CN103532322B - A kind of list of the novel low-vibration torque winding that changes has brushless motor - Google Patents
A kind of list of the novel low-vibration torque winding that changes has brushless motor Download PDFInfo
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- CN103532322B CN103532322B CN201310463462.2A CN201310463462A CN103532322B CN 103532322 B CN103532322 B CN 103532322B CN 201310463462 A CN201310463462 A CN 201310463462A CN 103532322 B CN103532322 B CN 103532322B
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Abstract
The list that the invention discloses a kind of novel low-vibration torque winding that changes has brushless motor, the list in past changes winding brush DC motors, the Vibration Torque produced at commutation process cannot be eliminated, can make wholely to be produced vibration & noise by drive system, the list of a kind of novel low-vibration torque of the present invention winding that changes has brushless motor, comprises two groups, left and right structure identical and the DC motor that electromagnetic parameter is identical, support, rotating shaft, left end cap, left end cap bearing, right end cap, right end cap bearing, fan, fan guard; Often organize direct current machine and comprise main pole core, armature core, excitation winding, armature winding, commutator and brush; The present invention has low Vibration Torque and noise, structure advantage simple, easy to use.
Description
Technical field
The present invention relates to a kind of low Vibration Torque and have brushless motor, the list being specifically related to a kind of novel low-vibration torque repeatedly (single ripple) winding has brushless motor.
Background technology
List repeatedly (single ripple) the winding brush DC motors in past, owing to there is commutation, therefore there is the Vibration Torque that commutation process produces, and heavier the produced Vibration Torque of load is larger, because, commutation is the operation basis of DC motor, so the Vibration Torque that commutation process produces cannot be eliminated, the scheme overcome is not proposed so far.In the actual use of motor, the Vibration Torque that commutation process produces is equivalent to an exciting source, can make wholely to be produced vibration & noise by drive system.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, the list proposing a kind of novel low-vibration torque repeatedly (single ripple) winding has brushless motor.
The present invention is achieved through the following technical solutions:
The list of novel low-vibration torque repeatedly (single ripple) winding has a brushless motor, comprises two groups, left and right structure identical and the DC motor that electromagnetic parameter is identical, support, rotating shaft, left end cap, left end cap bearing, right end cap, right end cap bearing, fan, fan guard; Often organize direct current machine and comprise main pole core, armature core, excitation winding, armature winding, commutator and brush;
The DC motor main pole core of two groups, described left and right is fixed on same support, two groups of excitation winding embed in two groups of main pole cores respectively, two groups of armature cores and commutator are fixed in same rotating shaft, two groups of armature winding embed on two groups of armature cores respectively, rotating shaft is fixed by left and right end cap and left and right bearing with end cover and support, wherein be provided with fan outside an end cap, brush is arranged on support by brush carrier, and two groups of main pole cores exist identical air gap with armature core; Wherein the relative position of its respective main pole, armature winding and commutator of the two groups of DC motor in left and right meets respectively: when an armature loop commutates by brush short circuit, the induced potential in this commutation element is minimum; And two groups, left and right main pole core, armature core and commutator are when aliging one by one vertically, brush along the circumferential direction stagger the mutually angle of 1/2 width of commutator segment or brush in left and right aligns vertically, and two groups, left and right main pole core, armature core and commutator along the circumferential direction stagger mutually the angle of 1/2 width of commutator segment;
Described fan is installed in described rotating shaft, and described fan is positioned at the axially outside of a wherein end cap, is provided with fan guard outside fan.
Beneficial effect of the present invention: the present invention has low Vibration Torque and noise, structure advantage simple, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation that novel low-vibration torque has brushless motor;
Fig. 2 is the curve that the Vibration Torque of two motors changes with electrical degree;
Two kinds of different fit system schematic diagrames of the armature coil that Fig. 3 (1), (2) are Fig. 2 embodiment and brush.
Embodiment
The enforcement of novel low-vibration torque direct current machine of the present invention is further described below in conjunction with accompanying drawing.
As shown in Figure 1, the list of novel low-vibration torque repeatedly (single ripple) winding has a brushless motor, comprises identical and the first DC motor that electrical quantity is identical of two groups, left and right structure and the second DC motor, support 6, rotating shaft 7, left end cap 4, left end cap bearing 3, right end cap 5, right end cap bearing 1, fan 8, fan guard 2; Described first direct current machine comprises the first main pole core 103, first armature core 101, first excitation winding 104, first armature winding 102, first commutator 106 and the first brush 105; Second direct current machine comprises the second main pole core 203, second armature core 201, second excitation winding 204, second armature winding 202, second commutator 206 and the second brush 205;
First main pole core 103 of the described two groups of DC motor in left and right, second main pole core 203 is fixed on same support, first excitation winding 104, second excitation winding 204 embeds the first main pole core 103 respectively, second main pole core 203, first armature core 101, second armature core 201 first commutator 106 and the second commutator 206 are fixed in rotating shaft 7, first armature winding 102, second armature winding 202 embeds the first armature core 101 respectively, second armature core 201, rotating shaft 7 is by left end cap 4, right end cap 5 and left end cap bearing 3, right end cap bearing 1 is fixed with support 6, wherein be provided with fan 8 outside an end cap, first brush 105 and the second brush 205 are arranged on support respectively by brush carrier, identical air gap is there is in two groups of main pole cores with armature core, when wherein left and right two groups of main pole cores, armature core and commutators align vertically one by one, stagger the mutually angle of 1/2 width of commutator segment or brush of first brush 105 and the second brush 205 circumferencial direction aligns vertically, and two groups, left and right main pole core, armature core and commutator along the circumferential direction stagger mutually the angle of 1/2 width of commutator segment.Described fan 8 is installed in described rotating shaft 7, and described fan 8 is positioned at the axially outside of a wherein end cap, is provided with fan guard 2 outside fan 8.
As Fig. 3 (1), as shown in Fig. 3 (2), when two, left and right DC motor adds the field power supply of same voltage, armature adds the armature power supply of same voltage, and two DC motor are when rotating in the same direction, the Driving Torque that two, left and right DC motor produces superposes mutually, and the Vibration Torque that two, left and right DC motor produces is as shown in Figure 2, mutual deviation
electrical degree, can be offset by complementation.If two, left and right DC motor full symmetric, then Vibration Torque can be offset completely.
Claims (2)
1. the list of the novel low-vibration torque winding that changes has a brushless motor, comprises two groups, left and right structure identical and the DC motor that electromagnetic parameter is identical, support, rotating shaft, left end cap, left end cap bearing, right end cap, right end cap bearing, fan, fan guard; Often organize DC motor and comprise main pole core, armature core, excitation winding, armature winding, commutator and brush;
It is characterized in that: the DC motor main pole core of two groups, described left and right is fixed on same support, two groups of excitation winding embed in two groups of main pole cores respectively, two groups of armature cores and commutator are fixed in same rotating shaft, two groups of armature winding embed on two groups of armature cores respectively, rotating shaft is fixed by left and right end cap and left and right bearing with end cover and support, wherein be provided with fan outside an end cap, brush is arranged on support by brush carrier, and two groups of main pole cores exist identical air gap with armature core; Wherein the relative position of its respective main pole, armature winding and commutator of the two groups of DC motor in left and right meets respectively: when an armature loop commutates by brush short circuit, the induced potential in this commutation element is minimum; And two groups, left and right main pole core, armature core and commutator are when aliging one by one vertically, brush along the circumferential direction stagger the mutually angle of 1/2 width of commutator segment or brush in left and right aligns vertically, and two groups, left and right main pole core, armature core and commutator along the circumferential direction stagger mutually the angle of 1/2 width of commutator segment.
2. the list of a kind of novel low-vibration torque according to claim 1 winding that changes has brushless motor, it is characterized in that: described fan is installed in rotating shaft, and is positioned at the axially outside of a wherein end cap, is provided with fan guard outside fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310463462.2A CN103532322B (en) | 2013-09-30 | 2013-09-30 | A kind of list of the novel low-vibration torque winding that changes has brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310463462.2A CN103532322B (en) | 2013-09-30 | 2013-09-30 | A kind of list of the novel low-vibration torque winding that changes has brushless motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103532322A CN103532322A (en) | 2014-01-22 |
| CN103532322B true CN103532322B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310463462.2A Active CN103532322B (en) | 2013-09-30 | 2013-09-30 | A kind of list of the novel low-vibration torque winding that changes has brushless motor |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449958B (en) * | 2015-12-02 | 2018-04-17 | 杭州电子科技大学 | A kind of brushless direct current motor system of low vibration torque |
| CN112350523A (en) * | 2019-11-05 | 2021-02-09 | 熵零技术逻辑工程院集团股份有限公司 | Electric machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271380A (en) * | 1977-09-30 | 1981-06-02 | Siemens Aktiengesellschaft | Electric two-motor drive |
| CN1417922A (en) * | 2002-11-22 | 2003-05-14 | 冯鲁民 | Structure of rotor and stator of AC/DC motor |
| CN102315712A (en) * | 2010-06-29 | 2012-01-11 | 万都株式会社 | Motor and motor driven power steering system using the same |
| CN203522468U (en) * | 2013-09-30 | 2014-04-02 | 杭州电子科技大学 | Novel simplex lap winding brush DC motor with low vibration torque |
-
2013
- 2013-09-30 CN CN201310463462.2A patent/CN103532322B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4271380A (en) * | 1977-09-30 | 1981-06-02 | Siemens Aktiengesellschaft | Electric two-motor drive |
| CN1417922A (en) * | 2002-11-22 | 2003-05-14 | 冯鲁民 | Structure of rotor and stator of AC/DC motor |
| CN102315712A (en) * | 2010-06-29 | 2012-01-11 | 万都株式会社 | Motor and motor driven power steering system using the same |
| CN203522468U (en) * | 2013-09-30 | 2014-04-02 | 杭州电子科技大学 | Novel simplex lap winding brush DC motor with low vibration torque |
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| CN103532322A (en) | 2014-01-22 |
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