CN110601421A - Single-phase four-pole series motor - Google Patents
Single-phase four-pole series motor Download PDFInfo
- Publication number
- CN110601421A CN110601421A CN201910881323.9A CN201910881323A CN110601421A CN 110601421 A CN110601421 A CN 110601421A CN 201910881323 A CN201910881323 A CN 201910881323A CN 110601421 A CN110601421 A CN 110601421A
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- China
- Prior art keywords
- winding
- pcb
- carbon brush
- brushes
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 98
- 230000005284 excitation Effects 0.000 claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 52
- 229910052799 carbon Inorganic materials 0.000 claims description 52
- 241000227287 Elliottia pyroliflora Species 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims 3
- 239000004593 Epoxy Substances 0.000 abstract description 6
- 244000185238 Lophostemon confertus Species 0.000 abstract description 6
- 239000004744 fabric Substances 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009826 distribution Methods 0.000 abstract description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 2
- 229920001342 Bakelite® Polymers 0.000 abstract 1
- 239000004637 bakelite Substances 0.000 abstract 1
- XLDBTRJKXLKYTC-UHFFFAOYSA-N 2,3,4,4'-tetrachlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C(Cl)=C1Cl XLDBTRJKXLKYTC-UHFFFAOYSA-N 0.000 description 19
- 238000005476 soldering Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/10—Arrangements of brushes or commutators specially adapted for improving commutation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc Machiner (AREA)
Abstract
The invention discloses a single-phase quadrupole series-excited motor, wherein a stator is fixed in a rack, the stator is uniformly provided with four first tooth grooves along the circumferential direction, an excitation winding is wound in each first tooth groove, a rotating shaft is arranged vertical to the stator, a rotor is arranged at the inner side of the stator and sleeved on the rotating shaft, a plurality of second tooth grooves are arranged on the rotor, and an armature winding is wound in each second tooth groove; the PCB is sleeved on the rotating shaft and fixed on the frame, the four electric brushes are uniformly fixed on the PCB in a surrounding manner, the two electric brushes at the opposite corners of the PCB are connected in parallel, the excitation winding is connected with the corresponding electric brush, and the excitation winding is connected with the armature winding in series. This single-phase quadrupole series excited machine adopts the PCB circuit board that is used for realizing connecting between the brush, replaces original bakelite brush box or epoxy glass cloth board with the PCB circuit board, can reduce the lead wire distribution in the motor, and the motor manufacturing process is simpler, and occupation space is littleer.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a single-phase four-pole series motor.
Background
The traditional single-phase series excited machine adopts an electric wooden brush box or an epoxy glass cloth plate to position the carbon brush, and simultaneously adopts a copper sleeve with better conductivity to fix the carbon brush, thereby playing the roles of insulation and fixation.
Now, in order to improve the performance of the motor, a 2-pole motor is designed to be a 4-pole motor, fig. 1 is a motor schematic diagram of an improved single-phase four-pole series-excited motor, a traditional electric wood brush box or an epoxy glass cloth plate is adopted to fix a carbon brush, and the 4 carbon brushes are independent; however, in order to meet the requirement that the diagonal carbon brushes need to be connected in parallel when the motor works normally, the number of leads of the motor is large and random, the motor is complex in the manufacturing process, and the production time is long.
Therefore, a single-phase four-pole series motor with simple motor lead distribution is provided.
Disclosure of Invention
The invention mainly aims to provide a single-phase four-pole series motor which has the advantages of low temperature rise and longer service life.
In order to achieve the purpose, the invention provides a single-phase quadrupole series-excited motor, which comprises a rack, a stator, a rotating shaft, a rotor, electric brushes and a PCB (printed circuit board) for realizing connection between the electric brushes, wherein the stator is fixed in the rack, the stator is uniformly provided with four first tooth grooves along the circumferential direction, an excitation winding is wound in each first tooth groove, the rotating shaft is arranged perpendicular to the stator, the rotor is arranged on the inner side of the stator and sleeved on the rotating shaft, the rotor is provided with a plurality of second tooth grooves, and an armature winding is wound in each second tooth groove; the PCB is sleeved on the rotating shaft and fixed on the rack, the four electric brushes are uniformly fixed on the PCB in a surrounding manner, the two electric brushes at the opposite angles are connected in parallel by the PCB, the excitation winding is connected to the corresponding electric brush, and the excitation winding is connected with the armature winding in series.
Preferably, the PCB includes a circular circuit board, the brushes are uniformly welded to the back of the circuit board, a first trace and a second trace are disposed on the circuit board, the first trace connects two brushes at one diagonal, and the second trace connects two brushes at the other diagonal.
Preferably, the excitation winding includes a first winding, a second winding, a third winding and a fourth winding, and the first winding, the second winding, the third winding and the fourth winding are sequentially distributed around the stator at 90 degrees counterclockwise.
Preferably, the four excitation windings form two N poles and two S poles, the N poles and the S poles are adjacent to each other in pairs, the first winding and the third winding are S pole winding groups, and the second winding and the fourth winding are N pole winding groups.
Preferably, the electric brush comprises a first carbon brush, a second carbon brush, a third carbon brush and a fourth carbon brush, and the first carbon brush, the second carbon brush, the third carbon brush and the fourth carbon brush are sequentially arranged at the inner side of the corresponding excitation winding in a counterclockwise direction by 90 degrees; the first carbon brush corresponds to the first winding in position.
Preferably, the first winding input end is connected with the first carbon brush, the third winding input end is connected with the third carbon brush, the second winding output end is connected with the second carbon brush, and the fourth winding output end is connected with the fourth carbon brush.
Preferably, the PCB is provided with a plurality of welding spots, the welding spots are uniformly distributed along the circumferential direction of the circuit main board, and the electric brush is welded with the corresponding welding spots.
Preferably, the PCB circuit board further comprises a positioning hole for fixing, the frame comprises a front support and a rear support, the front support and the rear support are buckled to form the frame, the front support is provided with a mounting hole, a locking screw penetrates through the positioning hole and the mounting hole in sequence, and the PCB circuit board is fixed on the front support through the locking screw.
Preferably, the single-phase four-pole series motor further comprises a commutator and a copper sleeve, wherein the four electric brushes are uniformly distributed and are in contact with the outer edge of the commutator; the copper bush is fixed on the PCB, and the electric brush is placed in the copper bush for fixing.
Preferably, the single-phase quadrupole series motor further comprises bearings, the two bearings are respectively sleeved at the two ends of the rotating shaft, and the commutator and the rotor are both arranged between the two bearings.
Compared with the prior art, the invention has the following beneficial effects: the single-phase four-pole series motor adopts the PCB for realizing the connection between the electric brushes, and the PCB replaces the original electric wooden brush box or epoxy glass cloth plate, so that the distribution of leads in the motor can be reduced, the manufacturing process of the motor is simpler, and the occupied space is smaller.
Drawings
Fig. 1 is an exploded view of a single-phase quadrupole series motor according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a PCB circuit board according to an embodiment of the invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The invention provides a single-phase four-pole series motor 100, which replaces the original electric wooden brush box or epoxy glass cloth plate by arranging the PCB 60, 2 electric brushes at the opposite angles are connected in parallel by the PCB 60, disordered leads are not needed in the motor, the distribution of the leads of the motor is reduced, the manufacturing and installation process of the motor is simpler, and the occupied space is smaller.
Referring to fig. 1, the single-phase four-pole series-excited motor 100 of the present embodiment includes a frame and a stator 20. The stator 20 is fixed in the frame, the stator 20 is uniformly provided with four first tooth slots 21 along the circumferential direction, and an excitation winding is wound in each first tooth slot 21. Specifically, the excitation winding includes a first winding 71, a second winding 72, a third winding 73, and a fourth winding 74, and the first winding 71, the second winding 72, the third winding 73, and the fourth winding 74 are sequentially distributed counterclockwise by 90 degrees and surround the stator 20. The four excitation windings form two N poles and two S poles, the N poles and the S poles are adjacent in pairs, the first winding 71 and the third winding 73 are S pole winding groups, and the second winding 72 and the fourth winding 74 are N pole winding groups.
Referring to fig. 1, the single-phase four-pole series-excited machine 100 of the present embodiment further includes a rotating shaft 30 and a rotor 40, the rotating shaft 30 is perpendicular to the stator 20, the rotor 40 is disposed inside the stator 20 and sleeved on the rotating shaft 30, the rotor 40 is provided with a plurality of second tooth slots 41, each second tooth slot 41 is surrounded by an armature winding, and the excitation winding is connected in series with the armature winding. In the present embodiment, the number of the second tooth grooves 41 is preferably 16, but not limited thereto.
The single-phase four-pole series motor 100 further comprises electric brushes and a PCB 60 used for realizing connection between the electric brushes, the PCB 60 of the embodiment is sleeved on the rotating shaft 30 and fixed on the rack, the single-phase four-pole series motor 100 comprises four electric brushes, and the four electric brushes are uniformly surrounded and fixed on the PCB 60. The brushes can be connected through the PCB 60 without cumbersome leads, so that the motor design can be simplified and the occupied space is small.
The invention is characterized in that the PCB 60 for realizing the connection between the brushes is provided, and the specific structure of the PCB 60 is described in detail below with reference to FIG. 2:
referring to fig. 2, the PCB 60 of the present embodiment includes a circular circuit board 61, the electric brush is uniformly soldered to the back of the circuit board 61, the PCB 60 is provided with a plurality of soldering points 62, the soldering points 62 are uniformly distributed along the circumferential direction of the circuit board 61, and the electric brush is soldered to the corresponding soldering points 62. The brushes comprise a first carbon brush 51, a second carbon brush 52, a third carbon brush 53 and a fourth carbon brush 54, and the first carbon brush 51, the second carbon brush 52, the third carbon brush 53 and the fourth carbon brush 54 are sequentially arranged at the inner side of the corresponding excitation winding in a counterclockwise direction by 90 degrees; the first carbon brush 51 corresponds in position to the first winding 71.
The PCB 60 of the present embodiment connects two diagonal brushes in parallel, and the field winding is connected to the corresponding brush. The circuit board 61 is provided with a first trace 611 and a second trace 612, the first trace 611 connects two brushes at one diagonal, and the second trace 612 connects two brushes at the other diagonal. That is, the first trace 611 connects the first carbon brush 51 and the third carbon brush 53 in parallel, and the second trace 612 connects the second carbon brush 52 and the fourth carbon brush 54 in parallel. The diagonal brushes are connected in parallel through the PCB 60, the first winding 71 is not connected with the third winding 73 from the winding of the second winding 72, and the second winding 72 is not connected with the fourth winding 74 from the winding of the third winding 73, so that lead wires can be avoided, the lead wire consumption can be saved, the motor design can be simplified, and the occupied space is small.
Specifically, the input end of the first winding 71 is connected with the first carbon brush 51, the input end of the third winding 73 is connected with the third carbon brush 53, and the first carbon brush 51 and the third carbon brush 53 are connected in parallel through the PCB 60, so that the connection between the first winding 71 and the third winding 73 can be realized; the output end of the second winding 72 is connected with the second carbon brush 52, the output end of the fourth winding 74 is connected with the fourth carbon brush 54, the second carbon brush 52 is connected with the fourth carbon brush 54 in parallel through the PCB 60, and the connection between the second winding 72 and the fourth winding 74 can be realized.
Referring to fig. 2, the PCB 60 of the present embodiment further includes a positioning hole 63 for fixing, the frame includes a front bracket 11 and a rear bracket 12, the front bracket 11 and the rear bracket 12 are fastened to form the frame, the front bracket 11 is provided with a mounting hole 111, a locking screw is sequentially inserted into the positioning hole 63 and the mounting hole 111, and the PCB 60 is fixed on the front bracket 11 by the locking screw.
Referring to fig. 1, the single-phase four-pole series motor 100 of the present embodiment further includes a commutator 80, a copper bush 90 and a bearing 90a, wherein four electric brushes are uniformly distributed and contact with an outer edge of the commutator 80; the copper bush 90 is fixed on the PCB 60, and the electric brush is placed in the copper bush 90 for fixing; the two bearings 90a are respectively sleeved at two ends of the rotating shaft 30, and the commutator 80 and the rotor 40 are both arranged between the two bearings 90 a.
Compared with the prior art, the invention has the following beneficial effects: the single-phase four-pole series motor 100 adopts the PCB 60 for realizing the connection between the electric brushes, and the PCB 60 replaces the original electric wooden brush box or epoxy glass cloth plate, so that the distribution of leads in the motor can be reduced, the manufacturing process of the motor is simpler, and the occupied space is smaller.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The single-phase quadrupole series-excited motor is characterized by comprising a rack, a stator, a rotating shaft, a rotor, electric brushes and a PCB (printed circuit board) for realizing connection between the electric brushes, wherein the stator is fixed in the rack, the stator is uniformly provided with four first tooth grooves along the circumferential direction, an excitation winding is wound in each first tooth groove, the rotating shaft is arranged perpendicular to the stator, the rotor is arranged on the inner side of the stator and sleeved on the rotating shaft, the rotor is provided with a plurality of second tooth grooves, and an armature winding is wound in each second tooth groove; the PCB is sleeved on the rotating shaft and fixed on the rack, the four electric brushes are uniformly fixed on the PCB in a surrounding manner, the two electric brushes at the opposite angles are connected in parallel by the PCB, the excitation winding is connected to the corresponding electric brush, and the excitation winding is connected with the armature winding in series.
2. The single-phase quadrupole series-excited machine according to claim 1, wherein the PCB comprises a circular circuit board, the brushes are uniformly soldered to the back of the circuit board, and a first trace and a second trace are disposed on the circuit board, the first trace connects two brushes on one diagonal, and the second trace connects two brushes on the other diagonal.
3. The single-phase four-pole series-excited machine according to claim 1, wherein the excitation winding includes a first winding, a second winding, a third winding and a fourth winding, and the first winding, the second winding, the third winding and the fourth winding are sequentially wound on the stator at 90 degrees counterclockwise.
4. A single phase four pole series excited machine according to claim 3, wherein four of the excitation windings form two N poles and two S poles with the N poles and the S poles adjacent to each other two by two, the first winding and the third winding are S pole winding groups, and the second winding and the fourth winding are N pole winding groups.
5. The single-phase four-pole series-excited machine according to claim 3, wherein the brushes comprise a first carbon brush, a second carbon brush, a third carbon brush and a fourth carbon brush, and the first carbon brush, the second carbon brush, the third carbon brush and the fourth carbon brush are sequentially arranged at the inner side of the corresponding excitation winding by 90 degrees anticlockwise; the first carbon brush corresponds to the first winding in position.
6. The single-phase quadrupole series-excited machine of claim 5, wherein the first winding input is connected to the first carbon brush, the third winding input is connected to a third carbon brush, the second winding output is connected to the second carbon brush, and the fourth winding output is connected to the fourth carbon brush.
7. The single-phase quadrupole series-excited machine of claim 2, wherein the PCB is provided with a plurality of solder joints, the solder joints are uniformly distributed along the circumferential direction of the main circuit board, and the brushes are soldered to the corresponding solder joints.
8. The single-phase quadrupole series-excited machine according to claim 1, wherein the PCB further comprises a positioning hole for fixing, the frame comprises a front bracket and a rear bracket, the front bracket and the rear bracket are fastened to form the frame, the front bracket is provided with a mounting hole, a locking screw is sequentially inserted into the positioning hole and the mounting hole, and the PCB is fixed on the front bracket through the locking screw.
9. The single-phase quadrupole series-excited machine according to claim 1, further comprising a commutator and a copper sleeve, wherein the four brushes are uniformly distributed and contact with the outer edge of the commutator; the copper bush is fixed on the PCB, and the electric brush is placed in the copper bush for fixing.
10. The single-phase quadrupole series-excited machine according to claim 9, further comprising bearings, wherein the two bearings are respectively sleeved at two ends of the rotating shaft, and the commutator and the rotor are both arranged between the two bearings.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881323.9A CN110601421A (en) | 2019-09-18 | 2019-09-18 | Single-phase four-pole series motor |
| PCT/CN2020/094354 WO2021051889A1 (en) | 2019-09-18 | 2020-06-04 | Single-phase quadrupole series excited electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910881323.9A CN110601421A (en) | 2019-09-18 | 2019-09-18 | Single-phase four-pole series motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110601421A true CN110601421A (en) | 2019-12-20 |
Family
ID=68860625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910881323.9A Pending CN110601421A (en) | 2019-09-18 | 2019-09-18 | Single-phase four-pole series motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110601421A (en) |
| WO (1) | WO2021051889A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934477A (en) * | 2020-07-30 | 2020-11-13 | 湖南丰辉电机有限公司 | Series excited machine of single-phase four-pole wiring structure |
| WO2021051889A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市力辉电机有限公司 | Single-phase quadrupole series excited electric motor |
| WO2021258495A1 (en) * | 2020-06-22 | 2021-12-30 | 东莞市力辉马达有限公司 | Series excited electric motor for improving rotor assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747772Y (en) * | 2004-03-29 | 2005-12-21 | 陶大成 | Rotary dynamo |
| CN101562383A (en) * | 2008-04-20 | 2009-10-21 | 张世清 | Single-phase reluctance generator |
| CN202798405U (en) * | 2012-06-21 | 2013-03-13 | 东明机电（深圳）有限公司 | Four-magnetic pole series-excitation motor and stator assembly and stator laminations thereof |
| WO2019031857A2 (en) * | 2017-08-08 | 2019-02-14 | 선상규 | Dc power generation device employing multiple brushes and distributor |
| CN110138111A (en) * | 2019-06-24 | 2019-08-16 | 深圳市力辉电机有限公司 | A kind of single-phase quadrupole series excited machine of novel flat |
| CN210517965U (en) * | 2019-09-18 | 2020-05-12 | 东莞市力辉马达有限公司 | Single-phase four-pole series motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6400058B1 (en) * | 2000-08-01 | 2002-06-04 | Primax Electronics Ltd. | Universal motor with reduced EMI characteristics |
| CN201717743U (en) * | 2010-05-14 | 2011-01-19 | 深圳市航天科工电机有限公司 | Motor of high-power garbage grinder |
| CN208241437U (en) * | 2017-10-20 | 2018-12-14 | 厦门欣众达科技有限公司 | Copper-in-aluminum enameled wire series motor for all kinds of inflation electric equipment products |
| CN110601421A (en) * | 2019-09-18 | 2019-12-20 | 东莞市力辉马达有限公司 | Single-phase four-pole series motor |
-
2019
- 2019-09-18 CN CN201910881323.9A patent/CN110601421A/en active Pending
-
2020
- 2020-06-04 WO PCT/CN2020/094354 patent/WO2021051889A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2747772Y (en) * | 2004-03-29 | 2005-12-21 | 陶大成 | Rotary dynamo |
| CN101562383A (en) * | 2008-04-20 | 2009-10-21 | 张世清 | Single-phase reluctance generator |
| CN202798405U (en) * | 2012-06-21 | 2013-03-13 | 东明机电（深圳）有限公司 | Four-magnetic pole series-excitation motor and stator assembly and stator laminations thereof |
| WO2019031857A2 (en) * | 2017-08-08 | 2019-02-14 | 선상규 | Dc power generation device employing multiple brushes and distributor |
| CN110138111A (en) * | 2019-06-24 | 2019-08-16 | 深圳市力辉电机有限公司 | A kind of single-phase quadrupole series excited machine of novel flat |
| CN210517965U (en) * | 2019-09-18 | 2020-05-12 | 东莞市力辉马达有限公司 | Single-phase four-pole series motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051889A1 (en) * | 2019-09-18 | 2021-03-25 | 深圳市力辉电机有限公司 | Single-phase quadrupole series excited electric motor |
| WO2021258495A1 (en) * | 2020-06-22 | 2021-12-30 | 东莞市力辉马达有限公司 | Series excited electric motor for improving rotor assembly |
| CN111934477A (en) * | 2020-07-30 | 2020-11-13 | 湖南丰辉电机有限公司 | Series excited machine of single-phase four-pole wiring structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021051889A1 (en) | 2021-03-25 |
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