CN210443397U - RUI magnetic element - Google Patents
RUI magnetic element Download PDFInfo
- Publication number
- CN210443397U CN210443397U CN201921535236.XU CN201921535236U CN210443397U CN 210443397 U CN210443397 U CN 210443397U CN 201921535236 U CN201921535236 U CN 201921535236U CN 210443397 U CN210443397 U CN 210443397U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- magnetic core
- core
- center pillar
- square body
- 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 Or Transformers For Communication (AREA)
Abstract
The utility model relates to the technical field of inductors, in particular to an RUI magnetic element, which comprises a center pillar magnetic core, two U-shaped magnetic cores and an air gap medium; through be equipped with the first arch that the cross sectional shape is isosceles triangle on the both ends face at center pillar magnetic core, be equipped with the perpendicular to at the both ends of U type magnetic core the second of the second square body length direction of U type magnetic core is protruding, and the bellied cross sectional shape of second is trapezoidal, sets up the cross sectional shape on the second arch be trapezoidal tip the inclined plane with the cross sectional shape on the first arch is the inclined plane looks adaptation of isosceles triangle's tip to make the magnetic resistance grow on the magnetic line of force that magnetic circuit length is shorter, make the magnetic resistance on the magnetic line of force that magnetic circuit length is longer diminish, thereby make the magnetic resistance difference between the magnetic line of force that magnetic circuit length is shorter and the magnetic line of force that magnetic circuit length is longer reduce by a wide margin, magnetic line of force distributes more evenly, and magnetic element's.
Description
Technical Field
The utility model relates to an inductor technical field, in particular to RUI magnetic element.
Background
The conventional coil inductor generally comprises a magnetic core and a coil, and in order to prevent magnetic saturation, a magnetic circuit air gap is usually provided in a magnetic circuit. As known from the patent publication No. CN207217212U, there is a UUI type combined magnetic core in the prior art, which refers to a combination including an I type magnetic core and two U type magnetic cores, and a sheet-like air gap medium is provided at a mating surface where the U type magnetic core and the I type magnetic core are in contact with each other.
However, since the air gap medium has a certain thickness, when the air gap medium is disposed between the U-shaped magnetic core and the I-shaped magnetic core, the coil mounted on the I-shaped magnetic core needs to be structurally adjusted, so that the middle of the end surface of the coil contacting the I-shaped magnetic core is provided with the slot for mounting the air gap medium, and the slotting on the coil increases the process cost.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the present invention provides an RUI magnetic component, which can make the magnetic force lines between the U-shaped and the middle pole magnetic cores uniformly distributed.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an RUI magnetic element comprises a center pillar magnetic core, two U-shaped magnetic cores and an air gap medium;
the center pillar magnetic core comprises a first square body and first bulges, the first bulges extend outwards from two end faces of the first square body, and the cross section of each first bulge along the length direction of the first square body is in an isosceles triangle shape;
the U-shaped magnetic core comprises a second square body and second bulges, the second bulges extend from two end parts of the second square body along the length direction vertical to the second square body, the section shape of the second bulges along the length direction of the second square body is trapezoidal, and the inclined plane of the end part with the trapezoidal section shape on the second bulges is matched with the inclined plane of the end part with the isosceles triangle section shape on the first bulges;
the two U-shaped magnetic cores are symmetrically distributed on two sides of the center pillar magnetic core in the width direction, and the opening of each U-shaped magnetic core faces the center pillar magnetic core;
the air gap medium is arranged between the bevel edge of the end part of the isosceles triangle of the center pillar magnetic core and the bevel edge of the trapezoidal end part of the U-shaped magnetic core.
Further, the included angle range between the inclined edge of the end part of the isosceles triangle extending along the end part of the center pillar magnetic core and the inclined edge of the trapezoid extending along the end part of the U-shaped magnetic core is 0.1 to 15 degrees.
Furthermore, the first square body of the center pillar magnetic core divides the center pillar magnetic core along the center line in the width direction, an air gap is arranged between the divided center pillar magnetic cores, and an air gap medium is arranged between the air gaps of the middle magnetic core.
Further, the air gap medium is made of a PET medium.
Further, the width of the U-shaped opening of the U-shaped magnetic core is larger than the length of the center pillar magnetic core.
The beneficial effects of the utility model reside in that: in the RUI magnetic element, the two end faces of the center pillar magnetic core are provided with first protrusions with isosceles triangle-shaped cross sections, the two end faces of the U-shaped magnetic core are provided with second protrusions perpendicular to the length direction of a second square body of the U-shaped magnetic core, the cross section of each second protrusion is trapezoidal, the inclined plane of the end part with the trapezoidal cross section on each second protrusion is matched with the inclined plane of the end part with the isosceles triangle-shaped cross section on each first protrusion, so that the magnetic resistance on the magnetic line with the short magnetic path length is increased, the magnetic resistance on the magnetic line with the long magnetic path length is decreased, the magnetic resistance difference between the magnetic line with the short magnetic path length and the magnetic line with the long magnetic path length is decreased greatly, the magnetic force distribution is more uniform, and the electromagnetic energy efficiency of the magnetic element is improved greatly.
Drawings
FIG. 1 is a schematic representation of an RUI magnetic element of the present invention;
FIG. 2 is an exploded view of a middle core of an RUI magnetic component according to the present invention;
description of reference numerals:
1. a center pillar magnetic core; 11. a first square body; 12. a first protrusion; 2. a U-shaped magnetic core; 21. a second square body; 22. a second protrusion; 3. an air gap medium.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 2, an RUI magnetic element of the present invention includes a center pillar magnetic core, two U-shaped magnetic cores, and an air gap medium;
the center pillar magnetic core comprises a first square body and first bulges, the first bulges extend outwards from two end faces of the first square body, and the cross section of each first bulge along the length direction of the first square body is in an isosceles triangle shape;
the U-shaped magnetic core comprises a second square body and second bulges, the second bulges extend from two end parts of the second square body along the length direction vertical to the second square body, the section shape of the second bulges along the length direction of the second square body is trapezoidal, and the inclined plane of the end part with the trapezoidal section shape on the second bulges is matched with the inclined plane of the end part with the isosceles triangle section shape on the first bulges;
the two U-shaped magnetic cores are symmetrically distributed on two sides of the center pillar magnetic core in the width direction, and the opening of each U-shaped magnetic core faces the center pillar magnetic core;
the air gap medium is arranged between the bevel edge of the end part of the isosceles triangle of the center pillar magnetic core and the bevel edge of the trapezoidal end part of the U-shaped magnetic core.
From the above description, the beneficial effects of the present invention are: in the RUI magnetic element, the two end faces of the center pillar magnetic core are provided with first protrusions with isosceles triangle-shaped cross sections, the two end faces of the U-shaped magnetic core are provided with second protrusions perpendicular to the length direction of a second square body of the U-shaped magnetic core, the cross section of each second protrusion is trapezoidal, the inclined plane of the end part with the trapezoidal cross section on each second protrusion is matched with the inclined plane of the end part with the isosceles triangle-shaped cross section on each first protrusion, so that the magnetic resistance on the magnetic line with the short magnetic path length is increased, the magnetic resistance on the magnetic line with the long magnetic path length is decreased, the magnetic resistance difference between the magnetic line with the short magnetic path length and the magnetic line with the long magnetic path length is decreased greatly, the magnetic force distribution is more uniform, and the electromagnetic energy efficiency of the magnetic element is improved greatly.
Further, the included angle range between the inclined edge of the end part of the isosceles triangle extending along the end part of the center pillar magnetic core and the inclined edge of the trapezoid extending along the end part of the U-shaped magnetic core is 0.1 to 15 degrees.
As can be seen from the above description, when the included angle between the inclined edge of the isosceles triangle end extending from the end of the center pillar magnetic core and the inclined edge of the trapezoid extending from the end of the U-shaped magnetic core is in the range of 0.1 to 15 degrees, the magnetic lines of force unevenly distributed between the U-shaped magnetic core and the center pillar magnetic core of the magnetic elements of different sizes become more evenly distributed.
Furthermore, the first square body of the center pillar magnetic core divides the center pillar magnetic core along the center line in the width direction, an air gap is arranged between the divided center pillar magnetic cores, and an air gap medium is arranged between the air gaps of the middle magnetic core.
As can be seen from the above description, the number of air gaps in the magnetic core element is increased, the magnitude of the diffused magnetic flux deep into the coil is reduced, the electromagnetic loss is reduced, and the electromagnetic conversion efficiency is improved.
Further, the air gap medium is made of a PET medium.
As can be seen from the above description, the PET medium has various thicknesses, and different air gap amounts can be set according to different circuit requirements, if the PET medium is not provided, the magnetic cores are combined, and the air gaps become invariable micro air gap amounts, so that the production requirements cannot be met; the PET medium with the air gap can play a supporting role. Meanwhile, loss can be reduced by a plurality of air gaps.
Further, the width of the U-shaped opening of the U-shaped magnetic core is larger than the length of the center pillar magnetic core.
As can be seen from the above description, the width of the U-shaped opening of the U-shaped core is greater than the length of the center pillar core, and when the U-shaped core and the center pillar core are assembled, the two U-shaped cores clamp the center pillar core between the two U-shaped cores to form a magnetic element as a whole, thereby facilitating the assembly of the magnetic element.
Referring to fig. 1 to fig. 2, a first embodiment of the present invention is:
an RUI magnetic element comprises a center pillar magnetic core 1, two U-shaped magnetic cores 2 and an air gap medium 3;
the center pillar magnetic core 1 comprises a first square body 11 and first bulges 12, the two end faces of the first square body 11 are outwards extended with the first bulges 12, and the cross section of the first bulges 12 along the length direction of the first square body 11 is in an isosceles triangle shape; the first square body 11 of the center pillar magnetic core 1 divides the center pillar magnetic core 1 along the center line in the width direction, an air gap is arranged between the divided center pillar magnetic cores 1, an air gap medium 3 is arranged between the air gaps of the middle magnetic core, and the air gap medium 3 is made of PET (polyethylene terephthalate), or ceramics, epoxy plates, glass beads and the like;
the U-shaped magnetic core 2 comprises a second square body 21 and second bulges 22, the second bulges 22 extend from two end parts of the second square body 21 along the length direction perpendicular to the second square body 21, the cross section of the second bulges 22 along the length direction of the second square body 21 is trapezoidal, and the inclined plane of the end part with the trapezoidal cross section on the second bulges 22 is matched with the inclined plane of the end part with the isosceles triangle cross section on the first bulges 12;
the two U-shaped magnetic cores 2 are symmetrically distributed on two sides of the center pillar magnetic core 1 in the width direction, the openings of the U-shaped magnetic cores 2 face the center pillar magnetic core 1, and an included angle between the inclined edge of the isosceles triangle end part extending along the end part of the center pillar magnetic core 1 and the inclined edge of the trapezoid extending along the end part of the U-shaped magnetic core 2 is 5 degrees; the width of the U-shaped opening of the U-shaped magnetic core 2 is larger than the length of the center pillar magnetic core 1;
the air gap medium 3 is arranged between the inclined edge of the isosceles triangle end of the center pillar magnetic core 1 and the inclined edge of the trapezoid end of the U-shaped magnetic core 2.
To sum up, the utility model provides a pair of RUI magnetic element, through be equipped with the first arch that the cross sectional shape is isosceles triangle on the both ends face of center pillar magnetic core, be equipped with the perpendicular to at the both ends of U type magnetic core the second arch of the second square body length direction of U type magnetic core, the cross sectional shape of second arch is trapezoidal, the cross sectional shape that sets up on the second arch is the inclined plane of trapezoidal tip with the cross sectional shape on the first arch is the inclined plane of isosceles triangle's tip looks adaptation, thereby make the magnetic resistance on the magnetic line of force that the magnetic circuit length is shorter grow, make the magnetic resistance on the magnetic line of force that the magnetic circuit length is longer diminish, thereby make the magnetic resistance difference between the magnetic line of force that the magnetic circuit length is shorter and the magnetic line of force that the magnetic circuit length is longer reduce by a wide margin, the distribution is more even, and the electromagnetic; when the included angle between the inclined edge of the isosceles triangle end part extending out of the end part of the center pillar magnetic core and the inclined edge of the trapezoid extending out of the end part of the U-shaped magnetic core ranges from 0.1 degree to 15 degrees, magnetic force lines with different distributions between the U-shaped magnetic core and the center pillar magnetic core of the magnetic elements with different sizes are more uniform; the two U-shaped magnetic cores clamp the center pillar magnetic core between the two U-shaped magnetic cores to form a magnetic element whole body, so that the magnetic element is convenient to assemble.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (5)
1. An RUI magnetic element, comprising a center pillar magnetic core, two U-shaped magnetic cores and an air gap medium;
the center pillar magnetic core comprises a first square body and first bulges, the first bulges extend outwards from two end faces of the first square body, and the cross section of each first bulge along the length direction of the first square body is in an isosceles triangle shape;
the U-shaped magnetic core comprises a second square body and second bulges, the second bulges extend from two end parts of the second square body along the length direction vertical to the second square body, the section shape of the second bulges along the length direction of the second square body is trapezoidal, and the inclined plane of the end part with the trapezoidal section shape on the second bulges is matched with the inclined plane of the end part with the isosceles triangle section shape on the first bulges;
the two U-shaped magnetic cores are symmetrically distributed on two sides of the center pillar magnetic core in the width direction, and the opening of each U-shaped magnetic core faces the center pillar magnetic core;
the air gap medium is arranged between the bevel edge of the end part of the isosceles triangle of the center pillar magnetic core and the bevel edge of the trapezoidal end part of the U-shaped magnetic core.
2. The RUI magnetic component of claim 1, wherein an angle between a hypotenuse of the isosceles triangle end extending along the end of the king post core and a hypotenuse of the trapezoid extending along the end of the U-shaped core ranges from 0.1 degrees to 15 degrees.
3. The RUI magnetic element of claim 1, wherein the first square body of the king post core divides the king post core along a center line in a width direction, an air gap is provided between the divided king post cores, and an air gap medium is provided between the air gaps of the king post cores.
4. The RUI magnetic component of claim 1, wherein the air gap dielectric is a PET dielectric.
5. The RUI magnetic element of claim 1, wherein the width of the U-shaped opening of the U-shaped core is greater than the length of the king post core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535236.XU CN210443397U (en) | 2019-09-16 | 2019-09-16 | RUI magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535236.XU CN210443397U (en) | 2019-09-16 | 2019-09-16 | RUI magnetic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443397U true CN210443397U (en) | 2020-05-01 |
Family
ID=70410781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921535236.XU Active CN210443397U (en) | 2019-09-16 | 2019-09-16 | RUI magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443397U (en) |
-
2019
- 2019-09-16 CN CN201921535236.XU patent/CN210443397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017136997A1 (en) | Stack-type, planar, three-phase open transformer core | |
| WO2017129073A1 (en) | Dry-type transformer having foldable three-dimensional double-opening iron core | |
| WO2021083229A1 (en) | Iron core, iron core reactor and method | |
| CN210443397U (en) | RUI magnetic element | |
| US20220140679A1 (en) | Rotor assembly and alternating-pole motor | |
| WO2017129072A1 (en) | Foldable three-dimensional double-opening iron core | |
| US20060103496A1 (en) | Electric component having a variable air gap effect | |
| CN204614613U (en) | A kind of magnetic composition element | |
| CN110428959B (en) | Winding interphase insulation structure adopting bent plate and assembly method thereof | |
| CN104064338A (en) | Coupling inductor | |
| CN210245197U (en) | DUI magnetic element | |
| CN110994838A (en) | Rotor assembly and alternating-pole motor | |
| CN203456233U (en) | Magnetic core piece | |
| CN203456234U (en) | Magnetic core | |
| CN212365707U (en) | Low temperature rise power ferrite core | |
| CN210722690U (en) | DUT magnetic element | |
| CN209375264U (en) | Combined stator core | |
| US4035591A (en) | Electroacoustic transducers | |
| US20060114095A1 (en) | Electric component and its manufacturing material | |
| CN218730226U (en) | High-efficient radiating integral type inductor structure | |
| CN101447314A (en) | Amorphous double-coil single-core device with noise reduction function of glue coating | |
| CN103426604A (en) | Magnetic core | |
| CN218414237U (en) | Discus structure of iron core reactor | |
| CN220253000U (en) | Silicon steel sheet capable of being positioned in lamination mode | |
| CN210403456U (en) | Magnetic core structure for transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |