CN208479438U - The latent oil of underground cartridge type operation directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump - Google Patents
The latent oil of underground cartridge type operation directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump Download PDFInfo
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- CN208479438U CN208479438U CN201821173356.5U CN201821173356U CN208479438U CN 208479438 U CN208479438 U CN 208479438U CN 201821173356 U CN201821173356 U CN 201821173356U CN 208479438 U CN208479438 U CN 208479438U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 24
- 238000004080 punching Methods 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000003491 array Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses the ultra-fine long high performance permanent magnetic synchronous motors that a kind of latent oil of underground cartridge type operation directly drives pump, it includes shell, stator module, rotor assembly and armature spindle；Armature spindle is whole axis；Rotor assembly includes multiple unit rotors, and unit rotor includes rotor core and the permanent magnet that is set on rotor core, and each unit rotor is coaxially connected on armature spindle with its rotor core, is provided with bearing between the adjacent rotor of Unit two；Stator module includes the stator silicon steel punching and stator copper punching that coil windings and size match with groove profile, and silicon steel core length is equal with rotor core length, and stator copper punching is equal with bearing width, is fastened on the inner wall of shell.Convenient, the reliable advantage of concentricity is assembled to realize also to have while guaranteeing permanent magnet synchronous motor items superiority, is capable of the simplification assembling process of high degree, reduces assembly difficulty, improve assembly efficiency, reduce production cost.
Description
Technical field
The utility model relates to a kind of straight magnetoes for driving pump more particularly to a kind of latent oil of underground cartridge type operation directly to drive
The ultra-fine long high performance permanent magnetic synchronous motor of pump.
Background technique
The exploitation situation of the petroleum resources in current China gradually develops to middle and later periods mining phase, gradually with cost for oil production
Optimization and reduction, oil-immersed pump oil recovery have become one of important technical of oilfield stable production, and submersible motor is as electric submersible pump
The superiority and inferiority of one of core drive component of oil extraction system, performance directly affects the working condition of whole system, determines well
The efficiency that field is recovered the oil, while being also the formant of energy consumption.Current submersible motor mainly uses asynchronous machine as driving, different
Walking motor has structure simple, high reliablity, control system also advantages such as simpler.But asynchronous machine exists in performance
Efficiency and power factor are relatively low, are unfavorable for improving the working efficiency of entire oil extraction system, reduce the cost for oil production in oil field；It dives simultaneously
The concentricity grade of oily asynchronous machine slender construction, especially rotor need to reach 3 grades or more, to inhibit cumulative errors to cause together
Heart degree is bigger than normal to cause submersible pump system to vibrate big problem, so there are certain risks in processing and manufacturing.To increase machine
The failure rate and maintenance frequency of group.
To solve the above-mentioned problems, it is developed latent oil magneto, for asynchronous machine, latent oil Permanent Magnet and Electric
Machine has the advantage that
1, the rotor of latent oil magneto is rotated with synchronous speed, and the loss on rotor is much smaller compared with asynchronous machine.Permanent Magnet and Electric
Machine uses permanent magnet excitation, and the reactive component ratio in electric current is smaller, and there is no excitation loss, slip loss and rotor damages
Consumption, the power factor of magneto are also higher.So magneto is more energy-efficient, High Power Factor characteristic can improve electricity
The quality of net.
2, there is slip in asynchronous machine, if the speed of a few section motors is different, internal stress can be brought, to control
The precision of system processed can also have an impact, and cause local temperature rise excessively high, seriously affect electrical machinery life.Permanent magnet synchronous motor is due to electricity
Machine revolving speed follows strictly synchronous rotational speed, so rotational speed difference is not present between every section motor, can be segmented bring with effective solution
Negative effect.
3, since the outer diameter of motor limits, asynchronous machine can not be made into multipole, and revolving speed is higher, and which results in systems
Fault point increase, efficiency decline, complexity increase, increase the production and maintenance cost of system.Magneto can be made
The slot number cooperation of few slot multipole, motor it is functional, the rated speed of motor can design very low, and oil-immersed pump may be implemented
Straight drive, improve the efficiency of system.The failure rate for reducing system, saves production cost.
But the armature spindle of current latent oil magneto is assembled axis, rotor is respectively placed on armature spindle, so
Each armature spindle is assembled up afterwards, and in order to guarantee that the concentricity between each armature spindle needs to expend biggish energy de-regulation,
For being equipped with high requirement, even and adjusting the concentricity being also difficult to ensure between each armature spindle after the completion.
Utility model content
The purpose of this utility model is to provide a kind of latent oil for assembling the good underground cartridge type operation of convenient and concentricity is straight
Drive the ultra-fine long high performance permanent magnetic synchronous motor of pump.
The latent oil of this underground cartridge type operation provided by the utility model directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump,
It includes shell, stator module, rotor assembly and armature spindle；Armature spindle is whole axis；Rotor assembly includes multiple unit rotors,
Unit rotor includes rotor core and the permanent magnet that is set on rotor core, and each unit rotor is coaxially connected with its rotor core
It is connected on armature spindle, is provided with bearing between the adjacent rotor of Unit two；Stator module includes coil windings and size and groove profile
The stator silicon steel punching to match and stator copper punching, silicon steel core length is equal with rotor core length, the punching of stator copper with
Bearing width is equal, is fastened on the inner wall of shell.
Silent wire casing is offered on the stator, the coil windings in wire casing are single-layered fractional slot concentratred winding or bilayer
Fractional-slot concentratred winding；The rotor core is equipped with one close to outer circle and encloses arc groove for being embedded in permanent magnet, and adjacent two
Permanent magnet with N, S grades of interlaced arrangements, be adhered in each arc groove.
Circumferentially arranged 3 pairs or 4 pairs or 6 pairs of N, S permanent magnets on the rotor core；The permanent magnet material is rare earth
Samarium-cobalt material.
Slot, pole between the stator module and unit rotor, which are matched, is combined into 9 slots/6 poles or 12 slots/8 poles or 18 slots/12 poles.
Armature spindle is designed as whole axis by the utility model, and unit rotor is then arranged in armature spindle along axial direction one by one
On, bearing is set between the adjacent rotor of Unit two to support each unit rotor, includes coil windings and size by stator module
Stator silicon steel punching, copper punching as groove profile, silicon steel core length is equal with rotor core, copper punching and bearing width phase
Deng being fastened on the inner wall of shell.Also there is assembly just while guaranteeing permanent magnet synchronous motor items superiority to realize
Victory, the reliable advantage of concentricity are capable of the simplification assembling process of high degree, reduce assembly difficulty, improve assembly efficiency, reduce
Production cost.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model one embodiment.
Fig. 2 is stator section enlarged diagram.(arc groove is not drawn entirely)
Fig. 3 is unit rotor section enlarged diagram.(wire casing is not drawn entirely)
Illustrate serial number:
1-shell；
2-stator modules；21- winding, 22- stator silicon steel punching, 23- stator copper punching.
3-rotor assembly；31-unit rotors, 311-rotor cores, 312-permanent magnets, 32-bearings；
4-armature spindles.
Specific embodiment
As shown in Figure 1, the latent oil of this underground cartridge type operation provided in this embodiment directly drives the ultra-fine long efficient permanent magnet of pump
Synchronous motor, it includes shell 1, stator module 2, rotor assembly 3 and armature spindle 4.
Wherein armature spindle 4 is whole axis.
As shown in Figure 1 and Figure 2, rotor assembly 3 includes multiple unit rotors 31 and the bearing being set between each unit rotor
32, each unit rotor 31 is including rotor core 311 and the permanent magnet 312 being adhered on rotor core.The end of rotor core 311
Face is equipped with a circle totally six groups of arc grooves, and each pair of includes two two arc grooves being arranged symmetrically about axial centre face, adjacent
Two arc groove close-packed arrays are bonded with permanent magnet in each arc groove, and adjacent two permanent magnet is with N, S grades of interlaced arrangements.Permanent magnet
Using being fastened in arc groove, and close-packed arrays between adjacent permanent magnet, basic gapless, in order in the limitation in space
Under, increase magnetic flux of motor rotor as far as possible, guarantees the operation of the relatively high power of motor.
It as shown in Figure 1, Figure 3, include the stator silicon steel of coil windings 21 and size as groove profile by stator module 2
Punching 22, stator copper punching 23, silicon steel core length is equal with rotor core, and copper punching is equal with 32 width of bearing, fastens
18 silent wire casings are offered on the inner wall of shell, each stator module 2, match the slot number between unit rotor and stator
It is combined into 18 slots/6 poles.Coil windings 21 in wire casing are single-layered fractional slot concentratred winding, and the lead of each coil windings 21 is all connected with
On frequency converter outside to shell.(frequency converter is not drawn into figure).
It as an alternative, can be also 9 slots/6 poles or 12 slots/8 poles by slot number matching design.
When assembly, as shown in Figure 1, each unit rotor is assemblied on the armature spindle of same monoblock type in the present embodiment, and
It is provided with bearing 32 between each unit rotor, the stator module being made of silicon steel punching and copper punching is formed, and silicon steel
22 length of iron core is equal with rotor core 311, and copper punching 23 is equal with 32 width of bearing, is fastened on the inner wall of shell 1.
In conclusion on the one hand the utility model has every superiority of permanent magnet synchronous motor, it is latent compared to squirrel-cage
For oily asynchronous motor.The efficiency of magneto is higher by 10%-15% than asynchronous submersible motor under equal-wattage grade, simultaneously
The power factor of magneto will also be higher by asynchronous machine 10% or so, therefore oil-immersed pump direct drive unit combination type permanent-magnet motor is more
Add it is energy-efficient, simultaneously as its High Power Factor can preferably improve power grid quality.Combined type submersible motor is saved by 8-16
Unit motor parallel composition, the frequency of motor is the monotropic function of revolving speed, oil-immersed pump direct drive unit group unrelated with the variation of load
Its revolving speed is consistent when box-like magneto works, and synchronizing characteristics is stringent, and operation stability is much higher than asynchronous latent oil electricity
Machine greatly improves the operational efficiency of system, improves the reliability of system, reduces the maintenance cost of system.Therefore, designing can
The New-type electric machine for solving traditional oil-immersed pump driving motor structure manufacture, operation and maintenance problem is very necessary, after in oil field
Phase exploitation and complex hole condition recover the oil and have important engineering significance.
On the other hand convenient and various pieces after the assembly is completed are assembled compared to have for the permanent magnet synchronous motor that has
The reliable advantage of concentricity is capable of the simplification assembling process of high degree, reduces assembly difficulty, improves assembly efficiency, reduces life
Produce cost.
Claims (4)
1. the ultra-fine long high performance permanent magnetic synchronous motor that a kind of latent oil of underground cartridge type operation directly drives pump, it is characterised in that:
It includes shell, stator module, rotor assembly and armature spindle；
Armature spindle is whole axis；
Rotor assembly includes multiple unit rotors, and unit rotor includes rotor core and the permanent magnet that is set on rotor core,
Each unit rotor is coaxially connected on armature spindle with its rotor core, is provided with bearing between the adjacent rotor of Unit two；
Stator module includes the stator silicon steel punching and stator copper punching that coil windings and size match with groove profile, silicon steel
Core length is equal with rotor core length, and stator copper punching is equal with bearing width, is fastened on the inner wall of shell.
2. the latent oil of cartridge type operation in underground according to claim 1 directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump,
It is characterized in that: offering silent wire casing on the stator, the coil windings in wire casing are single-layered fractional slot concentratred winding or double
Layer fractional-slot concentratred winding；Being equipped with one close to outer circle and enclosing arc groove for being embedded in permanent magnet for the rotor core, it is adjacent
Two permanent magnets with N, S grades of interlaced arrangements, be adhered in each arc groove.
3. the latent oil of cartridge type operation in underground according to claim 2 directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump,
It is characterized in that: circumferentially arranged 3 pairs or 4 pairs or 6 pairs of N, S permanent magnets on the rotor core；The permanent magnet material is dilute
Native samarium-cobalt material.
4. the latent oil of cartridge type operation in underground according to claim 3 directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump,
Be characterized in that: slot, pole between the stator module and unit rotor, which are matched, is combined into 9 slots/6 poles or 12 slots/8 poles or 18 slots/12 poles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173356.5U CN208479438U (en) | 2018-07-20 | 2018-07-20 | The latent oil of underground cartridge type operation directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821173356.5U CN208479438U (en) | 2018-07-20 | 2018-07-20 | The latent oil of underground cartridge type operation directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479438U true CN208479438U (en) | 2019-02-05 |
Family
ID=65208913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821173356.5U Expired - Fee Related CN208479438U (en) | 2018-07-20 | 2018-07-20 | The latent oil of underground cartridge type operation directly drives the ultra-fine long high performance permanent magnetic synchronous motor of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479438U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962595A (en) * | 2019-03-20 | 2019-07-02 | 南京航空航天大学 | Ultrahigh speed magneto |
| CN114050696A (en) * | 2021-11-10 | 2022-02-15 | 榆林启迈油服科技有限公司 | Permanent magnet motor for high-temperature-resistant high-speed screw pump |
| CN114421671A (en) * | 2022-03-28 | 2022-04-29 | 胜利油田胜利泵业有限责任公司 | Submersible permanent magnet motor |
-
2018
- 2018-07-20 CN CN201821173356.5U patent/CN208479438U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109962595A (en) * | 2019-03-20 | 2019-07-02 | 南京航空航天大学 | Ultrahigh speed magneto |
| CN114050696A (en) * | 2021-11-10 | 2022-02-15 | 榆林启迈油服科技有限公司 | Permanent magnet motor for high-temperature-resistant high-speed screw pump |
| CN114421671A (en) * | 2022-03-28 | 2022-04-29 | 胜利油田胜利泵业有限责任公司 | Submersible permanent magnet motor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 |