CN208078743U - stator - Google Patents
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- CN208078743U CN208078743U CN201820680675.9U CN201820680675U CN208078743U CN 208078743 U CN208078743 U CN 208078743U CN 201820680675 U CN201820680675 U CN 201820680675U CN 208078743 U CN208078743 U CN 208078743U
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- stator
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Abstract
The utility model 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 utility model can reduce the spatial volume of motor, can reduce end wear, promote motor performance, improve the quality of stator.
Description
Technical field
The utility model belongs to motor device technical field, in particulars relate to a kind of motor stator and the motor stator
Production 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 utility model patents to disclose
A kind of stator, electric rotating machine and method for winding, the stator are that more wire rods are laminated in multilayer and are rolled up in stator core
Around stator, including parallel winding part, the more wire rods row is wound for same layer；And different layers winding portion, institute
It states more wire rods to be wound across multilayer, the method for winding is rolled up for more wire rods are laminated in multilayer in stator core
Around method for winding, including：The more wire rods are arranged and are wound for same layer by parallel winding process；And different layers around
The more wire rods are wound by line procedures across multilayer；Above-mentioned utility model patent can improve copper factor, but for fixed
The structure of sub- winding overhang, still without improvement.
It it is on 09 26th, 2014 in the applying date, application No. is 2014105046745 Chinese utility model patents to disclose
A kind of stator winding mode and stator, motor, the stator winding mode, including clamping step, by the first semi-stator iron core group
Part and the second semi-stator iron core component are all lock onto in the tooling of coil winding machine；Spooling step, in the first semi-stator iron core group
Carry out coiling on part and form the first half windings, after the first half winding coiling, will be connected to described the first half around
Enameled wire between group and the coil winding machine, which is cross on the second semi-stator iron core component, continue around line and forms second
Half winding；Demounting procedure, by the first semi-stator iron core component and the second semi-stator iron core component from the tooling
Dismounting removes；Said stator winding mode and stator can improve the production efficiency of motor, reduce labor in motor production process
The output cost of power, improves the quality of production of motor, but also without solving asking for stator winding end length and height
Topic.
Utility model content
The purpose of the utility model is to overcome the long skills with excessive height of stator winding end length in the prior art
Art problem, stator winding end length can be reduced by providing one kind, reduce the height of stator winding end, can be saved around wire rod
Material can reduce brow leakage loss, promote the motor stator of motor performance.
In order to solve the above-mentioned technical problem, the utility model provides a kind of stator, if the stator includes by dry plate
Iron core made of silicon steel sheet superposition, iron core include yoke portion and teeth portion, and the circle for accommodating rotor is formed in the axial direction of iron core
Cylindrical cavity, yoke portion are located at the outside of cavity, and teeth portion is arranged between two neighboring teeth portion for accommodating close to the inside of cavity
The groove body of conducting wire, groove body are in the core circumferential array, stator winding are arranged in groove body, the stator winding is located at groove body
Two outer ends, the as ends A and the ends B, in the wire connecting line of the ends stator winding A, using X-axis as symmetry axis
The wire connecting line in opposite groove body exit connects for straight line, in leading using Y-axis as the opposite groove body exit of symmetry axis
Line connecting line connects for straight line, forms inside and outside two layers of orthogonal wire interconnecting piece, in the orthogonal conducting wire connection in the ends A
The axial direction setting through-hole of cylindrical cavity is prolonged in the centre in portion.
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.
Compared with prior art, the beneficial effects of the utility model are：1, effectively reduce end enamel-cover linear dimension, reach
Motor performance is promoted, the purpose of the spatial volume of motor is reduced；2, enameled wire is used straight across formula, blind end centre shaping hollow out,
The online 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 turn length dimension can reduce about 8-10mm；3, enameled wire dosage can be reduced, a general stator can reduce 15%
Enameled wire dosage can save material；4, end wear can be reduced, promotes motor performance, improved efficiency about 0.5%, torque carries
Rise 4% or so；5, height can be reduced, stator volume is reduced, stator overall power is made to increase with torque density, is vacateed more
Space is 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 the utility model stator front view.
Fig. 6 be in Fig. 5 H-H to structural schematic diagram.
Fig. 7 is the utility model stator end conducting wire coiling schematic diagram.
Fig. 8 is the portions C enlarged diagram in Fig. 7.
Fig. 9 is the utility model stator groove body coiling schematic diagram.
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 utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, 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.
Stator as shown in Figure 5 to Figure 6, if including iron core 1 made of being added by dry plate silicon steel sheet stack, iron core 1 include yoke portion 2
With 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 fig. 6, 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 Fig. 5, 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, secondary
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 groove body
5 inside, then air line distance is close, it is possible to reduce 9 coiling quantity of main winding, can further reduce the cost, can subtract
Light 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 described in the utility model, compact dimensions, axial dimension is small, and armature iron-core-free, rotary inertia is small, can frequency
Numerous starting, control response are good.It contributes big, efficient, conductor duty ratio is high, can get high output, and starting torque is big, and machinery is special
Property is hard, and motor overload power is big.
Slot contract is arranged in 5 inner wall of groove body in stator as shown in Figure 5, Figure 6, 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.
By comparison, the motor produced the motor that the stator that the utility model produces is produced and using conventional stator
Performance be compared, specific data are as shown in Table 1：
Table one:The stator and conventional motor Cost And Performance comparison sheet of the utility model stator production
By data in above-mentioned table, in terms of Cost And Performance, the motor that the stator of the utility model production is produced can
To reduce end wear, motor performance, improved efficiency about 0.5% are promoted, torque magnification 4% or so makes stator overall power and turns
Square density increases, and vacates more spaces to assembly.Using the motor stator used in the utility model, have bigger excellent
Gesture and potentiality have popularizing action, can generate larger economic benefit.
The utility model embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Embodiment is stated, to those skilled in the art, can also be made under the premise of not departing from the utility model several
Variations and modifications, these also should be regarded as belonging to the scope of protection of the utility model.
Claims (6)
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）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820680675.9U CN208078743U (en) | 2018-05-08 | 2018-05-08 | stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820680675.9U CN208078743U (en) | 2018-05-08 | 2018-05-08 | stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078743U true CN208078743U (en) | 2018-11-09 |
Family
ID=64045755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820680675.9U Active CN208078743U (en) | 2018-05-08 | 2018-05-08 | stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711960A (en) * | 2018-05-08 | 2018-10-26 | 浙江信戈制冷设备科技有限公司 | Stator and stator production method |
-
2018
- 2018-05-08 CN CN201820680675.9U patent/CN208078743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711960A (en) * | 2018-05-08 | 2018-10-26 | 浙江信戈制冷设备科技有限公司 | Stator and stator production method |
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