CN207731776U - A kind of novel laminated coil resonance inductance of charging pile - Google Patents
A kind of novel laminated coil resonance inductance of charging pile Download PDFInfo
- Publication number
- CN207731776U CN207731776U CN201721714842.9U CN201721714842U CN207731776U CN 207731776 U CN207731776 U CN 207731776U CN 201721714842 U CN201721714842 U CN 201721714842U CN 207731776 U CN207731776 U CN 207731776U
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- China
- Prior art keywords
- magnetic core
- coil
- charging pile
- planar
- novel laminated
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Links
- 238000004804 winding Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000011889 copper foil Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000011162 core material Substances 0.000 description 49
- 230000005611 electricity Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
A kind of novel laminated coil resonance inductance of charging pile, relative to traditional round copper wire, it is limited in linear distance using the planar coil advantage of platypelloid type, can around more the number of turns, to promote whole inductance value and reduce the space occupied volume, and the planar coil of platypelloid type, relative to typical round copper wire, heat dissipation area is significantly increased, and is conducive to preferably radiate；The magnetic core stem in the middle part of two magnetic core main bodys is docked after passing through at the center of annulus winding and is formed simultaneously, is reduced the utilization rate of magnetic loop and electrical circuit, while wire winding is simple, is reduced the labor intensity of worker, improve production efficiency；So that entire copper foil resonant inductance has light-weight, efficient, the small feature of noise, and it can adapt to higher frequency by more high current, high-power, low-loss, obtain more high q-factor.
Description
Technical field
The utility model is related to resonant inductance technical fields, more particularly to a kind of novel laminated coil resonance electricity of charging pile
Sense.
Background technology
New electronic component planarizing, is being miniaturized, high frequency, wideband, high precision int and integrated side.Resonance electricity
Sense is as one of the key element in electronic equipment, and volume becomes smaller, weight becomes lighter, performance promotion.
Coiling resonant inductance mainly whether there is or not skeleton Wound-rotor type and has two kind pattern of skeleton Wound-rotor type formula.The two is tradition
The product of wire-wound inductor type；The volumetric spaces that the resonant inductance of traditional wire-wound inductor type occupies are larger, heat dissipation performance
Difference, and structure is more complicated, and production efficiency is not high.
Invention content
To solve the above problems, the utility model provides a kind of novel laminated coil resonance inductance of charging pile, the sky of occupancy
Between it is small, simple in structure and production efficiency is high.
To achieve the above object, the technical solution adopted in the utility model is：A kind of novel laminated coil resonance of charging pile
Inductance, which is characterized in that including two magnetic core main bodys being mutually paired and several planar coils, wherein the planar coil
Both ends on be respectively arranged with connection terminal, plurality of planar coil is overlapped and constitutes coil windings, wherein the line
The center for enclosing winding is equipped with magnetic core channel, and the magnetic core stem in corresponding magnetic core channel, and institute are equipped at the center of the magnetic core main body
It is ramp structure to state the surface at the top of magnetic core stem；The two magnetic core stems are plugged in magnetic core channel, and on two magnetic core stems
Inclined-plane be mutually parallel and there are gaps.
Specifically, further include shell, the shell is fitted in the side of magnetic core main body.
Specifically, the magnetic core stem and the shape in magnetic core channel match.
Specifically, the planar coil is suppressed by copper foil.
Specifically, the upper and lower surface of planar coil is equipped with insulation glue surface.
The beneficial effects of the utility model are：It is excellent using the planar coil of platypelloid type relative to traditional round copper wire
Point is limited in linear distance, can around more the number of turns, to promote whole inductance value and reduce the sky of occupancy
Between volume, and the planar coil of platypelloid type, relative to typical round copper wire, heat dissipation area is significantly increased, and is conducive to preferably
Heat dissipation；The magnetic core stem in the middle part of two magnetic core main bodys passes through the magnetic core channel at coil windings center, and two magnetic core stems simultaneously
The ramp structure on surface is mutually parallel, and is constituted there are gap and open air gap, prevents resonant inductance from producing at work wherein opening air gap
Magnetisation saturation reduces magnetic conductivity, and line Wei characteristic is made to be less dependent on the initial permeability of core material.It avoids in the big letter of exchange
Number or direct current biasing under magnetic saturation phenomenon, preferably control inductance value, comparatively the local leakage field and Wen Shenghui of this inductance
It is risen than the leakage field of conventional planar air gap and temperature much smaller；Reduce the utilization rate of magnetic loop and electrical circuit, while wire winding
Simply, the labor intensity for reducing worker, improves production efficiency；So that entire copper foil resonant inductance has light-weight, efficiency
Height, the small feature of noise, and can adapt to higher frequency by more high current, high-power, low-loss, obtain higher quality factor Q
Value.
Description of the drawings
Fig. 1 is the vertical view of the utility model planar coil.
Fig. 2 is the side view of the utility model magnetic core main body.
Fig. 3 is the utility model explosive view.
Fig. 4 is to open gap structure schematic diagram in the utility model magnetic core main body.
Drawing reference numeral explanation：1- planar coils；11- coil first ends；12- coil second ends；The connections of 111- first
Terminal；121- second connection end；10- coil windings；2- magnetic core main bodys；21- magnetic core stems；The inclined-planes 22-；23- opens air gap.
Specific implementation mode
It please refers to shown in Fig. 3-4, in this embodiment, a kind of novel laminated coil resonance inductance of charging pile, including
Two magnetic core main bodys 2 being mutually paired and several planar coils 1, wherein being respectively set on the both ends of the planar coil 1
There is connection terminal, plurality of planar coil 1 is overlapped and constitutes coil windings 10, wherein the center of the coil windings 10
Equipped with magnetic core channel, the magnetic core stem 21 in corresponding magnetic core channel, and the magnetic core stem are equipped at the center of the magnetic core main body 2
21 surface is 22 structure of inclined-plane；The two magnetic core stems 21 are plugged in magnetic core channel, and the inclined-plane on two magnetic core stems 21
22 are mutually parallel and there are gaps.
It please refers to Fig.1 shown in -3, including multiple planar coils 1, the both ends of the planar coil 1 are respectively the first end of coil
End 11, coil second end 12, coil first end 11 are arranged in the top of coil second end 12, the coil first
End 11 is equipped with the first connection terminal 111 extended to the right, and coil second end 12 is provided with the second connection end extended to the left
Son 121；The first connection terminal 111 and second connection end 121 wherein on each planar coil 1 respectively with power supply pcb board
It is electrically connected.
Relative to traditional round copper wire, it is limited in linear distance using 1 advantage of planar coil of platypelloid type,
Can around more the number of turns, to promote whole inductance value and reduce the space occupied volume, and the planar line of platypelloid type
Relative to typical round copper wire, heat dissipation area is significantly increased circle 1, is conducive to preferably radiate；Simultaneously in two magnetic core main bodys 2
The magnetic core stem 21 in portion passes through the magnetic core channel at 10 center of coil windings, and the 22 structure phase of inclined-plane on two magnetic core stems, 21 surface
It is mutually parallel, and constituted there are gap and open air gap 23, wherein open air gap 23 can prevent from generating at work exchange big signal or
Magnetic saturation phenomenon under direct current biasing, preferably controls inductance value.Reduce magnetic conductivity simultaneously, line Wei characteristic is made to be less dependent on
The initial permeability of core material reduces the utilization rate of magnetic loop and electrical circuit, while wire winding is simple, reduces worker
Labor intensity, improve production efficiency；So that entire resonant inductance has light-weight, efficient, the small feature of noise, and can
High-power by more high current, low-loss adapts to higher frequency, obtains higher quality factor Q values.
Specifically, the magnetic core stem 21 and the shape in the magnetic core channel at 10 center of coil windings match.By
In in this embodiment, described two magnetic core main bodys 2 are the PQ type magnetic cores being mutually paired, wherein PQ types magnetic core PQ shapes
Ratio of the design optimization between core volume surface area and winding technique area, this design using minimum magnetic core so that carried
It is possibly realized for maximum inductance value and maximized coiling area, while can be in minimum resonant inductance volume and weight
Under, maximum output power is obtained, and occupy minimum PCB installation spaces and can use and pay a clip to carry out installation fixation this
The magnetic circuit sectional area for effectively designing the magnetic core also made is more unified；In addition described two magnetic core stems 21 can also be phase interworking
To UT or E I or ERI type magnetic cores.
Specifically, wherein further including two shells in this embodiment, the shell is separately positioned on coil windings
10 both sides, and be fitted on the side of two magnetic core main bodys 2.Shell can make basic protective effect with magnetic core main body 2.
Specifically, since each planar coil 1 is upper and lower closed assembly, there are gap, and the window of magnetic core up and down
Utilization rate is not also high, and this structure forms radiator window.Thermal window is conducive to heat dissipation, is less than 40 in rated for service Wen Sheng
℃.To substantially reduce core loss, and heat ageing phenomenon is not present, product work is more stable.
Specifically, the planar coil 1 is suppressed by copper foil.Copper foil is a kind of cloudy matter electrolysis material, is deposited in electricity
A floor on the plate basal layer of road is thin, continuous metal foil；It is because copper foil has using copper foil as the material of planar coil 1 is made
There is excellent conduction, and the effect of electromagnetic shielding is provided, performance is stablized.
Specifically, the upper and lower surface of planar coil 1 is equipped with insulation glue surface.The glue surface that insulate is in each planar line
Circle 1 plays the role of insulation, ensures between each planar coil 1 to be not in the case where contact leads to not normal work.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (5)
1. a kind of novel laminated coil resonance inductance of charging pile, which is characterized in that including two magnetic core main bodys being mutually paired with
And several planar coils, wherein connection terminal is respectively arranged on the both ends of the planar coil, plurality of planar coil
It is overlapped and constitute coil windings, wherein the center of the coil windings is equipped with magnetic core channel, the center of the magnetic core main body
Place is equipped with the magnetic core stem in corresponding magnetic core channel, and the surface at the top of the magnetic core stem is ramp structure；Wherein two magnetic
Core stem is plugged in magnetic core channel, and the inclined-plane on two magnetic core stems is mutually parallel and there are gaps.
2. the novel laminated coil resonance inductance of a kind of charging pile according to claim 1, which is characterized in that further include outer
Shell, the shell are fitted in the two sides of magnetic core main body.
3. the novel laminated coil resonance inductance of a kind of charging pile according to claim 1, which is characterized in that the magnetic core core
Column and the shape in magnetic core channel match.
4. the novel laminated coil resonance inductance of a kind of charging pile according to claim 1, which is characterized in that the planar line
Circle is suppressed by copper foil.
5. the novel laminated coil resonance inductance of a kind of charging pile according to claim 1, which is characterized in that planar coil
Upper and lower surface is equipped with insulation glue surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714842.9U CN207731776U (en) | 2017-12-07 | 2017-12-07 | A kind of novel laminated coil resonance inductance of charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721714842.9U CN207731776U (en) | 2017-12-07 | 2017-12-07 | A kind of novel laminated coil resonance inductance of charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731776U true CN207731776U (en) | 2018-08-14 |
Family
ID=63098192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721714842.9U Expired - Fee Related CN207731776U (en) | 2017-12-07 | 2017-12-07 | A kind of novel laminated coil resonance inductance of charging pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731776U (en) |
-
2017
- 2017-12-07 CN CN201721714842.9U patent/CN207731776U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190320 Address after: 516023 No. 3 Xiangda Road, Xiaojinkou Street Office, Huicheng District, Guangdong Province Patentee after: HUIZHOU YINGDATE ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 523000 Third Floor, Building B, No. 1 Nengda Road, Tianliao Village, Shipai Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN CITY LEVIN FEIERTE ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 |