CN112072812A - Hybrid excitation generator with vacuum pump - Google Patents
Hybrid excitation generator with vacuum pump Download PDFInfo
- Publication number
- CN112072812A CN112072812A CN202010980941.1A CN202010980941A CN112072812A CN 112072812 A CN112072812 A CN 112072812A CN 202010980941 A CN202010980941 A CN 202010980941A CN 112072812 A CN112072812 A CN 112072812A
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- Prior art keywords
- permanent magnet
- magnet steel
- pole
- magnetic
- pole shoe
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides a hybrid excitation generator with a vacuum pump, which consists of an electronic voltage stabilization controller, the vacuum pump, a front end cover, a rear end cover, a stator and a rotor, and is characterized in that: the permanent magnet rotor iron core is uniformly distributed with even number of permanent magnet magnetic poles, the permanent magnet magnetic poles comprise permanent magnet steel, pole shoes and non-magnetic-conductive screws, the permanent magnet steel penetrates through the pole shoes and is fixed on the rotor iron core by the non-magnetic-conductive screws, and the inner sides of the permanent magnet magnetic poles are provided with lightening holes. Meanwhile, the generator can stably and efficiently operate in a wide rotating speed and wide load range by utilizing the electric excitation rotor, and the generator has higher application value in electric equipment of the dump truck and a brake system.
Description
Technical Field
The invention provides a hybrid excitation generator with a vacuum pump, and belongs to the technical field of automobile motor electric appliances.
Background
The automobile industry is a mark of modern industry, is the leading industry of national economic development, plays an indispensable role in industrial and agricultural production, transportation and all aspects of human production and life, and the vacuum pump and the generator which provide vacuum boosting energy for the automobile brake system are respectively and independently arranged on a vehicle driver at present, thereby occupying space and increasing cost. As disclosed in the utility model patent: hybrid excitation automotive generator, application No.: 200720091005.5, composed of claw pole rotor, stator, front end cover, rear end cover, and electronic controller, it is based on the traditional electric excitation of general silicon rectifier automobile AC generator, increases the rare earth permanent magnetic excitation, adopts the mixed excitation structure of electromagnetism + permanent magnetism, the key technology is that the claw pole rotor is equipped with magnetic steel, the magnetic steel is arranged between the adjacent claw pole rotors with different polarity, the left and right sides of the magnetic steel is taper 1: 5, the method is to paste the magnetic steel between each pair of the electro-magnetic claw poles, and the gap between each pair of the electro-magnetic claw poles is required to be uniform, so that the assembly precision is high, the manufacturing process is complex, and the cost is high; as disclosed in the utility model patent: automobile double magnetic field generator and voltage regulator matched with the same, application number: 200420086799.2, a permanent magnetic claw and an electric excitation claw are mounted on the rotor, one claw pole of the permanent magnetic claw and one claw pole of the adjacent electric excitation claw are an integral body or two objects close to each other, and the excitation coil of the electric excitation claw is connected with the output end of a voltage regulator with a built-in current commutator. The patent describes a double-magnetic-field generator composed of a permanent magnet rotor with a claw-pole structure and an electrically excited rotor with a carbon-brush-free claw-pole structure, wherein the permanent magnet rotor with the claw-pole structure changes an axially magnetized permanent magnet magnetic field into a radial magnetic field with a plurality of poles through claw poles, the magnetic field has a plurality of air gaps, large magnetic leakage and low material utilization rate, and the use performance of the double-magnetic-field generator is to be further improved.
Disclosure of Invention
The invention aims to provide a generator which can overcome the defects, improve the air gap flux density sine property, reduce higher harmonics and electromagnetic force fluctuation of output voltage, utilize an electric excitation rotor to enable the generator to output direct current with stable voltage in a wide rotating speed and wide load range, has a simple structure and is suitable for electric equipment for a dump truck and a brake system.
The technical scheme adopted by the invention for solving the technical problem is as follows: a hybrid excitation generator with a vacuum pump comprises an electronic voltage-stabilizing controller, a front end cover, a rear end cover, a vacuum pump, an electric excitation rotor, a permanent magnet rotor, a stator and a shaft, wherein the permanent magnet rotor comprises a permanent magnet rotor iron core coaxially and fixedly connected with the shaft, an even number of permanent magnet poles are uniformly distributed on the permanent magnet rotor iron core, the permanent magnet poles comprise first permanent magnet steel, second permanent magnet steel, third permanent magnet steel, a first pole shoe, a second pole shoe, a third pole shoe, a first non-magnetic-conductive screw, a second non-magnetic-conductive screw and a third non-magnetic-conductive screw, a first counter bore, a second counter bore and a third counter bore are respectively arranged on the outer sides of the first pole shoe, the second pole shoe and the third pole shoe, the first permanent magnet steel penetrates through the first counter bore in the first pole shoe and is fixed on the rotor iron core through the first non-magnetic-conductive screw, the second permanent magnet steel penetrates through the second counter bore in the second pole shoe and, the third permanent magnet steel penetrates through a third counter bore in the third pole shoe and is fixed on the permanent magnet rotor iron core by a third non-magnetic-conductive screw;
the inner side of the permanent magnetic pole is also provided with an auxiliary hole penetrating through the thickness of the permanent magnetic rotor;
the axial center line of each magnetic pole of the electrically excited rotor and the axial center line of each magnetic pole of the permanent magnet rotor are on the same straight line.
The central axis of the second permanent magnet steel is coincided with the central axis of the permanent magnet pole where the second permanent magnet steel is located, the proportion range of the pole arc of the second permanent magnet steel in the pole arc of a single permanent magnet pole is 1/3-2/3, the first permanent magnet steel and the third permanent magnet steel are respectively arranged on the left side and the right side of the second permanent magnet steel, the proportion range of the pole arc of the first permanent magnet steel in the pole arc of the single permanent magnet pole is 1/6-1/3, the pole arcs of the first permanent magnet steel and the first pole shoe are equal, the pole arcs of the second permanent magnet steel and the second pole shoe are equal, and the pole arcs of the third permanent magnet steel and the third pole shoe are equal.
The spacing dimension between the left side of the first permanent magnet steel and the permanent magnet rotor iron core, the spacing dimension between the first permanent magnet steel and the second permanent magnet steel, the spacing dimension between the second permanent magnet steel and the third permanent magnet steel, and the spacing dimension between the right side of the third permanent magnet steel and the permanent magnet rotor iron core are all 1.5 mm.
The outer arcs of the first pole shoe, the second pole shoe and the third pole shoe are on the same circumference, the outer arcs of the first permanent magnet steel, the second permanent magnet steel and the third permanent magnet steel are on the same circumference, and the circle centers of the outer arcs of the first permanent magnet steel, the second permanent magnet steel, the third permanent magnet steel, the first pole shoe, the second pole shoe and the third pole shoe are superposed with the circle center of the outer arc of the permanent magnet rotor iron core.
The polarity of the outer side surfaces of the first permanent magnet steel, the second permanent magnet steel and the third permanent magnet steel in the same permanent magnet magnetic pole is the same, and the polarity of the outer side surfaces of two adjacent different permanent magnet magnetic poles is opposite.
Compared with the prior art, the invention has the following beneficial effects:
1. the blocking permanent magnet steel structure of the variable pole arc can improve the strength of a magnetic field in the middle of the magnetic pole through the arrangement mode of the second permanent magnet steel, adjust the magnetic field distribution, reduce higher harmonics and electromagnetic force fluctuation of output voltage, and improve the quality of the output voltage of the generator. The technical scheme disclosed by the invention has the advantages that the processing technology is complex and the cost is high because the shape of the excircle of the rotor iron core or the outer side of the permanent magnet steel is processed, and the processing technology is greatly reduced and the production cost is reduced;
2. the inner side of the permanent magnetic pole is provided with an auxiliary hole for optimizing the trend of a magnetic circuit, shortening the path of the permanent magnetic circuit, reducing the magnetic resistance and simultaneously reducing the weight of the motor;
3. the permanent magnet rotor and the electric excitation rotor are coaxially connected in parallel, so that the generator can stably and efficiently operate in a wide rotating speed and wide load range, the structure is compact, the occupied space is small, the installation is convenient, and the electric excitation rotor type self-discharging power generator has higher application value in electric equipment of a self-discharging automobile and a brake system.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of a permanent magnet rotor according to an embodiment of the present invention.
In the figure: 1. the pump comprises an electronic voltage stabilization controller 2, a pump rotor 3, a rear end cover 4, an electrically excited rotor 5, a permanent magnet rotor 6, a stator 7, a front end cover 8, an auxiliary hole 9, a shaft 10, first permanent magnet steel 12, a first pole shoe 13, a first non-magnetic screw 14, second permanent magnet steel 15, a second pole shoe 16, a second non-magnetic screw 17, third permanent magnet steel 18, a third pole shoe 19 and a third non-magnetic screw.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 and 2, the invention provides a hybrid excitation generator with a vacuum pump, which comprises an electronic voltage stabilization controller 1, a front end cover 7, a rear end cover 3, a vacuum pump, an electrically excited rotor 4, a permanent magnet rotor 5, a stator 6 and a shaft 9.
The permanent magnet rotor 5 comprises a permanent magnet rotor iron core coaxially and fixedly connected with a shaft 9, even permanent magnet poles are uniformly distributed on the permanent magnet rotor iron core, the permanent magnet poles comprise a first permanent magnet steel 10, a second permanent magnet steel 14, a third permanent magnet steel 17, a first pole shoe 12, a second pole shoe 15, a third pole shoe 18, a first non-magnetic-conductive screw 13, a second non-magnetic-conductive screw 16 and a third non-magnetic-conductive screw 19, when viewed along the anticlockwise direction of the rotor iron core, the third permanent magnet steel 17, the second permanent magnet steel 14, the first permanent magnet steel 10 and the second permanent magnet steel 14 are sequentially arranged below a single magnetic pole, the proportion range of the pole arcs of the single permanent magnet pole is 1/3-2/3, the proportion range of the pole arcs of the first permanent magnet steel 10 and the third permanent magnet steel 17 to the pole arc of the single permanent magnet pole is 1/6-1/3, the pole arcs of the first pole shoe 12 and the first permanent magnet steel 10 are equal, the pole arcs of the second pole shoe 15 and the second permanent, and the pole arcs of the third pole shoe 18 and the third permanent magnet steel 17 are equal. A first counter bore, a second counter bore and a third counter bore are respectively arranged on the outer sides of the first pole shoe 12, the second pole shoe 15 and the third pole shoe 18, the first permanent magnet steel 10 penetrates through the first counter bore in the first pole shoe 12 and is fixed on the rotor core 5 through a first non-magnetic-conductive screw 13, the second permanent magnet steel 14 penetrates through the second counter bore in the second pole shoe 15 and is fixed on the rotor core 5 through a second non-magnetic-conductive screw 16, the third permanent magnet steel 17 penetrates through the third counter bore in the third pole shoe 18 and is fixed on the permanent magnet rotor core through a third non-magnetic-conductive screw 19, and an auxiliary hole 8 penetrating through the thickness of the permanent magnet rotor 5 is further arranged on the inner side of the permanent magnet pole;
the polarity of the outer side surfaces of the first permanent magnet steel 10, the second permanent magnet steel 14 and the third permanent magnet steel 17 in the same permanent magnet pole is the same, the polarity of the outer side surfaces of the two adjacent permanent magnet poles is opposite, the magnetic properties of the first permanent magnet steel 10, the second permanent magnet steel 14 and the third permanent magnet steel 17 in the same group of magnet groups, which are opposite to the rotating shaft 16, are arranged in an N-pole manner, and the polarity of the outer side corresponding to the adjacent magnet groups is in an S-pole manner, so that the regular arrangement that the polarities generated by the permanent magnet rotor are in an N-pole manner and in an S-pole manner at intervals is realized as shown in. The circle centers of the outer arcs of the first permanent magnet steel 10, the second permanent magnet steel 14, the third permanent magnet steel 17, the first pole shoe 12, the second pole shoe 15 and the third pole shoe 18 are superposed with the circle center of the outer arc of the permanent magnet rotor core, the outer arcs of the first pole shoe 12, the second pole shoe 15 and the third pole shoe 18 are on the same circumference, and the outer arcs of the first permanent magnet steel 10, the second permanent magnet steel 14 and the third permanent magnet steel 17 are on the same circumference.
The axial center line of each magnetic pole of the electrically excited rotor 4 and the axial center line of each magnetic pole of the permanent magnet rotor 5 are on the same straight line.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (5)
1. The utility model provides a take hybrid excitation generator of vacuum pump comprises electron voltage regulator controller (1), front end housing (7), rear end cap (3), vacuum pump, electric excitation rotor (4), permanent magnet rotor (5), stator (6) and axle (9), its characterized in that:
the permanent magnet rotor (5) comprises a permanent magnet rotor iron core coaxially and fixedly connected with a shaft (9), even permanent magnet poles are uniformly distributed on the permanent magnet rotor iron core and comprise first permanent magnet steel (10), second permanent magnet steel (14), third permanent magnet steel (17), a first pole shoe (12), a second pole shoe (15), a third pole shoe (18), a first non-magnetic-conductive screw (13), a second non-magnetic-conductive screw (16) and a third non-magnetic-conductive screw (19), a first counter bore, a second counter bore and a third counter bore are respectively arranged on the outer sides of the first pole shoe (12), the second pole shoe (15) and the third pole shoe (18), the first permanent magnet steel (10) penetrates through the first counter bore in the first pole shoe (12) and is fixed on the rotor iron core (5) through the first non-magnetic-conductive screw (13), the second permanent magnet steel (14) penetrates through the second counter bore in the second pole shoe (15) and is fixed on the rotor iron core (5) through the second non-magnetic-conductive screw (16), a third permanent magnet steel (17) passes through a third counter bore in a third pole shoe (18) and is fixed on the permanent magnet rotor iron core by a third non-magnetic-conductive screw (19);
the inner side of the permanent magnetic pole is also provided with an auxiliary hole (8) penetrating through the thickness of the permanent magnetic rotor (5);
the axial center line of each magnetic pole of the electric excitation rotor (4) and the axial center line of each magnetic pole of the permanent magnet rotor (5) are on the same straight line.
2. The hybrid excitation generator with a vacuum pump according to claim 1, wherein:
the central axis of the second permanent magnet steel (14) is coincident with the central axis of the permanent magnet pole where the second permanent magnet steel (14) is located, the proportion range of the pole arcs of the second permanent magnet steel (14) in the pole arcs of the single permanent magnet pole is 1/3-2/3, the proportion range of the pole arcs of the first permanent magnet steel (10) and the third permanent magnet steel (17) in the pole arcs of the single permanent magnet pole is 1/6-1/3, the pole arcs of the first permanent magnet steel (10) and the pole shoe (12) are equal, the pole arcs of the second permanent magnet steel (14) and the second pole shoe (15) are equal, and the pole arcs of the third permanent magnet steel (17) and the pole shoe (18) are equal.
3. The hybrid excitation generator with a vacuum pump according to claim 1, wherein:
the space between the left side of the first permanent magnet steel (10) and the permanent magnet rotor core, the space between the first permanent magnet steel (10) and the second permanent magnet steel (14), the space between the second permanent magnet steel (14) and the third permanent magnet steel (17), and the space between the right side of the third permanent magnet steel (17) and the permanent magnet rotor core are all 1.5 mm.
4. The hybrid excitation generator with a vacuum pump according to claim 1, wherein:
the outer sides of the first pole shoe (12), the second pole shoe (15) and the third pole shoe (18) are on the same circumference, the outer sides of the first permanent magnet steel (10), the second permanent magnet steel (14) and the third permanent magnet steel (17) are on the same circumference, and the circle centers of outer arcs of the first permanent magnet steel (10), the second permanent magnet steel (14), the third permanent magnet steel (17), the first pole shoe (12), the second pole shoe (15) and the third pole shoe (18) are coincident with the circle center of an outer arc of the permanent magnet rotor iron core.
5. The hybrid excitation generator with a vacuum pump according to claim 1, wherein:
the polarity of the outer side surfaces of the first permanent magnet steel (10), the second permanent magnet steel (14) and the third permanent magnet steel (17) in the same permanent magnet magnetic pole is the same, and the polarity of the outer side surfaces of two adjacent different permanent magnet magnetic poles is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980941.1A CN112072812A (en) | 2020-09-17 | 2020-09-17 | Hybrid excitation generator with vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010980941.1A CN112072812A (en) | 2020-09-17 | 2020-09-17 | Hybrid excitation generator with vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112072812A true CN112072812A (en) | 2020-12-11 |
Family
ID=73681112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010980941.1A Withdrawn CN112072812A (en) | 2020-09-17 | 2020-09-17 | Hybrid excitation generator with vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112072812A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227111A (en) * | 2007-01-18 | 2008-07-23 | 于波 | Mixed power type generator |
| WO2009026767A1 (en) * | 2007-08-31 | 2009-03-05 | Leiting Zhang | A hybrid excitation synchronous generator with inner and outer voltage regulation systems and its voltage regulation method |
| CN101719707A (en) * | 2010-01-14 | 2010-06-02 | 刘志新 | Hybrid excitation synchronous generator with low cogging effect |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
| CN106026588A (en) * | 2016-05-13 | 2016-10-12 | 山东理工大学 | Permanent magnet and electromagnet parallel magnetic circuit hybrid excitation generator with vacuum pump |
| CN106992647A (en) * | 2017-05-31 | 2017-07-28 | 潍坊万隆电气股份有限公司 | Automobile composite poles formula compound rectifier excitation TRT |
| CN111641280A (en) * | 2020-07-08 | 2020-09-08 | 苏州睿控电动有限公司 | Motor rotor punching sheet, motor rotor and motor |
-
2020
- 2020-09-17 CN CN202010980941.1A patent/CN112072812A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227111A (en) * | 2007-01-18 | 2008-07-23 | 于波 | Mixed power type generator |
| WO2009026767A1 (en) * | 2007-08-31 | 2009-03-05 | Leiting Zhang | A hybrid excitation synchronous generator with inner and outer voltage regulation systems and its voltage regulation method |
| CN101719707A (en) * | 2010-01-14 | 2010-06-02 | 刘志新 | Hybrid excitation synchronous generator with low cogging effect |
| CN102664492A (en) * | 2012-04-26 | 2012-09-12 | 张学义 | Combined magnetic-pole-type composite excitation power generation device for automobile |
| CN204168026U (en) * | 2014-11-10 | 2015-02-18 | 山东理工大学 | Vapour automobile permanent magnet and electromagnetic mixed exciting generator |
| CN106026588A (en) * | 2016-05-13 | 2016-10-12 | 山东理工大学 | Permanent magnet and electromagnet parallel magnetic circuit hybrid excitation generator with vacuum pump |
| CN106992647A (en) * | 2017-05-31 | 2017-07-28 | 潍坊万隆电气股份有限公司 | Automobile composite poles formula compound rectifier excitation TRT |
| CN111641280A (en) * | 2020-07-08 | 2020-09-08 | 苏州睿控电动有限公司 | Motor rotor punching sheet, motor rotor and motor |
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| PB01 | Publication | ||
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Application publication date: 20201211 |