CN103310955B - Structure of magnetic core body of material-saving inductive ballast or transformer - Google Patents
Structure of magnetic core body of material-saving inductive ballast or transformer Download PDFInfo
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- 230000001939 inductive effect Effects 0.000 title description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 121
- 238000005452 bending Methods 0.000 claims description 19
- 239000002023 wood Substances 0.000 claims description 8
- 238000005267 amalgamation Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 abstract 1
- 230000004907 flux Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000007787 solid Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
Section bar type inductance ballast or transformer magnetic core's structure, the magnetic core is the E cross magnetic core who constitutes by four unit module one and two amalgamations of four unit module, and unit module one is formed by the coincide of the E font silicon steel sheet that the middle finger width is different, and unit module two is formed by the coincide of the same half frame shape silicon steel sheet, E font silicon steel sheet and half frame shape silicon steel sheet all are equipped with the rule recess, E font silicon steel sheet all bends into 90 along wherein indicating the central line, and four unit module one constitute four bights that have the breach of E cross magnetic core, two gomphosis of unit module are between per two adjacent unit module one, and the interior finger one side of unit module two forms with the middle finger one side of unit module one the cavity boss in E cross magnetic core middle part. The invention can further save silicon steel sheets and reduce the number of dies required for punching silicon steel sheets with different sizes.
Description
Technical field
The present invention relates to inductive type ballast or transformer, particularly relate to the magnetic core array of inductive type ballast or transformer.
Background technology
Existing market illumination ballast is divided into two large classes: inductance type and electronic type.Electronic ballast because useful life is shorter and the problem such as high-frequency harmonic interference, so market mostly adopt remain inductance type ballast.Inductance type ballast is divided into two classes substantially according to magnetic core array structure: E font and C font.C font ballast due to problems such as processing technology are complicated and price is more expensive, at present domestic still with E font ballast for the mainstream product in the market.
The Chinese patent CN202796350U " Inductive ballast of further saving metal material and energy or the structure of transformer magnetic core " of the applicant's application discloses the cross magnetic core array structure of a kind of E, it is put together by four identical unit modules, for square-shaped core body, and with solid boss in the middle part of magnetic core array after split, described unit module to be stacked by length order by the E font silicon steel sheet after some bendings and to form, described in every a slice, E font silicon steel sheet is in 90 ° along the center line bending of its middle finger, the all E font silicon steel sheets be superimposed in unit module, shape and structure is constant, but size changes to some extent, and the change of size be only the width of middle finger from second in relative first finger widths increase successively, namely in adjacent E font silicon steel sheet, rear a slice E font silicon steel sheet is relative to front a slice E font silicon steel sheet, wherein finger widths increases to some extent, and other sizes remain unchanged.
Under the condition reaching same magnetic flux, the square-shaped core body of said structure is relative to the magnetic core array of traditional square-section, reduce magnetic circuit girth, decrease magnetic loss, save a certain amount of silicon steel sheet steel, also reduced coil girth and coil copper material simultaneously, reduce self-resistance, reduce energy consumption, the double effects of energy-saving material-saving can be realized.The structure of this magnetic core array is put together by four identical unit modules, and the thickness of described unit module is equivalent to 1/2nd of magnetic core array side wall length, it is the thickness sum of all E font silicon steel sheets be superimposed together in unit module, in the above-mentioned patent of applicant, suppose that a unit module is formed by stacking by 29 E font silicon steel sheets, then the square-shaped core body of said structure needs corresponding 29 secondary die cutting dies, and so need the mould of a greater number, production cost is higher.In addition, the central boss of the square-shaped core body of said structure is solid construction, it is for the hollow shape boss of square-section, when identical magnetic flux area, coil method can be saved, applicant is in testing further, the central boss of the magnetic core array of the square sectional of said structure is made cannular boss, when the magnetic core array that the described magnetic circuit of E cross magnetic core array fastening formation of upper and lower two valve structure symmetries is closed, magnetic gap is left between the corresponding sidewall of magnetic core array up and down, after tested, find the kelvin effect of magnetic flux because of coil of magnetic core array, its reduction is very little even not to be changed, when identical or close inductance value, further can save silicon steel material, and add the area of dissipation of magnetic core array.
Summary of the invention
The applicant is on the basis of above-mentioned test, the structure of a kind of nodal wood type inductance type ballast or transformer magnetic core is provided, it is relative to Chinese patent CN202796350U, reaching under the substantially identical condition of Electricity Functional, the inductance type ballast that this structure obtains or transformer magnetic core, silicon steel material can be saved further, and the number of molds that can reduce needed for die-cut different size silicon steel sheet, thus reduce production cost further, add area of dissipation simultaneously, effectively can improve product useful life.
Technical scheme of the present invention is as follows:
The structure of nodal wood type inductance type ballast or transformer magnetic core, described magnetic core array is E decussate texture, it is characterized in that: comprise unit module one and unit module two, and unit module one is formed by stacking by E font silicon steel sheet, unit module two is formed by stacking by half shaped as frame silicon steel sheet, wherein:
Being constructed as follows of unit module one: using first E font silicon steel sheet as reference plate, upper finger, the lower finger of described reference plate are provided with groove respectively and between its middle finger, along the center line of middle finger by 90 ° for described reference plate bending; From second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases successively, other size constancies, and by second E font silicon steel sheet and each E font silicon steel sheet afterwards, in 90 ° along its middle finger center line bending successively; The E font silicon steel sheet described reference plate of bending, middle finger widths being increased successively rear gained bending is superimposed by length order, assembles the unit module one of magnetic core array;
Being constructed as follows of unit module two: be formed by stacking by half identical shaped as frame silicon steel sheet, be provided with groove between the interior finger of described half shaped as frame silicon steel sheet and outer finger, the width of described groove is consistent with the width of the described groove of unit module one;
Four unit modules one and the split of four unit modules two, form described E cross magnetic core array, four unit modules one form four band bights jaggy of described E cross magnetic core array respectively, unit module two is entrenched in often between adjacent two unit modules one, and the described groove of the unit module one of the described groove of unit module two and its both sides overlaps, form the rule groove of described E cross magnetic core array; The interior finger side of unit module two and the middle finger side of unit module one form the cannular boss in the middle part of described E cross magnetic core array.
Further technical scheme is:
The height of described reference plate middle finger is greater than the height of finger and lower finger on described reference plate; The height of the interior finger of described half shaped as frame silicon steel sheet is greater than its height referred to outward.
In unit module one, the width a of the upper finger of described reference plate and the lower finger described groove respectively and between middle finger is the width of the rule groove of described E cross magnetic core array; The height b of described upper finger and lower finger is respectively a/2; On described reference plate, finger and the width r of lower finger and the width r of reference plate vertical edge are conventional magnetic path width;
In unit module two, the width of the described groove between the interior finger of half shaped as frame silicon steel sheet and outer finger is the width a of described E cross magnetic core array rule groove; The height of described outer finger is the height b of finger and lower finger on E cross magnetic core array; The width of interior finger and outer finger and the width of its vertical edge are conventional magnetic path width;
In unit module one, from second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases h successively, and described h value is: h=2d+2e, and wherein d is E font silicon steel sheet thickness, and e is the gap between E font silicon steel sheet; Needed for the quantity f of E font silicon steel sheet that widens successively be: f=(c-i-g)/2d, wherein c is the length of side of the rule groove inner circumferential of described E cross magnetic core array, i is the length of groove described in unit module two, g for the minimum widith of the permission bending of reference plate middle finger described in unit module one, d be silicon steel sheet thickness;
In unit module two, the quantity j of required half shaped as frame silicon steel sheet is: j=(c-2k)/d, and wherein c is the length of side of the rule groove inner circumferential of described E cross magnetic core array, k for the length of groove described in unit module one, d be silicon steel sheet thickness.
In unit module one, described reference plate or/and described each middle finger widths increase successively after each E font silicon steel sheet, at least comprise the E font silicon steel sheet of a slice same size respectively.
Technique effect of the present invention is: a unit module of the prior art is subdivided into two unit modules by the present invention, wherein unit module one is built up by the E font silicon steel sheet of finger widths in difference, unit module two is built up by half shaped as frame silicon steel sheet of same structure and size, therefore unit module two secondary die cutting dies of needs one can complete, comparatively speaking, the die cutting die quantity of unit module one depends on the quantity of wherein superimposed all described E font silicon steel sheet, needed for the quantity f of E font silicon steel sheet that widens successively be: f=(c-i-g)/2d, and the E font silicon steel sheet quantity in the Chinese patent CN202796350U of the applicant is f=(c-g)/2d, wherein c is the length of side of the rule groove inner circumferential of described E cross magnetic core array, i is the length of groove described in unit module two, g is the minimum widith of the permission bending of reference plate middle finger described in unit module one, d is silicon steel sheet thickness, wherein, two compare, the quantity of the corresponding minimizing of described E font silicon steel sheet required in the present invention: Δ f=(c-g)/2d-(c-i-g)/2d=i/2d, thus, i is larger, namely the quantity of half shaped as frame silicon steel sheet of unit module two is more, invention unit module once described in the requirement of E font silicon steel sheet relatively fewer, then the quantity of the die cutting die of the described E font silicon steel sheet of different size is also relatively fewer, so save the die cutting die of a large amount of silicon steel sheets, save production cost, the intermediate lands of magnetic core array of the present invention is hollow structure, due to the kelvin effect of coil, actual magnetic flux does not reduce, under the prerequisite that inductance value is substantially identical, the structure of cannular boss further saves a certain amount of silicon steel material, meanwhile, the structure of cannular boss makes the area of dissipation of the magnetic core array of final inductance type ballast meeting transformer increase, and effectively can improve the life-span of inductance type ballast or transformer.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that magnetic core array unit module one forms process.
Fig. 2 is the schematic diagram that magnetic core array unit module two forms process.
Fig. 3 is the integrally-built schematic diagram of magnetic core array.
Embodiment
seefig. 1, Fig. 2, Fig. 3, the present invention with the inductance type ballast of square magnetic circuit for embodiment, its following structural features:
Described magnetic core array is E decussate texture, comprises unit module 1 and unit module 22, and unit module 1 is formed by stacking by E font silicon steel sheet, and unit module 22 is formed by stacking by half shaped as frame silicon steel sheet, wherein:
(1) being constructed as follows of unit module 1: see Fig. 1-A, using first E font silicon steel sheet as reference plate, the height t of described reference plate middle finger 12 is greater than on described reference plate and refers to 11(x sheet) and lower finger 11(y sheet) height s, between difference be k, upper finger 11, the lower finger 11 of described reference plate are provided with groove respectively and between its middle finger 12, and the width a of described groove is the width of described E cross magnetic core array rule groove 3, and the height b of described upper finger 11 and lower finger 11 is respectively a/2, on described reference plate, finger 11 and the width r of lower the finger 11 and width r of reference plate vertical edge are conventional magnetic path width, along the center line of gained reference plate middle finger 12 by 90 ° for described reference plate bending, as shown if figure 1-b, from second E font silicon steel sheet, the width of E font silicon steel sheet middle finger 12 increases h successively, other size constancies, described h value is: h=2d+2e, wherein d is E font silicon steel sheet thickness, e is the gap between E font silicon steel sheet, needed for the quantity f of E font silicon steel sheet that widens successively be: f=(c-i-g)/2d, wherein c is the length of side of rule groove 3 inner circumferential of described E cross magnetic core array, be the periphery length of side or the hem width of the body of square-shaped core shown in Fig. 3 cannular boss 5 in other words, i is the length of groove described in unit module 22, g is the minimum widith of the permission bending of reference plate middle finger 12 described in unit module 1, d is silicon steel sheet thickness, and by second E font silicon steel sheet and each E font silicon steel sheet afterwards, in 90 ° along its middle finger 12 center line bending successively, see Fig. 1-C, the E font silicon steel sheet described reference plate of bending, middle finger widths being increased successively rear gained bending is superimposed by length order, assembles the unit module 1 of magnetic core array, sees Fig. 1-D,
(2) being constructed as follows of unit module 22: see Fig. 2-C, be formed by stacking by half identical shaped as frame silicon steel sheet; See Fig. 2-A, be provided with groove between the interior finger 21 of described half shaped as frame silicon steel sheet and outer finger 22, the width of described groove is consistent with the described groove of unit module 1, is the width a of described E cross magnetic core array rule groove 3; The height of described outer finger 22 is height b E cross magnetic core array referring to 11 and lower finger 11, and be a/2, the height t of described interior finger 21 is greater than the height s of outer finger 22; The width of interior finger 21 and outer finger 22 and the width of its vertical edge are conventional magnetic path width r, and the structure of monolithic half shaped as frame silicon steel sheet as shown in fig. 2-b; Time superimposed, the quantity j of required half shaped as frame silicon steel sheet is: j=(c-2k)/d, wherein c is the length of side of rule groove 3 inner circumferential of described E cross magnetic core array, be the periphery length of side or the hem width of the body of square-shaped core shown in Fig. 3 cannular boss 5 in other words, k for the length of groove described in unit module 1, d be silicon steel sheet thickness;
See Fig. 3, four unit modules 1 and the split of four unit modules 22, form described foursquare hollow E cross magnetic core array, four unit modules 1 form the bight of four bands jagged 4 of described E cross magnetic core array respectively, unit module 22 is entrenched in often between adjacent two unit modules 1, and the described groove of the unit module 1 of the described groove of unit module 22 and its both sides overlaps, form the rule groove 3 of described E cross magnetic core array; Interior finger 22 side of unit module 22 and middle finger 12 side of unit module 1 form the cannular boss 5 in the middle part of described E cross magnetic core array, and the corner location of the cannular boss 5 of square-shaped core body is with unfilled corner 6.
When making large-scale inductance type ballast or transformer magnetic core, in unit module 1, described reference plate or/and described each middle finger widths increase successively after E font silicon steel sheet, at least comprise the E font silicon steel sheet of a slice same size respectively, such as can respectively by the E font silicon steel sheet stack sovolin of same size more than two panels as a slice, so further can also reduce the number of molds of die-cut different size silicon steel sheet.
As embody rule of the present invention, the whole magnetic core array forming inductance type ballast or transformer is fastened by the present invention shown in Fig. 3 of upper and lower two valve structure symmetries, closely knit connection between the cannular boss 5 of corresponding magnetic core array up and down, and leave magnetic gap between the sidewall 7 of the magnetic core array formed by upper finger 11 and lower finger 11 side of outer finger 22 side of unit module 22 and the unit module 1 of both sides, effectively can improve the technical performance of inductance type ballast or transformer, the present invention also can make the height of cannular boss 5 be less than the height of the sidewall 7 of magnetic core array, when fastening the whole magnetic core array forming inductance type ballast or transformer, closely knit connection between sidewall 7, magnetic gap is left between the cannular boss 5 of corresponding magnetic core array up and down, but leave magnetic gap between opposing sidewalls 7 in this case, magnetic gap area relatively conference has influence on the final inductance value exported, the whole magnetic core array of inductance type ballast or the transformer formed is fastened by the present invention shown in Fig. 3 of upper and lower two valve structure symmetries, the name that concrete visible the applicant applies on the same day is called " nodal wood type inductance type ballast or transformer " utility model patent.
Embodiment: be designed to example with 36 watts of fluorescent lamp ballasts, the technical scheme of the square-shaped core body that the Chinese patent CN202796350U of the present invention and the applicant is formed compares:
(1) in Chinese patent CN202796350U, magnetic core array is put together by four identical unit modules, described unit module is formed by stacking by the E font silicon steel sheet of bending, suppose that above-mentioned each unit module of the prior art of the applicant needs 29 E font silicon steel sheets, because the width of the middle finger of the E font silicon steel sheet of every a slice is different, therefore unit module needs the die cutting die of the E font silicon steel sheet of 29 secondary different sizes, the present invention adopts unit module one and unit module 2 two unit module splits, wherein unit module 1 is built up by the E font silicon steel sheet that middle finger widths is different, unit module 22 is built up by half shaped as frame silicon steel sheet of same size, so, unit module 22 needs the die cutting die of a secondary half shaped as frame silicon steel sheet, and the number of molds of unit module 1 depends on the quantity of described E font silicon steel sheet, see Fig. 3, in the present embodiment, the width of the interior finger of unit module 22 equals the half of the Breadth Maximum of the middle finger of E font silicon steel sheet described in unit module 1, therefore, described in unit module 22, the quantity of half shaped as frame silicon steel sheet gets 32, then the quantity of the silicon steel sheet of E font described in unit module 1 is the summation of a sidewall silicon steel sheet quantity of described E cross magnetic core array after split and the half of the difference of half shaped as frame silicon steel sheet quantity, according to the above-mentioned prior art of the applicant, a sidewall of the described E cross magnetic core array after split comprises 58 E font silicon steel sheets, then the quantity of the silicon steel sheet of E font described in invention unit module 1 is: (58-32)/2=13, that is, the present invention is compared with the above-mentioned prior art of the applicant, described E cross magnetic core array in the present invention only needs the die cutting die of the die cutting die of the described E font silicon steel sheet of 13 secondary different sizes and 1 secondary described half shaped as frame silicon steel sheet to complete, compared to the 29 secondary moulds above-mentioned of the prior art of the applicant, save the die cutting die of a large amount of silicon steel sheets, the percentage that number of molds reduces is: (29-14)/29 × 100% ≈ 51%.
(2) boss in the middle part of the above-mentioned of the prior art described E cross magnetic core array of the applicant is solid boss, and the boss in the middle part of described E cross magnetic core array in the present invention is cannular boss, cannular boss, compared with solid boss, has saved the material of silicon steel sheet further.Although, theoretically, the present invention adopts cannular boss, magnetic flux area reduces relatively, but due to the kelvin effect of coil, the magnetic line of force on the magnetic flux area relatively reduced is more intensive, magnetic flux density increases relatively, the closer to coil, kelvin effect is more obvious, therefore, when magnetic flux area reduces relatively, due to the relative enhancing of the magnetic flux density that coil kelvin effect is brought, the actual magnetic flux produced does not reduce, in this case, cannular boss is relative to solid boss, save the material of a certain amount of silicon steel sheet, same be designed to example with 36 watts of fluorescent lamp ballasts, the above-mentioned of the prior art described solid E cross magnetic core array weight of the applicant is 439 grams, and hollow E cross magnetic core array weight of the present invention is 365 grams, the percentage of silicon steel material saving is: (439-365)/439 × 100% ≈ 16.9%, compared with 36 watts of fluorescent lamp ballasts of producing with Philips Corporate, the weight of 36 watts of fluorescent lamp ballasts that Philips Corporate produces is 488 grams, the present invention is for 36 watts of fluorescent lamp ballasts that Philips Corporate produces, and the percentage of silicon steel material saving is: (488-365)/488 × 100% ≈ 25%.
(3) fasten by the present invention shown in Fig. 3 of upper and lower two valve structure symmetries the whole magnetic core array forming inductance type ballast or transformer, because its intermediate lands is hollow structure, thus the area of dissipation of the whole magnetic core array of inductance type ballast or transformer is added, working temperature due to ballast often declines 10 ° of C, working life roughly extends one times, namely temperature rise is lower, and the life-span is longer, so the raising of the present invention to ballast life is very significant.Same be designed to example with 36 watts of fluorescent lamp ballasts, the temperature rise of the above-mentioned of the prior art described solid E cross magnetic core array of the applicant is less than or equal to 65 DEG C, and the temperature rise of hollow E cross magnetic core array of the present invention is less than or equal to 55 DEG C, the percentage that temperature rise reduces is: (65-55)/65 × 100% ≈ 15.3%; Compared with 36 watts of fluorescent lamp ballasts of producing with Philips Corporate, 36 watts of fluorescent lamp ballast temperature rises that Philips Corporate produces are less than or equal to 60 DEG C, the present invention is for 36 watts of fluorescent lamp ballasts that Philips Corporate produces, and the percentage that silicon steel temperature rise reduces is: (60-55)/60 × 100% ≈ 8.3%.
The present invention, compared with the design of the applicant's Chinese patent CN202796350U, had both decreased the number of molds of die-cut silicon steel sheet, had again saved silicon steel material, material-saving Be very effective.
Above to the explanation of the present invention and technique effect thereof the structure mainly for inductance type ballast, the present invention is applied to the structure of transformer and the explanation of technique effect is substantially identical with inductance type ballast, difference is only the coiling of inductance coil, the inductance coil of inductance type ballast only has two joints, the inductance coil of transformer has multiple coil and multiple joint, and both magnetic cores are identical with the structure of wire casing.
Claims (4)
1. the structure of nodal wood type inductance type ballast or transformer magnetic core, described magnetic core array is E decussate texture, it is characterized in that: comprise unit module one and unit module two, and unit module one is formed by stacking by E font silicon steel sheet, unit module two is formed by stacking by half shaped as frame silicon steel sheet, wherein:
Being constructed as follows of unit module one: using first E font silicon steel sheet as reference plate, upper finger, the lower finger of described reference plate are provided with groove respectively and between its middle finger, along the center line of middle finger by 90 ° for described reference plate bending; From second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases successively, other size constancies, and by second E font silicon steel sheet and each E font silicon steel sheet afterwards, in 90 ° along its middle finger center line bending successively; The E font silicon steel sheet described reference plate of bending, middle finger widths being increased successively rear gained bending is superimposed by length order, assembles the unit module one of magnetic core array;
Being constructed as follows of unit module two: be formed by stacking by half identical shaped as frame silicon steel sheet, be provided with groove between the interior finger of described half shaped as frame silicon steel sheet and outer finger, the width of described groove is consistent with the width of the described groove of unit module one;
Four unit modules one and the split of four unit modules two, form described E cross magnetic core array, four unit modules one form four band bights jaggy of described E cross magnetic core array respectively, unit module two is entrenched in often between adjacent two unit modules one, and the described groove of the unit module one of the described groove of unit module two and its both sides overlaps, form the rule groove of described E cross magnetic core array; The interior finger side of unit module two and the middle finger side of unit module one form the cannular boss in the middle part of described E cross magnetic core array.
2. the structure of nodal wood type inductance type ballast as claimed in claim 1 or transformer magnetic core, is characterized in that: the height of described reference plate middle finger is greater than the height of finger and lower finger on described reference plate; The height of the interior finger of described half shaped as frame silicon steel sheet is greater than its height referred to outward.
3. the structure of nodal wood type inductance type ballast as claimed in claim 1 or 2 or transformer magnetic core, is characterized in that:
In unit module one, the width a of the upper finger of described reference plate and the lower finger described groove respectively and between middle finger is the width of the rule groove of described E cross magnetic core array; The height b of described upper finger and lower finger is respectively a/2; On described reference plate, finger and the width r of lower finger and the width r of reference plate vertical edge are conventional magnetic path width;
In unit module two, the width of the described groove between the interior finger of half shaped as frame silicon steel sheet and outer finger is the width a of described E cross magnetic core array rule groove; The height of described outer finger is the height b of finger and lower finger on described reference plate; The width of interior finger and outer finger and the width of its vertical edge are conventional magnetic path width;
In unit module one, from second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases h successively, and described h value is: h=2d+2e, and wherein d is E font silicon steel sheet thickness, and e is the gap between E font silicon steel sheet; Needed for the quantity f of E font silicon steel sheet that widens successively be: f=(c-i-g)/2d, wherein c is the length of side of the rule groove inner circumferential of described E cross magnetic core array, i is the length of groove described in unit module two, g for the minimum widith of the permission bending of reference plate middle finger described in unit module one, d be silicon steel sheet thickness;
In unit module two, the quantity j of required half shaped as frame silicon steel sheet is: j=(c-2k)/d, and wherein c is the length of side of the rule groove inner circumferential of described E cross magnetic core array, k for the length of groove described in unit module one, d be silicon steel sheet thickness.
4. the structure of nodal wood type inductance type ballast as claimed in claim 1 or 2 or transformer magnetic core, it is characterized in that: in unit module one, described reference plate or/and described each middle finger widths increase successively after each E font silicon steel sheet, at least comprise the E font silicon steel sheet of a slice same size respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310223234.8A CN103310955B (en) | 2013-06-06 | 2013-06-06 | Structure of magnetic core body of material-saving inductive ballast or transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310223234.8A CN103310955B (en) | 2013-06-06 | 2013-06-06 | Structure of magnetic core body of material-saving inductive ballast or transformer |
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| CN103310955B true CN103310955B (en) | 2016-02-24 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073766A (en) * | 1990-11-16 | 1991-12-17 | Square D Company | Transformer core and method for stacking the core |
| US5703559A (en) * | 1995-09-09 | 1997-12-30 | Vacuumschmelze Gmbh | Plate packet for magnet cores for use in inductive components having a longitudinal opening |
| CN102360911A (en) * | 2011-07-08 | 2012-02-22 | 温博 | Method for manufacturing magnetic core of inductive ballast or transformer |
| CN202178133U (en) * | 2011-07-08 | 2012-03-28 | 温博 | Structure of inductive ballast or transformer magnetic core |
| CN203415365U (en) * | 2013-06-06 | 2014-01-29 | 温博 | Structure of material-saving inductance type ballast or transformer magnetic core body |
-
2013
- 2013-06-06 CN CN201310223234.8A patent/CN103310955B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5073766A (en) * | 1990-11-16 | 1991-12-17 | Square D Company | Transformer core and method for stacking the core |
| US5703559A (en) * | 1995-09-09 | 1997-12-30 | Vacuumschmelze Gmbh | Plate packet for magnet cores for use in inductive components having a longitudinal opening |
| CN102360911A (en) * | 2011-07-08 | 2012-02-22 | 温博 | Method for manufacturing magnetic core of inductive ballast or transformer |
| CN202178133U (en) * | 2011-07-08 | 2012-03-28 | 温博 | Structure of inductive ballast or transformer magnetic core |
| CN203415365U (en) * | 2013-06-06 | 2014-01-29 | 温博 | Structure of material-saving inductance type ballast or transformer magnetic core body |
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| CN103310955A (en) | 2013-09-18 |
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