CN108711960A - Stator and stator production method - Google Patents
Stator and stator production method Download PDFInfo
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- CN108711960A CN108711960A CN201810431974.3A CN201810431974A CN108711960A CN 108711960 A CN108711960 A CN 108711960A CN 201810431974 A CN201810431974 A CN 201810431974A CN 108711960 A CN108711960 A CN 108711960A
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- stator
- groove body
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- iron core
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000004804 winding Methods 0.000 claims abstract description 116
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 17
- 229910052742 iron Inorganic materials 0.000 claims abstract 7
- 238000000034 method Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 27
- 238000002407 reforming Methods 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 239000008358 core component Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0025—Shaping or compacting conductors or winding heads after the installation of the winding in the core or machine ; Applying fastening means on winding heads
- H02K15/0037—Shaping or compacting winding heads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- 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
- H02K3/28—Layout of windings or of connections between windings
-
- 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
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot 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
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- 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
Abstract
The invention discloses a kind of stators, belong to motor device technical field, if the stator includes iron core made of being added by dry plate silicon steel sheet stack（1）, in iron core（1）Middle setting groove body（5）, in groove body（5）Interior setting stator winding, stator winding are located at groove body（5）Two outer ends, the as ends A（6）With the ends B（7）, in the ends stator winding A（6）Wire connecting line in, inside and outside two layers of orthogonal wire interconnecting piece is formed, in the ends A（6）The centre of orthogonal wire interconnecting piece, prolongs cylindrical cavity（4）Axial direction be arranged through-hole（8）, the present invention also provides the production method of production said stator, the present invention can reduce the spatial volume of motor, can reduce end wear, promote motor performance, improve the quality of stator.
Description
Technical field
The invention belongs to motor device technical fields, in particular relate to a kind of motor stator and the production of the motor stator
Method.
Background technology
Asynchronous motor is also known as induction conductivity, is made of casing, end cap, stator, rotor, bearing etc., and stator includes machine
Seat and the parts such as stator core and stator winding, rotor are the rotating part of motor, including rotor core, rotor windings and are turned
The parts such as axis.Asynchronous motor generates electromagnetic torque by air-gap rotating magnetic field and the interaction of rotor windings induced current, from
And it is mechanical energy to realize energy converting between mechanical；Asynchronous motor is simple in structure, cheap, reliable for operation, firm due to its
It is durable, operational efficiency is higher, become a kind of common electrical equipment.
Stator winding in traditional asynchronous motor stator, including in stator core, it is main to use as shown in Figure 1
Structure, i.e., in the stator winding at stator core both ends, after line packet is embedded in groove body and shaping, end line packet needs to flip outward,
It is wrapped up again with line, in this way, causing span between line packet and line packet larger, half turn length is longer, and the high portion of line packet is higher, because
This needs enamel-cover wire material also more；Since stator winding end all has certain dispersion loss, in general, end is got over
Long, resistance is bigger, and fever is bigger, and dispersion loss is also bigger, and end is higher, and motor noise also can be bigger；Therefore, traditional
Asynchronous motor stator structure, need to be further improved, it still needs further improvement for quality；On the other hand, due to passing
The stator winding of the asynchronous motor stator of system needs worker tie up by hand in process of production, to enameled wire end of turning up
It pricks, such speed of production is slower, and production efficiency is relatively low.
On 07 01st, 2011 applying date, application No. is 2011101861057 Chinese invention patents to disclose one kind
Stator, electric rotating machine and method for winding, the stator more wire rods in stator core are laminated in multilayer and are wound
Stator, including parallel winding part, the more wire rods row are wound for same layer；And different layers winding portion, it is described more
Root wire rod is wound across multilayer, and more wire rods are laminated in multilayer in stator core and wound by the method for winding
Method for winding, including：The more wire rods are arranged and are wound for same layer by parallel winding process；And different layers coiling work
The more wire rods are wound by sequence across multilayer；Foregoing invention patent can improve copper factor, but for stator winding end
The structure in portion, still without improvement.
It it is on 09 26th, 2014 in the applying date, application No. is 2014105046745 Chinese invention patents to disclose one
Kind of stator winding mode and stator, motor, the stator winding mode, including clamping step, by the first semi-stator iron core component and
Second semi-stator iron core component is all lock onto in the tooling of coil winding machine；Spooling step, on the first semi-stator iron core component
Carry out coiling and form the first half windings, after the first half winding coiling, will be connected to the first half winding with
Enameled wire between the coil winding machine be cross on the second semi-stator iron core component continue around line and formed the second half around
Group；Demounting procedure dismantles the first semi-stator iron core component and the second semi-stator iron core component from the tooling
It removes；Said stator winding mode and stator can improve the production efficiency of motor, reduce labour in motor production process
Output cost, improve the quality of production of motor, but also without solving the problems, such as stator winding end length and height.
Invention content
It is an object of the invention to overcome stator winding end length in the prior art long and the technology of excessive height is asked
Topic, stator winding end length can be reduced by providing one kind, reduce the height of stator winding end, can saving wire material,
Brow leakage loss can be reduced, the motor stator of motor performance is promoted.
Meanwhile the present invention also provides a kind of production method of manufacture said stator, it can manufacture and meet determining for above-mentioned requirements
Son can improve stator production efficiency, improve stator quality.
In order to solve the above technical problem, the present invention provides a kind of stators, if the stator includes by dry plate silicon steel
The iron core that piece is formed by stacking, iron core include yoke portion and teeth portion, and the cylindrical shape for accommodating rotor is formed in the axial direction of iron core
Cavity, yoke portion are located at the outside of cavity, and teeth portion is arranged between two neighboring teeth portion for accommodating conducting wire close to the inside of cavity
Groove body, groove body in the core be in circumferential array, stator winding is set in groove body, and the stator winding is located at outside groove body
Two ends, the as ends A and the ends B, in the wire connecting line of the ends stator winding A, using X-axis as the opposite of symmetry axis
Groove body exit wire connecting line be straight line connection, using Y-axis as the opposite groove body exit of symmetry axis conducting wire connect
Wiring connects for straight line, forms inside and outside two layers of orthogonal wire interconnecting piece, the orthogonal wire interconnecting piece in the ends A
The axial direction setting through-hole of cylindrical cavity is prolonged in centre.
As a kind of advantageous measure, above-mentioned stator, the stator winding includes main winding and auxiliary winding, in the ends A
In inside and outside two layers of orthogonal wire interconnecting piece, main winding is arranged the internal layer in stator winding, auxiliary winding setting stator around
The outer layer of group.
As a kind of advantageous measure, above-mentioned stator in groove body, while being provided with main winding and auxiliary winding, main winding
It is positioned close to the inside of groove body, auxiliary winding is positioned close to the outside of groove body.
As a kind of advantageous measure, above-mentioned stator, the stator winding be enameled wire, enameled wire be composite coating from
Viscous enameled wire.
Further, slot contract is arranged in groove body inner wall in above-mentioned stator, and the stator winding is arranged in slot contract,
Insulating layer is set between the ends B and iron core surface.
Further, above-mentioned stator, is arranged mounting hole on iron core, is used for fixed stator iron core.
A kind of production method of said stator, the production method include the following steps：
Step A：Material punching course is cut, according to stator core size requirements, appropriately sized, shape silicon steel sheet is cut, silicon steel
Piece, which is placed on punching machine, goes out circular cavity, goes out yoke portion and teeth portion, and groove body is formed between adjacent teeth portion, then rushes button point,
If the stamping silicon steel sheet of dry plate is superimposed, is placed in mold again, carried out certainly using the button point between silicon steel sheet
Button, is pressed into iron core；
Step B：Slot contract placement process, the placing groove contract in groove body；
Step C：Stator winding winding process, according to the production requirement of different stators, coiling stator winding；
Step D：Stator winding placement process, stator winding is pressed into groove body；
Step E：The ends A reforming process is placed the ends A enameled wire in mold one, by squeezing, reaming, the ends A enamel-cover
Line flattens, and makes by the wire connecting line in the opposite groove body exit of symmetry axis of X-axis to be straight line connection, using Y-axis as symmetry axis
The wire connecting line in opposite groove body exit be straight line connection, form inside and outside two layers of orthogonal wire interconnecting piece, then
Among enameled wire, reaming is carried out, makes the enameled wire at center in circumferential direction outwardly against forming the axial direction for prolonging cylindrical cavity
The through-hole in direction；
Step F：The ends B reforming process is put into the ends B in mold two after the shaping of the ends A, and the ends B enameled wire is outside
It squeezes, makes the ends B enameled wire in the radial direction of groove body, form shape of turning up；
Step G：Heat set process is placed on the stator by reforming process in heating device and is heated, make the ends A and B
The composite coating self-adhesive enameled wire of end shapes, and is cooled down, and cures.
Further, above-mentioned a kind of stator production method, in step D, when compacting, the main winding and pair of stator winding
Winding is compressed in groove body simultaneously, and main winding is on the inside of groove body, and auxiliary winding is on the outside of groove body.
Further, above-mentioned a kind of stator production method, in step E, the ends A reforming process includes pre-shaped and secondary
Shaping, in step F, the ends B reforming process also includes pre-shaped and secondary reshaping；By pre-shaped, enameled wire can be prevented
It is damaged or causes enamel-cover thread breakage.
Further, above-mentioned a kind of stator production method, in step G, during heat set, heating temperature setting
It it is 150 ~ 200 DEG C, the set time is set as 20 ~ 150 seconds.
Compared with prior art, the beneficial effects of the present invention are：1, effectively reduce end enamel-cover linear dimension, reach promotion
Motor performance reduces the purpose of the spatial volume of motor；2, enameled wire is used straight across formula, blind end centre shaping hollow out, online
The intermediate shaping of packet goes out a circular hole, avoids the installation of fuel sucking pipe, the high portion in end about 8-10mm smaller than conventional motor end size, i.e., half
Circle length dimension can reduce about 8-10mm；3, enameled wire dosage can be reduced, a general stator can reduce by 15% enamel-cover
Line dosage can save material；4, end wear can be reduced, motor performance, improved efficiency about 0.5%, torque magnification 4% are promoted
Left and right；5, height can be reduced, stator volume is reduced, so that stator overall power is increased with torque density, vacates more spaces
To assembly.
Description of the drawings
Fig. 1 is traditional stator front view.
Fig. 2 be in Fig. 1 I-I to structural schematic diagram.
Fig. 3 is traditional stator end leads coiling schematic diagram.
Fig. 4 is traditional stator groove body coiling schematic diagram.
Fig. 5 is stator front view of the present invention.
Fig. 6 be in Fig. 5 H-H to structural schematic diagram.
Fig. 7 is stator end conducting wire coiling schematic diagram of the present invention.
Fig. 8 is the portions C enlarged diagram in Fig. 7.
Fig. 9 is stator groove body coiling schematic diagram of the present invention.
Figure 10 is the production method process schematic of stator of the present invention.
Drawing reference numeral explanation：1- iron cores, 2- yokes portion, 3- teeth portion, 4- cavitys, 5- groove bodies, the ends 6-A, the ends 7-B, 8- are logical
Hole, 9- main windings, 10- auxiliary winding, 11- insulating layers, 12- mounting holes.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 5, two end leads connecting lines outside the groove body 5 of current conventional induction machine stator,
Valgoid is all presented in shape after embedding completeness, and the wire connecting line between groove body 5 is arc, and span is big between wire connecting line,
In order to adapt to shaping, conducting wire half turn length is longer, thus all has relatively high end, generally between 23.5-26mm, this
Sample, stator height is higher, and enameled wire dosage is more, and end wear is larger；And stator enamelled wire generally uses conventional 200 grades
Enameled wire, stator both ends wire connecting line need to be bound with binding wire, and such speed of production is slow.
If Fig. 6 is to stator shown in Fig. 10, if including iron core 1 made of being added by dry plate silicon steel sheet stack, iron core 1 include yoke portion
2 and teeth portion 3, the cylindrical cavity 4 for accommodating rotor is formed in the axial direction of iron core 1, yoke portion 2 is located at the outside of cavity 4,
Close to the inside of cavity 4 groove body 5 for accommodating conducting wire is arranged, groove body 5 is in iron core 1 in teeth portion 3 between two neighboring teeth portion 3
In be in circumferential array, stator winding is set in the groove body 5, and stator winding is located at two enamel-cover thread ends of formation outside groove body 5, as
The ends A 6 and the ends B 7.As shown in figure 9, in the wire connecting line of the ends stator winding A 6, using X-axis as the opposite of symmetry axis
5 exit of groove body wire connecting line be straight line connection, using Y-axis as the conducting wire in opposite 5 exit of groove body of symmetry axis
Connecting line connects for straight line, is connected by straight line, the wire connecting line in opposite 5 exit of groove body can be made most short, had in this way
Effect reduction end enamel-cover linear dimension, reaches promotion motor performance, reduces the purpose of the spatial volume of motor.At the ends stator winding A
Portion 6 forms inside and outside two layers of orthogonal wire interconnecting piece and prolongs cylinder in the centre of 6 orthogonal wire interconnecting piece of the ends A
Through-hole 8, i.e., the shaping hollow out among blind end is arranged in the axial direction of shape cavity 4, and the online intermediate shaping of packet goes out a circular hole, in this way
Installation for avoiding fuel sucking pipe.By the above method, the high portion in the ends A reduces about 8-10mm than conventional motor end size, i.e.,
Half turn length dimension can reduce about 8-10mm；Enameled wire dosage can be reduced, a general stator can reduce by 15% enamel-cover
Line dosage can save material；Height can also be reduced, stator volume is reduced, stator overall power is made to increase with torque density,
More spaces are vacateed to assembly.
Stator as shown in Figure 9, stator winding include main winding 9 and auxiliary winding 10, are mutually hung down for two layers inside and outside the ends A 6
In straight wire interconnecting piece, the internal layer in stator winding is arranged in main winding 9, and the outer layer in stator winding is arranged in auxiliary winding 10.Such as
Shown in Figure 10, in groove body 5, while it being provided with main winding 9 and auxiliary winding 10, main winding 9 is positioned close to the inside of groove body 5,
Auxiliary winding 10 is positioned close to the outside of groove body 5.Since 9 coiling quantity of main winding is more, by the way that main winding 9 is positioned close to slot
The inside of body 5, then air line distance is close, it is possible to 9 coiling quantity of main winding is reduced, can be further reduced the cost, it can be with
Mitigate stator weight.
Stator as shown in FIG. 6, stator winding are enameled wire, and enameled wire is composite coating self-adhesive enameled wire, and utilization is compound
Coating self-adhesive enameled wire makes insulate between each phase stator winding, at the same make between every each wire turn of phase stator winding into
Row insulation.In stator of the present invention, compact dimensions, axial dimension is small, and armature iron-core-free, rotary inertia is small, can frequently rise
Dynamic, control response is good.It contributes big, efficient, conductor duty ratio is high, can get high output, starting torque is big, mechanical property
Firmly, motor overload power is big.
Slot contract is arranged in 5 inner wall of groove body in stator as shown in Figure 9, Figure 10, and stator winding is arranged in slot contract, in B
Insulating layer 11 is set between 1 surface of end 7 and iron core, can effectively improve stator insulation effect in this way, improves stator quality, is prevented
Fastening breaks down.As shown in fig. 6, mounting hole 12 is arranged on iron core 1, it to be used for fixed stator iron core 1.
As shown in Figure 10, the present invention provides a kind of production method of stator, and the main process of the production method is：It is first
It first carries out cutting material punching course, according to 1 size requirements of stator core, cuts appropriately sized, shape silicon steel sheet, silicon steel sheet is put
It sets and goes out circular cavity 4 on punching machine, go out yoke portion 2 and teeth portion 3, form groove body 5 between adjacent teeth portion 3, then rush button point,
If the stamping silicon steel sheet of dry plate is superimposed, is placed in mold again, according to the needs of stator thickness, silicon is determined
The quantity of steel disc carries out self-clinching using the button point between silicon steel sheet, is pressed into iron core 1；Utilize self-clinching technology, it is possible to reduce welding step
Suddenly, production efficiency is improved, product quality is improved.After completing to cut material punching course, slot contract placement process is carried out, in groove body 5
Interior placing groove contract, for the insulation between conducting wire and silicon steel sheet.
Then stator winding winding process is carried out, the length of stator winding is determined according to the production requirement of different stators,
Coiling stator winding on enameled wire automatic coil winding machine；Stator winding placement process is carried out again, and stator winding is pressed into groove body 5
It is interior.In compacting, the main winding 9 and auxiliary winding 10 of stator winding are compressed in groove body 5 simultaneously, main winding 9 is in groove body 5
Side, auxiliary winding 10 is close to 5 outside of groove body, and by embedding simultaneously, such speed of production is very fast, because 9 quantity of main winding is more, main winding
9 is relatively thick, ensures that main winding 9 has enough support forces in this way.
After the completion of stator winding placement process, then the ends A reforming process is carried out, 6 enameled wire of the ends A is placed mold one
It is interior, by squeezing, 6 enameled wire of the ends A is flattened, is made using X-axis as the wire connecting line in opposite 5 exit of groove body of symmetry axis
It is connected for straight line, is straight line connection by the wire connecting line in opposite 5 exit of groove body of symmetry axis of Y-axis, forms inside and outside two
The orthogonal wire interconnecting piece of layer, then among enameled wire, carry out reaming, the enameled wire at center is made to be squeezed outward in circumferential direction
Pressure forms the through-hole 8 for the axial direction for prolonging cylindrical cavity 4；In order to further increase shaping effect, product quality, the ends A are improved
6 reforming process of portion includes that pre-shaped and secondary reshaping primarily determine A end shapes by pre-shaped, can prevent enameled wire by
Enamel-cover thread breakage is damaged or caused, influences product quality, then by secondary reshaping, determine the ends A final shape.
In the ends A after the completion of reforming process, then the ends B reforming process is carried out, after 6 shaping of the ends A, the ends B 7 are put into
In mold two, 7 enameled wire of the ends B outwardly against making 7 enameled wire of the ends B in the radial direction of groove body 5, formation is turned up shape.
The ends B reforming process also includes pre-shaped and secondary reshaping；By pre-shaped, B end shapes are primarily determined, can prevent enamel-cover
Line is impaired or causes enamel-cover thread breakage, influences product quality, then by secondary reshaping, determine the ends B final shape.
Heat set process is finally carried out, the stator by reforming process, is placed in heating device and is heated, make A
The composite coating self-adhesive enameled wire of end 6 and the ends B 7 shapes, and is cooled down, and cures；During heat set, heating temperature
150 ~ 200 DEG C are set as, the set time is set as 20 ~ 150 seconds, and such shaping effect is preferable.
By comparison, the property of the motor that stator produced by the invention is produced and the motor produced using conventional stator
It can be compared, specific data are as shown in Table 1：
Table one:The stator and conventional motor Cost And Performance comparison sheet of stator production of the present invention
By data in above-mentioned table, in terms of Cost And Performance, the motor that stator produced by the invention is produced can reduce end
Portion is lost, and promotes motor performance, improved efficiency about 0.5%, and torque magnification 4% or so makes stator overall power increase with torque density
Greatly, more spaces are vacateed to assembly.Using the motor stator used in the present invention, there is bigger advantage and potentiality, tool
There is popularizing action, larger economic benefit can be generated.
Embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula can also make several variations and modifications under the premise of not departing from the present invention to those skilled in the art, this
It also should be regarded as belonging to the scope of protection of the present invention a bit.
Claims (10)
1. a kind of stator, if the stator includes iron core made of being added by dry plate silicon steel sheet stack（1）, iron core（1）Including yoke portion
（2）And teeth portion（3）, in iron core（1）Axial direction form cylindrical cavity for accommodating rotor（4）, yoke portion（2）Positioned at chamber
Body（4）Outside, teeth portion（3）Close to cavity（4）Inside, in two neighboring teeth portion（3）Between be arranged for accommodating conducting wire
Groove body（5）, groove body（5）In iron core（1）In be in circumferential array, in groove body（5）Interior setting stator winding, it is characterised in that：It is described
Stator winding be located at groove body（5）Two outer ends, the as ends A（6）With the ends B（7）, in the ends stator winding A（6）'s
In wire connecting line, using X-axis as the opposite groove body of symmetry axis（5）The wire connecting line in exit connects for straight line, with Y
Axis is the opposite groove body of symmetry axis（5）The wire connecting line in exit is straight line connection, formed inside and outside two layers it is orthogonal
Wire interconnecting piece, in the ends A（6）The centre of orthogonal wire interconnecting piece, prolongs cylindrical cavity（4）Axial direction setting
Through-hole（8）.
2. stator according to claim 1, it is characterised in that：The stator winding includes main winding（9）And auxiliary winding
（10）, in the ends A（6）In inside and outside two layers of orthogonal wire interconnecting piece, main winding（9）Internal layer in stator winding is set,
Auxiliary winding（10）Outer layer in stator winding is set.
3. stator according to claim 2, it is characterised in that：In groove body（5）In, while being provided with main winding（9）And pair
Winding（10）, main winding（9）It is positioned close to groove body（5）Inside, auxiliary winding（10）It is positioned close to groove body（5）Outside.
4. stator according to claim 1, it is characterised in that：The stator winding is enameled wire, and enameled wire is compound
Coating self-adhesive enameled wire.
5. stator according to claim 1, it is characterised in that：In groove body（5）Inner wall be arranged slot contract, the stator around
Group is arranged in slot contract, in the ends B（7）With iron core（1）Insulating layer is set between surface（11）.
6. stator according to claim 1, it is characterised in that：In iron core（1）Upper setting mounting hole（12）.
7. a kind of production method according to any one of claim 1 to 6 stator, which is characterized in that the producer
Method includes the following steps：
Step A：Material punching course is cut, according to stator core（1）Size requirements cut appropriately sized, shape silicon steel sheet, silicon
Steel disc, which is placed on punching machine, goes out circular cavity（4）, go out yoke portion（2）And teeth portion（3）, in adjacent teeth portion（3）Between formed
Groove body（5）, then button point is rushed, if then the stamping silicon steel sheet of dry plate, being superimposed, being placed in mold, utilize silicon steel
Button point between piece carries out self-clinching, is pressed into iron core（1）；
Step B：Slot contract placement process, in groove body（5）Interior placing groove contract；
Step C：Stator winding winding process, according to the production requirement of different stators, coiling stator winding；
Step D：Stator winding is pressed into groove body by stator winding placement process（5）It is interior；
Step E：The ends A reforming process, the ends A（6）Enameled wire is placed in mold one, by squeezing, reaming, the ends A
（6）Enameled wire flattens, and makes the opposite groove body using X-axis as symmetry axis（5）The wire connecting line in exit connects for straight line, with Y
Axis is the opposite groove body of symmetry axis（5）The wire connecting line in exit is straight line connection, formed inside and outside two layers it is orthogonal
Wire interconnecting piece, then among enameled wire carries out reaming, makes the enameled wire at center in circumferential direction outwardly against circle is prolonged in formation
Cylindrical cavity（4）Axial direction through-hole（8）；
Step F：The ends B reforming process, in the ends A（6）After shaping, the ends B（7）It is put into mold two, the ends B（7）Paint
Envelope curve is outwardly against making the ends B（7）Enameled wire is in groove body（5）Radial direction, formation turns up shape；
Step G：Heat set process is placed on the stator by reforming process in heating device and is heated, make the ends A（6）
With the ends B（7）Composite coating self-adhesive enameled wire setting, cooled down, cure.
8. a kind of stator production method according to claim 7, which is characterized in that in step D, when compacting, stator
The main winding of winding（9）And auxiliary winding（10）It is compressed on groove body simultaneously（5）It is interior, main winding（9）Close to groove body（5）Inside, it is secondary around
Group（10）Close to groove body（5）Outside.
9. a kind of stator production method according to claim 7, which is characterized in that in step E, the ends A（6）Shaping
Journey includes pre-shaped and secondary reshaping, in step F, the ends B（7）Reforming process also includes pre-shaped and secondary reshaping.
10. a kind of stator production method according to claim 7, which is characterized in that in step G, in heat set mistake
Cheng Zhong, heating temperature are set as 150 ~ 200 DEG C, and the set time is set as 20 ~ 150 seconds.
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|---|---|---|---|
| CN201810431974.3A CN108711960A (en) | 2018-05-08 | 2018-05-08 | Stator and stator production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431974.3A CN108711960A (en) | 2018-05-08 | 2018-05-08 | Stator and stator production method |
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| Publication Number | Publication Date |
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| CN108711960A true CN108711960A (en) | 2018-10-26 |
Family
ID=63868561
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|---|---|---|---|
| CN201810431974.3A Pending CN108711960A (en) | 2018-05-08 | 2018-05-08 | Stator and stator production method |
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