CN106451972A - Marine high-pressure low-temperature submersed motor - Google Patents
Marine high-pressure low-temperature submersed motor Download PDFInfo
- Publication number
- CN106451972A CN106451972A CN201611019811.1A CN201611019811A CN106451972A CN 106451972 A CN106451972 A CN 106451972A CN 201611019811 A CN201611019811 A CN 201611019811A CN 106451972 A CN106451972 A CN 106451972A
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- CN
- China
- Prior art keywords
- stator
- rotor
- core
- slot
- stator coil
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/48—Fastening of windings on the stator or rotor structure in slots
- H02K3/487—Slot-closing devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention relates to motors, and particularly relates to a marine high-pressure low-temperature submersed motor. According to the submersed motor, a stator coil is formed by lapping a composite film to a sintered copper strap wire, a dry mica tape and an alkali-free tape coat outside the stator coil; the stator coil is embedded in a stator groove after being bound by a polyester glass fiber wire; a bottom pad, an intermediate pad and an adjustment pad in a stator slot and a slot wedge at the seal of the stator slot are made of laminated boards; the lead cable of the stator coil is a polyvinyl fluoride insulating soft cable; a stator core with winding is integrally soaked twice in solvent-free epoxy impregnating varnish after completely inserted, including one-time VPI process and one-time impregnating; a cast-aluminum rotor comprises a rotor iron core and a cage winding; the rotor iron core is overlaid by rotor sheets; the cage winding comprises a plurality of aluminum cores and two end rings; and an aluminum core is embedded in a rotor slot, and is processed from industrial pure aluminum. The marine high-pressure low-temperature submersed motor has the advantages of stable electrical insulating system, light integral weight and small medium gasification rate under a work condition that the working temperature is 165 DEG C below zero.
Description
Technical field
The present invention relates to motor is and in particular to marine high-pressure low temperature immersed motor.
Background technology
At present, common high-voltage motor cannot meet liquefied natural gas（LNG, Liquid Natural Gas）, liquefaction second
Alkene gas（LEG, Liquid Ethylene Gas）And liquid gasoline gas（LPG, Liquid Petrol Gas）Freighter is unloaded
Low temperature dive liquid special operation condition require, be primarily present problems with：Motor electrical insulation system cannot with -165 DEG C of cryogenic medias
Run under the operating mode of LNG, LEG, LPG directly contact；Motor main screw lift is big, beyond the weight requirements of shipborne equipment；Motor temperature
Rise higher, be easily caused medium and gasify in a large number, the safe and reliable even running of impact pump.
Content of the invention
For solving the above problems, the main object of the present invention is to provide a kind of ship that can be suitable for conveying LNG, LEG, LPG
Use high pressure low temperature immersed motor, this motor and -165 DEG C of cryogenic media LNG, LEG, LPG directly contacts have good insulation system
System, motor main screw lift is light, and motor feels hot is little, and medium amount of vaporization is few it is ensured that motor still is able under high pressure low temperature operating mode
Safe and reliable, stable operation.
For achieving the above object, the technical solution used in the present invention is as follows：Propose a kind of marine high-pressure low temperature latent liquid electricity
Machine, including the band wound stator iron core being arranged in immersed pump and cast-aluminum rotor, band wound stator iron core is included by stator punching
The stator core being overrided to form, stator coil, leader cable and be located at and be scheduled on stator pressing ring and the cramp at two ends unshakable in one's determination, described fixed
Subcoil is formed using laminated film wrapped sintering copper flat wire coiling, and is surrounded by low resin mica tape and alkali-free band outside it；
Stator coil is flush-mounted in stator slot via after dacron glass yarn rope colligation, heelpiece in stator slot, middle pad and adjusting pad and fixed
All using laminate, the leader cable of stator coil is polyvinyl fluoride insulated cable to the slot wedge of pilot trench sealing part, and band winding is fixed
Son leaching non-solvent epoxy impregnating varnish overall after rule is fully completed unshakable in one's determination twice, wherein VPI technique once, immerse once；Casting
Aluminium rotor includes rotor core and cage modle winding, and rotor core is overrided to form by rotor punching, cage type winding by some aluminium cores and
Two end ring compositions, aluminium core is flush-mounted in rotor slot, and aluminium core is processed using commercial-purity aluminium.
Described stator punching, rotor punching are the 50W350 silicon steel plate of 0.5mm.
Described laminate is glass fiber laminate.
Compared with prior art, the stator coil of motor adopts laminated film wrapped sintering copper flat wire coiling to the present invention, draws
Connect cryocable and adopt polyvinyl fluoride insulated motor connecting flexible cable, heelpiece in stator slot, middle pad, adjusting pad and slot wedge are all adopted
With laminate, after rule is fully completed, band wound stator is unshakable in one's determination overall to soak non-solvent epoxy impregnating varnish twice so that whole system
It is stable with insulation also can be reached during -165 DEG C of cryogenic media LNG, LEG, LPG directly contacts.Meanwhile, the aluminium core density of cast-aluminum rotor
Little, rotor weight being greatly reduced, thus mitigating main screw lift, meeting marine floating type shipborne equipment weight well
Light demand.In addition, the rotor punching material of the stator punching of stator core, cast-aluminum rotor is all from low temperature resistant, high magnetic conduction, low
The 0.5mm silicon steel plate 50W350 of loss, reduces motor iron loss, improves efficiency, reduces motor feels hot, thus decreasing
The evaporating capacity of pumped (conveying) medium.
Brief description
Fig. 1 is the structural representation of marine high-pressure low temperature immersed motor of the present invention；
Fig. 2 is the band wound stator iron core schematic diagram of marine high-pressure low temperature immersed motor of the present invention；
Fig. 3 is the A-A profile of Fig. 2；
Fig. 4 is the cast-aluminum rotor schematic diagram of marine high-pressure low temperature immersed motor of the present invention.
In figure：1- band wound stator is unshakable in one's determination, 2- cast-aluminum rotor, 3- alkali-free band, 4- mica tape, 5- self-adhesive tape, 6- lead electricity
Cable, 7- dacron glass yarn rope, 8- stator pressing ring, 9- stator punching, 10- cramp, 11- stator coil, 12- heelpiece, pad in 13-,
14- adjusting pad, 15- slot wedge, 16- rotor punching, 17- aluminium core.
Specific embodiment
With reference to embodiment, the present invention is described in detail.
Embodiment 1
Marine high-pressure low temperature immersed motor as shown in Figure 1, including band wound stator unshakable in one's determination 1 and cast-aluminum rotor 2 two parts.As Fig. 2,
Shown in 3, the stator core that includes being overrided to form by stator punching 9 with wound stator iron core, stator coil 11, leader cable 6 and
It is located at stator pressing ring 8 and the cramp 10 being scheduled on two ends unshakable in one's determination, stator coil 11 adopts laminated film wrapped sintering copper flat wire coiling,
Outsourcing low resin mica tape 4 and alkali-free band 3.Stator coil 11 embeds in stator slot after using dacron glass yarn rope 7 colligation, after rule
Interpolar line, lead wire are wrapped up with the self-adhesive tape 5 of low resin mica tape 4, silicon rubber material using after silver solder welding again.Draw and connect
Cryocable 6 adopts polyvinyl fluoride insulated motor connecting flexible cable, and with alkali-free band 3 colligation to stator coil 11 end, colligation
Ensure the wiring that lead wire length reserves 2m, after facilitating motor to assemble with the pump housing afterwards.Heelpiece 12, middle pad 13, adjusting pad 14 and groove
Wedge 15, all using laminate, carries wound stator leaching non-solvent epoxy impregnating varnish overall after rule is fully completed unshakable in one's determination twice, its
Middle VPI technique once, immerse once.The insulating protection of multilayer is so that whole system insulation is stable, safe and reliable.
As shown in figure 4, the cast-aluminum rotor in the present invention includes rotor core and cage modle winding, rotor core is to be rushed by rotor
Piece 16 is overrided to form, and cage type winding is made up of some aluminium cores and two end ring, and aluminium core 17 is flush-mounted in rotor slot, two end ring
It is located at the two ends of rotor core respectively and is pressed into contact with rotor core, aluminium core 17 is processed using commercial-purity aluminium.Technical pure
Aluminium mechanical performance at low temperature and electric property is good and its density is little, is greatly reduced rotor weight, thus subtracting
Light main screw lift, meets the lightweight demand of marine floating type shipborne equipment well.
Embodiment 2
Marine high-pressure low temperature immersed motor in the present embodiment, essentially identical in its structure and embodiment 1.Difference exists
In, rotor punching 16 material of the stator punching 9 of stator core and cast-aluminum rotor all from low temperature resistant, high magnetic conduction, low-loss
Thickness 0.5mm silicon steel plate 50W350, reduces motor iron loss, improves efficiency, reduces motor feels hot, thus decreasing defeated
Send the evaporating capacity of medium it is ensured that motor safety reliably runs.
Claims (3)
1. marine high-pressure low temperature immersed motor, including the band wound stator that is arranged in immersed pump is unshakable in one's determination and cast-aluminum rotor, band around
Group stator core includes the stator core that is overrided to form by stator punching, stator coil, leader cable and be located at and be scheduled on unshakable in one's determination two
End stator pressing ring and cramp it is characterised in that：Described stator coil is using laminated film wrapped sintering copper flat wire coiling
Become, and outside it, be surrounded by low resin mica tape and alkali-free band；Stator coil is flush-mounted in stator via after dacron glass yarn rope colligation
In groove, heelpiece in stator slot, the slot wedge of middle pad, adjusting pad and stator slot sealing part all using laminate, the drawing of stator coil
Line cable is polyvinyl fluoride insulated cable, band wound stator leaching non-solvent epoxy dipping overall after rule is fully completed unshakable in one's determination
Paint twice, wherein VPI technique once, immerse once；Cast-aluminum rotor includes rotor core and cage modle winding, and rotor core is by rotor
Punching is overrided to form, and cage type winding is made up of some aluminium cores and two end ring, and aluminium core is flush-mounted in rotor slot, and aluminium core is using industry
Fine aluminium processes.
2. marine high-pressure low temperature immersed motor according to claim 1 it is characterised in that：Described stator punching, rotor punching
Piece is the 50W350 silicon steel plate of 0.5mm.
3. marine high-pressure low temperature immersed motor according to claim 1 it is characterised in that：Described laminate is glass fibre
Laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019811.1A CN106451972A (en) | 2016-11-17 | 2016-11-17 | Marine high-pressure low-temperature submersed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611019811.1A CN106451972A (en) | 2016-11-17 | 2016-11-17 | Marine high-pressure low-temperature submersed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106451972A true CN106451972A (en) | 2017-02-22 |
Family
ID=58220675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611019811.1A Pending CN106451972A (en) | 2016-11-17 | 2016-11-17 | Marine high-pressure low-temperature submersed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106451972A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359762A (en) * | 2017-07-28 | 2017-11-17 | 卧龙电气集团股份有限公司 | A kind of ultralow temperature integrated type threephase asynchronous of the latent liquid of LNG |
| CN111064288A (en) * | 2019-12-18 | 2020-04-24 | 安徽嘀通网络科技有限公司 | Low-iron-loss automobile engine stator core and preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010035344A (en) * | 2008-07-29 | 2010-02-12 | Toshiba Corp | Stator of rotary electric machine, and the rotary electric machine |
| CN103066734A (en) * | 2012-08-29 | 2013-04-24 | 永济新时速电机电器有限责任公司 | Walking motor used for continuous miner |
| CN103427523A (en) * | 2012-05-23 | 2013-12-04 | 上海万德风力发电股份有限公司 | Large and permanent magnet wind turbine generator scatteredly embedded winding stator insulation mechanism |
| CN103618414A (en) * | 2013-12-26 | 2014-03-05 | 大连深蓝泵业有限公司 | Novel low-temperature immersed motor |
| CN206237281U (en) * | 2016-11-17 | 2017-06-09 | 佳木斯电机股份有限公司 | Marine high-pressure low temperature immersed motor |
-
2016
- 2016-11-17 CN CN201611019811.1A patent/CN106451972A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010035344A (en) * | 2008-07-29 | 2010-02-12 | Toshiba Corp | Stator of rotary electric machine, and the rotary electric machine |
| CN103427523A (en) * | 2012-05-23 | 2013-12-04 | 上海万德风力发电股份有限公司 | Large and permanent magnet wind turbine generator scatteredly embedded winding stator insulation mechanism |
| CN103066734A (en) * | 2012-08-29 | 2013-04-24 | 永济新时速电机电器有限责任公司 | Walking motor used for continuous miner |
| CN103618414A (en) * | 2013-12-26 | 2014-03-05 | 大连深蓝泵业有限公司 | Novel low-temperature immersed motor |
| CN206237281U (en) * | 2016-11-17 | 2017-06-09 | 佳木斯电机股份有限公司 | Marine high-pressure low temperature immersed motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359762A (en) * | 2017-07-28 | 2017-11-17 | 卧龙电气集团股份有限公司 | A kind of ultralow temperature integrated type threephase asynchronous of the latent liquid of LNG |
| CN111064288A (en) * | 2019-12-18 | 2020-04-24 | 安徽嘀通网络科技有限公司 | Low-iron-loss automobile engine stator core and preparation process thereof |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
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