CN210431035U - Stator ventilation slot plate for scattered winding coil - Google Patents
Stator ventilation slot plate for scattered winding coil Download PDFInfo
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- CN210431035U CN210431035U CN201921487791.XU CN201921487791U CN210431035U CN 210431035 U CN210431035 U CN 210431035U CN 201921487791 U CN201921487791 U CN 201921487791U CN 210431035 U CN210431035 U CN 210431035U
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Abstract
The utility model relates to a stator ventilation frid for loosing winding coil, including the frid plate body of circle annular sheet structure, in the ventilation frid of the Z shape structure of a plurality of perpendicular to frid plate bodies of one side equipartition of frid plate body, follow the frid plate body inner edge is evenly seted up and is ventilated the winding mounting groove of frid plate body inner edge centre of a circle with ventilation frid equivalent opening, scarf joint in every winding mounting groove one with the U-shaped piece of winding installation notch shape looks adaptation and perpendicular to frid plate body, the tank bottom of winding mounting groove is connected to the one end of ventilation frid, the other end of ventilation frid upwards extends and forms the clearance with the outer fringe of frid plate body. The matched scattered winding coil of the utility model has small requirement on installation space, and meets the power lifting requirement of the motor under the fixed total length; the ventilation groove plate is provided with a U-shaped groove, so that the insulating layer on the surface of the scattered winding coil can be effectively protected; the cost of the scattered winding coil is far lower than that of a formed winding, and the production benefit of the motor is improved.
Description
Technical Field
The utility model belongs to the technical field of motor ventilation system technique and specifically relates to a stator ventilation frid for loosing winding coil.
Background
The ventilation systems of the motor are divided into an outer ventilation system and an inner ventilation system, wherein the inner ventilation system is divided into an axial ventilation system, a radial ventilation system and an axial-radial mixed ventilation system.
The radial ventilation method generally utilizes two fans installed at two ends of a motor rotor to draw cooling medium into the motor from two ends, and the cooling medium is discharged from the middle of the motor along the radial direction through an air duct in an iron core. As shown in figure 1, the ventilation system needs to arrange a plurality of radial ventilation grooves with certain length on an iron core 5, namely ventilation groove plates 8, the winding adopts a formed coil winding 7, because the formed winding coil 7 is treated by a special insulation process, the insulation strength and the performance of the coil in the plurality of radial ventilation grooves are not influenced by the ventilation system, and the ventilation groove plates 8 are generally formed by welding the ventilation groove plates 8 and the ventilation groove sheets 2.
As shown in fig. 2-3, the length of the end of the formed winding coil is longer and increases with the power of the motor, and when the power demand of the motor increases and the total length of the motor cannot be changed, the internal space of the motor may not be enough to accommodate the formed winding coil 7. In addition, the structure of the formed winding coil is complex, the manufacturing cost is high, and a special insulation process is required, so that many limitations are usually applied in practical application.
SUMMERY OF THE UTILITY MODEL
The applicant aims at the defects in the prior art and provides a stator ventilation slot plate for a scattered winding coil, which replaces a formed winding coil with the scattered winding coil and is matched with a ventilation slot plate suitable for the scattered winding coil, so that a motor can meet the requirement of higher power compared with the traditional formed winding coil under the fixed total length, and the production cost is reduced.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a stator ventilation frid for loosing winding coil, includes the frid plate body, the frid plate body is ring shape sheet structure, in the ventilation frid of a plurality of perpendicular to frid plate bodies of one side equipartition of frid plate body, the ventilation frid is Z shape structure, follows frid plate body inner edge evenly sets up and ventilates the equivalent winding mounting groove of frid, the winding mounting groove includes the opening towards the winding installation notch in the frid plate body inner edge centre of a circle, the winding installation notch is bilateral symmetry's U-shaped structure, scarf joint the U-shaped piece of a and winding installation notch shape looks adaptation in every winding mounting notch, U-shaped piece perpendicular to frid plate body, the tank bottom of winding mounting groove is connected to the one end of ventilation frid, and the other end of ventilation frid upwards extends and forms the clearance with the outer fringe of frid plate body.
The further technical scheme is as follows:
the bottom of the winding mounting groove is of an arc structure, and the groove walls on the two sides of the winding mounting groove are inclined outwards from the opening of the winding mounting groove to form an angle of α degrees;
the angle of α is in the range of 2-6 degrees;
a plurality of rectangular notches which are uniformly distributed are formed in the outer edge of the grooved plate body;
one end of the ventilation slot piece, which is connected with the winding installation slot, is a first straight edge, and the first straight edge and the center line of the winding installation slot are coaxially arranged;
one end of the ventilation groove piece, which extends towards the outer edge of the groove plate body, is a second straight edge, and the second straight edge is parallel to the first straight edge;
the first straight edge and the second straight edge of the ventilation groove sheet are connected through a bevel edge, and the included angle between the bevel edge and the first straight edge is β degrees;
the angle β ranges from 125 deg. to 145 deg..
The utility model has the advantages as follows:
the utility model has reasonable structure, and the requirement of the scattered winding coil on the installation space is smaller compared with the formed winding coil, so that the volume occupied by the ventilation slot plate which is adapted to the scattered winding coil is also reduced, and the power promotion requirement of the motor under the fixed total length is met; the ventilation groove plate is provided with the U-shaped groove, so that the insulating layer on the surface of the scattered winding coil can be effectively protected, and the service life of the motor is prolonged; the cost of loosing the winding coil is far less than the shaping winding, the utility model discloses supporting winding coil that looses of using has improved the benefit of motor production.
Drawings
Fig. 1 is a conventional motor structure diagram.
Fig. 2 is a schematic view of a shaped winding coil installation.
Fig. 3 is a schematic diagram of a loose-winding coil installation.
Fig. 4 is a schematic diagram of a scattered winding coil structure.
Fig. 5 is a schematic view of the slot plate body of the present invention (without the ventilation slot piece).
Fig. 6 is a schematic structural diagram of the present invention (without rectangular notches).
Fig. 7 is a schematic view of the U-shaped piece structure of the present invention.
Wherein: 1. a groove plate body; 2. a ventilation slot sheet; 201. a first straight side; 202. a second straight side; 203. a bevel edge; 3. a winding mounting groove; 301. a centerline; 302. a winding mounting notch; 303. a U-shaped piece; 4. a rectangular notch; 5. an iron core; 6. a loose-winding coil; 7. forming a winding coil; 8. and (4) a ventilation groove plate.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 5-6, the utility model discloses a frid plate body 1, frid plate body 1 is ring shape lamellar structure, ventilation groove piece 2 in a plurality of perpendicular to frid plate body 1 of one side equipartition of frid plate body 1, ventilation groove piece 2 is Z shape structure, evenly set up along 1 inner edge of frid plate body and ventilate 2 equivalent winding mounting groove 3 of groove piece, winding mounting groove 3 includes the winding installation notch 302 of opening towards the 1 inner edge centre of a circle of frid plate body, winding installation notch 302 is bilateral symmetry's U-shaped structure, U-shaped piece 303 with winding installation notch 302 shape looks adaptation is embedded to connect one in every winding installation notch 302, U-shaped piece 303 perpendicular to frid plate body 1, the tank bottom of winding installation notch 3 is connected to the one end of ventilation groove piece 2, the other end of ventilation groove piece 2 upwards extends and forms the clearance with the outer fringe of frid plate body 1.
The groove bottom of the winding installation groove 3 is of an arc structure, the groove walls on two sides of the winding installation groove 3 are inclined outwards from the opening of the winding installation groove 3 to form an angle of α degrees, the angle of α ranges from 2 degrees to 6 degrees, the outer edge of the groove plate body 1 is provided with a plurality of uniformly distributed rectangular notches 4, one end, connected with the winding installation groove 3, of the ventilation groove piece 2 is a first straight edge 201, the first straight edge 201 is coaxially arranged with the center line 301 of the winding installation groove 3, one end, extending towards the outer edge of the groove plate body 1, of the ventilation groove piece 2 is a second straight edge 202, the second straight edge 202 is parallel to the first straight edge 201, the first straight edge 201 and the second straight edge 202 of the ventilation groove piece 2 are connected through a bevel edge 203, the included angle between the bevel edge 203 and the first straight edge 201 is β.
The utility model discloses a concrete assembling process as follows:
the groove plate body 1 is fixed, the ventilation groove pieces 2 are sequentially welded on the groove plate body 1, and the ventilation groove pieces 2 are kept perpendicular to the groove plate body 1. As shown in fig. 4, since the scattered winding coil 6 is formed by coating insulating paint on the outer side of the copper wire, and the formed winding coil is manufactured by adopting a special insulating process, compared with the situation that the intensity of the scattered winding coil 6 is poor, the scattered winding coil 6 needs to take protective measures when being installed on the stator core, so that the insulating property of the coil in the radial ventilation system is prevented from being damaged. For this purpose, a U-shaped winding mounting groove 3 is provided, the U-shaped piece 303 is inserted into the winding mounting groove 302 by welding, and the U-shaped piece 303 is perpendicular to the slot plate body 1. Due to the protection of the U-shaped piece in a half-wrapping mode, the shape of the inside of the U-shaped piece 303 is matched with the scattered winding coil 6, and the size of the inside of the U-shaped piece 303 is 1mm larger than that of the scattered winding coil 6, the insulating layer of the scattered winding coil 6 is not prone to scraping when a motor works, and the insulating property and the strength of the coil are guaranteed in a radial ventilation system.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.
Claims (8)
1. The utility model provides a stator ventilation frid for loosing winding coil, includes frid plate body (1), frid plate body (1) is ring shape sheet structure, in ventilation frid (2) of a plurality of perpendicular to frid plate body (1) of one side equipartition of frid plate body (1), ventilation frid (2) are Z shape structure, its characterized in that: follow the winding mounting groove (3) with ventilation slotted vane (2) equivalent are evenly seted up to frid plate body (1) inner edge, winding mounting groove (3) are including opening winding installation notch (302) towards frid plate body (1) inner edge centre of a circle, winding installation notch (302) are bilateral symmetry's U-shaped structure, in U-shaped piece (303) of each winding installation notch (302) embedded joint piece and winding installation notch (302) shape looks adaptation, U-shaped piece (303) perpendicular to frid plate body (1), the tank bottom of winding mounting groove (3) is connected to the one end of ventilation slotted vane (2), and the other end of ventilation slotted vane (2) upwards extends and forms the clearance with the outer fringe of frid plate body (1).
2. The stator ventilation slot plate for the scattered winding coil as claimed in claim 1, wherein the slot bottom of the winding installation slot (3) is in a circular arc structure, and the slot walls at both sides of the winding installation slot (3) are inclined outwards from the opening of the winding installation slot (3) by α degrees.
3. The stator air duct plate for a random coil as claimed in claim 2, wherein the α angle is in the range of 2 ° to 6 °.
4. A stator vent slot plate for a loose-winding coil as defined in claim 1, wherein: the outer edge of the groove plate body (1) is provided with a plurality of rectangular notches (4) which are uniformly distributed.
5. A stator vent slot plate for a loose-winding coil as defined in claim 1, wherein: one end, connected with the winding installation groove (3), of the ventilation slot piece (2) is a first straight edge (201), and the first straight edge (201) and the center line (301) of the winding installation groove (3) are coaxially arranged.
6. A stator vent slot plate for a loose-winding coil as defined in claim 5, wherein: one end of the ventilation groove piece (2) extending towards the outer edge of the groove plate body (1) is a second straight edge (202), and the second straight edge (202) is parallel to the first straight edge (201).
7. The stator air vent slot plate for the scattered winding coil is characterized in that a first straight edge (201) and a second straight edge (202) of the air vent slot plate (2) are connected through an inclined edge (203), and the included angle between the inclined edge (203) and the first straight edge (201) is β degrees.
8. The stator vent slot plate for a loose-winding coil as set forth in claim 7, wherein said angle β is in the range of 125 ° to 145 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487791.XU CN210431035U (en) | 2019-09-06 | 2019-09-06 | Stator ventilation slot plate for scattered winding coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487791.XU CN210431035U (en) | 2019-09-06 | 2019-09-06 | Stator ventilation slot plate for scattered winding coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210431035U true CN210431035U (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921487791.XU Active CN210431035U (en) | 2019-09-06 | 2019-09-06 | Stator ventilation slot plate for scattered winding coil |
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| Country | Link |
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| CN (1) | CN210431035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864931A (en) * | 2020-06-28 | 2020-10-30 | 浙江运达风电股份有限公司 | Direct-cooling generator stator core front-mounted ventilation slot plate structure |
-
2019
- 2019-09-06 CN CN201921487791.XU patent/CN210431035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864931A (en) * | 2020-06-28 | 2020-10-30 | 浙江运达风电股份有限公司 | Direct-cooling generator stator core front-mounted ventilation slot plate structure |
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