CN108199507B - A kind of Modular motor stator structure - Google Patents
A kind of Modular motor stator structure Download PDFInfo
- Publication number
- CN108199507B CN108199507B CN201810263454.6A CN201810263454A CN108199507B CN 108199507 B CN108199507 B CN 108199507B CN 201810263454 A CN201810263454 A CN 201810263454A CN 108199507 B CN108199507 B CN 108199507B
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- China
- Prior art keywords
- magnetic conduction
- stator
- conduction item
- motor stator
- motor
- 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
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of Modular motor stator structure, including stator, the inner ring of stator yoke is evenly distributed arrangement and is equipped with multiple convex sets, and each convex sets include the lug boss that at least one protrudes from stator yoke inner ring radially inwards and in axial direction arranges；It is also circumferentially alternating on the inside of stator yoke inner ring to be equipped with magnetic conduction item and stator teeth, magnetic conduction item and stator teeth are correspondingly arranged with convex sets, and magnetic conduction item and stator teeth are equipped with the groove matched with respective protrusions portion, magnetic conduction item and stator teeth are clamped to form concealed fastener type structure in groove with corresponding lug boss., reduction motor production technology process assembled to motor module formula, shortening manufacturing cycle may be implemented in the present invention.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of Modular motor stator structure.
Background technique
The power source that motor is lived as social production, with the continuous improvement that society requires production and living, therefore it is right
More stringent requirements are proposed for operational reliability, flexibility and the controllability of motor.
It is a large amount of to damage due to holding the presence of winding resistance due to the Conventional end winding structure of motor when motor works normally
Consumption can also generate, so that the motor overheating of end windings and parts, causes End winding insulation to be destroyed, motor breaks down when serious.It passes at present
System method is to replace air in motor end encapsulating, guarantees it in the case where reliable insulation, increase casing end and winding it
Between thermal coefficient, more heats can be made to shed by casing.Also have by optimizing motor End winding coiling side
Formula shortens winding length, to reduce end wear.But these methods can only reduce to a certain extent end heat dissipation ask
Topic, can not be greatly lowered end wear and temperature.Motor length can not also be shortened simultaneously, reduce motor volume.
Conventional motors regulate and control difficulty in course of normal operation, to motor internal magnetic field, are difficult to accomplish to motor inner magnet
The real-time monitoring of field is big so as to cause motor harmonic loss；Motor pole number changes difficult simultaneously, can not be right according to actual requirement
Motor pole number is made timely to be adjusted accordingly.Traditional way is to change stator winding using changer or contactor etc. to connect
Method is to realize the pole-changing control of motor in the case that supply frequency remains unchanged, and this method tune pole range is small, and reliability is low.
According to conventional motors manufacturing process, technique is cumbersome when motor stator assembling, takes a long time, and after being completed not
It preferably dismounts, is not easy to overhaul motor, be transformed.
Summary of the invention
The present invention in order to solve the problems in the prior art, provides a kind of Modular motor stator structure, may be implemented pair
Motor module formula is assembled, reduces motor production technology process, shortens the manufacturing cycle.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of Modular motor stator structure, including
Stator, the inner ring of stator yoke be evenly distributed arrangement be equipped with multiple convex sets, each convex sets include at least one radially
The lug boss for protruding from stator yoke inner ring inwardly and in axial direction arranging；It is also circumferentially alternating on the inside of stator yoke inner ring to be equipped with
Magnetic conduction item and stator teeth, magnetic conduction item and stator teeth are correspondingly arranged with convex sets, and magnetic conduction item and stator teeth be equipped with
The groove that respective protrusions portion matches, magnetic conduction item and stator teeth are clamped to form concealed fastener type knot in groove with corresponding lug boss
Structure.
Magnetic conduction item is flexible magnetic conduction item, and flexible magnetic conduction item is equipped with the fixing layer for keeping its shape, motor stator straightway
Conducting wire directly passes through in flexible magnetic conduction item.
Magnetic conduction item is fluid magnetic conduction item, and fluid magnetic conduction item is equipped with the fixing layer for keeping its shape, is full of and leads in fixing layer
Magnetic fluid or powder, motor stator straight line section lead are passed through from magnetic conduction fluid or powder.
Magnetic conduction item is honeycomb magnetic conduction item, and motor stator straight line section lead is directly worn from the honeycomb hole of honeycomb magnetic conduction item
It crosses.
The axial end portion of stator is equipped with conducting wire access layer, and conducting wire access layer and magnetic conduction corresponding position are equipped with connector, and every
Slot motor stator straight line section lead connect to form plug-in type connection header structure by plug with corresponding joints.
The outside of conducting wire access layer is also equipped with sub-cooled layer.
Sub-cooled layer is equipped with the shell for keeping its shape, and cooling liquid is filled in shell.
Control area is also equipped on conducting wire access layer.
The beneficial effects of the present invention are:
1. stator teeth is clamped with corresponding lug boss in groove and (replaces stator toothing, can be changed big in the present invention
It is small), magnetic conduction item is clamped with corresponding lug boss in groove and (replaces stator slot, size can be changed), so as to realize to electricity
Machine Modular spliced reduces motor production technology process, shortens the manufacturing cycle.
Stator structure of the invention can realize each wire independent operating in stator slot, guarantee control flexibility and controllable
Property, and without tap.In failure, by controlling controllable switch, fault wire can be effectively cut off, guarantees that motor is transported safely
Row, to improve the fault-tolerant ability and reliability of motor.
2. the axial end portion of the stator is equipped with conducting wire access layer, the outside of conducting wire access layer is also equipped with sub-cooled
Layer, to form composite layer board structure of circuit, compares conventional motors without end coil, therefore can greatly reduce brow leakage, together
When reduce end consumptive material.
Conducting wire access layer and magnetic conduction corresponding position are equipped with connector, and every slot motor stator straight line section lead and corresponding joints
It connects to form plug-in type connection header structure by plug, by pluggable mode, so that the conducting wire and circuit of the every slot straightway of motor
Each conductor corresponding with slot is connected (number of lead wires and conductor number are equal to each other) in plate.Conductor uses super-low resistance in circuit board
Rate material (the small material of resistivity under such as graphene or some low temperature).All corresponding conductors of circuit board all pass through one
Region is directly controlled, this directly controls the resistance for having corresponding every conductor in region, and inductance, (it is adjustable type device to capacitor
Part), controllable switch (on-off for pilot).Each slot conducting wire can realize interconnection directly controlling region.
Conductor uses super-low resistivity material in compound layer circuit board simultaneously, end wear also very little, by sub-cooled
Layer, end region temperature can be very low.
And the resistance electricity for directly controlling each conductor series connection in region of conducting wire access layer can be changed by controller
Electrification holds equivalence, changes the current amplitude and phase of each wire in each stator slot, to realize to motor internal magnetic field
Direct regulation and control.When starting, using the resistance and inductance for directly controlling region, maximum starting torque is obtained, the starting of motor is improved
Ability.When stable operation, the real-time adjusting to magnetic field in motor is realized, form controllable round magnetic field, reduce harmonic field and cause
Loss, effectively improve motor operation efficiency.
The content of harmonic wave in magnetic field is controlled, to realize by directly controlling to stator field based on Harmonic Theory
Any adjusting to stator field number of poles forms the adjustable range covered from the two poles of the earth to any number of poles.
3. by being assemblied to form complete motor, each section of completion will be pre-machined in motor each section in the present invention
Successively assembled according to erection sequence, installation requirement, simple process are convenient
4. the present invention has broken the boundary of stator coil winding in conventional motors system, the motor stator structure designed
It is big to solve end wear, temperature is high, and stator field controls the problems such as difficult, is simple to manufacture, and support assembles on the spot, greatly shortens
The motor manufacturing period, while conveniently motor is transformed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram at stator position in the present invention；
Fig. 2 is the scheme of installation in the present invention at flexible magnetic conduction item；
Fig. 3 is the scheme of installation in the present invention at fluid magnetic conduction item；
Fig. 4 is the scheme of installation in the present invention at honeycomb magnetic conduction item；
Fig. 5 be in the present invention magnetic conduction item and stator yoke in axial scheme of installation；
Fig. 6 is the structural schematic diagram of conducting wire access layer in the present invention；
Fig. 7 is the side view of Fig. 6.
Specific embodiment
It elaborates below in conjunction with specific embodiment of the attached drawing 1 to Fig. 7 to the present embodiment.
A kind of Modular motor stator structure of the invention, including stator, the inner ring of stator yoke 1 are evenly distributed arrangement and set
There are multiple convex sets, each convex sets include multiple protruding from 1 inner ring of stator yoke radially inwards and in axial direction arranging
Lug boss 11；It is also circumferentially alternating on the inside of 1 inner ring of stator yoke to be equipped with magnetic conduction item 2 and stator teeth 3, magnetic conduction item 2 and stator
Teeth portion 3 is correspondingly arranged with convex sets, and magnetic conduction item 2 and stator teeth 3 are equipped with the groove matched with respective protrusions portion 11, lead
Magnetic stripe 2 and stator teeth 3 are clamped to form concealed fastener type structure in groove with corresponding lug boss.
The magnetic conduction item can select flexible magnetic conduction item, fluid magnetic conduction item or honeycomb magnetic conduction item.
When magnetic conduction item 2 selects flexible magnetic conduction item, as shown in Fig. 2, flexible magnetic conduction item is equipped with the fixing layer for keeping its shape,
Motor stator straight line section lead directly passes through in flexible magnetic conduction item.
When the selection fluid magnetic conduction item of magnetic conduction item 2, as shown in figure 3, fluid magnetic conduction item is equipped with the fixing layer for keeping its shape,
Magnetic conduction fluid or powder are full of in fixing layer, motor stator straight line section lead is passed through from magnetic conduction fluid or powder.
When magnetic conduction item 2 selects honeycomb magnetic conduction item, as shown in figure 4, motor stator straight line section lead is directly led from honeycomb
It is passed through in the honeycomb hole of magnetic stripe.
Above structure can also be applied to tradition other than it can be applied to the straightway stator structure that the present embodiment is shown
Silent slot type stator structure or open slot stator structure.
By above-mentioned design, stator teeth is clamped with corresponding lug boss in groove and (replaces stator toothing, can be changed
Size), magnetic conduction item is clamped with corresponding lug boss in groove and (replaces stator slot, size can be changed), in practical applications, root
The magnetic conduction item and stator teeth that different in width size can be chosen according to different requirements, by the lug boss of stator yoke with magnetic conduction item or calmly
The groove of sub- teeth portion, the two is closely together, assembled to motor module formula so as to realize, reduces motor production technology stream
Journey shortens the manufacturing cycle.
In the present embodiment, the axial end portion of the stator is equipped with conducting wire access layer 4, and the outside of conducting wire access layer is also equipped
Sub-cooled layer 5 compares conventional motors without end coil to form composite layer board structure of circuit, therefore can greatly reduce end
Portion's leakage field, while reducing end consumptive material.
Conducting wire access layer 4 and 2 corresponding position of magnetic conduction item are equipped with connector 41, and every slot motor stator straight line section lead with it is corresponding
Connector 41 forms plug-in type by the connection of plug 42 and connects header structure, is also equipped with control area 6 on conducting wire access layer 4.By inserting
Mode is pulled out, so that each conductor corresponding with slot is connected and (number of lead wires and leads in the conducting wire and circuit board of the every slot straightway of motor
Body number is equal to each other).(resistivity is small under such as graphene or some low temperature using super-low resistivity material for conductor in circuit board
Material).All corresponding conductors of circuit board all pass through one and directly control region, this, which directly controls in region to have, corresponds to every
The resistance of conductor, inductance, capacitor (it is adjustable type device), controllable switch (on-off for pilot).Each slot conducting wire
Interconnection can be realized directly controlling region.
Conductor uses super-low resistivity material in compound layer circuit board simultaneously, end wear also very little, by sub-cooled
Layer, end region temperature can be very low.
And the resistance electricity for directly controlling each conductor series connection in region of conducting wire access layer 4 can be changed by controller
Electrification holds equivalence, changes the current amplitude and phase of each wire in each stator slot, to realize to motor internal magnetic field
Direct regulation and control.When starting, using the resistance and inductance for directly controlling region, maximum starting torque is obtained, the starting of motor is improved
Ability.When stable operation, the real-time adjusting to magnetic field in motor is realized, form controllable round magnetic field, reduce harmonic field, effectively
Improve motor operation efficiency.
The content of harmonic wave in magnetic field is controlled, to realize by directly controlling to stator field based on Harmonic Theory
Any adjusting to stator field number of poles forms the adjustable range covered from the two poles of the earth to any number of poles.
The sub-cooled layer 5 is equipped with the shell for keeping its shape, and cooling liquid, such as liquid nitrogen are filled in shell.
Stator structure of the invention can realize each wire independent operating in stator slot, guarantee control flexibility and controllable
Property, and without tap.In failure, by controlling controllable switch, fault wire can be effectively cut off, guarantees that motor is transported safely
Row, to improve the fault-tolerant ability and reliability of motor.
Present invention can apply to induction machines and magneto, and which solve solving, motor brow leakage is big, and loss is big,
The problems such as temperature is high, and consumptive material is serious, shortens motor length, reduces motor volume, can carry out to motor internal magnetic field direct
Regulation can greatly provide electric motor starting performance and stable operating performance, reduce the harmonic loss etc. when stable operation, effectively mention
High motor operation efficiency, the number of poles that motor may be implemented arbitrarily are adjusted (from the two poles of the earth to any number of poles), and the operation for improving motor can
By property, reduction motor production technology process assembled to motor module formula, shortening manufacture week is may be implemented in flexibility and controllability
Phase.
The present invention has broken the boundary of stator coil winding in conventional motors system, and the motor stator structure designed solves
The problems such as end wear is big, and temperature is high, and stator field control is difficult, is simple to manufacture, and support assembles on the spot, greatly shortens electricity
The machine manufacturing cycle, while conveniently motor is transformed.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although referring to above-described embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that: still the present invention can be modified or be waited
With replacement, without departing from the spirit or scope of the invention, or any substitutions, should all cover in power of the invention
In sharp claimed range.
Claims (8)
1. a kind of Modular motor stator structure, including stator, it is characterised in that: the inner ring of stator yoke is evenly distributed arrangement and sets
There are multiple convex sets, each convex sets include that at least one protrudes from stator yoke inner ring and in axial direction cloth radially inwards
The lug boss set；It is also circumferentially alternating on the inside of stator yoke inner ring to be equipped with magnetic conduction item and stator teeth, magnetic conduction item and stator teeth
It is correspondingly arranged with convex sets, and magnetic conduction item and stator teeth are equipped with the groove matched with respective protrusions portion, magnetic conduction item and fixed
Sub- teeth portion is clamped to form concealed fastener type structure in groove with corresponding lug boss.
2. Modular motor stator structure according to claim 1, it is characterised in that: magnetic conduction item is flexible magnetic conduction item, soft
Property magnetic conduction item be equipped with the fixing layer for keeping its shape, motor stator straight line section lead directly passes through in flexible magnetic conduction item.
3. Modular motor stator structure according to claim 1, it is characterised in that: magnetic conduction item is fluid magnetic conduction item, stream
Body magnetic conduction item is equipped with the fixing layer for keeping its shape, is full of magnetic conduction fluid or powder in fixing layer, motor stator straightway is led
Line is passed through from magnetic conduction fluid or powder.
4. Modular motor stator structure according to claim 1, it is characterised in that: magnetic conduction item is honeycomb magnetic conduction item,
Motor stator straight line section lead is directly passed through from the honeycomb hole of honeycomb magnetic conduction item.
5. Modular motor stator structure according to claim 1-4, it is characterised in that: the axial end portion of stator
Equipped with conducting wire access layer, conducting wire access layer and magnetic conduction corresponding position are equipped with connector, and every slot motor stator straight line section lead with
Corresponding joints connect to form plug-in type connection header structure by plug.
6. Modular motor stator structure according to claim 5, it is characterised in that: the outside of conducting wire access layer is also arranged
There is sub-cooled layer.
7. Modular motor stator structure according to claim 6, it is characterised in that: sub-cooled layer, which is equipped, keeps it
The shell of shape, shell is interior to fill cooling liquid.
8. Modular motor stator structure according to claim 7, it is characterised in that: be also equipped with control on conducting wire access layer
Region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263454.6A CN108199507B (en) | 2018-03-28 | 2018-03-28 | A kind of Modular motor stator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810263454.6A CN108199507B (en) | 2018-03-28 | 2018-03-28 | A kind of Modular motor stator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108199507A CN108199507A (en) | 2018-06-22 |
| CN108199507B true CN108199507B (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810263454.6A Expired - Fee Related CN108199507B (en) | 2018-03-28 | 2018-03-28 | A kind of Modular motor stator structure |
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| Country | Link |
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| CN (1) | CN108199507B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112087113B (en) * | 2020-09-15 | 2022-05-20 | 华育昌(肇庆)智能科技研究有限公司 | Rare earth permanent magnet synchronous motor based on signal inverse transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008142001A2 (en) * | 2007-05-21 | 2008-11-27 | Siemens Aktiengesellschaft | Module for the primary part of an electric machine |
| CN102468732A (en) * | 2010-11-15 | 2012-05-23 | Hrs风电技术有限公司 | Low-loss low-speed permanent magnet synchronous motor |
| CN103210565A (en) * | 2010-09-23 | 2013-07-17 | 北方动力系统效用公司 | Electromagnetic rotary machines having modular active-coil portions and modules for such machines |
| CN105515230A (en) * | 2015-12-31 | 2016-04-20 | 北京金风科创风电设备有限公司 | Stator of generator |
| CN106230212A (en) * | 2016-08-22 | 2016-12-14 | 北京理工大学 | A kind of single phase multi high frequency aluminum winding electric machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3579385B1 (en) * | 2014-06-24 | 2022-08-10 | Kubota Corporation | Cooling structure for dynamo-electric machine |
-
2018
- 2018-03-28 CN CN201810263454.6A patent/CN108199507B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008142001A2 (en) * | 2007-05-21 | 2008-11-27 | Siemens Aktiengesellschaft | Module for the primary part of an electric machine |
| CN103210565A (en) * | 2010-09-23 | 2013-07-17 | 北方动力系统效用公司 | Electromagnetic rotary machines having modular active-coil portions and modules for such machines |
| CN102468732A (en) * | 2010-11-15 | 2012-05-23 | Hrs风电技术有限公司 | Low-loss low-speed permanent magnet synchronous motor |
| CN105515230A (en) * | 2015-12-31 | 2016-04-20 | 北京金风科创风电设备有限公司 | Stator of generator |
| CN106230212A (en) * | 2016-08-22 | 2016-12-14 | 北京理工大学 | A kind of single phase multi high frequency aluminum winding electric machine |
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| Publication number | Publication date |
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| CN108199507A (en) | 2018-06-22 |
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