CN1889339A - Assembling DC electric machine - Google Patents
Assembling DC electric machine Download PDFInfo
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- CN1889339A CN1889339A CN 200610054448 CN200610054448A CN1889339A CN 1889339 A CN1889339 A CN 1889339A CN 200610054448 CN200610054448 CN 200610054448 CN 200610054448 A CN200610054448 A CN 200610054448A CN 1889339 A CN1889339 A CN 1889339A
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- rotor
- magnetic pole
- rotor magnetic
- electric machine
- assembling
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
This invention discloses an assembly DC motor including a motor rotor, a magnetic pole of the rotor and a permanent magnet stator, in which, a motor commutator is fixed on the main shaft of the rotor magnetic pole characterizing that said pole is composed of a soft magnet and a winding coil, one end of the soft magnet is connected with said motor rotor, the other end is winded with said winding coils connected with the commutator plates by leads, said soft magnet is fastened on the rotor by a fixing pin, which provides an assembly DC qualified motor convenient for winding the coils of windings independently and in the same structure to increase the usability of power.
Description
Technical field
The invention belongs to a kind of DC motor, relate in particular to a kind of assembling DC electric machine of being convenient to rotor processing.
Background technology
At present, the tradition DC motor comprises two above rotor magnetic poles that are arranged on the rotor sidewall, be fixed with the stator of permanent magnet, wherein, also be fixed with engine commutator on the main shaft of described rotor magnetic pole, mutually insulated between each commutator segment on the described commutator, and lead circulation series connection between each winding, during machine operation, each commutator segment alternately contacts the electric current of accepting to send in the brush with motor brush, electric current flows through all windings and commutator segment successively, produce the alternation magnetic pole, with the stator permanent magnet field action under, motor rotates.Simultaneously, the rotor main shaft of tradition DC motor and winding are for being solidly connected forever, the coiling of coil is subjected to the restriction of rotor main shaft, the coil of each winding can not independent coiling, influence the manufacturing process quality, the girth of each winding is not quite similar, and each winding coil structure is inconsistent, mass distribution inequality, motor are in operation and will produce vibration and noise.
Its shortcoming is: can not independent coiling because of the coil of traditional each winding of DC motor, and cause the quality discrepancy of machine winding coil bigger, product quality is lower.
Summary of the invention
The purpose of this invention is to provide a kind of independent coiling of each winding coil of rotor of being convenient to, make each winding coil structure unanimity, stay-in-grade assembling DC electric machine.
Concrete scheme of the present invention is: a kind of assembling DC electric machine, comprise rotor and be evenly distributed on two above rotor magnetic poles on the rotor periphery and be installed in the outer permanent magnet stator of rotor magnetic pole, wherein, also be fixed with engine commutator on the main shaft of described rotor magnetic pole, mutually insulated between each commutator segment on the described commutator, its key is: described rotor magnetic pole is made up of soft magnetic bodies and winding coil, described soft magnetic bodies one end is connected with described rotor, and the other end is wound with described winding coil; Described each winding coil is connected with described commutator segment through lead;
Described soft magnetic bodies bottom has comb teeth, has the broach groove on the described rotor periphery, and described comb teeth and broach groove are meshing with each other, and tighten up by steady pin.
Have the teeth through hole on the teeth of described comb teeth, have the cell wall through hole on the cell wall of described broach groove, be installed with same steady pin in described teeth through hole and the cell wall through hole.
The cylindrical structure that described rotor is made up of circular silicon steel sheet stack more than three, the periphery of described circular silicon steel sheet evenly has groove, described circular silicon steel sheet also has through hole, when forming rotor, the through hole and the groove of adjacent silicon steel disc are overlapping, form described broach groove and cell wall through hole.
Difference coiling winding coil on each soft magnetic bodies is made two on all four rotor magnetic poles of above winding structure earlier, makes the workmanship of rotor magnetic pole stable.The comb teeth of each rotor magnetic pole is inserted in the broach groove on the rotor sidewall again, described steady pin is inserted described teeth through hole and cell wall through hole, realization rotor, steady pin are fixedlyed connected with rotor magnetic pole.Motor is in operation, can avoid producing vibration and noise because of the winding coil mass distribution inequality of rotor magnetic pole.
The quantity of described rotor magnetic pole is even number, each rotor magnetic pole is evenly distributed on the periphery of described rotor, and in the wire bonds of two rotor magnetic pole winding coils on the same diameter on same described commutator segment, when electric current passes through described winding coil, the magnetic line of force direction unanimity of these two rotor magnetic poles.
The quantity of rotor magnetic pole is even number, guaranteed the formed number of magnetic poles pairing of rotor magnetic pole, two rotor magnetic poles on the same diameter are a pair of, each is separate to rotor magnetic pole, during machine operation, each commutator segment alternately contacts the electric current of accepting to send in the brush with motor brush, electric current can only flow through one to two pair of rotor magnetic pole and commutator segment, all the other rotor magnetic pole no currents.
Described soft magnetic bodies is superimposed fluid-tight engagement between each diskette by three above T-shape diskettes.
Two crescent permanent magnets are installed on the described stator, and these two crescent permanent magnets are centered around outside the described rotor, arrange axisymmetricly with the main shaft of described rotor.
The crescent moon radian of permanent magnet is greater than the end face radian sum of two described soft magnetic bodies, make the radian sum of the polar arc of stator greater than two rotor magnetic poles, in rotor magnetic pole forwards the crescent moon of permanent magnet to, rotor magnetic pole gets the electric forming carbon electrode, the different magnetic pole in crescent moon two ends produces suction and thrust to this carbon electrode simultaneously, drives rotor rotation, when rotor magnetic pole produces crescent moon, the rotor power down has improved the utilance of electric energy.
The inner concave of described two crescent permanent magnets has groove.
Institute's recessing is convenient to the magnetic line of force and is passed from rotor magnetic pole more fully.
Remarkable result of the present invention is: a kind of independent coiling of each winding coil of rotor of being convenient to is provided, makes each winding coil structure unanimity, stay-in-grade assembling DC electric machine, motor are in operation can not produce vibration and noise.Simultaneously, also improved the utilance of electric energy.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of soft magnetic bodies 5;
Fig. 3 is the structural representation of rotor 1;
Fig. 4 is a fundamental diagram of the present invention;
Fig. 5 is rotor 1 perspective view.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 5: a kind of assembling DC electric machine, comprise rotor 1 and be evenly distributed on two above rotor magnetic poles 2 on rotor 1 periphery and be installed in the outer permanent magnet stator 3 of rotor magnetic pole 2, wherein, also be fixed with engine commutator 4 on the main shaft of described rotor magnetic pole 2, mutually insulated between each commutator segment 4 ' on the described commutator 4, wherein: described rotor magnetic pole 2 is made up of soft magnetic bodies 5 and winding coil 6, described soft magnetic bodies 5 one ends are connected with described rotor 1, and the other end is wound with described winding coil 6; Described each winding coil 6 is connected with described commutator segment 4 ' through lead;
Described soft magnetic bodies 5 bottoms have comb teeth 7, have broach groove (7 ') on described rotor 1 periphery, and described comb teeth 7 is meshing with each other with broach groove 7 ', and tightens up by steady pin 9.
Have teeth through hole 8 on the teeth of described comb teeth 7, have cell wall through hole 8 ' on the cell wall of described broach groove 7 ', be installed with same steady pin 9 in described teeth through hole 8 and the cell wall through hole 8 '.
The cylindrical structure that described rotor 1 is made up of circular silicon steel sheet stack more than three, the periphery of described circular silicon steel sheet evenly has groove, described circular silicon steel sheet also have a through hole, when forming rotor 1, the through hole and the groove of adjacent silicon steel disc are overlapping, form described broach groove 7 ' and cell wall through hole 8 '.
Difference coiling winding coil 6 on each soft magnetic bodies 5 is made two on all four rotor magnetic poles 2 of above winding structure earlier, makes the workmanship of rotor magnetic pole 2 stable.In the broach groove 7 ' that the comb teeth 7 of each rotor magnetic pole 2 is inserted on rotor 1 sidewall, described steady pin 9 is inserted described teeth through hole 8 and cell wall through hole 8 ' again, realization rotor 1, steady pin 9 are fixedlyed connected with rotor magnetic pole 2.Motor is in operation, avoids the winding coil 6 mass distribution inequalities of rotor magnetic pole 2, avoid producing vibration and noise.
The quantity of described rotor magnetic pole 2 is even number, each rotor magnetic pole 2 is evenly distributed on the periphery of described rotor 1, and in the wire bonds of two rotor magnetic pole 2 winding coils 6 on the same diameter on same described commutator segment 4 ', when electric current during by described winding coil 6, the magnetic line of force direction unanimity of these two rotor magnetic poles 2.
The quantity of rotor magnetic pole 2 is even number, rotor magnetic pole 2 formed number of magnetic poles pairings have been guaranteed, two rotor magnetic poles 2 on the same diameter are a pair of, each is separate to rotor magnetic pole 2, during machine operation, each commutator segment 4 ' alternately contacts the electric current of accepting to send in the brush with motor brush, electric current can only flow through one to two pair of rotor magnetic pole 2 and commutator segment 4 ', all the other rotor magnetic pole 2 no currents.
Described soft magnetic bodies 5 is superimposed fluid-tight engagement between each diskette 5 ' by three above T-shape diskettes 5 '.
Closely bond between the diskette 5 ' and be convenient to the magnetic line of force and pass through.Described T-shape diskette 5 ' is a silicon steel sheet.
Two crescent permanent magnets 10,10 ' are installed on the described stator 3, and these two crescent permanent magnets 10,10 ' are centered around outside the described rotor 1, arrange axisymmetricly with the main shaft of described rotor 1.
The inner concave of described two crescent permanent magnets 10,10 ' has groove 11.
Institute's recessing 11 is convenient to the magnetic line of force and is passed from rotor magnetic pole 2 more fully.
Operation principle of the present invention is as follows:
As shown in Figure 4: establishing A is the N utmost point, and A ' is the S utmost point, and A is subjected to the gravitation of the right S utmost point and the thrust of the N utmost point simultaneously so, moves upward; A ' is subjected to the thrust of the gravitation and the S utmost point of the left side N utmost point simultaneously, moves downward.Produce dual moment, rotor counterclockwise rotates.
When rotor forwarded A-A ' phase, B-B ' phase junction to, A-A ' and B-B ' had electric current to flow through, and then A, B are all the N utmost point, and A ', B ' are all the S utmost point.Rotor still is subjected to the double action of stator magnet field force, continues to keep to be rotated counterclockwise, and cuts off the power supply mutually up to A-A ', and when B-B ' switched on separately mutually, rotor kept being rotated counterclockwise.
Claims (6)
1, a kind of assembling DC electric machine, comprise rotor (1), and be evenly distributed on two the above rotor magnetic poles (2) on rotor (1) periphery and be installed in the outer permanent magnet stator (3) of rotor magnetic pole (2), wherein, also be fixed with engine commutator (4) on the main shaft of described rotor magnetic pole (2), described commutator (4) is gone up mutually insulated between each commutator segment (4 '), it is characterized in that: described rotor magnetic pole (2) is made up of soft magnetic bodies (5) and winding coil (6), described soft magnetic bodies (5) one ends are connected with described rotor (1), and the other end is wound with described winding coil (6); Described each winding coil (6) is connected with described commutator segment (4 ') through lead;
Described soft magnetic bodies (5) bottom has comb teeth (7), has broach groove (7 ') on described rotor (1) periphery, and described comb teeth (7) is meshing with each other with broach groove (7 '), and tightens up by steady pin (9).
2, according to the described assembling DC electric machine of claim 1, it is characterized in that: have teeth through hole (8) on the teeth of described comb teeth (7), have cell wall through hole (8 ') on the cell wall of described broach groove (7 '), be installed with same steady pin (9) in described teeth through hole (8) and the cell wall through hole (8 ').
3, according to the described assembling DC electric machine of claim 1, it is characterized in that: the quantity of described rotor magnetic pole (2) is even number, each rotor magnetic pole (2) is evenly distributed on the periphery of described rotor (1), and in the wire bonds of two rotor magnetic poles (2) on the same diameter on same described commutator segment (4 '), when electric current passes through described winding coil (6), the magnetic line of force direction unanimity of these two rotor magnetic poles (2).
4, according to the described assembling DC electric machine of claim 1, it is characterized in that: described soft magnetic bodies (5) is superimposed by three above T-shape diskettes (5 '), fluid-tight engagement between each diskette (5 ').
5, according to the described assembling DC electric machine of claim 1, it is characterized in that: two crescent permanent magnets (10 are installed on the described stator (3), 10 '), these two crescent permanent magnets (10,10 ') be centered around outside the described rotor (1), arrange axisymmetricly with the main shaft of described rotor (1).
6, according to the described assembling DC electric machine of claim 5, it is characterized in that: the inner concave of described two crescent permanent magnets (10,10 ') has groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054448 CN1889339A (en) | 2006-07-14 | 2006-07-14 | Assembling DC electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610054448 CN1889339A (en) | 2006-07-14 | 2006-07-14 | Assembling DC electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1889339A true CN1889339A (en) | 2007-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610054448 Pending CN1889339A (en) | 2006-07-14 | 2006-07-14 | Assembling DC electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1889339A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414967A (en) * | 2009-04-29 | 2012-04-11 | 法雷奥电机设备公司 | Rotary electric machine with compensation of the armature magnetic reaction |
| CN104617730A (en) * | 2015-01-28 | 2015-05-13 | 李为超 | Self rotation direct current electromotor |
-
2006
- 2006-07-14 CN CN 200610054448 patent/CN1889339A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414967A (en) * | 2009-04-29 | 2012-04-11 | 法雷奥电机设备公司 | Rotary electric machine with compensation of the armature magnetic reaction |
| CN102414967B (en) * | 2009-04-29 | 2013-12-18 | 法雷奥电机设备公司 | Rotary electric machine with compensation of armature magnetic reaction |
| CN104617730A (en) * | 2015-01-28 | 2015-05-13 | 李为超 | Self rotation direct current electromotor |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |