CN207052412U - A kind of transformer three-dimensional winding iron core for being easy to ground connection - Google Patents
A kind of transformer three-dimensional winding iron core for being easy to ground connection Download PDFInfo
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- CN207052412U CN207052412U CN201720779702.3U CN201720779702U CN207052412U CN 207052412 U CN207052412 U CN 207052412U CN 201720779702 U CN201720779702 U CN 201720779702U CN 207052412 U CN207052412 U CN 207052412U
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Abstract
The utility model discloses a kind of transformer three-dimensional winding iron core for being easy to ground connection, including iron core group and ground strip group, iron core group includes the first single-phase open core, the second single-phase open core and the 3rd single-phase open core of three independences and size structure all same, the first single-phase open core, the second single-phase open core and the 3rd single-phase open core with central angle 120o angle seamless assembled into 3-D triangle structure；Ground strip group includes the first ground strip, the second ground strip and the 3rd ground strip, first ground strip connects the first single-phase open core and the second single-phase open core, second ground strip connects the second single-phase open core and the 3rd single-phase open core, drawn finally by the 3rd ground strip on the 3rd single-phase open core, not only the single-point grounding that ensure that iron core but also the use for reducing bolt and the workload of worker, the length of the first ground strip and the second ground strip is reduced, has saved the dosage of copper product.
Description
Technical field
Three-dimensional reel iron core transformer technical field is the utility model is related to, more particularly to a kind of transformer for being easy to ground connection is stood
Body rolls up iron core.
Background technology
Three-dimensional winding iron core distribution transformer is because its iron core is Three-dimensional triangle type structure, three-phase magnetic circuit balanced, symmetrical, iron core
Without overlapping the slot, no-load current is small, and open circuit loss is low, and energy-saving effect is notable, in the transformation for having been widely used for rural power grids, city net,
The proportion that three-dimensional winding iron core distribution transformer accounts in national grid centralized procurement is increasing.
But in three-dimensional winding iron core production, because three iron core frames individually wind processing, be then grouped together composition
One complete iron core.Due to transformer, operationally iron core must be grounded, as shown in figure 1, current way is three iron cores
Frame is respectively put into the copper connection sheet of certain length, and then the copper connection sheet of three iron core frames is guided on folder, it is necessary to folder respectively
Three grounding connection positions of upper setting, multi-process handling for this method, takes activity time length, there is certain length three positions
Copper ground strip and fastening bolt, material cost are also corresponding higher.Therefore, it is raising efficiency, it is cost-effective, to three-dimensional winding iron core
Ground structure transform necessary.
Utility model content
The purpose of this utility model is to provide a kind of transformer three-dimensional winding iron core for being easy to ground connection, can effectively reduce production
Product material cost, the Product Assembly time is saved, improve efficiency.
The technical solution adopted in the utility model is：
A kind of transformer three-dimensional winding iron core for being easy to ground connection, including iron core group and ground strip group, iron core group include three solely
Vertical and size structure all same the first single-phase open core, the second single-phase open core and the 3rd single-phase opening volume iron
Core, the first single-phase open core, the second single-phase open core and the 3rd single-phase open core are with central angle 120o angle
Spend seamless assembled into 3-D triangle structure, middle the vacancy of the first described single-phase open core is window, and first singly
The upper end of the window of phase open coil iron core is upper yoke, and the lower end of the window of the first single-phase open core is lower yoke, and upper yoke is with
It is stem between yoke；Described ground strip group includes the first ground strip, the second ground strip and the 3rd ground strip, the first ground strip
First end is inserted in the first single-phase open core, and the second end is inserted in the second single-phase open core, and the of the second ground strip
One end is inserted in the second single-phase open core, and the second end is inserted in the 3rd single-phase open core, and the first of the 3rd ground strip
In the 3rd single-phase open core of end insertion, the 3rd single-phase open core, and the second end of the 3rd ground strip are stretched out in the second end
It is provided with mounting hole.
The first described single-phase open core and the stitching portion of the second single-phase open core are set to the first convergence part, the
The stitching portion of two single-phase open cores and the 3rd single-phase open core is set to the second convergence part, the 3rd single-phase open core
The 3rd convergence part is set to the stitching portion of the first single-phase open core, the first end of the first ground strip inserts the first single-phase opening
The insertion point of iron core is rolled up close to the first convergence part, the insertion point of the second single-phase open core is inserted at the second end of the first ground strip
Close to the first convergence part, the first end of the second ground strip inserts the insertion point of the second single-phase open core close to the second linking
The insertion point of the 3rd single-phase open core is inserted close to the second convergence part, the 3rd ground strip in portion, the second end of the second ground strip
First end insert the 3rd single-phase open core insertion point close to the 3rd convergence part.
Described the first ground strip, the second ground strip and the 3rd ground strip uses copper conducting strip.
Described the first ground strip, the second ground strip and the 3rd ground strip is inserted into corresponding single-phase open core
Depth is 30mm -40mm.
The utility model single-phase is opened using the first single-phase open core of three independences and size structure all same, second
Mouthful volume iron core and the 3rd single-phase open core, with central angle 120o angle seamless assembled into 3-D triangle structure, then
The first end of first ground strip to be inserted in the first single-phase open core, the second end is inserted in the second single-phase open core,
The first end of second ground strip is inserted in the second single-phase open core, and the second end is inserted in the 3rd single-phase open core, the
The first end of three ground strips is inserted in the 3rd single-phase open core, and the 3rd single-phase open core, and the 3rd are stretched out in the second end
The end of ground strip second is provided with mounting hole, and mounting hole is used to connect folder, by the first ground strip and the second ground strip respectively
First single-phase open core and the second single-phase open core, the second single-phase open core and the 3rd single-phase open core
Connect, finally drawn by the second end of the 3rd ground strip；Not only it ensure that the single-point grounding of iron core but also reduced making for bolt
With and worker workload, reduce the length of the first ground strip and the second ground strip, saved the dosage of copper product.
Brief description of the drawings
Fig. 1 is the existing three-dimensional winding iron core structural representation in background technology of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is stereogram of the present utility model；
Fig. 4 is the structural representation of the first single-phase open core of the present utility model.
Embodiment
As shown in Figures 2 and 3, the utility model includes iron core group and ground strip group, and iron core group includes three independences and big
The first single-phase open core 1, the second single-phase open core 2 and the 3rd single-phase open core 3 of small structure all same, the
One single-phase open core 1, the second single-phase open core 2 and the 3rd single-phase open core 3 are with central angle 120o angle
Seamless assembled into 3-D triangle structure, as shown in figure 4, the middle vacancy of the first described single-phase open core 1 is window
Mouthfuls 4, the upper end of the window 4 of the first single-phase open core 1 is upper yoke 5, the lower end of the window 4 of the first single-phase open core 1
It is stem 7 between upper yoke 5 and lower yoke 6 for lower yoke 6；Described ground strip group includes the first ground strip 8, the second ground strip 9 and the
Three ground strips 10, the first ground strip 8, the second ground strip 9 and the 3rd ground strip 10 use copper conducting strip；First ground strip 8
First end insert the first single-phase open core 1 in, the second end insert the second single-phase open core 2 in, the second ground strip 9
First end insert the second single-phase open core 2 in, the second end insert the 3rd single-phase open core 3 in, the 3rd ground strip
10 first end is inserted in the 3rd single-phase open core 3, and the 3rd single-phase open core 3, and the 3rd ground connection are stretched out in the second end
The end of piece 10 second is provided with mounting hole 11, and mounting hole 11 is used to connect folder, then is grounded.
The first described single-phase open core 1 and the stitching portion of the second single-phase open core 2 are set to the first convergence part
The stitching portion of a, the second single-phase open core 2 and the 3rd single-phase open core 3 is set to the second convergence part b, and the 3rd single-phase opens
The stitching portion of the mouth volume single-phase open core 1 of iron core 3 and first is set to the 3rd convergence part c, the first end insertion of the first ground strip 8
Close to the first convergence part a, the second end insertion second of the first ground strip 8 is single-phase to open for the insertion point of first single-phase open core 1
The second single-phase open core 2 is inserted in the insertion point of mouth volume iron core 2 close to the first convergence part a, the first end of the second ground strip 9
Insertion point is close close to the second convergence part b, the insertion point of the 3rd single-phase open core 3 of the second end insertion of the second ground strip 9
Second convergence part b, the first end of the 3rd ground strip 10 insert the insertion point of the 3rd single-phase open core 3 close to the 3rd convergence part
c。
Illustrate operation principle of the present utility model below in conjunction with the accompanying drawings：
First, the first single-phase open core 1, the second single-phase open core 2 and the 3rd single-phase open core 3 are distinguished
Wind on machine, be then grouped together, the first ground strip 8 of ready-made corresponding length is inserted into the first single-phase opening volume iron
In the single-phase open core 2 of core 1 and second, and the first end of the first ground strip 8 inserts the insertion of the first single-phase open core 1
Point inserts the insertion point of the second single-phase open core 2 close to first close to the first convergence part a, the second end of the first ground strip 8
Convergence part a, in order to reduce the length of the first ground strip 8, length reduces, and corresponding material decreases；Again by phase
The second ground strip 9 of length is answered to insert in the second single-phase open core 2 and the 3rd single-phase open core 3, finally will be corresponding
3rd ground strip 10 of length is inserted in the 3rd single-phase open core 3.First ground strip 8 is by the first single-phase open core 1
Connected with the second single-phase open core 2, the second ground strip 9 is by the second single-phase open core 2 and the 3rd single-phase opening
Volume iron core 3 connects, and is drawn finally by the 3rd ground strip 10 on the 3rd single-phase open core 3, material is thus formed
The ground structure of the three-dimensional winding iron core.The 3rd ground strip 10 is installed fixed on folder during assembling.
In order to ensure using effect, the first ground strip 8, the second ground strip 9 and the 3rd ground strip 10 all should be inserted into first
Certain depth in single-phase open core 1, the second single-phase open core 2 and the 3rd single-phase open core 3, depth bounds are
30mm≤L≤40mm。
Service condition of the present utility model is, by the first ground strip 8 and the second ground strip 9 respectively the first single-phase opening
Volume iron core 1 and second single-phase open core 2, the second single-phase open core 2 and the 3rd single-phase open core 3 connect
Come, finally drawn by the second end of the 3rd ground strip 10.Only the 3rd ground strip 10 need to be fixed to folder specified location during assembling
.It so not only ensure that the single-point grounding of iron core but also reduced the use of bolt and the workload of worker, and reduced first and connect
The length of the ground strip 9 of ground piece 8 and second, has saved the dosage of copper product.Compared with prior art, the utility model is novel solely
Spy, advantages of simple, reduce the use of material, reduce cost, improve production efficiency, promotion prospect is big, there is good warp
Ji benefit.
Claims (4)
- A kind of 1. transformer three-dimensional winding iron core for being easy to ground connection, it is characterised in that：Including iron core group and ground strip group, iron core group bag Include the first single-phase open core of three independences and size structure all same, the second single-phase open core and the 3rd single-phase is opened Mouth volume iron core, the first single-phase open core, the second single-phase open core and the 3rd single-phase open core are with central angle 120 O angle seamless assembled into 3-D triangle structure, the middle vacancy of the first described single-phase open core is window, The upper end of the window of one single-phase open core is upper yoke, and the lower end of the window of the first single-phase open core is lower yoke, upper yoke It is stem between lower yoke；Described ground strip group includes the first ground strip, the second ground strip and the 3rd ground strip, the first ground connection The first end of piece is inserted in the first single-phase open core, and the second end is inserted in the second single-phase open core, the second ground strip First end insert the second single-phase open core in, the second end insert the 3rd single-phase open core in, the 3rd ground strip First end is inserted in the 3rd single-phase open core, and the 3rd single-phase open core, and the of the 3rd ground strip are stretched out in the second end Two ends are provided with mounting hole.
- 2. the transformer three-dimensional winding iron core according to claim 1 for being easy to ground connection, it is characterised in that：Described first is single-phase The stitching portion of open coil iron core and the second single-phase open core is set to the first convergence part, the second single-phase open core and the 3rd The stitching portion of single-phase open core is set to the second convergence part, the 3rd single-phase open core and the first single-phase open core Stitching portion is set to the 3rd convergence part, and the first end of the first ground strip inserts the insertion point of the first single-phase open core close to first Convergence part, the insertion point of the second single-phase open core of the second end insertion of the first ground strip connect close to the first convergence part, second Inserted close to the second convergence part, the second end of the second ground strip the insertion point that the first end of ground piece inserts the second single-phase open core The 3rd single-phase opening is inserted in the insertion point for entering the 3rd single-phase open core close to the second convergence part, the first end of the 3rd ground strip The insertion point of iron core is rolled up close to the 3rd convergence part.
- 3. the transformer three-dimensional winding iron core according to claim 2 for being easy to ground connection, it is characterised in that：The first described ground connection Piece, the second ground strip and the 3rd ground strip use copper conducting strip.
- 4. the transformer three-dimensional winding iron core according to claim 3 for being easy to ground connection, it is characterised in that：The first described ground connection The depth that piece, the second ground strip and the 3rd ground strip are inserted into corresponding single-phase open core is 30mm -40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779702.3U CN207052412U (en) | 2017-06-30 | 2017-06-30 | A kind of transformer three-dimensional winding iron core for being easy to ground connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720779702.3U CN207052412U (en) | 2017-06-30 | 2017-06-30 | A kind of transformer three-dimensional winding iron core for being easy to ground connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052412U true CN207052412U (en) | 2018-02-27 |
Family
ID=61494432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720779702.3U Active CN207052412U (en) | 2017-06-30 | 2017-06-30 | A kind of transformer three-dimensional winding iron core for being easy to ground connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052412U (en) |
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2017
- 2017-06-30 CN CN201720779702.3U patent/CN207052412U/en active Active
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