CN102612309A - High-frequency electromagnetic wave suppression device - Google Patents
High-frequency electromagnetic wave suppression device Download PDFInfo
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- CN102612309A CN102612309A CN2012101063583A CN201210106358A CN102612309A CN 102612309 A CN102612309 A CN 102612309A CN 2012101063583 A CN2012101063583 A CN 2012101063583A CN 201210106358 A CN201210106358 A CN 201210106358A CN 102612309 A CN102612309 A CN 102612309A
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- magnet ring
- ring group
- circuit board
- rectifier transformer
- metal cap
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Abstract
The embodiment of the invention discloses a high-frequency electromagnetic wave suppression device which comprises a magnetic ring group. The magnetic ring group comprises a plurality of magnetic rings, wherein the number of the magnetic rings is determined according to the size of an electric dust remover and the capacity of a rectifier transformer, the magnetic rings are made from a magnetic material, and the resistance of the magnetic material is increased along with the increase of the frequency of electromagnetic waves. According to the device disclosed by the invention, the consumption of useful electric energy is greatly reduced while high-frequency electromagnetic waves generated by flashovers are suppressed, and the problems in the prior art are solved.
Description
Technical field
The present invention relates to electric cleaner running technology field, relate in particular to a kind of frequency electromagnetic waves restraining device.
Background technology
Flashover refers under action of high voltage, the disruptive discharge that gas or liquid medium take place along insulating surface.After the discharge, interelectrode voltage quickly falls to zero or approaches zero.
Electric cleaner is the indispensable corollary equipment in thermal power plant.During the electric cleaner operation, owing to the reasons such as variation of working condition, the dense solubility of dust, the flashover phenomenon can take place in its electric field, thereby produces the very big higher-order of oscillation electromagnetic wave of amplitude, and frequency range is very wide, is about tens KHz to tens MHz.These frequency electromagnetic waves not only can produce radio interference; Influence control device, also totally unfavorable to the operation of rectifier transformer, might cause the insulation breakdown of transformer coil like the surge voltage of frequency electromagnetic waves; Or cause high voltage silicon stack to puncture, cause rectifier transformer to damage.Therefore, the rectifier transformer of electric cleaner need be installed the device of absorption, inhibition frequency electromagnetic waves.
At present, the device of domestic general inhibition frequency electromagnetic waves is a damping resistance, promptly is installed in a powerful resistance of the high-voltage output end of rectifier transformer.Practice shows that damping resistance can be that thermal energy consumption is fallen with the power conversion of high-frequency current, thereby reaches the purpose that suppresses frequency electromagnetic waves.But, because its power is very big, even when not having frequency electromagnetic waves to produce, also can consume a large amount of useful electric energies.
Summary of the invention
In view of this, the invention provides a kind of frequency electromagnetic waves restraining device, to solve the big problem of useful electric energy consumption that prior art exists.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of frequency electromagnetic waves restraining device is applied to electric cleaner, comprises the magnet ring group, and said magnet ring group comprises a plurality of magnet rings; The number of said magnet ring is confirmed according to the capacity of the rectifier transformer of the big or small or said electric cleaner of said electric cleaner; Said magnet ring is the magnetic material that resistance sharply increases with the increase of wave frequency.
Preferably, said magnetic material comprises ferrite, conducting metal, ferrite and metallization material.
Preferably, said magnet ring group comprises: a plurality of magnet rings that passed the center by lead successively; The two ends of said lead are as two terminals of said magnet ring group.
Preferably, said magnet ring group comprises: be fixed on the circuit board, and the magnet ring of a plurality of axial axial encapsulation that realizes through the wiring on the said circuit board being connected in series; Be circumscribed with two leads on the said circuit board, as two terminals of said magnet ring group.
Preferably, said magnet ring group comprises: be fixed on the circuit board, and the magnet ring of a plurality of pasters encapsulation that realize through the wiring on the said circuit board being connected in series; Be circumscribed with two leads on the said circuit board, as two terminals of said magnet ring group.
Preferably, said device also comprises metal cap, is connected with rectifier transformer.
Preferably, the number of said metal cap is 2, is connected with two terminals of said magnet ring group respectively.
Preferably, said metal cap is provided with nut, and said metal cap is connected with said rectifier transformer through said nut.
Preferably, said metal cap is connected in the inside of the high-voltage output end or the said rectifier transformer of said rectifier transformer through said nut.
Preferably, said device also comprises insulating cover; Said magnet ring group and metal cap place in the said insulating cover.
Can find out that from above-mentioned technical scheme the core component of frequency electromagnetic waves restraining device according to the invention is a magnet ring, magnet ring adopts magnetic material to be made.And magnetic material has following characteristic: during low frequency, the resistance of magnetic material is very little, is merely several ohm; When frequency increases, its resistance can increase sharply tens times even hundred times.Based on the above-mentioned characteristic of magnetic material, the present invention is when low frequency, and resistance is very little, and the power of consumption is also very little; When frequency electromagnetic waves produced, its resistance can be increased to very big, makes the electromagnetic energy of frequency electromagnetic waves convert heat energy into, was dispersed in the air with the form of heat.Therefore, with respect to prior art, the present invention has significantly reduced the consumption of useful electric energy in the frequency electromagnetic waves that suppresses the flashover generation, has solved the problem that prior art exists.
Description of drawings
The structural representation of the frequency electromagnetic waves restraining device that Fig. 1 provides for the embodiment of the invention;
Another structural representation of the frequency electromagnetic waves restraining device that Fig. 2 provides for the embodiment of the invention;
The another structural representation of the frequency electromagnetic waves restraining device that Fig. 3 provides for the embodiment of the invention;
The another structural representation of the frequency electromagnetic waves restraining device that Fig. 4 provides for the embodiment of the invention;
The another structural representation of the frequency electromagnetic waves restraining device that Fig. 5 provides for the embodiment of the invention;
The another structural representation of the frequency electromagnetic waves restraining device that Fig. 6 provides for the embodiment of the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention provides a kind of frequency electromagnetic waves restraining device, to solve the big problem of useful electric energy consumption that prior art exists.
The frequency electromagnetic waves restraining device that the embodiment of the invention provides is applied to electric cleaner, comprises the magnet ring group, and this magnet ring group comprises a plurality of magnet rings; The number of said magnet ring is confirmed according to the capacity of the rectifier transformer of the size of electric cleaner and electric cleaner; Said magnet ring is made by the magnetic material that resistance sharply increases with the increase of wave frequency.
The embodiment of the invention can be according to practical application, the number of choose reasonable magnet ring.Concrete, can be according to the number of definite magnet rings such as capacity of the size of electric cleaner, rectifier transformer.Be that electric cleaner is bigger, the capacity of rectifier transformer is big more, the number of magnet ring is many more, suppresses effect to reach good frequency electromagnetic waves.
Above-mentioned magnetic material has following characteristic: resistance sharply increases with the increase of wave frequency.That is, during low frequency, the resistance of magnetic material is very little, is merely several ohm; When frequency increases, its resistance can increase sharply tens times even hundred times.
Based on the above-mentioned characteristic of magnetic material, as core component, possess following function: when low frequency, resistance is very little with the magnet ring that is made by magnetic material for the embodiment of the invention, and the power of consumption is also very little; When frequency electromagnetic waves produced, its resistance can be increased to very big, makes the electromagnetic energy of frequency electromagnetic waves convert heat energy into, was dispersed in the air with the form of heat.Therefore, with respect to prior art, the embodiment of the invention has significantly reduced the consumption of useful electric energy in the frequency electromagnetic waves that suppresses the flashover generation, has solved the problem that prior art exists.
Concrete, above-mentioned magnetic material can be ferrite, metallization material, ferrite or conducting metal, but is not limited only to this.
Further, the composition mode of above-mentioned magnet ring group, the connected mode of promptly forming a plurality of magnet rings of magnet ring group has multiple.
Fig. 1 shows a kind of composition mode---the punching of above-mentioned magnet ring group: lead 101 is passed the center of each magnet ring 102 successively, form the magnet ring group; The two ends of lead 101 are as two terminals of magnet ring group.
The device of this form is applicable to large-scale electric cleaner and jumbo rectifier transformer.
Fig. 2 shows the another kind of above-mentioned magnet ring group and forms mode---and axially axial encapsulates through type: the magnet ring 202 of a plurality of axial axial encapsulation is fixed on the circuit board 203, forms the magnet ring group; Magnet ring 202 is realized being connected in series through the wiring on the circuit board 203; External two leads 201 on circuit board 203 are as two terminals of magnet ring group.
The device of this form is applicable to the rectifier transformer of low capacity.
Fig. 3 shows another composition mode of above-mentioned magnet ring group---paster encapsulation through type: the magnet ring 302 of a plurality of paster encapsulation is fixed on the circuit board 303, forms the magnet ring group; Magnet ring 303 is realized being connected in series through the wiring on the circuit board 303; External two leads 301 on circuit board 303 are as two terminals of magnet ring group.
Shown in Fig. 4～6, in other embodiments of the invention, the described device of above-mentioned all embodiment also comprises metal cap 4 and insulating cover 5.Wherein, 101 among Fig. 4 is lead (being two terminals of magnet ring group), and 102 is magnet ring; Among Fig. 5 201 is lead (being two terminals of magnet ring group), and 202 is magnet ring, and 203 is circuit board; Among Fig. 6 301 is lead (being two terminals of magnet ring group), and 302 is magnet ring, and 303 is circuit board.
The number of metal cap 4 is 2, is connected with two terminals of magnet ring group respectively; Magnet ring group and metal cap 4 place in the insulating cover 5.
More than each figure be merely the sketch map of the embodiment of the invention, do not limit the outward appearances such as shape, size of number and each parts of magnet ring.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a frequency electromagnetic waves restraining device is applied to electric cleaner, it is characterized in that, comprises the magnet ring group, and said magnet ring group comprises a plurality of magnet rings; The number of said magnet ring is confirmed according to the capacity of the rectifier transformer of the big or small or said electric cleaner of said electric cleaner; Said magnet ring is the magnetic material that resistance sharply increases with the increase of wave frequency.
2. device according to claim 1 is characterized in that said magnetic material comprises ferrite, conducting metal, ferrite and metallization material.
3. device according to claim 2 is characterized in that, said magnet ring group comprises: a plurality of magnet rings that passed the center by lead successively; The two ends of said lead are as two terminals of said magnet ring group.
4. device according to claim 2 is characterized in that, said magnet ring group comprises: be fixed on the circuit board, and the magnet ring of a plurality of axial axial encapsulation that realizes through the wiring on the said circuit board being connected in series; Be circumscribed with two leads on the said circuit board, as two terminals of said magnet ring group.
5. device according to claim 2 is characterized in that, said magnet ring group comprises: be fixed on the circuit board, and the magnet ring of a plurality of pasters encapsulation that realize through the wiring on the said circuit board being connected in series; Be circumscribed with two leads on the said circuit board, as two terminals of said magnet ring group.
6. according to each described device of claim 3～5, it is characterized in that said device also comprises metal cap, be connected with rectifier transformer.
7. device according to claim 6 is characterized in that, the number of said metal cap is 2, is connected with two terminals of said magnet ring group respectively.
8. device according to claim 7 is characterized in that said metal cap is provided with nut, and said metal cap is connected with said rectifier transformer through said nut.
9. device according to claim 8 is characterized in that, said metal cap is connected in the inside of the high-voltage output end or the said rectifier transformer of said rectifier transformer through said nut.
10. device according to claim 6 is characterized in that said device also comprises insulating cover; Said magnet ring group and metal cap place in the said insulating cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210106358.3A CN102612309B (en) | 2012-04-11 | 2012-04-11 | High-frequency electromagnetic wave suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210106358.3A CN102612309B (en) | 2012-04-11 | 2012-04-11 | High-frequency electromagnetic wave suppression device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102612309A true CN102612309A (en) | 2012-07-25 |
| CN102612309B CN102612309B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210106358.3A Active CN102612309B (en) | 2012-04-11 | 2012-04-11 | High-frequency electromagnetic wave suppression device |
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| CN (1) | CN102612309B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494042A (en) * | 2012-10-04 | 2019-03-19 | 株式会社东芝 | Magnetic piece and the display for using magnetic piece |
| CN113239530A (en) * | 2021-04-28 | 2021-08-10 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199493A (en) * | 1996-08-26 | 1998-11-18 | 株式会社东金 | Composite magnetic tube, method for mfg. same, and electromagnetic interference suppressing tube |
| CN2419792Y (en) * | 2000-05-22 | 2001-02-14 | 谢恒德 | Multiple annualar hole style electromagnet interference inhibitor |
| CN1366799A (en) * | 2000-04-17 | 2002-08-28 | 株式会社东金 | High-frequency current supressor capable of being readily attached to cable or like and earphone system using same |
| CN201742467U (en) * | 2010-07-07 | 2011-02-09 | 东莞市铭普实业有限公司 | Local side voice splitter |
| CN201947189U (en) * | 2011-01-24 | 2011-08-24 | 宝山钢铁股份有限公司 | Rectifier transformer device capable of avoiding high-frequency resonance |
-
2012
- 2012-04-11 CN CN201210106358.3A patent/CN102612309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199493A (en) * | 1996-08-26 | 1998-11-18 | 株式会社东金 | Composite magnetic tube, method for mfg. same, and electromagnetic interference suppressing tube |
| CN1366799A (en) * | 2000-04-17 | 2002-08-28 | 株式会社东金 | High-frequency current supressor capable of being readily attached to cable or like and earphone system using same |
| CN2419792Y (en) * | 2000-05-22 | 2001-02-14 | 谢恒德 | Multiple annualar hole style electromagnet interference inhibitor |
| CN201742467U (en) * | 2010-07-07 | 2011-02-09 | 东莞市铭普实业有限公司 | Local side voice splitter |
| CN201947189U (en) * | 2011-01-24 | 2011-08-24 | 宝山钢铁股份有限公司 | Rectifier transformer device capable of avoiding high-frequency resonance |
Non-Patent Citations (1)
| Title |
|---|
| 李与核: "《Protel DXP 2004 SP2实用教程》", 31 January 2012, article "《Protel DXP 2004 SP2实用教程》", pages: 222-224 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494042A (en) * | 2012-10-04 | 2019-03-19 | 株式会社东芝 | Magnetic piece and the display for using magnetic piece |
| CN109494042B (en) * | 2012-10-04 | 2021-03-12 | 株式会社东芝 | Magnetic sheet and display using the same |
| CN113239530A (en) * | 2021-04-28 | 2021-08-10 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
| CN113239530B (en) * | 2021-04-28 | 2022-06-28 | 浙江威星智能仪表股份有限公司 | Magnetic ring selection method suitable for low-power communication equipment |
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| Publication number | Publication date |
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| CN102612309B (en) | 2015-02-18 |
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