CN209087532U - A kind of five lap connected structure of transformer core - Google Patents
A kind of five lap connected structure of transformer core Download PDFInfo
- Publication number
- CN209087532U CN209087532U CN201822106305.7U CN201822106305U CN209087532U CN 209087532 U CN209087532 U CN 209087532U CN 201822106305 U CN201822106305 U CN 201822106305U CN 209087532 U CN209087532 U CN 209087532U
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- China
- Prior art keywords
- iron core
- core
- connected structure
- silicon steel
- lap connected
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Abstract
The utility model creation discloses a kind of five lap connected structure of transformer core, including core body, the core body is made of the first iron core, the second iron core and third iron core, first iron core, the side of the second iron core and third iron core along its length are fixed to each other by fastening connection piece between any two, first iron core, the second iron core and third iron core are mutually spliced by five silicon steel sheets to be formed, and is fixed to each other between five silicon steel sheets by fastening screw.The first iron core of the utility model, the second iron core and third iron core are mutually spliced by five silicon steel sheets to be formed, five, which splice, compares traditional three and splices, more improve the flowing of magnetic flux, further decrease magnetic resistance, he can make core loss and no-load current, it further decreases, and also improves the mechanical strength of iron core seam crossing.
Description
Technical field
The utility model belongs to transformer core technical field, specially a kind of five lap connected structure of transformer core.
Background technique
Iron core is main magnetic circuit part in transformer.It is usually higher by silicon content, surface be coated with insulated paint hot rolling or
Cold-reduced silicon sheet closed assembly forms.Iron core and complete EM induction system is formed around coil on it.Power transformer transmission
The size of power, depending on the material and cross-sectional area of iron core, the iron core of domestic three-phase power transformer is roughly divided into lamination
Formula iron core and coiled iron core two major classes: laminated core structure, it is formed by the monolithic silicon strip closed assembly of various specifications；Takeup type
Iron core also known as rolls up iron core, it is that the silicon steel tape wrapping not waited by a width forms.
Existing grade laminated transformer core is generally mostly spliced by three silicon steel sheets and is formed, three seam of iron core, and iron core is unloaded
Electric current is big with being lost, and is unable to save the cost, and secondly the various structures of laminated transformer, existing generally to lack mounting structure,
Iron core installation fixation is more troublesome, so can not meet the demand of user.
Utility model content
The purpose of this utility model is that: in order to solve existing grade laminated transformer core, generally mostly by three silicon steel
Piece splices composition, three seam of iron core, and iron core no-load current is big with being lost, and is unable to save the cost, secondly the knot of laminated transformer
Structure multiplicity, existing generally to lack mounting structure, iron core installation fixes the problem of being more troublesome, provides a kind of transformer core five
Lap connected structure.
The technical solution adopted in the utility model is as follows:
A kind of five lap connected structure of transformer core, including core body, the core body is by the first iron core, the second iron core
It is formed with third iron core, first iron core, the side of the second iron core and third iron core along its length pass through tightly between any two
Connected fitting is fixed to each other, and first iron core, the second iron core and third iron core are mutually spliced by five silicon steel sheets to be formed, and
It is fixed to each other between five silicon steel sheets by fastening screw, a kind of five lap connected structure of transformer core, also protection and the change
The triangle fixing seat that five lap connected structure of depressor iron core is used cooperatively, triangle fixing seat upper surface offer triangle at center
Slot, and triangle convex is provided at the center of triangular groove, threaded rod is threaded with by hold-doun nut on the triangle convex,
And limit plate is nested and fixed by casing in the external one end of threaded rod, and the junction of threaded rod and casing is socketed with axis
It holds.
Wherein, core body Mitsubishi rod structure.
Wherein, the cross section of first iron core, the second iron core and third iron core is semicircular structure.
Wherein, three cooperation fastening screws use the is equidistantly offered in the two side arms of the silicon steel sheet along its length
One screw hole.
Wherein, two cooperation fastening screws use the is equidistantly offered in the two side arms of the silicon steel sheet in the width direction
Two screw holes.
Wherein, limiting slot is offered on the two side arms inner surface wall of the silicon steel sheet along its length, and limiting slot opens up altogether
There are four, in pairs.
Wherein, there are three the limit plate is arranged altogether, and three limit plates are distributed in a ring, between adjacent two limit plate
Spacing is equal.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, in the utility model, five lap connected structure of transformer core is by the first iron core, the second iron core and third iron core group
At, and the first iron core, the second iron core and third iron core are mutually spliced by five silicon steel sheets and are formed, five, which splice, compares traditional three
It splices, more improves the flowing of magnetic flux, further decrease magnetic resistance, he can make core loss and no-load current, further drop
It is low, and also improve the mechanical strength of iron core seam crossing.
2, the first screw hole and the second screw rod used for fastening screw is offered in the utility model, on silicon steel sheet
Hole, facilitates the fixation of the first iron core, the second iron core and third iron core made of splicing by five silicon steel sheets, and limiting slot
It opens up, cooperation location structure can limit the silicon steel sheet to splice, facilitate splicing for silicon steel sheet accurate, be convenient for fastening screw
Use, next splice it is fixed after the completion of, will can be used to be fixed to each other between the first iron core, the second iron core and third iron core
The position of limiting slot is arranged in fastener, can limit to fastener, further improves the first iron core, the second iron core
The stability fixed between any two with third iron core.
3, in the utility model, which is additionally provided with triangle fixing seat, by core body card
It closes in the triangular groove opened up in triangle fixing seat, rotation threaded rod drives limit plate to the first iron core, the second iron core and third
Iron core carries out Zhi Jinhang and grips, and then core body can be fixed by Triangulum, so that the triangular prism knot
The core body of structure is fixed very convenient, and the setting of limit plate, can also be to the first iron core, the second iron core and third iron core
It is auxiliarily fixed and supports, improve its intensity.
Detailed description of the invention
Fig. 1 is the structure schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model silicon steel sheet；
Fig. 3 is the structural schematic diagram of the utility model intermediate cam fixing seat.
Marked in the figure: 1, core body；2, the first iron core；3, the second iron core；4, third iron core；5, silicon steel sheet；6, it fastens
Screw rod；7, the first screw hole；8, limiting slot；9, the second screw hole；10, triangle fixing seat；11, triangular groove；12, triangle convex；
13, hold-doun nut；14, threaded rod；15, casing；16, limit plate.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Referring to Fig.1-3, a kind of five lap connected structure of transformer core, including core body 1, core body 1 is by the first iron core
2, the second iron core 3 and third iron core 4 form, and the first iron core 2, the side of the second iron core 3 and third iron core 4 along its length are two-by-two
Between be fixed to each other by fastening connection piece, the first iron core 2, the second iron core 3 and third iron core 4 are mutual by five silicon steel sheets 5
Splice composition, and is fixed to each other between five silicon steel sheets 5 by fastening screw 6, and a kind of five lap connected structure of transformer core is also protected
The triangle fixing seat 10 that shield is used cooperatively with five lap connected structure of transformer core, triangle fixing seat open up at 10 upper surface center
There is triangular groove 11, and be provided with triangle convex 12 at the center of triangular groove 11, passes through 13 screw thread of hold-doun nut on triangle convex 12
It is connected with threaded rod 14, and limit plate 16, and threaded rod 14 is nested and fixed by casing 15 in the external one end of threaded rod 14
Bearing is socketed with the junction of casing 15.
1 Mitsubishi's rod structure of core body, the cross section of the first iron core 2, the second iron core 3 and third iron core 4 is semicircle
Structure equidistantly offers the first screw holes 7 that three cooperation fastening screws 6 use in the two side arms of silicon steel sheet 5 along its length,
The second screw hole 9 that two cooperation fastening screws 6 use equidistantly is offered in the two side arms of silicon steel sheet 5 in the width direction.
Offer limiting slot 8 on the two side arms inner surface wall of silicon steel sheet 5 along its length, and there are four limiting slot 8 opens up altogether,
In pairs, limit plate 16 is altogether there are three settings, and three limit plates 16 are distributed in a ring, between adjacent two limit plate 16 between
Away from equal, limit plate 16 clamps the first iron core 2, the second iron core 3 and third iron core 4 for cooperating triangular groove 11 to use
It is fixed, so as to which the first iron core 2, the second iron core 3 and third iron core 4 are auxiliarily fixed and are supported, improve its intensity.
Working principle: in use, the first iron core 2, the second iron core 3 and that will be made of respectively five silicon steel sheets 5 first
Three iron cores 4 cooperate the first screw hole 7 and the second screw hole 9 to be fixed to each other by fastening screw 6, then by the first iron core 2,
Second iron core 3 and third iron core 4 are fixed to each other by fastening connection piece, just complete the assembling of core body 1 at this time, then will
Core body 1 is fastened in the triangular groove 11 opened up in triangle fixing seat 10, and rotation threaded rod 14 drives limit plate 16 to first
Iron core 2, the second iron core 3 and third iron core 4 are gripped, then core body 1 is fixed on change by triangle fixing seat 10
In depressor ontology, the core body 1 can be used at this time.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of five lap connected structure of transformer core, including core body (1), it is characterised in that: the core body (1) is by
One iron core (2), the second iron core (3) and third iron core (4) composition, first iron core (2), the second iron core (3) and third iron core
(4) side along its length is fixed to each other by fastening connection piece between any two, first iron core (2), the second iron core (3)
It is mutually spliced and is formed by five silicon steel sheets (5) with third iron core (4), and pass through fastening screw (6) between five silicon steel sheets (5)
It is fixed to each other, a kind of five lap connected structure of transformer core, also protection are used cooperatively with five lap connected structure of transformer core
Triangle fixing seat (10), offer triangular groove (11) at triangle fixing seat (10) the upper surface center, and triangular groove (11)
Center at be provided with triangle convex (12), be threaded with threaded rod by hold-doun nut (13) on the triangle convex (12)
(14), and the external one end of threaded rod (14) is nested and fixed limit plate (16) by casing (15), and threaded rod (14) with
The junction of casing (15) is socketed with bearing.
2. five lap connected structure of transformer core as described in claim 1, it is characterised in that: core body (1) triangular prism
Structure.
3. five lap connected structure of transformer core as described in claim 1, it is characterised in that: first iron core (2), the second iron
The cross section of core (3) and third iron core (4) is semicircular structure.
4. five lap connected structure of transformer core as described in claim 1, it is characterised in that: the silicon steel sheet (5) is along length side
To two side arms on equidistantly offer three the first screw holes (7) for using of cooperation fastening screw (6).
5. five lap connected structure of transformer core as described in claim 1, it is characterised in that: the silicon steel sheet (5) is along width side
To two side arms on equidistantly offer two the second screw holes (9) for using of cooperation fastening screw (6).
6. five lap connected structure of transformer core as described in claim 1, it is characterised in that: the silicon steel sheet (5) is along length side
To two side arms inner surface wall on offer limiting slot (8), and there are four limiting slot (8) opens up altogether, in pairs.
7. five lap connected structure of transformer core as described in claim 1, it is characterised in that: the limit plate (16) is provided with altogether
Three, and three limit plates (16) are distributed in a ring, the spacing between adjacent two limit plate (16) is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822106305.7U CN209087532U (en) | 2018-12-15 | 2018-12-15 | A kind of five lap connected structure of transformer core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822106305.7U CN209087532U (en) | 2018-12-15 | 2018-12-15 | A kind of five lap connected structure of transformer core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087532U true CN209087532U (en) | 2019-07-09 |
Family
ID=67126719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822106305.7U Expired - Fee Related CN209087532U (en) | 2018-12-15 | 2018-12-15 | A kind of five lap connected structure of transformer core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461569A (en) * | 2018-12-15 | 2019-03-12 | 泰州市天力铁芯制造有限公司 | A kind of five lap connected structure of transformer core |
| CN113921264A (en) * | 2021-11-18 | 2022-01-11 | 江苏北辰互邦电力股份有限公司 | Automatic lamination production equipment for silicon steel sheets of power transformer |
-
2018
- 2018-12-15 CN CN201822106305.7U patent/CN209087532U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461569A (en) * | 2018-12-15 | 2019-03-12 | 泰州市天力铁芯制造有限公司 | A kind of five lap connected structure of transformer core |
| CN113921264A (en) * | 2021-11-18 | 2022-01-11 | 江苏北辰互邦电力股份有限公司 | Automatic lamination production equipment for silicon steel sheets of power transformer |
| CN113921264B (en) * | 2021-11-18 | 2022-05-27 | 江苏北辰互邦电力股份有限公司 | Automatic lamination production equipment for silicon steel sheets of power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20211215 |