CN2605691Y - Charging generator set - Google Patents
Charging generator set Download PDFInfo
- Publication number
- CN2605691Y CN2605691Y CN 03236886 CN03236886U CN2605691Y CN 2605691 Y CN2605691 Y CN 2605691Y CN 03236886 CN03236886 CN 03236886 CN 03236886 U CN03236886 U CN 03236886U CN 2605691 Y CN2605691 Y CN 2605691Y
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- CN
- China
- Prior art keywords
- stator
- charging
- slot
- generator
- width
- 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 - Lifetime
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- 238000007600 charging Methods 0.000 title claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 13
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000010277 constant-current charging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Control Of Eletrric Generators (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Disclosed is a charging generating set with the generator being of a permanent magnet outer rotor. The circumferential space of the permanent magnet is 0.5-0.8 times of the width of the permanent magnet; a single phase winding is embedded inside a stator slot. The shape of the stator slot is a presumed round with the diameter set to be one third to two third of the outer diameter of the stator; a tangent is made from the slot notch to the presumed round for limiting the slot wall and the slot bottom is limited by the slot depth; the width of the slot notch is about equal to the width of tooth; two slots are arranged in each grade. The upward notch of a stator shaft is twisted relative to the axis and the twisting length of the whole stator length is 1.2 times of the width of the slot. The stator winding is equally divided into a plurality of groups and the output terminal of each group of windings is connected with the AC terminal of a rectifier through a reactor; the DC terminals of all rectifiers are formed in series, parallel or mixing into DC voltage for charging a load pair. Compared with the prior art, the generator is not only higher in ratios of power and volume, smaller in the entire volume, lighter in weight and higher in conversion efficiency but also has better charging property. The utility model can not only be used for constant current charging and rapid supplementary charging but also serve as other DC power supplies.
Description
Technical field
The utility model relates to the permanent magnet generator unit that cooperates bavin, gasoline-engine driven machine, more particularly, relates to the charging machine group of bavin, gasoline-engine driven machine driving.
Background technology
There is not custom-designed generating set at present for charging usefulness, the generating set that existing bavin, gasoline-engine driven machine drive as charging, just generating set charges by other commutation system.The composition of its generator and engine be substantially two separate components and close.Motor itself adopts conventional structure, and volume is big, Heavy Weight, efficient are low, and it is bigger to add charger weight.
The technical problems to be solved in the utility model is to improve generator Structure, makes it be directly used in charging, and the performance number of the unit volume of generating increases, weight saving, constitutes indivisible integral structure with engine, has improved serviceability greatly.
Summary of the invention
The technical solution of the utility model is:
A kind of charging machine group, the rotating shaft of generator directly connects the output shaft of engine, and the stator of generator is fixed on the engine; Stator is established groove, be embedded winding in the groove, it is characterized in that: the flute profile of described stator slot is: with the generator cross-section center is that the hypothesis circle is set in the center of circle, this circular diameter is (1/3-2/3) of internal stator diameter when the internal stator situation or is (3-3/2) of external stator diameter when the external stator situation, make the tangent line of hypothesis circle to described hypothesis circle from notch, limit cell wall, limit bottom land by groove depth, this groove depth and cell wall limit flute profile jointly; Slot opening approximates the facewidth; Rotor is a permanent-magnet type, and the width of cloth alternately is provided with on circumference to magnetized N, S permanent magnets, and the distance between the adjacent permanent magnets is permanent magnets circumferential width (0.5-0.8); Winding on the full stator is divided into a plurality of independent parts, these a plurality of independent winding insert the interchange end of rectifier bridge separately by a little reactor respectively, and the dc output end of rectifier bridge is by parallel connection, series connection or the variable direct voltage of series-parallel connection form output, for load is charged.On output circuit, can be connected to two transducers, autostop after the detection storage battery abundance, Auto Power On behind another detection storage battery power shortage.Further, this routine described generator also makes the relative axis skew of notch on the stator shaft orientation, and the skew amount is (1.1-1.3) of groove width on the stator total length.
The charging generator group that this programme is realized, than the unit of prior art, power to volume ratio height not only, overall volume is little, and is in light weight, the conversion efficiency height, and good charging characteristic is arranged.This unit can be done constant current charge and boost charge fast, also can be used as other DC power supply.
Description of drawings
Fig. 1 is that the utility model generating set and engine connect schematic diagram.
Fig. 2 is the utility model charging generator group embodiment generator unit stator fluting schematic diagram.
Fig. 3 is the utility model charging generator group embodiment generator unit stator groove perspective diagram.
Fig. 4 is the circuit diagram of the utility model charging generator group embodiment.
Embodiment
Be described in detail embodiment below in conjunction with accompanying drawing.
Fig. 1 is that the utility model generating set and engine connect schematic diagram.Generating set comprises engine 1, directly is connected in the generator amature 3 in the engine rotating shaft and be fixed on generator unit stator 2 on the engine casing.That is, the utility model generating set is the incorporate machine of engine and generator.Engine is gasoline engine or diesel engine.
Generator power in this example is 2.7KW, 56 utmost points, and 112 grooves, generator speed 3000rpm is a kind of generator of external-rotor-type, but and nonessential like this.
Stator 2 is the cylinders that built up by silicon steel sheet, is provided with a plurality of grooves in its excircle, and Fig. 2 is the structural representation that groove forms, R
1Be stator outer radius, R
2Be the radius of decision groove depth, R
3Be fluting hypothesis radius of a circle, R
4Be diameter of stator bore.Described hypothesis radius of circle R
3Be stator outer diameter R
1(1/3-2/3), when generator is inner rotor core, described hypothesis circle circle outside in stator, this ratio certainly will be conversely, is (3-1.5).R in this example
1Be 90mm, R
3Be 60mm.A plurality of teeth groove are uniform on the stator periphery, and AB is that width of rebate, BC are facewidth degree, AB ≈ BC, and promptly the facewidth approximates groove width.From the A and the B point of notch, make tangent line to the hypothesis circle, gained two lines define the cell wall of this groove, and groove depth limits bottom land, and groove depth is by R in this example
2Decision.Uniform a plurality of permanent-magnet poles on the rotor internal cavity periphery, it is that the width of cloth forms along circumferentially alternately arranging to the N that magnetizes, S polarity permanent magnets, the distance of getting in this example between the adjacent permanent magnets is 0.5 to the ratio of permanent magnets width, in general, this ratio can be (0.5-0.8), and promptly pole span of rotor is permanent magnets width (1.5-1.8).The number of stator slots of occupying in every pole span scope is looked designing requirement and is determined that in the 2-4 scope this example is 2, and generator has technical indicator preferably.The cylinder that the stator silicon steel sheet builds up has the notch of skew, referring to Fig. 3, promptly to notch position A at stator shaft orientation one end, " opposing parallel moves past a skew amount (A '-A ") in the A-A ' line of axis stator at the corresponding notch position A in stator shaft orientation other end place for it, this skew amount is (1.1-1.3) of groove width, is 1.2 in this example.Referring to Fig. 4; winding on the full stator of stator slot divides 8 independent parts; 8 independent winding insert the interchange end of 8 rectifier bridges separately respectively by a little reactor L; and the dc output end of 8 rectifier bridges is by the direct voltage of change over switch by parallel connection, series connection or connection in series-parallel mixed form output 12-240V; for the constant current charging is done in load; on output circuit, can be connected to two transducers, autostop after the detection storage battery abundance, Auto Power On behind another detection storage battery power shortage.
In the generating set of the present utility model, generator weight power output ratio can reach 1kg-1.3kg/kw, and efficient is bordering on 90%.
Claims (8)
1, a kind of charging machine group, the rotating shaft of generator directly connects the output shaft of engine, and the stator of generator is fixed on the engine; Stator is established groove, be embedded winding in the groove, it is characterized in that: the flute profile of described stator slot is: with the generator cross-section center is that the hypothesis circle is set in the center of circle, this circular diameter is (1/3-2/3) of internal stator diameter when the internal stator situation, or be (3-3/2) of external stator diameter when the external stator situation, make the round tangent line of hypothesis from notch to described hypothesis circle, limit cell wall, limit bottom land by groove depth, this groove depth and cell wall limit flute profile jointly; Slot opening approximates the facewidth; Rotor is a permanent-magnet type, and the width of cloth alternately is provided with on circumference to magnetized N, S permanent magnets, and the distance between the adjacent permanent magnets is permanent magnets circumferential width (0.5-0.8); Winding on the full stator is divided into a plurality of independent parts, these a plurality of independent winding insert the interchange end of rectifier bridge separately by a little reactor respectively, and the dc output end of rectifier bridge is by parallel connection, series connection or the variable direct voltage of series-parallel connection form output, for load is charged.
2, charging generator group according to claim 1 is characterized in that described generator unit stator axially goes up the relative axis skew of notch, and the skew amount is the 1.1-1.3 of groove width on the stator total length.
3, charging generator group according to claim 2 is characterized in that described notch skew amount on the stator total length is 1.2 of a groove width.
4,, it is characterized in that described groove depth is by round limit concentric with stator according to any described charging generator group among the claim 1-3.
5,, it is characterized in that occupying number of stator slots under the every pole span of described generator takes from 2-4 according to any described charging generator group among the claim 1-3.
6, according to any described charging generator group among the claim 1--3, it is characterized in that on described dc output end, being connected to two transducers, autostop after first sensor storage battery abundance, Auto Power On behind another sensor storage battery power shortage.
7, charging generator group according to claim 6 is characterized in that described each dc output end realizes that by change over switch parallel connection, series connection or connection in series-parallel between each winding mix.
8, charging generator group according to claim 7 is characterized in that the generator unit stator winding is divided into eight parts, offers the interchange end of eight groups of rectification circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03236886 CN2605691Y (en) | 2003-01-29 | 2003-01-29 | Charging generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03236886 CN2605691Y (en) | 2003-01-29 | 2003-01-29 | Charging generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2605691Y true CN2605691Y (en) | 2004-03-03 |
Family
ID=34167050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03236886 Expired - Lifetime CN2605691Y (en) | 2003-01-29 | 2003-01-29 | Charging generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2605691Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426655C (en) * | 2004-05-27 | 2008-10-15 | 本田技研工业株式会社 | Generator |
| CN100426656C (en) * | 2006-01-25 | 2008-10-15 | 包头长安永磁电机研发有限公司 | Permanent-magnet DC brushless variable speed constant-pressure wind power generator and its voltage stabilization method |
| CN103490536A (en) * | 2012-06-14 | 2014-01-01 | 上海电机***节能工程技术研究中心有限公司 | Motor rotor slot structure matched with quadratic torque type load and design method |
-
2003
- 2003-01-29 CN CN 03236886 patent/CN2605691Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100426655C (en) * | 2004-05-27 | 2008-10-15 | 本田技研工业株式会社 | Generator |
| CN100426656C (en) * | 2006-01-25 | 2008-10-15 | 包头长安永磁电机研发有限公司 | Permanent-magnet DC brushless variable speed constant-pressure wind power generator and its voltage stabilization method |
| CN103490536A (en) * | 2012-06-14 | 2014-01-01 | 上海电机***节能工程技术研究中心有限公司 | Motor rotor slot structure matched with quadratic torque type load and design method |
| CN103490536B (en) * | 2012-06-14 | 2016-02-17 | 上海电机***节能工程技术研究中心有限公司 | The motor rotor slot structure matched with quadratic torque type load and method for designing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: 100080 13F (HENGXING BUILDING) NO.89 ZHONGGUANCUN Free format text: FORMER NAME OR ADDRESS: 100083 NO.37 XUEYUAN ROAD HAIDIAN DISTRICT BEIJING CITY |
|
| CP03 | Change of name, title or address |
Patentee address after: 100080 Beijing City, Haidian District Zhongguancun Road No. 89 (Hengxing building) 13F Patentee address before: 100083 No. 37, Haidian District, Beijing, Xueyuan Road |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090313 Address after: Beijing Xizhimen No. 170 South Street No. 401, zip code: 100035 Patentee after: Duan Miheng Address before: Beijing City, Haidian District Zhongguancun Road No. 89 (Hengxing building) 13F, zip code: 100080 Patentee before: CHINA INTERNAT SCIENCE & TECHN |
|
| ASS | Succession or assignment of patent right |
Owner name: DUAN DUANHENG Free format text: FORMER OWNER: CHINA ASSOCIATION FOR INTERNATIONAL SCIENCE AND TECHNOLOGY Effective date: 20090313 |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AOPHIP NEW ELECTRICAL MACHINE TECHNOLOGY C Free format text: FORMER OWNER: DUAN DUANHENG Effective date: 20100622 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20100622 Address after: Beijing Xizhimen Street No. 170 South 401 Patentee after: The new Beijing General Motor Technology Co.,Ltd. Address before: 100035 Beijing Xizhimen No. 170 South Street No. 401 Patentee before: Duan Miheng |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130129 Granted publication date: 20040303 |