CN110600223B - Low magnetic loss alloy magnetic ring - Google Patents
Low magnetic loss alloy magnetic ring Download PDFInfo
- Publication number
- CN110600223B CN110600223B CN201910906321.0A CN201910906321A CN110600223B CN 110600223 B CN110600223 B CN 110600223B CN 201910906321 A CN201910906321 A CN 201910906321A CN 110600223 B CN110600223 B CN 110600223B
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- Prior art keywords
- magnetic ring
- winding
- fixed
- ring
- clamping groove
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- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 16
- 239000000956 alloy Substances 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 61
- 230000000452 restraining effect Effects 0.000 abstract 2
- 230000001629 suppression Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F17/062—Toroidal core with turns of coil around it
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/288—Shielding
- H01F27/2885—Shielding with shields or electrodes
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Regulation Of General Use Transformers (AREA)
Abstract
The invention discloses a low-magnetic-loss alloy magnetic ring which comprises a winding magnetic ring, wherein a center hole is formed in the middle of the winding magnetic ring, a plurality of turns of winding conducting wires are wound on the surface of the winding magnetic ring, a first fixing clamping groove is formed in the outer surface of the winding magnetic ring, a first fixing baffle matched with the first fixing clamping groove is arranged in the first fixing clamping groove, a reserved block is arranged on the inner surface of the winding magnetic ring, a second fixing clamping groove is formed in the reserved block, a second fixing baffle matched with the second fixing clamping groove is arranged in the center hole in the second fixing clamping groove, and a shielding outer cover is arranged on the surface of the winding magnetic ring. A low magnetic loss alloy magnetic ring, carry out the subregion with the winding magnetic ring through fixed stop for the magnetic ring is according to restraining high frequency noise or restraining low frequency interference and selecting winding different part, the shielding dustcoat can protect inside winding magnetic ring, can reduce magnetic loss moreover.
Description
Technical Field
The invention relates to the field of alloy magnetic rings, in particular to a low-magnetic-loss alloy magnetic ring.
Background
The magnetic ring is a common anti-interference element in an electronic circuit, has a good effect of inhibiting high-frequency noise, is generally made of ferrite materials, has different impedance characteristics under different frequencies, generally has small impedance under low frequency, when the signal frequency is increased, the impedance presented by the magnetic ring is sharply increased, the signal frequency is higher, the signal is easier to radiate, and common signal wires are not provided with shielding layers, so the signal wires become good antennas, receive various disordered high-frequency signals in the surrounding environment, the signals are superposed on originally transmitted signals, even the originally transmitted useful signals can be changed, so the normal useful signals can well pass through under the effect of the magnetic ring, the passing of high-frequency interference signals can be well inhibited, and the cost is low. However, the existing magnetic ring usually suppresses high-frequency noise and low-frequency interference through two magnetic rings with different turns, which is troublesome and wastes manufacturing materials, and the magnetic loss of the magnetic ring is serious in the using process, thereby affecting the interference suppression effect.
Disclosure of Invention
The invention mainly aims to provide a low-magnetic-loss alloy magnetic ring which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the low-magnetic-loss alloy magnetic ring comprises a winding magnetic ring, wherein a center hole is formed in the middle of the winding magnetic ring, a plurality of turns of winding conducting wires are wound on the surface of the winding magnetic ring, a first fixing clamping groove is formed in the outer surface of the winding magnetic ring, a first fixing baffle matched with the first fixing clamping groove is arranged in the first fixing clamping groove, a reserved block is arranged on the inner surface of the winding magnetic ring, a second fixing clamping groove is formed in the reserved block, a second fixing baffle matched with the second fixing clamping groove is arranged in the center hole in the second fixing clamping groove, a shielding outer cover is arranged on the surface of the winding magnetic ring, and a fixing bottom plate is fixedly arranged at the bottom end of the winding magnetic ring on the shielding outer cover through bolts.
Preferably, the shielding outer cover comprises a preformed groove, a fixed outer ring, a connecting plate and a connecting hole.
Preferably, the shielding outer cover is provided with a fixed outer ring, a preformed groove is formed in the fixed outer ring, and the surface of the connecting plate is provided with a connecting hole.
Preferably, the position of the preformed groove corresponds to that of the first fixed baffle, and the connecting plate is fixed with the fixed bottom plate through bolts and connecting holes.
Preferably, the number of the first fixed baffle plates is three, the first fixed baffle plates are uniformly distributed on the outer surface of the winding magnetic ring, the second fixed baffle plates are provided with three support legs, and the support legs of the second fixed baffle plates are uniformly distributed on the inner surface of the winding magnetic ring.
Preferably, a fixing hole is formed in the fixing bottom plate, a fixing bolt and a binding post are installed in the fixing hole, coil wire-outgoing ends are arranged at two ends of the wound conducting wire, and the coil wire-outgoing ends are respectively connected with the binding post.
Preferably, the winding magnetic ring is positioned inside the shielding outer cover, and the outer surface of the shielding outer cover is coated with an insulating layer.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the fixed baffle is arranged, the winding magnetic ring is partitioned by the fixed baffle, so that the magnetic ring selects different winding parts according to the suppression of high-frequency noise or low-frequency interference, and is connected into winding wires with different turns, the shielding outer cover can protect the winding magnetic ring inside, the damage during installation is avoided, and the magnetic loss can be reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a low magnetic loss alloy magnet ring of the present invention;
FIG. 2 is a front view of the low magnetic loss alloy magnet ring of the present invention;
fig. 3 is a schematic structural view of the shield enclosure of the present invention.
Description of reference numerals:
1. fixing the bolt; 2. fixing the bottom plate; 3. a first fixed baffle; 4. winding a magnetic ring; 5. a coil outlet end; 6. winding a lead; 7. a shielding enclosure; 701. reserving a groove; 702. fixing the outer ring; 703. a connecting plate; 704. connecting holes; 8. a central bore; 9. a second fixed baffle; 10. a first fixed slot; 11. a second fixed clamping groove; 12. a binding post; 13. a fixing hole; 14. and reserving the block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the invention discloses a low magnetic loss alloy magnetic ring, which comprises a winding magnetic ring 4, a central hole 8 is formed in the middle of the winding magnetic ring 4, a plurality of turns of winding wires 6 are wound on the surface of the winding magnetic ring 4, a first fixing clamping groove 10 is formed in the outer surface of the winding magnetic ring 4, a first fixing baffle 3 matched with the first fixing clamping groove 10 is installed inside the first fixing clamping groove 10, a reserved block 14 is arranged on the inner surface of the winding magnetic ring 4, a second fixing clamping groove 11 is formed in the reserved block 14, a second fixing baffle 9 matched with the second fixing clamping groove 11 is installed in the central hole 8 inside the second fixing clamping groove 11, a shielding outer cover 7 is installed on the surface of the winding magnetic ring 4, and a fixing bottom plate 2 is fixedly installed at the bottom end of the winding magnetic ring 4 on the shielding outer cover 7 through bolts;
the shielding outer cover 7 comprises a reserved groove 701, a fixed outer ring 702, a connecting plate 703 and a connecting hole 704; the shielding outer cover 7 is provided with a fixed outer ring 702, a reserved groove 701 is formed in the fixed outer ring 702, and a connecting hole 704 is formed in the surface of the connecting plate 703; the position of the preformed groove 701 corresponds to that of the first fixed baffle 3, and the connecting plate 703 is fixed with the fixed bottom plate 2 through a bolt and a connecting hole 704; the number of the first fixed baffles 3 is three, the first fixed baffles 3 are uniformly distributed on the outer surface of the winding magnetic ring 4, the second fixed baffle 9 is provided with three support legs, and the support legs of the second fixed baffle 9 are uniformly distributed on the inner surface of the winding magnetic ring 4; a fixing hole 13 is formed in the fixing bottom plate 2, a fixing bolt 1 and a binding post 12 are installed in the fixing hole 13, coil outlet ends 5 are arranged at two ends of the wound lead 6, and the coil outlet ends 5 are respectively connected with the binding post 12; the winding magnetic ring 4 is positioned inside the shielding outer cover 7, and the outer surface of the shielding outer cover 7 is coated with an insulating layer.
It should be noted that, the present invention is a low magnetic loss alloy magnetic ring, the first fixed baffle 3 is installed in the first fixed slot 10 of the outer surface of the winding magnetic ring 4, the second fixed baffle 9 is installed in the second fixed slot 11 of the winding magnetic ring 4, because the first fixed baffle 3 is uniformly distributed on the winding magnetic ring 4, and the second fixed baffle 9 equally divides the central hole 8 of the winding magnetic ring 4 into three areas, when winding several turns of winding wires 6 on the surface of the winding magnetic ring 4 in different areas, and ensuring the turns of the winding wires 6 in each area are different, as the number of turns is more, the interference suppression effect on the lower frequency is better, and the noise suppression effect on the higher frequency is weaker, conversely, the number of turns is less, the interference suppression effect on the lower frequency is worse, and the noise suppression effect on the higher frequency is better, when the interference of the high frequency noise is required to be suppressed, the coil wire-out end 5 of the winding wire 6 with less turns is connected with the binding post 12, when low-frequency interference needs to be inhibited, the coil wire-out end 5 of the winding wire 6 with more turns is connected with the binding post 12, the conditions of inhibiting high-frequency noise and low-frequency interference can be achieved without independently installing a magnetic ring, then the magnetic ring is clamped in the preformed groove 701 of the shielding outer cover 7, the winding magnetic ring 4 is positioned in the fixed outer ring 702 at the moment, the connecting hole 704 on the connecting plate 703 is fixed with the fixed bottom plate 2 through a bolt, the fixed hole 13 of the fixed bottom plate 2 is fixed with equipment through the fixing bolt 1, the shielding outer cover can protect the magnetic ring from being damaged in the installation process, meanwhile, the magnetic loss can be avoided, and the magnetic ring can be used normally after being installed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A low magnetic loss alloy magnetic ring is characterized in that: comprises a winding magnetic ring (4), the middle of the winding magnetic ring (4) is provided with a central hole (8), a plurality of turns of winding leads (6) are wound on the surface of the winding magnetic ring (4), a first fixed clamping groove (10) is arranged on the outer surface of the winding magnetic ring (4), a first fixed baffle (3) matched with the first fixed clamping groove (10) is arranged in the first fixed clamping groove (10), the inner surface of the winding magnetic ring (4) is provided with a reserved block (14), the reserved block (14) is provided with a second fixed clamping groove (11), a second fixed baffle (9) matched with the second fixed clamping groove (11) is arranged in the central hole (8) in the second fixed clamping groove (11), a shielding outer cover (7) is arranged on the surface of the winding magnetic ring (4), and a fixed bottom plate (2) is fixedly arranged at the bottom end of the winding magnetic ring (4) on the shielding outer cover (7) through bolts;
the shielding outer cover (7) comprises a reserved groove (701), a fixed outer ring (702), a connecting plate (703) and a connecting hole (704);
a fixed outer ring (702) is arranged on the shielding outer cover (7), a preformed groove (701) is formed in the fixed outer ring (702), and a connecting hole (704) is formed in the surface of the connecting plate (703);
the position of the preformed groove (701) corresponds to that of the first fixing baffle (3), and the connecting plate (703) is fixed with the fixing bottom plate (2) through bolts and connecting holes (704).
2. The low magnetic loss alloy magnet ring of claim 1, wherein: the number of the first fixed baffles (3) is three, the first fixed baffles (3) are uniformly distributed on the outer surface of the winding magnetic ring (4), the second fixed baffle (9) is provided with three support legs, and the support legs of the second fixed baffle (9) are uniformly distributed on the inner surface of the winding magnetic ring (4).
3. The low magnetic loss alloy magnet ring of claim 1, wherein: fixing hole (13) have been seted up to PMKD's (2) inside, install fixing bolt (1) and terminal (12) in fixing hole (13), the both ends of winding wire (6) have coil leading-out terminal (5), coil leading-out terminal (5) are connected with terminal (12) respectively.
4. The low magnetic loss alloy magnet ring of claim 1, wherein: the winding magnetic ring (4) is positioned in the shielding outer cover (7), and the outer surface of the shielding outer cover (7) is coated with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906321.0A CN110600223B (en) | 2019-09-24 | 2019-09-24 | Low magnetic loss alloy magnetic ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906321.0A CN110600223B (en) | 2019-09-24 | 2019-09-24 | Low magnetic loss alloy magnetic ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600223A CN110600223A (en) | 2019-12-20 |
| CN110600223B true CN110600223B (en) | 2021-06-01 |
Family
ID=68863195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910906321.0A Active CN110600223B (en) | 2019-09-24 | 2019-09-24 | Low magnetic loss alloy magnetic ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110600223B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152606A (en) * | 1987-10-14 | 1989-06-15 | Toudai Musen Kk | Toroidal coil |
| CN107452467A (en) * | 2016-06-01 | 2017-12-08 | 沃思电子埃索斯有限责任两合公司 | For the mounting kit of choke coil, and choke coil |
| CN207834054U (en) * | 2017-12-28 | 2018-09-07 | 苏州隆亿电子科技有限公司 | A kind of combined type common mode inductance |
| CN208061767U (en) * | 2018-03-19 | 2018-11-06 | 田村（中国）企业管理有限公司 | Coil component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200826123A (en) * | 2006-12-01 | 2008-06-16 | Delta Electronics Inc | Noise filter and manufacturing method thereof |
-
2019
- 2019-09-24 CN CN201910906321.0A patent/CN110600223B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152606A (en) * | 1987-10-14 | 1989-06-15 | Toudai Musen Kk | Toroidal coil |
| CN107452467A (en) * | 2016-06-01 | 2017-12-08 | 沃思电子埃索斯有限责任两合公司 | For the mounting kit of choke coil, and choke coil |
| CN207834054U (en) * | 2017-12-28 | 2018-09-07 | 苏州隆亿电子科技有限公司 | A kind of combined type common mode inductance |
| CN208061767U (en) * | 2018-03-19 | 2018-11-06 | 田村（中国）企业管理有限公司 | Coil component |
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| Publication number | Publication date |
|---|---|
| CN110600223A (en) | 2019-12-20 |
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