CN202798401U - Salient pole magnetic pole of salient pole type synchronous motor and motor - Google Patents
Salient pole magnetic pole of salient pole type synchronous motor and motor Download PDFInfo
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- CN202798401U CN202798401U CN 201220442429 CN201220442429U CN202798401U CN 202798401 U CN202798401 U CN 202798401U CN 201220442429 CN201220442429 CN 201220442429 CN 201220442429 U CN201220442429 U CN 201220442429U CN 202798401 U CN202798401 U CN 202798401U
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- salient pole
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Abstract
The utility model discloses a salient pole magnetic pole of a salient pole type synchronous motor. The salient pole magnetic pole comprises a steel pole body with the cubic appearance and a plurality of pole shoes made of silicon steel sheets and with the same specification, wherein the pole body is fixedly connected with the pole shoes. The poles of the pole shoes in the salient pole magnetic pole are oblique, while the pole of the pole body is not oblique, and therefore a magnetic pole coil is not needed to be wound into a coil with an oblique inner cavity, the processing technique is ensured, and pole sleeving operation is simplified. Simultaneously, only one pair of die stamping silicon steel sheets is needed by the salient pole magnetic pole so that the quantity of needed dies and special devices is reduced, cost is reduced, the punched silicon steel sheets are identical in the specification, and error possibility is reduced. Therefore, by adopting the salient pole magnetic pole, the assembling process is simplified, error possibility in the assembling process is reduced, cost is reduced, and the salient pole type synchronous motor is applicable to large-batch production. A motor applicable to large-batch production is further provided.
Description
Technical field
The utility model relates to technical field of motors, more particularly, relates to a kind of magnet limbs of salient pole type synchronous motor, also relates to a kind of motor.
Background technology
Salient pole type synchronous motor is because non-uniform air-gap, and the slot ripples of motor is larger than non salient pole machine, and cogging torque and torque pulsation be corresponding increase also, causes the corresponding increase of loss that caused by harmonic wave, so the rotor of salient pole type synchronous motor adopts the setting of oblique utmost point method.The skewed-rotor method is divided into two kinds of the oblique utmost point of segmentation and the continuous oblique utmost points, and wherein the continuous oblique utmost point is applicable to salient pole type synchronous motor.
Conventional continuous oblique utmost point method is to adopt the silicon steel sheet of same specification to laminate by certain angle, or adopts the silicon steel sheet of different size to laminate vertically.
If adopt the former, need at first make the silicon steel sheet of the same specification of multi-disc, then silicon steel sheet is laminated to obtain magnet limbs by certain angle.In the magnet limbs that makes by this oblique utmost point method, pole body and pole shoe be the oblique utmost point together, so just require pole coil also to need to turn to the coil with corresponding oblique inner chamber, the technique for coiling of this pole coil is relatively poor, and follow-up pole line snare is extremely difficult, is not suitable for the production in enormous quantities of salient pole type synchronous motor.
If adopt the latter, then need at first to make the silicon steel sheet of multiple different size, and it is laminated vertically.When laminating, by the oblique polar angle degree certain size that misplaces successively, and pole body remains unchanged with the pole shoe of silicon steel sheet, and this has just guaranteed that pole body does not tilt after laminating.But this laminating method need to drop into the making that a lot of secondary punch dies or special equipment are finished the different size silicon steel sheet, and manufacturability is poor, is easy in the operating process make mistakes, and cost is higher, also is not suitable for large batch of production.
By the above, in existing salient pole type synchronous motor, be subjected to the impact of magnet limbs self structure, can't realize the production in enormous quantities of salient pole type synchronous motor, therefore, how a kind of magnet limbs is provided, to be applicable to the production in enormous quantities of salient pole type synchronous motor, becomes the technical problem that those skilled in the art need solution badly.
The utility model content
In view of this, the utility model provides a kind of magnet limbs of salient pole type synchronous motor, to realize the production in enormous quantities of salient pole type synchronous motor.The utility model also provides a kind of motor that can be suitable for producing in enormous quantities.
For achieving the above object, the utility model provides following technical scheme:
A kind of magnet limbs of salient pole type synchronous motor, magnet limbs comprise the pole body and the pole shoe with silicon steel sheet of polylith same size of the cuboid profile of a steel, and pole body and pole shoe are fixedly linked.
Preferably, in above-mentioned magnet limbs, be provided with location notch on one of pole body and pole shoe, be provided with the positioning boss that is complementary with location notch on another.
Preferably, in above-mentioned magnet limbs, be provided with location notch on the pole body, pole shoe is provided with the positioning boss that is complementary with location notch.
Preferably, in above-mentioned magnet limbs, the cross section of location notch and the cross section of positioning boss are and are rectangle.
Preferably, in above-mentioned magnet limbs, pole body and pole shoe are by being weldingly connected.
Preferably, in above-mentioned magnet limbs, link to each other with the pole shoe offside of an end of pole body is provided with a plurality of screwed holes.
The utility model provides a kind of magnet limbs, is used for salient pole type synchronous motor, comprises pole body and pole shoe, wherein, pole shoe is the pole body of the cuboid profile of a steel, and pole shoe is the pole shoe that polylith same size silicon steel plate stacking forms, and pole body and pole shoe are fixedly linked.
Laminating the magnet limbs made from the same specification silicon steel sheet of existing employing by certain angle compares, magnet limbs provided by the utility model only is that pole shoe partly is the oblique utmost point, and the not oblique utmost point of pole body part, like this, being set in pole coil on the pole body, not need coiling be the coil with oblique inner chamber, guarantee the processing technology of pole coil, also simplified the cover utmost point operation of pole coil.Compare and laminate vertically the magnet limbs made from the silicon steel sheet of existing employing different size, in magnet limbs provided by the utility model, only need to use a secondary punch die to make the silicon steel sheet that is used for forming the pole shoe part, reduce the quantity of required punch die and special equipment, reduced cost; Required rush the silicon steel sheet specification consistent, reduced the possibility of makeing mistakes.
By the above, by using magnet limbs provided by the utility model, simplified the assembling process of magnet limbs self or motor, reduced amiss chance in the assembling process, reduced cost, so that salient pole type synchronous motor is suitable for large batch of production.
The utility model also provides a kind of motor, has used above-mentioned magnet limbs in this motor, so that the needs that electric machine structure is suitable for producing in enormous quantities.
Preferably, in above-mentioned motor, magnet limbs is arranged on the rotor of motor.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of magnet limbs provided by the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation that is provided with the magnet limbs of location notch and positioning boss;
Fig. 4 is for adopting the structural representation of the magnet limbs that is welded to connect pole body and pole shoe;
Fig. 5 is the partial sectional view that is provided with the magnet limbs of screwed hole.
Among above Fig. 1-5:
Embodiment
The utility model embodiment discloses a kind of magnet limbs of salient pole type synchronous motor, to realize the production in enormous quantities of salient pole type synchronous motor.The utility model also provides a kind of motor that can be suitable for producing in enormous quantities.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the disclosed magnet limbs of the utility model embodiment comprises pole body 1 and pole shoe 2, and wherein, the profile of pole body 1 is cuboid, by a monoblock steel system; Pole shoe 2 is fixedly connected with between pole body 1 and the pole shoe 2 for the silicon steel sheet by the same specification of polylith combines.
Laminating the magnet limbs made from the same specification silicon steel sheet of existing employing by certain angle compares, the magnet limbs that the utility model embodiment provides is the oblique utmost point for pole shoe 2 parts only, and the not oblique utmost point of pole body 1 part, like this, the pole coil that is set on the pole body 1 is the coil with oblique inner chamber with regard to not needing coiling, guarantee the processing technology of pole coil, also simplified the cover utmost point operation of pole coil.Compare and laminate vertically the magnet limbs made from the silicon steel sheet of existing employing different size, in magnet limbs provided by the utility model, only need to use a secondary punch die to make the silicon steel sheet that is used for forming the pole shoe part, reduce the quantity of required punch die and special equipment, reduced cost; Required rush the silicon steel sheet specification consistent, reduced the possibility of makeing mistakes.
It will be appreciated by persons skilled in the art that at first, although in existing magnet limbs, also have the concept of pole body and pole shoe, both indications be partial structurtes on the magnet limbs, the part of the as a whole formula of existing magnet limbs; And the pole body in the magnet limbs that the utility model embodiment provides and pole shoe are two mutually parts independently, and both separately make, and magnet limbs is the split-type structural that is comprised of pole body and two parts of pole shoe.Secondly, in existing two kinds of magnet limbs, a kind of processing is simple, but its structure has caused the assembling difficulty of motor; The structure of another kind of salient pole machine is convenient to the assembly work of motor, but the processing difficulties of salient pole machine self.And the magnet limbs that the utility model embodiment provides has been made good balance between existing two kinds of magnet limbs, by pole body and pole shoe are divided into the two parts that can independently process, so that the not oblique utmost point of pole body 1 in the magnet limbs after the combination, be suitable for the assembly manipulation of motor, and pole shoe 2 is comprised of the silicon steel sheet of multi-disc same specification, simplified the processing of magnet limbs self.
By the above, by using magnet limbs provided by the utility model, simplified the assembling process of magnet limbs self or motor, reduced amiss chance in the assembling process, reduced cost, so that salient pole type synchronous motor is suitable for large batch of production.
In the magnet limbs that above-described embodiment provides, magnet limbs is by composition that pole body 1 and 2 two parts of pole shoe are fixedly linked, in the process of two parts of combination, and inevitably will be in the face of the problem of magnet limbs assembly precision.In order to improve the assembly precision of magnet limbs, provide in the magnet limbs at present embodiment, one of them is provided with location notch 3 at pole body 1 and pole shoe 2, is provided with the positioning boss 4 with location notch 3 couplings on another.
Preferably, as shown in Figure 3, be provided with location notch 3 at pole body 1, and be provided with positioning boss 4 at pole shoe.Can see, when the assembling magnet limbs, at first determine the relative position of pole body 1 and pole shoe 2 by the cooperation of location notch 3 and positioning boss 4, the two is fixedly linked, thereby effectively reduce the rigging error of magnet limbs.
It will be understood by those skilled in the art that, in the magnet limbs that above-described embodiment provides, the cross section of location notch 3 is rectangle, and the cross section of corresponding positioning boss 4 is identical rectangle with it, and in the design and production process of reality, as long as can guarantee to reduce by the cooperation of location notch and positioning boss the rigging error of magnet limbs, the cross section of location notch and positioning boss can also be other identical or different shape.Generally, above-mentioned " cooperation " refers to that location notch and positioning boss have identical shape of cross section, but the magnet limbs that the utility model embodiment provides does not repel the cross section of location notch and the cross section of positioning boss is difform situation.
Concrete, as shown in Figure 4, in the magnet limbs that above-described embodiment provides, connect by being weldingly connected between pole body and the pole shoe.Two parts that the pole body of magnet limbs and pole shoe are set to independently to process are for the demand of producing motor in enormous quantities, pole body and pole shoe are after assembling, need the situation of Re-isolation seldom, therefore, by welding links to each other pole body and can reduce part in the magnet limbs with pole shoe kind and quantity, reduce the assembling process of magnet limbs.Simultaneously, be understandable that the magnet limbs that the utility model embodiment provides does not repel the situation that pole body and pole shoe are fixedly linked by alternate manner.
Preferably, in magnet limbs provided by the utility model, the offside of the end that links to each other with pole shoe 2 on the pole body 1 is provided with a plurality of screwed holes 5.Namely as shown in Figure 5, on the side of pole body 1 away from pole shoe 2, be provided with a plurality of screwed holes 5.By screwed hole 5 is set, can utilize securing member that magnet limbs is installed in the motor, simplified the assembly manipulation of motor.
The utility model also provides a kind of motor, is provided with the magnet limbs that above-described embodiment provides in this motor.Compare with existing motor, motor provided by the utility model has been simplified assembly manipulation by using above-mentioned magnet limbs, is suitable for large batch of production.
Preferably, in the motor that above-described embodiment provides, magnet limbs is installed on the rotor of motor.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the magnet limbs of a salient pole type synchronous motor is characterized in that, described magnet limbs comprises the pole body and the pole shoe with silicon steel sheet of polylith same size of the cuboid profile of a steel, and described pole body and described pole shoe are fixedly linked.
2. magnet limbs according to claim 1 is characterized in that, is provided with location notch on one of described pole body and described pole shoe, is provided with the positioning boss that is complementary with described location notch on another.
3. magnet limbs according to claim 2 is characterized in that, is provided with location notch on the described pole body, and described pole shoe is provided with the positioning boss that is complementary with described location notch.
4. magnet limbs according to claim 3 is characterized in that, the cross section of described location notch and the cross section of described positioning boss are and are rectangle.
5. magnet limbs according to claim 1 is characterized in that, described pole body and described pole shoe are by being weldingly connected.
6. magnet limbs according to claim 1 is characterized in that, link to each other with the described pole shoe offside of an end of described pole body is provided with a plurality of screwed holes.
7. a motor is characterized in that, is provided with each described magnet limbs among the claims 1-6 in the described motor.
8. motor according to claim 7 is characterized in that, described magnet limbs is arranged on the rotor of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442429 CN202798401U (en) | 2012-08-31 | 2012-08-31 | Salient pole magnetic pole of salient pole type synchronous motor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220442429 CN202798401U (en) | 2012-08-31 | 2012-08-31 | Salient pole magnetic pole of salient pole type synchronous motor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202798401U true CN202798401U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220442429 Expired - Fee Related CN202798401U (en) | 2012-08-31 | 2012-08-31 | Salient pole magnetic pole of salient pole type synchronous motor and motor |
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| CN (1) | CN202798401U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832774A (en) * | 2012-08-31 | 2012-12-19 | 南车株洲电机有限公司 | Salient magnetic pole of salient pole synchronous motor and motor |
| CN112020811A (en) * | 2018-04-23 | 2020-12-01 | 利莱森玛电机公司 | Rotor for rotating electric machine |
-
2012
- 2012-08-31 CN CN 201220442429 patent/CN202798401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832774A (en) * | 2012-08-31 | 2012-12-19 | 南车株洲电机有限公司 | Salient magnetic pole of salient pole synchronous motor and motor |
| CN112020811A (en) * | 2018-04-23 | 2020-12-01 | 利莱森玛电机公司 | Rotor for rotating electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20210831 |