Corona-resistant insulation structure of high-voltage motor
By adopting a structure including a motor case, a rotating rod, an insulating belt, a protective layer and a limiting column in a high-voltage motor, combined with the design of insulating paint and semiconductor paint, the problem of poor insulation effect in the prior art is solved, and the problem of poor insulation effect is achieved. Better corona protection effect improves the safety and reliability of the equipment.
Patent Information
- Application Number
- CN202421116588.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The insulation effect of the existing high-voltage motor anti-corona insulation structure is not ideal enough, and it cannot effectively prevent the spread of corona, affecting the safety and reliability of the equipment.
Adopt a structure including a motor case, a rotating rod, an insulating belt, a protective layer and a limiting column. The protective layer is built-in insulating paint and semiconductor paint. The design of the limiting column ensures that the insulating belt is closely attached to the motor case and achieves good insulation. Effect.
It significantly improves the anti-corona insulation effect of high-voltage motors, enhances the anti-discharge capability of the equipment, and ensures higher safety and reliability.
Smart Images
Figure CN222356095U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of high-voltage motor anti-corona insulation structure, in particular to a high-voltage motor anti-corona insulation structure. Background Art
[0002] Because the uneven conductor produces an extremely uneven electric field, when the voltage rises to a certain value around the uneven electric field and near the electrode with a small curvature radius, discharge will occur due to the ionization of air, forming corona. In order to prevent the corona problem from harming the winding, some necessary measures will be taken during the production and manufacturing process of high-voltage motors to alleviate the spread of the corona problem, such as wrapping the high-voltage motor coil with sufficiently thick insulating material, adding resistance belts to the outside of the coil, and using stator wind shields, anti-corona paints, etc. Insulating materials are generally installed now, so it is necessary to set up a high-voltage motor anti-corona insulation structure.
[0003] When the anti-corona insulation structure of the high-voltage motor is used, a simple insulation structure is generally installed in the prior art, so that the insulation effect thereof does not meet expectations. Utility Model Content
[0004] The utility model aims to provide a high-voltage motor anti-corona insulation structure, which has a good anti-corona insulation effect.
[0005] In order to achieve the above-mentioned purpose, a high-voltage motor anti-corona insulation structure is provided, including a motor shell, a rotating rod is arranged on one side of the motor shell, an insulating belt is arranged on the outside of the rotating rod, a protective layer is arranged on one side of the insulating belt, and the protective layer includes insulating paint.
[0006] According to the anti-corona insulation structure of the high-voltage motor, a semiconductor paint is laminated on the inner wall of the insulating paint.
[0007] According to the anti-corona insulation structure of the high-voltage motor, the first limiting column and the second limiting column are symmetrically rotatably connected on both sides of the rotating rod.
[0008] According to the anti-corona insulation structure of the high-voltage motor, a fixing plate is fixedly connected to one side of the first limiting column.
[0009] Beneficial effects:
[0010] A fixed plate is fixedly connected to one side of the motor housing, a first limiting column is fixedly connected to one side of the fixed plate, a second limiting column is arranged on one side of the first limiting column, a rotating rod is rotatably connected between the first limiting column and the second limiting column, an insulating belt is rotatably connected to the outer side of the rotating rod, a protective layer is arranged on one side of the rotating rod, the protective layer includes insulating paint and semiconductor paint, so that it has a good anti-corona insulation effect.
[0011] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0013] Figure 1 A three-dimensional diagram of the anti-corona insulation structure of the high-voltage motor proposed by the utility model;
[0014] Figure 2 It is a cross-sectional view between the protective layer and the motor shell of the high-voltage motor anti-corona insulation structure proposed by the utility model;
[0015] Figure 3 A schematic diagram of the structure of the outer side of the rotating rod of the anti-corona insulation structure of the high-voltage motor proposed by the utility model;
[0016] Figure 4 This is a schematic structural diagram of the protective layer of the anti-corona insulation structure of the high-voltage motor proposed by the utility model;
[0017] Figure 5 The utility model proposed Figure 1 Schematic diagram of the structure at A in the middle.
[0018] Legend:
[0019] 1. Motor housing; 2. Protective layer; 3. Insulating paint; 4. Semiconductor paint; 5. Fixed plate; 6. First limiting column; 7. Rotating rod; 8. Second limiting column; 9. Insulating tape. DETAILED DESCRIPTION
[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0021] Reference Figure 1-5 An anti-corona insulation structure for a high-voltage motor according to an embodiment of the utility model comprises a motor housing 1, a rotating rod 7 is arranged on one side of the motor housing 1, an insulating tape 9 is arranged on the outer side of the rotating rod 7, a protective layer 2 is arranged on one side of the insulating tape 9, the motor housing 1 is arranged between the insulating tape 9 and the protective layer, and the protective layer 2 comprises an insulating paint 3.
[0022] The inner wall of the insulating varnish 3 is fitted with a semiconductor varnish 4, which provides it with a good anti-corona effect.
[0023] The rotating rod 7 is symmetrically connected to the first limit column 6 and the second limit column 8 on both sides. The first limit column 6 and the second limit column 8 provide a limiting effect on the insulating tape 9 after installation, and can be rotated to stick to the insulating tape 9 for insulation. The function of the rotating rod 7 is to roll up the insulating tape and pull it out to apply it to the outer wall of the motor housing 1.
[0024] A fixing plate 5 is fixedly connected to one side of the first limiting column 6 , and the fixing plate 5 is used for mounting the first limiting column 6 .
[0025] Working principle: After the device is installed, a fixing plate 5 is fixedly connected to one side of the motor housing 1, a first limiting column 6 is fixedly connected to one side of the fixing plate 5, a second limiting column 8 is arranged on one side of the first limiting column 6, a rotating rod 7 is rotatably connected between the first limiting column 6 and the second limiting column 8, an insulating belt 9 is rotatably connected to the outer side of the rotating rod 7, a protective layer 2 is arranged on one side of the rotating rod 7, the protective layer 2 includes insulating paint 3 and semiconductor paint 4, so that it has a good anti-corona insulation effect.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A high voltage motor anti-corona insulation structure, comprising a motor housing (1), characterized in that: A rotating rod (7) is arranged on one side of the motor housing (1), an insulating tape (9) is arranged on the outside of the rotating rod (7), a protective layer (2) is arranged on one side of the insulating tape (9), and the protective layer (2) includes insulating paint (3).
2. The high voltage motor anti-corona insulation structure according to claim 1, characterized in that: The inner wall of the insulating varnish (3) is bonded with a semiconductor varnish (4).
3. The high voltage motor anti-corona insulation structure according to claim 1, characterized in that: The rotating rod (7) is symmetrically rotatably connected to a first limiting column (6) and a second limiting column (8) on both sides.
4. The high voltage motor anti-corona insulation structure according to claim 3, characterized in that: A fixing plate (5) is fixedly connected to one side of the first limiting column (6).