CN218771491U - Double-fed type aerogenerator stator insulation system - Google Patents
Double-fed type aerogenerator stator insulation system Download PDFInfo
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- CN218771491U CN218771491U CN202222219479.0U CN202222219479U CN218771491U CN 218771491 U CN218771491 U CN 218771491U CN 202222219479 U CN202222219479 U CN 202222219479U CN 218771491 U CN218771491 U CN 218771491U
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Abstract
The utility model discloses a double-fed type aerogenerator stator insulation system, include: the installation axis body, fixed mounting has stator core on the installation axis body, the activity of installation axis body is passed there are two insulating resin pieces, two insulating resin pieces respectively the butt in stator core's top and bottom, the activity of installation axis body is passed there are two insulating lids, two insulating lids respectively the butt on two insulating resin pieces, in-process when using, can carry out quick spacing to insulating lid and insulating resin piece through the fixed strip, can carry out one bit fast spacing to insulating lid through spacing cutting, can carry out preliminary quick fixed to insulating resin piece and insulating lid through the second lug, can carry out preliminary fixed to insulating lid through first lug, through the fixed strip, layering and bolt can fasten insulating resin piece and insulating lid, prevent that mica tape layer and insulating resin piece from droing.
Description
Technical Field
The utility model relates to a motor parts technical field, in particular to double-fed type aerogenerator stator insulation system.
Background
The stator is a stationary part of the motor and consists of three parts, namely an iron core, a winding and an installation insulating framework. The main function of the stator is to generate a rotating magnetic field. For better protection of the windings, stator insulation covers are often provided at both ends of the windings. The stator insulation cover covers the winding end part to achieve the purpose of protection. The winding heads are generally located at two ends of the iron core, and the heights of the winding heads are different due to motors with different powers.
Chinese patent publication No. CN214850700U discloses a stator insulating cover and an assembly structure thereof, wherein the stator insulating cover has a cover body, the cover body includes an upper plane and a side wall extending downward along the edge of the upper plane; the upper plane and the side wall are an integrated piece; a positioning through hole is formed in the upper plane; the edge of the positioning through hole is provided with a plurality of clamping assemblies which are distributed along the circumference of the axis of the positioning through hole; the clamping assembly comprises a groove, and the groove extends along the edge of the positioning through hole; the bottom surface of the groove is provided with a notch for the fixture block to axially enter; still be equipped with the lug on the bottom surface of recess, the one end that the up end of lug is close to the breach is equipped with first guide inclined plane, and the low side on first guide inclined plane corresponds with the breach, and the lug is kept away from the one end of breach and is formed the draw-in groove that can supply the fixture block to slide in with the recess between keeping away from the one end of breach.
The disadvantages are that: the fixing mode of the insulating cover is only simple insertion, and although a certain fixing effect is achieved, the fixing is not stable enough and easy to loosen, so that the insulating cover is easy to fall off, and the work of the motor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: in order to solve the defects in the prior art, a stator insulation structure of a doubly-fed wind generator is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-fed wind generator stator insulation structure comprises: the stator core comprises a stator core body, wherein a stator core is fixedly mounted on the stator core body, two insulating resin sheets are movably arranged on the stator core body in a penetrating mode, the two insulating resin sheets are respectively abutted to the top and the bottom of the stator core body, two insulating covers are movably arranged on the stator core body in a penetrating mode, the two insulating covers are respectively abutted to the two insulating resin sheets, two fixing strips are respectively arranged at the positions, located at the top and the bottom of the stator core body, of the mounting shaft body, a pressing strip is movably inserted into the fixing strips, the fixing strips and the pressing strip are fixedly connected through bolts, the pressing strip is abutted to the insulating covers, and the insulating covers and the insulating resin sheets are movably sleeved on the fixing strips.
According to the preferable technical scheme, the insulating resin sheet is fixedly connected with a limiting inserting strip, and a first protruding block is fixedly inserted into the limiting inserting strip.
Preferably, one surface of the insulating resin sheet, which is far away from the stator core, is provided with an epoxy resin layer, and one surface of the epoxy resin layer, which is far away from the stator core, is provided with a mica tape layer.
According to the preferable technical scheme, one surface, close to the stator core, of the insulating cover is provided with an insulating rubber ring, and the insulating cover is provided with a plurality of through holes.
As the preferred technical scheme, the insulating cover is provided with a circular groove, the insulating cover is provided with a strip-shaped hole, and the limiting inserting strip movably penetrates through the strip-shaped hole.
As a preferred technical scheme, the fixing strip is provided with a jack, and the pressing strip movably penetrates through the jack.
Preferably, the second protrusion is fixedly inserted into the fixing strip.
As a preferred technical scheme, a round hole is formed in the pressing strip, and the bolt is inserted into the round hole in a threaded mode.
The utility model discloses possess following beneficial effect at least:
can carry out quick spacing to insulating lid and insulating resin piece through the fixed strip, can advance one bit quick spacing to insulating lid through spacing cutting, can carry out preliminary quick fixed to insulating resin piece and insulating lid through the second lug, can carry out preliminary fixed to insulating lid through first lug, can fasten insulating resin piece and insulating lid through fixed strip, layering and bolt, prevent that mica tape layer and insulating resin piece from droing.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of an embodiment of an insulation structure of a stator of a doubly-fed wind generator according to the present invention;
fig. 2 is a schematic view of an explosion structure of an embodiment of the stator insulation structure of the doubly-fed wind generator according to the present invention;
fig. 3 is a schematic view of a partial explosion structure of an embodiment of the stator insulation structure of the doubly-fed wind generator according to the present invention;
the reference numbers illustrate:
1. mounting a shaft body; 2. a stator core; 3. an insulating resin sheet; 4. an epoxy resin layer; 5. a mica tape layer; 6. an insulating cover; 7. an insulating rubber ring; 8. a circular groove; 9. a through hole; 10. a strip-shaped hole; 11. limiting the cutting; 12. a first bump; 13. a fixing strip; 14. a second bump; 15. layering; 16. a bolt; 17. a jack; 18. a circular hole.
Detailed Description
In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 3, a first embodiment of the present invention provides a double-fed wind turbine stator insulation structure, including: installation axis body 1, fixed mounting has stator core 2 on the installation axis body 1, 1 activity of installation axis body is passed there are two insulating resin pieces 3, two insulating resin pieces 3 respectively the butt at the top and the bottom of stator core 2, 1 activity of installation axis body is passed there are two insulating lids 6, two insulating lids 6 respectively the butt on two insulating resin pieces 3, the position that installation axis body 1 is located 2 tops of stator core and bottom has two fixed strips 13 respectively, layering 15 is inserted in the activity in the fixed strip 13, fixed strip 13 and layering 15 pass through bolt 16 fixed connection, layering 15 and 6 looks butt of insulating cover, insulating cover 6 and 3 movable sleeve of insulating resin piece are established on fixed strip 13.
By adopting the technical scheme, the insulating cover 6 and the insulating resin sheet 3 are placed more stably and are not easy to loosen through the fixing strips 13.
Please refer to fig. 1 to 3, embodiment two of the present invention, a fixed connection limit insert 11 is arranged on an insulating resin sheet 3, a first bump 12 is fixedly inserted into the limit insert 11, one side of the insulating resin sheet 3 away from the stator core 2 has an epoxy resin layer 4, one side of the epoxy resin layer 4 away from the stator core 2 has a mica tape layer 5, one side of the insulating cover 6 close to the stator core 2 has an insulating rubber ring 7, a plurality of through holes 9 are formed in the insulating cover 6, a circular groove 8 is formed in the insulating cover 6, a strip hole 10 is formed in the insulating cover 6, the activity of the limit insert 11 passes through the strip hole 10, a jack 17 is formed in the fixing strip 13, a second bump 14 is fixedly inserted into the fixing strip 13, a round hole 18 is formed in the pressing strip 15, and a bolt 16 is screwed into the round hole 18.
By adopting the technical scheme, the insulating capability of the insulating resin sheet 3 is enhanced through the epoxy resin layer 4 and the mica tape layer 5, the insulating resin sheet 3 and the insulating cover 6 can be pressed under the second bump 14, the insulating cover 6 can be pressed under the first bump 12, and the circular groove 8 in the insulating cover 6 can penetrate through a copper wire.
The utility model discloses a theory of operation is:
the insulating cover 6 and the insulating resin sheet 3 are placed more stably and are not easy to loosen through the fixing strips 13, the insulating capability of the insulating resin sheet 3 is enhanced through the epoxy resin layer 4 and the mica tape layer 5, the insulating resin sheet 3 and the insulating cover 6 can be pressed under the second bump 14, the insulating cover 6 can be pressed under the first bump 12, and the circular groove 8 in the insulating cover 6 can penetrate through a copper wire;
can carry out quick spacing to insulating cover 6 and insulating resin piece 3 through fixed strip 13, can carry out one bit fast spacing to insulating cover 6 through spacing cutting 11, can carry out preliminary quick fixed to insulating resin piece 3 and insulating cover 6 through second lug 14, can carry out preliminary fixed to insulating cover 6 through first lug 12, through fixed strip 13, layering 15 and bolt 16 can fasten insulating resin piece 3 and insulating cover 6, prevent that mica tape layer 5 and insulating resin piece 3 from droing.
The different embodiments described above can be used in combination with each other.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (8)
1. A double-fed type aerogenerator stator insulation structure, characterized by comprising:
the stator core structure comprises an installation shaft body (1), a stator core (2) is fixedly installed on the installation shaft body (1), two insulating resin sheets (3) are movably passed through the installation shaft body (1), the two insulating resin sheets (3) are respectively abutted to the top and the bottom of the stator core (2), two insulating covers (6) are movably passed through the installation shaft body (1), the two insulating covers (6) are respectively abutted to the two insulating resin sheets (3), two fixing strips (13) are respectively arranged at the positions, located at the top and the bottom of the stator core (2), of the installation shaft body (1), a pressing strip (15) is movably inserted into each fixing strip (13), the fixing strips (13) and the pressing strip (15) are fixedly connected through bolts (16), the pressing strip (15) is abutted to the insulating covers (6), and the insulating covers (6) and the insulating resin sheets (3) are movably sleeved on the fixing strips (13).
2. The stator insulation structure of the doubly-fed wind generator according to claim 1, wherein: the insulating resin sheet (3) is fixedly connected with a limiting inserting strip (11), and a first bump (12) is fixedly inserted into the limiting inserting strip (11).
3. The stator insulation structure of the doubly-fed wind generator according to claim 2, characterized in that: one side, far away from the stator core (2), of the insulating resin sheet (3) is provided with an epoxy resin layer (4), and one side, far away from the stator core (2), of the epoxy resin layer (4) is provided with a mica tape layer (5).
4. A doubly-fed wind generator stator insulation structure as claimed in claim 3, wherein: one side of the insulating cover (6) close to the stator iron core (2) is provided with an insulating rubber ring (7), and the insulating cover (6) is provided with a plurality of through holes (9).
5. The stator insulation structure of the doubly-fed wind generator according to claim 4, wherein: the insulation cover (6) is provided with a circular groove (8), the insulation cover (6) is provided with a strip-shaped hole (10), and the limiting inserting strip (11) movably penetrates through the strip-shaped hole (10).
6. The stator insulation structure of the doubly-fed wind generator according to claim 1, characterized in that: the fixing strip (13) is provided with an insertion hole (17), and the pressing strip (15) movably penetrates through the insertion hole (17).
7. The stator insulation structure of the doubly-fed wind generator according to claim 6, wherein: a second lug (14) is fixedly inserted into the fixing strip (13).
8. The stator insulation structure of the doubly-fed wind generator according to claim 1, characterized in that: a round hole (18) is formed in the pressing strip (15), and the bolt (16) is inserted into the round hole (18) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219479.0U CN218771491U (en) | 2022-08-23 | 2022-08-23 | Double-fed type aerogenerator stator insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222219479.0U CN218771491U (en) | 2022-08-23 | 2022-08-23 | Double-fed type aerogenerator stator insulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218771491U true CN218771491U (en) | 2023-03-28 |
Family
ID=85691813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222219479.0U Active CN218771491U (en) | 2022-08-23 | 2022-08-23 | Double-fed type aerogenerator stator insulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218771491U (en) |
-
2022
- 2022-08-23 CN CN202222219479.0U patent/CN218771491U/en active Active
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