CN210183121U - Stator plastic-coated structure, stator assembly, motor and air conditioner - Google Patents
Stator plastic-coated structure, stator assembly, motor and air conditioner Download PDFInfo
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- CN210183121U CN210183121U CN201921041355.XU CN201921041355U CN210183121U CN 210183121 U CN210183121 U CN 210183121U CN 201921041355 U CN201921041355 U CN 201921041355U CN 210183121 U CN210183121 U CN 210183121U
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Abstract
The utility model relates to a structure is moulded to stator package, stator module, motor and air conditioner belongs to the motor technology field, and this structure is moulded to stator package includes insulating barrier, is used for wrapping up in the package of the stator slot cell wall that covers stator core and moulds the cell wall and be used for wrapping up in the package that covers stator core tip surface and mould the end wall, and the both ends that the cell wall was moulded to the package all are equipped with the package and mould the end wall, and insulating barrier locates on the package mould the end wall and mould the outer lane that the end wall separates for the inner circle of winding A winding coil and be used for winding B winding coil with the package. By adopting the structure, when the insulation partition board is used, A, B winding coils which are radially stacked are separated and insulated, the situation that the A, B winding coils cannot be contacted and conducted is prevented, the plastic-coated groove wall and the plastic-coated end wall can completely avoid direct contact of A, B winding coils and a stator core, good insulation can be kept between the A, B winding coils, good insulation can be kept between the A, B winding coils and the stator core, and the insulation reliability is higher.
Description
Technical Field
The utility model belongs to the technical field of the motor, in particular to structure, stator module, motor and air conditioner are moulded to stator package.
Background
As a component of the electric machine, a stator, which is mainly composed of a core and a winding coil wound thereon, plays a very large role. In order to obtain better performance, as shown in fig. 4, a stator assembly in the prior art is usually formed by arranging two layers of coils, namely a B-winding coil 15 and an a-winding coil 16, on a stator core 2 along a radial direction of the stator core, wherein the two layers of coils are insulated from the stator core 2, and are wound by using enameled wires. By means of the performance of the enameled wire, the purpose of insulation can be achieved between the two layers of coils. However, if a layer of insulating varnish on the outer surface of the enameled wire is worn or falls off, the insulating effect is lost, and thus, the internal insulation reliability of the conventional motor stator is low.
In order to achieve the purpose of one hundred percent insulation between a winding coil and an iron core, a plastic-coated structure is attached to the end surface of the iron core and the wall of a stator slot in the prior art, the plastic-coated structure is used for completely insulating and separating the iron core and the winding coil, but A, B winding coils are stacked in the radial direction and are not insulated from each other, so that the potential safety hazard is still not small.
SUMMERY OF THE UTILITY MODEL
The utility model provides a structure is moulded to stator package for solve among the prior art on the stator core package mould the structure can not separate the insulating technical problem who so has the potential safety hazard of radial range upon range of A, B winding coil.
The utility model discloses a following technical scheme realizes: the utility model provides a structure is moulded to stator package, includes insulating barrier, is used for wrapping up in the package of the stator slot cell wall that covers stator core and moulds the cell wall and be used for wrapping up in the package that covers stator core tip surface and mould the end wall, the both ends that the cell wall was moulded to the package all are equipped with the end wall is moulded to the package, insulating barrier locates on the package mould the end wall and will the package is moulded the end wall and is separated the inner circle that is used for twining A winding coil and is used for twining the outer lane of B winding coil.
Further, for better realization the utility model discloses, the inner circle have with the endocentric centre bore of stator core hole, centre bore hole edge be equipped with the stator core hole is coaxial and towards keeping away from the inner ring of package plastic groove wall one side, the inner ring with form the A line groove of crossing of winding A winding coil between the insulating barrier.
Further, for better realization the utility model discloses, the outer lane is kept away from insulating barrier's position still is equipped with the guard plate, the guard plate with form the B wire casing of twining B winding coil between the insulating barrier.
Further, for better realizing the utility model discloses, be equipped with on the outer rampart of inner ring towards keeping away from the bellied strengthening rib of this inner ring axis direction.
Further, in order to realize better the utility model discloses, the strengthening rib with all be equipped with the jack that is used for the electrically conductive needle of cartridge on the insulating barrier.
Further, in order to realize better the utility model discloses, insulating barrier's quantity is the multi-disc, the multi-disc insulating barrier with the axis circumference array distribution of inner ring, one of them a slice be equipped with the draw-in groove that is used for installing temperature protector on the insulating barrier.
Further, in order to better realize the utility model discloses, the draw-in groove with A cross the wire casing with B crosses the wire casing and all communicates.
Further, in order to realize better the utility model discloses, every insulating barrier with all be equipped with the gusset between the package is moulded the end wall.
Further, for better realizing the utility model discloses, the quantity of strengthening rib be many and the length direction of this strengthening rib with inner ring axial syntropy, many the strengthening rib equipartition in on the outer rampart of inner ring, one or many be equipped with on the strengthening rib the jack, on the inner rampart of inner ring with the position that the strengthening rib corresponds is equipped with the location and lacks.
The utility model also provides a stator module for A, B winding coil insulation reliability is not high and the inside inconvenient technical problem who installs the temperature protector in the stator module among the solution prior art.
The utility model discloses a following technical scheme realizes: the utility model provides a stator module, includes stator core, B winding coil, A winding coil, conductive needle, temperature protector and above-mentioned stator package and moulds the structure, the stator package mould the structure through mould plastics wrap up in outside the stator core, the quantity of jack is a plurality of and wherein a plurality of the jack is pegged graft and is had on the conductive needle, B winding coil with A winding coil twine respectively in B crosses the wire casing with A crosses the wire casing in, and B winding coil with the end of a winding coil rigid coupling respectively in the difference conductive needle, temperature protector installs in the draw-in groove and with B winding coil and A winding coil all contacts.
The utility model also provides a motor for solve prior art motor because the insulation is not good between the inside winding coil of stator and between winding coil and the stator core and have the technical problem of potential safety hazard.
The utility model discloses a following technical scheme realizes: an electric machine comprises the stator assembly.
The utility model also provides an air conditioner, this air conditioner includes above-mentioned motor.
The utility model discloses compare in prior art and have following beneficial effect:
(1) the utility model provides a structure is moulded to stator package, mould cell wall and package including the package and mould the end wall, the package is moulded the stator inslot wall that the cell wall parcel was lived to stator core, the end wall parcel stator core tip is moulded to the package, the package is moulded cell wall both ends and is equipped with the package and mould the cell wall, so can form the all-round parcel iron core to stator core, mould the end wall and be equipped with insulating barrier on the package, and this insulating barrier moulds the end wall with the package and is used for twining the inner circle of A winding coil and is used for twining the outer lane of B winding coil, through this structure, insulating barrier separates the insulation in the A, B winding coil of radial cascade, thereby prevent that contact between the A, B winding coil is electrically conductive, and the setting of package and the end wall is moulded to the package, can avoid A, B winding coil and stator core's direct contact completely, and then make A, B, good insulation is kept between the A, B winding coil and the stator core, and the insulation reliability is higher;
(2) the utility model provides a stator module, adopt above-mentioned stator package to mould structure parcel stator core, A, B winding coil twines respectively in corresponding position and separates through insulating barrier and can not contact electrically conductively at will, and the stator package moulds the structure and can avoid A, B winding coil direct and stator core contact, therefore the insulating effect of this stator module inside is better, and the security performance is higher, and the temperature protector installs in the draw-in groove on insulating barrier and pastes with A, B winding coil homogeneous phase, so as to play the effect of preventing A, B winding coil temperature from being too high, and can improve stator winding's structural compactness;
(3) the utility model also provides an electron adopts above-mentioned stator module, so it has the higher advantage of security performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a stator assembly in the present invention;
FIG. 2 is a schematic illustration of the structure of FIG. 1 without the B-winding coil, the A-winding coil, the conductive pin, and the temperature protector;
FIG. 3 is a top view of the structure shown in FIG. 2;
FIG. 4 is a schematic view of a prior art stator assembly;
fig. 5 is a schematic structural diagram of a stator plastic-coated structure in the present invention;
fig. 6 is a schematic structural diagram of a stator core according to the present invention.
In the figure:
1-an insulating spacer; 2-a stator core; 21-stator slots; 3-wrapping the plastic groove wall; 4-plastic-coated end walls; 5-inner ring; 51-a positioning defect; 6-A wire through groove; 7-protection plate; 8-B wire passing grooves; 9-reinforcing ribs; 10-a conductive pin; 11-a jack; 12-a temperature protector; 13-a card slot; 14-rib plate; 15-B winding coils; a 16-a winding coil.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1:
the embodiment provides a stator package structure of moulding, including insulating barrier 1, be used for wrapping up in the package of the stator slot 21 cell wall of stator core 2 and mould the cell wall 3 and be used for wrapping up in the package of the stator core 2 tip surface and mould end wall 4, the end wall 4 is moulded to the package and the package is moulded the cell wall 3 and all is plastics (preferably high temperature resistant plastics) and is made, has good insulating and high temperature resistance. The insulating partition board 1 is also a structural member made of plastic (high temperature resistant plastic), and the insulating partition board 1 is provided on the plastic-coated end wall 4 and divides the plastic-coated end wall 4 into an inner ring for winding the a-winding coil 16 and an outer ring for winding the B-winding coil 15.
When this stator package is moulded the structure and is used, the package is moulded end wall 4 parcel and is lived 2 tip surfaces of stator core, package is moulded cell wall 3 parcel and is attached at stator slot 21 cell wall surface, when inner circle winding A winding coil 16 and outer lane winding B winding coil 15, A, B winding coil can not direct and stator core 2 direct contact owing to the package moulds the isolation of end wall 4 and package plastics cell wall 3, like this alright keep good insulating between A, B winding coil and the stator core 2, and insulating barrier 1's isolation alright separate A, B winding coil completely, so that keep good insulating between the A, B winding coil, therefore, the utility model provides a stator package is moulded the structure insulation reliability height.
It should be noted that the insulating partition board 1 or the plastic-coated end wall 4 in this embodiment implicitly includes a structure for winding A, B the coil ends of the winding coil.
Example 2:
this embodiment is a modified embodiment of embodiment 1, in which the inner ring in this embodiment has a central hole concentric with the inner hole of the stator core 2, and the hole edge of the central hole is provided with an inner ring 5 aligned with the inner hole of the stator core 2, and the inner ring 5 is a straight pipe structure and faces to the side away from the plastic-coated groove wall 3. At this time, an annular groove is formed between the inner ring 5 and the insulating partition 1, and the annular groove is the a-line groove 6 for winding the a-winding coil 16. It should be noted that the a-pass slot 6 is not an inner slot for actually winding the a-winding coil 16, and in actual use, since the plastic-coated slot wall 3 is coated on the slot wall of the stator slot 21 and the plastic-coated end wall 4 is coated on the end surface of the stator core 2, an inner slot body with the same shape and a small size as the inner slot of the stator slot 21 is still left, the a-winding coil 16 is wound in the inner slot body by machine, and the a-pass slot 6 is actually an area indicating slot in which a plurality of a-winding coils 16 are distributed.
Adopt this structure, insulating barrier 1 and inner ring 5's effect can be so that A winding coil 16 can twine in the position that corresponds more accurately and can not spread all around towards to inner ring 5 is the structure that is made by insulating material also, and it not only plays the radial positioning limiting displacement to A winding coil 16, but also plays the effect that separates A winding coil 16 and 2 holes of above-mentioned stator core and each device in the centre bore, so as to insulate A winding coil 16 and each downthehole device, thereby further improve the utility model discloses insulating reliability during the use. In this embodiment, all the plastic-coated structures attached to the wall of the stator slot 21 are plastic-coated slot walls 3, and all the plastic-coated structures attached to the surface of the end of the stator core 2 are plastic-coated end walls 4.
As a more preferable embodiment of this embodiment, the outer annular wall of the inner ring 5 in this embodiment is provided with a rib 9 protruding away from the central axis thereof, and the rib 9 can increase the mechanical strength of the inner ring 5. The end part of the reinforcing rib 9 is connected on the plastic-coated end wall 4
As a best mode of the present embodiment, the number of the reinforcing ribs 9 is plural, the length direction of the plural reinforcing ribs is the same as the axial direction of the inner ring 5, the plural reinforcing ribs 9 are uniformly distributed on the outer annular wall of the inner ring 5, a positioning notch 51 is provided at a position corresponding to the reinforcing ribs 9 on the inner annular wall of the inner ring 5, the positioning notch 51 is actually an arc-shaped through groove, the positioning notch 51 axially penetrates through the inner annular wall of the whole inner ring 5, and the positioning notch 51 can assist in installation and positioning.
Example 3:
in this embodiment, as a modified embodiment of embodiment 1, in this embodiment, a protection plate 7 is further disposed at a position of the outer ring away from the insulating partition board 1, and the protection plate 7 faces one direction with the insulating partition board 1. At this time, an annular groove is also formed between the shielding plate 7 and the insulating partition plate 1, and the annular groove is the B-winding groove 8 for winding the B-winding coil 15. It should be noted that the B-passing slot 8 is not an outer slot for actually winding the B-winding coil 15, and in actual use, since the plastic-coated slot wall 3 is coated on the slot wall of the stator slot 21 and the plastic-coated end wall 4 is coated on the end surface of the stator core 2, in this case, an outer slot body with the same shape and a small size difference as the outer slot of the stator slot 21 is still left, the B-winding coil 15 is wound in the outer slot body by machine winding, and the B-passing slot 8 is actually an area indication slot in which a plurality of B-winding coils 15 are distributed.
Adopt this kind of structure, insulating barrier 1 and guard plate 7's effect can be so that B winding coil 15 can twine in the position that corresponds more accurately and can not spread all around towards to guard plate 7 is the structure of also making by insulating material, and it not only plays the radial positioning limiting displacement to B winding coil 15, but also plays the effect that separates B winding coil 15 and stator module outer space, plays the protection insulation effect with the outward flange to B winding coil 15, thereby further improves the utility model discloses insulating reliability during the use.
Example 4:
in this embodiment, the reinforcing ribs 9 and the insulating partition board 1 are respectively provided with insertion holes 11 for inserting conductive pins 10, and the conductive pins 10 are the structures for winding A, B winding coil ends as described in embodiment 1.
Specifically, the number of the insulating partition plates 1 is multiple, and the multiple insulating partition plates 1 are distributed in a circumferential array around the central axis of the inner ring 5, wherein one or more of the insulating partition plates are provided with the insertion holes 11; the above-mentioned insertion holes 11 are also provided in one or more of the plurality of reinforcing ribs 9. The number and positions of the insulating spacers 1 and the number and positions of the reinforcing ribs 9, at which the insertion holes 11 are provided, may be set as the case may be.
With the structure, the conductive pin 10 can fix and conduct electricity to A, B winding coil ends, and is arranged on the insulating partition board 1 or the reinforcing ribs 9, so that the structure is compact.
Example 5:
the present embodiment is further improved on the basis of the above-mentioned embodiment, in this embodiment, a card slot 13 is provided on one of the insulating partition boards 1, and the card slot 13 is used for clamping the temperature protector 12, so as to monitor the temperature of the A, B winding coil and prevent the two from being damaged due to too high temperature. Since the structure, principle and use of the temperature protector 12 are well known in the art, detailed description thereof is omitted here.
In order to achieve the best detection and monitoring effect, the card slot 13 in this embodiment is conducted to both the a-slot 6 and the B-slot 8, and the temperature protector 12 mounted thereon can be in direct contact with the surface of the A, B winding coil.
Example 6:
the embodiment provides a stator module, including stator core 2, B winding coil 15, A winding coil 16, conducting pin 10, temperature protector 12 and the structure is moulded to the above-mentioned stator package, the structure is moulded to the package of stator package mould the cell wall 3 in the attached stator slot 21 cell wall of stator core 2 of parcel through high temperature injection moulding, the stator package moulds the end wall 4 and moulds the attached tip surface in stator core 2 of parcel through high temperature injection moulding in the structure, form the parcel to stator core 2 surface like this and cover, B winding coil 15 and A winding coil 16 twine respectively in the above-mentioned B crosses line groove 8 and A and separates and insulate through insulating barrier 1, and the stator package moulds the structure and separates and insulate A, B winding coil and stator core 2, can use the stator module internal insulation reliability that this embodiment provided higher like this.
The number of the jacks 11 is several, a plurality of the jacks 11 are inserted with conductive pins 10, and the ends of the winding B coil 15 and the winding a coil 16 are respectively and fixedly connected to different conductive pins 10. Above-mentioned temperature protector 12 installs in draw-in groove 13 and all contacts with B winding coil 15 and A winding coil 16, like this, can make the utility model discloses an installation of conductive pin 10 and the installation of temperature protector 12 are more convenient, and whole stator module structure is compacter to can real time monitoring A, B winding coil's temperature and carry out power-off protection when the temperature reachs to rise to a certain extent.
Example 7:
this embodiment provides a motor, adopts the stator module in embodiment 6, so this motor has the higher and longer advantage of life of factor of safety.
Example 8:
the plastic-coated groove wall 3, the plastic-coated end wall 4, the inner ring 5, the protection plate 7, the reinforcing rib 9 and the rib plate 14 on the stator plastic-coated structure in the embodiment are integrally formed through injection molding. Of course, the stator plastic-coated structure formed by the parts can also be made into a framework form.
Example 9:
this embodiment provides an air conditioner, and this air conditioner includes the motor of embodiment 7, adopts this structure, and the air conditioner that provides in this embodiment is compared with current air conditioner, because the stator module internal insulation effect of motor is better, so life is longer.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. The utility model provides a structure is moulded to stator package which characterized in that: including insulating barrier, be used for wrapping up in the package of the stator slot cell wall that covers stator core and mould the cell wall and be used for wrapping up in the package that covers stator core tip surface and mould the end wall, the both ends that the cell wall was moulded to the package all are equipped with the end wall is moulded to the package, insulating barrier locates on the end wall is moulded to the package and will the end wall is moulded to the package and is separated the inner circle that is used for winding A winding coil and is used for winding the outer lane of B winding coil.
2. The stator plastic-coated structure according to claim 1, wherein: the inner circle have with the concentric centre bore of stator core hole, centre bore hole edge be equipped with the stator core hole is coaxial and towards keeping away from the inner ring of package plastic tank wall one side, the inner ring with form the A line groove of crossing of winding A winding coil between the insulating barrier.
3. The stator plastic-coated structure according to claim 2, wherein: and a protection plate is further arranged at the position, far away from the insulation partition plate, of the outer ring, and a B wire passing groove for winding a B winding coil is formed between the protection plate and the insulation partition plate.
4. The stator plastic-coated structure according to claim 3, wherein: and the outer ring wall of the inner ring is provided with a reinforcing rib protruding towards the direction far away from the central axis of the inner ring.
5. The stator plastic-coated structure according to claim 4, wherein: the reinforcing ribs and the insulating partition plates are provided with jacks for inserting the conductive pins.
6. The stator plastic-coated structure according to claim 5, wherein: the number of the insulating partition plates is multiple, the multiple insulating partition plates are distributed in a circumferential array mode through the central axis of the inner ring, and a clamping groove used for mounting a temperature protector is formed in one insulating partition plate.
7. The stator plastic-coated structure according to claim 6, wherein: the clamping groove is communicated with the line passing groove A and the line passing groove B.
8. The stator plastic-coated structure according to claim 7, wherein: and rib plates are arranged between each insulating partition plate and the plastic-coated end wall.
9. The stator plastic-coated structure according to claim 7, wherein: the number of the reinforcing ribs is multiple, the length direction of the reinforcing ribs is in the same direction as the axial direction of the inner ring, the reinforcing ribs are uniformly distributed on the outer ring wall of the inner ring, the jacks are arranged on one or more reinforcing ribs, and positioning notches are arranged at positions, corresponding to the reinforcing ribs, on the inner ring wall of the inner ring.
10. A stator assembly, characterized by: the stator plastic-coated structure comprises a stator core, a B winding coil, an A winding coil, a conductive needle, a temperature protector and the stator plastic-coated structure as claimed in any one of claims 7 to 9, wherein the stator plastic-coated structure is wrapped outside the stator core through injection molding, the number of the jacks is a plurality of, and the jacks are inserted into the conductive needles, the B winding coil and the A winding coil are respectively wound in the B wire passing groove and the A wire passing groove, the wire ends of the B winding coil and the A winding coil are respectively and fixedly connected to different conductive needles, and the temperature protector is installed in the clamping groove and is in contact with the B winding coil and the A winding coil.
11. An electric machine characterized by: a stator assembly comprising the stator assembly of claim 10.
12. An air conditioner, characterized in that: comprising the electrical machine of claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921041355.XU CN210183121U (en) | 2019-07-04 | 2019-07-04 | Stator plastic-coated structure, stator assembly, motor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921041355.XU CN210183121U (en) | 2019-07-04 | 2019-07-04 | Stator plastic-coated structure, stator assembly, motor and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210183121U true CN210183121U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921041355.XU Active CN210183121U (en) | 2019-07-04 | 2019-07-04 | Stator plastic-coated structure, stator assembly, motor and air conditioner |
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| CN (1) | CN210183121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311496A (en) * | 2019-07-04 | 2019-10-08 | 珠海凯邦电机制造有限公司 | A kind of plastic structure of stator, stator module, motor and air-conditioning |
-
2019
- 2019-07-04 CN CN201921041355.XU patent/CN210183121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110311496A (en) * | 2019-07-04 | 2019-10-08 | 珠海凯邦电机制造有限公司 | A kind of plastic structure of stator, stator module, motor and air-conditioning |
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