CN203504316U - Motor - Google Patents
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- CN203504316U CN203504316U CN201320654307.4U CN201320654307U CN203504316U CN 203504316 U CN203504316 U CN 203504316U CN 201320654307 U CN201320654307 U CN 201320654307U CN 203504316 U CN203504316 U CN 203504316U
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- Prior art keywords
- tooth
- stator
- winding
- stator tooth
- motor according
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- 238000004804 winding Methods 0.000 claims abstract description 51
- 230000001154 acute Effects 0.000 claims description 12
- 210000002421 Cell Wall Anatomy 0.000 claims description 6
- 230000001429 stepping Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000003781 Tooth Socket Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 206010058109 Hangnail Diseases 0.000 description 1
- 210000004746 Tooth Root Anatomy 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Abstract
The utility model provides a motor comprising a stator having stator teeth, tooth sleeves sleeved at peripheries of the stator teeth, and windings winding around the peripheries of the stator teeth. According to the motor, because the tooth sleeves are sleeved at the peripheries of the stator teeth and the windings wind around the peripheries of the stator teeth, there is no need to reserve the winding nozzle space, thereby saving the tooth groove space; more windings can be wound in tooth grooves, thereby increasing the winding areas; and the groove filling rate of the stator can be improved and the motor efficiency can also be enhanced.
Description
Technical field
The utility model relates to technical field of motors, especially, relates to a kind of motor.
Background technology
Stator core in existing motor all has pole shoe conventionally, the front end projection that pole shoe is stator tooth.Utilize pole shoe, can stop that the conductor in stator teeth groove skids off.
Yet along with the development of motor technology, the magnetic Circuit Design of New-type electric machines such as switched reluctance machines, flux switching motor and magnetic suspension motor need to be without the structure of pole shoe.At present, as shown in Figure 1, for without pole shoe stator, conventionally directly winding 1 is wound into the periphery of stator tooth 2, spacing owing to not having pole shoe to carry out winding, winding area can not be excessive, and must be trapezoidal and can guarantee that winding 1 can landing outside groove.And coiling nozzle headspace 3 has directly taken space in groove, therefore, in groove, all winding areas are too small, cause copper factor too low.
In addition, adopt the stator of above-mentioned winding mode, need in the teeth groove between stator tooth 2, slot insulating paper 4 be set, slot insulating paper 4 need to be designed to the shape that the shape with teeth groove matches on the one hand, another aspect needs special program to carry out plug-in mounting, can cause the efficiency of assembling of motor and the reduction of operating efficiency.
Utility model content
The utility model object is to provide a kind of motor, low to solve the existing motor copper factor without pole shoe structure, the technical problem that electric efficiency declines.
For achieving the above object, the utility model provides a kind of motor, comprising: stator, has stator tooth; Tooth cover, is set in the periphery of stator tooth; Winding, is wrapped in the periphery that tooth overlaps.
Further, the sidewall of stator tooth is provided with stopper slot; The inwall of tooth cover is provided with the stopper protrusion coordinating with stopper slot.
Further, the ratio of the degree of depth of each stopper slot and the width of stator tooth is 0.125 to 0.2.
Further, stopper slot is acute angle groove, and the external part of stator tooth is pointed on the top of acute angle groove.
Further, the first angle of the first cell wall of the external part of the close stator tooth of acute angle groove and the sidewall of stator tooth is 90 ° to 135 °; The second angle of the second cell wall of the external part away from stator tooth of acute angle groove and the sidewall of stator tooth is 135 ° to 150 °.
Further, tooth cover is positioned at the part of external part of stator tooth and the both sides of the axially parallel of stator and is provided with the winding stop part stretching out to the outside of tooth cover.
Further, two winding stop parts that are arranged in belonging to respectively of same teeth groove of different tooth cover cooperatively interact with by the winding shutoff that is positioned at teeth groove at this teeth groove.
Further, tooth cover is positioned at the part of root of stator tooth and the one or both sides of the axially parallel of stator are provided with the insulating barrier location division of stretching out along the circumferencial direction of stator, and between insulating barrier location division and the diapire of teeth groove, clamping has insulating barrier.
Further, the side that the external part of insulating barrier location division is relative with the diapire of teeth groove is provided with the insulating barrier breach of stepping down.
Further, one end of tooth cover was provided with line portion, crossed in line portion and was provided with crossed beam trunking, and the external part of winding is through crossed beam trunking.
Further, the quantity of crossed beam trunking is a plurality of, and the degree of depth of each crossed beam trunking is different.
Further, the root of crossed beam trunking is formed with the card line tooth protruding to the inside of crossed beam trunking, between card line tooth and the bottom land of crossed beam trunking, forms winding location hole.
The utlity model has following beneficial effect:
The utility model provides a kind of motor, comprising: stator, has stator tooth; Tooth cover, is set in the periphery of stator tooth; Winding, is wrapped in the periphery that tooth overlaps.The motor that the utility model provides, at the sheathed tooth cover of periphery of stator tooth, and is wound around winding in the periphery of tooth cover, without reserved coiling nozzle space, saved tooth socket space, can in teeth groove, be wound around more winding, increase winding area, improve the copper factor of stator, improve the efficiency of motor.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is without the cross-sectional view of winding in the teeth groove of the stator of the motor of pole shoe structure in prior art;
Fig. 2 is the tooth cover and stator assembling structure schematic diagram of the utility model preferred embodiment;
Fig. 3 is the tooth sleeve geodesic structure schematic diagram of the utility model preferred embodiment;
Fig. 4 is that the tooth of the utility model preferred embodiment overlaps main TV structure schematic diagram;
Fig. 5 is the winding of the utility model preferred embodiment cross-sectional view in teeth groove;
Fig. 6 is the stopper slot structural representation of the stator tooth of the utility model preferred embodiment; And
Fig. 7 is the tooth cover plan structure schematic diagram of the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figures 2 to 4, the utility model provides a kind of motor, and this motor comprises: stator 10, has stator tooth 11; Tooth overlaps 30, is set in the periphery of stator tooth 11; Winding 50, is wrapped in the periphery of tooth cover 30.The motor that the utility model provides, the sheathed tooth cover 30 of periphery at stator tooth 11, then winding 50 is wrapped in to the periphery of tooth cover 30, has saved the shared tooth socket space of coiling nozzle in prior art, as can be seen from Figure 5, utilize tooth cover 11, can increase the area of the winding 50 of teeth groove 12 interior windings, improve copper factor, known by calculating, with respect to prior art, the area change of winding 50 in teeth groove 12 nearly 15%.And, utilize tooth cover 30, can before being installed on stator tooth 11, tooth cover 30 just winding 50 be wound into the periphery of tooth cover 30, with respect to the winding mode that is directly wound into stator tooth periphery in prior art, compare, the motor that the utility model provides, can adopt outside independent spooling equipment to wind the line, the sectional area shape of winding 50 can be carried out shaping according to the shape of teeth groove 12, dipping lacquer solidifies, to reach suitable shape, drop into simply, freely, winding can compact regularly arranged coiling stroke, threading speed can improve, and enhances productivity.
In order to improve the connection reliability between tooth cover 30 and stator tooth 11, prevent that tooth cover 30 from coming off from stator tooth 11, the sidewall of stator tooth 11 is provided with stopper slot 11a, and the inwall of tooth cover 30 is provided with the stopper protrusion 31 coordinating with stopper slot 11a.Stopper slot 11a coordinates with the mutual clamping of stopper protrusion 31, prevents that tooth cover 30 from coming off.The shape of stopper slot 11a and stopper protrusion 31 can have any shape, and can select according to being convenient to processing and the strong angle of reliability.In the utility model, take V-shaped groove as example, but fluting shape is including but not limited to v-depression, can also comprise semi-circular groove etc.
As shown in Figure 6, in order to improve being connected between stopper slot 11a and stopper protrusion 31, prevent that stopper protrusion 31 is from slippage in stopper slot 11a, stopper slot 11a is for pointing to the acute angle groove of the external part of stator tooth 11.The form of the similar barb of acute angle groove of this form, is conducive to stopper protrusion 31 and enters stopper slot 11a, is conducive to again stop stopper protrusion 31 to skid off stopper slot 11a simultaneously.
For guaranteeing the rear secure fit of assembling and motor magnetic circuit not caused to excessive interference, the first included angle A 1 of the first cell wall 11b of the external part of the close stator tooth 11 of acute angle groove and the sidewall of stator tooth 11 is 90 ° to 135 °, and the second included angle A 2 of the second cell wall 11c of the external part away from stator tooth 11 of acute angle groove and the sidewall of stator tooth 11 is 135 ° to 150 °.And the depth B c of stopper slot 11a is 0.125 to 0.2 with the ratio of the width B s of stator tooth 11, select different tooth covers 30, its tooth overlaps 30 intensity differences, for avoiding that magnetic circuit is produced to larger impact, is meeting under the condition of intensity, and ratio should take off limit value.For large-size machine, while needing higher bonding strength, the number of stopper slot 11a can be for one or more, the uniform or non-side that is distributed on stator tooth 11.
In addition, the inwall distance of tooth cover 30 is not in the situation that being subject to external force, and its width should be slightly less than the width of stator tooth 11, to guarantee that tooth cover 30 is with stator tooth 11 interference fit.Like this, even work under higher temperatures rises, there is deformation in tooth cover 30, and its deformation quantity is the use level with stopper slot 11a much smaller than stopper protrusion 31 also, and therefore, reliability promotes.And interference fit is avoided having gap between tooth cover 30 and stator tooth 11, avoid winding 50 in motor operation course to vibrate at stator tooth 11.
The two sides thickness of tooth cover 30 is as far as possible thin processing range planted agent, preferred 0.3mm to 0.5mm, and both ends of the surface thickness can be thicker, gets 1.5mm to 3mm.
When tooth cover 30 is when being subject to pointing to the external force of stator tooth 11 roots, tooth cover 30 can be nested on stator tooth 11, continues to apply external force, and tooth cover 30 continues to move forward, when the spacing preiection 31 of the inwall of tooth cover 30 agrees with the stopper slot 11a of stator tooth 11 both sides, tooth cover 30 is in place.
Again as shown in Figure 3 and Figure 4, in order to prevent that winding 50 is from the interior landing of teeth groove 12, the part of external part and the both sides of the axially parallel of stator 10 that tooth cover 30 is positioned at stator tooth 11 are provided with the winding stop part 33 stretching out to the outside of tooth cover 30.And two winding stop parts 33 that are positioned at belonging to respectively of same teeth groove 12 of different tooth cover 30 cooperatively interact with shutoff teeth groove 12.
Tooth cover 30 has winding stop part 33, makes the notch of teeth groove 12 approach sealing.Winding 50 can not skid off in groove, and fail safe is good.Tooth cover 30 has winding stop part 33, this winding stop part 33 runs through whole tooth cover 30, the size of winding stop part 33 can design according to width of rebate, for guaranteeing that groove inner wire does not skid off in groove, its width design value maximum can be according to following principle: after adjacent tooth cover 30 is arranged on stator tooth 11, its notch is closed substantially.
Tooth cover 30 part of root and the one or both sides of the axially parallel of stator 10 that are positioned at stator tooth 11 are provided with the insulating barrier location division 35 of stretching out along the circumferencial direction of stator, and between insulating barrier location division 35 and the diapire of teeth groove 12, clamping has insulating barrier 40.Insulating barrier 40 can be clamped between insulating barrier location division 35 and the bottom land wall of teeth groove 12.
When winding stop part 33 sizes of tooth cover 30 are less, or while not adopting, can design insulating barrier location division 35, the insulating barrier location division 35 of adjacent teeth cover 30 can be spliced completely, thereby reduces the operation of wiping separately insulating barrier (slot liner) 40.The structure that contains insulating barrier location division 35 due to 30 designs of tooth cover, after adjacent tooth cover 30 installs, the insulating barrier location division 35 of its adjacent teeth cover 30 can with insulating barrier 40 joining completely, saved the operation of plug-in mounting insulating barrier (slot liner) 40.
It should be noted that; the bottom land width of teeth groove 12 is greater than width of rebate conventionally; therefore; when needs design winding stop part 33 protector inner wire; for avoiding interfering; the structure size of insulating barrier location division 35 can be limited, and its size should be in the projection of winding stop part 33, can in assembling process, not interfere guaranteeing.
Place for convenience insulating barrier (as polyester film) 40, side that can be relative with the diapire of teeth groove 12 at the external part of insulating barrier location division 35 arranges the insulating barrier breach 35a that steps down, and insulating barrier 40 is inserted into insulating barrier and steps down in breach 35a.
As shown in Figure 3 and Figure 7, in order to prevent interfering between each wire external part of winding 50, one end of tooth cover 30 was provided with line portion 37, crossed in line portion 37 and was provided with crossed beam trunking 37a, and the external part of winding 50 is through crossed beam trunking 37a.
On each tooth cover 30, the quantity of crossed beam trunking 37a is a plurality of, and its groove depth differs, and can, so that the lead-in wire of different phase windings is in different planes, avoid intersecting.
The root of crossed beam trunking 37a is formed with the card line tooth 37b protruding to the inside of crossed beam trunking 37a, between card line tooth 37b and the bottom land of crossed beam trunking 37a, forms winding location hole.
After assembling completes, the conductor of the formation winding 50 on each tooth cover 30 was pressed in the crossed beam trunking 37a of line portion 37, and guarantee that wire is pressed into position below card line tooth 37b, the hangnail structure of card line tooth 37b can prevent from going between and skidding off in wiring, operation handling process.Crossing line portion 37 can be tabular line plate excessively, and this thickness of crossing line plate is 1.5mm to 2.5mm.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (12)
1. a motor, is characterized in that, comprising:
Stator (10), has stator tooth (11);
Tooth cover (30), is set in the periphery of described stator tooth (11);
Winding (50), is wrapped in the periphery of described tooth cover (30).
2. motor according to claim 1, is characterized in that,
The sidewall of described stator tooth (11) is provided with stopper slot (11a);
The inwall of described tooth cover (30) is provided with the stopper protrusion (31) coordinating with described stopper slot (11a).
3. motor according to claim 2, is characterized in that,
The degree of depth (Bc) of described stopper slot (11a) is 0.125 to 0.2 with the ratio of the width (Bs) of described stator tooth (11).
4. motor according to claim 2, is characterized in that,
Described stopper slot (11a) is acute angle groove, and the external part of described stator tooth (11) is pointed on the top of described acute angle groove.
5. motor according to claim 4, is characterized in that,
First cell wall (11b) of the external part of the close described stator tooth (11) of described acute angle groove is 90 ° to 135 ° with first angle (A1) of the sidewall of described stator tooth (11);
Second cell wall (11c) of the external part away from described stator tooth (11) of described acute angle groove is 135 ° to 150 ° with second angle (A2) of the sidewall of described stator tooth (11).
6. motor according to claim 1, is characterized in that,
The part of external part and the both sides of the axially parallel of described stator (10) that described tooth cover (30) is positioned at described stator tooth (11) are provided with the winding stop part (33) stretching out to the outside of described tooth cover (30).
7. motor according to claim 6, is characterized in that,
Two the described winding stop parts (33) that are arranged in belonging to respectively of same teeth groove (12) of different described tooth cover (30) cooperatively interact with described winding (50) shutoff that will be positioned at described teeth groove (12) in this teeth groove (12).
8. motor according to claim 1, is characterized in that,
The part of root and the one or both sides of the axially parallel of described stator (10) that described tooth cover (30) is positioned at described stator tooth (11) are provided with the insulating barrier location division (35) of stretching out along the circumferencial direction of described stator, and between described insulating barrier location division (35) and the diapire of teeth groove (12), clamping has insulating barrier (40).
9. motor according to claim 8, is characterized in that,
The side that the external part of described insulating barrier location division (35) is relative with the diapire of described teeth groove (12) is provided with the insulating barrier breach (35a) of stepping down.
10. motor according to claim 1, is characterized in that,
One end of described tooth cover (30) was provided with line portion (37), and described mistake in line portion (37) is provided with crossed beam trunking (37a), and the external part of described winding (50) is through described crossed beam trunking (37a).
11. motors according to claim 10, is characterized in that,
The quantity of described crossed beam trunking (37a) is a plurality of, and the degree of depth of crossed beam trunking described in each (37a) is different.
12. according to the motor described in claim 10 or 11, it is characterized in that,
The root of described crossed beam trunking (37a) is formed with the card line tooth (37b) protruding to the inside of described crossed beam trunking (37a), between described card line tooth (37b) and the bottom land of described crossed beam trunking (37a), forms winding location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654307.4U CN203504316U (en) | 2013-10-22 | 2013-10-22 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320654307.4U CN203504316U (en) | 2013-10-22 | 2013-10-22 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504316U true CN203504316U (en) | 2014-03-26 |
Family
ID=50335261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320654307.4U Expired - Fee Related CN203504316U (en) | 2013-10-22 | 2013-10-22 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578471A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN108667165A (en) * | 2018-03-02 | 2018-10-16 | 安徽达来电机有限公司 | Motor |
| CN108988540A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of motor |
-
2013
- 2013-10-22 CN CN201320654307.4U patent/CN203504316U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578471A (en) * | 2013-10-22 | 2015-04-29 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN108667165A (en) * | 2018-03-02 | 2018-10-16 | 安徽达来电机有限公司 | Motor |
| CN108988540A (en) * | 2018-07-30 | 2018-12-11 | 安徽达来电机有限公司 | A kind of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20211022 |