CN105186752A - End part wind path filling structure for winding - Google Patents
End part wind path filling structure for winding Download PDFInfo
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- CN105186752A CN105186752A CN201510663554.4A CN201510663554A CN105186752A CN 105186752 A CN105186752 A CN 105186752A CN 201510663554 A CN201510663554 A CN 201510663554A CN 105186752 A CN105186752 A CN 105186752A
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Abstract
The invention relates to an end part wind path filling structure for a winding, and the structure comprises an annular wind shield plate disposed in a motor case. The inner ring of the wind shield plate is disposed on a rotating shaft, and the rotating shaft passes through an end cover fixed at a front end of the motor case. The outer ring of the wind shield plate is opposite to an end part of a rotor. The end part of the rotor is provided with a rotor blade, and the rotor blade in gap contact with the outer ring of a wind shield ring. The wind shield plate is located at an axial inner side and a radial inner side of an end part of a stator winding. According to the invention, the structure enables the wind shield plate outside the end part of the stator winding in the prior art to be disposed at an inner side of the end part of the stator winding, enables the wind shield plate not to occupy the effective length of a motor seat, is simple in structural arrangement of the wind shield plate, solves problems that a motor seat of a radial ventilation motor is long and is large in material consumption, is convenient for wind in the motor to pass through the end part of the winding, speeds up the heat dissipation of the rotor, and speeds up the cooling of the motor.
Description
Technical field
The present invention relates to machine field, particularly relate to a kind of winding overhang wind path packed configuration.
Background technology
Motor generally has three kinds of ventilation forms, i.e. radial ventilation, axial ventilation and mixed ventilation structure.Radial ventilation structural electromotor draft loss is less, along motor shaft to temperature comparatively even, but volume is large, and consumptive material is many; Axial ventilation electric machine structure is compact, and economize with material, manufacture is easier to, but Temperature Distribution is vertically not too even; Mixed ventilation structural electromotor falls between.
The motor of little support adopts axial ventilation structure more, and large support motor adopts radial ventilation structure more.At present, most domestic manufacturer adopts radial ventilation and mixed ventilation structure on Y-series medium-sized high-pressure electrical machinery, and for the feature that support length is long, consumptive material is many of radial ventilation motor, devises winding overhang wind path packed configuration.
Winding overhang wind path packed configuration inherits the effect of end winding support, is conducive to shortening electric machine stand length, also plays cohesion air quantity simultaneously, increases the effect of blast and wind speed, to promote fan and cooling effect of cooler, strengthens winding overhang cooling.Winding overhang wind path filling main point of three tunnels fillings, one is the filling between coil, and two is the fillings at rotor fan place, and three is cooling fillings of end winding; Wherein, end winding cools, design in the past arranges wind blocking cylinder on support, form winding overhang by deep bead again to keep out the wind, but deep bead is in the past loaded on coil upper end, deep bead inner ring contacts with winding overhang, this design must ensure that support can be put in the outer ring of deep bead, the large wind of easily going here and there otherwise seam is made a slip of the tongue, the cooling effect of the winding overhang of motor is not good simultaneously, also have impact on the operational reliability of whole motor.
Therefore a kind of winding overhang wind path packed configuration that can overcome the above problems is needed.
Summary of the invention
Technical problem solved by the invention is to provide a kind of winding overhang wind path packed configuration, to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
The invention provides a kind of winding overhang wind path packed configuration, the inner ring of deep bead is arranged in rotating shaft, rotating shaft be located in be fixed on casing front end end cap on, the outer ring of deep bead is corresponding with rotor tip to be arranged, rotor tip is equipped with rotor blade, the periphery of rotor is provided with the stator matched with rotor, stator comprises stator winding, and the coil that stator winding end connects connects the outlet box being arranged on cabinet top, the outer ring gap-contact of rotor blade and fan shroud, deep bead is positioned at axially inner side and the radially inner side of stator winding end.
End cap of the present invention is fixed in rotating shaft by bearing, and the outside of bearing is provided with bearing end cover, and the inner side of bearing is provided with internal bearing cover, and bearing end cover and internal bearing cover are fixed on end cap by bolt and the first packing ring.
Rotating shaft position corresponding to bearing end cover of the present invention is provided with V-shaped seal ring.
The top of bearing end cover of the present invention is provided with oil connection and lubricating cup, and lubricating cup is successively by being located at the oil fuel tube in bearing end cover, the oil inlet pipe connection bearing inner race be located in end cap.
End cap of the present invention is fixed on casing by bolt and the second packing ring.
Outlet box of the present invention is connected by cable with stator winding end.
Be applied in the winding overhang wind path packed configuration in mixed ventilation structural electromotor, operational mode is as follows:
Mixed ventilation structural electromotor adopts radial single fan cooled, cold wind enters from the two sides air inlet of motor rear end, discharged by the end cap two sides air outlet of front end after cooling winding, wherein the air channel of process is divided into two: one for the leeward road of stator cylindrical, main cooling stator winding end, rotor tip and stator outer surface, another enters rotor axial air duct, and by the effect of rotor segment class fan unshakable in one's determination, the radial passage being entered stator core by rotor radial air channel realizes twice cooling; Owing to being provided with deep bead, impel cold wind to enter hot blast that motor internal takes away the inner and rotor windings of rotor core, directly discharges from the other end, effectively can prevent cold wind to reflux string wind, be conducive to raising cooling effectiveness and cooling effect.
Advantage and beneficial effect:
(1) deep bead be located in conventional art outside stator winding end is located at inside stator winding end by the present invention, deep bead is made not only no longer to take the effective length of electric machine stand, the vibrational power flow of deep bead is simple simultaneously, solves the problem that support length is long, consumptive material is many of radial ventilation motor;
(2) the inner of deep bead of the present invention is arranged in rotating shaft, the rotor blade gap-contact of outer end and rotor, under the rotation of rotor blade, the wind having taken away stators and rotators heat in motor is directly discharged, prevent the wind in motor from again flowing to rotor core inside at air outlet, cause the temperature distributing disproportionation at rotor windings and stator winding two ends even, thus decrease the phenomenon of excessive temperature differentials, ensure that cooling effect;
(3) the present invention is conducive to wind in motor quickly through winding overhang, accelerates the heat radiation of rotor, accelerates the cooling effectiveness of motor.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of embodiment of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
Fig. 1 is the structure chart of a kind of embodiment of the present invention, and it comprises the first packing ring 1, bolt 2, bearing end cover 3, bearing 4, V-shaped seal ring 5, rotating shaft 6, internal bearing cover 7, lubricating cup 8, deep bead 9, end cap 10, second packing ring 11, bolt 12, outlet box 13, casing 14, oil fuel tube 15, oil inlet pipe 16, stator winding end 17, rotor tip 18, rotor blade 19.
The front end of casing 14 is provided with end cap 10, be provided with the rotating shaft 6 through end cap 10 in casing 14, be provided with bearing 4 between end cap 10 and rotating shaft 6, the outside of bearing 4 is provided with bearing end cover 3, the inner side of bearing 4 is provided with internal bearing cover 7, and the rotating shaft position corresponding to bearing end cover 3 is provided with V-shaped seal ring 5; Bearing end cover 3, internal bearing cover 7 are fixed on end cap 10 by bolt 2 and the first packing ring 1, and end cap 10 is fixed on casing 14 by bolt 12 and the second packing ring 11; Bearing end cover 3 upper top is provided with lubricating cup 8 and oil connection, and lubricating cup 8 connects the oil fuel tube 15 be arranged in bearing end cover 3, and oil fuel tube 15 connects the oil inlet pipe 16 be arranged in end cap 10, and oil inlet pipe 16 makes lubricating oil enter the inner ring of bearing 4.
Rotor is provided with in casing 14, rotor is arranged in rotating shaft 6, rotor has rotor tip 18, rotor blade 19 rotor tip 18 is equipped with, the periphery of rotor is provided with the stator matched with rotor, stator has stator winding end 17, and the coil that stator winding end 17 connects connects the outlet box 13 being arranged on casing 14 top.Also be provided with the deep bead 9 of annular in casing 14, the outer ring of deep bead 9 is positioned at inside stator winding end 17, and corresponding with rotor blade 19, and the inner ring of deep bead 9 is fixed in rotating shaft 6.Deep bead 9 is not only positioned at the axially inner side of stator winding end 17, and is positioned at the radially inner side of stator winding end 17, makes deep bead 9 no longer take the effective length of motor case 14, simultaneously the end, outer ring of deep bead 9 and rotor blade 19 gap-contact.
Rotor blade 19 impels outside air to enter motor internal and forms blast, when rotor blade 19 rotates, impel wind direction pile warp stator winding end 17, increase the contact area of cooling air and stator winding end 17, accelerate the radiating rate of stator winding end 17, improve the cooling effectiveness of motor.
When the present invention is applied in the motor with mixed ventilation structure, if mixed ventilation structure adopts radial single fan cooled, cold air enters from the two sides air inlet of motor rear end, discharged by the end cap two sides air outlet of front end after cooling winding, wherein the air channel of process is divided into two: one for the leeward road of stator cylindrical, main cooling stator winding end, rotor tip and stator outer surface, another enters rotor axial air duct, by the effect of rotor segment class fan unshakable in one's determination, the radial passage being entered stator core by rotor radial air channel realizes twice cooling; Owing to having deep bead 9, wind is entered wind that motor internal takes away the inner and rotor windings heat of rotor core, directly discharges from the other end, prevents cooling air to reflux to go here and there wind, improves cooling effectiveness and the cooling effect of wind.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (7)
1. a winding overhang wind path packed configuration, comprise the deep bead of the annular be located in casing, it is characterized in that, the inner ring of deep bead is arranged in rotating shaft, rotating shaft be located in be fixed on casing front end end cap on, the outer ring of deep bead is corresponding with rotor tip to be arranged, rotor tip is equipped with rotor blade, the periphery of rotor is provided with the stator matched with rotor, stator comprises stator winding, and the coil that stator winding end connects connects the outlet box being arranged on cabinet top, the outer ring gap-contact of rotor blade and fan shroud, deep bead is positioned at axially inner side and the radially inner side of stator winding end.
2. a kind of winding overhang wind path packed configuration according to claim 1, it is characterized in that, described end cap is fixed in rotating shaft by bearing, the outside of bearing is provided with bearing end cover, the inner side of bearing is provided with internal bearing cover, and bearing end cover and internal bearing cover are fixed on end cap by bolt and the first packing ring.
3. a kind of winding overhang wind path packed configuration according to claim 2, it is characterized in that, the rotating shaft position corresponding to described bearing end cover is provided with V-shaped seal ring.
4. a kind of winding overhang wind path packed configuration according to claim 2, it is characterized in that, the top of described bearing end cover is provided with oil connection and lubricating cup, and lubricating cup is successively by being located at the oil fuel tube in bearing end cover, the oil inlet pipe connection bearing inner race be located in end cap.
5. a kind of winding overhang wind path packed configuration according to claim 1, it is characterized in that, described end cap is fixed on casing by bolt and the second packing ring.
6. a kind of winding overhang wind path packed configuration according to claim 1, it is characterized in that, outlet box is connected by cable with stator winding end.
7. be applied in the winding overhang wind path packed configuration in mixed ventilation structural electromotor, comprise claim 1 ~ 6, it is characterized in that, operational mode is as follows:
Mixed ventilation structural electromotor adopts radial single fan cooled, cold wind enters from the two sides air inlet of motor rear end, discharged by the end cap two sides air outlet of front end after cooling winding, wherein the air channel of process is divided into two: one for the leeward road of stator cylindrical, main cooling stator winding end, rotor tip and stator outer surface, another enters rotor axial air duct, and by the effect of rotor segment class fan unshakable in one's determination, the radial passage being entered stator core by rotor radial air channel realizes twice cooling; Owing to being provided with deep bead, impel cold wind to enter hot blast that motor internal takes away the inner and rotor windings of rotor core, directly discharges from the other end, effectively can prevent from cold wind from refluxing going here and there wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663554.4A CN105186752A (en) | 2015-10-15 | 2015-10-15 | End part wind path filling structure for winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663554.4A CN105186752A (en) | 2015-10-15 | 2015-10-15 | End part wind path filling structure for winding |
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| Publication Number | Publication Date |
|---|---|
| CN105186752A true CN105186752A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510663554.4A Pending CN105186752A (en) | 2015-10-15 | 2015-10-15 | End part wind path filling structure for winding |
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| CN (1) | CN105186752A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09191594A (en) * | 1996-01-11 | 1997-07-22 | Toshiba Corp | Stator of rotating electric apparatus |
| CN202586593U (en) * | 2012-05-31 | 2012-12-05 | 湘潭电机股份有限公司 | Bearing structure for high-voltage explosion suppression type motor |
| CN202798277U (en) * | 2012-09-02 | 2013-03-13 | 河北电机股份有限公司 | Non-stop oiling system of motor |
| CN202856538U (en) * | 2012-09-13 | 2013-04-03 | 河北电机股份有限公司 | Motor wind road structure |
| CN205017140U (en) * | 2015-10-15 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Structure is clogged to winding overhang wind path |
-
2015
- 2015-10-15 CN CN201510663554.4A patent/CN105186752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09191594A (en) * | 1996-01-11 | 1997-07-22 | Toshiba Corp | Stator of rotating electric apparatus |
| CN202586593U (en) * | 2012-05-31 | 2012-12-05 | 湘潭电机股份有限公司 | Bearing structure for high-voltage explosion suppression type motor |
| CN202798277U (en) * | 2012-09-02 | 2013-03-13 | 河北电机股份有限公司 | Non-stop oiling system of motor |
| CN202856538U (en) * | 2012-09-13 | 2013-04-03 | 河北电机股份有限公司 | Motor wind road structure |
| CN205017140U (en) * | 2015-10-15 | 2016-02-03 | 苏州萨伯工业设计有限公司 | Structure is clogged to winding overhang wind path |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20151223 |