CN210692310U - Large-current energy storage inductor - Google Patents
Large-current energy storage inductor Download PDFInfo
- Publication number
- CN210692310U CN210692310U CN201922329141.9U CN201922329141U CN210692310U CN 210692310 U CN210692310 U CN 210692310U CN 201922329141 U CN201922329141 U CN 201922329141U CN 210692310 U CN210692310 U CN 210692310U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- type magnetic
- center pillar
- insulating sheet
- type
- 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.)
- Active
Links
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a large-current energy storage inductor, which comprises a first EC type magnetic core, a second EC type magnetic core, a winding type coil arranged between the first EC type magnetic core and the second EC type magnetic core, and an R type magnetic core component arranged in the axle center position of the winding type coil, wherein the first EC type magnetic core comprises a first center pillar arranged in the middle part, the second EC type magnetic core comprises a second center pillar arranged in the middle part, the R type magnetic core component is arranged between the first center pillar and the second center pillar, the R type magnetic core component comprises a first insulating sheet, a first R type magnetic core, a second insulating sheet, a second R type magnetic core and a third insulating sheet which are sequentially stacked, the first insulating sheet is bonded with the end surface of the first center pillar, the third insulating sheet is bonded with the end surface of the second center pillar, the R type magnetic core component replaces the air gap between the first center pillar and the second center pillar in the prior art, the effective utilization rate of the number of turns of the coil is improved, the loss of the inductor is reduced, and the energy storage efficiency of the inductor is improved.
Description
Technical Field
The utility model relates to an inductance especially relates to a heavy current energy storage inductance.
Background
The inductor is an element which can convert electric energy into magnetic energy to be stored, the inductor can block the change of current, and if the inductor is in a state that no current passes through the inductor, the inductor tries to block the current from flowing through the inductor when a circuit is switched on; if the inductor is in a current passing state, the inductor will try to keep the current unchanged when the circuit is opened.
In prior art's inductance, establish the coil in EC type magnetic core including two EC type magnetic cores and cover, wherein there is air gap between the center pillar at two EC type magnetic cores middle parts for the coil has partial number of turns to get rid of, causes the product magnetic leakage more, consequently has the technical problem that the loss is high, inefficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide one kind under the same coil, can be through heavy current, the loss is lower, the higher heavy current energy storage inductance of energy storage efficiency.
In order to achieve the above object, the utility model provides a large current energy storage inductance, including first EC type magnetic core and second EC type magnetic core to and install the coiling type coil between first EC type magnetic core and second EC type magnetic core, still including installing the R type magnetic core subassembly in coiling type coil axle center position, first EC type magnetic core is including setting up at the bellied first center pillar in middle part, second EC type magnetic core is including setting up at the bellied second center pillar in middle part, R type magnetic core subassembly sets up between first center pillar and second center pillar, R type magnetic core subassembly is including the first insulation piece, first R type magnetic core, second insulation piece, second R type magnetic core and the third insulating piece that stack gradually bonding set up, the first insulation piece bonds with the terminal surface of first center pillar mutually, the third insulating piece bonds with the terminal surface of second center pillar mutually.
Preferably, the R-shaped core assembly, the first center leg and the second center leg have the same shape.
Preferably, the first center pillar and the second center pillar of the R-type are respectively cylindrical, and the R-type magnetic core assembly is disposed in a cylindrical shape having the same outer diameter as the side surface of the first center pillar.
Preferably, the first insulation sheet, the second insulation sheet and the third insulation sheet are NOMEX sheets, respectively.
Preferably, annular accommodating grooves are formed in the first EC-type magnetic core and the second EC-type magnetic core respectively, the first center pillar/the second center pillar are arranged in the middle of the accommodating grooves, one end of the winding-type coil is sleeved in the accommodating groove of the first EC-type magnetic core, and the other end of the winding-type coil is sleeved in the accommodating groove of the second EC-type magnetic core.
Preferably, the maximum inner diameter of the receiving groove and the outer diameter of the winding coil are in clearance fit with each other.
Preferably, one end of the wound coil is bonded to the end face of the receiving groove of the first EC type magnetic core with an epoxy resin, and the other end of the wound coil is bonded to the end face of the receiving groove of the second EC type magnetic core with an epoxy resin.
Preferably, the winding-type coil includes a first terminal and a second terminal.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses R type magnetic core subassembly has been set up between the first center pillar of first EC type magnetic core and the second center pillar of second EC type magnetic core for first EC type magnetic core, second EC type magnetic core and R type magnetic core subassembly form stronger closed magnetic field, R type magnetic core subassembly has replaced the air gap between first center pillar and the second center pillar among the prior art, this closed magnetic field has improved the effective utilization of winding type coil number of turns, the loss of inductance has been reduced, the energy storage efficiency of inductance has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large-current energy storage inductor provided by the present invention;
fig. 2 is an exploded view of a large current energy storage inductor according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present invention provides a large current energy storage inductor, which includes a first EC type magnetic core 1 and a second EC type magnetic core 2, a winding type coil 3 disposed between the first EC type magnetic core 1 and the second EC type magnetic core 2, and an R type magnetic core assembly 4 disposed in an axial position of the winding type coil 3, wherein the first EC type magnetic core 1 includes a first center pillar 11 disposed in a middle portion of the core, the second EC type magnetic core 2 includes a second center pillar 21 disposed in a middle portion of the core, the R type magnetic core assembly 4 is disposed between the first center pillar 11 and the second center pillar 21, the R type magnetic core assembly 4 includes a first insulating sheet 41, a first R type magnetic core 42, a second insulating sheet 43, a second R type magnetic core 44, and a third insulating sheet 45 sequentially stacked and bonded, the first insulating sheet 41 and an end surface of the first center pillar 11 are bonded through an epoxy resin phase, the third insulating sheet 45 is bonded to the end face of the second center pillar 21 by epoxy resin.
The R-shaped core assembly 4, the first center leg 11 and the second center leg 21 have the same shape, and the same shape facilitates the one end of the R-shaped core assembly 4 to be reliably and stably bonded to the first center leg 11 and the other end to be reliably and stably bonded to the second center leg 21.
The first insulation sheet 41, the second insulation sheet 43 and the third insulation sheet 45 are NOMEX sheets respectively, the thickness of the NOMEX sheets is 0.05-0.76mm, and the dielectric strength of the NOMEX sheets is high. The NOMEX insulating sheet can resist short-time field intensity of 18-40KV/MM, is strong in mechanical toughness, is very firm, has the advantages of strong resilience, good tear resistance and corrosion resistance, wear resistance and high thermal stability, has extremely small or even no influence on electrical performance and mechanical performance at the temperature of not higher than 200 ℃, and can still maintain effective value under the condition of extremely high temperature, even if the electric sheet is continuously exposed and placed at 220 ℃, the electric sheet can still maintain for more than 10 years for a long time, so that when the inductor passes through large current, the reliability of the inductor can be ensured by the NOMEX insulating sheet, and the service life of the inductor is prolonged.
One end of the winding type coil 3 is bonded with the end face of the accommodating groove 13 of the first EC type magnetic core 1 through epoxy resin, and the other end of the winding type coil is bonded with the end face of the accommodating groove 13 of the second EC type magnetic core 2 through epoxy resin, so that the first EC type magnetic core 1, the winding type coil 3 and the second EC type magnetic core 2 form an arrangement.
The winding type coil 3 includes a first terminal 31 and a second terminal 32.
Owing to set up R type magnetic core subassembly 4 between first center pillar 11 of first EC type magnetic core 1 and the second center pillar 21 of second EC type magnetic core 2 for first EC type magnetic core 1, second EC type magnetic core 2 and R type magnetic core subassembly 4 form stronger closed magnetic field, R type magnetic core subassembly 4 has replaced the air gap between first center pillar 11 and the second center pillar 21 among the prior art, this closed magnetic field has improved the effective utilization of winding type coil number of turns, the loss of inductance has been reduced, the energy storage efficiency of inductance has been improved.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A large-current energy storage inductor comprises a first EC type magnetic core (1), a second EC type magnetic core (2) and a winding type coil (3) arranged between the first EC type magnetic core (1) and the second EC type magnetic core (2), and is characterized by further comprising an R type magnetic core assembly (4) arranged in the axis position of the winding type coil (3), wherein the first EC type magnetic core (1) comprises a first center pillar (11) arranged in the middle in a protruding manner, the second EC type magnetic core (2) comprises a second center pillar (21) arranged in the middle in a protruding manner, the R type magnetic core assembly (4) is arranged between the first center pillar (11) and the second center pillar (21), the R type magnetic core assembly (4) comprises a first insulating sheet (41), a first R type magnetic core (42), a second insulating sheet (43), a second R type insulating sheet (44) and a third insulating sheet (45) which are sequentially stacked and bonded, the first insulating sheet (41) is bonded to the end face of the first center pillar (11), and the third insulating sheet (45) is bonded to the end face of the second center pillar (21).
2. A high current energy storage inductor according to claim 1, wherein said R-core assembly (4), said first leg (11) and said second leg (21) are identical in shape.
3. A high current energy storage inductor according to claim 2, wherein said R-shaped first (11) and second (21) legs are cylindrical respectively, and said R-shaped core assembly (4) is cylindrical with the same outer diameter of the side of the first leg (11).
4. A high current energy storage inductor according to claim 1, wherein said first insulating sheet (41), second insulating sheet (43) and third insulating sheet (45) are NOMEX sheets respectively.
5. A large-current energy storage inductor according to claim 1, wherein the first EC type magnetic core (1) and the second EC type magnetic core (2) are respectively provided with an annular accommodating groove (13), the first central pillar (11)/the second central pillar (21) are arranged in the middle of the accommodating groove (13), one end of the winding type coil (3) is sleeved in the accommodating groove (13) of the first EC type magnetic core (1), and the other end is sleeved in the accommodating groove (13) of the second EC type magnetic core (2).
6. A high current energy storage inductor according to claim 5, wherein the largest inner diameter of the receiving slot (13) and the outer diameter of the winding coil (3) are in clearance fit.
7. A high-current energy-storage inductor according to claim 5, wherein one end of the winding-type coil (3) is bonded to the end face of the accommodating slot (13) of the first EC-type magnetic core (1) through epoxy resin, and the other end is bonded to the end face of the accommodating slot (13) of the second EC-type magnetic core (2) through epoxy resin.
8. A high current energy storage inductor according to claim 1, characterized in that said winding type coil (3) comprises a first terminal (31) and a second terminal (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329141.9U CN210692310U (en) | 2019-12-23 | 2019-12-23 | Large-current energy storage inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922329141.9U CN210692310U (en) | 2019-12-23 | 2019-12-23 | Large-current energy storage inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692310U true CN210692310U (en) | 2020-06-05 |
Family
ID=70886509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922329141.9U Active CN210692310U (en) | 2019-12-23 | 2019-12-23 | Large-current energy storage inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692310U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863015A (en) * | 2023-02-21 | 2023-03-28 | 深圳市斯比特技术股份有限公司 | Multi-coil continuous winding inductor |
-
2019
- 2019-12-23 CN CN201922329141.9U patent/CN210692310U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115863015A (en) * | 2023-02-21 | 2023-03-28 | 深圳市斯比特技术股份有限公司 | Multi-coil continuous winding inductor |
| CN115863015B (en) * | 2023-02-21 | 2023-04-25 | 深圳市斯比特技术股份有限公司 | Multi-coil continuous winding inductor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1332500C (en) | Small-sized dipolar single-phase generator | |
| US20070176722A1 (en) | High-current electrical coil, and transformer construction including same | |
| CN210692310U (en) | Large-current energy storage inductor | |
| TWI446379B (en) | Transformer structure and its application of rectifier circuit | |
| US4635019A (en) | Coil apparatus with divided windings | |
| CN209487309U (en) | A kind of resonant inductor | |
| CN219246508U (en) | High-power flat energy storage transformer | |
| CN201829300U (en) | Small-sized planar common mode choke | |
| CN210743752U (en) | Power inductor for reducing alternating current loss | |
| CN113223824A (en) | High-capacity power inductor convenient for automatic production | |
| CN205723097U (en) | A kind of Novel chip inductor | |
| CN210110483U (en) | Waterproof and insulating inductor | |
| CN210692320U (en) | Inductor for increasing saturation current | |
| CN208141945U (en) | A kind of on-deformable common mode inductance convenient for assembling | |
| CN207217252U (en) | A kind of assembly type transformer | |
| KR20210085122A (en) | Toroidal core | |
| CN211350308U (en) | Inductor that radiating efficiency is high | |
| JP2017059735A (en) | Transformer | |
| CN218384759U (en) | Magnetic combined inductor | |
| CN220962984U (en) | Transformer | |
| CN210692256U (en) | Large-current common-mode inductor | |
| CN205751743U (en) | A kind of chip inductor | |
| US20240233994A1 (en) | Skeletonless winding and magnetic assembly | |
| CN212648031U (en) | High-current-power chip inductor | |
| CN214068533U (en) | Large-current combined integrally-formed inductor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |