CN103531342A - Medium-and high-power high-frequency current transformer applied to module power supply - Google Patents
Medium-and high-power high-frequency current transformer applied to module power supply Download PDFInfo
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- CN103531342A CN103531342A CN201210231390.4A CN201210231390A CN103531342A CN 103531342 A CN103531342 A CN 103531342A CN 201210231390 A CN201210231390 A CN 201210231390A CN 103531342 A CN103531342 A CN 103531342A
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Abstract
The invention provides a medium-and high-power high-frequency current transformer applied to a module power supply. The current transformer comprises an intensifying buckle (1), a conductive sheet (2), an E-shaped magnetic core (3), a coil (4) and a framework (5). The medium-and high-power high-frequency current transformer is simple in structure and can achieve mass mechanical production, meet the requirements of automatic production technology and achieve the purpose of production cost reduction.
Description
Technical field
The present invention relates to a kind of be applied to modular power source in powerful HF current transformer.
Background technology
HF current transformer is widely used in Switching Power Supply, is generally used for the detection of Switching Power Supply pulse current, as control, drives or guard signal.Conventional pulse current instrument transformer adopts toroidal core, and signal coil is wound on magnet ring, and the current signal being sampled, through magnet ring, will obtain the pulsed current signal needing on signal winding.But annular magnet ring is as implementation method more complicated, when signal coil reaches hundreds of circle, need artificial coiling, cost is very high, and during assembling, it is wrong that magnet ring signal coil is prone to phase place weldering, coil is subject in limited time at modular power source volume, and coil wire diameter is thinner, is easy to fracture, can not carry out automation SMT and automation plug-in unit technique, thereby improve production process manufacturing cost.
Summary of the invention
The object of the present invention is to provide a kind of be applied to modular power source in powerful HF current transformer.
Object of the present invention realizes by following technical measures:
A powerful HF current transformer in modular power source, comprises and adds link closely (1), guide card (2), E shape magnetic core (3), coil (4) and skeleton (5);
The cuboid that described skeleton (5) is hollow, inside has a passage, both sides have catch (4-1), described coil (4) is positioned at the outer surface of skeleton (5), between two catch (4-1), described catch (4-1) side of being annular, centre has through hole, this through hole is connected with the inner passage of skeleton (5), and the bottom of described catch (4-1) has pin (6);
Described guide card (2) is the U-shaped sheet of an opening, can cover on the outer surface of coil (4);
The quantity of described E shape magnetic core (3) is two, be positioned at the two ends of skeleton (5), this E shape magnetic core (3) comprises, insert (3-1) and be positioned at the fixture (3-2) of insert (3-1) both sides, described insert (3-1) is by the through hole in the middle of catch (4-1), insert the inner passage of skeleton (5), described fixture (3-2) is positioned at the both sides of catch (4-1), and the fixture (3-2) of E shape magnetic core (3) that is positioned at the two ends of skeleton (5) can contact;
Described add link closely (1) is the annular frame of an end opening, and this adds the outer circumferential side of (1) two the E shape magnetic core (3) that links closely.
Described add link closely (1) is copper button, aluminium button, or high-temperature insulation adhesive tape.
The material of described E shape magnetic core (3) is ferrite, ferro-aluminum boron or silicon steel sheet.
HF current transformer guide card (2) and main circuit are in series, and during by electric current I 1, magnetic core will produce alternating flux, generation current I2 on coil, coil has certain resistance, according to Ohm's law, to produce certain voltage at coil two ends, from pin, export.And this voltage is exactly the pulse voltage that we need, be mainly used to as controlling in Switching Power Supply, detect, drive or guard signal, thereby realize measuring ability.
Beneficial effect of the present invention:
Can realize mechanization production in enormous quantities, and can meet automatic production process requirement, thereby reach the object reducing production costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is decomposing schematic representation of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1-2, a kind of be applied to modular power source in powerful HF current transformer, comprise and add link closely (1), guide card (2), E shape magnetic core (3), coil (4) and skeleton (5);
The cuboid that described skeleton (5) is hollow, inside has a passage, both sides have catch (4-1), described coil (4) is positioned at the outer surface of skeleton (5), between two catch (4-1), described catch (4-1) side of being annular, centre has through hole, this through hole is connected with the inner passage of skeleton (5), and the bottom of described catch (4-1) has pin (6);
Described guide card (2) is the U-shaped sheet of an opening, can cover on the outer surface of coil (4);
The quantity of described E shape magnetic core (3) is two, be positioned at the two ends of skeleton (5), this E shape magnetic core (3) comprises, insert (3-1) and be positioned at the fixture (3-2) of insert (3-1) both sides, described insert (3-1) is by the through hole in the middle of catch (4-1), insert the inner passage of skeleton (5), described fixture (3-2) is positioned at the both sides of catch (4-1), and the fixture (3-2) of E shape magnetic core (3) that is positioned at the two ends of skeleton (5) can contact;
Described add link closely (1) is the annular frame of an end opening, and this adds the outer circumferential side of (1) two the E shape magnetic core (3) that links closely.
Described add link closely (1) is copper button, aluminium button, or high-temperature insulation adhesive tape.
The material of described E shape magnetic core (3) is ferrite, ferro-aluminum boron or silicon steel sheet.
HF current transformer guide card (2) and main circuit are in series, and during by electric current I 1, magnetic core will produce alternating flux, generation current I2 on coil, coil has certain resistance, according to Ohm's law, to produce certain voltage at coil two ends, from pin, export.And this voltage is exactly the pulse voltage that we need, be mainly used to as controlling in Switching Power Supply, detect, drive or guard signal, thereby realize measuring ability.
Certainly; the above is only one embodiment of the present invention; should be understood that those skilled in the art; under the premise without departing from the principles of the invention; can also make some improvements and modifications, within these improvements and modifications all belong to the protection range of the claims in the present invention.
Claims (3)
1. be applied to modular power source in a powerful HF current transformer, comprise and add link closely (1), guide card (2), E shape magnetic core (3), coil (4) and skeleton (5);
The cuboid that described skeleton (5) is hollow, inside has a passage, both sides have catch (4-1), described coil (4) is positioned at the outer surface of skeleton (5), between two catch (4-1), described catch (4-1) side of being annular, centre has through hole, this through hole is connected with the inner passage of skeleton (5), and the bottom of described catch (4-1) has pin (6);
Described guide card (2) is the U-shaped sheet of an opening, can cover on the outer surface of coil (4);
The quantity of described E shape magnetic core (3) is two, be positioned at the two ends of skeleton (5), this E shape magnetic core (3) comprises, insert (3-1) and be positioned at the fixture (3-2) of insert (3-1) both sides, described insert (3-1) is by the through hole in the middle of catch (4-1), insert the inner passage of skeleton (5), described fixture (3-2) is positioned at the both sides of catch (4-1), and the fixture (3-2) of E shape magnetic core (3) that is positioned at the two ends of skeleton (5) can contact;
Described add link closely (1) is the annular frame of an end opening, and this adds the outer circumferential side of (1) two the E shape magnetic core (3) that links closely.
As claimed in claim 1 a kind of be applied to modular power source in powerful HF current transformer, described in add link closely (1) for copper button, aluminium button, or high-temperature insulation adhesive tape.
As claimed in claim 1 a kind of be applied to modular power source in powerful HF current transformer, the material of described E shape magnetic core (3) is ferrite, ferro-aluminum boron or silicon steel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231390.4A CN103531342A (en) | 2012-07-05 | 2012-07-05 | Medium-and high-power high-frequency current transformer applied to module power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210231390.4A CN103531342A (en) | 2012-07-05 | 2012-07-05 | Medium-and high-power high-frequency current transformer applied to module power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103531342A true CN103531342A (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210231390.4A Pending CN103531342A (en) | 2012-07-05 | 2012-07-05 | Medium-and high-power high-frequency current transformer applied to module power supply |
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| CN (1) | CN103531342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036936A (en) * | 2014-06-03 | 2014-09-10 | 深圳振华富电子有限公司 | Current transformer |
| CN104795226A (en) * | 2015-04-30 | 2015-07-22 | 广州金升阳科技有限公司 | Framework, inner insulation cover, transformer and manufacturing method of transformer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05258965A (en) * | 1992-03-16 | 1993-10-08 | Toshiba Corp | Iron core assembly verification method of transformer transported in disassebly |
| CN202678089U (en) * | 2012-07-03 | 2013-01-16 | 宁波经济技术开发区恒率电源科技有限公司 | Medium/high-power high-frequency current transformer applied to modular power supply |
-
2012
- 2012-07-05 CN CN201210231390.4A patent/CN103531342A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05258965A (en) * | 1992-03-16 | 1993-10-08 | Toshiba Corp | Iron core assembly verification method of transformer transported in disassebly |
| CN202678089U (en) * | 2012-07-03 | 2013-01-16 | 宁波经济技术开发区恒率电源科技有限公司 | Medium/high-power high-frequency current transformer applied to modular power supply |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104036936A (en) * | 2014-06-03 | 2014-09-10 | 深圳振华富电子有限公司 | Current transformer |
| CN104795226A (en) * | 2015-04-30 | 2015-07-22 | 广州金升阳科技有限公司 | Framework, inner insulation cover, transformer and manufacturing method of transformer |
| CN104795226B (en) * | 2015-04-30 | 2017-03-01 | 广州金升阳科技有限公司 | The manufacture method of transformator |
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Application publication date: 20140122 |