CN201918872U - Electric excitation brushless generator provided with permanent magnet - Google Patents
Electric excitation brushless generator provided with permanent magnet Download PDFInfo
- Publication number
- CN201918872U CN201918872U CN2011200126213U CN201120012621U CN201918872U CN 201918872 U CN201918872 U CN 201918872U CN 2011200126213 U CN2011200126213 U CN 2011200126213U CN 201120012621 U CN201120012621 U CN 201120012621U CN 201918872 U CN201918872 U CN 201918872U
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- utmost point
- permanent magnet
- magnetic field
- electric excitatory
- polarity
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- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses an electric excitation brushless generator provided with a permanent magnet, which comprises a front end cover, a rear end cover, a stator assembly and a rotor assembly. The rotor assembly consists of a front claw pole, a rear claw pole, the permanent magnet and a magnet yoke which are mounted in the stator assembly by the aid of the front cover and the rear end cover in a rack manner, the rear claw pole is fixed onto the front claw pole, the permanent magnet is arranged in a lateral gap between the front claw pole and the rear claw pole, an excitation winding is disposed on an inner stator, the inner stator is mounted in a gap formed by the magnet yoke, the front claw pole and the rear claw pole and is fixed onto the rear end cover, fans are arranged on two sides of the rotor assembly, a rectifying system is arranged on the rear end cover and connected with an armature winding of the stator assembly, and an adjuster is fixed onto the rear end cover and connected with the excitation winding. After the structure is adopted, output power of the generator and performances of electrical appliances are evidently improved.
Description
Technical field
The utility model relates to technical field of motors, particularly a kind of electric excitatory brushless generator that permanent magnetism is installed.
Background technology
At present, known generator can be divided into two kinds: a kind of generator that is permanent magnetic field as generator field, and its magnetic field is constant, is difficult for adjusting its power output; Another kind is the generator of direct current excitatory magnetic field as generator field, its power output can be adjusted by adjusting exciting curent in its magnetic field, but this generator needs more non-ferrous metal and permeability magnetic material, makes its volume and weight all bigger, cause waste of raw materials, and use inconvenience.
Summary of the invention
The purpose of this utility model is to provide a kind of and constitutes the electric excitatory brushless generator of motor-field jointly by permanent magnetic field and electric excitatory magnetic field, to overcome the deficiency of prior art.
The technical scheme that its technical problem that solves the utility model adopts is: front end housing, rear end cap will constitute the fore paw utmost point of rotor assembly, the rear solid end utmost point, permanent magnet, magnetic yoke is contained in the field frame assembly, the rear solid end utmost point is fixed on fore paw and extremely goes up, permanent magnet is arranged in the side gap between the fore paw utmost point and the rear solid end utmost point, field winding is arranged on the internal stator, the internal stator frame is contained in the yoke and the fore paw utmost point, in the space that the rear solid end utmost point constitutes and be fixed on the rear end cap, fan is arranged in the rotor assembly both sides, commutation system is arranged on the rear end cap and links to each other with the armature winding of field frame assembly, and adjuster is fixed on the rear end cap and links to each other with field winding.
The polarity of the magnetic field of described rotor assembly permanent magnet, electric excitatory magnetic field polarity being distributed as on the generator amature assembly: the electric excitatory magnetic field N utmost point, the permanent magnet N utmost point, the permanent magnet S utmost point, the electric excitatory magnetic field S utmost point, the permanent magnet S utmost point, the permanent magnet N utmost point, the electric excitatory magnetic field N utmost point, the permanent magnet N utmost point, the permanent magnet S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet is N-S, S-N, N-S, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets is identical arbitrarily for it.
The polarity of the magnetic field of described rotor assembly permanent magnet, the another kind of electric excitatory magnetic field polarity on generator amature are distributed as: the electric excitatory magnetic field N utmost point, the permanent magnet N utmost point, the permanent magnet S utmost point, the electric excitatory magnetic field S utmost point, the electric excitatory magnetic field N utmost point, the permanent magnet N utmost point, the permanent magnet S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet is N-S, N-S, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets is opposite arbitrarily for it.
The polarity of the magnetic field of described rotor assembly permanent magnet, electric excitatory magnetic field polarity another on generator amature are distributed as: the electric excitatory magnetic field S utmost point, the permanent magnet S utmost point, the permanent magnet N utmost point, the electric excitatory magnetic field N utmost point, the electric excitatory magnetic field S utmost point, the permanent magnet S utmost point, the permanent magnet N utmost point, the electric excitatory magnetic field N utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet is S-N, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets is opposite arbitrarily for it.
The beneficial effects of the utility model are that magnetic field of permanent magnet and electric excitatory magnetic field interact, and the effective magnetic field that makes generator be used for work can arbitrarily be adjusted according to the power output needs, and the generator volume is obviously reduced, and power output increases.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the utility model longitudinal section.
Fig. 2 is a sectional elevation when all packing permanent magnet in the utility model fore paw utmost point, the rear solid end utmost point side gap.
Fig. 3 is the another kind of permanent magnet sectional elevation of installing in the utility model fore paw utmost point, the rear solid end utmost point side gap.
Fig. 4 is that another installs the permanent magnet sectional elevation in the utility model fore paw utmost point, the rear solid end utmost point side gap.
1. front end housings among the figure, 2. the fore paw utmost point, 3. permanent magnet, 4. the rear solid end utmost point, 5. field frame assembly, 6. field winding, 7. internal stator, 8. rear end cap, 9. commutation system, 10. adjuster, 11. fans, 12. yokes.
Embodiment
In Fig. 1, front end housing (1), rear end cap (8) will constitute the fore paw utmost point (2) of rotor assembly, the rear solid end utmost point (4), permanent magnet (3), yoke (12) frame is contained in the field frame assembly (5), the rear solid end utmost point (4) is fixed on the fore paw utmost point (2), permanent magnet (3) is arranged in the side gap between the fore paw utmost point (2) and the rear solid end utmost point (4), field winding (6) is arranged on the internal stator (7), internal stator (7) frame is contained in the yoke (12) and the fore paw utmost point (2), in the space that the rear solid end utmost point (4) constitutes and be fixed on the rear end cap (8), fan (11) is arranged in the rotor assembly both sides, commutation system (9) is arranged in rear end cap (8) and upward links to each other with the armature winding of field frame assembly (5), and adjuster (10) is fixed on rear end cap (8) and upward links to each other with field winding (6).
In Fig. 2, the permanent magnet (3) of all packing in the fore paw utmost point (2), the rear solid end utmost point (4) side gap; The polarity of the magnetic field of permanent magnet (3), electric excitatory magnetic field polarity being distributed as on the generator amature assembly: the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet (3) is N-S, S-N, N-S, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is identical arbitrarily for it.
In Fig. 3, the part permanent magnet (3) of packing in the fore paw utmost point (2), the rear solid end utmost point (4) side gap; The polarity of the magnetic field of rotor assembly permanent magnet (3), electric excitatory magnetic field polarity being distributed as on the generator amature assembly: the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Permanent magnet (3) put in order for: N-S, N-S,, go round and begin again and arrange full one week or local of rotor, adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is opposite arbitrarily for it.
In Fig. 4, the another part permanent magnet (3) of packing in the fore paw utmost point (2), the rear solid end utmost point (4) side gap; The polarity of the magnetic field of permanent magnet (3), electric excitatory magnetic field polarity being distributed as on the generator amature assembly: the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet (3) is S-N, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is opposite arbitrarily for it.
Claims (4)
1. the electric excitatory brushless generator of permanent magnetism is installed, comprise front end housing (1), rear end cap (8), field frame assembly (5), rotor assembly, fan (11), commutation system (9) and adjuster (10), it is characterized in that: front end housing (1), rear end cap (8) will constitute the fore paw utmost point (2) of rotor assembly, the rear solid end utmost point (4), permanent magnet (3), yoke (12) frame is contained in the field frame assembly (5), the rear solid end utmost point (4) is fixed on the fore paw utmost point (2), permanent magnet (3) is arranged in the side gap between the fore paw utmost point (2) and the rear solid end utmost point (4), field winding (6) is arranged on the internal stator (7), internal stator (7) frame is contained in the yoke (12) and the fore paw utmost point (2), in the space that the rear solid end utmost point (4) constitutes and be fixed on the rear end cap (9), fan (11) is arranged in the rotor assembly both sides, commutation system (9) is arranged in rear end cap (8) and upward links to each other with the armature winding of field frame assembly (5), and adjuster (10) is fixed on rear end cap (8) and upward links to each other with field winding (6).
2. the electric excitatory brushless generator of installation permanent magnetism according to claim 1, it is characterized in that: the polarity of the magnetic field of described rotor assembly permanent magnet (3), electric excitatory magnetic field polarity being distributed as on the generator amature assembly: the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet (3) is N-S, S-N, N-S, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is identical arbitrarily for it.
3. the electric excitatory brushless generator of installation permanent magnetism according to claim 1, it is characterized in that: the polarity of the magnetic field of described rotor assembly permanent magnet (3), the another kind of electric excitatory magnetic field polarity on the generator amature assembly are distributed as: the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, the electric excitatory magnetic field N utmost point, permanent magnet (3) the N utmost point, permanent magnet (3) the S utmost point, the electric excitatory magnetic field S utmost point, go round and begin again and arrange full one week or local of generator amature; Permanent magnet (3) put in order for: N-S, N-S,, go round and begin again and arrange full one week or local of rotor, adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is opposite arbitrarily for it.
4. the electric excitatory brushless generator of installation permanent magnetism according to claim 1, it is characterized in that: the polarity of the magnetic field of described rotor assembly permanent magnet (3), electric excitatory magnetic field polarity another on the generator amature assembly are distributed as: the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, the electric excitatory magnetic field S utmost point, permanent magnet (3) the S utmost point, permanent magnet (3) the N utmost point, the electric excitatory magnetic field N utmost point, go round and begin again and arrange full one week or local of generator amature; Putting in order of permanent magnet (3) is S-N, S-N, goes round and begins again and arranges full one week or local of rotor, and adjoiner polarity of the magnetic field of adjacent two permanent magnets (3) is opposite arbitrarily for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200126213U CN201918872U (en) | 2011-01-17 | 2011-01-17 | Electric excitation brushless generator provided with permanent magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200126213U CN201918872U (en) | 2011-01-17 | 2011-01-17 | Electric excitation brushless generator provided with permanent magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918872U true CN201918872U (en) | 2011-08-03 |
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ID=44418661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200126213U Expired - Fee Related CN201918872U (en) | 2011-01-17 | 2011-01-17 | Electric excitation brushless generator provided with permanent magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872837A (en) * | 2012-12-18 | 2014-06-18 | 田振荣 | High-efficiency automobile alternator |
| CN104022601A (en) * | 2014-06-19 | 2014-09-03 | 重庆华日电装品开发有限公司 | Low-noise vehicle AC generator |
-
2011
- 2011-01-17 CN CN2011200126213U patent/CN201918872U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872837A (en) * | 2012-12-18 | 2014-06-18 | 田振荣 | High-efficiency automobile alternator |
| CN103872837B (en) * | 2012-12-18 | 2016-06-22 | 田振荣 | A kind of high efficiency automobile current generator |
| CN104022601A (en) * | 2014-06-19 | 2014-09-03 | 重庆华日电装品开发有限公司 | Low-noise vehicle AC generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20170117 |