CN202523508U - Magnetic device assembly of power module and power module - Google Patents
Magnetic device assembly of power module and power module Download PDFInfo
- Publication number
- CN202523508U CN202523508U CN2012201809452U CN201220180945U CN202523508U CN 202523508 U CN202523508 U CN 202523508U CN 2012201809452 U CN2012201809452 U CN 2012201809452U CN 201220180945 U CN201220180945 U CN 201220180945U CN 202523508 U CN202523508 U CN 202523508U
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- transformer
- pin
- magnetic device
- device assembly
- power module
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Abstract
The embodiment of the utility model discloses a magnetic device assembly of a power module and a power module. The magnetic device assembly comprises a transformer which is provided with a radiator; the radiator comprises a plurality of radiating fins; and the radiating fins are used for conducting heat generated by the transformer to the outside so as to cool the transformer. By the magnetic device assembly, the radiator is additionally arranged on the transformer to carry away heat from a magnetic core and reduce the temperature rising of the device, so that a smaller magnetic core can be selected, and the occupied area of the magnetic device in the power module is reduced; and besides, any pin of the transformer is connected to any pin of an inductor, so that the occupied area is reduced, and the occupied area of the magnetic device in the power module is further reduced.
Description
Technical field
The utility model relates to the communication power supply field, especially relates to a kind of magnetic device assembly and a kind of power module of power module.
Background technology
Energy-saving and emission-reduction are a kind of trend of globalization development, and in the communications field, the conversion efficiency of power module is a wherein important link.The high efficiency of power module is exactly the application that relies on the device integrated technology except relying on the lifting of newly topological application and semiconductor power device on the one hand on the other hand.The exploitation that present industry manufacturer declared and dropped into the power module of 96% efficient rectification one after another.In the face of being 96% module overall efficiency, same circuit topology equally, more and more littler power module size, to last competition be exactly the integrated ability of device.What the device integrated technology can reduce device accounts for the plate area, improves the power density and the fabric swatch density of module greatly.
The magnetic device of power module generally includes transformer and the various stored energy of conduct energy, the inductance that filtering is used, and the magnetic device of a power module has just taken its inner space of 1/2nd.Before magnetic material does not have big technological break-through, how to reduce magnetic device in the power module one of the significant challenge that power module faced that has just become high power density that takes up space.
The utility model content
The utility model embodiment provides a kind of magnetic device assembly and corresponding power module of power module, reduces this magnetic device shared space in power module to a certain extent, improves the power density of power module.
The utility model embodiment provides a kind of magnetic device assembly of power module; Said magnetic device assembly comprises transformer; Said transformer has radiator; Said radiator comprises a plurality of fin, and said fin is used for the heat that said transformer produces is transmitted to the external world, so that the cooling of said transformer.
The method that the utility model embodiment adopts the increase radiator to take away the magnetic core heat reduces the device temperature rise, thereby can select the magnetic core than ting model, has reached the purpose that magnetic device took up space that reduces in the power module.
The utility model embodiment also provides a kind of power module, and said power module comprises the magnetic device assembly described in the foregoing description.Magnetic core part takes up space and reduces to some extent to a certain extent in the power module of the utility model embodiment.
The utility model embodiment has added radiator for the transformer in the power module; To take away the magnetic core heat, reduce the device temperature rise, thereby can select magnetic core than ting model; Reach the purpose that magnetic device took up space that reduces in the power module, and then improved the power density of power module.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of vertical section sketch map that the magnetic core of radiator is housed of the utility model embodiment;
Fig. 2 is a kind of cross section sketch map that the magnetic core of radiator is housed of the utility model embodiment;
Fig. 3 is the cross section sketch map of the another kind of the utility model embodiment magnetic core that radiator is housed;
Fig. 4 is the sketch map of transformer and inductance in the prior art;
Fig. 5 is the pin plug-in mounting sketch map of transformer and inductance in the prior art;
Fig. 6 is a kind of connected mode sketch map of pin of transformer and the inductance of the utility model embodiment;
Fig. 7 is the another kind of connected mode sketch map of pin of transformer and the inductance of the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
In the prior art, the core volume of traditional transformer is all bigger, but if dwindle the volume of magnetic core, for the just necessary switching frequency that improves power module of guaranteed output, the thing followed is exactly the increase of core loss, and the main transformer temperature rise is too high.In order to solve the temperature rising problem that reduces core volume and bring; The utility model embodiment provides a kind of magnetic device assembly of power module; Said magnetic device assembly comprises transformer 20, and said transformer 20 has radiator, and said radiator comprises a plurality of fin; Said fin is used for the heat that said transformer produces is transmitted to the external world, so that the cooling of said transformer.Above-mentioned magnetic device assembly can have multiple implementation, and the utility model does not limit its concrete implementation, and only giving some instances below describes.
A kind of possible mode is: said radiator specifically can comprise a plurality of vertical fin; Said radiator specifically comprises a plurality of vertical fin, and said vertical fin is inserted between the winding wire bag of magnetic core of said transformer 20 and with said line bag and fully fits.Shown in Fig. 1 and 2, Fig. 1 and Fig. 2 are respectively a kind of vertical section sketch mapes and corresponding cross section sketch map that the magnetic core of radiator is housed of the utility model embodiment.Be wound with four windings on this magnetic core, be respectively winding 1, winding 2, winding 3 and winding 4.Wherein the winding 3 of the winding 1 of outmost turns and inner ring is coil, and be clipped in winding 1, the winding between 32,4 is the sheet winding.In other embodiment of the utility model, concrete winding quantity and winding configuration, shape can also have multiple situation, and embodiment does not limit to this utility model.Fin 2, fin 3, fin 4 and fin 5 are vertical fin, and they all are inserted between each winding wire bag and with said line bag and fully fit, to absorb heat.Preferably, the foregoing description can also comprise the heatsink transverse sheet, and promptly fin 1, said heatsink transverse sheet lie in said transformer magnetic core the top and link to each other with said vertical fin.Shown in Fig. 1 and 2; Fin 2, fin 3, fin 4 and fin 5 respectively in the position 1, the place and the radiator 1 of position 2, position 3 and position 4 link together; Take the outside of transformer to the heat that each winding wire bag is inner; When having reduced the magnetic core of transformer temperature, reduced winding wire bag temperature inside again like this.
Another kind of possible mode is: said fin is placed on the outer surface of said magnetic core of transformer and fully fits with the outer surface of said magnetic core.Referring to shown in Figure 3, Fig. 3 is the cross section sketch map of the another kind of the utility model embodiment magnetic core that radiator is housed.Be enclosed in magnetic core mode all around to reduce the magnetic core temperature through each fin, reach the purpose of selecting less magnetic core radiator.Need to prove that each fin can interconnect and form an integral body, also can be separate, embodiment does not limit to this utility model.
The method that the utility model embodiment adopts the increase radiator to take away the magnetic core heat reduces the device temperature rise, thereby can select the magnetic core than ting model, has reached the purpose that magnetic device took up space that reduces in the power module.
On the basis of the foregoing description; The utility model embodiment further improves again: said magnetic device assembly also comprises inductance 10; A pin of said transformer 20 and a pin of said inductance 10 all are not inserted on the printing board PCB, but are connected together.Fig. 4 is the sketch map of inductance 10 and transformer 20 in the prior art, and Fig. 5 is the pin plug-in mounting sketch map of inductance 10 and transformer 20 in the prior art.Inductance 10 and transformer 20 in the prior art, it is PIN pin (1PIN, 2PIN, 3PIN and 4PIN) that former limit has the pin of four plug-in mountings at least.These pins take the inside modules space and printing board PCB (Printed Circuit Board) area is all very big; And to stay between the device of wave-soldering and Reflow Soldering and prohibit the cloth space; Too much pin will take a lot of pcb board areas can't place surface mounting component; Thereby caused greatly waste, seriously restricted the raising of power density and fabric swatch density.
In the utility model embodiment, a pin of said transformer 20 and a pin of said inductance 10 all are not inserted on the printing board PCB, but are connected together.Like this, just on pcb board, just can save two pins, surface mounting component can be placed in saved space, has improved the fabric swatch density of module.
Referring to Fig. 6 and shown in Figure 7; Concrete; Said transformer has first pin and second pin; Said inductance has the 3rd pin and the 4th pin, and said second pin and said the 3rd pin are inserted into respectively on the pcb board, and said first pin and said the 4th pin all are not inserted on the said pcb board but are connected together.In Fig. 6; 1PIN and 2PIN are respectively first pin and second pin; 3PIN and 4PIN be i.e. the 3rd pin and the 4th pin respectively, and 2PIN and 3PIN are inserted into respectively on the pcb board, and 1PIN and 4PIN all are not inserted on the said pcb board but are connected together through cable 30.In Fig. 7; 1PIN and 2PIN are respectively first pin and second pin; 4PIN and 3PIN be i.e. the 3rd pin and the 4th pin respectively, and 2PIN and 4PIN are inserted into respectively on the pcb board, and 1PIN and 3PIN all are not inserted on the said pcb board but are connected together through cable 30.Need to prove that " first " that in the utility model embodiment, occurs, " second ", " the 3rd " and descriptions such as " the 4 " only are in order to distinguish, and the meaning of indefinite order.
Need to prove; All be not inserted on the printing board PCB for a pin of said transformer 20 and a pin of said inductance 10; But be connected together, the wherein said continuous concrete mode that links to each other can promptly link to each other through cable 30 for directly linking to each other through the single line cable.And in other embodiment of the utility model, said linking to each other can also be to link to each other through other elements between two cables and said two cables.Embodiment does not limit to this utility model.
The utility model embodiment has reduced to account for the plate area through the mode that any pin with any pin of transformer and inductance links to each other, and has reached the purpose that magnetic device took up space that reduces in the power module.
The utility model embodiment also provides a kind of power module, and said power module comprises any one described magnetic device assembly in the foregoing description.Magnetic core part takes up space and reduces to some extent to a certain extent in this power module, thereby is that power density and the fabric swatch density that improves module lays the first stone.
Need to prove; In this article; Relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint relation or the order that has any this reality between these entities or the operation.And; Term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability; Thereby make and comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements; But also comprise other key elements of clearly not listing, or also be included as this process, method, article or equipment intrinsic key element.Under the situation that do not having much more more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises said key element and also have other identical element.
The preferred embodiment that the above is merely the utility model is not the protection range that is used to limit the utility model.Used concrete example among this paper and the principle of the utility model and execution mode have been carried out lock stated, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, part all can change on embodiment and range of application.In sum, this description should not be construed as the restriction to the utility model.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all be included in the protection range of the utility model.
Claims (9)
1. the magnetic device assembly of a power module; It is characterized in that; Said magnetic device assembly comprises transformer, and said transformer has radiator, and said radiator comprises a plurality of fin; Said fin is used for the heat that said transformer produces is transmitted to the external world, so that the cooling of said transformer.
2. magnetic device assembly according to claim 1 is characterized in that, said radiator specifically comprises a plurality of vertical fin, and said vertical fin is inserted between the winding wire bag of said magnetic core of transformer and with said line bag and fully fits.
3. magnetic device assembly according to claim 2 is characterized in that said radiator also comprises the heatsink transverse sheet, and said heatsink transverse sheet lies in the top of said magnetic core of transformer and links to each other with said vertical fin.
4. magnetic device assembly according to claim 1 is characterized in that, said fin is placed on the outer surface of said magnetic core of transformer and fully fits with the outer surface of said magnetic core.
5. according to each described magnetic device assembly of claim 1～4; It is characterized in that; Said magnetic device assembly also comprises inductance, and a pin of a pin of said transformer and said inductance all is not inserted on the printing board PCB, but is connected together.
6. magnetic device assembly according to claim 5; It is characterized in that; Said transformer has first pin and second pin; Said inductance has the 3rd pin and the 4th pin, and said second pin and said the 3rd pin are inserted into respectively on the pcb board, and said first pin and said the 4th pin all are not inserted on the said pcb board but are connected together.
7. magnetic device assembly according to claim 5 is characterized in that, said continuous being specially directly links to each other through the single line cable.
8. magnetic device assembly according to claim 5 is characterized in that, said continuous being specially through other elements between two cables and said two cables links to each other.
9. a power module is characterized in that, said power module comprises like each described magnetic device assembly of claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201809452U CN202523508U (en) | 2012-04-25 | 2012-04-25 | Magnetic device assembly of power module and power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201809452U CN202523508U (en) | 2012-04-25 | 2012-04-25 | Magnetic device assembly of power module and power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523508U true CN202523508U (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201809452U Expired - Lifetime CN202523508U (en) | 2012-04-25 | 2012-04-25 | Magnetic device assembly of power module and power module |
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| CN (1) | CN202523508U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533156A (en) * | 2016-12-20 | 2017-03-22 | 中国航空工业集团公司雷华电子技术研究所 | DC-DC switching power supply module and conformal encapsulation method of DC-DC switching power supply module |
| CN106783112A (en) * | 2017-02-28 | 2017-05-31 | 南通壹选工业设计有限公司 | A kind of dismountable voltage transformer |
| CN106910597A (en) * | 2017-02-28 | 2017-06-30 | 南通壹选工业设计有限公司 | A kind of transformer with radiating subassembly |
-
2012
- 2012-04-25 CN CN2012201809452U patent/CN202523508U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533156A (en) * | 2016-12-20 | 2017-03-22 | 中国航空工业集团公司雷华电子技术研究所 | DC-DC switching power supply module and conformal encapsulation method of DC-DC switching power supply module |
| CN106533156B (en) * | 2016-12-20 | 2019-06-14 | 中国航空工业集团公司雷华电子技术研究所 | A kind of DC-DC switch power module and the conformal packaging method of DC-DC switch power module |
| CN106783112A (en) * | 2017-02-28 | 2017-05-31 | 南通壹选工业设计有限公司 | A kind of dismountable voltage transformer |
| CN106910597A (en) * | 2017-02-28 | 2017-06-30 | 南通壹选工业设计有限公司 | A kind of transformer with radiating subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211102 Address after: 518043 No. 01, 39th floor, building a, antuoshan headquarters building, No. 33, antuoshan Sixth Road, Xiang'an community, Xiangmihu street, Futian District, Shenzhen, Guangdong Province Patentee after: Huawei Digital Energy Technology Co.,Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |