CN218333396U - Oblique seam transformer - Google Patents
Oblique seam transformer Download PDFInfo
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- CN218333396U CN218333396U CN202222743847.1U CN202222743847U CN218333396U CN 218333396 U CN218333396 U CN 218333396U CN 202222743847 U CN202222743847 U CN 202222743847U CN 218333396 U CN218333396 U CN 218333396U
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Abstract
The utility model discloses an oblique seam transformer, including the side post of unshakable in one's determination, be located the last indisputable yoke of side post upper end of unshakable in one's determination and be located the lower yoke of side post lower extreme of unshakable in one's determination, the cross sectional area of last yoke and lower yoke all be greater than the cross sectional area of the side post of unshakable in one's determination, the side post of unshakable in one's determination and the seam angle of last yoke department and indisakable yoke department down be 35 ~ 38, the seam angle of going up yoke and indisakable side post department down be 55 ~ 52, the utility model provides an oblique seam transformer that no space made the transformer energy-conservation effectual when side post of unshakable in one's determination and indisakable in one's determination section unequal with the yoke between side post and the iron core side post and the yoke.
Description
Technical Field
The utility model relates to a transformer technical field especially relates to an oblique seam transformer.
Background
The transformer core can be divided into a straight seam and an inclined seam according to the seam form. The transformer with the inclined joints is used in the field of high-efficiency energy-saving transformers and is suitable for three-phase three-column laminated iron core transformers. According to the prior art, the existing transformer generally adopts a 45-degree oblique seam mode, when the sectional areas of an iron core side column and an iron yoke are unequal, if the 45-degree oblique seam is adopted, a larger gap is generated, as shown in fig. 1, the gap distorts a magnetic circuit of the transformer core, so that larger loss is generated, and the energy-saving effect of the transformer is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the inclined seam transformer overcomes the defects of the prior art, and has good energy-saving effect because no gap exists between the iron core side column and the iron yoke when the sectional areas of the iron core side column and the iron yoke are not equal.
In order to realize the purpose, the technical scheme of the utility model is that: an oblique joint transformer comprises an iron core side column, an upper iron yoke positioned at the upper end of the iron core side column and a lower iron yoke positioned at the lower end of the iron core side column, wherein the cross-sectional areas of the upper iron yoke and the lower iron yoke are respectively larger than that of the iron core side column, the joint angles of the iron core side column and the upper iron yoke and the joint angles of the iron core side column and the lower iron yoke are respectively 35-38 degrees, and the joint angles of the upper iron yoke and the lower iron yoke and the joint angles of the iron core side column are respectively 55-52 degrees.
After the structure more than adopting, compared with the prior art, the utility model has the following advantages: the gap is avoided by adjusting the included angle of the joint, when the sectional areas of the iron core side column and the iron yoke are not equal, no gap exists between the iron core side column and the iron yoke, so that the loss is small, the energy-saving effect of the transformer is good, and meanwhile, the precision in the manufacturing process is convenient to guarantee.
Preferably, the iron core comprises an iron core center pillar, and the joint angles of the upper iron yoke and the lower iron yoke and the iron core center pillar are 135 degrees, so that the iron core is convenient to process and low in cost.
Preferably, the joint angles of the iron core side column and the upper iron yoke and the lower iron yoke are both 35 °, the joint angles of the upper iron yoke and the lower iron yoke and the iron core side column are both 55 °, and the step size ratio of the iron core side column to the upper iron yoke and the lower iron yoke is 10: and 7, close matching of the stepping size and the included angle of the sharp corner can be realized, and the shearing precision is ensured.
Preferably, the joint angles of the iron core side column and the upper iron yoke and the lower iron yoke are both 36 degrees, the joint angles of the upper iron yoke and the lower iron yoke and the iron core side column are both 54 degrees, and the step size ratio of the iron core side column to the upper iron yoke and the lower iron yoke is 11: and 8, close matching of the stepping size and the included angle of the sharp corner can be realized, and the shearing precision is ensured.
Preferably, the joint angles of the iron core side column and the upper iron yoke and the lower iron yoke are both 37 degrees, the joint angles of the upper iron yoke and the lower iron yoke and the iron core side column are both 53 degrees, and the step size ratio of the iron core side column to the upper iron yoke and the lower iron yoke is 8: and 6, the close fit of the stepping size and the included angle of the sharp corner can be realized, and the precision of the shear blade is ensured.
Preferably, the joint angles of the iron core side column and the upper iron yoke and the lower iron yoke are both 38 °, the joint angles of the upper iron yoke and the lower iron yoke and the iron core side column are both 52 °, and the step size ratio of the iron core side column to the upper iron yoke and the lower iron yoke is 9: and 7, close matching of the stepping size and the included angle of the sharp corner can be realized, and the shearing precision is ensured.
Preferably, the joint between the iron core side column and the upper iron yoke and the lower iron yoke is a five-step joint.
Preferably, the joint between the iron core side column and the upper iron yoke and the lower iron yoke is a seven-step joint.
Drawings
Fig. 1 is a schematic view of a seam between a leg and a yoke of a prior art skewed seam transformer core.
Fig. 2 is a schematic structural diagram of the oblique seam transformer of the present invention.
Fig. 3 is a schematic diagram of a seam between a leg and an upper yoke of an oblique seam transformer core according to the present invention.
The iron core comprises an iron core side column 1, an iron core side column 2, an upper iron yoke 3, a lower iron yoke 4 and an iron core middle column.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 2, the utility model provides an oblique seam transformer, including iron core side column 1, go up indisputable yoke 2, indisputable yoke 3 and indisputable center pillar 4 down, the quantity of indisputable side column 1 is two, go up indisputable yoke 2 and lower indisputable yoke 3 and be located the upper and lower both ends of indisputable side column 1 respectively, two indisputable side columns 1 set up relatively, it sets up relatively to go up indisputable yoke 2 and lower indisputable yoke 3, go up indisputable yoke 2, the main part rectangular frame of transformer core is constituteed to indisputable yoke 3 and two indisputable side columns 1, the tip of indisputable yoke forms four butt joints with the tip of indisputable side column 1, specifically, the cross sectional area of going up indisputable yoke 2 and lower indisputable yoke 3 all is greater than the cross sectional area of indisputable core column 1, the seam angle of indisputable side column 1 and last indisputable yoke 2 department and lower indisputable yoke 3 department is 35 ~ 38, the seam angle of indisputable yoke 2 and the iron core side column 1 department are 55 ~ 52, avoid producing between indisputable yoke and the contained angle of indisputable yoke 1 through the seam of adjustment, be convenient for the precision of the manufacturing in-process simultaneously.
In one embodiment, the core center pillars 4 are spaced from the core side pillars 1 at both sides, and the core center pillars 4 are spaced from the core side pillars 1 at both sides by the same distance. Specifically, in order to facilitate the matching of 45-degree V-shaped cutter punching, the joint angles of the upper iron yoke and the lower iron yoke and the position of the center pillar of the iron core are 135 degrees, and the cost is low.
As an example, the joint between the core leg 1 and the upper and lower yokes 2 and 3 is a five-step joint.
As an embodiment, the joint between the core side leg 1 and the upper and lower yokes 2 and 3 is formed as a seven-step joint.
As an example, as shown in fig. 3, the dimension is described below by taking 35 ° as an example, the step size of the core leg 1 in the direction is 10mm, and the step size of the yoke (the upper yoke 2 and the lower yoke 3) in the direction is 7mm. And (3) according to the stepping proportion of each step, namely 1 part of the iron core side column is iron yoke =10, so that the close fit of the stepping size and the included angle of the sharp angle can be realized according to the proportion, and the precision of the shearing sheet is ensured.
Example one
The joint angles of the iron core side column 1 and the upper iron yoke 2 and the lower iron yoke 3 are both 35 degrees, the joint angles of the upper iron yoke 2 and the lower iron yoke 3 and the iron core side column 1 are both 55 degrees, and the step size proportion of the iron core side column 1 to the upper iron yoke 2 and the lower iron yoke 3 is 10 degrees: 7.
example two
The joint angles of the iron core side column 1 and the upper iron yoke 2 and the lower iron yoke 3 are both 36 degrees, the joint angles of the upper iron yoke 2 and the lower iron yoke 3 and the iron core side column 1 are both 54 degrees, and the step size proportion of the iron core side column 1 to the upper iron yoke 2 and the lower iron yoke 3 is 11:8.
EXAMPLE III
The joint angles of the iron core side column and the upper iron yoke and the joint angles of the lower iron yoke and the upper iron yoke are both 37 degrees, the joint angles of the upper iron yoke and the lower iron yoke and the iron core side column are both 53 degrees, and the stepping size proportion of the iron core side column to the upper iron yoke and the lower iron yoke is 8:6.
example four
The joint angles of the iron core side column 1 and the upper iron yoke 2 and the lower iron yoke 3 are both 38 degrees, the joint angles of the upper iron yoke 2 and the lower iron yoke 3 and the iron core side column 1 are both 52 degrees, and the stepping size proportion of the iron core side column 1 to the upper iron yoke 2 and the lower iron yoke 3 is 9:7.
the following table is a comparison of the loss experimental data of the prior art and the technical scheme, and the seam forms are all five-step seams.
As can be seen from the table, the transformer loss value of the technical scheme is reduced by 4.7% -8.0% compared with the prior art, so that the transformer has good energy-saving effect and low cost, and the transformer loss reduction in the prior art is very difficult.
Particularly, the utility model discloses a principle is the contained angle through the adjustment seam and avoids appearing this space, and will consider the step-by-step mode of transformer when adjusting the contained angle, and the precision in the manufacturing process is guaranteed. The 35-38-degree inclined seam can avoid gaps, meanwhile, the precision in the manufacturing process is guaranteed, and the five-step seam and the seven-step seam can be guaranteed.
The working principle is as follows: when the widths of the yoke iron and the iron core side column 1 are not equal, namely the cross section of the yoke iron and the cross section area of the iron core side column 1 are not equal, the cross section areas of the upper iron yoke 2 and the lower iron yoke 3 are both larger than the cross section area of the iron core side column 1, the problem of gap is caused in a 45-degree oblique joint mode, the included angle of the joint is adjusted to avoid the gap, specifically, the joint angles of the iron core side column 1 and the upper iron yoke 2 and the lower iron yoke 3 are both 35-38 degrees, the joint angles of the upper iron yoke 2 and the lower iron yoke 3 and the side column 1 are both 55-52 degrees, the sum of the two joint angles is ensured to be equal to 90 degrees, meanwhile, the stepping mode of the transformer and the precision in the manufacturing process are ensured, and the stepping proportion of the iron core side column 1 to the iron yoke is accurately controlled.
On the basis of the above solution, if various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, provided they fall within the scope of the claims and equivalent technology of the present invention, then the present invention is also intended to include these changes and modifications.
Claims (8)
1. The utility model provides an oblique joint transformer, includes iron core side column (1), is located upper yoke (2) of iron core side column (1) upper end and is located lower yoke (3) of iron core side column (1) lower extreme, the cross sectional area of upper yoke (2) and lower yoke (3) all be greater than the cross sectional area of iron core side column (1), its characterized in that: the joint angles of the iron core side column (1) and the upper iron yoke (2) and the joint angles of the lower iron yoke (3) are both 35-38 degrees, and the joint angles of the upper iron yoke (2) and the lower iron yoke (3) and the iron core side column (1) are both 55-52 degrees.
2. The mitered transformer of claim 1, wherein: the iron core is characterized by further comprising an iron core center pillar (4), and joint angles of the upper iron yoke (2) and the lower iron yoke (3) and the iron core center pillar (4) are 135 degrees.
3. The diagonal seam transformer of claim 1, wherein: the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are respectively provided with a joint angle of 35 degrees, the upper iron yoke (2) and the lower iron yoke (3) and the iron core side column (1) are respectively provided with a joint angle of 55 degrees, and the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are respectively provided with a step size proportion of 10:7.
4. the diagonal seam transformer of claim 1, wherein: the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both at joint angles of 36 degrees, the upper iron yoke (2) and the lower iron yoke (3) and the iron core side column (1) are both at joint angles of 54 degrees, and the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both in step size proportion of 11:8.
5. the diagonal seam transformer of claim 1, wherein: the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both provided with joint angles of 37 degrees, the upper iron yoke (2) and the lower iron yoke (3) and the iron core side column (1) are both provided with joint angles of 53 degrees, and the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both provided with step size ratios of 8:6.
6. the mitered transformer of claim 1, wherein: the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both 38 degrees in joint angle, the upper iron yoke (2) and the lower iron yoke (3) and the iron core side column (1) are both 52 degrees in joint angle, the iron core side column (1) and the upper iron yoke (2) and the lower iron yoke (3) are both 9 degrees in stepping size ratio: 7.
7. the mitered transformer of claim 1, wherein: the joint form of the iron core side column (1), the upper iron yoke (2) and the lower iron yoke (3) is five-step joint.
8. The diagonal seam transformer of claim 1, wherein: the joint form of the iron core side column (1), the upper iron yoke (2) and the lower iron yoke (3) is a seven-step joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743847.1U CN218333396U (en) | 2022-10-17 | 2022-10-17 | Oblique seam transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743847.1U CN218333396U (en) | 2022-10-17 | 2022-10-17 | Oblique seam transformer |
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| Publication Number | Publication Date |
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| CN218333396U true CN218333396U (en) | 2023-01-17 |
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| CN202222743847.1U Active CN218333396U (en) | 2022-10-17 | 2022-10-17 | Oblique seam transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082500A1 (en) * | 2022-10-17 | 2024-04-25 | 顺特电气设备有限公司 | Mitred-joint transformer |
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2022
- 2022-10-17 CN CN202222743847.1U patent/CN218333396U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024082500A1 (en) * | 2022-10-17 | 2024-04-25 | 顺特电气设备有限公司 | Mitred-joint transformer |
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