CN113872355A - Salient pole rotor and manufacturing method thereof - Google Patents
Salient pole rotor and manufacturing method thereof Download PDFInfo
- Publication number
- CN113872355A CN113872355A CN202111164112.7A CN202111164112A CN113872355A CN 113872355 A CN113872355 A CN 113872355A CN 202111164112 A CN202111164112 A CN 202111164112A CN 113872355 A CN113872355 A CN 113872355A
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- insulating
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- annular coil
- bonding layer
- iron core
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/325—Windings characterised by the shape, form or construction of the insulation for windings on salient poles, such as claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention relates to the technical field of motors, and particularly discloses a salient pole rotor and a manufacturing method thereof, wherein the salient pole rotor comprises a rotating shaft and magnetic poles, insulating plates are connected to the upper surface and the lower surface of an annular coil, a first insulating bonding layer is filled between the insulating plates and the surface of the annular coil, an insulating part is connected to the inner cavity of the annular coil, and a second insulating bonding layer is filled between the insulating part and the inner cavity of the annular coil; when the salient pole rotor is manufactured, the annular coil is firstly subjected to insulation processing to obtain an insulation coil, then the insulation coil is transported by sleeving the insulation coil on the iron core in a transportation time, and finally the magnetic pole is assembled on a use site. The scheme is used for solving the problems that in the prior art, a large and medium salient pole type synchronous motor has high transportation cost or large assembly difficulty and has hidden quality troubles before use.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a salient pole rotor and a manufacturing method thereof.
Background
To synchronous machine including non salient pole formula synchronous machine and salient pole formula synchronous machine, salient pole synchronous machine need utilize salient pole rotor, salient pole rotor includes the pivot and fixes a plurality of magnetic poles in pivot circumference, every magnetic pole all includes the iron core and winds the toroidal coil on the iron core, among the prior art, to miniaturized synchronous machine, all assembles go on in the mill, wherein when salient pole rotor makes, because of need guaranteeing that the magnetic pole is insulating to ground, need to stack up glass cloth board on the upper and lower plane of toroidal coil, and iron core and toroidal coil inner chamber complex pole body then adopt the package insulation technology, form insulating on the iron core with insulating paper and insulating film package, this technology is implemented in the mill, convenient operation and quality can be guaranteed.
However, for a medium-sized and large-sized salient pole type synchronous motor, due to the large size, if the motor is installed in a factory, the transportation cost is high; in order to reduce the transportation cost, if parts are disassembled for transportation, the salient pole rotor needs to be assembled on the using site, however, the coiling process of the salient pole rotor is difficult to operate on the site due to the limitation of conditions on the using site, and the quality of the salient pole rotor assembled on the site has hidden trouble.
Disclosure of Invention
The invention aims to provide a salient pole rotor and a manufacturing method thereof, and aims to solve the problems that a large and medium salient pole type synchronous motor in the prior art is high in transportation cost or high in assembly difficulty and has hidden quality troubles before use.
In order to achieve the above object, the basic scheme of the invention is as follows:
the utility model provides a salient pole rotor, includes pivot and magnetic pole, and the magnetic pole includes the iron core and winds the toroidal coil on the iron core, all is connected with the insulation board on toroidal coil's the upper/lower surface, and it has first insulation adhesive linkage to fill between insulation board and the toroidal coil surface, is connected with the insulating part on toroidal coil's the inner chamber, and it has the second insulation adhesive linkage to fill between insulating part and the toroidal coil inner chamber, and the insulating part can paste with the iron core utmost point body mutually, and first insulation adhesive linkage and second insulation adhesive linkage all have deformation space.
Compare the beneficial effect in prior art:
when the scheme is adopted, the first insulating bonding layer and the insulating plate are arranged on the upper surface and the lower surface of the annular coil, so that the upper surface and the lower surface of the annular coil are insulated; the second insulating layer and the insulating part are arranged on the surface of the inner cavity of the annular coil, so that the insulation of the inner cavity of the annular coil is realized, the ground insulation of the magnetic pole is ensured, and the insulating plate, the insulating part, the first insulating bonding layer, the second insulating bonding layer and the annular coil can be processed in a factory to form an insulating coil which is subjected to insulation work; during transportation, only the insulating coil which is well insulated is sleeved on the iron core to form a magnetic pole to be transported integrally, so that the transportation size is guaranteed to be miniaturized on the basis of guaranteeing the quality of the salient pole rotor, and the transportation cost is reduced.
In addition, because of first insulating adhesive linkage and second insulating adhesive linkage all have the deformation space, and then can guarantee even if there is certain assembly size error between toroidal coil and the iron core also can closely laminate, be favorable to improving the quality after the magnetic pole installation.
Further, the first insulating bonding layer and the second insulating bonding layer both comprise insulating felts with insulating paint.
Has the advantages that: when this scheme of adoption, the soft gap that the annular coil brought because of the surface unevenness that utilizes insulating felt, and insulating paint's setting plays insulating effect on the one hand, and on the other hand has also played the effect of viscose.
Further, the iron core is in concave-convex fit with the rotating shaft; this scheme can make things convenient for the assembly of iron core and pivot, reduces the installation degree of difficulty.
Furthermore, there is interval between iron core and the pivot, and the wedge key can be inserted to the interval part so that iron core and pivot form fixed connection.
Has the advantages that: when this scheme of adoption, fill the interval between iron core and the pivot through the wedge key, both guaranteed the convenience simple of iron core installation, guarantee again that the iron core can the pivot firmly combine.
Further, the thickness of the first insulating bonding layer and the second insulating bonding layer is 4-8 mm; the thickness can ensure the bonding effect and fill up gaps caused by uneven surfaces of the annular coils.
Further, the manufacturing method of the salient pole rotor comprises the following steps: s1: manufacturing an insulating coil, namely performing insulating processing on the annular coil to enable the processed annular coil to be provided with an insulating plate and a first insulating bonding layer on the upper part/lower part and an insulating part and a second insulating bonding layer in the inner cavity of the annular coil, and curing the annular coil subjected to insulating processing to obtain the insulating coil; s2: manufacturing a magnetic pole, namely sleeving the manufactured insulating coil into the iron core to form the magnetic pole; s3: the magnetic poles and the rotating shaft are assembled to form a salient pole rotor.
Has the advantages that: when this scheme of adoption, both guaranteed toroidal coil' S insulating properties through step S1, make the whole overall dimension of toroidal coil can be stereotyped after the solidification again, the transportation of being convenient for and then reduced the cost of transportation, and made things convenient for the installation of back process insulating coil and iron core, both reduced the assembly degree of difficulty, because toroidal coil and insulating material form wholly and guaranteed the quality of the magnetic pole after the assembly again.
Further, the step S1 includes the following sub-steps: s11, insulating the upper/lower surfaces of the annular coil: placing first insulating bonding layers on the upper surface and the lower surface of the annular coil, placing an insulating plate on one side of the first insulating bonding layer, which is far away from the annular coil, and completing bonding of the insulating plate and the annular coil through the first insulating bonding layers; s12, insulating the inner cavity of the annular coil: placing a second insulating bonding layer on the surface of the inner cavity of the annular coil, placing an insulating part on one side of the second insulating bonding layer, which is far away from the annular coil, and completing bonding of the insulating part and the inner cavity of the annular coil through the second insulating bonding layer; the insulating part can paste with the iron core utmost point body mutually.
Has the advantages that: when the insulating coil is manufactured, the first insulating bonding layer and the second insulating bonding layer which have a certain deformation space are bonded with the annular coil, so that the whole insulating coil is manufactured more simply and conveniently.
Further, step S12 includes cutting four corners of the annular end of the insulating portion and flanging the insulating portion toward one side of the insulating plate after the insulating portion is bonded, and pressing the flanged end of the insulating portion between the insulating plate and the first insulating adhesive layer.
Has the advantages that: according to the scheme, on one hand, the insulating part is compressed by using the pressing force of the insulating plate on the annular coil, so that the connection firmness of the insulating part and the annular coil is improved; on the other hand, this scheme is also pressed into through insulating part and is insulated the clearance between ring coil edge and the iron core between insulation board and the first insulation adhesive linkage.
Further, the step S1 further includes the following sub-steps:
s13, curing the insulated coil: and after S11 and S12 are finished, the whole annular coil with the insulating material is placed into a baking and pressing mold, and the whole annular coil with the insulating material is cured in a heating mode.
Has the advantages that: the heating, curing and shaping of the insulating coil are realized by utilizing the baking and pressing die, so that the overall dimension of the insulating coil after the manufacturing is completed is more accurate.
Further, in step S13, after the mold is closed by baking, the ring coil is energized to heat the entire insulation coil
Has the advantages that: when this scheme of adoption, on the one hand has carried out the detection to toroidal coil, on the other hand just in time can generate heat after the circular coil circular telegram and reach the purpose of heating, has made things convenient for insulating coil's solidification, has realized energy-concerving and environment-protective.
Drawings
FIG. 1 is a front view of an embodiment of the present invention;
fig. 2 is a partial front cross-sectional view of an embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the magnetic core comprises a rotating shaft 10, a magnetic pole 20, an iron core 3, a ring-shaped coil 4, an insulating plate 5, a first insulating adhesive layer 6, an insulating part 7, a second insulating adhesive layer 8 and a wedge key 9.
Examples
The embodiment is basically as shown in fig. 1 and fig. 2, a salient pole rotor comprises a rotating shaft 10 and a plurality of magnetic poles 20, wherein the plurality of magnetic poles 20 are uniformly distributed along the circumferential direction of the rotating shaft 10, each magnetic pole 20 comprises an iron core 3 and a ring coil 4 wound on the iron core 3, insulation plates 5 are connected to the upper/lower surfaces of the ring coil 4, a first insulation bonding layer 6 is filled between the insulation plates 5 and the surface of the ring coil 4, an insulation part 7 is connected to the inner cavity of the ring coil 4, a second insulation bonding layer 8 is filled between the insulation part 7 and the inner cavity of the ring coil 4, the insulation part 7 can be attached to the pole body of the iron core 3, and the first insulation bonding layer 6 and the second insulation bonding layer 8 both have deformation spaces. The first and second insulating adhesive layers 6 and 8 each comprise an insulating felt with an insulating varnish. The iron core 3 is in concave-convex fit with the rotating shaft 10, a space exists between the iron core 3 and the rotating shaft 10, and the wedge key 9 can be inserted into the space part to enable the iron core 3 and the rotating shaft 10 to form fixed connection; in this embodiment, a T-shaped protrusion is formed on the iron core 3, a T-shaped groove is formed on the rotating shaft 10, and the T-shaped protrusion can be inserted into the T-shaped groove. The thickness of the first insulating adhesive layer 6 and the second insulating adhesive layer 8 is 4-8mm, and the thickness of the first insulating adhesive layer 6 and the second insulating adhesive layer 8 is 5mm in the embodiment.
In this embodiment, the insulating plate 5 is a glass cloth plate, and the type of the glass cloth plate can be 3240 epoxy plate; the first insulating bonding layer 6 and the second insulating bonding layer 8 are both made of polyester felts with insulating paint, and the type of the insulating paint can be insulating paint JF 9811; the insulating part 7 may be made of insulating paper or insulating cloth, and the embodiment is preferably made of a polyester composite material 6641.
The manufacturing method of the salient pole rotor comprises the following steps:
s1: manufacturing an insulating coil, namely performing insulating processing on the annular coil 4 to enable the processed annular coil 4 to be provided with an insulating plate 5 and a first insulating bonding layer 6 at the upper part/lower part and an insulating part 7 and a second insulating bonding layer 8 in the inner cavity of the annular coil 4, and curing the annular coil 4 subjected to the insulating processing to obtain the insulating coil; the specific substeps are as follows:
s11, insulating the upper/lower surfaces of the toroidal coil 4: placing first insulating bonding layers 6 on the upper/lower surfaces of the annular coil 4, placing an insulating plate 5 on one side of each first insulating bonding layer, which is far away from the annular coil 4, and bonding the insulating plate 5 and the annular coil 4 through the first insulating bonding layers 6;
s12, insulating the inner cavity of the annular coil 4: placing a second insulating bonding layer 8 on the surface of the inner cavity of the annular coil 4, placing an insulating part 7 on one side of the second insulating bonding layer, which is far away from the annular coil 4, and bonding the insulating part 7 with the inner cavity of the annular coil 4 through the second insulating bonding layer 8; the insulating part 7 can be attached to the pole body of the iron core 3; after the insulating part 7 is bonded, four corners of the annular end part of the insulating part 7 are cut and turned over to one side of the insulating plate 5, and the end part of the turned-over insulating part 7 is pressed between the insulating plate 5 and the first insulating adhesive layer 6.
S13, curing the insulated coil: and after S11 and S12 are completed, the whole annular coil 4 with the insulating material is placed into a baking and pressing mold, and the whole insulating coil is heated by electrifying the annular coil 4, so that the whole annular coil 4 is cured.
S2: and manufacturing the magnetic pole 20, sliding the manufactured insulated coil into the T-shaped groove of the rotating shaft 10 through the T-shaped protrusion, and finally inserting the wedge key 9 to enable the iron core 3 to be fixedly connected with the rotating shaft 10.
Sleeving the iron core 3 to form a magnetic pole 20; s3: the magnetic poles 20 are assembled with the rotating shaft 10 to form a salient pole rotor.
By adopting the embodiment, a rolling process is not required to be adopted as in the prior art, so that the whole salient rotor is very simple and convenient to assemble, and the on-site assembly difficulty of a medium-large salient pole type synchronous motor is reduced; meanwhile, since the annular coil 4 is formed into the insulating coil with insulating property after being processed by the insulating material in the embodiment, the insulating property of the annular coil 4 is ensured, the overall dimension of the annular coil 4 can be shaped after being cured, the transportation is convenient, the transportation cost is reduced, the installation of the insulating coil and the iron core 3 in the post-process is facilitated, the quality of the magnetic pole 20 after being assembled is also ensured, and the improvement of the quality of the whole salient pole rotor is facilitated.
In addition, because of the annular coil 4 is made into the insulating coil with the insulating material, the insulating coil can be sleeved on the iron core 3 to form the whole magnetic pole 20 for transportation, so that the transportation size is ensured to be miniaturized on the basis of ensuring the quality of the salient pole rotor, and the transportation cost is reduced. Especially, when the medium-large salient pole type synchronous motor is manufactured, parts need to be disassembled and transported, and the parts are transported to a use site and then assembled, so that the transportation cost of the salient pole rotor can be greatly reduced.
Besides, when the embodiment is adopted, the annular coil 4 needs to be electrified when the insulating coil is solidified, on one hand, the annular coil 4 is detected, on the other hand, the purpose of heating can be achieved just by heating after the annular coil 4 is electrified, the insulating coil is convenient to solidify, and energy conservation and environmental protection are achieved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A salient pole rotor comprises a rotating shaft and magnetic poles, wherein each magnetic pole comprises an iron core and a ring-shaped coil wound on the iron core, and the salient pole rotor is characterized in that: all be connected with the insulation board on toroidal coil's the upper/lower surface, it has first insulation adhesive linkage to fill between insulation board and the toroidal coil surface, is connected with insulating portion on toroidal coil's the inner chamber, and it has the insulating adhesive linkage of second to fill between insulating portion and the toroidal coil inner chamber, and insulating portion can paste mutually with the iron core utmost point body, and first insulation adhesive linkage and the insulating adhesive linkage of second all have the deformation space.
2. The salient-pole rotor of claim 1, wherein: the first insulating bonding layer and the second insulating bonding layer both comprise insulating felts with insulating paint.
3. The salient-pole rotor of claim 1, wherein: the iron core is matched with the rotating shaft in a concave-convex mode.
4. The salient-pole rotor of claim 3, wherein: there is the interval between iron core and the pivot, and the wedge key can be inserted to the interval part so that iron core and pivot form fixed connection.
5. The salient-pole rotor of claim 1, wherein: the thickness of the first insulating bonding layer and the second insulating bonding layer is 4-8 mm.
6. The method of making a salient pole rotor of any one of claims 1 to 5, comprising the steps of:
s1: manufacturing an insulating coil, namely performing insulating processing on the annular coil to enable the processed annular coil to be provided with an insulating plate and a first insulating bonding layer on the upper part/lower part and an insulating part and a second insulating bonding layer in the inner cavity of the annular coil, and curing the annular coil subjected to insulating processing to obtain the insulating coil;
s2: manufacturing a magnetic pole, namely sleeving the manufactured insulating coil into the iron core to form the magnetic pole; s3: the magnetic poles and the rotating shaft are assembled to form a salient pole rotor.
7. The method of manufacturing a salient pole rotor according to claim 6, wherein the step S1 comprises the substeps of:
s11, insulating the upper/lower surfaces of the annular coil: placing first insulating bonding layers on the upper surface and the lower surface of the annular coil, placing an insulating plate on one side of the first insulating bonding layer, which is far away from the annular coil, and completing bonding of the insulating plate and the annular coil through the first insulating bonding layers;
s12, insulating the inner cavity of the annular coil: placing a second insulating bonding layer on the surface of the inner cavity of the annular coil, placing an insulating part on one side of the second insulating bonding layer, which is far away from the annular coil, and completing bonding of the insulating part and the inner cavity of the annular coil through the second insulating bonding layer; the insulating part can paste with the iron core utmost point body mutually.
8. The method of claim 7, wherein the step S12 further includes, after the insulating part is bonded, cutting four corners of the annular end of the insulating part and flanging the insulating part toward one side of the insulating plate, and pressing the flanged end of the insulating part between the insulating plate and the first insulating adhesive layer.
9. The method of claim 7, wherein the step S1 further comprises the following substeps:
s13, curing the insulated coil: and after S11 and S12 are finished, the whole annular coil with the insulating material is placed into a baking and pressing mold, and the whole annular coil with the insulating material is cured in a heating mode.
10. The method of claim 9, wherein the step S13 is performed by energizing the toroidal coil after the mold is closed, thereby heating the entire insulating coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111164112.7A CN113872355B (en) | 2021-09-30 | 2021-09-30 | Salient pole rotor and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164112.7A CN113872355B (en) | 2021-09-30 | 2021-09-30 | Salient pole rotor and manufacturing method thereof |
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| CN113872355A true CN113872355A (en) | 2021-12-31 |
| CN113872355B CN113872355B (en) | 2023-01-20 |
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| CN102368653A (en) * | 2011-09-23 | 2012-03-07 | 浙江双富电力设备有限公司 | Integral hot-press molding method of salient magnetic pole iron core and coil |
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| CN107070142A (en) * | 2017-04-28 | 2017-08-18 | 张家港市双成电工设备有限公司 | A kind of motor stator insulated processing unit and insulating treatment method |
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| CN207926307U (en) * | 2018-01-12 | 2018-09-28 | 湘潭瑞欣电工材料有限公司 | Collar cheek |
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|---|---|---|---|---|
| CN101834495A (en) * | 2009-03-12 | 2010-09-15 | 上海电气集团上海电机厂有限公司 | Magnetic pole structure of AC/AC variable frequency rolled steel motor rotor and machining method thereof |
| CN201868972U (en) * | 2010-12-10 | 2011-06-15 | 福建南电股份有限公司 | Pole coil grounded insulating structure of salient-pole synchronizing generator |
| CN102368653A (en) * | 2011-09-23 | 2012-03-07 | 浙江双富电力设备有限公司 | Integral hot-press molding method of salient magnetic pole iron core and coil |
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Also Published As
| Publication number | Publication date |
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| CN113872355B (en) | 2023-01-20 |
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Denomination of invention: A salient pole rotor and its manufacturing method Effective date of registration: 20230711 Granted publication date: 20230120 Pledgee: Industrial and Commercial Bank of China Limited Chongqing High tech Branch Pledgor: CHONGQING ELECTRIC MACHINE FEDERATION Ltd. Registration number: Y2023980047824 |
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