CN203562272U - Integrated magnetic component and integrated LED driving power - Google Patents
Integrated magnetic component and integrated LED driving power Download PDFInfo
- Publication number
- CN203562272U CN203562272U CN201320700782.0U CN201320700782U CN203562272U CN 203562272 U CN203562272 U CN 203562272U CN 201320700782 U CN201320700782 U CN 201320700782U CN 203562272 U CN203562272 U CN 203562272U
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- Prior art keywords
- integrated
- pcb
- substrate
- magnetic
- driving power
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- Expired - Lifetime
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- 239000000758 substrate Substances 0.000 claims abstract description 23
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 239000002159 nanocrystal Substances 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 239000000696 magnetic material Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Abstract
The utility model discloses an integrated magnetic component and an integrated LED driving power. The integrated magnetic component comprises a PCB (printed circuit board) substrate, and a magnetic core, copper coils and pins are embedded in the PCB substrate, wherein the magnetic core adopts an iron-based nanocrystalline magnetic tape and is attached or plated to an inner plate of the PCB substrate; and the copper coils adopt thin copper layers. According to the utility model, the iron-based nanocrystalline magnetic tape is produced into the embedded PCB magnetic core, so that the integrated magnetic component which is small in thickness and high in efficiency and has a function of a system assembling substrate is obtained; besides, the integrated LED driving power which is manufactured by taking the integrated magnetic component manufactured based on the PCB technology as the substrate has the following advantages: small thickness, small size, high integration level, high processing repeated level and reliability, simplification of system assembly process, time saving and cost saving.
Description
Technical field
The utility model relates to magnetic element and manufactures field, particularly a kind of integrated magnetic element and integrated LED driving power of making based on PCB technique.
Background technology
Magnetic element consists of winding and magnetic core conventionally, and it is the essential power electronic device of energy storage, power conversion and electrical isolation, mainly comprises transformer and the large class of inductor two.In nearly all power circuit, all be unable to do without magnetic elements, magnetic element is one of most important part of power electronic technology.On LED driving power, required magnetic element mainly contains transformer, common mode inductance, power inductance etc., and these can be higher than conventional power source to the quality requirements of magnetic element, because the temperature that LED lamp requires is higher than ordinary lamps.The magnetic component sizes such as LED driving power requirement transformer, inductance are little, performance good, stability is high, loss is little etc.The magnetic element such as transformer, inductor key is to optimize magnetic core, the requirements such as the density of raising magnetic core, parameter.
The integrated magnetic element of PCB generally can be divided into without magnetic core PCB element and have magnetic core PCB element.The isolation drive that is mainly used in electronic power switch without magnetic core PCB transformer, its power is less.As need reach higher inductance value, need higher umber of turn, will increase like this resistance of its winding, thereby affect its efficiency.In order to improve the inductance value of unit are, general power generally adopts magnetic core with PCB magnetic element.Current have a magnetic core PCB magnetic element, substantially all adopts ferrite magnetic conduction.But due to ferrite magnetic property a little less than, the magnetic flux density of working point is low, thereby has limited the further performance of PCB magnetic element small size and high power density advantage.
Along with the development of magnetic material technology, there is at present multiple magnetic material to have than the better characteristic of ferrite, many thin film magnetic materials have such as characteristics such as high saturation magnetic flux density, low-coercivity and high resistivities.This type of thin-film material is mainly the application for integrated inductor on silicon chip, is subject to the restriction of micro fabrication, and deposition process is mainly confined to electroplate and sputter.Material by electroplating deposition has lower resistivity conventionally, but owing to being subject to the impact of kelvin effect, applicable magnetic material thickness is very restricted.In addition, the material that the method for employing sputter deposits is not just subject to the impact of resistivity, but the shortcoming of this method is that deposition velocity is slow, and cost is high.
Utility model content
The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of thin thickness, efficiency is high and integrated magnetic element of making based on PCB technique of system assembles substrate effect and preparation method thereof is provided simultaneously.
The utility model also provides a kind of thin thickness, area is little, integrated level is high, cost is low, process multiplicity and the high integrated LED driving power of reliability.
The technical solution of the utility model is achieved in that
An integrated magnetic element, comprises PCB substrate, at PCB substrate, has been embedded in magnetic core, copper coil and pin; Described magnetic core is iron based nano crystal tape, its be attached to or plated film on the inner plating of PCB substrate; Described copper coil is thin copper layer.
As preferably, described integrated magnetic element can be inductance, transformer or transducer.
An integrated LED driving power, comprises above-mentioned integrated magnetic element and take this integrated magnetic element as substrate assembling other source element thereon.
Compared to prior art, the utility model is made the embedded magnetic core of PCB by iron based nano crystal tape, thereby obtains thin thickness, efficiency is high and the integrated magnetic element of system assembles substrate effect is provided simultaneously.In addition, adopt the integrated LED driving power that integrated magnetic element that the utility model is made based on PCB technique is made as substrate to have the following advantages: thin thickness, area is little, integrated level is high, processing multiplicity and reliability high, and simplified system assembles operation, saved time and cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the integrated magnetic element of the utility model based on the making of PCB technique;
Fig. 2 is the schematic diagram of the utility model integrated LED driving power.
Embodiment
Embodiment of the present utility model is as follows:
For PCB magnetic cell, the selection of magnetic material is subject to process technology limit less.In recent years, iron based nano crystal technology gets a larger development, and also can be used as a kind of of magnetic cell magnetic core may select preferably.Such as Finemet type nano-crystal soft magnetic alloy, this is a kind of typical material in iron based nano crystal material, and its typical composition is: Fe73.5Cu1Nb3Si13.5B9.Performance parameter is: Bs=1.24T, Hc=0.53A/m, μ r (1kHz)=1.0 * 105.Iron based nano crystal material manufacture craft is easier, has relatively high saturation flux density, higher resistivity, the minimum good soft magnet performances such as coercive force.
Therefore, the utility model adopts electroplating deposition soft magnetic film or adopts melt to throw away the iron based nano crystal tape that method (melt spinning) is made, and then they are made to the embedded magnetic core of PCB.And by selecting rational current material and technology integration program, on the basis of resulting materials characteristic, carry out the mathematical modeling of magnetic cell, and carry out optimal design, thereby obtain high-performance highly integrated magnetic element again.The above-mentioned technique relating to can realize by prior art.
As shown in Figure 1, integrated magnetic element of the present utility model comprises PCB substrate 5, at PCB substrate 5, has been embedded in magnetic core 2, copper coil 3 and pin 4; Described magnetic core 2 is iron based nano crystal tape, its be attached to or plated film on the inner plating of PCB substrate 5; The high density that described copper coil 3 is thin layer and careful copper layer.
In addition, integrated magnetic element of the present utility model is as substrate, can be used as LED driving power assembling substrates, by assembling, process, make the upper integrated driving power of LED of PCB of designed new microization, thereby reduce LED driving power area, reach the requirement of the microminiaturization of LED driving power and high integration.As shown in Figure 2, in the present embodiment, integrated magnetic element of the present utility model can be integrated inductor, integrated transformer or transducer, as shown in Figure 2, the utility model integrated LED driving power 6 comprises integrated magnetic element 5 and take integrated magnetic element 5 as substrate assembling other source element 7 thereon.
Magnetic characteristic characteristic parameter based on used magnetic material and embedded core loss model, set up the integrated mathematical analysis model of PCB, carry out electromagnetic property, Thermal characteristic analysis research, research adopts the operating characteristic of design object in the situation of different structure, take to improve design object capacity and reduce volume to be optimized design as target.Meanwhile, in element design optimizing process, consider the substrate function that it should have simultaneously, be combined with the final LED driving power assembling scheme of selecting, finally draw best design.
The utility model integrated LED driving power has the following advantages: thin thickness, area is little, integrated level is high, processing multiplicity and reliability high, and simplified system assembles operation, save time and cost.
The utility model preferred embodiment is just for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this utility model is only described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present utility model and practical application, thereby under making, technical field technical staff can utilize the utility model well.The utility model is only subject to the restriction of claims and four corner and equivalent.Disclosed is above only several specific embodiments of the application, but the application is not limited thereto, and the changes that any person skilled in the art can think of, all should drop in the application's protection range.
Claims (3)
1. an integrated magnetic element, is characterized in that: comprise PCB substrate, at PCB substrate, be embedded in magnetic core, copper coil and pin; Described magnetic core is iron based nano crystal tape, its be attached to or plated film on the inner plating of PCB substrate; Described copper coil is thin copper layer.
2. integrated magnetic element according to claim 1, is characterized in that: described integrated magnetic element can be inductance, transformer or transducer.
3. an integrated LED driving power, is characterized in that: comprise integrated magnetic element as claimed in claim 1 or 2 and take this integrated magnetic element as substrate assembling other source element thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700782.0U CN203562272U (en) | 2013-11-07 | 2013-11-07 | Integrated magnetic component and integrated LED driving power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700782.0U CN203562272U (en) | 2013-11-07 | 2013-11-07 | Integrated magnetic component and integrated LED driving power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203562272U true CN203562272U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700782.0U Expired - Lifetime CN203562272U (en) | 2013-11-07 | 2013-11-07 | Integrated magnetic component and integrated LED driving power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203562272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617872A (en) * | 2013-11-07 | 2014-03-05 | 浙江生辉照明有限公司 | Integrated magnetic element, manufacturing method thereof and integrated LED drive power supply |
-
2013
- 2013-11-07 CN CN201320700782.0U patent/CN203562272U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617872A (en) * | 2013-11-07 | 2014-03-05 | 浙江生辉照明有限公司 | Integrated magnetic element, manufacturing method thereof and integrated LED drive power supply |
| WO2015067205A1 (en) * | 2013-11-07 | 2015-05-14 | Zhejiang Shenghui Lighting Co., Ltd | Methods for manufacturing integrated magnetic components and led power supply |
| CN103617872B (en) * | 2013-11-07 | 2016-08-17 | 浙江生辉照明有限公司 | Manufacture method and the integrated LED of integrated magnetics based on PCB technology making drive power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Integrated magnetic components and integrated LED drive power supply Effective date of registration: 20230302 Granted publication date: 20140423 Pledgee: Tongxiang Yunbei Investment Construction Co.,Ltd. Pledgor: ZHEJIANG SHENGHUI LIGHTING Co.,Ltd. Registration number: Y2023980033495 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |