CN104753282A - Brushless claw-pole power generator with external retainer - Google Patents
Brushless claw-pole power generator with external retainer Download PDFInfo
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- CN104753282A CN104753282A CN201510168650.1A CN201510168650A CN104753282A CN 104753282 A CN104753282 A CN 104753282A CN 201510168650 A CN201510168650 A CN 201510168650A CN 104753282 A CN104753282 A CN 104753282A
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- mandrel
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- housing
- retainer
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Abstract
The invention discloses a brushless claw-pole power generator with an external retainer. The brushless claw-pole power generator with the external retainer comprises a shell and an excitation iron core in the shell, an excitation winding is wound on the excitation iron core, a mandrel I and a mandrel II are arranged at the centers of left and right ends of the excitation iron core respectively, a stator winding is fixed onto the inner wall of the shell, the retainer is mounted on the right end face of the outer wall of the shell, the mandrel I is fixedly arranged at the left end of the inner wall of the shell, and the mandrel II penetrates the right end of the shell to be fixedly arranged on the retainer. A left claw pole and a right claw pole are rotatable and in opposite arrangement and externally sleeves the excitation iron core in the shell, cylindrical left and right transmission shafts are fixedly arranged at the centers of the outer end faces of the left and right claw poles respectively, and the right transmission shaft externally sleeves the mandrel II and penetrates out of the right end of the shell. Annular nonmagnetic rings are mounted at the outer edges of the outer end faces of the left claw pole and the right claw pole respectively. The brushless claw-pole power generator with the external retainer has the advantages that abrasion caused by an electric brush is avoided, service life of the power generator is prolonged, and the problems of short circuit, aging of parts, fire hazards and the like are prevented.
Description
Technical field
The present invention relates to electrical generator fields, particularly a kind of additional holder-type brush-free claw-pole motor.
Background technology
Existing claw-pole type generator mainly comprise stator on housing and inwall thereof, rotor and on magnet exciting coil and pawl pole, between housing and rotor, brush is installed, external power source is energized to epitrochanterian magnet exciting coil through brush, thus forms magnetic flux to the pawl pole at magnet exciting coil two ends.During work, under the power set transmission of vehicle, the magnetic field on rotor claw pole and surface thereof starts to rotate, stator winding cutting magnetic induction line, thus external generation current.There is some deficiency following in the claw-pole type generator of this structure:
1, brush is in long-term rotation process, can cause wearing and tearing, reduces the operating efficiency of generator and shortens the useful life of generator.
2, the powder that wear of brush is got off can cause short circuit to brush and motor internal electronic device.
3, brush can produce heat and spark in wear process, accelerates the aging of peripheral parts and causes fire to the vehicle of use fuel oil.
Summary of the invention
The present invention is to solve the problems of the technologies described above, and provides a kind of additional holder-type brushless claw pole electric generator, the wearing and tearing that this claw pole electric generator brushless causes, and extends the useful life of generator, prevents the generation of the phenomenons such as short circuit, part aging, fire.
Technical solution of the present invention is: a kind of additional holder-type brushless claw pole electric generator, comprise housing, field core is provided with in described housing, described field core is provided with the excitation winding that circumference is wound around, center, two ends, described field core left and right correspondence is provided with mandrel I and mandrel II, in described inner walls, corresponding excitation winding place is installed with stator winding, its special character is: on described housing exterior walls right side, be provided with retainer, described mandrel I is installed in inner walls left end, described mandrel II passes described housing right-hand member and is installed on retainer, be positioned in described housing and outside described field core, be arranged with two positioned opposite and rotating left pawl pole and right pawl poles, the left and right power transmission shaft of tubular is installed with in center, described left and right pawl extreme outer face correspondence, described Left Drive axle sleeve is outside mandrel I, described right driving sleeve is outer and pass described housing right-hand member at described mandrel II, and described right power transmission shaft is provided with drive between described housing and retainer, annular non-magnetic ring is respectively arranged with in the outer face outer rim of described left pawl pole and right pawl pole.
The bearing I that circumference is rotated is installed between described right power transmission shaft and described housing, the bearing I I that circumference is rotated is installed between described Left Drive axle and described inner walls left end.
Described field core is provided with the string holes that excitation winding communicates with the external world, and the lead-in wire of described excitation winding passes the housing external world by described string holes.
Described non-magnetic ring and be connected with screw between left pawl pole and right pawl pole.
The invention has the beneficial effects as follows:
1, on housing exterior walls right side, retainer is installed, the mandrel I of the field core left end in housing is fixed on inner walls left end, the mandrel II of field core right-hand member passes housing right-hand member and is fixed on retainer, lead-in wire is passed the housing external world by the string holes on field core by excitation winding, instead of original brush structure, avoid the wearing and tearing that brush causes, extend the useful life of generator, reduce the generation of the phenomenons such as short circuit, part aging, fire.
2, field core and on excitation winding be fixed on inner walls left end by mandrel I, be fixed on retainer by mandrel II, after excitation winding energising, magnetic flux is formed to the left and right pawl pole being enclosed within excitation winding outside; To be fixed by screw between left and right pawl pole and by the left and right drive axis on right pawl extreme outer face, stator winding generation cutting magnetic induction line in the pawl pole of formation magnetic flux and inner walls is moved, thus on stator winding, form electric current and then outside electric elements are powered, the parts such as brushless, collector ring, structure is simple, easy to operate.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-housing, 2-retainer, 3-field core, 4-excitation winding, the left pawl pole of 5-, the right pawl pole of 6-, the right power transmission shaft of 7-, 8-bearing I, 9-drive, the non-magnetic ring of 10-, 11-screw, 12-stator winding, 13-bearing I I, 14-Left Drive axle, 301-mandrel I, 302-mandrel II, 303-string holes.
Embodiment
As shown in the figure, a kind of additional holder-type brushless claw pole electric generator, comprise housing 1, described housing 1 outer wall right side is provided with retainer 2, field core 3 is provided with in described housing 1, center, described field core about 3 two ends respectively correspondence is provided with mandrel I301 and mandrel II302, and described mandrel I301 is installed in housing 1 inwall left end, and described mandrel II302 passes described housing 1 outer wall right side and is installed on retainer 2, described field core 3 is provided with the excitation winding 4 that circumference is wound around, described field core 3 is provided with the string holes 303 of being drawn by the lead end of excitation winding 4, be positioned in described housing 1 and the mandrel I301 of described field core 3 and mandrel II302 be arranged with two left pawl poles 5 positioned opposite and right pawl pole 6, the pawl pole dislocation of left pawl pole 5 and right pawl pole 6 is arranged, on a described left side, right pawl pole 5, 6 center, outer face correspondences are installed with a left side for tubular, right power transmission shaft 14, 7, described Left Drive axle 14 is enclosed within outside described mandrel I301, on described Left Drive axle 14, corresponding described housing 1 left end is provided with bearing I I 13, it is outer and pass described housing 1 right side that described right power transmission shaft 7 is enclosed within described mandrel II302, on described right power transmission shaft 7, corresponding described housing 1 right-hand member is provided with bearing I 8, described right power transmission shaft 7 is installed with drive 9 between described housing 1 and retainer, the non-magnetic ring 10 of annular is placed with respectively, described non-magnetic ring 10 and being fixed together respectively by screw 11 between left pawl pole 5 and right pawl pole 6 at the outer rim place, outer face of described left pawl pole 5 and right pawl pole 6, on described housing 1 inwall, corresponding excitation winding 4 place is installed with stator winding 12.
During operation, first lead to direct current to the lead-in wire of excitation winding 4, thus form stable magnetic flux between left and right pawl pole 5,6, the power set simultaneously starting car body drive drive 9, and then drive left and right pawl pole 5,6 to rotate; There is cutting magnetic induction line effect with the stator winding 12 on the left and right pawl pole 5,6 of magnetic flux and housing 1 inwall, thus on stator winding 12 generation current, complete operation.
Claims (4)
1. an additional holder-type brushless claw pole electric generator, comprise housing, field core is provided with in described housing, described field core is provided with the excitation winding that circumference is wound around, center, two ends, described field core left and right respectively correspondence is provided with mandrel I and mandrel II, in described inner walls, corresponding excitation winding place is installed with stator winding, it is characterized in that: on described housing exterior walls right side, retainer is installed, described mandrel I is installed in inner walls left end, and described mandrel II passes described housing right-hand member and is installed on retainer; Be positioned in described housing and outside described field core, be arranged with two positioned opposite and rotating left pawl pole and right pawl poles, the left and right power transmission shaft of tubular is installed with in the punishment of center, described left and right pawl extreme outer face, described right driving sleeve is outer and pass described housing right-hand member at described mandrel II, and described right power transmission shaft is provided with drive between described housing and retainer; Annular non-magnetic ring is respectively arranged with in the outer face outer rim of described left pawl pole and right pawl pole.
2. additional holder-type generator according to claim 1, is characterized in that: be provided with the bearing I that circumference is rotated between described right power transmission shaft and described housing, is provided with the bearing I I that circumference is rotated between described Left Drive axle and described inner walls left end.
3. additional holder-type generator according to claim 1, is characterized in that: on described field core, be provided with the string holes that excitation winding communicates with the external world, the lead-in wire of described excitation winding passes the housing external world by described string holes.
4. additional holder-type generator according to claim 1, is characterized in that: described non-magnetic ring and be connected with screw between left pawl pole and right pawl pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168650.1A CN104753282B (en) | 2015-04-10 | 2015-04-10 | Additional holder-type brushless claw pole electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168650.1A CN104753282B (en) | 2015-04-10 | 2015-04-10 | Additional holder-type brushless claw pole electric generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753282A true CN104753282A (en) | 2015-07-01 |
| CN104753282B CN104753282B (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168650.1A Active CN104753282B (en) | 2015-04-10 | 2015-04-10 | Additional holder-type brushless claw pole electric generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649650A (en) * | 2020-11-18 | 2021-04-13 | 华北电力大学（保定） | Device for measuring generator shaft voltage, measuring method and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01318532A (en) * | 1988-06-16 | 1989-12-25 | Hitachi Ltd | Rotor of brushless ac generator |
| EP0544092A1 (en) * | 1991-11-26 | 1993-06-02 | Mitsubishi Denki Kabushiki Kaisha | A device for starting an engine and generating power |
| CN2733675Y (en) * | 2004-05-27 | 2005-10-12 | 陈鹏 | Rolling conducting AC automobile generator |
| CN2817197Y (en) * | 2005-07-26 | 2006-09-13 | 刘月水 | Split automobile brushless generator |
| CN204465289U (en) * | 2015-04-10 | 2015-07-08 | 锦州汉拿电机有限公司 | Additional holder-type brushless claw pole electric generator |
-
2015
- 2015-04-10 CN CN201510168650.1A patent/CN104753282B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01318532A (en) * | 1988-06-16 | 1989-12-25 | Hitachi Ltd | Rotor of brushless ac generator |
| EP0544092A1 (en) * | 1991-11-26 | 1993-06-02 | Mitsubishi Denki Kabushiki Kaisha | A device for starting an engine and generating power |
| CN2733675Y (en) * | 2004-05-27 | 2005-10-12 | 陈鹏 | Rolling conducting AC automobile generator |
| CN2817197Y (en) * | 2005-07-26 | 2006-09-13 | 刘月水 | Split automobile brushless generator |
| CN204465289U (en) * | 2015-04-10 | 2015-07-08 | 锦州汉拿电机有限公司 | Additional holder-type brushless claw pole electric generator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649650A (en) * | 2020-11-18 | 2021-04-13 | 华北电力大学（保定） | Device for measuring generator shaft voltage, measuring method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104753282B (en) | 2017-12-29 |
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