CN204695928U - E shaped iron core and E-type magnetic core - Google Patents
E shaped iron core and E-type magnetic core Download PDFInfo
- Publication number
- CN204695928U CN204695928U CN201520342075.8U CN201520342075U CN204695928U CN 204695928 U CN204695928 U CN 204695928U CN 201520342075 U CN201520342075 U CN 201520342075U CN 204695928 U CN204695928 U CN 204695928U
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- iron core
- shaped iron
- magnetic core
- type magnetic
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- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/02—Cores, Yokes, or armatures made from sheets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The utility model relates to one winding around on iron core, in the accumulation by electromagnetic energy, the E shaped iron core and E-type magnetic core applied in the electric equipment of larger impedance are revealed to the sharply change list of interchange or direct current, more specifically, a kind of E shaped iron core is provided and utilizes its E-type magnetic core, make stacked with the aid of a majority and depressed part floor height (a) of E shaped iron core that is that form E-type magnetic core is formed by best ratio with the length of protuberance protrusion height (b), thus raw material losses and entire area can be had with changing not to increase output and the efficiency of E-type magnetic core.
Description
Technical field
The utility model relates to a kind of E shaped iron core, stacked with the aid of a majority and form E-type magnetic core, for making by means of the accumulation of electromagnetic energy exchanging or the electric equipment of the larger impedance of sharply change performance of direct current.
Background technology
The utility model relates to one winding around on iron core, in the accumulation by electromagnetic energy, the E shaped iron core and E-type magnetic core applied in the electric equipment of larger impedance are revealed to the sharply change list of interchange or direct current, more specifically, relate to a kind of E shaped iron core and E-type magnetic core, make stacked with the aid of a majority and depressed part floor height (a) of E shaped iron core that is that form E-type magnetic core is formed by best ratio with the length of protuberance protrusion height (b), thus output and the efficiency realization maximization of E-type magnetic core can be made.
As the reactor of electric component, be by means of the accumulation of electromagnetic energy to exchange or the sharply change list of direct current or electric current reveals the electric equipment of larger impedance, be mainly used in winding around person on iron core.As the general formation of reactor in the past, make silicon steel plate (iron core) stacked, manufacture E, I type magnetic core or block magnetic cores, the winding around by means of insulating paper or insulating tape, is inserted in E-type magnetic core or block magnetic cores, interior lateral surface and magnetic core can be insulated, insulation board is inserted in above and below, attachment I type magnetic core or block magnetic cores, utilize support to be fixed, thus manufacture reactor.
Namely, described reactor is wound with primary coil at the central portion of magnetic core (magnetic core), is formed and returns to the closed circuit of central magnetic circuit for the magnetic flux (magnetic flux) produced in primary coil via side magnetic circuit by central magnetic circuit.
The magnetic core of described reactor is used for magnetic loop, when the magnetic line of force temporally changes, the magnetic core be made up of the thin silicon steel plate of stratification (hereinafter referred to as " iron core ") is provided, magnetic core is according to respective volume, after the I type magnetic core that skeleton is formed with many pieces of iron cores and E-type magnetic core are assembled mutually, provide to form the magnetic line of force of set direct of travel and winding around and inserting.
Described magnetic core has with E shaped iron core (iron core) structure mutually relative and alternately laminated with I shaped iron core, this is because as electric power transformer, in order to eliminate iron loss (core loss), space is minimized, in order to improve vibration or mechanicalness engagement and carry out stratification.
But, along with the improvement of characteristics of components, and the appearance of the element that can switch at a high speed, the reactor material correlation technique exploitation of reply high frequency is carried out in high gear, in this state, as ordinary silicon steel plate, because iron loss is excessive, be difficult to the situation of the reactor designing and producing reply high frequency.
Namely, there is silicon-coating on the ultra-thin sections a part of silicon steel plate thickness being made into below 0.1mm and make magnetic core, and make the situation of commercialization, but when being made into ultrathin type, due to lower thickness, the stacked number of times of silicon steel plate increases, and the bonding of silicon steel plate, the process number blocking into required steel plate etc. increase, and productivity ratio significantly declines.
On the other hand, the magnetic core for resonance transformer (resonant transformer) or resonance choke etc. at random generates space to regulate inductance (inductance).Do not use the described interstitial stratification iron core made with transformer silicon steel plate, and use the core material of such as ferrite (ferrite).Described core material is made into E type, combines opposite each other.In order to form space, the E-type magnetic core with the identical length of side is made to keep predetermined distance and adhere in opposite directions.Alternatively, corresponding to the length in the space that will obtain, the central portion of E-type magnetic core is made shorter, it is adhered in opposite directions, form space.
The I type magnetic core of described magnetic core and E-type magnetic core, utilize diel stamping-out I shaped iron core and E shaped iron core and method of producing on thin silicon steel plectane, according to the shape of mould, produce the iron core of IE type magnetic core, EE type magnetic core, UT type magnetic core, the each iron core produced is stacked respectively with established methodology, and other magnetic core corresponding with each magnetic core waits methods combining to weld.
Described EE type magnetic core particularly in described magnetic core, use normalized EE shaped iron core, main specifications has 57 according to the length in length direction face, 66,76.2,85.8,90,96,105mm etc., the depressed part of E shaped iron core inside all makes identical with the floor height of protuberance and protrusion height by the ratio of about 1:2, the number of turn and the turn ratio that are wound in the coil of magnetic core or iron core are identical all the time, the winding space of coil is restricted, due to this problem, there is the problem that cannot make full use of the performance of magnetic core.
Prior art document
Patent documentation
No. 10-0543644th, (patent documentation 0001) registered patent.
Utility model content
Technical task
Therefore, the utility model provides a kind of E shaped iron core and utilizes its E-type magnetic core, when making E shaped iron core, the depressed part floor height that core interior is formed and protuberance protrusion height are made into optimum length, the space of the depressed part for coil winding is widened maximum, thus does not increase while raw material losses and entire area variation can be had output and the efficiency of E-type magnetic core.
Technical scheme
Be intended to the E shaped iron core of the present utility model solving as mentioned above the problem of E shaped iron core in the past, protuberance is formed at a central portion of length direction and both ends, depressed part is formed between central portion and both ends protuberance, it is characterized in that, the floor height (a) of described depressed part is formed with 3.75 5.25mm.
In addition, it is characterized in that, the protrusion height (b) of described protuberance is formed with 9.25 10.75 mm.
Utility model effect
E shaped iron core of the present utility model and E-type magnetic core have following effect.
E shaped iron core of the present utility model reduces the floor height of depressed part to greatest extent, the protrusion height of protuberance is maximized, make the maximize of the depressed part for coil winding, even if thus change monnolithic case size, the number of turn of coil is increased, also can obtain the improvement efficiency of about 20 30%, while less stacked E shaped iron core, improve the turn ratio, there is the capacity that can reduce iron core, reduce synergy and the practical value of the overall size of E-type magnetic core.
Accompanying drawing explanation
Fig. 1 is the plane graph of E shaped iron core of the present utility model;
Fig. 2 is the profile of the E-type magnetic core combining a pair E shaped iron core;
Fig. 3 is the plane graph of the another embodiment illustrating E shaped iron core of the present utility model;
Fig. 4 is the profile of the another E-type magnetic core combining E shaped iron core of the present utility model;
Wherein: 10,20: E shaped iron core; 11,21: depressed part; 12,22: protuberance; 12a: groove
22a: protruding.
Embodiment
The utility model relates to one winding around on iron core, in the accumulation by electromagnetic energy, the E shaped iron core and E-type magnetic core applied in the electric equipment of larger impedance are revealed to the sharply change list of interchange or direct current, more specifically, a kind of E shaped iron core is provided and utilizes its E-type magnetic core, make stacked with the aid of a majority and depressed part floor height (a) of E shaped iron core that is that form E-type magnetic core is formed by best ratio with the length of protuberance protrusion height (b), thus raw material losses and entire area can be had with changing not to increase output and the efficiency of E-type magnetic core.
With reference to the accompanying drawings, the preferred embodiment of E shaped iron core of the present utility model and E-type magnetic core is described in detail.
Fig. 1 is the plane graph of E shaped iron core of the present utility model, Fig. 2 is the profile of the E-type magnetic core that a pair E shaped iron core connects, Fig. 3 is the plane graph of the another embodiment illustrating E shaped iron core of the present utility model, and Fig. 4 is the profile of the another E-type magnetic core combining E shaped iron core of the present utility model.
First, as shown in Figures 1 to 4, E shaped iron core (10) of the present utility model is formed with protuberance (12) at the one side both ends of length direction and central portion, between the protuberance (12) and central portion protuberance (12) at described both ends, be formed with the depressed part (11) of given width, be made into letter " E " font on the whole.
That is, in order to make the shape of E shaped iron core (10), at least 2 depressed parts (11) and 3 protuberances (12) are formed.
And, most stacked described E shaped iron core (10), upper and lower or left and right direction merges a pair (10,20) of stacked most E shaped iron core (10), described protuberance (12) is adjacent to mutually, forms E-type magnetic core.
With regard to described E shaped iron core (10), its size current and thickness implementation specificationization are also making and are selling, the length direction (A) that the length of E shaped iron core (10) of the present utility model is longer is formed with 85.8mm length, and connect short direction (B) length of the E-type magnetic core formed of a pair E shaped iron core (10) is formed with 20mm.
Now, the floor height (a) of the described depressed part (11) of E shaped iron core (10) of the present utility model is formed with 3.75 5.25mm.
In addition, described protuberance (12) protrusion height (b) of E shaped iron core (10) of the present utility model is formed with 9.25 10.75mm.
Depressed part floor height (a) of major part use E shaped iron core and the protrusion height (b) of protuberance press normalized goods that both fixed-ratios make, E shaped iron core (10) of the present utility model widens the space of depressed part further, the profile size of magnetic core is identical with specification goods, but can than the coiling more of specification goods, there is the supereminent effect of efficiency, the stacked number of E shaped iron core (10) can be reduced, there is the synergy that can reduce product area.
Following table 1 is E shaped iron core (10) more of the present utility model and the floor height (a) of depressed part (11) of normalized E shaped iron core and the comparison sheet of the protrusion height (b) of protuberance (12).
[table 1]
As shown in Table 1, the floor height (a) of the depressed part of normalized shaped iron core of E is in the past made to reduce about about 30% than specification goods, the protrusion height of protuberance is increased to about 20%, thus make the maximize of depressed part, the number of turn of the coil being wound in depressed part is increased, thus obtains the practical value and the synergy that make the maximizing efficiency of magnetic core.
Namely, the monnolithic case size of overall E-type magnetic core is constant, reduce depressed part (11) floor height (a) of iron core (10), the protrusion height (b) of further raising protuberance (12), make the magnetic core coiling more than specification goods, thus use a small amount of E shaped iron core (10) just can improve the efficiency of E-type magnetic core further.
Therefore, E shaped iron core (10) of the present utility model is not even if change the overall size of magnetic core, also can be improved the efficiency of magnetic core about 20 30%, while less stacked E shaped iron core (10), improve the turn ratio, there is the capacity that can reduce iron core (10), the synergy reducing E-type magnetic core size and practical value.
In addition, as shown in Figure 3 to Figure 4, form a pair E shaped iron core (10 of magnetic core, 20) connected by described protuberance (12) and combine fixing, now, E shaped iron core (10 described in described a pair, 20) in, an E shaped iron core (10) both ends protuberance (12), be formed with the groove (12a) that both sides inwall is formed along oblique line, at the both ends protuberance (22) of all the other E shaped iron cores (20), be formed with the projection (22a) corresponding with described groove (12a), protruding (22a) interference fit is in described groove (12a), thus a pair E shaped iron core (10, 20) combine, form E-type magnetic core.
Namely, the both sides inwall of described groove (12a) is formed with the oblique line being similar to the inclination both sides of parallelogram, link the projection (22a) of parallelogram shape at this, thus have and make a pair iron core (10,20) be not easy the effect be separated from each other.
In the above description, propose and describe various embodiment of the present utility model, but not the utility model must be defined in this, as long as the utility model person of ordinary skill in the field just can easy understand, in the scope not exceeding technological thought of the present utility model, multiple displacement, distortion and change can be carried out.
Claims (4)
1. an E shaped iron core, is formed with protuberance at length direction central portion and both ends, is formed with depressed part, it is characterized in that between the protuberance at central portion and both ends,
The floor height (a) of described depressed part is formed with 3.75 5.25mm.
2. an E shaped iron core, is formed with protuberance at length direction central portion and both ends, is formed with depressed part, it is characterized in that between the protuberance at central portion and both ends,
The protrusion height (b) of described protuberance is formed with 9.25 10.75 mm.
3. an E-type magnetic core, the E shaped iron core of most stacked described claim 1 or 2, makes most a pair stacked E shaped iron core relative, described protuberance is connected mutually.
4. E-type magnetic core according to claim 3, is characterized in that,
In E shaped iron core described in a pair, at the both ends protuberance of an E shaped iron core, be formed with the groove that both sides inwall is formed along oblique line, at the both ends protuberance of all the other E shaped iron cores, be formed with the projection corresponding with described groove.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2020140009687U KR20160002420U (en) | 2014-12-31 | 2014-12-31 | E type ironcore and E type core |
KR20-2014-0009687 | 2014-12-31 |
Publications (1)
Publication Number | Publication Date |
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CN204695928U true CN204695928U (en) | 2015-10-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201520342075.8U Active CN204695928U (en) | 2014-12-31 | 2015-05-26 | E shaped iron core and E-type magnetic core |
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KR (1) | KR20160002420U (en) |
CN (1) | CN204695928U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106971834A (en) * | 2016-01-13 | 2017-07-21 | 波音公司 | Multiple-pulse calutron including linear core configurations |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102458183B1 (en) * | 2020-08-31 | 2022-10-24 | 이강복 | Bobbin, core structure for ultra-thin resonant transformer |
KR102458188B1 (en) * | 2020-08-31 | 2022-10-24 | 이강복 | Coil of hybrid structure core to prevent gap loss |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100543644B1 (en) | 2003-08-21 | 2006-01-20 | 디피씨(주) | Core for transformer and method to manufacture that |
-
2014
- 2014-12-31 KR KR2020140009687U patent/KR20160002420U/en not_active Application Discontinuation
-
2015
- 2015-05-26 CN CN201520342075.8U patent/CN204695928U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106971834A (en) * | 2016-01-13 | 2017-07-21 | 波音公司 | Multiple-pulse calutron including linear core configurations |
Also Published As
Publication number | Publication date |
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KR20160002420U (en) | 2016-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: An Shengrong Inventor after: Lin Baiyun Inventor before: An Shengrong Inventor before: Lin Yunbai |
|
COR | Change of bibliographic data |