CN202796350U - Structure of magnetic core body of inductive ballast or transformer for further saving materials and energy - Google Patents
Structure of magnetic core body of inductive ballast or transformer for further saving materials and energy Download PDFInfo
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- CN202796350U CN202796350U CN 201220429885 CN201220429885U CN202796350U CN 202796350 U CN202796350 U CN 202796350U CN 201220429885 CN201220429885 CN 201220429885 CN 201220429885 U CN201220429885 U CN 201220429885U CN 202796350 U CN202796350 U CN 202796350U
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- 230000001939 inductive effect Effects 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 title abstract 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 40
- 239000007769 metal material Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 6
- 238000005267 amalgamation Methods 0.000 claims description 3
- 238000003475 lamination Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model relates to a structure of a magnetic core body of an inductive ballast or transformer for further saving materials and energy. The magnetic core body is in an E-cross-shaped structure which is structured that a first E-cross-shaped silicon steel sheet is used as a reference sheet, wherein a middle finger of the reference sheet is longer than the upper and lower fingers of the reference sheet, and the reference sheet is bended to 90 degrees along the center of the middle finger of the reference sheet; the widths of the middle fingers of the E-cross-shaped silicon steel sheets are added with h sequentially from the second E-cross-shaped silicon steel sheet, while other dimensions are not changed; the E-cross-shaped silicon steel sheets obtained are bended to 90 degrees along the central lines of the middle fingers; the bended silicon steel sheets are superposed sequentially according to length and integrated a unit module of the magnetic core body, wherein the volume of the unit module accounts for 1/4 of that of the whole E-cross-shaped magnetic core body; the unit modules of the other three magnetic core bodies are integrated by the same method; the four unit modules are spliced to obtain the E-cross-shaped magnetic core body. According to the structure of the magnetic core body of the inductive ballast or transformer for further saving materials and energy provided by the utility model, the magnetic resistance is remarkably reduced, and the number of coils for the inductive ballast or transformer prepared thereby can be reduced, so that the technical effect of further saving materials and energy can be realized.
Description
Technical field
The utility model relates to inductive type ballast or transformer, relates in particular to the magnetic core array of inductive type ballast or transformer.
Background technology
The existing market illumination is divided into two large classes with ballast: inductance type and electronic type.Electronic ballast is because useful life is short and the problem such as high-frequency harmonic interference, thus market mostly adopt remain inductance type ballast.Inductance type ballast is divided into two classes substantially according to the magnetic core array structure: E font and C font.C font ballast is because the problem such as processing technology complexity and price be more expensive is at present domestic still take E font ballast as the mainstream product in the market.
The Chinese patent CN202178133U " structure of a kind of Inductive ballast or transformer magnetic core " of the applicant's application discloses a kind of Inductive ballast or transformer of energy-saving material-saving of E shaped magnetic core body structure, its magnetic core array is fastened by the E cross magnetic core array of two valve structure symmetries up and down and consists of, and the magnetic circuit of described magnetic core array is closed; Being configured to of described epivalve or hypovalve E cross magnetic core array: the center has the magnetic core array boss, the periphery of corresponding magnetic core array boss arranges respectively vertical magnetic core array sidewall, consist of respectively the rule groove between described magnetic core array sidewall and the described corresponding magnetic core array boss periphery, described groove has bottom land, and the upper end of groove is uncovered; The height of described magnetic core array boss when the E cross magnetic core array of two valve structure symmetries fastens the magnetic core array that consists of described magnetic circuit closure up and down, leaves magnetic gap between the corresponding up and down magnetic core array boss less than the height of described magnetic core array sidewall,
The Inductive ballast of making according to the said structure magnetic core array is suitable for requirement magnetic leakage circlet border and uses after tested.The chance of a chance, the applicant states in the test of Inductive ballast on the implementation, the height of above-mentioned magnetic core array boss has been made height greater than described magnetic core array sidewall, when the E cross magnetic core array of two valve structure symmetries fastens the magnetic core array that consists of described magnetic circuit closure up and down, leave magnetic gap between the corresponding up and down magnetic core array sidewall, after tested, the magnetic resistance of finding magnetic core array reduces obviously, the inductance value of Inductive ballast is significantly improved, in the situation of same electrical sensibility reciprocal, further energy-saving material-saving.
The utility model content
The applicant is on the basis of above-mentioned test, a kind of structure of Inductive ballast or transformer magnetic core of further saving metal material and energy is provided, it is with respect to Chinese patent CN202178133U, magnetic resistance obviously reduces, by its Inductive ballast that makes or transformer, can reduce the number of turns of coil, reach further saving metal material and energy
Technique effect.
The technical solution of the utility model is as follows:
The structure of a kind of Inductive ballast or transformer magnetic core, described magnetic core array are the E decussate texture, following structural features:
(1) first E font silicon steel sheet is as reference plate, and the length of described reference plate middle finger is greater than referring on the reference plate and the length of lower finger, along the center line of described reference plate middle finger described reference plate is bent into 90 °;
(2) since second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases h, other size constancies successively; With each E font silicon steel sheet of this architectural feature gained, be bent into 90 ° along its middle finger center line successively;
(3) the E font silicon steel sheet of architectural feature (1), (2) gained bending assembles the unit module of magnetic core array by length order lamination, and its volume accounts for 1/4 of described E cross magnetic core array integral body;
(4) architectural feature (1) to (3) same structure assembles the unit module of the described magnetic core array of other 3 architectural features (3);
(5) the unit module amalgamation of architectural feature (3) and (4) obtained magnetic core body, it is whole to consist of described E cross magnetic core array.
Further technical scheme is:
The upper finger of the described reference plate of architectural feature (1) and lower finger are the width of Inductive ballast or transformer rule groove with the spacing a of middle finger respectively; The length b of described upper finger and lower finger is respectively a/2; Finger and the width of lower finger and the width of reference plate vertical edge are conventional magnetic circuit width r on the described reference plate; The described h value of architectural feature (2) is: h=2d+2e, and wherein d is E font silicon steel sheet thickness, e is the gap between the E font silicon steel sheet; The quantity f of the required E font silicon steel sheet of widening successively is: f=(c-g)/and 2d, wherein c is the length of side in week in Inductive ballast or the transformer rule groove, g is the minimum widith of the permission bending of the described reference plate middle finger of architectural feature (1), and d is silicon steel sheet thickness.
The described reference plate of architectural feature (1) comprises respectively the E font silicon steel sheet of a slice same size at least or/and the described E font silicon steel sheet that finger widths increases successively in each of architectural feature architectural feature.
Technique effect of the present utility model is: in magnetic loop, the magnetic gap place is maximum to the resistance of the magnetic line of force, and namely the magnetic gap place has maximum magnetic resistance.The magnetic gap area is larger, and the magnetic resistance of Inductive ballast or transformer is just larger, and corresponding inductance is less.In design of the present utility model, pass through the magnetic flux area (being the area of center magnetic core body projection section) of coil greater than the cross-sectional area sum of four sidewalls of magnetic core array.Therefore work as the height of center magnetic core array projection section greater than the height of described magnetic core array sidewall, magnetic gap is positioned at center magnetic core body sidewall part, and corresponding magnetic resistance reduces, and inductance value increases.See Fig. 1-C, the area of establishing center magnetic core body projection section is A, and the cross-sectional area sum of four sidewalls of magnetic core array is B, A＞B, and then the increase percentage of inductance value is:
〔（Ａ－Ｂ）／Ｂ〕×100%＝〔（Ａ／Ｂ）－1〕×100%
By following formula as seen, in the inductance value of the present utility model situation identical with the Chinese patent CN202178133U inductance value of the applicant's application, can reduce the number of turns of coil, reach the technique effect of further saving metal material and energy.
Description of drawings
Fig. 1 is the schematic diagram that the magnetic core array unit module consists of process.
Fig. 2 is the integrally-built schematic diagram of magnetic core array.
Embodiment
See Fig. 1, Fig. 2, the utility model is take the inductance type ballast of square magnetic circuit as embodiment, its following structural features:
(1) see Fig. 1-A, first E font silicon steel sheet is as reference plate, and the length t of described reference plate middle finger is respectively greater than referring on the reference plate and the length s of lower finger, between difference be k; The upper finger 2(x sheet of reference plate) and lower finger 2(y sheet) respectively with middle finger 4(z sheet) spacing a be the width of rule groove 3; The length b of described upper finger and lower finger is respectively a/2; Finger and the width of lower finger and the width of reference plate vertical edge are conventional magnetic circuit width r on the described reference plate; Center line along the gained reference plate is bent into 90 °, as shown in Figure 1B;
(2) since second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases h, other size constancies successively; Described h value is: h=2d+2e, and wherein d is silicon steel sheet thickness, e is the gap between the silicon steel sheet; The required quantity f that widens successively the E font silicon steel sheet of middle finger widths is: f=(c-g)/and 2d, wherein c is architectural feature (1) length of side in described 3 interior weeks of rule groove, be the length of side or the hem width of square magnetic core array boss 7 shown in Figure 2 in other words, g is the minimum widith of the described reference plate middle finger 4 of architectural feature (1), be the minimum widith of the permission bending of middle finger, d is silicon steel sheet thickness; With each E font silicon steel sheet of this structure, the center line along its middle finger is bent into 90 ° successively, sees Fig. 1-C;
(3) the E font silicon steel sheet of architectural feature (1), (2) gained bending is pressed length order lamination, assemble unit module, its volume accounts for 1/4 of described E cross magnetic core array integral body, sees Fig. 1 D; Wherein architectural feature (1) gained reference plate surrounds respectively breach 5 between the magnetic core array sidewall shown in Figure 2 and the unfilled corner 6 of square magnetic core array boss 7 corner locations, as shown in Figure 2;
(4) by architectural feature (1) to (3) same structure, assemble the unit module of the described magnetic core array of other 3 architectural features (3);
(5) with architectural feature (3) and the amalgamation of (4) gained unit module, obtain square E cross magnetic core array integral body 1, see Fig. 2.
When making large-scale Inductive ballast or transformer magnetic core, the described reference plate of architectural feature (1) is or/and the described E font silicon steel sheet that finger widths increases successively in each of architectural feature (2), at least the E font silicon steel sheet that comprises respectively a slice same size, for example can be respectively by the E font silicon steel sheet stack sovolin of the same size more than 2 as a slice, so can reduce the number of molds of die-cut different size silicon steel sheet.
As concrete application of the present utility model, fasten the whole magnetic core array that consists of Inductive ballast or transformer by the utility model shown in Figure 2 of two valve structure symmetries up and down, can the Effective Raise Inductive ballast or the technical performance of transformer, the name that concrete visible the applicant applies on the same day is called " further Inductive ballast or the transformer of saving metal material and energy " utility model patent.
Embodiment: with the example that is designed to of 36 watts of fluorescent lamp ballasts.
(1), according to the design of the applicant's Chinese patent CN202178133U " structure of a kind of Inductive ballast or transformer magnetic core ", center magnetic core body projection section is with magnetic gap, and the magnetic core array sidewall is without magnetic gap (height of magnetic core array boss is 0.25m m less than the height of described magnetic core array sidewall).Coiling 650 circles (650T), recording inductance is that the 1H(test condition is 50 hertz, 10V);
According to the utility model, center magnetic core body projection section is without magnetic gap, and the magnetic core array sidewall has magnetic gap (height of magnetic core array boss is 0.25m m greater than the height of described magnetic core array sidewall).The area of center magnetic core body boss and magnetic core array sidewall is identical with the respective area of above-mentioned CN202178133U.When coil also was 650 circle (650T), recording inductance was that the 1.2H(test condition is 50 hertz, 10V).
(2), the comparison of design load and above-mentioned measured value:
If the length of side 31m m of center square magnetic core array boss, area A is 961m ㎡;
If the length of a sidewall of magnetic core array is 28mm, wide is 7m m, and the cross-sectional area of a sidewall is:
28 * 7=196m ㎡; The cross-sectional area sum B of four sidewalls is 196m ㎡ * 4=784m ㎡;
If inductance coil is still around 650 circles;
Magnetic gap moves to the cross-sectional area of four sidewalls by center square magnetic core array boss, and the magnetic gap area is reduced to;
Ａ－Ｂ＝961－784＝177m?㎡
The percentage that increases inductance value is: ((A/B)-1) * 100%=22%
Rising to the 1.2H(test condition with the actual measured value of embodiment 1 inductance value from 1H is 50 hertz, 10V) substantially match.
(3), in the situation about remaining unchanged such as inductance value of the present utility model, for example maintaining inductance is that the 1H(test condition is 50 hertz, 10V), be about 600 circles through the wire circle of advance copy utility model coiling; Being that the 1H(test condition is 50 hertz, 10V with the design of the applicant's Chinese patent CN202178133U-maintain inductance) coiling 650 circles compare, and can reduce the number of turns 50 circles of coil, and the material-saving effect is remarkable.
(4), after tested, corresponding internal resistance is 35 Ω during coil 650 circle, and corresponding internal resistance is 31 Ω during coil 600 circle.
36 watts of fluorescent lamps are according to its design standard, and operating current is 350mA, and the power consumption of calculating its ballast during coil 600 circle is: I
2R=0.35
2* 35=4.29W; The power consumption of calculating its ballast during the utility model coil 650 circle is: I
2R=0.35
2* 31=3.80W; The utility model is saved electrical power 4.29-3.80=0.49W, and energy-conservation ratio is: ((4.29-3.80)/4.29) * 100%=11.4%.The utility model is compared with the design of the applicant's Chinese patent CN202178133U, has both reduced the number of turns 50 circles of coil, has reduced again by 11.4% power consumption, and the saving metal material and energy effect is remarkable.
More than to the explanation of the utility model and technique effect thereof the structure mainly for inductance type ballast, it is basic identical that the utility model is applied to explanation and the inductance type ballast of the structure of transformer and technique effect thereof, difference only is the coiling of inductance coil, the inductance coil of inductance type ballast only has two joints, the inductance coil of transformer has a plurality of coils and a plurality of joint, and the structure of both magnetic cores and wire casing is identical.
Claims (3)
1. the structure of the Inductive ballast of a further saving metal material and energy or transformer magnetic core, it is characterized in that: described magnetic core array is the E decussate texture, following structural features:
(1) first E font silicon steel sheet is as reference plate, and the length of described reference plate middle finger is greater than referring on the reference plate and the length of lower finger, along the center line of described reference plate middle finger described reference plate is bent into 90 °;
(2) since second E font silicon steel sheet, the width of E font silicon steel sheet middle finger increases h, other size constancies successively; With each E font silicon steel sheet of this architectural feature gained, be bent into 90 ° along its middle finger center line successively;
(3) the E font silicon steel sheet of architectural feature (1), (2) gained bending assembles the unit module of magnetic core array by length order lamination, and its volume accounts for 1/4 of described E cross magnetic core array integral body;
(4) architectural feature (1) to (3) same structure assembles the unit module of the described magnetic core array of other 3 architectural features (3);
(5) the unit module amalgamation of architectural feature (3) and (4) obtained magnetic core body, it is whole to consist of described E cross magnetic core array.
2. the as claimed in claim 1 further Inductive ballast of saving metal material and energy or the structure of transformer magnetic core is characterized in that:
(1) the upper finger of the described reference plate of architectural feature (1) and lower finger are the width of Inductive ballast or transformer rule groove with the spacing a of middle finger respectively; The length b of described upper finger and lower finger is respectively a/2; Finger and the width of lower finger and the width of reference plate vertical edge are conventional magnetic circuit width r on the described reference plate;
(2) the described h value of architectural feature (2) is: h=2d+2e, and wherein d is E font silicon steel sheet thickness, e is the gap between the E font silicon steel sheet; The quantity f of the required E font silicon steel sheet of widening successively is: f=(c-g)/and 2d, wherein c is the length of side in week in Inductive ballast or the transformer rule groove, g is the minimum widith of the permission bending of the described reference plate middle finger of architectural feature (1), and d is silicon steel sheet thickness.
3. the structure of Inductive ballast or transformer magnetic core as claimed in claim 1 or 2, it is characterized in that: the described reference plate of architectural feature (1) comprises respectively the E font silicon steel sheet of a slice same size at least or/and the described E font silicon steel sheet that finger widths increases successively in each of architectural feature (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429885 CN202796350U (en) | 2012-08-27 | 2012-08-27 | Structure of magnetic core body of inductive ballast or transformer for further saving materials and energy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220429885 CN202796350U (en) | 2012-08-27 | 2012-08-27 | Structure of magnetic core body of inductive ballast or transformer for further saving materials and energy |
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| CN202796350U true CN202796350U (en) | 2013-03-13 |
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| CN 201220429885 Expired - Fee Related CN202796350U (en) | 2012-08-27 | 2012-08-27 | Structure of magnetic core body of inductive ballast or transformer for further saving materials and energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810387A (en) * | 2012-08-27 | 2012-12-05 | 温博 | Structure of magnetic core body of inductance ballast or transformer capable of further saving material and energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810387A (en) * | 2012-08-27 | 2012-12-05 | 温博 | Structure of magnetic core body of inductance ballast or transformer capable of further saving material and energy |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20140827 |
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| EXPY | Termination of patent right or utility model |