CN109326429B - Magnetic shielding clamp for shunt reactor - Google Patents
Magnetic shielding clamp for shunt reactor Download PDFInfo
- Publication number
- CN109326429B CN109326429B CN201811412827.8A CN201811412827A CN109326429B CN 109326429 B CN109326429 B CN 109326429B CN 201811412827 A CN201811412827 A CN 201811412827A CN 109326429 B CN109326429 B CN 109326429B
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- China
- Prior art keywords
- bottom plate
- channel steel
- magnetic shielding
- shunt reactor
- plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Silicon Compounds (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention relates to a magnetic shielding clamp of a parallel reactor, which comprises a bottom plate, wherein a positioning forming block is arranged at the position, close to the top surface of the bottom plate, of the bottom plate; clamping devices are further arranged on the periphery of the bottom plate; the clamping device comprises a left channel steel arranged on the left side of the bottom plate and a right channel steel arranged on the right side of the bottom plate; the front ends of the left channel steel and the right channel steel are positioned in front of the bottom plate and are connected with the nut locking piece through a pull rod; the rear ends of the left channel steel and the right channel steel are positioned behind the bottom plate and are also connected with the nut locking piece through a pull rod; a front backup plate is fixed at the front end of the bottom plate through a pin and bolt fastener; and the left end of the bottom plate is fixed with a left backup plate through a pin and bolt fastener. The magnetic shielding clamp for the shunt reactor disclosed by the invention has the advantages that the magnetic shielding stacking is ensured to be tidy, the overall dimension is effectively controlled, glue brushing and curing between sheets are tight, and the overall mechanical strength of the magnetic shielding is ensured.
Description
Technical Field
The invention relates to the field of reactors, in particular to a magnetic shielding clamp for a parallel reactor.
Background
The core problem of the shunt reactor is magnetic leakage and vibration, and the main fault in actual operation is local overheating caused by the magnetic leakage flux. In order to overcome local overheating, the shunt reactor adopts an omnibearing magnetic leakage shielding system, the magnetic leakage flux of the main air channel area of the outer surface of the iron core column and the inner surface of the coil is maximum, and in order to cover the area of the main air channel to the maximum extent, the magnetic shielding of the reactor body adopts a multi-step structure; the multi-step magnetic shield adopts silicon steel sheets with different lengths to be vertically stacked one by one, in order to ensure the integral mechanical strength of the magnetic shield, glue infiltration bonding is needed among the silicon steel sheets, and all the silicon steel sheets form a whole after bonding. Because the silicon steel sheets are soft, the required shape can not be achieved after the silicon steel sheets are mutually bonded, and the stacking size can not be controlled. The invention solves the problems that the multi-step magnetic shield is regular in shape after being manufactured and has enough mechanical strength after being solidified.
Disclosure of Invention
In order to solve the technical problems, the invention provides a magnetic shielding clamp for a shunt reactor, which ensures that magnetic shielding stacking is orderly, the overall dimension is effectively controlled, glue brushing and curing between sheets are tight, and the overall mechanical strength of the magnetic shielding is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows: a magnetic shielding clamp of a shunt reactor comprises a bottom plate, wherein a positioning forming block is arranged at the position, close to the top surface of the bottom plate, of the bottom plate; clamping devices are further arranged on the periphery of the bottom plate; the clamping device comprises a left channel steel arranged on the left side of the bottom plate and a right channel steel arranged on the right side of the bottom plate; the front ends of the left channel steel and the right channel steel are positioned in front of the bottom plate and are connected with the nut locking piece through a pull rod; the rear ends of the left channel steel and the right channel steel are positioned behind the bottom plate and are also connected with the nut locking piece through a pull rod; a front backup plate is fixed at the front end of the bottom plate through a pin and bolt fastener; and the left end of the bottom plate is fixed with a left backup plate through a pin and bolt fastener.
The front of the positioning forming block is provided with a stepped structure for adapting to magnetic shielding, and the top surface of the bottom plate is formed into a magnetic shielding forming surface except the position of the positioning forming block.
And a right base plate is arranged between the right end of the bottom plate and the right channel steel.
The bottom surface of the bottom plate is also provided with feet.
The invention has the beneficial effects that: the magnetic shielding clamp for the shunt reactor disclosed by the invention has the advantages that the magnetic shielding stacking is ensured to be tidy, the overall dimension is effectively controlled, glue brushing and curing between sheets are tight, and the overall mechanical strength of the magnetic shielding is ensured.
Drawings
FIG. 1 is a schematic diagram of a top view of a shunt reactor magnetic shield clamp of an embodiment;
fig. 2 is a schematic front view of a shunt reactor magnetic shield jig of the embodiment.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 and fig. 2, the present embodiment provides a magnetic shielding clamp for a shunt reactor, which includes a bottom plate 1, wherein a positioning forming block 2 is arranged at a position above the top surface of the bottom plate 1; clamping devices are further arranged on the periphery of the bottom plate 1; the clamping device comprises a left channel steel 3 arranged on the left side of the bottom plate and a right channel steel 4 arranged on the right side of the bottom plate; the front ends of the left channel steel 3 and the right channel steel 4 are positioned in front of the bottom plate 1 and are connected with a nut locking piece 6 through a pull rod 5; the rear ends of the left channel steel 3 and the right channel steel 4 are positioned behind the bottom plate 1 and are also connected with a nut locking piece 6 through a pull rod 5; a front backup plate 8 is fixed at the front end of the bottom plate 1 through a pin 10 and a bolt fastener 11; a left backup plate 9 is fixed at the left end of the bottom plate 1 through a pin 10 and a bolt fastener 11; the front of the positioning forming block 2 is provided with a stepped structure adapted to magnetic shielding, and the top surface of the bottom plate 1 except the positioning forming block 2 forms a magnetic shielding forming surface; a right base plate 7 is arranged between the right end of the bottom plate 1 and the right channel steel 4; the bottom surface of the bottom plate 1 is also provided with feet 12.
The magnetic shielding clamp for the shunt reactor is characterized in that silicon steel sheets with different sizes are subjected to brush glue splicing by using a stepped structure of a positioning forming block as a size standard, a complete magnetic shielding 13 is formed after splicing forming, a clamping device is adopted for tensioning and locking, solidification is carried out, and in a solidification process, the size is effectively controlled, and the silicon steel sheets are guaranteed to be solidified tightly.
The shunt reactor magnetic shielding clamp guarantees that magnetic shielding stacking is neat, effectively controls the overall dimension, and brushing glue curing between sheets is tight, and guarantees the overall mechanical strength of magnetic shielding.
The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a shunt reactor magnetism shielding anchor clamps which characterized in that: the device comprises a bottom plate, wherein a positioning forming block is arranged at the position, close to the top surface of the bottom plate, of the bottom plate; clamping devices are further arranged on the periphery of the bottom plate; the clamping device comprises a left channel steel arranged on the left side of the bottom plate and a right channel steel arranged on the right side of the bottom plate; the front ends of the left channel steel and the right channel steel are positioned in front of the bottom plate and are connected with the nut locking piece through a pull rod; the rear ends of the left channel steel and the right channel steel are positioned behind the bottom plate and are also connected with the nut locking piece through a pull rod; a front backup plate is fixed at the front end of the bottom plate through a pin and bolt fastener; a left backup plate is fixed at the left end of the bottom plate through a pin and bolt fastener; the front of the positioning forming block is provided with a stepped structure for adapting to magnetic shielding, and the top surface of the bottom plate is formed into a magnetic shielding forming surface except the position of the positioning forming block.
2. The shunt reactor magnetic shielding clamp according to claim 1, characterized in that: and a right base plate is arranged between the right end of the bottom plate and the right channel steel.
3. The shunt reactor magnetic shielding clamp according to claim 1, characterized in that: the bottom surface of the bottom plate is also provided with feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412827.8A CN109326429B (en) | 2018-11-23 | 2018-11-23 | Magnetic shielding clamp for shunt reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412827.8A CN109326429B (en) | 2018-11-23 | 2018-11-23 | Magnetic shielding clamp for shunt reactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109326429A CN109326429A (en) | 2019-02-12 |
| CN109326429B true CN109326429B (en) | 2020-03-31 |
Family
ID=65257792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811412827.8A Active CN109326429B (en) | 2018-11-23 | 2018-11-23 | Magnetic shielding clamp for shunt reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109326429B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203118741U (en) * | 2012-12-31 | 2013-08-07 | 吴江市变压器厂有限公司 | Magnetic shield clamp |
| WO2017159163A1 (en) * | 2016-03-17 | 2017-09-21 | 株式会社日立産機システム | Amorphous transformer and laminated core used in same |
| CN106783097A (en) * | 2017-02-22 | 2017-05-31 | 山东输变电设备有限公司 | Reactor body magnetic leakage shielding structure |
| CN206541727U (en) * | 2017-02-22 | 2017-10-03 | 山东输变电设备有限公司 | reactor body magnetic leakage shielding structure |
| CN108022741A (en) * | 2017-12-26 | 2018-05-11 | 铜陵三佳变压器科技股份有限公司 | A kind of transformer magnetic screen fixture |
| CN208938792U (en) * | 2018-11-23 | 2019-06-04 | 吴江变压器有限公司 | A kind of shunt reactor magnetic screen fixture |
-
2018
- 2018-11-23 CN CN201811412827.8A patent/CN109326429B/en active Active
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| Publication number | Publication date |
|---|---|
| CN109326429A (en) | 2019-02-12 |
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