CN2745198Y - A power filter - Google Patents
A power filter Download PDFInfo
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- CN2745198Y CN2745198Y CN 200420036873 CN200420036873U CN2745198Y CN 2745198 Y CN2745198 Y CN 2745198Y CN 200420036873 CN200420036873 CN 200420036873 CN 200420036873 U CN200420036873 U CN 200420036873U CN 2745198 Y CN2745198 Y CN 2745198Y
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- iron core
- power
- axle part
- coil holder
- power filter
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Abstract
The utility model relates to a power filter, in particular to an electromagnetic-interference-proofing power filter with heavy currents, and the power filter is mainly used for the power sources of the equipment, such as televisions, computers, etc. In order to overcome the defects that prior-art filters have small current and power, the utility model provides a filter which is suitable for the heavy current. The power filter comprises an iron core, a half line shelf, a coiling body and a base, and the power filter is characterized in that the iron core is like the Chinese character 'kou', and the periphery of the iron core is provided with a first axis part and a second axis part; two pairs of homotypic half line shelves respectively form a first line shelf and a second line shelf which are respectively arranged on the first axis part and the second axis part of the iron core, and the coiling body is arranged in the first line shelf and the second line shelf; the base adopts vertical-type structure or horizontal-type structure. The power filter has the advantages that because the first line shelf and the second line shelf adopt a shelf-division design, spaces for coiling is increased, thus the power filter has convenient coiling, good filtering effect and big output power, and the power filter is suitable for filters with the heavy current.
Description
Technical field
The utility model relates to a kind of power-supply filter, especially relates to a kind of power-supply filter of big electric current of anti-electromagnetic interference, is mainly used in the power supply of TV, apparatus such as computer.
Background technology
Filter applies is extensive, and its effect mainly is to utilize filter to prevent Electromagnetic Interference and some noises of filtering, so filter is extremely important in the application in each field now.Filter in the common alternating-current switch power supply, referring to Fig. 1, shown in Figure 2, mainly formed by iron core 10, coil holder 11, line body 13 and base 12, wherein iron core 10 is the door type structure, and has been horizontally set with axis 100 at its opening part, and coil holder 11 is configured to by two half lines, and on two half line framves, be respectively equipped with two wire casings 110, be provided with interval trough 111 between described two wire casings 110, wherein a corresponding outside of two half line framves is provided with coiling tooth 112, and its central authorities are provided with semicircle conduit 113.The central authorities of base 12 are provided with groove 120, coil holder 11 places in the groove 120, the both sides of groove 120 respectively are provided with detent 121, two side bottoms of iron core 10 place on the detent 121, the bottom of described base 12 is provided with at least one short column 122 that extends downwards, its periphery is provided with at least one duct 123, line body 13 is through wire casing 110, duct 123 is connected on the short column 122, the filter that this kind anti electromagnetic wave disturbs, two wire casings 110 are located on the same coil holder, and are difficult and time-consuming when not only winding the line, also easily because of being wrapped in line body 13 breakages on the wire casing 110, cause short circuit phenomenon, the space of line body 13 on wire casing 110 is less, so its volume around body is also limited, therefore only is applicable to the filter of little electric current, its power is also less relatively, is not suitable for large-scale application.
Summary of the invention
In order to overcome the shortcoming that prior art filter electric current is little, power is little, the utility model provides a kind of filter that is applicable to big electric current.
The technical scheme one that its technical problem that solves the utility model adopts is: a kind of power-supply filter, formed by iron core 20, half line frame 210, winding body and base 22, it is characterized in that: described iron core 20 is the hollow structure, and the periphery of this iron core 20 is provided with the first axle part 201 and the second axle part 202; The half line frame 210 of two pairs of homotypes constitutes first coil holder 24 and second coil holder 25 respectively, and is arranged at respectively on the first axle part 201 and the second axle part 202 of iron core 20; In first coil holder 24 and second coil holder 25, be provided with winding body.
Described winding body is the Copper Foil flat wire.
Described winding body is an enamelled wire.
The technical scheme two that its technical problem that solves the utility model adopts by: formed by iron core 20, half line frame 210, winding body and base 22, it is characterized in that: described iron core 20 is a day font structure, be provided with the first axle part 201 and the second axle part 202 in this iron core 20, be provided with blocking part 203 between the first axle part 201 and the second axle part 202, the half line frame 210 of two homotypes constitutes first coil holder 24, and is arranged on the first axle part 201 of iron core 20; The half line frame 210 of two homotypes constitutes second coil holder 25 in addition, is arranged on the second axle part 202 of iron core 20; In first coil holder 24 and second coil holder 25, be provided with winding body.
The utility model has the advantages that: set up meter because of first coil holder and second coil holder adopt to divide, increased the space that can wind the line, so coiling is convenient, overall volume is little, the worry ripple is effective, power output is big, is applicable to the filter of big electric current.
Description of drawings
Fig. 1: be the decomposition texture schematic diagram of prior art filter;
Fig. 2: be prior art bank of filters assembling structure schematic diagram;
Fig. 3: be the decomposition texture schematic diagram of the utility model embodiment 1 median filter;
Fig. 4: be the bank of filters assembling structure schematic diagram of the utility model embodiment 1;
Fig. 5: be the decomposition texture schematic diagram of the utility model embodiment 2 median filters;
Fig. 6: be the bank of filters assembling structure schematic diagram of the utility model embodiment 2;
Fig. 7: be the decomposition texture schematic diagram of the utility model embodiment 3 median filters;
Fig. 8: be the bank of filters assembling structure schematic diagram of the utility model embodiment 3.
Among the figure: 10 iron cores; 11 coil holders; 12 bases; 13 line bodies; 100 axis; 110 wire casings; 111 separate slots; 112 coiling teeth; 113 semicircle conduits; 120 grooves; 121 detents; 122 short columns; 123 ducts; 20 iron cores; 210 half line framves; 220 holding tanks; 221 demarcation strips; 222 grooves; 223 detents; 224 ducts; 225 binding posts; 23 winding bodies; 22 bases; 201 the first axle parts; 202 the second axle parts; 203 blocking parts; 24 first coil holders; 25 second coil holders; 241 engaging grooves.
Specific embodiments
Below in conjunction with accompanying drawing, the utility model is specifically described:
Embodiment 1: referring to Fig. 3, shown in 4, the utility model is made up of iron core 20, winding body, base 22, first coil holder 24 and second coil holder 25, and described iron core 20 is the hollow structure, and the periphery of this iron core 20 is provided with the first axle part 201 and the second axle part 202; First coil holder 24 and second coil holder 25 are that the half line frame 210 by two pairs of homotypes is constituted, and first coil holder 24 is arranged on the first axle part 201 of iron core 20, second coil holder 25 is arranged on the second axle part 202 of iron core 20, and first coil holder 24 and second coil holder 25 are equipped with engaging groove 241, in order to the first axle part 201 and the second axle part 202 that is bonded on iron core 20, this kind mode can conveniently wind the line, to reduce the required time of processing procedure, with the winding body winding on first coil holder 24 and second coil holder 25.Base 22 adopts vertical structure, and its central authorities are provided with the holding tank 220 that matches with iron core 20 bottoms, and the bottom of iron core 20 places in the holding tank 220.The bottom surface of base 22 is provided with four binding posts 225 that extend downwards, and is provided with four ducts 224 around, in order to draw winding body and to be attached on the binding post 225.
Because iron core 20 adopts the structure of the first axle part 201 and the second axle part 202, and on the first axle part 201 and the second axle part 202, be respectively arranged with first coil holder 24 and second coil holder 25, increased the space that winding body can wind the line like this, when coiling, can reduce work hours and operation, moreover,,, not only attractive in appearance with the Copper Foil flat wire because of its flat structure as winding body, and because of its sectional area strengthens, applicable to big electric current and high-power; Because of winding turns also can reduce, the tool coiling is simple and easy, the advantage that the small-power loss is little again.
Embodiment 2:
Referring to Fig. 5, shown in Figure 6, compare with embodiment 1, base 22 adopts the horizontal type structure, its central authorities are provided with demarcation strip 221, the both sides of demarcation strip 221 respectively are provided with groove 222, the a pair of half line frame 210 synthetic also coiling coils of wire are placed in the groove 222, and the two ends of described base 22 respectively are provided with the detent 223 that cooperates with iron core 20 ends, and horizontal iron core 20 both side ends place in the detent 223; The bottom surface of base 22 is provided with four binding posts 225 that extend downwards.This structure has increased the space that winding body can wind the line, and because of its sectional area strengthens, applicable to big electric current and high-power.
Embodiment 3:
Referring to Fig. 7, shown in Figure 8, present embodiment is made of iron core 20, winding body, base 22 first coil holders 24 and second coil holder 25, described iron core 20 is a day font structure, be provided with the first axle part 201 and the second axle part 202 in the excircle of this iron core 20, be provided with blocking part 203 between the first axle part 201 and the second axle part 202, be used to intercept the first axle part 201 and the second axle part 202; First coil holder 24 and second coil holder 25 are made of the half line frame 210 of two pairs of homotypes respectively, and first coil holder 24 is arranged on the first axle part 201 of iron core 20, and second coil holder 25 is located on the second axle part 202 of iron core 20; And first coil holder 24 and second coil holder 25 are equipped with engaging groove 241, in order to engage the first axle part 201 and the second axle part 202 of iron core 20.In first coil holder 24 and second coil holder 25, be provided with winding body.Base 22 adopts vertical structure, and its central authorities are provided with the holding tank 220 that matches with iron core 20 bottoms, and the bottom of iron core 20 places in the holding tank 220; The bottom surface of base 22 is provided with four binding posts 225 that extend downwards, and is provided with four ducts 224 around, in order to draw winding body and to be attached on the binding post 241.
Because iron core 20 adopts the structure of the first axle part 201 and the second axle part 202, and on the first axle part 201 and the second axle part 202, be respectively arranged with first coil holder 24 and second coil holder 25, increased the space that winding body can wind the line, but the coiling that the filter selection wire of said structure footpath is bigger also can use Copper Foil, flat wire as coiling; Not only attractive in appearance and strengthen applicable to bigger electric current and bigger power because of its sectional area because of flat coiling.
Claims (7)
1. power-supply filter, formed by iron core (20), half line frame (210), winding body and base (22), it is characterized in that: described iron core (20) is the hollow structure, and the periphery of this iron core (20) is provided with the first axle part (201) and the second axle part (202); The half line frame (210) of two pairs of homotypes constitutes first coil holder (24) and second coil holder (25) respectively, and is arranged at respectively on the first axle part (201) and the second axle part (202) of iron core (20); In first coil holder (24) and second coil holder (25), be provided with winding body.
2. a kind of power-supply filter according to claim 1 is characterized in that: described base (22) adopts vertical structure, and its central authorities are provided with the holding tank (220) that matches with iron core (20) bottom, and the bottom of iron core (20) places in the holding tank (220).
3. a kind of power-supply filter according to claim 1, it is characterized in that: described base (22) adopts the horizontal type structure, its central authorities are provided with demarcation strip (221), the both sides of demarcation strip (221) respectively are provided with groove (222), the synthetic also coiling coil of wire of a pair of half line frame (210) is placed in the groove (222), the two ends of described base (22) respectively are provided with the detent (223) that cooperates with iron core (20) end, and horizontal iron core (20) both side ends places in the detent (223).
4. a kind of power-supply filter according to claim 1 is characterized in that: described winding body is the Copper Foil flat wire.
5. a kind of power-supply filter according to claim 1 is characterized in that: described winding body is an enamelled wire.
6. power-supply filter, formed by iron core (20), half line frame (210), winding body and base (22), it is characterized in that: described iron core (20) is a day font structure, be provided with the first axle part (201) and the second axle part (202) in this iron core (20), be provided with blocking part (203) between the first axle part (201) and the second axle part (202), the half line frame (210) of two homotypes constitutes first coil holder (24), and is arranged on the first axle part (201) of iron core (20); The half line frame (210) of two homotypes constitutes second coil holder (25) in addition, is arranged on the second axle part (202) of iron core (20); In first coil holder (24) and second coil holder (25), be provided with winding body.
7. a kind of power-supply filter according to claim 6 is characterized in that: described base (22) adopts vertical structure, and its central authorities are provided with the holding tank (220) that matches with iron core (20) bottom, and the bottom of iron core (20) places in the holding tank (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036873 CN2745198Y (en) | 2004-06-28 | 2004-06-28 | A power filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420036873 CN2745198Y (en) | 2004-06-28 | 2004-06-28 | A power filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2745198Y true CN2745198Y (en) | 2005-12-07 |
Family
ID=35579973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420036873 Expired - Fee Related CN2745198Y (en) | 2004-06-28 | 2004-06-28 | A power filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2745198Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157393A (en) * | 2014-08-08 | 2014-11-19 | 江苏晨朗电子集团有限公司 | Dual-shaft SQ type common mode filter |
| CN105913999A (en) * | 2014-12-05 | 2016-08-31 | 海宁联丰东进电子有限公司 | Improved structure of power filter |
| CN110379604A (en) * | 2019-07-04 | 2019-10-25 | 深圳振华富电子有限公司 | Low-frequency transformer and preparation method thereof |
-
2004
- 2004-06-28 CN CN 200420036873 patent/CN2745198Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157393A (en) * | 2014-08-08 | 2014-11-19 | 江苏晨朗电子集团有限公司 | Dual-shaft SQ type common mode filter |
| CN105913999A (en) * | 2014-12-05 | 2016-08-31 | 海宁联丰东进电子有限公司 | Improved structure of power filter |
| CN110379604A (en) * | 2019-07-04 | 2019-10-25 | 深圳振华富电子有限公司 | Low-frequency transformer and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |