CN204886460U - Mixed excitation automobile power generation machine rotor - Google Patents
Mixed excitation automobile power generation machine rotor Download PDFInfo
- Publication number
- CN204886460U CN204886460U CN201520481316.7U CN201520481316U CN204886460U CN 204886460 U CN204886460 U CN 204886460U CN 201520481316 U CN201520481316 U CN 201520481316U CN 204886460 U CN204886460 U CN 204886460U
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- electric excitation
- gripper
- pawl pole
- generator rotor
- excitation
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Abstract
The utility model relates to an automobile power generation machine field especially relates to a mixed excitation automobile power generation machine rotor, include: the apparatus further comprises a rotating shaft. A pair of electric excitation claw utmost point, it overlaps in opposite directions establishes in the pivot, each electric excitation claw is extremely gone up equal interval and is provided with a plurality of grabhooks, the setting of pegging graft each other of the grabhook of a pair of electric excitation claw utmost point, a plurality of permanent magnetism magnet steel, each permanent magnetism magnet steel are installed respectively between two adjacent grabhooks of a pair of electric excitation claw utmost point. The utility model provides a compact structure, the magnet steel quantity is few, the magnetic property good, and small, light in weight, mixed excitation automobile power generation machine rotor that installation space is nimble.
Description
Technical field
The utility model relates to automobile current generator field, particularly relates to a kind of composite excitation automobile generator rotor.
Background technology
Traditional automobile current generator excitation carries out excitation by the electric current of epitrochanterian magnet exciting coil, and only have sub-fraction to be converted to magnetic energy for generating electricity by the electric energy of magnet exciting coil, utilization rate of electrical is low, and the consumption of electric energy is large.And automobile current generator low-speed performance is poor, on present domestic road, general people Duo Che squeezes, and numerous traffic lights and bus stop, cause automobile current generator be often in low speed heavy load even overburden run, easily cause generator stator-rotator coil scaling loss, initiating failure.And frequently storage battery useful life is easily shortened to storage battery discharge and recharge.
New and effective composite excitation automobile current generator is except rotor passing through except magnet exciting coil current excitation, permanent magnet is also had to provide excitation, both synthesize in air gap, regulate the electric current in magnet exciting coil and adjustable air-gap field, in conjunction with electronic voltage controller, the size in magnetic field just can regulate, and Magnetic control is easier to realize.But this composite excitation automobile current generator is owing to adding permanent magnet, the volume of rotor itself is increased, corresponding weight increases, and installing space is limited.
Utility model content
For above-mentioned technical problem, the utility model has designed and developed a kind of composite excitation automobile generator rotor, object is to provide a kind of compact conformation, magnet steel consumption is few, magnetic property good, and volume is little, lightweight, installing space composite excitation automobile generator rotor flexibly.
The technical scheme that the utility model provides is:
A kind of composite excitation automobile generator rotor, comprising:
Rotating shaft;
A pair electric excitation pawl pole, it is set in described rotating shaft in opposite directions, and each electric excitation pawl is extremely gone up and is all arranged at intervals with multiple gripper, and the mutual grafting of gripper of a pair electric excitation pawl pole is arranged;
Multiple permanent magnetic steel, each permanent magnetic steel is arranged between two adjacent grippers of a pair electric excitation pawl pole respectively.
Multiple permanent magnetic steel and a pair electric excitation pawl pole form integral structure, both decrease spatial volume, and alleviate the quality of automobile generator rotor itself, ensure that power output again simultaneously.
Preferably, in described composite excitation automobile generator rotor, multiple permanent magnetic steel a pair electric excitation pawl extremely in sinusoidal wave shape distribution, can ensure like this be energized time export waveform close to sine wave.
Preferably, in described composite excitation automobile generator rotor, each electric excitation pawl pole comprises a sleeved part and is vertically set on multiple grippers of described sleeved part periphery, each gripper is all set to the wedge shape that is large, is little, and the arrangement mode of two adjacent grippers of a pair electric excitation pawl pole is:
The little head end of the gripper of the stub end of the gripper of an electric excitation pawl pole and another electric excitation pawl pole is adjacent, and the stub end of the gripper of the little head end of the gripper of an electric excitation pawl pole and another electric excitation pawl pole is adjacent.Multiple grippers of such two electric excitation pawl poles also form sinusoidal wave shape distribution, and the waveform that a pair electric excitation pawl pole exports after powered up is also close to sine wave.
Preferably, in described composite excitation automobile generator rotor, the sidepiece of the gripper of described electric excitation pawl pole offers a groove, the sidepiece of two adjacent grippers of a pair electric excitation pawl pole complements each other to form the accommodation space of described permanent magnetic steel, permanent magnetic steel is placed in this accommodation space, farthest reduces the overall volume of generator amature under the prerequisite improving power output.
Preferably, in described composite excitation automobile generator rotor, stub end and the described sleeved part of described gripper are fixed, and the little head end of described gripper deviates from described sleeved part and stretches out, so that the mutual grafting of two electric excitation pawl poles.
Preferably, in described composite excitation automobile generator rotor, the sleeved part of described electric excitation pawl pole is the disk offering through hole in the middle of, and the size of described through hole is consistent with the diameter of described rotating shaft, and a pair electric excitation pawl pole is fixed by this through hole and rotating shaft.
Preferably, in described composite excitation automobile generator rotor, each permanent magnetic steel superposes distribution in the same way with the magnetic flux of adjacent two grippers, is beneficial to multiple permanent magnetic steel and a pair superposition synthesis of electric excitation pawl pole in air gap, ensures that air gap is even.
Preferably, in described composite excitation automobile generator rotor, each permanent magnetic steel is all set to strip, is convenient to permanent magnetic steel and inserts smoothly in groove.
Preferably, in described composite excitation automobile generator rotor, the side of described a pair electric excitation pawl pole is also provided with a slip ring, and described slip ring sleeve is located in described rotating shaft, and a pair electric excitation pawl pole is connected with electronic controller by slip ring.
In composite excitation automobile generator rotor described in the utility model, in the accommodation space formed by the gripper multiple permanent magnetic steel being fixed on a pair electric excitation pawl pole, and multiple grippers of multiple permanent magnetic steel and a pair electric excitation pawl pole are all distributed in sinusoidal wave shape, under the prerequisite improving power output, reduce the volume of whole automobile generator rotor, make the compact conformation of this automobile generator rotor, installing space is convenient more flexibly.And the structure of this automobile generator rotor is simple, by permanent magnetic steel is arranged to strip, a pair electric excitation pawl grafting extremely mutually, not only reduce magnet steel consumption, also due to the particularity of the two arrangement mode, ensure that magnetic property is good, ensure that air gap is even, two magnetic fields that multiple permanent magnetic steel and a pair electric excitation pawl pole are produced after powered up mutually superpose synthesis in air gap, and the specific power of whole generator amature is high, exports larger power when weight is identical.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of composite excitation automobile generator rotor described in the utility model;
Fig. 2 is the schematic diagram of electric excitation pawl pole described in the utility model;
Fig. 3 is that the installation of a pair electric excitation pawl pole of the present utility model and multiple permanent magnetic steel is arranged schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification word to make those skilled in the art.
As shown in Figure 1-2, the utility model provides a kind of composite excitation automobile generator rotor, comprising: rotating shaft 1.A pair electric excitation pawl pole 2, it is set in described rotating shaft in opposite directions, each electric excitation pawl is extremely gone up and is all arranged at intervals with multiple gripper 3, the mutual grafting of gripper of a pair electric excitation pawl pole is arranged, namely the gripper of an electric excitation pawl pole and the gripper of another electric excitation pawl pole are dislocatedly distributed, and the two forms clamping shape.Multiple permanent magnetic steel 4, each permanent magnetic steel is arranged between two adjacent grippers of a pair electric excitation pawl pole respectively, multiple permanent magnetic steel a pair electric excitation pawl extremely in sinusoidal wave shape distribution, each permanent magnetic steel is all obliquely installed, adjacent two permanent magnetic steels are formed analog-U shaped, multiple permanent magnetic steel annular spread forms continuous print sinusoidal wave shape curve in the periphery of rotating shaft, with sine wave output after powered up.
In described composite excitation automobile generator rotor, each electric excitation pawl pole comprises a sleeved part 5 and is vertically set on multiple grippers of described sleeved part periphery, each gripper is all set to the wedge shape that large, little, multiple grippers of a pair electric excitation pawl pole are arranged in opposite directions, mutual grafting, is formed and fastens shape.The arrangement mode of two adjacent grippers of a pair electric excitation pawl pole is: the stub end 6 of the gripper of an electric excitation pawl pole is adjacent with the little head end 7 of the gripper of another electric excitation pawl pole, the stub end of the gripper of the little head end of the gripper of an electric excitation pawl pole and another electric excitation pawl pole is adjacent, and namely multiple gripper is formed large and small, large after grafting ... spaced apart.The sidepiece of the gripper of described electric excitation pawl pole offers a groove 8, and the groove of adjacent two grippers is arranged in opposite directions, and the sidepiece of two adjacent grippers of a pair electric excitation pawl pole complements each other to form the accommodation space of described permanent magnetic steel.When not installing permanent magnetic steel, be reserved with space between two grippers that a pair electric excitation pawl is extremely adjacent, the groove that the sidepiece of this space and adjacent two grippers is offered forms the accommodation space of permanent magnetic steel jointly.
In described composite excitation automobile generator rotor, stub end and the described sleeved part of described gripper are fixed, and the little head end of described gripper deviates from described sleeved part and stretches out, and form divergent shape.Namely the sharp parts of gripper is outwardly, and the mutual installation being convenient to a pair electric excitation pawl pole coordinates, and stub end and the sleeved part of gripper are one-body molded, is convenient to process, and the fastness having improved device whole.
As shown in Figure 2, in described composite excitation automobile generator rotor, the sleeved part of described electric excitation pawl pole is the disk offering through hole in the middle of, the size of described through hole is consistent with the diameter of described rotating shaft, rotating shaft is connected with other components through the through hole of the sleeved part of a pair electric excitation pawl pole, the thickness of sleeved part central authorities is greater than the thickness of periphery, increases the contact area with rotating shaft.
As shown in Figure 3, in described composite excitation automobile generator rotor, each permanent magnetic steel superposes distribution in the same way with the magnetic flux of adjacent two grippers.After energising, the gripper of an electric excitation pawl pole is N pole, the gripper of another electric excitation pawl pole is S pole, then be arranged on permanent magnetic steel between two extremely adjacent grippers of two electric excitation pawls and gripper grafting fixing one end in S pole is also S pole, the one end fixed with the gripper grafting of N pole is also N pole, to ensure magnetic flux in the same way, be beneficial to the superposition synthesis in two magnetic fields.
In described composite excitation automobile generator rotor, each permanent magnetic steel is all set to strip, during installation, is inserted permanent magnetic steel one end from the groove of gripper, and finally fixes in a groove, thus is coupled together by adjacent two grippers.
In described composite excitation automobile generator rotor, the side of described a pair electric excitation pawl pole is also provided with a slip ring 9, described slip ring sleeve is located in described rotating shaft, and a pair electric excitation pawl pole is connected with electronic controller by slip ring, is regulated the size in magnetic field by electronic controller.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (9)
1. a composite excitation automobile generator rotor, is characterized in that, comprising:
Rotating shaft;
A pair electric excitation pawl pole, it is set in described rotating shaft in opposite directions, and each electric excitation pawl is extremely gone up and is all arranged at intervals with multiple gripper, and the mutual grafting of gripper of a pair electric excitation pawl pole is arranged;
Multiple permanent magnetic steel, each permanent magnetic steel is arranged between two adjacent grippers of a pair electric excitation pawl pole respectively.
2. composite excitation automobile generator rotor as claimed in claim 1, is characterized in that, multiple permanent magnetic steel a pair electric excitation pawl extremely on the distribution in sinusoidal wave shape.
3. composite excitation automobile generator rotor as claimed in claim 2, it is characterized in that, each electric excitation pawl pole comprises a sleeved part and is vertically set on multiple grippers of described sleeved part periphery, each gripper is all set to the wedge shape that is large, is little, and the arrangement mode of two adjacent grippers of a pair electric excitation pawl pole is:
The little head end of the gripper of the stub end of the gripper of an electric excitation pawl pole and another electric excitation pawl pole is adjacent, and the stub end of the gripper of the little head end of the gripper of an electric excitation pawl pole and another electric excitation pawl pole is adjacent.
4. composite excitation automobile generator rotor as claimed in claim 3, it is characterized in that, the sidepiece of the gripper of described electric excitation pawl pole offers a groove, and the sidepiece of two adjacent grippers of a pair electric excitation pawl pole complements each other to form the accommodation space of described permanent magnetic steel.
5. composite excitation automobile generator rotor as claimed in claim 3, it is characterized in that, stub end and the described sleeved part of described gripper are fixed, and the little head end of described gripper deviates from described sleeved part and stretches out.
6. composite excitation automobile generator rotor as claimed in claim 3, is characterized in that, the sleeved part of described electric excitation pawl pole is the disk offering through hole in the middle of, and the size of described through hole is consistent with the diameter of described rotating shaft.
7. composite excitation automobile generator rotor as claimed in claim 1, it is characterized in that, each permanent magnetic steel superposes distribution in the same way with the magnetic flux of adjacent two grippers.
8. composite excitation automobile generator rotor as claimed in claim 1, it is characterized in that, each permanent magnetic steel is all set to strip.
9. composite excitation automobile generator rotor as claimed in claim 1, it is characterized in that, the side of described a pair electric excitation pawl pole is also provided with a slip ring, and described slip ring sleeve is located in described rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481316.7U CN204886460U (en) | 2015-07-06 | 2015-07-06 | Mixed excitation automobile power generation machine rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520481316.7U CN204886460U (en) | 2015-07-06 | 2015-07-06 | Mixed excitation automobile power generation machine rotor |
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| Publication Number | Publication Date |
|---|---|
| CN204886460U true CN204886460U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520481316.7U Active CN204886460U (en) | 2015-07-06 | 2015-07-06 | Mixed excitation automobile power generation machine rotor |
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| CN (1) | CN204886460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048668A (en) * | 2015-07-06 | 2015-11-11 | 北京奥博汽车电子电器有限公司 | Mixed excitation automobile generator rotor |
-
2015
- 2015-07-06 CN CN201520481316.7U patent/CN204886460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048668A (en) * | 2015-07-06 | 2015-11-11 | 北京奥博汽车电子电器有限公司 | Mixed excitation automobile generator rotor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |