CN107888042A - Submersible asynchronous motor - Google Patents
Submersible asynchronous motor Download PDFInfo
- Publication number
- CN107888042A CN107888042A CN201711446795.9A CN201711446795A CN107888042A CN 107888042 A CN107888042 A CN 107888042A CN 201711446795 A CN201711446795 A CN 201711446795A CN 107888042 A CN107888042 A CN 107888042A
- Authority
- CN
- China
- Prior art keywords
- stator
- asynchronous motor
- core
- rotor
- submersible
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
-
- 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
Abstract
The invention provides a kind of submersible asynchronous motor, submersible asynchronous motor includes including submersible asynchronous motor：Cooperate stator assembly and rotor assembly；Stator module includes stator cage, housing, stator core, stator winding, top ring and lower loop, shielding is set in stator cage, receiving space is formd between housing and stator cage, stator core is arranged in receiving space, stator winding is wrapped on stator core, and top ring and lower loop are arranged on the both ends of stator cage for receiving space to be closed；Rotor assembly includes armature spindle, rotor core and permanent magnet, rotor core and rotor axis connection, rotor core is located at the inside of housing, permanent magnet is arranged on rotor core, the weight of asynchronous motor is reduced using the structure of above-mentioned asynchronous motor, the volume of asynchronous motor is reduced, reduces the energy consumption of asynchronous motor, reduces the probability of asynchronous motor failure.
Description
Technical field
The invention belongs to common apparatus manufacturing industry technical field, more particularly to a kind of submersible asynchronous motor.
Background technology
Submersible asynchronous motor is the power source of immersible pump, and water immersion type submersible asynchronous motor is to be used as coolant by the use of clear water
With a kind of submersible asynchronous motor of lubricating fluid, it is limited to the strict demand in terms of water quality, the motor of the type is mainly used in
Clear water well operations.
At present, the well of domestic production is roughly divided into three kinds of dry type, filling type and Water forms with submersible motor, existing
Conventional dry in technology, filling type motor have that sealing is complicated and reliability is not high, especially at the static seal of motor due to by
The effect of motor inside and outside differential pressure is easier to intake and cause burn-down of electric motor；Water well submersible motor includes stator using water-fast
Line, rotor use copper sliver, by adpting flange, on lead assembling, under lead the parts such as assembling, thrust bearing, base and be connected to one
Rise, form motor, this structure type has the shortcomings that volume is big, efficiency is low, high energy consumption.
Therefore, this area needs a kind of new submersible asynchronous motor to solve the above problems.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of submersible asynchronous motor, it is intended to solves existing latent
The problem of water asynchronous electric engine efficiency is low.
To achieve these goals, the present invention provides following technical scheme：
A kind of submersible asynchronous motor, the submersible asynchronous motor include：The stator module and rotor set of mutual cooperation
Part；Wherein, the stator module includes stator cage, housing, stator core, stator winding, top ring and lower loop, described
Shielding is set in the stator cage, and receiving space is formd between the housing and the stator cage, described fixed
Sub- iron core is arranged in the receiving space, and the stator winding is wrapped on the stator core, the top ring and described
The both ends that lower loop is arranged on the stator cage are used to fix the rotor assembly；The rotor assembly includes armature spindle, turned
Sub- iron core, permanent magnet, the rotor core and the rotor axis connection, the rotor core are located at the inside of the housing,
The permanent magnet is arranged on the rotor core.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, packed layer is provided with the receiving space, it is described to fill out
Fill layer and the receiving space is filled in a manner of irrigating so that the receiving space forms sealing space.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the material for stating packed layer is epoxy resin.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the stator winding is enamel-cover line winding, the paint
Envelope curve is wrapped on the stator core.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the motor includes flange and base, described turn
Sub- axle includes top guide bearing, lower guide bearing and thrust bearing, the flange, the top guide bearing, the lower guide bearing, it is described only
Thrust bearing and the base are sequentially connected.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the flange, the top guide bearing, the lower leading axle
Hold, connected between the thrust bearing and the base in a manner of seam, and be bolted fixation.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, it is provided between the armature spindle and the rotor core
Baffle plate.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the rotor assembly also includes circlip, described
Circlip is arranged on the side of the baffle plate armature spindle down.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the stator core is prepared using silicon steel plate stacking；
And/or the rotor core is prepared using silicon steel plate stacking.
In the optimal technical scheme of above-mentioned submersible asynchronous motor, the permanent magnet is string configuration, the strip
Shape structure setting is inside the rotor core.
The invention provides a kind of submersible asynchronous motor, in the optimal technical scheme of the asynchronous motor of the present invention,
Receiving space is formd between the housing and the stator cage, the stator core is arranged in the receiving space,
The stator winding is wrapped on the stator core, and the top ring and the lower loop are arranged on the two of the stator cage
Hold for fixing the rotor assembly, the rotor core is located at the inside of the housing, improves the water proofing property of motor
Can, motor is avoided because entering aqueous corrosion, so as to meet the demand of submerged applications.
Further, the present invention asynchronous motor optimal technical scheme in, the rotor assembly include armature spindle,
Rotor core, permanent magnet, the rotor core and the rotor axis connection, the rotor core are located at the interior of the housing
Portion, the permanent magnet are arranged on the rotor core.Compared with the technical scheme of existing asynchronous motor, do not have on rotor
Sliver electric current is set, the weight of asynchronous motor is reduced, reduces the volume of asynchronous motor, reduce asynchronous motor
Energy consumption；Compared with the technical scheme of existing synchronous motor, Exciting Windings for Transverse Differential Protection and dc source are not provided with, and easily occur
The electrical excitation collector ring and brushgear of failure, the weight of asynchronous motor is reduced, reduce the volume of asynchronous motor, dropped
The low energy consumption of asynchronous motor, reduce the probability of asynchronous motor failure.
The operation principle of the asynchronous motor of the present invention is as follows：
After asynchronous motor accesses 380V power supplys, stator winding forms magnetic field, and rotor is in top guide bearing, lower leading axle
Hold and thrust bearing supports lower rotation, so as to drive diving pump work, water extraction is raised to ground by final realize out of deep-well.This is different
The efficiency for walking motor improves 5%~8% than conventional motors；Armature field caused by stator current and rotor permanent magnet magnetic field phase
Interaction, electromagnetic torque is produced, other drag torques is overcome, rotor is rotated with synchronous rotational speed.
Brief description of the drawings
Fig. 1 is the structural representation of the stator module of the present invention；
Fig. 2 is the structural representation of the rotor assembly of the present invention.
In figure：1st, stator module；11st, stator cage；12nd, housing；13rd, stator core；14th, stator winding；15th, upper end
Ring；16th, lower loop；17th, packed layer；2nd, rotor assembly；21st, armature spindle；22nd, rotor core；23rd, permanent magnet；24th, baffle plate；25、
Circlip.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the invention provides a kind of submersible asynchronous motor, the submersible asynchronous motor to include：
The stator module 1 and rotor assembly 2 of mutual cooperation；Wherein, the stator module 1 includes stator cage 11, housing 12, stator
Iron core 13, stator winding 14, top ring 15 and lower loop 16, the housing 12 is arranged in the stator cage 11, described
Receiving space is formd between housing 12 and the stator cage 11, the stator core 13 is arranged on the receiving space
Interior, the stator winding 14 is wrapped on the stator core 13, and the top ring 15 and the lower loop 16 are arranged on described
The both ends of stator cage 11 are used to fix the rotor assembly；The rotor assembly 2 includes armature spindle 21, rotor core 22 and forever
Magnet 23, the rotor core 22 and the armature spindle 21 connect, and the rotor core 22 is located at the inside of the housing 12,
The permanent magnet 23 is arranged on the rotor core 22.
Sliver electric current is not provided with compared with the technical scheme of existing asynchronous motor, on rotor, reduces asynchronous electricity
The weight of motivation, the volume of asynchronous motor is reduced, reduce the energy consumption of asynchronous motor；With existing synchronous motor
Technical scheme is compared, and is not provided with Exciting Windings for Transverse Differential Protection and dc source, and the electrical excitation collector ring and brush easily to break down
Device, the weight of asynchronous motor is reduced, reduce the volume of asynchronous motor, reduce the energy consumption of asynchronous motor, dropped
The probability that low asynchronous motor breaks down.
Further, receiving space is formd between the housing 12 and the stator cage 11 of the invention, it is described
Stator core 13 is arranged in the receiving space, and the stator winding 14 is wrapped on the stator core 13, the upper end
The both ends that ring 15 and the lower loop 16 are arranged on the stator cage 11 are used to fix the rotor assembly, the rotor core
22 are located at the inside of the housing 12, improve the water resistance of motor, avoid motor because entering aqueous corrosion, so as to full
The foot demand of submerged applications.
Preferably, in order to improve the sealing effectiveness of stator core 13, the receiving space is interior to be provided with packed layer 17, described to fill out
Fill layer 17 and the receiving space is filled in a manner of perfusion so that the receiving space forms sealing space.
Preferably, the material of the packed layer 17 is epoxy resin, and epoxy resin is filled into receiving space, treats epoxy
Just stator is fixed after hardening of resin.Certainly, those skilled in the art are it is also contemplated that can also use other materials to fill
Receiving space, as long as meeting the requirement of fixed stator iron core 13.
Preferably, the top ring 15 and the lower loop 16 are connected with the stator cage 11 in a welding manner.
Preferably, the stator winding 14 is enamel-cover line winding, and the enamel-covered wire is wrapped on the stator core 13.It is excellent
Selection of land, enamel-cover line winding are copper enameled wire winding, and copper enameled wire winding leading-out wire welding position is that appearance is tin plating or the copper of wicking
The position of wire bonding.
Preferably, the top ring 15 and the lower loop 16 are cyclic structure.
Preferably, baffle plate 24 is provided between the armature spindle 21 and the rotor core 22, by baffle plate 24 by armature spindle
21 and rotor core 22 separate, protection is constituted to rotor core 22, prevent water enter rotor core 22 in, so as to improve turn
The water resistance of son.
Further, the rotor assembly 2 also includes circlip, and the circlip is arranged on the baffle plate 24 down
The side of the armature spindle 21, armature spindle 21 and baffle plate 24 are fixed by circlip, so as to improve armature spindle 21 and gear
Fixed effect between plate 24, so as to further increase the water resistance of rotor.
Preferably, the permanent magnet is string configuration, and the string configuration is arranged on inside the rotor core, is
Magnetic flux provides return path, additionally it is possible to provides time-varying magnetic field for annular region.
Preferably, the permanent magnet 23 is loop configuration, and the loop configuration is set on the rotor core 22, annular
Permanent magnet evenly covers a part for the end face of rotor, provides return path for magnetic flux, additionally it is possible to when being provided for annular region
Varying magnetic field.
Preferably, the permanent magnet 23 is linear structure, and the linear structure is wrapped on the rotor core 22 and formed
Multiple side faces, the radius of curvature of the curve shape of N+1 outer peripheral faces are set to the radius of curvature of the curve shape than N outer peripheral faces
Greatly, N is positive integer.In N+1 outer peripheral faces, with the rotor outer periphery side wall of magnet insertion holes to position, formed with recessed
Portion.
Preferably, the stator core 13 is prepared using silicon steel plate stacking.
Preferably, the rotor core 22 is prepared using silicon steel plate stacking.
Preferably, rotor is made up of silicon steel punched chip and permanent magnet.
Preferably, the motor includes flange and base, and the armature spindle 21 includes top guide bearing, lower guide bearing and stopped
Thrust bearing, the flange, the top guide bearing, the lower guide bearing, the thrust bearing and the base are sequentially connected.
Preferably, between the flange, the top guide bearing, the lower guide bearing, the thrust bearing and the base
Connected in a manner of seam, and be bolted fixation, connection more firmly, improve the crushing resistance of asynchronous motor
Can, underwater pressure can be born.
When asynchronous motor access 380V power supplys after, stator winding 14 formed magnetic field, rotor top guide bearing, under lead
Bearing and the lower rotation of thrust bearing support, so as to drive diving pump work, water extraction is raised to ground by final realize out of deep-well.Should
The efficiency of asynchronous motor improves 5%~8% than conventional motors；Armature field caused by stator current and rotor permanent magnet magnetic field
Interaction, electromagnetic torque is produced, other drag torques is overcome, rotor is rotated with synchronous rotational speed.
Preferably, asynchronous motor also includes range sensor, and the range sensor is arranged on stator cage 11 and used
In the lower water depth of detection asynchronous motor.
Preferably, asynchronous motor also includes pressure sensor, and the pressure sensor is arranged on stator cage 11 and used
Underwater Pressure when the lower water of asynchronous motor is detected.
Preferably, asynchronous motor also includes temperature sensor, and the temperature sensor is arranged on stator cage 11 and used
In the temperature of detection asynchronous motor.
Described above, only presently preferred embodiments of the present invention is not intended to limit the invention, every skill according to the present invention
Any trickle amendment, equivalent substitution and the improvement that art is substantially made to above example, should be included in technical solution of the present invention
Protection domain within.
Claims (10)
1. a kind of submersible asynchronous motor, it is characterised in that the submersible asynchronous motor includes：The stator module of mutual cooperation
And rotor assembly；Wherein,
The stator module includes stator cage, housing, stator core, stator winding, top ring and lower loop, the shielding
It is set in the stator cage, receiving space, the stator iron is formd between the housing and the stator cage
Core is arranged in the receiving space, and the stator winding is wrapped on the stator core, the top ring and the lower end
The both ends that ring is arranged on the stator cage are used to fix the rotor assembly；
The rotor assembly includes armature spindle, rotor core and permanent magnet, the rotor core and the rotor axis connection, described
Rotor core is located at the inside of the housing, and the permanent magnet is arranged on the rotor core.
2. submersible asynchronous motor according to claim 1, it is characterised in that packed layer is provided with the receiving space,
The receiving space is filled in a manner of irrigating for the packed layer so that the receiving space forms sealing space.
3. submersible asynchronous motor according to claim 2, it is characterised in that the material of the packed layer is asphalt mixtures modified by epoxy resin
Fat.
4. submersible asynchronous motor according to claim 1, it is characterised in that the stator winding is enamel-cover line winding,
The enamel-covered wire is wrapped on the stator core.
5. submersible asynchronous motor according to claim 1, it is characterised in that the motor includes flange and base,
The armature spindle includes top guide bearing, lower guide bearing and thrust bearing, the flange, the top guide bearing, the lower guide bearing,
The thrust bearing and the base are sequentially connected.
6. submersible asynchronous motor according to claim 5, it is characterised in that the flange, the top guide bearing, described
Connected between lower guide bearing, the thrust bearing and the base in a manner of seam, and be bolted fixation.
7. submersible asynchronous motor according to claim 1, it is characterised in that the armature spindle and the rotor core it
Between be provided with baffle plate.
8. submersible asynchronous motor according to claim 7, it is characterised in that the rotor assembly also includes elasticity gear
Circle, the circlip are arranged on the side of the baffle plate armature spindle down.
9. submersible asynchronous motor according to claim 1, it is characterised in that the stator core uses silicon steel plate stacking
Prepare；And/or the rotor core is prepared using silicon steel plate stacking.
10. submersible asynchronous motor according to claim 1, it is characterised in that the permanent magnet is string configuration, institute
String configuration is stated to be arranged on inside the rotor core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446795.9A CN107888042A (en) | 2017-12-27 | 2017-12-27 | Submersible asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446795.9A CN107888042A (en) | 2017-12-27 | 2017-12-27 | Submersible asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107888042A true CN107888042A (en) | 2018-04-06 |
Family
ID=61771506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446795.9A Pending CN107888042A (en) | 2017-12-27 | 2017-12-27 | Submersible asynchronous motor |
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| Country | Link |
|---|---|
| CN (1) | CN107888042A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN101873043A (en) * | 2010-07-14 | 2010-10-27 | 天津驰达电机有限公司 | Asynchronous starting and permanent magnet synchronous submersible pump motor |
| CN102480174A (en) * | 2010-11-25 | 2012-05-30 | 沈阳工业大学 | Energy-saving and consumption-reducing method and device of shield pump motor |
| CN103629118A (en) * | 2013-12-10 | 2014-03-12 | 江苏大学 | Vertical pipeline permanent magnet canned motor pump |
| CN207573209U (en) * | 2017-12-27 | 2018-07-03 | 山东德源泵业有限公司 | Submersible asynchronous motor |
-
2017
- 2017-12-27 CN CN201711446795.9A patent/CN107888042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764451A (en) * | 2009-12-25 | 2010-06-30 | 江门市瑞荣泵业有限公司 | Stator structure of submersible motor and manufacturing method thereof |
| CN101873043A (en) * | 2010-07-14 | 2010-10-27 | 天津驰达电机有限公司 | Asynchronous starting and permanent magnet synchronous submersible pump motor |
| CN102480174A (en) * | 2010-11-25 | 2012-05-30 | 沈阳工业大学 | Energy-saving and consumption-reducing method and device of shield pump motor |
| CN103629118A (en) * | 2013-12-10 | 2014-03-12 | 江苏大学 | Vertical pipeline permanent magnet canned motor pump |
| CN207573209U (en) * | 2017-12-27 | 2018-07-03 | 山东德源泵业有限公司 | Submersible asynchronous motor |
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