CN103595166B - A kind of low center height large-size machine - Google Patents
A kind of low center height large-size machine Download PDFInfo
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- CN103595166B CN103595166B CN201310619540.3A CN201310619540A CN103595166B CN 103595166 B CN103595166 B CN 103595166B CN 201310619540 A CN201310619540 A CN 201310619540A CN 103595166 B CN103595166 B CN 103595166B
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- rosette
- stator core
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Abstract
The invention discloses a kind of low center height large-size machine, it includes support, the rotor being arranged in support and stator core, winding coil it is provided with in stator core, the end of winding coil is fixedly installed wind shielding structure, rosette it is provided with on support, wind shielding structure includes the wind loop coaxial with described frame diameter being arranged on winding coil inner circle, between stator core and its trim ring, the levels of winding coil, alternate, gap in mutually is all filled with felt pan, the coil outer of wind loop it is provided with on winding coil, all it is wound with between stator core and its trim ring without latitude band, band without latitude and stator core are outside equipped with enamelled coating, pressure release film it is provided with in rosette.10kV motor center height is successfully reduced to 355 millimeters by the present invention, not only the short and small exquisiteness of profile, easy to process, low cost, and property indices is satisfied by the performance parameter requirement of equal-wattage shelves, successfully realizes capacity motor and promotes two frame grades.
Description
Technical field
The invention belongs to box type high-voltage motor manufactures and designs field, particularly relates to a kind of low center height large-size machine.
Background technology
High minimum 450 millimeters of motor center in GB/T10446 " Y-series 10kV threephase asynchronous technical conditions (seat No. 450 ~ 630) ", the demand in market is Protean, along with being on the increase of low center height large-size machine demand, the a height of 450 millimeters of demands that cannot meet market of 10kV motor lowest center, are distinctly claimed a height of 400 millimeters even 355 millimeters of motor center to user very much.And large-size machine is when being set to low center height, the wind shielding structure of inside wind path of motor, rosette, stand structure will coordinate does corresponding adjustment, the electric clearance of 10kV motor, creep age distance requirement should be met, consider the installation question of relative support overall dimensions rosette bigger than normal again.The wind shielding structure of the most existing internal wind path occupies the sizable space of base inner so that in certain support length, the effective length of material of motor is limited, and the single-machine capacity of motor cannot promote the most Just because of this.The setting of existing rosette, occurs that in rosette rare fault generation explosion time cannot discharge pressure in box, easily causes the damage of parts in box.Existing support also cannot adapt to adjust after the installation of rosette.
The design of high (H355) the 10kV large-size machine in a kind of low center has been trend of the times, if product development success, the cost of motor can be substantially reduced, and the competitiveness of product in market can be greatly promoted, significant.
Summary of the invention
The present invention is to solve the problems of the prior art, a kind of low center height large-size machine is provided, 10kV motor center height successfully can be reduced to 355 millimeters, the not only short and small exquisiteness of profile, easy to process, low cost, and property indices is satisfied by the performance parameter requirement of equal-wattage shelves, successfully realizes capacity motor and promote two frame grades.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of low center height large-size machine, it includes support, the rotor being arranged in support and stator core, winding coil it is provided with in stator core, the end of winding coil is fixedly installed wind shielding structure, rosette it is provided with on support, described wind shielding structure includes the wind loop coaxial with described frame diameter being arranged on winding coil inner circle, between stator core and its trim ring, the levels of winding coil, alternate, gap in mutually is all filled with felt pan, outside winding coil at wind loop, all it is wound with between stator core and its trim ring without latitude band, band without latitude and stator core are outside equipped with enamelled coating；Mounting box that described rosette includes being provided with cable inlet and three insulators, three insulators are installed in mounting box, the installation site of transformer it is reserved with in mounting box, connection row it is provided with on each described insulator, cable connects through cable inlet with being connected row, being provided with pressure release film in described rosette, described pressure release film is the Copper Foil being arranged on mounting box housing, and the hull outside of the mounting box of described rosette is further fixedly arranged on transition seat board；Being fixedly installed rosette installation seat plate on described support, rosette installation seat plate is fixing with the transition seat board of rosette to be connected.
Described support include base plate, the end plate being arranged on base plate two ends, axially through the brace rod between two end plates, support side plate it is additionally provided with outside brace rod, offering cable outlet on support side plate, described rosette installation seat plate is arranged on support side plate and is positioned at the position of cable outlet.
Being provided with screwed hole on rosette installation seat plate on the transition seat board of described rosette, support side plate, rosette installation seat plate is bolted to connection with transition seat board.
Described cable inlet is set to two, and lead wire and power line in stator core are each passed through two cable inlets.
The material of described wind loop is glass mat, and the axial length of wind loop is 50 millimeters, and the circumference of wind loop offers breach.
The thickness of described Copper Foil is 0.2 millimeter.
Described brace rod even circumferential distribution, brace rod has the recess towards outside.
Described rosette is made up of steel plate.
Described connection row is made of copper.
Described rotor is cast-aluminum rotor.
The invention has the beneficial effects as follows:
1, the wind shielding structure that the present invention is fixedly installed in the end of winding coil, effectively solve the problem that interior wind path wind shielding structure takes up space, the space saved can be used to increase the single-machine capacity of motor, and is effectively exaggerated the gap of coil parts over the ground, improves motor safety performance.Simple to operation, decrease manufacturing procedure and man-hour, bring the biggest economic benefit to enterprise；
2. the present invention is arranged on the rosette on support, this rosette meets NEMA(national electrical manufacturers association) regulation of butted line box key dimension in standard, use steel plate junction box structure, reasonable Arrangement junction box space, the installation site of reserved transformer, and provide pressure to discharge film.The design of this rosette is rational in infrastructure, easy to process.Inner chamber size is big, and electric clearance and creep age distance all meet the requirements, and uses connection row and insulator structure to facilitate service cable wiring；In rosette, the installing space of reserved transformer, facilitates user's in-site installation and detection；Rosette band pressure release film, occurs pressure in rare fault generation explosion time release box in rosette, reduces the damage of parts in box, improve the safety and reliability that rosette is run；
3. being provided with brace rod on support, brace rod even circumferential is distributed, and brace rod has the recess towards outside, it is possible to form air channel, it is simple to the air-out of bottom stator ventilating duct air outlet；
4. being provided with screwed hole on the rosette installation seat plate on the transition seat board of rosette, support side plate, rosette installation seat plate is bolted to connection with transition seat board, and rosette is fixed on this seat board, thus realizes the installation of rosette；
5. the present invention is on the premise of ensureing series of products unified planning, 10kV motor center height is successfully reduced to 355 millimeters, the not only short and small exquisiteness of profile, easy to process, low cost, and property indices is satisfied by the performance parameter requirement of equal-wattage shelves, successfully realizes capacity motor and promote two frame grades.
Accompanying drawing explanation
Fig. 1 is the general assembly structural front view of the present invention；
Fig. 2 is total assembling structure left view of the present invention；
Fig. 3 is the structural representation of wind shielding structure in the present invention；
Fig. 4 is the structural front view of rosette in the present invention；
Fig. 5 is the structure left view of rosette in the present invention；
Fig. 6 is the structural front view of support in the present invention；
Fig. 7 is the structure left view of support in the present invention.
Detailed description of the invention
As depicted in figs. 1 and 2, the present invention includes support 1, the cast-aluminum rotor 15 being arranged in support 1 and stator core 2, winding coil 5 it is provided with in stator core 2, the end of winding coil 5 is fixedly installed wind shielding structure, rosette 9 it is provided with on support 1, front end rolling bearing 17 and rear end rolling bearing 16 it is provided with on the end plate 1-1 at support 1 two ends, the two ends of rotating shaft 18 are connected with front end rolling bearing 17 and rear end rolling bearing 16, the aerofoil fan 20 being symmetrically installed it is provided with in rotating shaft 18, support 1 is arranged above overhead guard 19, overhead guard 19 is for the turnover of natural cooling wind.
As it is shown on figure 3, wind shielding structure includes the wind loop 4 coaxial with stator core 2 external diameter being arranged on winding coil 5 inner circle, the material of wind loop 4 is glass mat, and the axial length of wind loop 4 is 50 millimeters, and the circumference of wind loop 4 offers breach.Between stator core 2 with its trim ring, the levels of winding coil 5, alternate, mutually in gap in be all filled with felt pan, winding coil 5 at wind loop 4 is outside, be all wound with without latitude band 3 between stator core 2 and its trim ring, band without latitude 3 and stator core 2 are outside equipped with enamelled coating, and enamelled coating is to be formed by technique of vacuum pressure for dipping electrical dipping lacquer process.
As shown in Figure 4 and Figure 5, mounting box 7 that rosette 9 includes being provided with cable inlet and three insulators 6, three insulators 6 are installed in mounting box 7, the installation site of transformer it is reserved with in mounting box 7, connection row 12 it is provided with on each described insulator 6, cable connects through cable inlet with being connected row 12, and cable inlet is set to two, and lead wire 10 and power line 11 in stator core are each passed through two cable inlets.Pressure release film it is provided with in rosette 9, described pressure release film is the Copper Foil 8 being arranged on mounting box housing 7, the thickness of Copper Foil 8 is 0.2 millimeter, and the hull outside of the mounting box 7 of rosette 9 is further fixedly arranged on transition seat board 13, and transition seat board 13 is provided with screwed hole.Rosette 9 is made up of steel plate, connects row 12 and is made of copper.
As shown in Figure 6 and Figure 7, support 1 include base plate 1-5, the end plate 1-1 being arranged on base plate 1-5 two ends, axially through the brace rod 1-3 between two end plates 1-1, brace rod 1-3 even circumferential is distributed, the recess towards outside is had on brace rod, during welding, recess is outwardly, form air channel, it is simple to bottom stator ventilating duct air-out.Support side plate 1-4 it is additionally provided with outside brace rod 1-3, cable outlet is offered on support side plate 1-4, rosette installation seat plate 14 is arranged on the position being positioned at cable outlet on support side plate 1-4, being provided with screwed hole on rosette installation seat plate 14, rosette installation seat plate 14 is bolted to connection with transition seat board 13.Support 1 also includes the support plate 1-2 unshakable in one's determination being arranged on support side plate 1-4, for support and the installation of stator core 2.
The present embodiment does not has the shape to the present invention, material, structure etc. and makees any pro forma restriction; every any simple modification, equivalent variations and modification made above example according to the technical spirit of the present invention, belongs to the protection domain of technical solution of the present invention.
Claims (8)
1. a Zhong Di center height large-size machine, it includes support, the rotor being arranged in support and stator core, winding coil it is provided with in stator core, the end of winding coil is fixedly installed wind shielding structure, rosette it is provided with on support, it is characterized in that: described wind shielding structure includes being arranged on the wind loop coaxial with described frame diameter of winding coil inner circle, between stator core and its trim ring, the levels of winding coil, alternate, gap in mutually is all filled with felt pan, outside winding coil at wind loop, all it is wound with between stator core and its trim ring without latitude band, band without latitude and stator core are outside equipped with enamelled coating；Mounting box that described rosette includes being provided with cable inlet and three insulators, three insulators are installed in mounting box, the installation site of transformer it is reserved with in mounting box, connection row it is provided with on each described insulator, cable connects through cable inlet with being connected row, being provided with pressure release film in described rosette, described pressure release film is the Copper Foil being arranged on mounting box housing, and the hull outside of the mounting box of described rosette is further fixedly arranged on transition seat board；Being fixedly installed rosette installation seat plate on described support, rosette installation seat plate is fixing with the transition seat board of rosette to be connected；
Described support include base plate, the end plate being arranged on base plate two ends, axially through the brace rod between two end plates, support side plate it is additionally provided with outside brace rod, offering cable outlet on support side plate, described rosette installation seat plate is arranged on support side plate and is positioned at the position of cable outlet；
Described brace rod even circumferential distribution, brace rod has the recess towards outside.
Low center the most according to claim 1 height large-size machine, it is characterised in that: being provided with screwed hole on the rosette installation seat plate on the transition seat board of described rosette, support side plate, rosette installation seat plate is bolted to connection with transition seat board.
Low center the most according to claim 1 height large-size machine, it is characterised in that: described cable inlet is set to two, and lead wire and power line in stator core are each passed through two cable inlets.
Low center the most according to claim 1 height large-size machine, it is characterised in that: the material of described wind loop is glass mat, and the axial length of wind loop is 50 millimeters, and the circumference of wind loop offers breach.
Low center the most according to claim 1 height large-size machine, it is characterised in that: the thickness of described Copper Foil is 0.2 millimeter.
Low center the most according to claim 1 height large-size machine, it is characterised in that: described rosette is made up of steel plate.
Low center the most according to claim 1 height large-size machine, it is characterised in that: described connection row is made of copper.
8. according to the low center height large-size machine described in any one of claim 1-7, it is characterised in that: described rotor is cast-aluminum rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310619540.3A CN103595166B (en) | 2013-11-29 | 2013-11-29 | A kind of low center height large-size machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310619540.3A CN103595166B (en) | 2013-11-29 | 2013-11-29 | A kind of low center height large-size machine |
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| Publication Number | Publication Date |
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| CN103595166A CN103595166A (en) | 2014-02-19 |
| CN103595166B true CN103595166B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310619540.3A Active CN103595166B (en) | 2013-11-29 | 2013-11-29 | A kind of low center height large-size machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105515259A (en) * | 2015-12-15 | 2016-04-20 | 卧龙电气南阳防爆集团股份有限公司 | Low-center high-increased-safety explosion-proof motor |
| CN107994733A (en) * | 2017-12-19 | 2018-05-04 | 卧龙电气集团股份有限公司 | A kind of high large capacity threephase asynchronous in low center |
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| EP1801519A1 (en) * | 2004-07-30 | 2007-06-27 | Mitsubishi Heavy Industries, Ltd. | Air refrigerant type cooling apparatus and air refrigerant cold system using air refrigerant type cooling apparatus |
| CN102332800A (en) * | 2011-08-06 | 2012-01-25 | 无锡市中达电机有限公司 | High pressure three-phase asynchronous motor terminal box with pressure relief device |
| CN202172327U (en) * | 2011-08-12 | 2012-03-21 | 南阳防爆集团股份有限公司 | Motor inside cable outlet structure |
| CN202696522U (en) * | 2012-06-19 | 2013-01-23 | 湖北棱正塑胶有限公司 | Rotational molding one-shot molding electro-hydraulic tank |
| CN202940663U (en) * | 2012-11-30 | 2013-05-15 | 南阳防爆集团股份有限公司 | Winding end part fixing structure with wind shielding function |
| CN203607956U (en) * | 2013-11-29 | 2014-05-21 | 南阳防爆集团股份有限公司 | Low-center high-capacity motor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03222651A (en) * | 1989-11-06 | 1991-10-01 | Toshiba Corp | Air-cooled induction motor |
| JPH0775289A (en) * | 1993-09-01 | 1995-03-17 | Fuji Electric Co Ltd | Ventilating and cooling device for salient pole type rotating electric machine |
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- 2013-11-29 CN CN201310619540.3A patent/CN103595166B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1801519A1 (en) * | 2004-07-30 | 2007-06-27 | Mitsubishi Heavy Industries, Ltd. | Air refrigerant type cooling apparatus and air refrigerant cold system using air refrigerant type cooling apparatus |
| CN102332800A (en) * | 2011-08-06 | 2012-01-25 | 无锡市中达电机有限公司 | High pressure three-phase asynchronous motor terminal box with pressure relief device |
| CN202172327U (en) * | 2011-08-12 | 2012-03-21 | 南阳防爆集团股份有限公司 | Motor inside cable outlet structure |
| CN202696522U (en) * | 2012-06-19 | 2013-01-23 | 湖北棱正塑胶有限公司 | Rotational molding one-shot molding electro-hydraulic tank |
| CN202940663U (en) * | 2012-11-30 | 2013-05-15 | 南阳防爆集团股份有限公司 | Winding end part fixing structure with wind shielding function |
| CN203607956U (en) * | 2013-11-29 | 2014-05-21 | 南阳防爆集团股份有限公司 | Low-center high-capacity motor |
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| CN103595166A (en) | 2014-02-19 |
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Address after: 473008 Nanyang City, Henan Province North Road, No. 22 Patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Address before: 473008 Nanyang City, Henan Province North Road, No. 22 Patentee before: Nanyang Explosion Protection Group Co., Ltd. |