CN203850086U - Low-radiation energy-saving type common-mode choke - Google Patents
Low-radiation energy-saving type common-mode choke Download PDFInfo
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- CN203850086U CN203850086U CN201420101834.7U CN201420101834U CN203850086U CN 203850086 U CN203850086 U CN 203850086U CN 201420101834 U CN201420101834 U CN 201420101834U CN 203850086 U CN203850086 U CN 203850086U
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- 238000004804 winding Methods 0.000 claims abstract description 44
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 230000004907 flux Effects 0.000 claims abstract description 8
- 239000000084 colloidal system Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000035699 permeability Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 abstract description 4
- 238000010618 wire wrap Methods 0.000 abstract 3
- 230000002500 effect on skin Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000011157 advanced composite material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 108010059419 NIMA-Interacting Peptidylprolyl Isomerase Proteins 0.000 description 1
- 101150087393 PIN3 gene Proteins 0.000 description 1
- 108010037490 Peptidyl-Prolyl Cis-Trans Isomerase NIMA-Interacting 4 Proteins 0.000 description 1
- 102100026114 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 Human genes 0.000 description 1
- 102100031653 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 4 Human genes 0.000 description 1
- 102000007315 Telomeric Repeat Binding Protein 1 Human genes 0.000 description 1
- 108010033711 Telomeric Repeat Binding Protein 1 Proteins 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000020610 powder formula Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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Abstract
The utility model discloses a low-radiation energy-saving type common-mode choke. The low-radiation energy-saving type common-mode choke comprises a magnetic ring with high initial permeability and high saturation flux density, a first cross-shaped wire wrapping type winding coil and a second cross-shaped wire wrapping type winding coil, wherein the first winding coil and the second winding coil are symmetrically wound on the magnetic ring; and the turn number and the wire diameter of the first winding coil are the same with those of the second winding coil. By using the scheme, the magnetic ring has high initial permeability and high saturation flux density, so that the application frequency of the common-mode choke on a circuit is improved. The first winding coil and the second winding coil are in a cross-shaped wire wrapping mode, so that loss of a high-frequency skin effect is eliminated, the utilization rate of a conductor is improved, the application efficiency of the circuit is also improved, a conduction effect is high, the low-radiation energy-saving type common-mode chock can replace two general common-mode chokes, the consistency of products is ensured, effects of low radiation, energy conservation and low cost can be achieved, and the low-radiation energy-saving type common-mode chock can be widely applied to a variable-frequency air conditioner.
Description
Technical field
The utility model relates to technical field of electronic components, relates in particular to a kind of low radiation energy saving type common mode inductance.
Background technology
In fixed frequency air conditioner field, its common common mode inductance application is more extensive, is mainly because the iron powder formula of common inductance magnet ring is simpler, but applying frequency is narrow, do not reach national radioresistance standard, can not save national iron ore deposit, can not save manufacturing cost, can not promote that the common people consume.
Existing common mode inductance has following shortcoming:
A. applying frequency is narrow;
B. manufacturing cost is high;
C. radioresistance does not reach national radioresistance standard.
Therefore, on market, be badly in need of a kind of Novel common-mode inductor, can reach low radiation, festival energy, effect cheaply, and be widely used in convertible frequency air-conditioner field.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of low radiation energy saving type common mode inductance.
For achieving the above object, the utility model provides a kind of low radiation energy saving type common mode inductance, comprise magnet ring, the first winding coil of cross Wound-rotor type and second winding coil of cross Wound-rotor type of high initial magnetoconductivity and high saturation magnetic flux density, described the first winding coil and the second winding coil are symmetric mode on described magnet ring, and the number of turn and the wire diameter of described the first winding coil and the second winding coil are all identical.
Wherein, described inductance also comprises positioning base, and described magnet ring is fixedly connected with positioning base.
Wherein, described magnet ring and described positioning base adopt colloid to be adhesively fixed.
Wherein, described inductance also comprises guard shield, and described magnet ring is contained in guard shield.
The beneficial effects of the utility model are: compared with prior art, the low radiation energy saving type common mode inductance that the utility model provides, select in design advanced composite material (ACM) as magnetic core, it has relatively high initial permeability and high saturation magnetic flux density, thereby can make the applying frequency of its this common mode inductance on circuit get a promotion.Structurally adopt the design of " ten " word winding mode, thereby eliminate the loss of high frequency kelvin effect, improve the utilance of conductor, the application efficiency in circuit is improved, and conducting effect is better, reduce circuit with this and reduce to a low radiation energy saving type common mode inductance of application from applying two common common mode inductances, and guarantee the consistency of product to reach low radiation, festival energy, effect cheaply, can be widely used in convertible frequency air-conditioner.
Brief description of the drawings
Fig. 1 is the structure chart of low radiation energy saving type common mode inductance of the present utility model;
Fig. 2 is the circuit diagram of low radiation energy saving type common mode inductance of the present utility model;
Fig. 3 is the coiling schematic diagram of cross winding mode of the present utility model.
Main element symbol description is as follows:
10, magnet ring 11, the first winding coil
12, the second winding coil 13, positioning base
14, guard shield
Embodiment
In order more clearly to explain the utility model, below in conjunction with accompanying drawing, the utility model is further described.
Refer to Fig. 1, the low radiation energy saving type common mode inductance that the utility model provides, comprise magnet ring 10, the first winding coil 11 of cross Wound-rotor type and second winding coil 12 of cross Wound-rotor type of high initial magnetoconductivity and high saturation magnetic flux density, the first winding coil 11 and the second winding coil 12 are symmetric mode on magnet ring 10, and the number of turn and the wire diameter of the first winding coil 11 and the second winding coil 12 are all identical.
Compared to the situation of prior art, the low radiation energy saving type common mode inductance that the utility model provides, select in design advanced composite material (ACM) as magnetic core, it has relatively high initial permeability and high saturation magnetic flux density, thereby can make the applying frequency of its this common mode inductance on circuit get a promotion.Structurally adopt the design of " ten " word winding mode, thereby eliminate the loss of high frequency kelvin effect, improve the utilance of conductor, the application efficiency in circuit is improved, and conducting effect is better, reduce circuit with this and reduce to a low radiation energy saving type common mode inductance of application from applying two common common mode inductances, and guarantee the consistency of product to reach low radiation, festival energy, effect cheaply, can be widely used in convertible frequency air-conditioner.
In the present embodiment, above-mentioned inductance also comprises positioning base 13, and magnet ring 10 is fixedly connected with positioning base 13.In typical application, magnet ring 10 adopts colloid to be adhesively fixed with positioning base 13.Be understandable that, this case is not limited to and adopts gluing fixed form, can also be by the mode being spirally connected, or the fixed form of engaging etc., as long as by mode fixing to magnet ring 10 and positioning base 13, all fall into the protection range of this case.
In the present embodiment, above-mentioned inductance also comprises guard shield 14, and the accommodating or part of magnet ring 10 is contained in protection outer 14.Certainly; this case is not limited to shape and the structure of guard shield 14, is also not limited to the material of guard shield 14, as long as adopting guard shield 14 to protect the mode of magnet ring and coil; all belong to simple deformation or conversion to this case, fall into the protection range of this case.
Refer to Fig. 2, in the circuit diagram of the low radiation energy saving type common mode inductance of this case, PIN1 is the first winding coil 11 with the coil between PIN4, and PIN2 is the second winding coil 12 with the coil between PIN3.The number of turn and the wire diameter of the first winding coil 11 and the second winding coil 12 are all identical.The winding mode of the low radiation energy saving type common mode inductance of this case, as shown in Figure 3, adopt cross winding mode: its winding mode be a winding be divided into 2 times all around, each number of turns is consistent, and the number of turns of every layer of often taking second place is consistent, but needs interval 2-3mm distance between each coiling, so that embody 2 windings, be staggered form coiling, between be " ten " word every shape, therefore be called " ten " word winding; Thereby eliminate the loss of high frequency kelvin effect, improve the utilance of conductor, the application efficiency in circuit is improved.
Advantage of the present utility model is:
1) applied widely, meet the operating characteristic of frequency changer circuit wideband 100KHZ;
2) meet frequency changer circuit EMI radiation:
National standard: 30MHz-300MHz 0dB;
Company standard: 30MHz-300MHz-4.2dB;
3) meet frequency changer circuit EMC conduction:
National standard: 150KHz-30MHz 0dB;
Company standard: 150KHz-30MHz-3.3dB;
4) on frequency changer circuit, replace 2 common common mode inductances with 1 low radiation energy saving type common mode inductance.
In addition, because low radiation energy saving type common mode inductance is the one in common mode inductance, it is the inductance component that must use in convertible frequency air-conditioner field, therefore the development course of radiation energy saving type common mode inductance is to be closely related with the development of the converter technique of convertible frequency air-conditioner, and it relates to the progress and development of the upgrading such as frequency conversion, radiation of convertible frequency air-conditioner.At home, the development in low radiation energy saving type common mode inductance field has following several trend in recent years:
1) country is more and more higher to the requirement of household electric appliances radioresistance standard;
2) profit of enterprise is the heel of Achilles of Business survival, and the source that product cost Cheng Liao enterprise controls, has controlled product cost, has improved the competitiveness of enterprise, thereby has greatly promoted produce market rate of consumption;
3) protection of national energy comes from the demand of enterprise to mineral products, and this Project-developing has reduced has saved iron ore energy resources to the demand of ore resources simultaneously.
From finding out with Fig. 1, the low radiation energy saving type common mode inductance of this case is made up of guard shield, magnet ring, winding coil, positioning base etc.: the magnet ring of this product selects advanced composite material (ACM) (it has relatively high initial permeability and saturation flux density) after special debugging (allocating according to the frequency of applying on circuit) sintering, be loaded in guard shield, then use " ten " word winding mode, carry out the coiling of 2 windings, through being assembled to after base, some glue fixedly forms again.
Disclosed is above only several specific embodiment of the present utility model, but the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.
Claims (4)
1. one kind low radiation energy saving type common mode inductance, it is characterized in that, comprise magnet ring, the first winding coil of cross Wound-rotor type and second winding coil of cross Wound-rotor type of high initial magnetoconductivity and high saturation magnetic flux density, described the first winding coil and the second winding coil are symmetric mode on described magnet ring, and the number of turn and the wire diameter of described the first winding coil and the second winding coil are all identical.
2. low radiation energy saving type common mode inductance according to claim 1, is characterized in that, described inductance also comprises positioning base, and described magnet ring is fixedly connected with positioning base.
3. low radiation energy saving type common mode inductance according to claim 2, is characterized in that, described magnet ring and described positioning base adopt colloid to be adhesively fixed.
4. low radiation energy saving type common mode inductance according to claim 1, is characterized in that, described inductance also comprises guard shield, and described magnet ring is contained in guard shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101834.7U CN203850086U (en) | 2014-03-06 | 2014-03-06 | Low-radiation energy-saving type common-mode choke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101834.7U CN203850086U (en) | 2014-03-06 | 2014-03-06 | Low-radiation energy-saving type common-mode choke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850086U true CN203850086U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101834.7U Expired - Fee Related CN203850086U (en) | 2014-03-06 | 2014-03-06 | Low-radiation energy-saving type common-mode choke |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592909A (en) * | 2015-01-14 | 2015-05-06 | 安徽亚海电子有限公司 | Vertical common-mode inductor for switching power supply |
| CN105529136A (en) * | 2016-01-05 | 2016-04-27 | 南京航空航天大学 | Common mode choke with current noise dissipation function |
| 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 |
-
2014
- 2014-03-06 CN CN201420101834.7U patent/CN203850086U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104592909A (en) * | 2015-01-14 | 2015-05-06 | 安徽亚海电子有限公司 | Vertical common-mode inductor for switching power supply |
| CN105529136A (en) * | 2016-01-05 | 2016-04-27 | 南京航空航天大学 | Common mode choke with current noise dissipation function |
| 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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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |