CN217933409U - Flat wire vertical winding nanocrystalline common mode inductor - Google Patents
Flat wire vertical winding nanocrystalline common mode inductor Download PDFInfo
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- CN217933409U CN217933409U CN202221913067.0U CN202221913067U CN217933409U CN 217933409 U CN217933409 U CN 217933409U CN 202221913067 U CN202221913067 U CN 202221913067U CN 217933409 U CN217933409 U CN 217933409U
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Abstract
The utility model discloses a flat line is immediately around nanocrystalline common mode inductance, including magnetic core and the coil of coiling on the magnetic core, the base is installed to the magnetic core bottom, the magnetic core is oval runway shape or rectangle, the coil has a plurality of groups and linear distribution, adjacent coil passes through U type baffle to be separated, the coil adopts by flat enameled wire to immediately wind the mode coiling on the magnetic core, be equipped with control by temperature change probe holder on the base, control by temperature change probe holder is used for installing control by temperature change probe, the base bottom forms a plurality of PIN feet, the PIN foot is used for connecting the PCB pad, through changing traditional circular magnetic core coiling common mode inductance into runway type or rectangle nanocrystalline magnetic core common mode inductance, and the lower extreme at the magnetic core is through adopting the flat enameled wire of sub-strand to immediately wind and make the coil, the coil sets up the stranded and separates through U type baffle, the heat dissipation space increases, thereby effectively reduce the temperature rise, the inductance can accomplish bigger under equal volume, effectively reduce the volume of inductance, distribution electric capacity is littleer between the winding, the high frequency interference suppression effect is better.
Description
Technical Field
The utility model belongs to the technical field of common mode inductance technique and specifically relates to a flat line is immediately around nanocrystalline common mode inductance is related to.
Background
The input end of a power supply is connected to an alternating current power grid, in order to reduce interference to the power grid, a power switch is usually connected with an inductor to filter a common-mode electromagnetic interference signal, so that the power supply meets the requirement of electromagnetic compatibility (EMC), the traditional common-mode inductor adopts a circular magnetic ring, the aperture of the magnetic ring is small, the utilization rate of a window is low, a machine is difficult to automatically wind, manual winding is needed, the processing cost is high, the efficiency is low, winding coils are all multilayer, in order to reduce copper loss, the inductor needs to use a plurality of strands of round copper wires to be wound in parallel or select a larger wire diameter, so that the size of the inductor is increased, the distributed capacitance among windings is high, and the high-frequency interference suppression effect is poor; simultaneously along with the grow of inductance volume, the inductance is singly by the fixed vibrations experiment of some glue modes difficult passing through, has safe risk, provides a flat line and immediately winds nanocrystalline common mode inductance for this reason.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, the utility model provides a flat line is immediately around nanocrystalline common mode inductance, effectively reduces the temperature rise, and the inductance volume can be accomplished bigger under equal volume, effectively reduces the volume of inductance, and distributed capacitance is littleer between the winding, and the high frequency suppression interference effect is better.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a flat line is immediately around nanocrystalline common mode inductance, includes magnetic core and the coil of coiling on the magnetic core, and the base is installed to the magnetic core bottom, and the magnetic core is oval runway shape or rectangle, and the coil has a plurality of groups and linear distribution, and adjacent coil passes through U type baffle and separates, and the coil adopts immediately to wind the mode coiling on the magnetic core by flat enameled wire, is equipped with control by temperature change probe holder on the base, and control by temperature change probe holder is used for installing the control by temperature change probe, and the base bottom forms a plurality of PIN feet, and the PIN foot is used for connecting the PCB pad.
As an optimal technical scheme of the utility model, the upper end and the lower extreme of magnetic core are the linear type, the material of magnetic core is the nanocrystalline magnetic core.
As a preferred technical scheme of the utility model, the base both sides form the side package frame, and the both sides cladding of magnetic core is fixed in the side package frame.
As an optimal technical scheme of the utility model, magnetic core, U type baffle and coil pass through the epoxy glue to be fixed on base and side package frame, the outside end of side package frame forms outer border, the screw hole site has been seted up to outer border.
As a preferred technical scheme of the utility model, the thickness of the flat enameled wire that the coil coiling was used is 1mm to 2mm, and the width is 5mm to 8mm, and the coil is through the flat enameled wire of sub-strand and immediately around forming.
As a preferred technical scheme of the utility model, the material of U type baffle is insulating film or epoxy, magnetic core lower extreme butt is in U type baffle top U type mouth.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
1. the traditional round magnetic core winding common mode inductor is changed into a runway type or rectangular nanocrystalline magnetic core common mode inductor, a coil is formed at the lower end of the magnetic core through single-strand flat enameled wire vertical winding, the coil is provided with a plurality of strands and is separated through a U-shaped partition plate, the heat dissipation space is increased, so that the temperature rise is effectively reduced, the inductance can be larger under the same volume, the size of the inductor is effectively reduced, the distributed capacitance among the windings is smaller, the high-frequency interference suppression effect is better, a temperature control probe is installed by matching with a self-carried temperature control probe frame, the temperature rise of the inductor can be monitored at any time, the flat wire vertical winding can be wound by using a vertical winding machine, the winding efficiency is increased, the winding cost is reduced, and the winding efficiency is improved;
2. the two outer edges are provided with screw hole positions, screws are directly locked to fix the inductor, and the vibration reliability test is ensured to be free of problems.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a front view of the flat wire vertical winding nanocrystalline common mode inductor of the present invention;
fig. 3 is a top view of the flat wire vertical winding nanocrystal common mode inductor of the present invention;
fig. 4 is a bottom view of the flat wire vertical winding nanocrystalline common mode inductor of the present invention;
fig. 5 is a side view of the flat wire vertical winding nano crystal common mode inductor of the present invention.
Wherein: 1. a base; 2. a coil; 3. a side wrapping frame; 4. a PIN PIN; 5. a magnetic core; 6. an outer edge; 7. a U-shaped partition plate; 8. screw hole positions; 9. a temperature control probe frame.
Detailed Description
In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Referring to fig. 1 ~ 5 shown, the utility model provides a flat line immediately winds nanocrystalline common mode inductance, coil 2 on magnetic core 5 including magnetic core 5 and coiling, base 1 is installed to magnetic core 5 bottom, magnetic core 5 is oval runway shape or rectangle, coil 2 has a plurality of groups and linear distribution, adjacent coil 2 separates through U type baffle 7, U type baffle 7 is fixed on base 1, a coil 2 for making adjacent group guarantees safe regulation distance, coil 2 adopts by flat enameled wire to found the mode coiling on magnetic core 5, can reduce the inductance volume under the condition of accomplishing the same inductance volume, cooperation U type baffle 7, increase common mode inductance's heat dissipation space, be equipped with control by temperature change probe frame 9 on base 1, control by temperature change probe frame 9 is used for installing the control by temperature change probe, control by temperature change probe detectable inductance temperature rise, the excellent radiating effect of cooperation common mode inductance, further increase the good heat dispersion of common mode inductance. A plurality of PIN feet 4 are formed at the bottom of the base 1, and the PIN feet 4 are used for connecting with the PCB pads.
Preferably, the upper end and the lower end of the magnetic core 5 are linear, and the material of the magnetic core 5 is a nanocrystalline magnetic core; the upper and lower extreme of linear type can be convenient for magnetic core 5 and carry out vertical wire winding, and the excellent magnetic conductivity of cooperation nanocrystalline magnetic core improves its inductance value, can further reduce common mode inductance volume.
Preferably, the side wrapping frame 3 is formed on two sides of the base 1, and two sides of the magnetic core 5 are wrapped and fixed in the side wrapping frame 3; the magnetic core 5 is limited and fixed, and the connection firmness of the magnetic core 5 is improved.
Preferably, the magnetic core 5, the U-shaped partition plate 7 and the coil 2 are fixed on the base 1 and the side wrapping frame 3 through epoxy resin glue, an outer edge 6 is formed at the outer side end of the side wrapping frame 3, and a screw hole site 8 is formed in the outer edge 6; realize being connected and fixed of magnetic core 5 and coil 2 and base 1, when carrying out the shock test, directly lock the screw fixed inductance, ensure that the shock reliability test is problem-free.
Preferably, the thickness of the flat enameled wire used for winding the coil 2 is 1mm to 2mm, the width of the flat enameled wire is 5mm to 8mm, and the coil 2 is formed by vertically winding a single-strand flat enameled wire; the winding efficiency can be increased by adopting the flat enameled wire edge to wind vertically, so that the coil 2 with the same volume has larger inductance.
Preferably, the material of the U-shaped partition 7 is an insulating film or epoxy resin, and the lower end of the magnetic core 5 abuts against the U-shaped opening at the top end of the U-shaped partition 7; increasing the spacing between adjacent coils 2 facilitates heat dissipation.
Through changing traditional circular magnetic core coiling common mode inductance into runway type or rectangle nanocrystalline magnetic core common mode inductance, and coil 2 is made through adopting single flat enameled wire to immediately wind at the lower extreme of magnetic core 5, coil 2 sets up the stranded and separates through U type baffle 7, guarantee that adjacent coil 2 is in the safety regulation distance, single flat enameled wire immediately winds messenger coil 2 inside interval more even, the heat dissipation space increases, thereby reduce the temperature rise, the cooperation is from the control by temperature change probe frame 9 of taking, install the control by temperature change probe, can monitor the inductance temperature rise at any time, simultaneously the inductance can accomplish bigger under equal volume, distributed capacitance is littleer, flat wire immediately can use immediately around the quick-witted wire winding of winding, the seam is even between the flat wire copper line, the heat dissipation space increases, thereby reduce the temperature rise.
The novel inductance baffle adopts 'U' type shape, changes light equipment and guarantees the ann rule distance, and production efficiency is higher, and the quality is better, and the protective case is from taking temperature control probe frame 9, can monitor the inductance temperature rise at any time.
The novel inductor is fixed by directly locking screws in the screw hole positions 8 on two sides of the novel inductor, so that no problem in a vibration reliability test is ensured.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a flat wire is immediately around nanocrystalline common mode inductance, includes magnetic core (5) and coil (2) of coiling on magnetic core (5), its characterized in that: base (1) is installed to magnetic core (5) bottom, magnetic core (5) are oval runway shape or rectangle, coil (2) have a plurality of groups and the linear distribution, adjacent coil (2) are separated through U type baffle (7), coil (2) adopt by flat enameled wire to found the mode coiling on magnetic core (5), be equipped with control by temperature change probe frame (9) on base (1), control by temperature change probe frame (9) are used for installing control by temperature change probe, base (1) bottom forms a plurality of PIN feet (4), PIN foot (4) are used for connecting the PCB pad.
2. The flat-wire standing-wound nanocrystalline common-mode inductor according to claim 1, characterized in that: the upper end and the lower end of the magnetic core (5) are linear, and the magnetic core (5) is made of a nanocrystalline magnetic core.
3. The flat-wire vertical wound nanocrystal common mode inductor of claim 1, wherein: the side wrapping frame (3) is formed on two sides of the base (1), and two sides of the magnetic core (5) are wrapped and fixed in the side wrapping frame (3).
4. The flat-wire standing-wound nanocrystalline common-mode inductor according to claim 1, characterized in that: magnetic core (5), U type baffle (7) and coil (2) are fixed on base (1) and side package frame (3) through the epoxy glue, the outside end of side package frame (3) forms outer edgewise (6), set up screw hole site (8) on outer edgewise (6).
5. The flat-wire standing-wound nanocrystalline common-mode inductor according to claim 1, characterized in that: the thickness of the flat enameled wire used for winding the coil (2) is 1mm to 2mm, the width of the flat enameled wire is 5mm to 8mm, and the coil (2) is formed by vertically winding the single-stranded flat enameled wire.
6. The flat-wire standing-wound nanocrystalline common-mode inductor according to claim 1, characterized in that: the U-shaped partition plate (7) is made of an insulating film or epoxy resin, and the lower end of the magnetic core (5) abuts against the inside of a U-shaped opening at the top end of the U-shaped partition plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913067.0U CN217933409U (en) | 2022-07-20 | 2022-07-20 | Flat wire vertical winding nanocrystalline common mode inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221913067.0U CN217933409U (en) | 2022-07-20 | 2022-07-20 | Flat wire vertical winding nanocrystalline common mode inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217933409U true CN217933409U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221913067.0U Active CN217933409U (en) | 2022-07-20 | 2022-07-20 | Flat wire vertical winding nanocrystalline common mode inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217933409U (en) |
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2022
- 2022-07-20 CN CN202221913067.0U patent/CN217933409U/en active Active
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Denomination of utility model: A flat wire vertically wound nanocrystalline common mode inductor Effective date of registration: 20230908 Granted publication date: 20221129 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: Guangdong Lianda Mingci Technology Co.,Ltd. Registration number: Y2023980055832 |