CN110310801A - A kind of integrated three-phase common mode inductance of 5G - Google Patents
A kind of integrated three-phase common mode inductance of 5G Download PDFInfo
- Publication number
- CN110310801A CN110310801A CN201910655134.XA CN201910655134A CN110310801A CN 110310801 A CN110310801 A CN 110310801A CN 201910655134 A CN201910655134 A CN 201910655134A CN 110310801 A CN110310801 A CN 110310801A
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- China
- Prior art keywords
- common mode
- magnetic core
- shaped magnetic
- support plate
- mode inductance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004804 winding Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 229910052802 copper Inorganic materials 0.000 claims description 31
- 239000010949 copper Substances 0.000 claims description 31
- 239000003292 glue Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Abstract
The present invention relates to inductive technologies fields, and in particular to a kind of integrated three-phase common mode inductance of 5G；It includes the first U-shaped magnetic core, the second U-shaped magnetic core, three co-mode coils and three common mode magnetic poles；Three co-mode coils are wound around respectively in three common mode magnetic poles, constitute three-phase common mode inductance winding；The first U-shaped magnetic core is oppositely arranged with the second U-shaped magnetic core；Each common mode magnetic pole includes left magnetic pole and right magnetic pole；Each left magnetic pole is fixed at the inside of the first U-shaped magnetic core；Each right magnetic pole is set to the inside of the second U-shaped magnetic core.Structure of the invention is compact, greatly reduces the entire area of common mode inductance, saves the space on circuit board.
Description
Technical field
The present invention relates to inductive technologies fields, and in particular to a kind of integrated three-phase common mode inductance of 5G.
Background technique
Inductance is the element that electric energy can be converted into magnetic energy and stored, be built-up circuit primary element it
One.
Traditional three-phase common mode inductance mostly uses toroidal cores, then the winding three-phase common mode line on toroidal cores
Circle, so the area of such three-phase common mode inductance is larger, the position occupied on circuit board is more, is unfavorable for the miniaturization of product
Design.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, a kind of integrated three-phase common mode inductance of 5G is provided, is passed through
It is compact-sized by the way of the first U-shaped magnetic core, the second U-shaped magnetic core and three magnetic poles, greatly reduce the whole of common mode inductance
Bulk area saves the space on circuit board.
To achieve the above object, concrete scheme of the invention is as follows: a kind of integrated three-phase common mode inductance of 5G, including the first U
Shape magnetic core, the second U-shaped magnetic core, three co-mode coils and three common mode magnetic poles；Three co-mode coils are wound around three altogether respectively
Three-phase common mode inductance winding is constituted after in mould magnetic pole；The first U-shaped magnetic core is oppositely arranged with the second U-shaped magnetic core；It is each described
Common mode magnetic pole includes left magnetic pole and right magnetic pole；Each left magnetic pole is fixed at the inside of the first U-shaped magnetic core；It is described every
A right magnetic pole is set to the inside of the second U-shaped magnetic core.
The present invention is further arranged to, and is equipped with air gap between the left magnetic pole and the right magnetic pole.
The present invention is further arranged to, and it further includes heat spreading chassis that the 5G, which integrates three-phase common mode inductance,；The heat spreading chassis
Including framework and several supporting blocks；The first U-shaped magnetic core and the second U-shaped magnetic core are set to the top surface of the framework；If
The dry supporting block is set to the bottom surface of the framework；Each co-mode coil is equipped with exit；Each extraction
End is disposed through in the supporting block.
The present invention is further arranged to, and the heat spreading chassis further includes the first support plate and the second support plate；Described first
Support plate and the second support plate are respectively positioned on the bottom of the framework；And first support plate and the second support plate are parallel to each other and set
It sets；The cross sectional shape of first support plate and second support plate is inverted trapezoidal.
The present invention is further arranged to, and is equipped with several ventholes in first support plate and the second support plate.
The present invention is further arranged to, and it further includes two heat dissipation copper sheets that the 5G, which integrates three-phase common mode inductance,；Described in two
Heat dissipation copper sheet is respectively arranged on the outside of the first U-shaped magnetic core and the outside of the second U-shaped magnetic core；Each heat dissipation upside of a tossed coin
It is equipped with several heat dissipation raised lines；The shape of the heat dissipation raised line is waveform.
The present invention is further arranged to, and the back side of each heat dissipation copper sheet is equipped with snakelike groove；It is each described snakelike
Heat-conducting copper pipe is equipped in groove.
The present invention is further arranged to, the first U-shaped magnetic core and heat dissipation copper sheet between and the second U-shaped magnetic core with
Heat-conducting glue is equipped between heat dissipation copper sheet.
The beneficial effects of the present invention are: by using the first U-shaped magnetic core, the second U-shaped magnetic core, three co-mode coils and three
A common mode magnetic pole, replaces the magnetic core of traditional circular ring shape, makes the compact-sized of entire common mode inductance, and area greatly reduces, and occupies
The area of circuit board is smaller.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is the explosive view after omission heat dissipation copper sheet of the invention；
Fig. 2 is the overall structure diagram after omission heat dissipation copper sheet of the invention；
Fig. 3 is front view of the invention；
Fig. 4 is the structural schematic diagram at the back side of heat dissipation copper sheet of the invention；
Fig. 5 is the positive structural schematic diagram of heat dissipation copper sheet of the invention；
Fig. 6 is that the present invention omits the top view after heat dissipation copper sheet and co-mode coil.
Wherein: 11- the first U-shaped magnetic core；12- the second U-shaped magnetic core；13- co-mode coil；14- common mode magnetic pole；The left magnetic pole of 15-；
The right magnetic pole of 16-；17- air gap；21- framework；22- supporting block；29- exit；The first support plate of 23-；The second support plate of 24-；25-
Venthole；26- heat dissipation copper sheet；27- heat dissipation raised line；The snakelike groove of 28-.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments, is not reality of the invention
It applies range and is confined to this.
As shown in figures 1 to 6, a kind of 5G described in the present embodiment integrates three-phase common mode inductance, including the first U-shaped magnetic core 11, the
Two co-mode coils 13 of U-shaped magnetic core 12, three and three common mode magnetic poles 14；Three co-mode coils 13 are wound around three common modes respectively
Three-phase common mode inductance winding is constituted after in magnetic pole 14；The first U-shaped magnetic core 11 is oppositely arranged with the second U-shaped magnetic core 12；Each
The common mode magnetic pole 14 includes left magnetic pole 15 and right magnetic pole 16；Each left magnetic pole 15 is fixed at the first U-shaped magnetic core
11 inside；Each right magnetic pole 16 is set to the inside of the second U-shaped magnetic core 12.
Specifically, it is formd between the first U-shaped magnetic core 11 and the second U-shaped magnetic core 12 being oppositely arranged and is sufficiently used for accommodating three
The space of a co-mode coil 13 and three common mode magnetic poles 14；Under the premise of guaranteeing coiling enough co-mode coil 13, phase
For traditional circular ring shape three-phase common mode inductance, the present invention can be effectively utilized vertical space, make the knot of entire common mode inductance
Structure is compact, thus its horizontal footprint area is smaller, and the area for occupying circuit board is smaller, and integrated level is higher, and it is small-sized to be conducive to product
Change design.
As shown in figures 1 to 6, a kind of integrated three-phase common mode inductance of 5G, the left magnetic pole 15 and the right side described in the present embodiment
Air gap 17 is equipped between magnetic pole 16.
By the way that air gap 17 is arranged, it can be reduced the eddy-current loss of left magnetic pole 15 and right magnetic pole 16, promote the efficiency of inductance entirety.
As shown in figures 1 to 6, a kind of integrated three-phase common mode inductance of 5G, the 5G described in the present embodiment integrate three-phase common mode electricity
Sense further includes heat spreading chassis；The heat spreading chassis includes framework 21 and several supporting blocks 22；The first U-shaped magnetic core 11 with
Second U-shaped magnetic core 12 is set to the top surface of the framework 21；Several described supporting blocks 22 are set to the bottom surface of the framework 21；
Each co-mode coil 13 is equipped with exit 29；Each exit 29 is disposed through in the supporting block 22.
Specifically, since the bottom of framework 21 is equipped with several supporting blocks 22,5G is being integrated into three-phase common mode inductance
When entirety is assembled on circuit boards, the presence of supporting block 22 will stop the bottom of framework 21 to be bonded circuit board, so the first U-shaped
There are empty slots between magnetic core 11, the second U-shaped magnetic core 12 and circuit board, due to the presence of empty slot, integrate three-phase common mode convenient for 5G
The bottom ventilation of inductance radiates, and improves working efficiency, can slow down 5G and integrate three-phase common mode inductance because of aging caused by weak heat-dissipating, prolong
Long life.In addition, since the use of the new type tool is there are three co-mode coil 13, each co-mode coil 13 is all provided with that there are two draw
End 29, then there are six exits 29 altogether can effectively be arranged every by the way that exit 29 to be disposed through in the supporting block 22
The position of a exit 29, prevents exit 29 disorderly and unsystematic, is also convenient for whole assembly on circuit boards.
As Figure 2-3, a kind of 5G described in the present embodiment integrates three-phase common mode inductance, and the heat spreading chassis further includes the
One support plate 23 and the second support plate 24；First support plate 23 and the second support plate 24 are respectively positioned on the bottom of the framework 21
Portion；And first support plate 23 and the second support plate 24 are arranged in parallel；First support plate 23 with described second
The cross sectional shape of fagging 24 is inverted trapezoidal.
Specifically, the first support plate 23 and the second support plate 24 are used to reinforce the integral rigidity of heat spreading chassis, avoid making
Used time, when the external forces such as colliding, supporting block 22 is broken, and causes to damage.
As Figure 2-3, a kind of 5G described in the present embodiment integrates three-phase common mode inductance, first support plate 23 and the
Several ventholes 25 are equipped in two support plates 24.For further strengthening heat dissipation effect.
As in Figure 3-5, a kind of integrated three-phase common mode inductance of 5G, the 5G described in the present embodiment integrate three-phase common mode electricity
Sense further includes two heat dissipation copper sheets 26；Two heat dissipation copper sheets 26 are respectively arranged on outside and the 2nd U of the first U-shaped magnetic core 11
The outside of shape magnetic core 12；The front of each heat dissipation copper sheet 26 is equipped with several heat dissipation raised lines 27；The heat dissipation raised line 27
Shape be waveform.
By the way that wavy heat dissipation raised line 27 is arranged in the outside of heat dissipation copper sheet 26, the contact surface of copper sheet and air can be increased
Product, good heat dissipation effect.
As shown in figures 1 to 6, a kind of integrated three-phase common mode inductance of 5G described in the present embodiment, each heat dissipation copper sheet 26
The back side is equipped with snakelike groove 28；Heat-conducting copper pipe is equipped in each snakelike groove 28.By setting heat-conducting copper pipe (in figure
Be not shown), can accelerated heat from be transmitted in common mode inductance heat dissipation copper sheet 26 on, good heat dissipation effect.
As shown in figures 1 to 6, a kind of 5G described in the present embodiment integrates three-phase common mode inductance, the first U-shaped magnetic core 11 with
Heat-conducting glue is equipped between heat dissipation copper sheet 26 and between the second U-shaped magnetic core 12 and heat dissipation copper sheet 26.It is thermally conductive by being arranged
Glue (not shown), can accelerated heat from be transmitted in common mode inductance heat dissipation copper sheet 26 on, good heat dissipation effect.
The above is only a preferred embodiment of the invention, therefore all according to structure described in present patent application range
It makes, the equivalent change or modification that feature and principle are done, in the protection scope of present patent application.
Claims (8)
1. a kind of 5G integrates three-phase common mode inductance, it is characterised in that: including the first U-shaped magnetic core (11), the second U-shaped magnetic core (12),
Three co-mode coils (13) and three common mode magnetic poles (14)；Three co-mode coils (13) are wound around three common mode magnetic poles respectively
(14) three-phase common mode inductance winding is constituted after on；
The first U-shaped magnetic core (11) is oppositely arranged with the second U-shaped magnetic core (12)；
Each common mode magnetic pole (14) includes left magnetic pole (15) and right magnetic pole (16)；Each left magnetic pole (15) is fixed at
The inside of the first U-shaped magnetic core (11)；Each right magnetic pole (16) is set to the inside of the second U-shaped magnetic core (12).
2. a kind of 5G according to claim 1 integrates three-phase common mode inductance, it is characterised in that: the left magnetic pole (15) and institute
It states and is equipped with air gap (17) between right magnetic pole (16).
3. a kind of 5G according to claim 1 integrates three-phase common mode inductance, it is characterised in that: the 5G integrates three-phase common mode
Inductance further includes heat spreading chassis；The heat spreading chassis includes framework (21) and several supporting blocks (22)；
The first U-shaped magnetic core (11) and the second U-shaped magnetic core (12) are set to the top surface of the framework (21)；
Several described supporting blocks (22) are set to the bottom surface of the framework (21)；
Each co-mode coil (13) is equipped with exit (29)；Each exit (29) is disposed through the branch
In bracer (22).
4. a kind of 5G according to claim 1 integrates three-phase common mode inductance, it is characterised in that: the heat spreading chassis further includes
First support plate (23) and the second support plate (24)；
First support plate (23) and the second support plate (24) are respectively positioned on the bottom of the framework (21)；And first support
Plate (23) and the second support plate (24) are arranged in parallel；
The cross sectional shape of first support plate (23) and second support plate (24) is inverted trapezoidal.
5. a kind of 5G according to claim 4 integrates three-phase common mode inductance, it is characterised in that: first support plate (23)
With several ventholes (25) are equipped on the second support plate (24).
6. a kind of 5G according to claim 1 integrates three-phase common mode inductance, it is characterised in that: the 5G integrates three-phase common mode
Inductance further includes two heat dissipation copper sheets (26)；Two heat dissipations copper sheet (26) are respectively arranged on the outside of the first U-shaped magnetic core (11)
And second U-shaped magnetic core (12) outside；The front of each heat dissipation copper sheet (26) is equipped with several heat dissipations raised line (27)；
The shape of heat dissipation raised line (27) is waveform.
7. a kind of 5G according to claim 6 integrates three-phase common mode inductance, it is characterised in that: each heat dissipation copper sheet
(26) the back side is equipped with snakelike groove (28)；Heat-conducting copper pipe is equipped in each snakelike groove (28).
8. a kind of 5G according to claim 6 integrates three-phase common mode inductance, it is characterised in that: the first U-shaped magnetic core
(11) heat-conducting glue is equipped between heat dissipation copper sheet (26) and between the second U-shaped magnetic core (12) and heat dissipation copper sheet (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655134.XA CN110310801A (en) | 2019-07-19 | 2019-07-19 | A kind of integrated three-phase common mode inductance of 5G |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910655134.XA CN110310801A (en) | 2019-07-19 | 2019-07-19 | A kind of integrated three-phase common mode inductance of 5G |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110310801A true CN110310801A (en) | 2019-10-08 |
Family
ID=68081654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910655134.XA Pending CN110310801A (en) | 2019-07-19 | 2019-07-19 | A kind of integrated three-phase common mode inductance of 5G |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110310801A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029095A (en) * | 2019-12-26 | 2020-04-17 | 杭州普晶电子科技有限公司 | Integrated integrated filter inductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078195A (en) * | 2014-06-30 | 2014-10-01 | 深圳市汇川技术股份有限公司 | Three-phase coupling reactor and converter |
| CN104637659A (en) * | 2015-02-11 | 2015-05-20 | 华为技术有限公司 | Coupling inductor and interleaved direct-current (DC) converter |
| CN105225794A (en) * | 2015-08-28 | 2016-01-06 | 国家电网公司 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
| US20170005566A1 (en) * | 2015-07-01 | 2017-01-05 | Abb Schweiz Ag | Common mode and differential mode filter for an inverter and inverter comprising such filter |
| CN207425599U (en) * | 2017-11-29 | 2018-05-29 | 郑州科创电子有限公司 | A kind of hyperfrequency secondary resonance transformer |
| CN210156223U (en) * | 2019-07-19 | 2020-03-17 | 东莞市大忠电子有限公司 | 5G integrated three-phase common mode inductor |
-
2019
- 2019-07-19 CN CN201910655134.XA patent/CN110310801A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078195A (en) * | 2014-06-30 | 2014-10-01 | 深圳市汇川技术股份有限公司 | Three-phase coupling reactor and converter |
| CN104637659A (en) * | 2015-02-11 | 2015-05-20 | 华为技术有限公司 | Coupling inductor and interleaved direct-current (DC) converter |
| US20170005566A1 (en) * | 2015-07-01 | 2017-01-05 | Abb Schweiz Ag | Common mode and differential mode filter for an inverter and inverter comprising such filter |
| CN105225794A (en) * | 2015-08-28 | 2016-01-06 | 国家电网公司 | A kind of three-phase and five-pole high frequency transformer with ventilation cooling structure |
| CN207425599U (en) * | 2017-11-29 | 2018-05-29 | 郑州科创电子有限公司 | A kind of hyperfrequency secondary resonance transformer |
| CN210156223U (en) * | 2019-07-19 | 2020-03-17 | 东莞市大忠电子有限公司 | 5G integrated three-phase common mode inductor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111029095A (en) * | 2019-12-26 | 2020-04-17 | 杭州普晶电子科技有限公司 | Integrated integrated filter inductor |
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