segments
Number of containers is identical with the quantity of commutator segment, and the capacitor installed additional on commutator is also constituted by 3, and circuit structure is commutator segment P1
Connection rotor coil L1, rotor coil L2, capacitor C1 and capacitor C2, the other end and capacitor C1 of rotor coil L1 is another
End connects together commutator segment P3, rotor coil L3 and capacitor C3, the other end and the capacitor C2 other ends one of rotor coil L2
Play connection commutator segment P2, the other end and the capacitor C3 other ends of rotor coil L3 also connect together commutator segment P2, commutator segment and
Rotor coil and DC motor rotor one, commutator segment commutates between brush D1 and brush D2 when rotor is rotated, brush-lead X1
Dc source is connect with brush-lead X2.
The DC motor commutator electromagnetic interference suppressing method, it is characterised in that DC motor commutator electromagnetic interference presses down
Method processed is that rotor coil is made up of 12 windings, and the commutator segment of commutator is constituted by 12, is installed additional between two commutator segments
Capacitors count is identical with the quantity of commutator segment, and the capacitor installed additional on commutator is also constituted by 12, and circuit structure is commutation
Piece 2P1 connection rotor coil 2L1, rotor coil 2L2, capacitor 2C1 and capacitor 2C2, the other end and electricity of rotor coil 2L2
The container 2C2 other ends connect together commutator segment 2P2, rotor coil 2L3 and capacitor 2C3, the other end and electricity of rotor coil 2L3
The container 2C3 other ends connect together commutator segment 2P3, rotor coil 2L4 and capacitor 2C4, the other end and electricity of rotor coil 2L4
The container 2C4 other ends connect together commutator segment 2P4, rotor coil 2L5 and capacitor 2C5, the other end and electricity of rotor coil 2L5
The container 2C5 other ends connect together commutator segment 2P5, rotor coil 2L6 and capacitor 2C6, the other end and electricity of rotor coil 2L6
The container 2C6 other ends connect together commutator segment 2P6, rotor coil 2L7 and capacitor 2C7, the other end and electricity of rotor coil 2L7
The container 2C7 other ends connect together commutator segment 2P8, rotor coil 2L8 and capacitor 2C8, the other end and electricity of rotor coil 2L8
The container 2C8 other ends connect together commutator segment 2P8, rotor coil 2L9 and capacitor 2C9, the other end and electricity of rotor coil 2L9
The container 2C9 other ends connect together commutator segment 2P9, rotor coil 2L10 and capacitor 2C10, the other end of rotor coil 2L10
Connect commutator segment 2P10, rotor coil 2L11 and capacitor 2C11 together with the capacitor 2C10 other ends, rotor coil 2L11's
The other end and the capacitor 2C11 other ends connect together commutator segment 2P11, rotor coil 2L12 and capacitor 2C12, rotor coil
The other end and the capacitor 2C12 other ends of 2L12 connects together commutator segment 2P12, rotor coil 2L1 and capacitor 2C1, commutation
Piece and rotor coil and DC motor rotor one, commutator segment commutates between brush 2D1 and brush 2D2 when rotor is rotated, brush
Lead 2X1 and brush-lead 2X2 connect dc source.
Instant invention overcomes engine commutator often commutates the moment that inductance disconnects, brush and commutator segment during in the past operating
Between the spark that produces externally produce substantial amounts of electromagnetic interference, with circuit is simple, compact easy dress, it is rationally distributed, be fixed conveniently,
Dependable performance, high precision, the advantage of low cost, are especially reduction of cost, improve practicality and reliability, can widely answer
For direct current generator field.
Description of the drawings
Fig. 1 DC motor commutator electromagnetic interference suppressing method circuit theory diagrams
Fig. 2 DC motor commutator electromagnetic interference suppressing method practical circuit schematic diagrams
L1-L3 rotor coils, C1-C3 capacitors, P1-P3 commutator segments in Fig. 1.
2L1-2L12 rotor coils, 2C1-2C12 capacitors, 2P1-2P12 commutator segments in Fig. 2.
Specific embodiment
Fig. 1 DC motor commutator electromagnetic interference suppressing method circuit theory diagrams, operation principle be two commutator segments it
Between plus capacitor, when motor is rotated rotor coil inductance electromotive force Change to when produce electromagnetism Interference and radiation interference,
GB EM I electromagnetic interference indexs are made not reach requirement, the present invention is added after capacitor between two commutator segments, is absorbed
Electromagnetic interference produced by commutator.Embodiment is between two commutator segments plus capacitor, is added between two commutator segments
The capacitors count of dress is identical with the quantity of commutator segment, and the capacitor installed additional on commutator is also constituted by 3, and circuit structure is to change
To piece P1 connection rotor coil L1, rotor coil L2, capacitor C1 and capacitor C2, the other end and capacitor of rotor coil L1
The C1 other ends connect together commutator segment P3, rotor coil L3 and capacitor C3, and the other end and capacitor C2 of rotor coil L2 is another
One end connects together commutator segment P2, and the other end and the capacitor C3 other ends of rotor coil L3 also connect together commutator segment P2, change
To piece and rotor coil and DC motor rotor one, commutator segment commutates between brush D1 and brush D2 when rotor is rotated, brush
Lead X1 and brush-lead X2 connect dc source.
Fig. 2 is DC motor commutator electromagnetic interference suppressing method practical circuit schematic diagram, and operation principle is changed at two
To between piece plus capacitor, when motor is rotated rotor coil inductance electromotive force Change to when produce electromagnetism Interference and radiation
Interference, makes GB EM I electromagnetic interference indexs not reach requirement, and the present invention is added between two commutator segments after capacitor, is inhaled
The electromagnetic interference produced by commutator is received.Embodiment be between two commutator segments plus capacitor, two commutator segments it
Between the capacitors count that installs additional it is identical with the quantity of commutator segment, rotor coil is made up of 12 windings, the commutator segment of commutator by
12 compositions, the capacitors count installed additional between two commutator segments is identical with the quantity of commutator segment, the electric capacity installed additional on commutator
Device is also constituted by 12, commutator segment 2P1 connection rotor coil 2L1, rotor coil 2L2, capacitor 2C1 and capacitor 2C2, rotor
The other end and the capacitor 2C2 other ends of coil 2L2 connects together commutator segment 2P2, rotor coil 2L3 and capacitor 2C3, rotor
The other end and the capacitor 2C3 other ends of coil 2L3 connects together commutator segment 2P3, rotor coil 2L4 and capacitor 2C4, rotor
The other end and the capacitor 2C4 other ends of coil 2L4 connects together commutator segment 2P4, rotor coil 2L5 and capacitor 2C5, rotor
The other end and the capacitor 2C5 other ends of coil 2L5 connects together commutator segment 2P5, rotor coil 2L6 and capacitor 2C6, rotor
The other end and the capacitor 2C6 other ends of coil 2L6 connects together commutator segment 2P6, rotor coil 2L7 and capacitor 2C7, rotor
The other end and the capacitor 2C7 other ends of coil 2L7 connects together commutator segment 2P8, rotor coil 2L8 and capacitor 2C8, rotor
The other end and the capacitor 2C8 other ends of coil 2L8 connects together commutator segment 2P8, rotor coil 2L9 and capacitor 2C9, rotor
The other end and the capacitor 2C9 other ends of coil 2L9 connects together commutator segment 2P9, rotor coil 2L10 and capacitor 2C10, turns
The other end and the capacitor 2C10 other ends of subcoil 2L10 connects together commutator segment 2P10, rotor coil 2L11 and capacitor
The other end and the capacitor 2C11 other ends of 2C11, rotor coil 2L11 connect together commutator segment 2P11, rotor coil 2L12 and
The other end and the capacitor 2C12 other ends of capacitor 2C12, rotor coil 2L12 connects together commutator segment 2P12, rotor coil
2L1 and capacitor 2C1, commutator segment and rotor coil and DC motor rotor one, when rotor is rotated commutator segment in brush 2D1 and
Commutate between brush 2D2, brush-lead 2X1 and brush-lead 2X2 connects dc source.
Claims (3)
1. DC motor commutator electromagnetic interference suppressing method, it is characterised in that DC motor commutator electromagnetic interference suppressing method
It is to add capacitor to absorb the electromagnetic interference produced by commutator between two commutator segments, circuit structure is that rotor coil has 3
Individual or n winding composition, the commutator segment of commutator is made up of 3 or n pieces, the capacitors count installed additional between two commutator segments with
The quantity of commutator segment is identical, and the capacitor installed additional on commutator is also constituted by 3 or n.
2. DC motor commutator electromagnetic interference suppressing method according to claim 1, it is characterised in that direct current generator commutates
Device electromagnetic interference suppressing method is that rotor coil is made up of 3 windings, and the commutator segment of commutator is constituted by 3, two commutator segments
Between the capacitors count that installs additional it is identical with the quantity of commutator segment, the capacitor installed additional on commutator is also constituted by 3, circuit knot
Structure be commutator segment P1 connection rotor coil L1, rotor coil L2, capacitor C1 and capacitor C2, the other end of rotor coil L1 and
The capacitor C1 other ends connect together commutator segment P3, rotor coil L3 and capacitor C3, the other end and electric capacity of rotor coil L2
The device C2 other ends connect together commutator segment P2, and the other end and the capacitor C3 other ends of rotor coil L3 also connect together commutator segment
P2, commutator segment and rotor coil and DC motor rotor one, commutator segment commutates between brush D1 and brush D2 when rotor is rotated,
Brush-lead X1 and brush-lead X2 connect dc source.
3. DC motor commutator electromagnetic interference suppressing method according to claim 1, it is characterised in that direct current generator commutates
Device electromagnetic interference suppressing method is that rotor coil is made up of 12 windings, and the commutator segment of commutator is constituted by 12, two commutations
The capacitors count installed additional between piece is identical with the quantity of commutator segment, and the capacitor installed additional on commutator is also constituted by 12, electricity
Line structure is commutator segment 2P1 connection rotor coil 2L1, rotor coil 2L2, capacitor 2C1 and capacitor 2C2, rotor coil 2L2
The other end and the capacitor 2C2 other ends connect commutator segment 2P2, rotor coil 2L3 and capacitor 2C3, rotor coil 2L3 together
The other end and the capacitor 2C3 other ends connect commutator segment 2P3, rotor coil 2L4 and capacitor 2C4, rotor coil 2L4 together
The other end and the capacitor 2C4 other ends connect commutator segment 2P4, rotor coil 2L5 and capacitor 2C5, rotor coil 2L5 together
The other end and the capacitor 2C5 other ends connect commutator segment 2P5, rotor coil 2L6 and capacitor 2C6, rotor coil 2L6 together
The other end and the capacitor 2C6 other ends connect commutator segment 2P6, rotor coil 2L7 and capacitor 2C7, rotor coil 2L7 together
The other end and the capacitor 2C7 other ends connect commutator segment 2P8, rotor coil 2L8 and capacitor 2C8, rotor coil 2L8 together
The other end and the capacitor 2C8 other ends connect commutator segment 2P8, rotor coil 2L9 and capacitor 2C9, rotor coil 2L9 together
The other end and the capacitor 2C9 other ends connect commutator segment 2P9, rotor coil 2L10 and capacitor 2C10, rotor coil together
The other end and the capacitor 2C10 other ends of 2L10 connects together commutator segment 2P10, rotor coil 2L11 and capacitor 2C11, turns
The other end and the capacitor 2C11 other ends of subcoil 2L11 connects together commutator segment 2P11, rotor coil 2L12 and capacitor
The other end and the capacitor 2C12 other ends of 2C12, rotor coil 2L12 connects together commutator segment 2P12, rotor coil 2L1 and electricity
Container 2C1, commutator segment and rotor coil and DC motor rotor one, commutator segment is in brush 2D1 and brush 2D2 when rotor is rotated
Between commutate, brush-lead 2X1 and brush-lead 2X2 connects dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992738.XA CN106655637A (en) | 2016-11-01 | 2016-11-01 | DC motor commutator electromagnetic interference suppression method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610992738.XA CN106655637A (en) | 2016-11-01 | 2016-11-01 | DC motor commutator electromagnetic interference suppression method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655637A true CN106655637A (en) | 2017-05-10 |
Family
ID=58806151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610992738.XA Pending CN106655637A (en) | 2016-11-01 | 2016-11-01 | DC motor commutator electromagnetic interference suppression method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106655637A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1071191A1 (en) * | 1999-07-23 | 2001-01-24 | Interelectric Ag | Bell-type armature motor with noise supression arrangement |
| US20050200230A1 (en) * | 2004-03-09 | 2005-09-15 | Francois Breynaert | Electric motor with interference suppressor |
| JP2011019382A (en) * | 2009-05-18 | 2011-01-27 | Suri-Ai:Kk | Motor with brush |
| US20110148258A1 (en) * | 2009-12-17 | 2011-06-23 | Nippon Soken, Inc. | Rotation sensor and direct current motor |
| JP2011176943A (en) * | 2010-02-24 | 2011-09-08 | Nippon Soken Inc | Rotation detecting device and rotation detecting system |
| DE202013011375U1 (en) * | 2013-01-10 | 2014-02-04 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Commutator for an electric machine |
| CN204886581U (en) * | 2015-08-31 | 2015-12-16 | 东莞市吉铼升电机有限公司 | Direct current motor rotor of PCB slab band capacitor bank spare is equipped with |
| WO2016139777A1 (en) * | 2015-03-04 | 2016-09-09 | 三菱電機株式会社 | Rotor for motor with brush and on-vehicle motor with brush |
-
2016
- 2016-11-01 CN CN201610992738.XA patent/CN106655637A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1071191A1 (en) * | 1999-07-23 | 2001-01-24 | Interelectric Ag | Bell-type armature motor with noise supression arrangement |
| CN1282135A (en) * | 1999-07-23 | 2001-01-31 | 相互电力股份公司 | Clock type armature motor with spark suppressing device |
| US20050200230A1 (en) * | 2004-03-09 | 2005-09-15 | Francois Breynaert | Electric motor with interference suppressor |
| JP2011019382A (en) * | 2009-05-18 | 2011-01-27 | Suri-Ai:Kk | Motor with brush |
| US20110148258A1 (en) * | 2009-12-17 | 2011-06-23 | Nippon Soken, Inc. | Rotation sensor and direct current motor |
| JP2011176943A (en) * | 2010-02-24 | 2011-09-08 | Nippon Soken Inc | Rotation detecting device and rotation detecting system |
| DE202013011375U1 (en) * | 2013-01-10 | 2014-02-04 | Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg | Commutator for an electric machine |
| WO2016139777A1 (en) * | 2015-03-04 | 2016-09-09 | 三菱電機株式会社 | Rotor for motor with brush and on-vehicle motor with brush |
| CN204886581U (en) * | 2015-08-31 | 2015-12-16 | 东莞市吉铼升电机有限公司 | Direct current motor rotor of PCB slab band capacitor bank spare is equipped with |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |