CN202473578U - Inductive ballast - Google Patents
Inductive ballast Download PDFInfo
- Publication number
- CN202473578U CN202473578U CN2012200093214U CN201220009321U CN202473578U CN 202473578 U CN202473578 U CN 202473578U CN 2012200093214 U CN2012200093214 U CN 2012200093214U CN 201220009321 U CN201220009321 U CN 201220009321U CN 202473578 U CN202473578 U CN 202473578U
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- inductive ballast
- magnetic core
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Abstract
The utility model provides an inductive ballast which comprises a magnetic core, wherein the magnetic core is an III-type magnetic core which is composed of a horizontal base part and three vertical magnetic posts together, wherein the magnetic core is formed through the overlapping of a plurality of III-type first magnetic core sheets along the first direction, wherein two end parts of the intermediate magnetic post in the three vertical magnetic posts along the first direction are respectively provided with a concave part, and the concave parts are internally filled with a plurality of second magnetic core sheets overlapped along the second direction, wherein the second direction and the first direction are mutually vertical. Silicon steel sheets at two end parts of the intermediate magnetic post of the magnetic core of the inductive ballast provided by the utility model are overlapped vertically, thus the central magnetic post of the inductive ballast is in a horizontally sandwiched shape, and four sides of the magnetic posts can be actuated effectively by magnetic force wires.
Description
Technical field
The utility model relates to a kind of Inductive ballast, relates in particular to a kind of Inductive ballast that improves its leakage field structural design.
Background technology
Current, most " EI " type lamination patterns that adopt of the Inductive ballast product of producing on the domestic and international market, its major defect is that the magnetic line of force that coil produces is in free state at the two ends of ballast, and magnetic field is distributed unbalanced, and electromagnetic efficiency is lower.Thereby reduce the purpose that magnetic flux density reduces magnetic loss in order to reach; Traditional product adopts increases the folded thick of lamination; Increase the long-pending way of core section, but this girth and the length overall of line copper-clad number of wire turns have been increased, so produced the increase of copper consumption and the problem that the D.C. resistance hear rate increases.
For example, Fig. 3 shows the decomposing schematic representation of an embodiment of the Inductive ballast of prior art.As shown in Figure 3, the Inductive ballast 300 of prior art mainly comprises: magnetic core 301, coil 302 and yoke 303.Wherein, magnetic core 301 is an III shape magnetic core.Coil 302 is sheathed on the intermediate magnetic post of magnetic core 301.Yoke 303 flatly is arranged on the magnetic core 301.Fig. 2 b schematically shows the magnetic line of force in the coil of Inductive ballast of prior art.As shown in the figure, traditional Inductive ballast is free many because of the magnetic line of force 202 of its iron core column both ends of the surface, and leakage field is bigger, causes the low-power consumption of ballast efficient big.
The utility model content
To the above-mentioned deficiency of prior art, the utility model aims to provide a kind of Inductive ballast, and it improves its leakage field design and improve electromagnetic conversion efficient on the structure of original traditional " EI " type Inductive ballast.
Particularly; The utility model provides a kind of Inductive ballast, comprising: magnetic core, said magnetic core are the III shape magnetic cores that is made up of jointly the vertical magnetic post with three of horizontal base part; Wherein, Said magnetic core is made up of along the first direction stack first magnetic chip of a plurality of III shapes, and wherein, the place, two ends on the said first direction of the intermediate magnetic post in said three vertical magnetic posts is formed with a recess respectively; And be filled with in the said recess along a plurality of second magnetic chips of second direction stack, wherein said second direction is vertical each other with said first direction.
Preferably, in above-mentioned Inductive ballast, can also comprise: coil is sheathed on the intermediate magnetic post in said three vertical magnetic posts; And yoke, flatly be arranged on said three vertical magnetic posts, relative with the horizontal base part of said magnetic core.
Preferably, in above-mentioned Inductive ballast, said recess is a cube recess.
Preferably, in above-mentioned Inductive ballast, on said second direction, said cube recess is positioned at the centre position of the end of said intermediate magnetic post.
Preferably, in above-mentioned Inductive ballast, said second magnetic chip is the rectangle magnetic chip.
Preferably, in above-mentioned Inductive ballast, said first magnetic chip and said second magnetic chip are silicon steel sheet.
As stated, traditional Inductive ballast is free many because of the magnetic line of force of its iron core column both ends of the surface, and leakage field is bigger, causes the low-power consumption of ballast efficient big.By contrast, the intermediate magnetic post two end portions silicon steel sheet of the magnetic core of the Inductive ballast of the utility model adopts vertically folded system, makes the center magnetic post level of Inductive ballast be sandwich shape, makes four sides of magnetic post all can absorb effectively the magnetic line of force.Therefore, the utility model has overcome the free many drawbacks of " EI " sections stem stem both ends of the surface magnetic line of force of traditional structure, has improved the utilance and the electromagnetic conversion efficient of the magnetic line of force.
Should be appreciated that the above generality of the utility model is described and following detailed description all is exemplary and illustrative, and be intended to further explanation is provided for as claimed in claim the utility model.
Description of drawings
Comprise that accompanying drawing is for providing the utility model further to be understood, they are included and are constituted the application's a part, and accompanying drawing shows the embodiment of the utility model, and play the effect of explaining the utility model principle with this specification.In the accompanying drawing:
Fig. 1 a shows the decomposing schematic representation according to an embodiment of the Inductive ballast of the utility model.
Fig. 1 b is the viewgraph of cross-section of III shape magnetic core.
Fig. 1 c is the diagrammatic sketch that the lamination of III shape magnetic core is shown.
Fig. 2 a schematically shows according to the magnetic line of force in the coil of the Inductive ballast of the utility model.
Fig. 2 b schematically shows the magnetic line of force in the coil of Inductive ballast of prior art.
Fig. 3 shows the decomposing schematic representation of an embodiment of the Inductive ballast of prior art.
Embodiment
The embodiment of the utility model will be described with reference to the drawings now in detail.
According to Faraday's electromagnetic induction law V=-N (d Φ/dt)=-NBA ω, effective raising of the electromagnetic conversion efficient of this Inductive ballast is described further.The voltage of V in formula for producing, N is the number of turn of coil, the magnetic field of d Φ/dt for changing; B is the intensity in magnetic field, and A is the magnetic core sectional area, thereby the product that can know voltage V and magnetic field intensity B magnetic core sectional area A is directly proportional; Voltage is directly proportional with the number of turn of coil, and under the situation of the elementary or secondary voltage of setting, the product of the number of turn of coil and magnetic core sectional area is Changshu of a design; Magnetic field intensity is big more, and the voltage that is produced (or electric current) is big more, and the magnetic core sectional area is big more; The voltage that is produced (or electric current) is also big more, and electromagnetic conversion efficient is also just high more.
According to above-mentioned principle, the utility model has been developed a kind of Inductive ballast, and it improves its leakage field design and improve electromagnetic conversion efficient on the structure of original traditional " EI " type Inductive ballast.As shown in Figure 1, the Inductive ballast 100 of the utility model mainly comprises: magnetic core 101, coil 102 and yoke 103.In this embodiment, magnetic core 101 is the III shape magnetic cores that are made up of jointly the vertical magnetic post 105-1～105-3 with three of horizontal base part 104.In addition, coil 102 is sheathed on three intermediate magnetic post 105-2 in the vertical magnetic post.It is last that yoke 103 flatly is arranged at three vertical magnetic post 105-1～105-3, relative with the horizontal base part 104 of magnetic core 101.
Forward Fig. 1 c now to, it illustrates the diagrammatic sketch of the lamination of III shape magnetic core.As shown in the figure, the magnetic core 101 of the utility model is made up of along first direction A stack first magnetic chip of a plurality of III shapes.For example, Fig. 1 b also can be regarded as the front view of first magnetic chip of above-mentioned III shape.
Particularly, according to the utility model, the place, two ends on the first direction A of the intermediate magnetic post 105-2 in three vertical magnetic posts is formed with a recess 106 respectively, please refer to Fig. 1 a～1c.Be filled with in this recess 106 along a plurality of second magnetic chips of second direction B (shown in Fig. 1 c) stack, wherein this second direction B is vertical each other with aforesaid first direction A.
In the preferred embodiment shown in Fig. 1 a-Fig. 1 c, recess 106 is a cube recess, and this cube recess is positioned at the centre position of the end of said intermediate magnetic post 102.Therefore, the rectangle magnetic chip that just conforms to of second magnetic chip with this cubical shape of cross section.But those skilled in the art also can be according to actual needs and to suitably adjusting in the shape and the position of this recess, above-mentioned adjustment is obviously also within the scope of asking for protection of the utility model.
According to a preferred embodiment of the utility model, first magnetic chip and second magnetic chip of the utility model are silicon steel sheet.
Fig. 2 a schematically shows according to the magnetic line of force in the coil of the Inductive ballast of the utility model.Fig. 2 b schematically shows the magnetic line of force in the coil of Inductive ballast of prior art.As stated, traditional Inductive ballast is free many because of the magnetic line of force 202 of its iron core column both ends of the surface, and leakage field is bigger, causes the low-power consumption of ballast efficient big, shown in Fig. 2 b.By contrast; The intermediate magnetic post two end portions silicon steel sheet of the magnetic core of the Inductive ballast of the utility model adopts vertically folded system; Make the center magnetic post level of Inductive ballast be sandwich shape, make four sides of magnetic post all can absorb effectively, shown in Fig. 2 a the magnetic line of force 201.Therefore, the utility model has overcome the free many drawbacks of " EI " sections stem stem both ends of the surface magnetic line of force of traditional structure, has improved the utilance and the electromagnetic conversion efficient of the magnetic line of force.
Those skilled in the art can be obvious, can carry out various modifications and modification to the above-mentioned exemplary embodiment of the utility model and do not depart from the spirit and the scope of the utility model.Therefore, be intended to make the utility model to cover modification and the modification that drops in appended claims and the come scope thereof to the utility model.
Claims (6)
1. an Inductive ballast is characterized in that, comprising:
Magnetic core, said magnetic core are the III shape magnetic cores that is made up of jointly the vertical magnetic post with three of horizontal base part,
Wherein, said magnetic core is made up of along the first direction stack first magnetic chip of a plurality of III shapes,
Wherein, Place, two ends on the said first direction of the intermediate magnetic post in said three vertical magnetic posts is formed with a recess respectively; And be filled with in the said recess along a plurality of second magnetic chips of second direction stack, wherein said second direction is vertical each other with said first direction.
2. Inductive ballast as claimed in claim 1 is characterized in that, also comprises:
Coil is sheathed on the intermediate magnetic post in said three vertical magnetic posts; And
Yoke flatly is arranged on said three vertical magnetic posts, and is relative with the horizontal base part of said magnetic core.
3. Inductive ballast as claimed in claim 1 is characterized in that, said recess is a cube recess.
4. Inductive ballast as claimed in claim 3 is characterized in that, on said second direction, said cube recess is positioned at the centre position of the end of said intermediate magnetic post.
5. Inductive ballast as claimed in claim 4 is characterized in that, said second magnetic chip is the rectangle magnetic chip.
6. Inductive ballast as claimed in claim 1 is characterized in that, said first magnetic chip and said second magnetic chip are silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200093214U CN202473578U (en) | 2012-01-10 | 2012-01-10 | Inductive ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200093214U CN202473578U (en) | 2012-01-10 | 2012-01-10 | Inductive ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473578U true CN202473578U (en) | 2012-10-03 |
Family
ID=46921722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200093214U Withdrawn - After Issue CN202473578U (en) | 2012-01-10 | 2012-01-10 | Inductive ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202473578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198919A (en) * | 2012-01-10 | 2013-07-10 | 上海亿亚电器有限公司 | Inductive ballast |
-
2012
- 2012-01-10 CN CN2012200093214U patent/CN202473578U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198919A (en) * | 2012-01-10 | 2013-07-10 | 上海亿亚电器有限公司 | Inductive ballast |
| CN103198919B (en) * | 2012-01-10 | 2015-10-28 | 上海亿亚电器有限公司 | Inductive ballast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20151028 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |