CN203721435U - Pot-shaped magnetic core - Google Patents
Pot-shaped magnetic core Download PDFInfo
- Publication number
- CN203721435U CN203721435U CN201320881987.3U CN201320881987U CN203721435U CN 203721435 U CN203721435 U CN 203721435U CN 201320881987 U CN201320881987 U CN 201320881987U CN 203721435 U CN203721435 U CN 203721435U
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- magnetic core
- core body
- stem
- pot
- ferrite
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Abstract
The utility model provides a pot-shaped magnetic core. The pot-shaped magnetic core comprises a magnetic core body and a stem, wherein the stem is fixed in the middle of the magnetic core body and integrally formed with the magnetic core body. A magnetic core groove is formed between the magnetic core body and the stem. Gap grooves for wires to penetrate out are formed in the two sides of the magnetic core body, and lead grooves are formed in the bottom surfaces of the portions, between the gap grooves and the stem, of the magnetic core body. According to the pot-shaped magnetic core, the design that the lead grooves are reserved in the bottom of the portion, in the magnetic core groove, of the magnetic core body, so that the wire arrangement problem during production of filters is effectively solved, close cooperation between the magnetic core and a framework is guaranteed, the wires can be guided out safely, and the requirements of large-scale industrial production are met.
Description
Technical field
The utility model relates to magnetic core and manufactures field, especially a kind of tank shape magnetic core.
Background technology
Ferrite Material (ferrite) is made up of the several oxide using ferric ion as main cation composition, and presents ferrimagnetism or anti-ferromagnetic material.
Ferrite Material is that one has ferromagnetic metal oxide.With regard to electrical characteristics, ferritic resistivity is more much bigger than metal, alloy magnetic material, and also has higher dielectric property.Ferritic magnetic property has higher magnetic permeability while also showing high frequency.Thereby ferrite has become the broad-spectrum nonmetal magnetic material in high frequency light current field.Because the magnetic energy storing in ferrite unit volume is lower, full close also lower (conventionally only have pure iron 1/3～1/5) of the magnetization, thereby limited it in the low frequency forceful electric power of the magnetic energy density of having relatively high expectations and the application in high-power field.
Ferrite Material is a kind of nonmetal magnetic material, and it is for example, to be formed by di-iron trioxide and one or more other metal oxides (: nickel oxide, zinc oxide, manganese oxide, magnesium oxide, barium monoxide, strontium oxide strontia etc.) preparation sintering.Its relative permeability can be up to several thousand, and resistivity is 1011 times of metal, and eddy current loss is little, is suitable for making high-frequency electromagnetic device.Ferrite has Hard Magnetic, soft magnetism, square magnetic, gyromagnet and pressure magnetic five classes.Be once called as ferrite or magnetic ferrites, its production process and outer appearnce be pottery seemingly, thereby also referred to as ferrite.Ferrite is the composite oxides of iron and other one or more suitable metallic element, and character belongs to semiconductor, and usually used as magnetic medium application, between ferrite magnetic material and metal or alloy magnetic material, most important difference is conductivity.Conventionally the former resistivity is 102～108 Ω cm, and the latter only has 10-6～10-4 Ω cm.Wherein, to mainly contain MnZn system, NiZn system, MgZn be three major types to soft magnetic ferrite; If press application characteristic parametric classification, can be divided into power ferrite material, high frequency ferrite material, high resistivity material, very high frequency(VHF) soft magnetic ferrite (hexaplanar high frequency ferrite), high frequency high power ferrite material etc.
MnZn based ferrite has high initial permeability, higher saturation induction density, there is low loss at radio intermediate frequency or low-frequency range, it is the best Ferrite Material of the following band limits magnetic property of 1 megahertz, conventional MnZn based ferrite initial permeability μ i=400-20000, saturation induction density Bs=400-530mT.The resistivity of MgZn series ferrite material is higher, is mainly used in the deflecting coil magnetic core of making picture tube or display tube.
NiZn based ferrite frequency of utilization 100kHz～100MHz, the highest 300MHz that uses, this class permeability is lower, and resistivity is very high, is generally 105～107 Ω cm.Therefore, high-frequency vortex loss is little, is the excellent material of the above high band magnetic property of 1MHz, the magnetic permeability μ i=5-1500 of conventional NiZn based material, saturation induction density Bs=250-400mT.
In recent years, along with the application of Ferrite Material is more and more extensive, Ferrite Material has been applied to the manufacture of various inductors, transformer, filter and choke, and as hyundai electronics message areas such as computer and external equipment, business automation equipment, digital communication and artificial traffic equipment, the Internet, household electrical appliance, electromagnetic compatibility equipment, green illumination device, industrial automations, with automobile, aviation, military field, this has just had higher and has had more requirement targetedly the characteristic of Ferrite Material.
In tradition tank shape magnetic core groove, be flat, there is no wire lead slot design, and in filter production process; between coil frame and magnetic core, fit dimension is very crucial; tank shape magnetic core is in the time coordinating with skeleton, and groove depth is excessive, coordinates not tight with skeleton; groove depth is too small; affect drawing of wire, especially larger in wire diameter, or line number is more; and wire be need add protective sleeve time, this contradiction is more outstanding.For guaranteeing to coordinate tightly between magnetic core and skeleton, not because the undersized lead-in wire that makes is subject to compressing damage, need make further improvements core structure again.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of tank shape magnetic core.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of tank shape magnetic core, comprise magnetic core body and stem stem, described stem stem is fixed on magnetic core body middle part, and with this body by integral forming of magnetic core, it between magnetic core body and stem stem, is magnetic core groove, magnetic core body both sides have the clearance channel for passing wire, on the bottom surface of the magnetic core body between this clearance channel and stem stem, are provided with wire lead slot.
Preferably, above-mentioned tank shape magnetic core, the edge of described magnetic core body is chamfer design.
The utility model structure has following beneficial effect:
Above-mentioned tank shape magnetic core; adopt the design at the reserved wire lead slot in magnetic core groove inner magnetic core body bottom, efficiently solve institute in filter production and run into wire Placement Problems, both ensured to coordinate closely between magnetic core and skeleton; can allow again wire draw safely, be applicable to the needs that large-scale industrial is produced.
Brief description of the drawings
Fig. 1 is the structural representation of tank shape magnetic core described in the utility model.
In figure: 1-magnetic core body 2-stem stem 3-clearance channel 4-wire lead slot
Embodiment
For further illustrating the utility model, now coordinate accompanying drawing to be described in detail:
As shown in Figure 1, a kind of tank shape magnetic core, comprise magnetic core body 1 and stem stem 2, the edge of described magnetic core body 1 is chamfer design, described stem stem 2 is fixed on magnetic core body 1 middle part, and one-body molded with magnetic core body 1, between magnetic core body 1 and stem stem 2, is magnetic core groove, magnetic core body 1 both sides have the clearance channel 3 for passing wire, on the bottom surface of the magnetic core body 1 between this clearance channel 3 and stem stem 2, are provided with wire lead slot 4.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (2)
1. a tank shape magnetic core, it is characterized in that: comprise magnetic core body and stem stem, described stem stem is fixed on magnetic core body middle part, and with this body by integral forming of magnetic core, it between magnetic core body and stem stem, is magnetic core groove, magnetic core body both sides have the clearance channel for passing wire, on the bottom surface of the magnetic core body between this clearance channel and stem stem, are provided with wire lead slot.
2. tank shape magnetic core according to claim 1, is characterized in that: the edge of described magnetic core body is chamfer design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881987.3U CN203721435U (en) | 2013-12-25 | 2013-12-25 | Pot-shaped magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881987.3U CN203721435U (en) | 2013-12-25 | 2013-12-25 | Pot-shaped magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721435U true CN203721435U (en) | 2014-07-16 |
Family
ID=51160573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881987.3U Expired - Fee Related CN203721435U (en) | 2013-12-25 | 2013-12-25 | Pot-shaped magnetic core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721435U (en) |
-
2013
- 2013-12-25 CN CN201320881987.3U patent/CN203721435U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20151225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |