CN205911844U - High -speed brushless motor stator - Google Patents
High -speed brushless motor stator Download PDFInfo
- Publication number
- CN205911844U CN205911844U CN201620906598.5U CN201620906598U CN205911844U CN 205911844 U CN205911844 U CN 205911844U CN 201620906598 U CN201620906598 U CN 201620906598U CN 205911844 U CN205911844 U CN 205911844U
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- stator
- brushless motor
- speed brushless
- connecting portion
- motor stator
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Abstract
The utility model discloses a high -speed brushless motor stator, go up winding winding coil including stator core and stator core, stator core is hollow structure, stator core's inside wall sets up the stator slot, the winding coil winding is in on the stator slot, the end of a thread and the line tail of winding coil set up connecting portion, connecting portion are connected with the cable pigtail, the connecting portion surface sets up the insulating layer, connecting portion through the welding mode with the cable pigtail carries out fixed connection, and the insulating layer includes makes heat shrinkage bush, fibre sleeve pipe and/or epoxy resin paint the utility model provides a high -speed brushless motor stator's dielectric and insulating properties are very reliably stable.
Description
Technical field
This utility model is related to industrial automation equipment and manufactures field, particularly to a kind of high-speed brushless motor stator knot
Structure.
Background technology
Permanent magnet motor because its compact conformation, small volume, reliable, size and dimension is versatile and flexible the features such as, because
Its quick response and the features such as operate steadily, manufactures field and aviation boat in daily life, commercial production, industrial automation equipment
The field such as it is all widely used, and brushless electric machine has brushless, low interference, smooth movements, low noise, life-span length, dimension because of it
Shield low cost and other advantages are widely used.The stator core of existing brushless electric machine be hollow structure, stator core interior
Side wall setting stator slot, stator slot is made up of uniform raised groove tooth, and winding coil passes through certain on the groove tooth of stator slot
Rule is wound.
The lead-out wire of high-speed brushless motor stator core easily loosens when motor high-speed rotation shakes and causes loose contact,
And the cable drawn also easily causes in bending and distortion and connects unstable problem with coiling the end of a thread line WEILIAN, and draw
It is most important whether the insulating properties of line and coiling the end of a thread line tail junction operate steadily to motor.The winding of motor stator at present
The end of a thread line tail of coil is usually hard fixed form, and in motor frequent, when significantly shaking, firmly fixing weld easily breaks
Fall, can not work to motor.
Content of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art, there is provided a kind of reliability is high, insulating properties
Can be high, the motor stator structure of high-speed electric expreess locomotive even running is effectively ensured.
Specifically, this utility model provides following technical scheme:
A kind of high-speed brushless motor stator, including the winding coil being wound around on stator core and stator core, described stator
Iron core is hollow structure, the medial wall setting stator slot of described stator core, and described winding coil is wrapped on described stator slot,
The end of a thread of described winding coil and line tail setting connecting portion, described connecting portion is connected with cable pigtail, described connecting portion surface
Setting insulating barrier.
Preferably, connecting portion is fixedly connected with described cable pigtail by welding manner.
Preferably, insulating barrier includes heat-shrinkable T bush, fiber sleeve and/or epoxy resin coating.
Preferably, junction is arranged at the first end face of described stator core, arranges poly- sub- peace outside described first end face
Ester resin bed.
Preferably, cable pigtail is carried out around forming cincture portion on described stator slot end face, and described cincture portion passes through
Fixture is fixed on the end face of described stator core.
Preferably, cable pigtail passes through, inside stator core, described cincture portion is arranged at the second of described stator core
On end face.
Preferably, fixture is cotton thread, and cincture portion is wound fixing by described cotton thread with the connecting portion in first end face.
Preferably, lamellar slot wedge is set between the adjacent castellations of stator slot.
Compared with prior art, a kind of high-speed brushless motor stator that this utility model provides, has the advantages that
1) the high-speed brushless motor stator that this utility model provides passes through to arrange Polyurethane resins layer, simultaneously by winding wire
In the connecting portion of circle and cable pigtail is wrapped in, effectively prevent loosening, because Polyurethane resins layer is of connecting portion
Flexible, in high speed operation of motor, it is to avoid the junction of the cable pigtail producing because of vibrations disconnects or welding is unstable
Fixed problem.
2) winding the end of a thread line tail of the high-speed brushless motor stator that this utility model provides is drawn with cable by welding manner
Outlet is fixedly connected, and improves the stability of connection.
3) winding of high-speed brushless motor stator that this utility model provides and the connecting portion setting of cable pigtail are insulated
Layer, by soft fixed form, it is to avoid because motor frequent, significantly shake when, weld easily breaks and is unable to work to motor
The defect made；Insulating barrier is made up of heat-shrinkable T bush, fiber sleeve and epoxy resin coating simultaneously, so that dielectric and insulating properties very may be used
By stable.
4) stator core of the high-speed brushless motor stator that this utility model provides sets between the adjacent castellations of stator slot
Be equipped with lamellar slot wedge, relatively more mixed and disorderly enamel-covered wire can be blocked in winding coil and stretch to stator core center, prevent enamel-covered wire with
Rotor grinding galling is damaged, and causes motor failure；Further enhancing the insulating properties of stator by arranging slot wedge simultaneously.
5) the high-speed brushless motor stator structure advantages of simple that this utility model provides, using safety, reliability is high, is suitable for
In permanent magnet, high rotating speed and high-power rotor structure motor it is ensured that the stationarity of motor operation, reduce in motor operation
Noise and vibrations, when reducing motor work, the impact to motor rotation of the higher hamonic wave that produces, improves the output of motor simultaneously
Power.
Brief description
By reading the detailed description that non-limiting example is made made with reference to the following drawings, of the present utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 is the partial cutaway schematic of the high-speed brushless motor stator of this utility model embodiment；
Fig. 2 is the structural representation of an end face of the high-speed brushless motor stator of this utility model embodiment；
Fig. 3 is the structural representation of another end face of high-speed brushless motor stator of this utility model embodiment.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Specific embodiment
Purpose, technical scheme and advantage for making this utility model embodiment are clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described it is clear that being retouched to the technical scheme in this utility model embodiment
The embodiment stated is a part of embodiment of this utility model, rather than whole embodiments.Generally described in accompanying drawing herein and
The assembly of this utility model embodiment illustrating can be arranged with various different configurations and design.Therefore, below to attached
The detailed description of the embodiment of the present utility model that in figure provides is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under the premise of not making creative work, broadly falls into the model of this utility model protection
Enclose.
In description of the present utility model, it should be noted that the orientation of instruction or the position relationship such as term " interior ", " outward "
It is based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and simplify description, rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solution is to restriction of the present utility model.
In addition it is also necessary to explanation in description of the present utility model, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly " installation ", " connection "
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, on can understanding as the case may be
State concrete meaning in this utility model for the term.
In addition, the technical scheme between each embodiment of this utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill is capable of, will be understood that when the combination appearance of technical scheme is conflicting or cannot realize
The combination of this technical scheme does not exist, also not within the protection domain that this utility model requires.
With exemplary embodiment, this utility model is further described below in conjunction with the accompanying drawings, wherein if it is known that technology
Describe in detail for illustrating that feature of the present utility model is unnecessary, then omitted.
Fig. 1 is the partial cutaway schematic of the high-speed brushless motor stator of this utility model embodiment, high-speed brushless motor
Stator includes the winding coil 2 being wound around on stator core 1 and stator core, and stator core 1 is hollow structure, stator core 1
Medial wall is provided with radial stator slot, and stator slot is made up of multiple projecting slot teeth, and winding coil 2 is wrapped in stator slot
It is wound on groove tooth and with certain rule, stator core 1 is additionally provided with rotor insulation end plate 4 two ends.
Fig. 2 is the structural representation of the end face of high-speed brushless motor stator of this utility model embodiment, winding coil 2
The end of a thread and line tail setting connecting portion 32, connecting portion 32 is connected with cable pigtail 3, and connecting portion 32 surface arranges insulating barrier, insulation
Layer is soft materials, makes the connecting portion 32 carry out soft fixation, it is to avoid because motor frequent, significantly shake when, weld holds
Easily break defect inoperable to motor.Cable pigtail 3 adopts shielded cable, the power line within cable pigtail 3
Connect by certain rule with the connecting portion 32 of the end of a thread line tail of winding coil 2.
In the present embodiment, connecting portion 32 is fixedly connected with cable pigtail 3 by welding manner, improves connection
Stability.
Insulating barrier includes heat-shrinkable T bush, fiber sleeve or epoxy resin coating, it is preferable that insulating barrier is by interior in the present embodiment
And be made up of heat-shrinkable T bush, fiber sleeve and epoxy resin coating successively outward, using three-layer insulated protection, make dielectric and insulating properties
Very reliable and stable.
Connecting portion 32 is arranged at the first end face of stator core 1, i.e. end face shown in Fig. 2, arranges poly- outside first end face
The connecting portion 32 of winding coil 2 and cable pigtail is wrapped in interior simultaneously, effectively prevent connecting portion 32 by sub- peace ester resin bed
Loosen, because Polyurethane resins layer is flexible, in high speed operation of motor, it is to avoid because the cable that vibrations produce is drawn
The problem that the junction of line disconnects or welding is unstable.
Cable pigtail 3 also includes earth lead 33, and earth lead 33 is arranged on the outer of integrated motor by ground wire terminal 331
On shell.
Fig. 3 is the structural representation of another end face of high-speed brushless motor stator of this utility model embodiment, one
In a little embodiments, cable pigtail 3 is carried out around forming cincture portion 31 on stator slot end face, and cincture portion 31 passes through fixture
On 311 end faces being fixed on stator core 1, in the present embodiment, cable pigtail 3 specifically prolongs from the connecting portion 32 of first end face
Stretch and pass through the inside of stator core 1, then cincture portion 31 is fixed in the second end face of stator core 1 by fixture,
Effectively prevent motor from installing and running in, because the bending of cable pigtail, the cable that causes of distortion loosen and and the end of a thread
Line WEILIAN connects unstable problem.
Wherein, fixture 311 is preferably cotton thread, and cotton thread passes through cincture portion 31 and the connection in corresponding first end face
Portion 32 carries out radial direction take-up strap and fixes, and can carry out loosening regulation when unnecessary simultaneously, prevents motor to shake when being fastened and fixed
The problems such as send abnormal sound noise when dynamic.
In certain embodiments, it is provided with lamellar slot wedge between the adjacent castellations of the stator slot of stator core 1, by setting
Slot wedge, can block relatively more mixed and disorderly enamel-covered wire in winding coil and stretch to stator core 1 center, prevent enamel-covered wire from rubbing with rotor
Breakage, causes motor failure；Further enhancing the insulating properties of stator by arranging slot wedge simultaneously.
The high-speed brushless stator overall vacuum providing in the present embodiment immerses epoxy resin coating, makes stator integrally wrap up one layer
Epoxy resin coating, further increases the dielectric insulation performance of stator.
These are only this utility model preferred embodiment, be not used to limit to this utility model, all of the present utility model
Modification, equivalent and improvement of being made etc. within spirit and principle, be required to be included in protection domain of the present utility model it
Interior.
Claims (10)
1. a kind of high-speed brushless motor stator, including the winding coil being wound around on stator core and stator core, described stator ferrum
Core is hollow structure, the medial wall setting stator slot of described stator core, and described winding coil is wrapped on described stator slot, its
It is characterised by, the end of a thread of described winding coil and line tail arrange connecting portion, and described connecting portion is connected with cable pigtail, described company
Socket part surface arranges insulating barrier.
2. high-speed brushless motor stator according to claim 1 it is characterised in that described connecting portion pass through welding manner with
Described cable pigtail is fixedly connected.
3. high-speed brushless motor stator according to claim 1 it is characterised in that described insulating barrier include heat-shrinkable T bush,
Fiber sleeve and/or epoxy resin coating.
4. high-speed brushless motor stator according to claim 1 is it is characterised in that described connecting portion is arranged at described stator
The first end face of iron core, arranges Polyurethane resins layer outside described first end face.
5. high-speed brushless motor stator according to claim 1 is it is characterised in that described cable pigtail is in described stator
Carry out on groove end face around forming cincture portion, described cincture portion is fixed on the end face of described stator core by fixture.
6. high-speed brushless motor stator according to claim 5 is it is characterised in that described cable pigtail passes through stator ferrum
Core inner is fixed in the second end face of described stator core by described cincture portion.
7. high-speed brushless motor stator according to claim 5 it is characterised in that described fixture be cotton thread, described cotton
Cincture portion is wound fixing by line with the connecting portion in first end face.
8. high-speed brushless motor stator according to claim 1 is it is characterised in that between the adjacent castellations of described stator slot
Setting lamellar slot wedge.
9. high-speed brushless motor stator according to claim 1 is it is characterised in that described cable pigtail includes being grounded
Line, described earth lead is arranged on motor housing by ground wire terminal.
10. high-speed brushless motor stator according to claim 1 is it is characterised in that two end faces of described stator core
On be provided with rotor insulation end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906598.5U CN205911844U (en) | 2016-08-19 | 2016-08-19 | High -speed brushless motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620906598.5U CN205911844U (en) | 2016-08-19 | 2016-08-19 | High -speed brushless motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911844U true CN205911844U (en) | 2017-01-25 |
Family
ID=57800799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620906598.5U Active CN205911844U (en) | 2016-08-19 | 2016-08-19 | High -speed brushless motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276281A (en) * | 2017-07-25 | 2017-10-20 | 嵊州市米卢电气科技有限公司 | A kind of multispeed electric machine wiring fixed form |
| CN107846090A (en) * | 2017-12-26 | 2018-03-27 | 宁波菲仕电机技术有限公司 | A kind of oil immersed type motor stator structure and its manufacture method |
-
2016
- 2016-08-19 CN CN201620906598.5U patent/CN205911844U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276281A (en) * | 2017-07-25 | 2017-10-20 | 嵊州市米卢电气科技有限公司 | A kind of multispeed electric machine wiring fixed form |
| CN107846090A (en) * | 2017-12-26 | 2018-03-27 | 宁波菲仕电机技术有限公司 | A kind of oil immersed type motor stator structure and its manufacture method |
| CN107846090B (en) * | 2017-12-26 | 2023-08-08 | 宁波菲仕技术股份有限公司 | Oil immersed motor stator structure and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |