CN2539337Y - Stator excitation ac generator for motor vehicle - Google Patents
Stator excitation ac generator for motor vehicle Download PDFInfo
- Publication number
- CN2539337Y CN2539337Y CN 02229491 CN02229491U CN2539337Y CN 2539337 Y CN2539337 Y CN 2539337Y CN 02229491 CN02229491 CN 02229491 CN 02229491 U CN02229491 U CN 02229491U CN 2539337 Y CN2539337 Y CN 2539337Y
- Authority
- CN
- China
- Prior art keywords
- armature winding
- stator core
- double wedge
- winding
- rotor core
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a stator excitation type alternator for the motor vehicle, comprising a double wedge type rotor core, a double wedge type stator core, an exciting winding for generating magnetic field and an armature winding for generating electromotive force both embedded in the stator core. The utility model is characterized in that the magnetic polarities of every two double wedges in a pitch of the armature winding are different; the magnetic polarities generated by the adjacent exciting windings are different.
Description
Technical field
The related a kind of automobile-use stator excitation formula alternating current generator of the utility model is applied to various motor vehicles.
Background technology
Be applied to the alternating current generator of various motor vehicles at present, generally adopt rotor-exciting formula and stator excitation formula.Adopt the alternating current generator of rotor-exciting formula to have the high advantage of efficient, make complexity but shortcoming is a rotor, stock utilization is low, the cost height.And adopt the alternating current generator of stator excitation formula, and it is simple to have a rotor manufacturing, the stock utilization height, and the advantage that cost is low, but shortcoming is that its generating efficiency is low.
The utility model content
Technical problem to be solved in the utility model provides a kind of automobile-use stator excitation formula alternating current generator, and it can not only inherit its advantage, but also can improve generating efficiency.The technical scheme that solves this technical problem is: a kind of automobile-use stator excitation formula alternating current generator, comprise: double wedge formula rotor core, double wedge formula stator core, be embedded in excitation winding that is used for producing magnetic field on the stator core and the armature winding that produces electromotive force, it is characterized in that: the pole polarity of two double wedges is different in the same armature winding pitch, and the pole polarity that adjacent excitation winding produces is different.
And, excitation winding and armature winding are with identical pitch cross-distribution on the stator core circle, the rotor core raised teeth number equals seven or equal seven even-multiple, double wedge is equal with the angle of groove on the rotor core circle that is formed by double wedge, the stator core raised teeth number equals seven/twelvefold of rotor core raised teeth number, and the angle of groove notch on the stator core circle of setting the armature winding effective edge equals 1/3rd of rotor core groove angle.
And the pitch of excitation winding and armature winding is equal to 1.
When generator is worked, the double wedge of different magnetic poles polarity produces the magnetic interlinkage on double wedge on the rotor rotated iron core and the stator core, the angle of the moving double wedge of rotor core revolution, the main flux that passes armature winding with regard to alternation once, according to the law of electromagnetic induction, produce alternating electromotive force on the armature winding.Because rotor core is made up of seven double wedges, stator core is made up of 12 double wedges, causes each moment to pass the main magnetic flux of three adjacent successively armature winding; Perhaps main flux direction difference, the electromotive force that produces on the adjacent successively armature winding differs 120 on phase place., compare existing stator excitation formula generator and can raise the efficiency 1 times.
Description of drawings
Accompanying drawing is to reflect schematic diagram of the present utility model on the whole.
Embodiment
With reference to accompanying drawing, generator described in the utility model comprises: double wedge formula rotor core 3, double wedge formula stator core 4, be embedded in excitation winding 2 that is used for producing magnetic field on the stator core 4 and the armature winding 1 that produces electromotive force, its improvement is: pole polarity S, the N of two double wedges are different in same armature winding 1 pitch, and pole polarity S, N that adjacent excitation winding 2 produces are different.In order to improve the utilance of material, described rotor core 3 can be formed by stator core 4 clout stamping-outs.Described pitch is meant: two groove numbers (can consult relevant Electrical Motor teaching material) that effective edge is separated by in the same winding.
Further technical scheme can be: excitation winding 2 and armature winding 1 are with identical pitch cross-distribution on stator core 4 circles, rotor core 3 raised teeth numbers equal seven or equal seven even-multiple, double wedge is equal with the angle of groove on rotor core 3 circles that is formed by double wedge, stator core 4 raised teeth numbers equal seven/twelvefold of rotor core 3 raised teeth numbers, and the angle beta of groove notch on stator core 4 circles of setting armature winding 1 effective edge equals 1/3rd of rotor core 3 groove angle [alpha].
Can also be: the pitch of excitation winding 2 and armature winding 1 be equal to 1.
Claims (3)
1. automobile-use stator excitation formula alternating current generator, comprise: double wedge formula rotor core, double wedge formula stator core, be embedded in excitation winding that is used for producing magnetic field on the stator core and the armature winding that produces electromotive force, it is characterized in that: the pole polarity of two double wedges is different in the same armature winding pitch, and the pole polarity that adjacent excitation winding produces is different.
2. alternating current generator according to claim 1, it is characterized in that: excitation winding and armature winding are with identical pitch cross-distribution on the stator core circle, the rotor core raised teeth number equals seven or equal seven even-multiple, double wedge is equal with the angle of groove on the rotor core circle that is formed by double wedge, the stator core raised teeth number equals seven/twelvefold of rotor core raised teeth number, and the angle of groove notch on the stator core circle of setting the armature winding effective edge equals 1/3rd of rotor core groove angle.
3. alternating current generator according to claim 1 and 2 is characterized in that: the pitch of excitation winding and armature winding is equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229491 CN2539337Y (en) | 2002-05-22 | 2002-05-22 | Stator excitation ac generator for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02229491 CN2539337Y (en) | 2002-05-22 | 2002-05-22 | Stator excitation ac generator for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2539337Y true CN2539337Y (en) | 2003-03-05 |
Family
ID=33705788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02229491 Expired - Fee Related CN2539337Y (en) | 2002-05-22 | 2002-05-22 | Stator excitation ac generator for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2539337Y (en) |
-
2002
- 2002-05-22 CN CN 02229491 patent/CN2539337Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |