CN2598242Y - DC arc welding generator set - Google Patents
DC arc welding generator set Download PDFInfo
- Publication number
- CN2598242Y CN2598242Y CNU022936688U CN02293668U CN2598242Y CN 2598242 Y CN2598242 Y CN 2598242Y CN U022936688 U CNU022936688 U CN U022936688U CN 02293668 U CN02293668 U CN 02293668U CN 2598242 Y CN2598242 Y CN 2598242Y
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- China
- Prior art keywords
- stator
- generator
- winding
- slot
- generating set
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- 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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- 238000003466 welding Methods 0.000 title claims abstract description 9
- 238000004804 winding Methods 0.000 claims abstract description 19
- 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
- 238000010586 diagram Methods 0.000 description 6
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model relates to a generator of a direct current arc welding generator set that is a permanent magnet outer rotor type. The spacing of the circumferential permanent magnet is 0.5 to 0.8 of the width; a single phase winding is embedded in a stator slot; and the stator slot is shaped as: the set diameter is a hypothetic circle with the outer diameter of the stator (1/3 to 2/3) and a tangent is made toward the hypothetic circle from the notch so as to restrict the slot wall and then restrict the slot bottom through the slot depth; the notch width is roughly equal to the tooth width; two slots are arranged for each pole; the axial upward notch of the stator is skewed opposite to the axial line and the skew degree on the whole length of the stator is 1.1 to 1.3 of the slot width; and the stator winding is equally divided into groups; and each group of windings are respectively connected in series with an independent reactor and then connected into a loop by a rectification circuit; the direct current output of all rectification circuits is connected in parallel to form the output of generator. This generator has a high power and volume ratio, a light weight and high conversion efficiency but also has a good arc welding property and a small volume of the integrated machine set.
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 direct-current arc welding generating set of bavin, gasoline-engine driven machine driving.
Background technology
Existing bavin, gasoline-engine driven machine drive arc-welding with the composition of the generator of generating set and engine be basically two separate components and close.Motor itself adopts conventional structure, and volume is big, Heavy Weight, efficient are low.
The technical problems to be solved in the utility model is to improve generator Structure, and the performance number of its unit volume 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 direct current arc welding generator 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, 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 five equilibrium on the full stator in groups, every group of winding connects independent reactor respectively after rectification circuit is linked to be the loop, the direct current output of each rectification circuit back in parallel mutually forms the output of generator.
Further, generator unit stator is axially gone up the relative axis skew of notch, and the skew amount is (1.1-1.3) of groove width on the stator total length.
The electric current that reactor helps each winding of balance is set.
The arc generator group unit compared to existing technology that this programme is realized, power to volume ratio height not only, overall volume is little, and is in light weight, the conversion efficiency height, and good arc welding performance is arranged.
Description of drawings
Fig. 1 is that the utility model generating set and engine connect schematic diagram.
Fig. 2 is a stator fluting schematic diagram.
Fig. 3 is the stator slot perspective diagram.
Fig. 4 is the utility model generator cross sectional representation.
Fig. 5 is that the generator unit stator winding connects reactor binding line map.
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.Fig. 2 is a stator fluting schematic diagram.Fig. 3 is the stator slot perspective diagram.Fig. 4 is the utility model generator cross sectional representation.
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 5KW, 56 utmost points, and generator speed 3000rpm is a kind of generator of external-rotor-type, but and nonessential like this.In general, when being 3000-4000rpm for the rotating speed of corresponding generator, its number of poles is 40-70; During 1500-2500rpm 70-100.
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.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 each pole span scope is decided on designing requirement, and this example is 2, and generator performance index is preferably arranged.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 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 other end place for it, this skew amount is (1.1-1.3) of groove width, is 1,2 in this example.The stator slot single phase winding embedded inside, whole windings is divided into 2-12 independently group, be divided into four groups in this example, now referring to Fig. 5, the winding of expressing electricity generator stator core and be S and coiling on it is M, each coil is connected respectively to the AC portion of rectifier bridge through reactor in every group of totally four groups of windings, and is in parallel between the direct current output mutually of the rectification circuit Z of each group, forms the direct current output of generator.
In the generating set of the present utility model, generator weight power output ratio can reach 1kg-1.3kg/kw, and the rate of carrying is higher than 80% entirely.
Claims (8)
1, a kind of direct current arc welding generator 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, 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 the 1/3-2/3 of internal stator diameter when the internal stator situation or is the 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 the 0.5-0.8 of permanent magnets circumferential width; Winding five equilibrium on the full stator in groups, every group of winding connects independent reactor respectively after rectification circuit is linked to be the loop, the direct current output of each rectification circuit forms the output of generator mutually after parallel connection.
2, generating set according to claim 1 is characterized in that 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, generating set according to claim 1, its number of poles was 40-70 when the rotating speed that it is characterized in that corresponding generator was 3000-4000rpm; During 1500-2500 70-100.
4,, it is characterized in that the number of stator slots of occupying in the every pole span scope of described generator is 2 according to any described generating set among the claim 1-3.
5,, it is characterized in that described stator winding is single-phase winding according to any described generating set among the claim 1-3.
6, generating set according to claim 4 is characterized in that described stator winding is single-phase winding.
7, generating set according to claim 5 is characterized in that described stator winding is divided into the 2-12 group.
8, generating set according to claim 7 is characterized in that described stator winding is divided into 4 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022936688U CN2598242Y (en) | 2002-12-24 | 2002-12-24 | DC arc welding generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU022936688U CN2598242Y (en) | 2002-12-24 | 2002-12-24 | DC arc welding generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2598242Y true CN2598242Y (en) | 2004-01-07 |
Family
ID=34151847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU022936688U Expired - Lifetime CN2598242Y (en) | 2002-12-24 | 2002-12-24 | DC arc welding generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2598242Y (en) |
-
2002
- 2002-12-24 CN CNU022936688U patent/CN2598242Y/en not_active Expired - Lifetime
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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: 20090320 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: 20090320 |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING AOFEIPUXIN MOTOR TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: DUAN DUANHENG Effective date: 20100701 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100035 NO.401, SOUTH TOWER, NO.170, XIZHIMEN INNER STREET, BEIJING TO: 100035 401, SOUTH TOWER, NO.170, XIZHIMEN INNER STREET, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100701 Address after: 100035 Beijing Xizhimen Avenue 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: 20121224 Granted publication date: 20040107 |