CN203895216U - Powder metallurgy soft magnetic tank type inductor - Google Patents

Powder metallurgy soft magnetic tank type inductor Download PDF

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Publication number
CN203895216U
CN203895216U CN201420338195.6U CN201420338195U CN203895216U CN 203895216 U CN203895216 U CN 203895216U CN 201420338195 U CN201420338195 U CN 201420338195U CN 203895216 U CN203895216 U CN 203895216U
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CN
China
Prior art keywords
magnetic tank
inductor
powder metallurgy
soft magnetic
coil
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CN201420338195.6U
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Chinese (zh)
Inventor
蔡建良
黄志平
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YIYANG XINJIYUAN POWDER METALLURGY CO Ltd
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YIYANG XINJIYUAN POWDER METALLURGY CO Ltd
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Priority to CN201420338195.6U priority Critical patent/CN203895216U/en
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Abstract

The utility model discloses a powder metallurgy soft magnetic tank type inductor applied to a medium-high frequency switching power supply. The powder metallurgy soft magnetic tank type inductor comprises a magnetic tank, and the magnetic tank is provided with a wire outlet. The powder metallurgy soft magnetic tank type inductor is characterized in that at least one coil is installed in a circular-ring-shaped space in the magnetic tank, and each coil is formed by winding more than two wires. The coils of the inductor are formed by winding multiple wires, the problem of electromagnetic compatibility (EMC) of a high-power electrical appliance loop is solved, a good shielding effect on electromagnetic radiation of the inductor is achieved, the coils formed by multiple strands of wires in a medium-high frequency circuit weaken the skin effect of the wires, and the power loss and operation noise of the inductor are greatly lowered.

Description

Powder metallurgy soft magnetic tank formula inductor
Technical field
The utility model relates to a kind of inductor, and a kind of powder metallurgy soft magnetic tank formula inductor specifically particularly relates to the powder metallurgy soft magnetic tank formula inductor of the above medium-high frequency of a kind of 10Khz of being applied to.
Background technology
In the production of powder metallurgy iron powder core inductor, prior art is to coil on the ferrocart core of annular.Be mainly used in medium-high frequency high power switching power supply (being mainly used in active power filtering).At present, its coil generally adopts solid conductor or Copper Foil coiling.During application, due to the kelvin effect of wire, when operating frequency reaches 1KHz, electric current, reach tens peaces when above, the temperature rise of inductance will be increased, power consumption strengthens, and noise also can be very large, likely can make inductance work.
Summary of the invention
The purpose of this utility model is to provide a kind of powder metallurgy soft magnetic tank formula inductor that is applied to medium-high frequency Switching Power Supply.
The utility model is to adopt following technical scheme to realize its goal of the invention, a powder metallurgy soft magnetic tank formula inductor, it comprises magnetic tank body, magnetic tank body is provided with line outlet, 1 coil is at least installed in the annular space in magnetic tank body, and described coil forms with upper conductor coiling by least 2.
The radial section of wire described in the utility model is shaped as circle or rectangle.
Owing to adopting technique scheme, the utility model has been realized goal of the invention preferably, its coil adopts multiple conducting wires coiling, solved the emc issue (EMC) in high-power electric appliance loop, the electromagnetic radiation of inductance is had to good shielding action, in medium-high frequency circuit, with the coil that multiply thin wire is made, weaken the kelvin effect of wire, greatly reduced power loss and the operation noise of inductance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model magnetic tank body;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, a kind of powder metallurgy soft magnetic tank formula inductor, it comprises magnetic tank body 5, and magnetic tank body 5 is provided with line outlet 6, and 1 coil 8 is at least installed in the annular space 1 in magnetic tank body 5, and described coil 8 forms with upper conductor coiling by least 2.
The radial section of wire described in the utility model is shaped as circle or rectangle.
As shown in Figure 2, it is comprised of described magnetic tank body 5 base plate, barrier shield 4, magnetic core 3, and barrier shield 4 is arranged on base plate for opening annulus, and magnetic core 3 is adhesive in base plate center, between barrier shield 4 and magnetic core 3, form annular space 1, the opening part of barrier shield 4 is line outlet 6.
When the utility model is made inductor, as made switching frequency in active filter, be 20KHz, electric current is 150A, and when inductance is the inductor of 110 μ H, selecting wire diameter is that 120, the wire of 0.8 ㎜ is first bundled into pencil, then makes coil 8 on the skeleton of coil.
Coil 8 is put into the annular space 1 of magnetic tank body 5, its binding post is placed in line outlet 6, again by another magnetic tank body Shang Xia 5 correspondence be harmonious and cover this whole coil 8, then on the string of 2 li, hole, a bolt 7 is tightened to one by two magnetic tanks 5, between whole coil 8 and magnetic tank 5, fill the colloid with insulating property (properties), this has just made an inductance element again.
The utility model is because coil adopts multiple conducting wires coiling, solved the emc issue (EMC) in high-power electric appliance loop, the electromagnetic radiation of inductance is had to good shielding action, in medium-high frequency circuit, with the coil that multiply thin wire is made, weaken the kelvin effect of wire, greatly reduced power loss and the operation noise of inductance.Through check, its waveform is standard sine wave, temperature rise≤45 °, noise≤65db.Inductor that the utility model is made is less than the inductor volume of existing technology (silicon steel sheet), power consumption is little, noise is low, has more advance.
Embodiment 2:
As shown in Figure 3, the present embodiment coil 8 is 2, and to select wire diameter be 2 rectangular conductors of 2 ㎜ * 3 ㎜ and add division board around making between 8, two coils of coil on the skeleton of coil, binding post is placed in 2 line outlets 6, and 2 line outlets 6 are that 180 degree are oppositely arranged.Be two frequency 50Hz, electric current 15A, the inductor of inductance 420 μ H.
Remaining with embodiment 1.
Embodiment 3:
As shown in Figure 4, the present embodiment coil 8 is 2, and its binding post is placed in 1 line outlet 6.
Remaining with embodiment 1,2.
The utility model also can be used for the making of transformer.

Claims (2)

1. a powder metallurgy soft magnetic tank formula inductor, it comprises magnetic tank body, and magnetic tank body is provided with line outlet, it is characterized in that, in the annular space in magnetic tank body, 1 coil is at least installed, and described coil forms with upper conductor coiling by least 2.
2. powder metallurgy soft magnetic tank formula inductor according to claim 1, is characterized in that the radial section of described wire is shaped as circle or rectangle.
CN201420338195.6U 2014-06-24 2014-06-24 Powder metallurgy soft magnetic tank type inductor Active CN203895216U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420338195.6U CN203895216U (en) 2014-06-24 2014-06-24 Powder metallurgy soft magnetic tank type inductor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420338195.6U CN203895216U (en) 2014-06-24 2014-06-24 Powder metallurgy soft magnetic tank type inductor

Publications (1)

Publication Number Publication Date
CN203895216U true CN203895216U (en) 2014-10-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420338195.6U Active CN203895216U (en) 2014-06-24 2014-06-24 Powder metallurgy soft magnetic tank type inductor

Country Status (1)

Country Link
CN (1) CN203895216U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109545506A (en) * 2018-11-08 2019-03-29 泉州台商投资区五季网络有限公司 A kind of soft magnetism pot type height conversion inductor for bevel gear powder metallurgy machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109545506A (en) * 2018-11-08 2019-03-29 泉州台商投资区五季网络有限公司 A kind of soft magnetism pot type height conversion inductor for bevel gear powder metallurgy machine

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