CN204407144U - A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination - Google Patents
A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination Download PDFInfo
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- CN204407144U CN204407144U CN201520109163.3U CN201520109163U CN204407144U CN 204407144 U CN204407144 U CN 204407144U CN 201520109163 U CN201520109163 U CN 201520109163U CN 204407144 U CN204407144 U CN 204407144U
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Abstract
The plug-in solid folding that the utility model discloses a kind of three-phase transformer is unshakable in one's determination, the unit comprising three shapes all identical with size rolls over iron core, each unit folding iron core is all in octangle frame, and each unit folding is unshakable in one's determination to be become with upper lower unit iron yoke piece by highly identical left and right unit core post; The left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely; Each unit folding iron core is had left and right monomer core limb and the monomer of upper and lower monomer iron yoke respectively and rolled over by multiple and unshakable in one's determinationly nestedly to form according to individual, and each described monomer iron core is made up of silicon steel sheet.Plug-in solid folding of the present utility model is unshakable in one's determination, is installed by the plug-in of upper unit iron yoke, and the assembling of completer body entirety, saves equipment investment cost, greatly facilitate the assembling of solid transformer coil.
Description
Technical field
The plug-in solid folding that the utility model relates to a kind of three-phase transformer is unshakable in one's determination.
Background technology
How rectangular the cross section of existing three-phase plane wound core leg is, and core construction is mostly four frame pentastyle or three-frame and three poles.Just use with regard to rear situation, this kind of core construction has many shortcomings, and first when coil turn is identical, the copper material that circular coil compared by square coil consumes more; Secondly because transformer single frame is unshakable in one's determination many, the mitre group number of iron yoke gap increases equally, and magnetic resistance also just increases thereupon.When transformer runs, under the effect of AC magnetic field, these seam crossings very easily cause many places Wow, thus produce a large amount of noise.In addition, existing three-phase silicon steel three dimensional wound core transformer is remains silent, and coil winding needs professional coil winding machine, makes the equipment investment of manufacturing enterprise larger, manufactures efficiency low, and processing technology is complicated, and repair and maintenance is difficult.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of plug-in solid folding of three-phase transformer unshakable in one's determination, not only have function admirable, noise low, save material and the low advantage of cost, the more important thing is and to be installed by the plug-in of upper unit iron yoke, the assembling of completer body entirety, save equipment investment cost, greatly facilitate the assembling of solid transformer coil.
The technical scheme realizing above-mentioned purpose is: a kind of plug-in solid folding of three-phase transformer is unshakable in one's determination, the unit comprising three shapes all identical with size rolls over iron core, each unit folding iron core is all in octangle frame, and each unit folding is unshakable in one's determination to be become with upper lower unit iron yoke piece by highly identical left and right unit core post;
The left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely;
Each unit folding iron core is had left and right monomer core limb and the monomer of upper and lower monomer iron yoke respectively and rolled over by multiple and unshakable in one's determinationly nestedly to form according to individual, each described monomer iron core is made up of silicon steel sheet, the cross section of monomer core limb that each monomer folding is unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal, parallelogram, have upper base, go to the bottom, the abnormity of straight line waist and a camber line waist trapezoidal in any one, make the basic semicircular in shape of cross section of unit core post and unit iron yoke;
The plug-in solid folding of described three-phase transformer is unshakable in one's determination is assembled into a 3-D triangle structure by three unit folding iron cores according to the structure of equilateral triangle, the diameter of unshakable in one's determination three core limbs of the plug-in solid folding of this three-phase transformer to be the diameter of rolling over the cross section of left unit core post unshakable in one's determination by a unit respectively with another unit the roll over cross section of the right unit core post of iron core docks mutually and forms, make the cross section of three core limbs all substantially rounded, and the center of circle of the cross section of three core limbs form an equilateral triangle.
The plug-in solid folding of above-mentioned three-phase transformer is unshakable in one's determination, wherein, the left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely, the position of its connecting-disconnecting interface is positioned at the arbitrary height position of the straightway of described left unit core post and right unit core post, the silicon steel sheet arrangement indentation structure at described connecting-disconnecting interface place.
The plug-in solid folding of above-mentioned three-phase transformer is unshakable in one's determination, wherein, the cross section of monomer core limb that each monomer folding is unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal or special-shaped trapezoidal time, the length of the upper base of cross section roll over iron core with adjacent monomer of going to the bottom of the cross section that each described monomer folding is unshakable in one's determination is equal.
The plug-in solid folding of above-mentioned three-phase transformer is unshakable in one's determination, wherein, the cross section of monomer core limb that multiple monomers foldings that each unit folding is unshakable in one's determination are unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal, parallelogram, abnormity trapezoidal in any two or three combination.
The plug-in solid folding of above-mentioned three-phase transformer is unshakable in one's determination, and wherein, the plug-in solid of described three-phase transformer rolls over the extended line of the diameter of the circular cross section of three core limbs unshakable in one's determination all by the center of an equilateral triangle.
The technical scheme of the plug-in solid folding iron core of three-phase transformer of the present utility model, roll over iron core by the unit of three openings and be assembled into a 3-D triangle structure according to the structure of equilateral triangle, a left side for the upper unit iron yoke that each unit folding is unshakable in one's determination, right-hand member is arranged on left unit core post and right unit core post correspondingly pluggablely, in three unit folding iron cores, each unit folding iron core is had left and right monomer core limb and the monomer of upper and lower monomer iron yoke respectively and rolled over by multiple and unshakable in one's determinationly nestedly to form according to individual, the cross section of monomer core limb that these monomers folding is unshakable in one's determination and the cross section of monomer iron yoke are trapezoidal, parallelogram, abnormity trapezoidal in any one, make the basic semicircular in shape of cross section of unit core post and unit iron yoke, and then make the circular in cross-section of three core limbs of assembled good three-phase transformer core.The circular in cross-section of three core limbs of the plug-in solid folding iron core of three-phase transformer of the present utility model, saves coil copper material, improves transformer coil anti-short circuit capability; Plug-in core construction is conducive to transformer coil nested, saves existing equipment and drops into, facilitate transformer later stage Problem; The arrangement of three unit folding iron cores effectively reduces the seam group number of original plane wound core, improves the noise performance of transformer.It is more even that three-dimensional distribution form makes magnetic circuit distribute, reduce loss and the design cost of transformer, the plug-in solid folding of three-phase transformer of the present utility model is unshakable in one's determination not only has the advantage that no-load loss is little, noise is low, save material and low cost of manufacture, the more important thing is that the left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely, overcome the shortcoming of closed core coiling difficulty, transformer coil can coiling separately, greatly facilitates the assembling of solid transformer coil.
Accompanying drawing explanation
Fig. 1 is the vertical view of the plug-in solid folding iron core of three-phase transformer of the present utility model;
Fig. 2 is the cross-sectional view of the plug-in solid folding iron core of three-phase transformer of the present utility model;
Fig. 3 is the structure chart of the unit folding iron core of the plug-in solid folding iron core of three-phase transformer of the present utility model;
Fig. 4 is the structural representation of the connecting-disconnecting interface of part B in Fig. 3;
Fig. 5 is the cross-sectional view (cross section of monomer core limb is for special-shaped trapezoidal) that the plug-in solid of three-phase transformer of the present utility model rolls over unit folding unshakable in one's determination unit core post unshakable in one's determination;
Fig. 6 is the cross-sectional view (cross section of monomer core limb is trapezoidal) of the unit core post of the unit folding iron core of the plug-in solid folding iron core of three-phase transformer of the present utility model;
Fig. 7 is the cross-sectional view (cross section of monomer core limb is parallelogram) of the unit core post of the unit folding iron core of the plug-in solid folding iron core of three-phase transformer of the present utility model.
Embodiment
In order to understand the technical solution of the utility model better, be described in detail by reference to the accompanying drawings below by embodiment particularly:
Refer to Fig. 1 to Fig. 7, the plug-in solid folding of three-phase transformer of the present utility model is unshakable in one's determination, comprise three shapes unit all identical with size and roll over unshakable in one's determination 1, each unit folding unshakable in one's determination 1 is all in octangle frame, each unit folding unshakable in one's determination 1 is made up of highly identical left and right unit core post 11,11' and upper lower unit iron yoke 12,12', and the material of each unit folding unshakable in one's determination 1 is silicon steel.
The left and right end of the upper unit iron yoke 12 of each unit folding unshakable in one's determination 1 is arranged on left unit core post 11 and right unit core post 11' correspondingly pluggablely, the position of its connecting-disconnecting interface 13 is positioned at the arbitrary height position of the straightway of left unit core post 11 and right unit core post 11', the silicon steel sheet arrangement of the arrangement of the silicon steel sheet of the upper unit yoke 12 at connecting-disconnecting interface 13 place, left unit core post 11 and right unit core post 11' silicon steel sheet to arrange equal indentation structure (as Fig. 4).
Each unit folding unshakable in one's determination 1 is had left and right monomer core limb and the monomer of upper and lower monomer iron yoke respectively and rolled over unshakable in one's determination 10 by multiple and form according to nested, each monomer iron core 10 is made up of silicon steel sheet, make left and right unit core post 11, 11' and upper lower unit iron yoke 12, the basic semicircular in shape of cross section of 12', the cross section of monomer core limb and the cross section of monomer iron yoke of each monomer folding unshakable in one's determination 10 are trapezoidal 3 (as Fig. 6), parallelogram 5 (as Fig. 7), there is upper base 41, go to the bottom 42, any one in trapezoidal 4 (as Fig. 5) of abnormity of straight line waist 43 and a camber line waist 44.The cross section of monomer core limb of multiple monomers foldings unshakable in one's determination 10 of each unit folding unshakable in one's determination 1 and the cross section of monomer iron yoke are the combination of any two or three in trapezoidal 3, parallelogram 5, abnormity trapezoidal 4.
Refer to Fig. 6 again, the cross section of monomer core limb of each monomer folding unshakable in one's determination 10 and the cross section of monomer iron yoke be there is upper base 31,32, two straight line waists 33 of going to the bottom trapezoidal 3 time, the going to the bottom 32 what roll over iron core 10 with adjacent monomer be that the length of the upper base 31 of trapezoidal cross section the is equal of trapezoidal cross-section of each monomer folding unshakable in one's determination 10; Refer to Fig. 5 again, the cross section of monomer core limb of each monomer folding unshakable in one's determination 10 and the cross section of monomer iron yoke be there is upper base 41, go to the bottom 42, the abnormity of straight line waist 43 and a camber line waist 44 trapezoidal 4 time, the cross section trapezoidal in abnormity of each monomer folding unshakable in one's determination 10 go to the bottom 42 with adjacent monomer roll over unshakable in one's determination 10 be that the length of the upper base 41 of special-shaped trapezoidal cross section is equal.
The plug-in solid folding of three-phase transformer is unshakable in one's determination is assembled into a 3-D triangle structure by three unit foldings unshakable in one's determination 1 according to the structure of equilateral triangle, the diameter of unshakable in one's determination three core limbs 2 of the plug-in solid folding of this three-phase transformer to be the diameter of rolling over the cross section of the left unit core post 11 of unshakable in one's determination 1 by a unit respectively with another unit the roll over cross section of the right unit core post 11' of iron core 1 docks mutually and forms, make the cross section of three core limbs 2 all substantially rounded, and the center of circle of the cross section of three core limbs 2 forms an equilateral triangle, the extended line of the diameter of the circular cross section of these three core limbs 2 is all by the center of an equilateral triangle.
The plug-in solid folding of three-phase transformer of the present utility model is unshakable in one's determination, the left and right end of the upper unit iron yoke 12 of each unit folding unshakable in one's determination 1 is arranged on left unit core post 11 and right unit core post 11' correspondingly pluggablely, make transformer coil can coiling separately, greatly facilitate the suit of transformer coil.Three core limbs 2 unshakable in one's determination due to plug-in solid folding of the present utility model are assembled by the core limb of two unit core 1, the cross section of three core limbs 2 making the plug-in of three-phase transformer solid folding unshakable in one's determination is substantially rounded, therefore has the advantage that no-load loss is little, noise is low, save material and low cost of manufacture.The plug-in solid folding iron circuit of this three-phase transformer is completely equal, all symmetrical, overcomes the shortcoming of the three-phase current unbalance caused because magnetic circuit is not identical unshakable in one's determination in the past.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.
Claims (5)
1. the plug-in solid folding of a three-phase transformer is unshakable in one's determination, the unit comprising three shapes all identical with size rolls over iron core, it is characterized in that, each unit folding iron core is all in octangle frame, and each unit folding is unshakable in one's determination to be become with upper lower unit iron yoke piece by highly identical left and right unit core post;
The left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely;
Each unit folding iron core is had left and right monomer core limb and the monomer of upper and lower monomer iron yoke respectively and rolled over by multiple and unshakable in one's determinationly nestedly to form according to individual, each described monomer iron core is made up of silicon steel sheet, the cross section of monomer core limb that each monomer folding is unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal, parallelogram, have upper base, go to the bottom, the abnormity of straight line waist and a camber line waist trapezoidal in any one, make the basic semicircular in shape of cross section of unit core post and unit iron yoke;
The plug-in solid folding of described three-phase transformer is unshakable in one's determination is assembled into a 3-D triangle structure by three unit folding iron cores according to the structure of equilateral triangle, the diameter of unshakable in one's determination three core limbs of the plug-in solid folding of this three-phase transformer to be the diameter of rolling over the cross section of left unit core post unshakable in one's determination by a unit respectively with another unit the roll over cross section of the right unit core post of iron core docks mutually and forms, make the cross section of three core limbs all substantially rounded, and the center of circle of the cross section of three core limbs form an equilateral triangle.
2. the plug-in solid folding of three-phase transformer according to claim 1 is unshakable in one's determination, it is characterized in that, the left and right end of the upper unit iron yoke that each unit folding is unshakable in one's determination is arranged on left unit core post and right unit core post correspondingly pluggablely, the position of its connecting-disconnecting interface is positioned at the arbitrary height position of the straightway of described left unit core post and right unit core post, the silicon steel sheet arrangement indentation structure at described connecting-disconnecting interface place.
3. the plug-in solid folding of three-phase transformer according to claim 1 is unshakable in one's determination, it is characterized in that, the cross section of monomer core limb that each monomer folding is unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal or special-shaped trapezoidal time, the length of the upper base of cross section roll over iron core with adjacent monomer of going to the bottom of the cross section that each described monomer folding is unshakable in one's determination is equal.
4. the plug-in solid folding of three-phase transformer according to claim 1 is unshakable in one's determination, it is characterized in that, the cross section of monomer core limb that each unit folding multiple monomers foldings unshakable in one's determination are unshakable in one's determination and the cross section of monomer iron yoke be trapezoidal, parallelogram, abnormity trapezoidal in any two or three combination.
5. the plug-in solid folding of three-phase transformer according to claim 1 is unshakable in one's determination, it is characterized in that, the plug-in solid of described three-phase transformer rolls over the extended line of the diameter of the circular cross section of three core limbs unshakable in one's determination all by the center of an equilateral triangle.
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| CN201520109163.3U CN204407144U (en) | 2015-02-15 | 2015-02-15 | A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination |
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| CN201520109163.3U CN204407144U (en) | 2015-02-15 | 2015-02-15 | A kind of plug-in solid folding of three-phase transformer is unshakable in one's determination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990006A (en) * | 2015-02-15 | 2016-10-05 | 上海置信电气非晶有限公司 | Plugging-type three-dimensional bending iron core of three-phase transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990006A (en) * | 2015-02-15 | 2016-10-05 | 上海置信电气非晶有限公司 | Plugging-type three-dimensional bending iron core of three-phase transformer |
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