CN104135131A - Winding independent seal waterproof motor - Google Patents
Winding independent seal waterproof motor Download PDFInfo
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- CN104135131A CN104135131A CN201410417205.XA CN201410417205A CN104135131A CN 104135131 A CN104135131 A CN 104135131A CN 201410417205 A CN201410417205 A CN 201410417205A CN 104135131 A CN104135131 A CN 104135131A
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Abstract
The invention provides a winding independent seal waterproof motor, a design mode that a stator magnetic pole is fixed through a stator iron core skeleton is adopted for a motor stator, one part of the stator magnetic pole is arranged in the stator iron core skeleton in a casting mode to form a stator straight-cylinder-typed closed inner cavity, and the other part of the stator magnetic pole is exposed out of the stator iron core skeleton to form a stator trunking. A stator winding is installed in the stator trunking and is arranged outside the stator straight-cylinder-typed closed inner cavity, and a rotator is installed in the inner cavity of the stator, so that the winding is outwards embedded and the magnetic pole is internally arranged. The stator inner cavity and the stator winding are totally independent in space, both the rotator and the stator winding have the independent sealed spaces respectively and have the independent waterproof functions respectively, electromechanical isolation is achieved in the true sense, motion and motionlessness are separated, no influences of rotation of the rotator on the stator winding is generated, and even though water enters the stator inner cavity due to the fact that a seal ring of a motor rotator shaft is worn because of long term of operation, motor short circuit cannot be generated and the motor can still work as usual. The winding independent seal waterproof motor is reasonable in structure, good and stable in waterproof performance, and suitable for any electromechanical device working in water.
Description
Technical field
The present invention is a kind of new waterproof motor simple in structure, it has adopted the design of stator core skeleton, make its stator winding and rotor spatially completely independent, stator winding and rotor all have oneself independently working space, realized independent sealed, the impact that stator winding is not rotated by motor, has avoided the short circuit in winding that causes bore of stator water inlet to cause because of the wearing and tearing of motor rotor rotating machine Simmer ring.It has auxiliary seal equipment feature few, simple in structure.It is the more current desirable substitute of deluge proof motors.
Background technology
At present, the deluge proof motor that we use is all on the basis of conventional motors, to take some seal approach, and principal mode has: the one, adopt oil-insulation sealing, and the 2nd, adopt water-proof wire coiling winding, thereby realize the water-proof function of motor.Disclosed this type of technical patent mainly contains at present: CN202260770U explosion-suppression waterproof motor, its technical characterictic is: the first mechanical seal, the second mechanical seal are arranged between front enclosing cover and armature spindle, and forms shoe cream room, thereby plays sealing function.CN202260799U efficient constant current deluge proof motor for fire pump, technical characteristics is: by the utilization of Waterproof connector of cable, can guarantee the sealing of cable joint, anti-sealing enters motor interior through cable joint and causes damage.CN2704151Y deluge proof motor, technical characteristics is: motor arbor is provided with water proof ring outward.Also have some other similar patents, here just do not enumerated, their common technical characteristics is on the basis of existing motor, to increase water-tight device or motor winding magnetic wire is carried out to water-proofing treatment, the internal structure of motor is not changed, compare with the present invention exist auxiliary seal complicated in mechanical structure, water resistance unstable, increased former motor volume, restricted application.
Summary of the invention
In order to overcome the deficiency of existing deluge proof motor, the invention provides the independent sealed deluge proof motor of a kind of novel winding, it has the advantages that volume is little, simple in structure, water resistance is stable.It is a kind of deluge proof motor that adopts Novel stator iron core, and motor stator adopts the design of stator core skeleton fixed magnetic pole, and a part for magnetic pole of the stator casts in stator skeleton, has formed the inner chamber of stator straight barrel type sealing; Another part is exposed at outward outside stator skeleton, has formed stator slot; Realized that magnetic pole is built-in, the outer embedding of winding.The combination of stator core skeleton and two rotor endcap makes the rotor in motor stator inner chamber independently in space, move at oneself, and stator core skeleton and rotor endcap also have the function of rotor bracket concurrently simultaneously, the outer wall of stator core skeleton has formed the independent sealed working space of stator winding ring fitted tube formula with motor casing (stator casing) and two stator end caps again, realized electromechanics isolation truly, after they having been done to waterproof sealing processing, just possessed separately independently water-proof function, because stator coil is operated in own independent sealed space, overcome because of the wearing and tearing of motor rotor rotating bearing seal circle and leaked and cause the potential safety hazard of short circuit in winding, even bore of stator unexpected water inlet because rotor rotates in other words, can not cause stator coil short circuit yet, if motor rotor has been done water-proofing treatment, even if bore of stator water inlet motor also can normally move.Its pump motor of can diving under water uses, and also can be other machinery of working in water power is provided.Because it is rational in infrastructure, there is good stable water resistance, it is effectively simplified and has fallen the auxiliary seal equipment of existing deluge proof motor, is the more current desirable substitute of deluge proof motors.
The technical solution adopted for the present invention to solve the technical problems is that (it is model that motor be take three mouse cage asynchronous motors, narrate basic principle of the present invention): motor rotor is comprised of rotor arbor, rotor core and rotor winding, motor rotor is made by existing cage rotor technological standards, but do the antirust processing of waterproof to it, motor rotor also can adopt magneto rotor.The stator core of motor has adopted the design of stator core skeleton fixed magnetic pole, a part that is magnetic pole of the stator casts in stator skeleton, make stator core skeleton and magnetic pole form the bore of stator of sealing straight barrel type structure, another part is exposed at outward outside stator core skeleton, become stator slot, stator winding is isolated from outside the cylinder of bore of stator, realized the outer embedding of winding, magnetic pole is built-in, stator is mainly by magnetic pole of the stator, stator core skeleton, stator slot, wire casing iron covering, stator winding forms, it is that silicon steel sheet is carried out to punching by the design's shape that magnetic pole of the stator is made, then they are laminated and are fixed together, reach specification requirement, by the design's stator core frame configuration, manufacture a set of jig and mould again, magnetic pole of the stator is put on jig and fixes and be put on mould, then with the material that is not magnetic conductor, cast, as copper, aluminium alloy, engineering plastics etc., again it is carried out to machine work, do antirust, water-proofing treatment, make its precision, performance reaches designing requirement, stator winding on stator slot setting-in, cover stator slot iron covering, formed motor stator, its manufacturing process can be worked out with reference to common three-phase electric machine stator and rotor core manufacturing process.Stator is put into stator casing, with iron pin, fix.The bearing liner that water-sealed bearing is arranged on respectively to two rotor endcap closes, first one end of rotor arbor be arranged on the bearing of front end housing and stretch out front end housing, then rotor is put into bore of stator, the other end of rotor is arranged on the bearing of rear end cap, adjust the gap between rotor and magnetic pole of the stator, again two rotor endcap are fixed on the flange of stator core skeleton, between end cap and stator core skeleton, should add waterproof sealing cushion rubber.And then install two end caps of motor stator, and during installation, also to install four waterproof sealing cushion rubbers, so just formed the independent sealed deluge proof motor of winding.Its basic functional principle of the independent sealed deluge proof motor of winding is: when adding three-phase alternating current in three phase stator winding, in motor, produced rotating magnetic field, be arranged in the rotor winding of this rotating magnetic field by cutting magnetic line, produce corresponding induced current, and this induced current is subject to rotating magnetic field effect to produce electromagnetic force, making rotor follow rotating magnetic field rotates, motor is started working, because motor stator winding and rotor have oneself independently working space, stator winding is arranged in an independent sealed annular straight tube, the motion of rotor can not produce any impact to it, stator coil terminal box has adopted water-tight design, so stator winding can safe working in water.Because stator winding is independent sealed, so can design according to actual requirement the waterproof of rotor, in the time of need to doing water-tight, two End cover for motor should adopt present design, and arbor adopts common deluge proof motor arbor waterproof way.While not needing waterproof, two end caps of motor are made into style of opening, no matter any design motor rotor arbor bearing all should adopt water-sealed bearing, motor stator inner chamber and rotor all should have been done water-proofing treatment, like this, even if bore of stator is intake, motor also can normally be worked.So motor can safe being operated in water.
The invention has the beneficial effects as follows, simple in structure, dependable performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the independent sealed deluge proof motor rotor structure of winding of the present invention and rotor winding structure schematic diagram.
Fig. 2 is stator core construction schematic diagram.
Fig. 3 is magnetic pole of the stator (upper figure) and stator slot iron covering schematic diagram (figure below).
Fig. 4 is the local amplification profile schematic diagram of Fig. 2.
Fig. 5 is that profile (upper figure) and the stator winding of Fig. 2 C-C launches schematic diagram (figure below).
Fig. 6 is stator core skeleton structure schematic diagram
Fig. 7 is the jig schematic diagram of magnetic pole of the stator
Fig. 8 is the mould schematic diagram of stator core skeleton.
Fig. 9 is the independent sealed deluge proof motor shell of winding schematic diagram (stator casing).
Figure 10 is motor installation rack structural representation.
Figure 11 is rotor front end housing structural representation.
Figure 12 is rotor rear end cover structure schematic diagram.
Figure 13 is stator rear end cover structure schematic diagram (upper figure) and rotor endcap flange seal cushion rubber schematic diagram (figure below).
Figure 14 is stator front end housing structural representation.
Figure 15 is junction box structure schematic diagram (upper figure) and binding post seal rubber sleeve structural representation (figure below).
Figure 16 is binding post structure schematic diagram (upper figure) and binding post scheme of installation (figure below).
Figure 17 is terminal box gland structure schematic diagram.
Figure 18 is power line caulking gum joint schematic diagram (upper figure) and terminal box scheme of installation (figure below).
Figure 19 is shell flange seal cushion rubber (upper figure) and stator end cap flange seal cushion rubber (figure below).
Figure 20 is the simple and easy assembling schematic diagram of the independent sealed motor of winding.
Figure 21 is the independent sealed motor power connection of winding schematic diagram.
Figure 22 is the independent sealed motor stereogram of winding.
1. motor rotors in figure, 2. rotor arbor, 3. rotor core, 4. rotor slot, 5. copper sliver, 6. copper end ring, 7. motor stator, 8. magnetic pole of the stator silicon steel sheet, 9. magnetic pole of the stator, 10. wire casing iron covering, 11. cotter slots, 12. stator core skeletons, 13. stator slots, 14. magnetic pole gaps, 15. stator end cap stator core skeleton flanges, 16. rotor endcap stator core skeleton flanges.17. stator winding, 18. magnetic pole of the stator jigs, lower of 19. stator core skeleton dies, 20. sand molds, 21. die cavities, 22. stator core skeleton die upper covers, 23. tapping holes, 24. steam vents, 25. motor casings (stator casing), 26. shell flanges, 27. motor installation racks, 28. rotor front end housings, 29. rotor endcap flanges, 30. bearing liners close, 31. rotor rear end caps, 32. stator rear end caps, 33. rotor endcap flange seal cushion rubbers, 34. stator front end housings, 35. waterproof junction boxes, 36. binding post installing holes, 37. binding post seal rubber sleeves, 38. binding posts, 39. binding post packing rings, 40. binding post mounting nuts, 41. terminal box glands, 42. power line caulking gum heads, 43. power lines, 44. shell flange seal cushion rubbers, 45. stator end cap flange seal cushion rubbers, 46. water-sealed bearings, the independent sealed deluge proof motor of 47. winding, 48. motor △ type connections, 49. motor wye connections.M1-M6 is the screw thread on part separately.
Embodiment
In Fig. 1, the rotor core building up with silicon steel punched chip (3) is fixed on rotor arbor (2), in rotor core wire casing (4), install rotor copper sliver (5), at the two ends of rotor core (3), install copper end ring (6) and be connected with copper sliver (5), form motor rotor (1).
In embodiment illustrated in fig. 2, silicon steel sheet is pressed to stator core magnetic pole silicon steel sheet (8) shape punching, laminate, the fixing magnetic pole of the stator (9) that forms, and be arranged in stator core jig (18), between internal diameter magnetic pole, to stay certain gap (14), then stator jig (18) is placed in stator mould lower (19), again stator mould upper cover (22) is placed on stator core jig (18), tapping hole (23) and steam vent should (24) align with die cavity (21), cast, cast material can be selected copper, aluminium alloy, the non-magnetic material such as engineering plastics, so just stator core magnetic pole (9) and stator core skeleton (12) have been cast on together, again it is carried out to mechanical processing technique processing, with high-intensity resin, it is done antirust again, water-proofing treatment, make its technique reach designing requirement.Stator winding (17) on stator slot (13) setting-in, covers stator slot iron covering (10), has formed motor stator (7).Its manufacturing process can be worked out with reference to common three-phase electric machine stator and rotor core manufacturing process.
In the embodiment of Figure 16, at six binding posts (38) two ends, install respectively binding post seal rubber sleeve (37), put into the binding post installing hole (36) of waterproof junction box (35), a binding post packing ring (39) is respectively installed at each binding post (38) two ends, then first-class nut (40), when assembling motor (47), stator winding (17) is connected on respectively on binding post (38) in certain sequence.
In the embodiment of Figure 18, waterproof junction box (35) in motor stator front end housing (34) installs after binding post (38), power line (43) is connected on binding post (38) by motor △ type connection (48) or motor wye connection (49), power line caulking gum head (42) is put into waterproof junction box (35), and then tighten terminal box gland (41).
In embodiment illustrated in fig. 20, first motor stator (7) is put into motor casing (25), with iron pin, insert in cotter slot (11) and fix stator (7), the bearing liner that water-sealed bearing (46) is arranged on respectively to rotor front end housing (28) and rear end cap (31) closes in (30), first one end of the arbor of motor rotor (1) (2) be arranged in the water-sealed bearing (46) of front end housing (28) and stretch out front end housing, between rotor front end housing (28) and rotor endcap stator core skeleton flange (16), add rotor endcap flange seal cushion rubber (33), again rotor (1) is put into the inner chamber of motor stator (7), another rotor endcap flange seal cushion rubber (33) is put well too, again the other end of rotor arbor (2) is arranged on the water-sealed bearing (46) of rotor rear end cap (31), then adjust the gap between rotor core (3) and magnetic pole of the stator (9), again front end housing (28) and rear end cap (31) are fixed together with rotor endcap stator core skeleton two side flanges (16) respectively, on shell flange (26) both sides, put shell flange seal cushion rubber (44) well, on stator end cap stator core skeleton flange (15) both sides, put stator end cap flange seal cushion rubber (45) well, then install respectively stator front end housing (34) and rear end cap (32), formed the independent sealed deluge proof motor of winding.
Claims (5)
1. the independent sealed deluge proof motor of winding, it is a kind of deluge proof motor that adopts novel stator structure, it is characterized in that: stator core in motor has adopted stator core frame design, a magnetic pole of the stator part has formed with stator core skeleton the bore of stator that seals straight barrel type structure among casting in stator core skeleton, motor rotor is worked in sealing straight barrel type inner chamber, another part of magnetic pole is exposed at stator core skeleton outward and forms stator slot outward, and stator winding is installed on wherein.
2. the independent sealed deluge proof motor of winding according to claim 1, is characterized in that: stator core has adopted the design of stator core skeleton fixed magnetic pole, and it is applicable to the stator core of any magnetic pole logarithm.
3. the independent sealed deluge proof motor of winding according to claim 1, is characterized in that: adopted stator core skeleton and magnetic pole to form sealing straight barrel type structure, motor rotor is installed in cylinder, the outer stator winding of installing of cylinder.
4. the independent sealed deluge proof motor of winding according to claim 1, it is characterized in that: stator core skeleton outer wall and motor casing (stator casing) have formed ring-type core structure, install after stator end cap seal at two ends, by being sealed in wherein of stator winding.
5. the independent sealed deluge proof motor of winding according to claim 1, is characterized in that: two end caps of the inner chamber of stator core skeleton and motor form sealing drum, and therein, it is again the bracket of rotor to working rotor simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417205.XA CN104135131A (en) | 2014-08-23 | 2014-08-23 | Winding independent seal waterproof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410417205.XA CN104135131A (en) | 2014-08-23 | 2014-08-23 | Winding independent seal waterproof motor |
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| CN104135131A true CN104135131A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410417205.XA Pending CN104135131A (en) | 2014-08-23 | 2014-08-23 | Winding independent seal waterproof motor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN107492974A (en) * | 2017-08-24 | 2017-12-19 | 深圳微孚智能信息科技有限公司 | Underwater propeller and its waterproof electric rotating machine |
| CN108063514A (en) * | 2017-12-22 | 2018-05-22 | 湖南湘电动力有限公司 | A kind of motor sealing structure |
| CN109088487A (en) * | 2018-09-28 | 2018-12-25 | 深圳市万至达电机制造有限公司 | A kind of new waterproof stator |
| CN109149863A (en) * | 2018-10-23 | 2019-01-04 | 南京溧水丰盛机电制造有限公司 | A kind of axial flow blower iron-shell motor |
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| CN201075761Y (en) * | 2007-06-19 | 2008-06-18 | 邱高峰 | Water-proof motor |
| CN201204502Y (en) * | 2008-05-28 | 2009-03-04 | 北京鑫凯利汽车电机有限公司 | Water-proof motor |
| CN101783555A (en) * | 2009-01-19 | 2010-07-21 | 江门金羚电机有限公司 | Small-power motor with internal air-cooling system |
| CN101976895A (en) * | 2010-07-26 | 2011-02-16 | 深圳华任兴科技有限公司 | Motor with slotless amorphous iron alloy radial magnetic circuit and process method thereof |
| CN202721538U (en) * | 2012-07-12 | 2013-02-06 | 浙江朝诚电机有限公司 | Waterproof motor |
| CN202957695U (en) * | 2012-11-16 | 2013-05-29 | 宝山钢铁股份有限公司 | Water proof motor |
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2014
- 2014-08-23 CN CN201410417205.XA patent/CN104135131A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075761Y (en) * | 2007-06-19 | 2008-06-18 | 邱高峰 | Water-proof motor |
| CN201204502Y (en) * | 2008-05-28 | 2009-03-04 | 北京鑫凯利汽车电机有限公司 | Water-proof motor |
| CN101783555A (en) * | 2009-01-19 | 2010-07-21 | 江门金羚电机有限公司 | Small-power motor with internal air-cooling system |
| CN101976895A (en) * | 2010-07-26 | 2011-02-16 | 深圳华任兴科技有限公司 | Motor with slotless amorphous iron alloy radial magnetic circuit and process method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787383A (en) * | 2017-03-02 | 2017-05-31 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN106787383B (en) * | 2017-03-02 | 2019-05-14 | 北京交通大学 | A kind of ship magneto waterproof construction |
| CN107492974A (en) * | 2017-08-24 | 2017-12-19 | 深圳微孚智能信息科技有限公司 | Underwater propeller and its waterproof electric rotating machine |
| CN108063514A (en) * | 2017-12-22 | 2018-05-22 | 湖南湘电动力有限公司 | A kind of motor sealing structure |
| CN109088487A (en) * | 2018-09-28 | 2018-12-25 | 深圳市万至达电机制造有限公司 | A kind of new waterproof stator |
| CN109149863A (en) * | 2018-10-23 | 2019-01-04 | 南京溧水丰盛机电制造有限公司 | A kind of axial flow blower iron-shell motor |
| CN109149863B (en) * | 2018-10-23 | 2024-02-06 | 南京溧水丰盛机电制造有限公司 | Iron shell motor for axial flow fan |
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Application publication date: 20141105 |
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