CN101399490A - Power converter construction - Google Patents
Power converter construction Download PDFInfo
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- CN101399490A CN101399490A CNA2007101811174A CN200710181117A CN101399490A CN 101399490 A CN101399490 A CN 101399490A CN A2007101811174 A CNA2007101811174 A CN A2007101811174A CN 200710181117 A CN200710181117 A CN 200710181117A CN 101399490 A CN101399490 A CN 101399490A
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Abstract
The invention provides a structure of a power converter. The structure of power converter comprises a connector and an integration-typed transformer. The connector comprises a plurality of connecting units, and the integration-typed transformer comprises a plurality of transformation units. The transformation units are stacked in order and are electrically connected with the corresponding connecting units in contact type so as to reduce current on-state resistance consumption and avoid welding resistance.
Description
Technical field
The invention relates to a kind of power converter construction, particularly about a kind of power converter construction that reduces current lead-through resistance consumption and contact resistance.
Background technology
Along with development of semiconductor, the supply power voltage that various chips require is more and more lower, but the supply current that requires is increasing; Simultaneously, use the also constantly development of power of transformer technology, its efficient and power density specification increase day by day.Putting to realizing the optimization of power circuit before this, except the optimal design of circuit topology itself, element and circuit parameter, printed circuit board (PCB) (printed circuit board) layout, wiring, mechanism design, inverter circuit parameter designing such as thermal design are also more and more important.
See also Fig. 1, it is the schematic diagram of an existing transformer 1, and transformer 1 comprises a plurality of voltage transformation unit 10, copper post 11a and 11b.Copper post 11a and 11b respectively with the current output terminal 100 and 101 solder joints of each voltage transformation unit 10 so that the output current of each voltage transformation unit 10 is derived by copper post 11a and 11b.
See also Fig. 2, it is the part schematic diagram of a supply unit, comprises a transformer 1, is arranged on the power supply motherboard 2.Power supply motherboard 2 comprises Copper Foil 2a and 2b, its respectively with copper post 11a and 11b solder joints, so that the output current of transformer 1 is derived by copper post 11a and 11b.Please continue to consult Fig. 3, it is corresponding with Fig. 2, is a power supply mother matrix and load connection diagram.On power supply mother matrix 2, have a plurality of linkage units 3, Copper Foil 2a and 2b respectively with linkage unit 3 solder joints; In addition, on a load (load) side motherboard 4, have a plurality of splicing ears 40, it is welded in respectively on the end of conductive plate 4a and 4b, and load 5 is connected to the conductive plate 4a of load-side motherboard 4 and the other end of 4b by connection line 5a and 5b, so that the output current of transformer 1 exports load 5 at last in regular turn by conductive plate 4a and 4b and the connection line 5a and the 5b of linkage unit 3, splicing ear 40, load-side motherboard 4.
But the configuration that is connected of above-mentioned transformer 1 and load 5, along with power density improves constantly, its volume is required more and more littler, and the number that is connected in parallel of transformer output must respective volume be reduced and reduce.Yet after the transformer 1 of above-mentioned connection configuration was connected to power supply motherboard 2, conduction afterwards links promptly became plane distribution, so the whole height of transformer 1 is not fully utilized, and was unfortunate very.Moreover, in the above-mentioned connection configuration, the pad that has a great deal of, for example the current output terminal 100 and 101 of copper post 11a and 11b and each voltage transformation unit 10 is solder joints, copper post 11a and 11b and Copper Foil 2a and 2b also are solder joints, and pad causes contact resistance and conduction loss to increase, and makes load 5 can't make full use of the power supply energy that existing transformer 1 is provided.
In sum, how making full use of the whole height of transformer, and transformer to contact resistance between the load and conduction loss effectively reduced, is the target that industry still need make great efforts to reach.
Summary of the invention
A purpose of the present invention is to provide a kind of power converter construction, can make full use of the whole height of transformer, and transformer to contact resistance between the load and conduction loss effectively reduced.
Power converter construction of the present invention comprises an a connector and an integrated type transformer.This connector comprises a plurality of linkage units, and this integrated type transformer comprises a plurality of voltage transformation unit.These voltage transformation unit stack in regular turn and are contact with corresponding these linkage units and electrically connect, to pass through this connector out-put supply to a load.
The present invention electrically connects integrated type transformer and connector in the mode that contacts, to replace the connected mode of existing welding, to reduce contact resistance, and linkage unit is in parallel with vertical mode with voltage transformation unit, with whole height and the effective conduction loss that reduces that makes full use of transformer device structure, whereby, can effectively overcome the shortcoming of prior art.
Description of drawings
Behind the execution mode of consulting accompanying drawing and describing subsequently, affiliated technical field has knows that usually the knowledgeable just can understand above-mentioned and other purposes of the present invention, and technological means of the present invention and enforcement aspect and advantage, wherein:
Fig. 1 is the schematic diagram of existing transformer;
Fig. 2 is arranged at schematic diagram on the power supply motherboard with existing transformer;
Fig. 3 is the schematic diagram that is connected with load with the corresponding power supply motherboard of Fig. 2;
Fig. 4 is the schematic diagram of the power converter construction of the first embodiment of the present invention;
Fig. 5 A is the vertical view of the secondary printed circuit boards circuit of the first embodiment of the present invention;
Fig. 5 B is the upward view of the secondary printed circuit boards circuit of the first embodiment of the present invention;
Fig. 6 is the schematic diagram of the power converter construction of the second embodiment of the present invention;
Fig. 7 is the schematic diagram of the power converter construction of the third embodiment of the present invention; And
Fig. 8 is the schematic diagram that power converter construction is connected with load.
Embodiment
Below will explain content of the present invention by embodiment, it is about a power converter construction, with whole height and the effective conduction loss that reduces that makes full use of power converter construction.Yet embodiments of the invention are not to need can implement as the described any particular environment of embodiment, application or particular form in order to restriction the present invention.Therefore, only be explaination purpose of the present invention about the explanation of embodiment, but not in order to restriction the present invention.Need the expositor, in following examples and the accompanying drawing, omit and do not illustrate with the non-directly related element of the present invention; And for the purpose of asking easy understanding, the special exaggerated scale of each interelement size is illustrated.
The first embodiment of the present invention as shown in Figure 4, it is a power converter construction 6, comprise an a connector 6a and an integrated type transformer 6b, its mode with contact electrically connects, specifically, connector 6a comprises a plurality of linkage units 60 and an electric-conductor 62, and integrated type transformer 6a comprises a plurality of voltage transformation unit 61.Voltage transformation unit 61 stacks in regular turn and is contact with corresponding linkage unit 60 and electrically connects, electric-conductor 62 is in order to electrically connect these linkage units 60, so that power converter construction 6 is by these linkage units 60 and electric-conductor 62, conduct electrical currents to a load (scheming not shown), load and electric-conductor 62 are electric connection.Wherein, a plurality of voltage transformation unit 61 are to be electric connection with parallel way.
In the present embodiment, any these voltage transformation unit 61 is dull and stereotyped voltage transformation unit, it comprises an elementary winding (scheming not shown) and a level printed board circuit (being specified in hereinafter), wherein elementary winding is to utilize prior art to finish, do not add at this and to give unnecessary details, see also Fig. 5 A and 5B, it is the vertical view and the upward view of secondary printed circuit boards circuit, and it comprises level winding 610, a rectifier 611, a capacitor 612, one drive circuit 613 and a golden finger structure 614 one time.Wherein, rectifier 611 is existing electronic components with capacitor 612, does not add at this and gives unnecessary details, and drive circuit 613 is in order to the switch as power converter construction 6, and 614 on golden finger structure is with so that voltage transformation unit 61 can be contact with linkage unit 60 electrically connects.Specifically, the golden finger structure 614 and the linkage unit 60 of arbitrary voltage transformation unit 61 is contact and electrically connects, and makes arbitrary these voltage transformation unit 61 provide current to these linkage units 60 by the golden finger structure 614 of itself, to conduct electrical currents to load.
Please continue to consult Fig. 6, second embodiment of the present invention power converter construction 7, comprise an a connector 7a and an integrated type transformer 7b, connector 7a comprises a plurality of linkage unit 70a, 70b, 70c, 70d, 70e, 70f, 70g, 70h and a plurality of electric- conductor 72a, 72b, 73a, 73b, integrated type transformer 7b comprises a plurality of voltage transformation unit 71a, 71b, 71c, 71d, and wherein any these electric-conductor electrically connects at least one these linkage unit.Electric-conductor 73a is connected to linkage unit 70a in this embodiment, and electric-conductor 73b is connected to linkage unit 70e, and electric-conductor 72a is connected to linkage unit 70b, 70c and 70d, and electric-conductor 72b is connected to linkage unit 70f, 70g and 70h.And voltage transformation unit 71a is electric connection with electric- conductor 73a and 73b respectively by linkage unit 70a and 70e, and voltage transformation unit 71b, 71c and 71d also are electrically connect with electric- conductor 72a and 72b respectively in the same manner.And voltage transformation unit 71b, the 71c and the 71d that are connected to electric- conductor 72a and 72b are electric connection with parallel way.
By above-mentioned configuration, power converter construction provided by the present invention has replaced existing welding manner in the mode that contact electrically connects, to reduce contact resistance; And utilize the whole height of transformer device structure fully, reduce conduction loss in parallel.
The third embodiment of the present invention as shown in Figure 7, it is a power converter construction 8, power converter construction 8 comprises an a connector 8a and an integrated type transformer 8b, connector 8a comprise a plurality of linkage unit 80a, 80b, 80c and 80d, electric-conductor 82a and 82b and in draw unit 83a and 83b, integrated type transformer 8b comprises a plurality of voltage transformation unit 811,81a, 812 and 81b.Wherein, linkage unit 80a, 80b, 80c and 80d, voltage transformation unit 811,81a, 812 and the function of 81b and electric-conductor 82a and 82b identical with previous embodiment, do not add at this and to give unnecessary details.
Main different with previous embodiment, for present embodiment draws unit 83a and 83b in comprising.With the interior unit 83a that draws is the example explanation, and it is voltage transformation unit 811 and the 81a that is connected in parallel in order to voltage transformation unit 811 and the 81a of being connected in parallel by the interior unit 83a that draws, and is contact with linkage unit 80a and 80c and electrically connects.Specifically, in the present embodiment, in draw unit 83a and connect two voltage transformation unit 811 and 81a, compared to single voltage transformation unit, exportable more multiple current is to linkage unit 80a and 80c.In the present embodiment, it is made by copper drawing unit 83a and 83b in.The voltage transformation unit number that draws unit 83a and 83b parallel connection in the above-mentioned utilization with make in draw unit 83a and 83b material be to illustrate, be not to be used for limiting the scope of the invention.
See also Fig. 8, it is the schematic diagram that a power converter construction 90 is connected with a load 91, power converter construction 90 comprises an integrated type transformer 900 and a connector 901, and wherein integrated type transformer 900 is connected to load 91 by connector 901, to provide energy to load 91.What here should be specified is that the connection configuration of Fig. 8 is applicable to other above-mentioned embodiment.
In practical application in industry connector normally an independent element can not omit.Integrated type transformer is installed in fixedly in the casing, and the output of integrated type transformer is connected with connector by shell opening; Linkage unit in the connector and electric-conductor are installed in connector insulation (plastic cement) shell, link to each other with the output of integrated voltage transformer by linkage unit.Linkage unit in the connector (connector) and electric-conductor have omitted the copper post that exists in the prior art transformer device structure, and (11a, 11b) (2a, 2b), and it is lower to have kept the function (confluxing) and the loss of original structure with Copper Foil.
As aforementioned, the present invention electrically connects voltage transformation unit and linkage unit in the mode that contacts, to reduce contact resistance, and linkage unit is in parallel with vertical mode with voltage transformation unit, with whole height and the effective conduction loss that reduces that makes full use of transformer device structure, whereby, can effectively solve the shortcoming of prior art.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to be used for limiting category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, interest field of the present invention should be as the criterion with the application's claim scope.
Claims (11)
1. power converter construction is characterized in that comprising:
A connector, it comprises a plurality of linkage units; And
One integrated type transformer, it comprises a plurality of voltage transformation unit, and these voltage cell stack in regular turn and are contact with corresponding these linkage units and electrically connect, to pass through this connector out-put supply to a load.
2. power converter construction according to claim 1 is characterized in that this connector also comprises an electric-conductor, in order to electrically connect these linkage units.
3. power converter construction according to claim 1 is characterized in that these voltage transformation unit are to be electric connection with parallel way.
4. power converter construction according to claim 1 is characterized in that this connector also comprises a plurality of electric-conductors, and wherein any these electric-conductor electrically connects at least one these linkage unit.
5. power converter construction according to claim 4 is characterized in that these voltage transformation unit are electric connection by these linkage units and these electric-conductors, and these voltage transformation unit that are connected to arbitrary these electric-conductors are to be electric connection with parallel way.
6. power converter construction according to claim 1, it is characterized in that arbitrary these voltage transformation unit are dull and stereotyped voltage transformation unit, comprise an elementary winding and a level printed board circuit, wherein this secondary printed circuit boards circuit comprises level winding, a rectifier, a capacitor and one drive circuit one time.
7. power converter construction according to claim 1, it is characterized in that this integrated type transformer also comprises draws the unit in one, in order to a plurality of these voltage transformation unit that are connected in parallel, be these voltage transformation unit that are connected in parallel by drawing the unit in this, be contact with these linkage units and electrically connect.
8. power converter construction according to claim 7, it is made by copper it is characterized in that drawing in this unit.
9. power converter construction according to claim 7 is characterized in that this connector also comprises an electric-conductor, in order to electrically connect these linkage units.
10. power converter construction according to claim 7 is characterized in that this connector also comprises a plurality of electric-conductors, and wherein any these electric-conductor electrically connects at least one these linkage unit.
11. power converter construction according to claim 1 is characterized in that any these voltage transformation unit comprises a golden finger structure, with being the contact electric connection with these linkage units so that these voltage transformation unit are suitable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710181117A CN101399490B (en) | 2007-09-30 | 2007-09-30 | Power converter construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710181117A CN101399490B (en) | 2007-09-30 | 2007-09-30 | Power converter construction |
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| Publication Number | Publication Date |
|---|---|
| CN101399490A true CN101399490A (en) | 2009-04-01 |
| CN101399490B CN101399490B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710181117A Active CN101399490B (en) | 2007-09-30 | 2007-09-30 | Power converter construction |
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| CN (1) | CN101399490B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866746A (en) * | 2011-07-05 | 2013-01-09 | 英业达股份有限公司 | Transfer module |
| CN102905454A (en) * | 2011-07-28 | 2013-01-30 | 通用电气公司 | Modular high-voltage power generation system |
| CN114094369A (en) * | 2021-11-30 | 2022-02-25 | 杭州云电科技能源有限公司 | Synchronous rectification assembly, manufacturing method thereof and power supply |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6420953B1 (en) * | 2000-05-19 | 2002-07-16 | Pulse Engineering. Inc. | Multi-layer, multi-functioning printed circuit board |
-
2007
- 2007-09-30 CN CN200710181117A patent/CN101399490B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866746A (en) * | 2011-07-05 | 2013-01-09 | 英业达股份有限公司 | Transfer module |
| CN102905454A (en) * | 2011-07-28 | 2013-01-30 | 通用电气公司 | Modular high-voltage power generation system |
| CN114094369A (en) * | 2021-11-30 | 2022-02-25 | 杭州云电科技能源有限公司 | Synchronous rectification assembly, manufacturing method thereof and power supply |
| CN114094369B (en) * | 2021-11-30 | 2024-09-10 | 杭州云电科技能源有限公司 | Synchronous rectifying assembly, manufacturing method thereof and power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101399490B (en) | 2012-09-05 |
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Owner name: DELTA ENERGY TECHNOLOGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: DELTA ELECTRONIC INDUSTRY CO., LTD. Effective date: 20110126 Owner name: DELTA ELECTRONIC INDUSTRY CO., LTD. |
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Free format text: CORRECT: ADDRESS; FROM: 000000 NO. 3, DONGYUAN ROAD, ZHONGLI INDUSTRIAL AREA, TAOYUAN COUNTY, TAIWAN PROVINCE, CHINA TO: 201209 2/F, NO. 238, MINXIA ROAD, PUDONG NEW DISTRICT, SHANGHAI, CHINA |
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Effective date of registration: 20110126 Address after: 201209 Shanghai City, Pudong New Area China min Xia Road No. 2 building 238 Applicant after: Delta Energy Technology (Shanghai) Co., Ltd. Co-applicant after: Delta Optoelectronics Inc. Address before: 000000 Chinese Taiwan Taoyuan County Dongyuan Industrial Zone Zhongli Road No. 3 Applicant before: Delta Optoelectronics Inc. |
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Address after: 201209, 1675 East China Road, Shanghai, Pudong New Area, China Applicant after: Delta Electronic Enterprise Management (Shanghai) Co., Ltd. Co-applicant after: Delta Optoelectronics Inc. Address before: 201209 Shanghai City, Pudong New Area China min Xia Road No. 2 building 238 Applicant before: Delta Energy Technology (Shanghai) Co., Ltd. Co-applicant before: Delta Optoelectronics Inc. |
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Free format text: CORRECT: APPLICANT; FROM: DELTA ENERGY TECHNOLOGY (SHANGHAI) CO., LTD. TO: DELTA ELECTRONICS ENTERPRISE MANAGEMENT (SHANGHAI) CO., LTD. |
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