CN101996741B - Transformer CI magnetic core for multi-specification liquid crystal display - Google Patents
Transformer CI magnetic core for multi-specification liquid crystal display Download PDFInfo
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- CN101996741B CN101996741B CN200910056743XA CN200910056743A CN101996741B CN 101996741 B CN101996741 B CN 101996741B CN 200910056743X A CN200910056743X A CN 200910056743XA CN 200910056743 A CN200910056743 A CN 200910056743A CN 101996741 B CN101996741 B CN 101996741B
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Abstract
The invention relates to a transformer CI magnetic core for a multi-specification liquid crystal display. The magnetic core comprises a C-shaped magnetic core and an I-shaped magnetic core, wherein the C-shaped magnetic core is in a C shape; and the I-shaped magnetic core is cubic. Compared with the prior art, the transformer CI magnetic core has the advantages of wide use range, higher electromagnetic performance, simple structure and shape, large heat radiating area, simple preparation process and ensures electric inductance and leakage inductance of a transformer; in addition, a transformer manufactured by the magnetic core achieves greatly improved conversion efficiency, greatly reduced production cost and greatly improved working reliability.
Description
Technical field
The present invention relates to a kind of magnetic core of transformer, especially relate to a kind of many specifications LCD with transformer CI magnetic core.
Background technology
Along with the requirement of consumer to the LCD TV industry, the LCD TV industry has been accelerated lightness, slimming process, and the consumer has higher requirement to the reliability of LCD TV simultaneously; In order to satisfy the demands of consumers, each big LCD TV manufacturer has accelerated the dynamics of research and development, 2005 to 2009 one after another; LCD TV is developed into V5 generation by V1 generation; Almost every year more a new generation, the boost conversion transformer above the core PCB of LCD TV carries out very big upgrading, is example with 46 o'clock LCD TVs; Transformer specification upgrades to CI shape by EPC shape, and number transformer reduces to V5 generations 4 cover by 64 covers in V1 generation.The present invention researches and develops under the background of LCD TV upgrading just, and the successful development professional etiquette modelling volume production of going forward side by side at short notice.The shipment amount of LCD TV is about 2,000 ten thousand/year at present, and the demand of CI deformation depressor is about 4000-5000 ten thousand covers, and the demand of CI shape magnetic core is ten thousand pairs/year of about 5000-6000.V2, V3 are for the LCD TV that mainly is the corresponding a size of a magnetic core, and V4, V5 are for the LCD TV that progressively develops into the corresponding many moneys transformer of a magnetic core, corresponding many moneys size.
Summary of the invention
The object of the invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of scope of application widely many specifications LCD with transformer CI magnetic core.
The object of the invention can be realized through following technical scheme:
A kind of many specifications LCD is characterized in that with transformer CI magnetic core this magnetic core is made up of C shape magnetic core and two parts of I shape magnetic core.
Described C shape magnetic core is that " [" shape, the length of this magnetic core are 4.4-4.6mm, and width is 24.75-25.25mm; Highly be 43.8-44.6mm; The thickness in left side is 1.9-2.1mm, and the thickness of right side projection is 2.4-2.6mm, and the height of right side projection is 4.6-5.4mm.
Described I shape magnetic core be shaped as cuboid, the thickness of this magnetic core is 3-3.2mm, width is 17.25-17.75mm, highly is 44.6-45.4mm.
Described CI magnetic core is processed by MnZn ferrite material.
Described CI magnetic core is assemblied in C shape magnetic core on the I shape magnetic core when assembling, and the projection of C shape magnetic core is connected with I shape magnetic core.
Described CI magnetic core can be installed in the LCD TV that comprises or at 32 o'clock, 37 o'clock at 42 o'clock through surface-pasted method.
Compared with prior art, the present invention has the following advantages:
(1) scope of application is extensive; This magnetic core mainly uses at 32 o'clock, 37 o'clock, 42 o'clock above the LCD TV at present; Use 2 machines at 32 o'clock, used 1 machine at 37 o'clock, used 2 machines at 42 o'clock; Mainly concentrate on V4, V5 on the LCD TV, help many specifications, the large-scale production of many kinds of transformer and LCD TV;
(2) electromagnetic performance is better, guarantees inductance, the leakage inductance of transformer, through high pressure screen of TV set is lighted to make television set get into operating state, through the screen intensity difference of leakage inductance discreteness control liquid crystal TV set;
(3) core structure simple shape, area of dissipation is big, and manufacture craft is simple, and the transformer conversion efficiency made from this magnetic core increases substantially, and greatly reduces production cost, and functional reliability increases substantially.
Description of drawings
Fig. 1 is the front view of C shape magnetic core;
Fig. 2 is the right view of C shape magnetic core;
Fig. 3 is the front view of I shape magnetic core;
Fig. 4 is the right view of I shape magnetic core;
Fig. 5 is the assembling front view of this CI magnetic core;
Fig. 6 is the assembling right view of this CI magnetic core.
1 is C shape magnetic core among the figure, and 2 is I shape magnetic core.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated.
A kind of many specifications LCD is with transformer CI magnetic core, and this magnetic core is made up of C shape magnetic core 1 and 2 two parts of I shape magnetic core, and KP95 processes by MnZn ferrite material.The front view of C shape magnetic core 1 is as shown in Figure 1, and right view is as shown in Figure 2, and C shape magnetic core 1 is " [" shape; The length of this magnetic core is 4.5mm, and width is 25.0mm, highly is 44.2mm; The thickness in left side is 2.0mm, and the thickness of right side projection is 2.5mm, highly is 5.0mm; The front view of I shape magnetic core 2 is as shown in Figure 3, and right view is as shown in Figure 4, I shape magnetic core 2 be shaped as cuboid, thickness is 3.1mm, width is 17.5mm, highly is 45.0mm.The assembling front view of CI magnetic core is as shown in Figure 5; Right view is as shown in Figure 6; During assembling C shape magnetic core 1 is assemblied on the I shape magnetic core 2, the projection of C shape magnetic core 1 is connected with I shape magnetic core 2, and the inductance discreteness of this CI magnetic core is strictly controlled at 10% with interior (the conventional products discreteness is generally 25%); The leakage inductance consistency be strictly controlled at 3% with interior (the control leakage inductance requires the mill processing dimension consistency of magnetic core to be controlled in the 0.05mm; Conventional products 0.30mm with interior also can), power loss requires to be controlled in the 60mW/g, fixedly sintering process with grind processing technology; Guarantee inductance, leakage inductance, the power loss of magnetic core, through surface-pasted method this magnetic core is installed in 32 o'clock the LCD TV.
A kind of many specifications LCD is with transformer CI magnetic core, and this magnetic core is made up of C shape magnetic core and two parts of I shape magnetic core, and KP95 processes by MnZn ferrite material.C shape magnetic core is that " [" shape, the length of this magnetic core are 4.4mm, and width is 24.75mm, highly are 43.8mm, and the thickness in left side is 1.9mm, and the thickness of right side projection is 2.4mm, highly are 4.6mm; I shape magnetic core be shaped as cuboid, thickness is 3.0mm, width is 17.25mm, highly is 44.6mm.During assembling C shape magnetic core is assemblied on the I shape magnetic core; The projection of C shape magnetic core is connected with I shape magnetic core; The inductance discreteness of this CI magnetic core is strictly controlled at 10% with interior (the conventional products discreteness is generally 25%), the leakage inductance consistency be strictly controlled at 3% with interior (the control leakage inductance requires the mill processing dimension consistency of magnetic core to be controlled in the 0.05mm, conventional products 0.30mm with interior also can); Power loss requires to be controlled in the 60mW/g; Fixedly sintering process and mill processing technology guarantee inductance, leakage inductance, the power loss of magnetic core, through surface-pasted method this magnetic core are installed in 37 o'clock the LCD TV.
Embodiment 3
A kind of many specifications LCD is with transformer CI magnetic core, and this magnetic core is made up of C shape magnetic core and two parts of I shape magnetic core, and KP95 processes by MnZn ferrite material.C shape magnetic core is that " [" shape, the length of this magnetic core are 4.6mm, and width is 25.25mm, highly are 44.6mm, and the thickness in left side is 2.1mm, and the thickness of right side projection is 2.6mm, highly are 5.4mm; I shape magnetic core be shaped as cuboid, thickness is 3.2mm, width is 17.75mm, highly is 45.4mm.During assembling C shape magnetic core is assemblied on the I shape magnetic core; The projection of C shape magnetic core is connected with I shape magnetic core; The inductance discreteness of this CI magnetic core is strictly controlled at 10% with interior (the conventional products discreteness is generally 25%), the leakage inductance consistency be strictly controlled at 3% with interior (the control leakage inductance requires the mill processing dimension consistency of magnetic core to be controlled in the 0.05mm, conventional products 0.30mm with interior also can); Power loss requires to be controlled in the 60mW/g; Fixedly sintering process and mill processing technology guarantee inductance, leakage inductance, the power loss of magnetic core, through surface-pasted method this magnetic core are installed in 42 o'clock the LCD TV.
Claims (4)
1. specification LCD more than a kind is characterized in that with transformer CI magnetic core, and this magnetic core is made up of C shape magnetic core and two parts of I shape magnetic core; Described C shape magnetic core is that " [" shape, the length of this magnetic core are 4.4-4.6mm, and width is 24.75-25.25mm; Highly be 43.8-44.6mm; The thickness in left side is 1.9-2.1mm, and the thickness of right side projection is 2.4-2.6mm, and the height of right side projection is 4.6-5.4mm; Described I shape magnetic core be shaped as cuboid, the thickness of this magnetic core is 3-3.2mm, width is 17.25-17.75mm, highly is 44.6-45.4mm.
2. a kind of many specifications LCD according to claim 1 is characterized in that with transformer CI magnetic core described CI magnetic core is processed by MnZn ferrite material.
3. a kind of many specifications LCD according to claim 1 is characterized in that with transformer CI magnetic core described CI magnetic core is assemblied in C shape magnetic core on the I shape magnetic core when assembling, the projection of C shape magnetic core is connected with I shape magnetic core.
4. a kind of many specifications LCD according to claim 1 is characterized in that with transformer CI magnetic core described CI magnetic core can be installed in the LCD TV that comprises 32 inch, 37 inch or 42 inch through surface-pasted method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056743XA CN101996741B (en) | 2009-08-20 | 2009-08-20 | Transformer CI magnetic core for multi-specification liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056743XA CN101996741B (en) | 2009-08-20 | 2009-08-20 | Transformer CI magnetic core for multi-specification liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101996741A CN101996741A (en) | 2011-03-30 |
| CN101996741B true CN101996741B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910056743XA Expired - Fee Related CN101996741B (en) | 2009-08-20 | 2009-08-20 | Transformer CI magnetic core for multi-specification liquid crystal display |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154113A (en) * | 1998-06-22 | 2000-11-28 | Koito Manufacturing Co., Ltd. | Transformer and method of assembling same |
| CN1832066A (en) * | 2005-03-11 | 2006-09-13 | 东光株式会社 | Current balance transformer and electric-discharge lamp alight apparatus using thereof |
| CN101236819A (en) * | 2007-12-11 | 2008-08-06 | 乳源东阳光磁性材料有限公司 | A nickel-copper-zinc ferrite and its making method |
| CN101246776A (en) * | 2007-02-16 | 2008-08-20 | 达方电子股份有限公司 | Discharging light tube driving circuit and its transformer |
-
2009
- 2009-08-20 CN CN200910056743XA patent/CN101996741B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6154113A (en) * | 1998-06-22 | 2000-11-28 | Koito Manufacturing Co., Ltd. | Transformer and method of assembling same |
| CN1832066A (en) * | 2005-03-11 | 2006-09-13 | 东光株式会社 | Current balance transformer and electric-discharge lamp alight apparatus using thereof |
| CN101246776A (en) * | 2007-02-16 | 2008-08-20 | 达方电子股份有限公司 | Discharging light tube driving circuit and its transformer |
| CN101236819A (en) * | 2007-12-11 | 2008-08-06 | 乳源东阳光磁性材料有限公司 | A nickel-copper-zinc ferrite and its making method |
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| CN101996741A (en) | 2011-03-30 |
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Owner name: SHUYANG KANGCHUN MAGNETIC EQUIPMENT CO., LTD. Effective date: 20130312 |
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Effective date of registration: 20130312 Address after: 201601 Shanghai Songjiang District Sijing town nine trunk road 99 Lane 9, building second, building third Patentee after: Shanghai Kangshun Magnetism Component Plant Co., Ltd. Patentee after: Muyang Kangshun Magnetic Equipment Co., Ltd. Address before: 201601 Shanghai Songjiang District Sijing town nine trunk road 99 Lane 9, building second, building third Patentee before: Shanghai Kangshun Magnetism Component Plant Co., Ltd. |
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