Stator punching sheet of high-voltage generator
By adopting a high-voltage generator stator punching sheet with a fan-shaped structure, the problems of complex processing technology, low material utilization and poor ventilation and heat dissipation effects in the prior art are solved, and the material utilization rate is improved, the production cost is reduced and the ventilation and heat dissipation effect is improved.
Patent Information
- Application Number
- CN202420901683.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The whole circle structure of the existing generator stator punching sheet leads to complex processing technology, low material utilization rate, high production cost, unstable installation of the ventilation groove plate, and poor ventilation and heat dissipation effect.
The stator punching sheet of a high-voltage generator adopts a fan-shaped structure, including 12 evenly distributed stator punching grooves and 12 radially arranged stator ventilation grooves, are fixedly connected through the slot insertion holes to form a radial air duct to improve ventilation and heat dissipation effect.
The utilization rate of silicon steel sheet materials has been improved, production costs have been reduced, processing technology has been simplified, ventilation and heat dissipation effect and production efficiency have been improved.
Smart Images
Figure CN222620746U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a generator, in particular to a stator punching sheet of a high-voltage generator. Background Art
[0002] The stator laminations of conventional generators are all full-circle or full-circle structures. As the power of the generator increases, the outer diameter of the stator laminations becomes larger and larger, which makes the overall processing technology more difficult, the utilization rate of silicon steel sheets is low, and the production cost is high. The stator laminations are key components of the motor. Their materials, inner and outer circle dimensions, ventilation structure, etc. have a direct impact on the efficiency and temperature rise of the motor. The existing stator radial ventilation structure adopts a stator ventilation slot plate structure. The stator ventilation slot plate adopts 0.5-1mm steel plate material, and the I-beam is welded on the ventilation slot plate. The process is complicated, the work intensity is high, and the welding is unreliable. Utility Model Content
[0003] The applicant has conducted research and improvement to solve the above problems and provided a high-voltage generator stator punching sheet with simple and compact structure, high silicon steel sheet material utilization, reduced production cost, reliable ventilation slot plate installation, improved production efficiency, and good ventilation and heat dissipation effects.
[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:
[0005] A high-voltage generator stator sheet comprises a stator sheet body, wherein the stator sheet body is fan-shaped, and the fan-shaped central angle of the stator sheet body is 60°; 12 stator sheet slots are arranged on the inner circle of the stator sheet body, and the stator sheet slots are evenly distributed; a trapezoidal groove and a trapezoidal protrusion are respectively arranged on both sides of the yoke of the stator sheet body, and the shape and size of the groove and the protrusion are the same; 12 slot insert holes are evenly arranged on the yoke of the stator sheet body, and 12 radially arranged stator ventilation slots are perpendicular to the stator sheet body and are fixedly connected to the stator sheet body through the slot insert holes.
[0006] Further:
[0007] The slot inserting hole is rectangular, and the stator ventilation slot is provided with a rectangular plug pin which is the same as the slot inserting hole, and the plug pin is inserted into the slot inserting hole.
[0008] The technical effects of the utility model are:
[0009] The utility model discloses a high-voltage generator stator punching sheet with simple and compact structure, high silicon steel sheet material utilization rate, reduced production cost, reliable ventilation slot plate installation, improved production efficiency, and good ventilation and heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0011] Figure 2 It is a schematic diagram of the structure of the stator punching body. DETAILED DESCRIPTION
[0012] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.
[0013] like Figure 1 , 2 As shown, it includes a stator sheet body 1, which is fan-shaped, and the fan-shaped central angle α of the stator sheet body 1 is 60°. There are 12 stator sheet slots 2 on the inner circle of the stator sheet body 1, and the stator sheet slots 2 are evenly distributed; a trapezoidal groove 4 and a trapezoidal protrusion 5 are respectively provided on both sides of the yoke of the stator sheet body 1, and the groove 4 and the protrusion 5 have the same shape and size; 12 slot sheet insertion holes 3 are evenly provided on the yoke of the stator sheet body 1, and 12 radially arranged stator ventilation slots 6 are perpendicular to the stator sheet body 1 and are fixedly connected to the stator sheet body 1 through the slot sheet insertion holes 3, and a radial air duct is formed between the two stator ventilation slots 6. In this embodiment, the slot sheet insertion hole 3 is rectangular, and the stator ventilation slot sheet 6 is provided with a rectangular plug pin (not drawn in the figure) identical to the slot sheet insertion hole 3, and the stator ventilation slot sheet 6 is fixedly connected to the stator sheet body 1 through the plug pin inserted into the slot sheet insertion hole 3.
[0014] In actual use, six stator punching sheets are connected to form a complete stator circular structure, and two adjacent stator punching sheets are positioned and connected to each other through trapezoidal grooves 4 and trapezoidal protrusions 5. Such a structure can improve the utilization rate of silicon steel sheet materials and reduce production costs. Multiple layers of stator punching sheets are stacked to form a stator core, and the radial air duct formed between the stator ventilation slot sheet 6 and the stator punching sheet body 1 improves the ventilation and heat dissipation effect.
Claims
1. A high voltage generator stator punching sheet, characterized in that: The invention comprises a stator sheet body, which is fan-shaped, and the central angle of the fan-shaped stator sheet body is 60°; 12 stator sheet slots are arranged on the inner circle of the stator sheet body, and the stator sheet slots are evenly distributed; a trapezoidal groove and a trapezoidal protrusion are respectively arranged on both sides of the yoke of the stator sheet body, and the shape and size of the groove and the protrusion are the same; 12 slot inserting holes are evenly arranged on the yoke of the stator sheet body, and 12 radially arranged stator ventilation slots are perpendicular to the stator sheet body and are fixedly connected to the stator sheet body through the slot inserting holes respectively.
2. The high voltage generator stator punching sheet according to claim 1, characterized in that: The slot inserting hole is rectangular, and the stator ventilation slot is provided with a rectangular plug pin which is the same as the slot inserting hole, and the plug pin is inserted into the slot inserting hole.