CN206163269U - High -power PFC common mode inductance - Google Patents
High -power PFC common mode inductance Download PDFInfo
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- CN206163269U CN206163269U CN201621266569.3U CN201621266569U CN206163269U CN 206163269 U CN206163269 U CN 206163269U CN 201621266569 U CN201621266569 U CN 201621266569U CN 206163269 U CN206163269 U CN 206163269U
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Abstract
The utility model discloses a high -power PFC common mode inductance, the inductance includes unable adjustment base, unable adjustment base's top fixedly connected with lower fixing ring, lower fixing ring's inside fixedly connected with magnetic core, the magnetic core is formed by iron -based microcrystalline alloy magnetic powder material layer, permalloy magnetic powder material layer and cobalt -based amorphous alloy magnetic powder material layer complex, the one deck coil has been cup jointed in the outside of magnetic core, the top fixedly connected with upper fixed ring of magnetic core, fixedly connected with support between upper fixed ring and the lower fixing ring, be equipped with transparent box on the support, the transparent box intussuseption is filled with the temperature powder that discolours, unable adjustment base's top fixedly connected with fixed block, fixedly connected with left side connecting wire and right connecting wire between the coil, unable adjustment base's bottom fixedly connected with connects the base, the bottom fixedly connected with pin of connecting the base. The utility model discloses a magnetic core is formed by iron -based microcrystalline alloy magnetic powder material layer, permalloy magnetic powder material layer and cobalt -based amorphous alloy magnetic powder material layer complex, has high saturated magnetism sense, high -initial magnetic conductivity and magnetic loss and consumes low advantage, through setting up lower fixing ring, improved the thermal diffusivity and the stability of PFC inductance, reached produce property can be good, advantage that magnetic loss hangs down, the magnetic core has combined the advantage of various materials.
Description
Technical field
The utility model is related to PFC inductive technologies field, specially a kind of high-power PFC common mode inductances.
Background technology
Inductor is the element that electric energy can be converted into magnetic energy and be stored.Inductor is similar to that transformation
Device, but only one of which winding.Inductor has certain inductance, and it only hinders the change of electric current.If inductor is without electricity
In the state of stream passes through, it will attempt to hinder electric current to flow through it during circuit ON；If inductor is in the state for having electric current to pass through
Under, it will attempt to maintain electric current constant when circuit disconnects.Inductor is also known as choke, reactor, dynamic reactor.Inductance can be by
Conducting material wound around magnetic cores are made, typical such as copper cash, also magnetic core can be removed or be replaced with ferrimagnet.Than air
The high core material of magnetic conductivity more closely can constrain in magnetic field around inductance element, thus increase inductance.Inductance has very
It is various, made with outer layer enamel coil encircling ferrite bobbin mostly, and some protection inductance are completely disposed at ferrite coil
It is interior.The core of some inductance elements can be adjusted.It is possible thereby to change inductance size.But existing PFC inductor products poor performance,
Magnetic energy loss is big, affects the use of inductance.
Utility model content
The purpose of this utility model is to provide a kind of high-power PFC common mode inductances, possesses good product performance, magnetic loss low
Advantage, solves existing PFC inductor products poor performance, magnetic energy and the technical problem such as big is lost.
For achieving the above object, the utility model provides following technical scheme：A kind of high-power PFC common mode inductances, it is special
It is that the inductance includes firm banking to levy, and lower retainer ring is fixedly connected with the top of the firm banking, the lower retainer ring
Inside is fixedly connected with magnetic core, and the magnetic core is combined by Fe based Microcrystalline Alloy magnetic powder material layer, permalloy magnetic powder material layer
Form, a layer line circle is socketed with the outside of the magnetic core, retainer ring is fixedly connected with the top of the magnetic core, it is fixed
Support is fixedly connected between ring and lower retainer ring, the support is provided with transparent box, transparent box and is filled with temperature discoloring powder,
Fixed block is fixedly connected with the top of the firm banking, left connecting line and right connecting line is fixedly connected between the coil,
The bottom of the firm banking is fixedly connected with connect base, and the bottom of the connect base is fixedly connected with pin.
Preferably, the quantity of the pin is four, is divided to upper and lower two rows parallel equidistant to arrange, after uplink and downlink pin serial connection
Electrically connect with the left connecting line of coil and the right connecting line of coil respectively.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model by magnetic core be by Fe based Microcrystalline Alloy magnetic powder material layer, permalloy magnetic powder material layer it is compound and
Into, have the advantages that high saturation magnetic strength, high initial magnetoconductivity and magnetic loss are low, by arranging upper and lower retainer ring, improve PFC electric
The thermal diffusivity and stability of sense, has reached the low advantage of good product performance, magnetic loss.Magnetic core combines the advantage of various materials, can
With good suppression common mode noise, EMI harmonic waves are filtered, absorb the spike that Switching Power Supply is produced, it is to avoid surge voltage damages device,
Circuit size is reduced, the stability and reliability of system is improved, while temperature discoloring transparent box is provided with, with the change of magnetic core temperature
Change, the color of box body can also produce respective change, play timely warning function.It is electric so as to effectively solve existing PFC
Sense properties of product are poor, magnetic energy is lost the problem for affecting inductance to use such as big.
Description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is magnetic core A-A sectional views shown in Fig. 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2, a kind of high-power PFC common mode inductances, including PFC inductance body 1 are referred to, PFC inductance body 1 includes solid
Determine base 3, connect magnetic core 2 by arranging firm banking 3, it is ensured that the stability of PFC inductance body 1, the top of firm banking 3
Lower retainer ring 7 is fixedly connected with, the inside of lower retainer ring 7 is fixedly connected with magnetic core 2, and magnetic core 2 is by Fe based Microcrystalline Alloy magnetic
Material layer 21, permalloy magnetic powder material layer 23 are composited, with excellent comprehensive magnetic energy, with high saturation magnetic strength, height
The low advantage of initial permeability and magnetic loss, the outside of magnetic core 2 is socketed with coil 6, has obstruction alternating current by arranging coil 6
The effect for passing through, the top of magnetic core 2 is fixedly connected with retainer ring 8, is fixedly connected between upper retainer ring 8 and lower retainer ring 7
Support 9, by arranging upper retainer ring 8, lower retainer ring 7, support 9, improves the stability of PFC inductance body 1.Upper retainer ring 8
Support 9 is fixedly connected with lower retainer ring 7, the support 9 is provided with transparent box 10, transparent box and is filled with temperature discoloring powder
12, the top of firm banking 3 is fixedly connected with fixed block 13, and the quantity of fixed block 13 is four, is fixedly connected between coil 6
Left connecting line 11 and right connecting line 14, the bottom of firm banking 3 is fixedly connected with connect base 4, the bottom of the connect base 4
Pin 5 is fixedly connected with, the quantity of pin 5 is four, the low advantage of good product performance, magnetic loss has been reached, so as to effectively solve
Determine existing PFC inductor products poor performance, the big problem for affecting inductance to use of magnetic energy loss.
Operation principle：Magnetic core 2 be by Fe based Microcrystalline Alloy magnetic powder material layer 21, permalloy magnetic powder material layer 23 it is compound and
Into with excellent comprehensive magnetic energy.By arranging temperature discoloring device, support color can be varied with temperature, and have fine police
It is shown as using.By arranging upper retainer ring 8, lower retainer ring 7, support 9, the stability of PFC inductance body 1 is improve, solved existing
The problems such as some PFC inductor products poor performances, big magnetic energy loss.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposit between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that a series of process, method, article or equipment including key elements not only will including those
Element, but also including other key elements being not expressly set out, or also include for this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions.By sentence " key element limited including ..., it is not excluded that
Also there is other identical element in the process including the key element, method, article or equipment ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (2)
1. a kind of high-power PFC common mode inductances, is characterized in that the inductance includes firm banking, and the top of the firm banking is consolidated
Surely lower retainer ring is connected with, the inside of the lower retainer ring is fixedly connected with magnetic core, and the magnetic core is by Fe based Microcrystalline Alloy magnetic
Powder material layer, permalloy magnetic powder material layer and cobalt base amorphous alloy magnetic powder material layer are composited, the outer sheath of the magnetic core
A layer line circle is connected to, retainer ring is fixedly connected with the top of the magnetic core, it is fixed between fixed ring and lower retainer ring
Support is connected with, the support is provided with transparent box, transparent box and is filled with temperature discoloring powder, and the top of the firm banking is consolidated
Surely fixed block is connected with, left connecting line and right connecting line is fixedly connected between the coil, the bottom of the firm banking is consolidated
Surely connect base is connected with, the bottom of the connect base is fixedly connected with pin.
2. a kind of high-power PFC common mode inductances according to claim 1, it is characterised in that：The quantity of the pin is four
It is individual, be divided to upper and lower two rows parallel equidistant to arrange, after uplink and downlink pin serial connection respectively with the left connecting line of coil and the right connecting line of coil
Electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266569.3U CN206163269U (en) | 2016-11-24 | 2016-11-24 | High -power PFC common mode inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621266569.3U CN206163269U (en) | 2016-11-24 | 2016-11-24 | High -power PFC common mode inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163269U true CN206163269U (en) | 2017-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621266569.3U Expired - Fee Related CN206163269U (en) | 2016-11-24 | 2016-11-24 | High -power PFC common mode inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600240A (en) * | 2019-09-29 | 2019-12-20 | 济南铂晶电子科技有限公司 | Subminiature mutual inductor, combined mutual inductor and mutual inductor framework |
-
2016
- 2016-11-24 CN CN201621266569.3U patent/CN206163269U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600240A (en) * | 2019-09-29 | 2019-12-20 | 济南铂晶电子科技有限公司 | Subminiature mutual inductor, combined mutual inductor and mutual inductor framework |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20211124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |