CN210837446U - Air reactor with low magnetic leakage - Google Patents
Air reactor with low magnetic leakage Download PDFInfo
- Publication number
- CN210837446U CN210837446U CN201921921403.4U CN201921921403U CN210837446U CN 210837446 U CN210837446 U CN 210837446U CN 201921921403 U CN201921921403 U CN 201921921403U CN 210837446 U CN210837446 U CN 210837446U
- Authority
- CN
- China
- Prior art keywords
- iron core
- core sheet
- sheet
- rod
- annular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model relates to an air reactor with low magnetic leakage, which comprises an air coil and a cross sheet type iron core surrounding the periphery of the air coil; the cross-plate type iron core is wrapped on the upper side, the left side, the lower side and the right side of the hollow coil; the cross-sheet type iron core comprises a plurality of annular iron core sheet groups which are stacked front and back; each annular iron core sheet group comprises a plurality of iron core sheets, the iron core sheets are sequentially connected end to form an annular shape, and a splicing part is formed between every two adjacent iron core sheets; in the front-back direction, the iron core sheets of the annular iron core sheet group cover the splicing part of the adjacent annular iron core sheet group; the magnetic flux leakage of the air reactor is reduced, the heat energy loss is reduced, the local overheating and discharging phenomena are avoided, the performance of the iron core is greatly improved, and the stacking mode is convenient to operate, convenient for batch production and beneficial to popularization and application.
Description
Technical Field
The utility model belongs to the technical field of a reactor technique and specifically relates to indicate an air-core reactor of low magnetic leakage.
Background
The existing air reactor has strong anti-saturation capacity, large volume and large magnetic leakage, but is limited by magnetic leakage, and the applicable occasions are limited, and the air reactor can only be used outdoors or in other places far away from crowds.
Along with the development of technology, to the big problem of magnetic leakage, traditional air-core reactor has adopted the shielding layer, but it is not ideal to reduce the magnetic leakage effect, moreover, with high costs, the troublesome poeration, difficult batch production is unfavorable for popularizing and applying.
Therefore, in the present patent application, the applicant has studied an air-core reactor with low magnetic leakage elaborately to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to above-mentioned prior art exists, main aim at provides an air-core reactor of low magnetic leakage, and its to a great extent reduces air-core reactor's magnetic leakage, reduces the heat energy loss, avoids local overheat and discharge phenomenon, improves the performance unshakable in one's determination greatly, and in addition, its pile up mode convenient operation, the mass production of also being convenient for is favorable to popularizing and applying.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an air reactor with low magnetic leakage comprises an air coil and a cross-sheet iron core surrounding the periphery of the air coil; the cross-plate type iron core is wrapped on the upper side, the left side, the lower side and the right side of the hollow coil;
the cross-sheet type iron core comprises a plurality of annular iron core sheet groups which are stacked front and back; each annular iron core sheet group comprises a plurality of iron core sheets, the iron core sheets are sequentially connected end to form an annular shape, and a splicing part is formed between every two adjacent iron core sheets; in the front-back direction, the iron core sheets of the annular iron core sheet group cover the splicing part of the adjacent annular iron core sheet group.
As a preferred scheme, each annular iron core sheet group comprises four iron core sheets, and each iron core sheet is in a rectangular sheet shape; two adjacent annular core sheet groups:
four iron core sheets of an annular iron core sheet group are defined as first to fourth iron core sheets, the inner side of the tail end part of the first iron core sheet is spliced to the head end surface of the second iron core sheet, the inner side of the tail end part of the second iron core sheet is spliced to the head end surface of the third iron core sheet, the inner side of the tail end part of the third iron core sheet is spliced to the head end surface of the fourth iron core sheet, and the inner side of the tail end part of the fourth iron core sheet is spliced to the head end surface of the first iron core sheet;
the four iron core sheets of the other annular iron core sheet group are defined as fifth to eighth iron core sheets, the tail end surface of the fifth iron core sheet is spliced at the inner side of the head end part of the sixth iron core sheet, the tail end surface of the sixth iron core sheet is spliced at the inner side of the head end part of the seventh iron core sheet, the tail end surface of the seventh iron core sheet is spliced at the inner side of the head end part of the eighth iron core sheet, and the tail end surface of the eighth iron core sheet is spliced at the inner side of the head end part of the fifth iron core sheet.
As a preferred scheme, the core sheets are silicon steel sheets.
Preferably, the annular core sheet group is a rectangular ring.
As a preferred scheme, the device also comprises a first rod body, a second rod body, a third rod body, a fourth rod body and four clamping plates with L-shaped cross sections, wherein each clamping plate is provided with a first side edge and a second side edge perpendicular to the first side edge, and the four clamping plates are respectively defined as a first clamping plate to a fourth clamping plate;
the front end and the rear end of the cross-piece type iron core are respectively limited between the second side edge of the first clamping plate and the second side edge of the second clamping plate, and between the second side edge of the third clamping plate and the second side edge of the fourth clamping plate;
the left end part and the right end part of the hollow coil are respectively connected with a left insulating end plate and a right insulating end plate, and the hollow coil is clamped between the left insulating end plate and the right insulating end plate; the left end of the left insulating end plate is respectively limited by the first side edge of the third clamping plate and the first side edge of the fourth clamping plate, and the right end of the right insulating end plate is respectively limited by the first side edge of the first clamping plate and the first side edge of the second clamping plate;
the utility model discloses a clamp for fixing a pole, including first splint, the first side of fourth splint is connected to first body of rod, the first side of first splint is connected to first body of rod, right side insulating end plate, left side insulating end plate that first splint were passed in proper order to the first body of rod, the both ends of the first body of rod are equipped with first fastening nut, the second body of rod passes the first side of second splint, the first side of right side insulating end plate, left side insulating end plate connection third splint in proper order, the both ends of the second body of rod are equipped with second fastening nut, the second side that the second splint are connected to the second side that the third body of rod passed first splint, the both ends of the third body of rod are equipped with third fastening nut, the second side that the fourth body of rod passed fourth splint is connected to the second side, the both ends.
Preferably, the first lateral edge of each cleat is connected to the second lateral edge by a reinforcing rib.
As a preferred scheme, cushion blocks are arranged between adjacent hollow coils, between the hollow coils and the left insulating end plate and between the hollow coils and the right insulating end plate.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly: the iron core sheets of the annular iron core sheet group cover the splicing part of the adjacent annular iron core sheet group in the front-rear direction, the magnetic flux leakage of the air-core reactor is reduced, the heat energy loss is reduced, the local overheating and discharging phenomena are avoided, the performance of the iron core is greatly improved, and the laminating mode is convenient to operate, is convenient for batch production and is beneficial to popularization and application;
secondly, the stability of the front and back lamination of a plurality of annular iron core sheet groups, the stability of installation between insulating end plates and the stability between a cross sheet type iron core and the insulating end plates are ensured through the matching design of a plurality of rod bodies and a plurality of fastening nuts;
and the whole structure design is ingenious and reasonable, all parts are convenient and firm to assemble, and the stability and the reliability of the air reactor in the using process are ensured.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a side view of an embodiment of the invention;
fig. 3 is a top view of an embodiment of the present invention;
fig. 4 is a front view of a cross-sheet type core according to an embodiment of the present invention;
fig. 5 is a front view of one of two adjacent annular core pieces according to the embodiment of the present invention;
FIG. 6 is an exploded view of FIG. 5;
fig. 7 is a front view of another of two adjacent annular core pieces in accordance with an embodiment of the present invention;
fig. 8 is an exploded view of fig. 7.
The reference numbers illustrate:
10. air-core coil
20. Cross-piece type iron core
21. First core sheet 211, head end surface
212. Inside of the tail end
22. Second core piece 221, head end face
222. Inside of the tail end
23. Third core sheet 231, head end surface
232. Inside of the tail end
24. Fourth core segment 241, head end face
242. Inside of the tail end
25. Fifth core segment 251, end face
252. Inside of head end
26. Sixth core piece 261, end face
262. Inside of head end
27. Seventh core segment 271, end face
272. Inside of head end
28. The eighth iron core sheet 281 and the end surface
282. Inside of head end
31. Left insulating end plate 32, right insulating end plate
33. Cushion block
41. First rod 411 and first fastening nut
42. Second rod 421 and second fastening nut
43. Third rod body 431 and third fastening nut
44. Fourth rod body 441 and fourth fastening nut
501. A first side 502 and a second side
503. Reinforcing rib
51. A first clamping plate 52 and a second clamping plate
53. A third jaw 54, a fourth jaw.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 8, an air core reactor with low leakage flux is mainly used in a direct current circuit. Comprises a hollow coil 10 and a cross-plate type core 20 surrounding the hollow coil 10; the air core coil 10 has a hollow cavity penetrating left and right, and the cross-plate type core 20 is wrapped on the upper side, the left side, the lower side and the right side of the air core coil 10;
the cross-plate type core 20 includes a plurality of annular core pieces stacked in front and rear; each annular iron core sheet group comprises a plurality of iron core sheets, and preferably, the annular iron core sheet group is a rectangular ring; the iron core sheet is a silicon steel sheet. The iron core sheets are sequentially connected end to form a ring shape, and splicing parts are formed between the adjacent iron core sheets; in the front-back direction, the iron core sheets of the annular iron core sheet group cover the splicing part of the adjacent annular iron core sheet group.
In this embodiment, each annular core sheet group includes four core sheets, and each core sheet is rectangular sheet-shaped; two adjacent annular core sheet groups:
four core sheets of one annular core sheet group are defined as first to fourth core sheets, the tail end inner side 212 of the first core sheet 21 is spliced to the head end surface 221 of the second core sheet 22, the tail end inner side 222 of the second core sheet is spliced to the head end surface 231 of the third core sheet 23, the tail end inner side 232 of the third core sheet 23 is spliced to the head end surface 241 of the fourth core sheet 24, and the tail end inner side 242 of the fourth core sheet 24 is spliced to the head end surface 211 of the first core sheet 21;
the four core segments of the other annular core segment group are defined as the fifth to eighth core segments, the tail end face 251 of the fifth core segment 25 is spliced to the head end portion inner side 262 of the sixth core segment 26, the tail end face 261 of the sixth core segment 26 is spliced to the head end portion inner side 272 of the seventh core segment 27, the tail end face 271 of the seventh core segment 27 is spliced to the head end portion inner side 282 of the eighth core segment 28, and the tail end face 281 of the eighth core segment 28 is spliced to the head end portion inner side 252 of the fifth core segment 25.
In this embodiment, a first rod 41, a second rod 42, a third rod 43, a fourth rod 44 and four clamping plates with L-shaped cross sections are further included, each clamping plate has a first side 501 and a second side 502 perpendicular to the first side 501, the four clamping plates are respectively defined as the first clamping plate 51 to the fourth clamping plate 54, and preferably, the first side 501 of each clamping plate is connected to the second side 502 by a rib 503.
The front and rear ends of the cross-plate type core are respectively limited between the second side 502 of the first clamping plate 51 and the second side 502 of the second clamping plate 52, and between the second side 502 of the third clamping plate 53 and the second side 502 of the fourth clamping plate 54;
the left and right end parts of the air core coil 10 are respectively connected with a left insulating end plate 31 and a right insulating end plate 32, and preferably, cushion blocks 33 are arranged between the adjacent air core coils 10, between the air core coil 10 and the left insulating end plate 31, and between the air core coil 10 and the right insulating end plate 32. The hollow coil 10 is clamped between a left insulating end plate 31 and a right insulating end plate 32; the left end of the left insulating end plate 31 is limited by the first side 501 of the third clamping plate 53 and the first side 501 of the fourth clamping plate 54, respectively, and the right end of the right insulating end plate 32 is limited by the first side 501 of the first clamping plate 51 and the first side 501 of the second clamping plate 52, respectively;
first body of rod 41 passes first side 501, right side insulation end plate 32, the first side 501 that fourth splint 54 is connected to left side insulation end plate 31 of first splint 51 in proper order, the both ends of first body of rod 41 are equipped with first fastening nut 411, first side 501, right side insulation end plate 32, the first side 501 that third splint 53 is connected to left side insulation end plate 31 that second splint 52 is passed in proper order to second body of rod 42, the both ends of second body of rod 42 are equipped with second fastening nut 421, third body of rod 43 passes second side 502 that second splint 52 is connected to first splint 51, the both ends of third body of rod 43 are equipped with third fastening nut 431, fourth body of rod 44 passes second side 502 that third splint 53 is connected to fourth splint 54, the both ends of fourth body of rod 44 are equipped with fourth fastening nut 441.
The utility model has the design key points that the iron core sheets are wrapped in the hollow coil after being laminated front and back by a plurality of annular iron core sheet groups, and the plurality of iron core sheets are sequentially connected end to form a ring shape, in the front and back direction, the iron core sheets of the annular iron core sheet groups cover the splicing parts of the adjacent annular iron core sheet groups, thereby reducing the magnetic leakage of the hollow reactor, reducing the heat energy loss, avoiding the local overheating and the discharging phenomenon, greatly improving the performance of the iron core, and being convenient for the laminating mode operation, the mass production and the popularization and the application;
secondly, the stability of the front and back lamination of a plurality of annular iron core sheet groups, the stability of installation between insulating end plates and the stability between a cross sheet type iron core and the insulating end plates are ensured through the matching design of a plurality of rod bodies and a plurality of fastening nuts;
and the whole structure design is ingenious and reasonable, all parts are convenient and firm to assemble, and the stability and the reliability of the air reactor in the using process are ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an air-core reactor of low magnetic leakage which characterized in that: the transformer comprises a hollow coil and a cross-plate type iron core surrounding the periphery of the hollow coil; the cross-plate type iron core is wrapped on the upper side, the left side, the lower side and the right side of the hollow coil;
the cross-sheet type iron core comprises a plurality of annular iron core sheet groups which are stacked front and back; each annular iron core sheet group comprises a plurality of iron core sheets, the iron core sheets are sequentially connected end to form an annular shape, and a splicing part is formed between every two adjacent iron core sheets; in the front-back direction, the iron core sheets of the annular iron core sheet group cover the splicing part of the adjacent annular iron core sheet group.
2. The air-core reactor with low leakage flux according to claim 1, characterized in that: each annular iron core sheet group comprises four iron core sheets, and each iron core sheet is in a rectangular sheet shape; two adjacent annular core sheet groups:
four iron core sheets of an annular iron core sheet group are defined as first to fourth iron core sheets, the inner side of the tail end part of the first iron core sheet is spliced to the head end surface of the second iron core sheet, the inner side of the tail end part of the second iron core sheet is spliced to the head end surface of the third iron core sheet, the inner side of the tail end part of the third iron core sheet is spliced to the head end surface of the fourth iron core sheet, and the inner side of the tail end part of the fourth iron core sheet is spliced to the head end surface of the first iron core sheet;
the four iron core sheets of the other annular iron core sheet group are defined as fifth to eighth iron core sheets, the tail end surface of the fifth iron core sheet is spliced at the inner side of the head end part of the sixth iron core sheet, the tail end surface of the sixth iron core sheet is spliced at the inner side of the head end part of the seventh iron core sheet, the tail end surface of the seventh iron core sheet is spliced at the inner side of the head end part of the eighth iron core sheet, and the tail end surface of the eighth iron core sheet is spliced at the inner side of the head end part of the fifth iron core sheet.
3. The air-core reactor with low leakage flux according to claim 1, characterized in that: the iron core sheet is a silicon steel sheet.
4. The air-core reactor with low leakage flux according to claim 1, characterized in that: the annular iron core sheet group is a rectangular ring.
5. The air-core reactor with low leakage flux according to claim 1, characterized in that: the clamping device also comprises a first rod body, a second rod body, a third rod body, a fourth rod body and four clamping plates with L-shaped cross sections, wherein each clamping plate is provided with a first side edge and a second side edge perpendicular to the first side edge, and the four clamping plates are respectively defined as a first clamping plate to a fourth clamping plate;
the front end and the rear end of the cross-piece type iron core are respectively limited between the second side edge of the first clamping plate and the second side edge of the second clamping plate, and between the second side edge of the third clamping plate and the second side edge of the fourth clamping plate;
the left end part and the right end part of the hollow coil are respectively connected with a left insulating end plate and a right insulating end plate, and the hollow coil is clamped between the left insulating end plate and the right insulating end plate; the left end of the left insulating end plate is respectively limited by the first side edge of the third clamping plate and the first side edge of the fourth clamping plate, and the right end of the right insulating end plate is respectively limited by the first side edge of the first clamping plate and the first side edge of the second clamping plate;
the utility model discloses a clamp for fixing a pole, including first splint, the first side of fourth splint is connected to first body of rod, the first side of first splint is connected to first body of rod, right side insulating end plate, left side insulating end plate that first splint were passed in proper order to the first body of rod, the both ends of the first body of rod are equipped with first fastening nut, the second body of rod passes the first side of second splint, the first side of right side insulating end plate, left side insulating end plate connection third splint in proper order, the both ends of the second body of rod are equipped with second fastening nut, the second side that the second splint are connected to the second side that the third body of rod passed first splint, the both ends of the third body of rod are equipped with third fastening nut, the second side that the fourth body of rod passed fourth splint is connected to the second side, the both ends.
6. The air-core reactor with low leakage magnetic according to claim 5, characterized in that: the first side edge of each clamping plate is connected with the second side edge through a reinforcing rib.
7. The air-core reactor with low leakage magnetic according to claim 6, characterized in that: cushion blocks are arranged between adjacent hollow coils, between the hollow coils and the left insulating end plate and between the hollow coils and the right insulating end plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921403.4U CN210837446U (en) | 2019-11-08 | 2019-11-08 | Air reactor with low magnetic leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921403.4U CN210837446U (en) | 2019-11-08 | 2019-11-08 | Air reactor with low magnetic leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837446U true CN210837446U (en) | 2020-06-23 |
Family
ID=71279395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921921403.4U Active CN210837446U (en) | 2019-11-08 | 2019-11-08 | Air reactor with low magnetic leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837446U (en) |
-
2019
- 2019-11-08 CN CN201921921403.4U patent/CN210837446U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202940112U (en) | Strip-shaped magnetic shielding structure | |
| CN101937758A (en) | Circular-section amorphous alloy iron-core structure | |
| CN205943636U (en) | High -intensity magnetic field subassembly | |
| CN110808153A (en) | Air reactor with low magnetic leakage | |
| CN210837446U (en) | Air reactor with low magnetic leakage | |
| CN202178139U (en) | Two-split rectifier transformer | |
| CN207925251U (en) | Convenient for the transformer core of splicing installation | |
| CN204178858U (en) | EI type transformer | |
| CN103680855A (en) | Built-in converter transformer core pulling plate column ring-current bypass structure | |
| CN204178857U (en) | A kind of transformer | |
| CN201465735U (en) | High-performance energy-conservation environment-protection high-voltage power transformer | |
| CN115083744A (en) | Iron core clamping frame for resin insulation dry type transformer | |
| CN216212760U (en) | Novel high-efficient iron core | |
| CN103268811A (en) | 35KV novel shell type power transformer body structure | |
| CN204289041U (en) | A kind of clamping plate type transformer | |
| CN204596588U (en) | The silicon steel structure of electrical transformer cores side column and center pillar | |
| CN203554106U (en) | Low eddy current loss permanent magnet motor rotor | |
| CN103683602A (en) | Permanent magnet motor rotor with low eddy-current loss | |
| CN218159925U (en) | Pulling plate structure for transformer core | |
| CN209980938U (en) | Transformer body insulation structure | |
| CN203366948U (en) | Transformer | |
| CN221009886U (en) | Coil bracket applied to magnetic induction power generation | |
| CN215731245U (en) | Reactor iron core structure | |
| CN219107160U (en) | Magnetic conduction ring structure of permanent magnet brushless direct current hub motor | |
| CN203706807U (en) | Three-phase five-limb reactor with new structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |