CN201051434Y - A choke loop - Google Patents
A choke loop Download PDFInfo
- Publication number
- CN201051434Y CN201051434Y CNU2007201207616U CN200720120761U CN201051434Y CN 201051434 Y CN201051434 Y CN 201051434Y CN U2007201207616 U CNU2007201207616 U CN U2007201207616U CN 200720120761 U CN200720120761 U CN 200720120761U CN 201051434 Y CN201051434 Y CN 201051434Y
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- CN
- China
- Prior art keywords
- magnetic core
- choking
- coil
- winding
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a choking coil, which comprises an outer casing with an open trough. A U-shaped coil and a bar magnetic core are arranged in the open trough, and the U-shaped coil is entwined round the bar magnetic core. Both ends of the U-shaped coil are two pole feet which are arranged at the opening of the open trough and respectively appear outside both sides of the outer casing. Insulating sheets are respectively arranged between two lateral sides of the bar magnetic core and the corresponding inner side faces of the outer casing, and the insulating sheets are respectively fixed on both lateral sides of the bar magnetic core. The U-shaped coil and the bar magnetic core are an integral structure, and the external surface of the U-shaped coil is fixedly connected with the corresponding inner side face of the outer casing via binding agent. The utility model can suppress EMI electromagnetic interferences and the interferences of other electronic building bricks, and can increase working efficiency, and also can prevent the electromagnetic field of the choking coil from leaking. The utility model can bear currents with high-strength values and reduce the resistance of the choking coil, thereby reducing the material loss, simplifying the manufacturing process, and reducing the volume.
Description
Technical field
The utility model belongs to the choking-winding field, relates in particular to a kind of choking-winding that is applied to computer and peripheral equipment.
Background technology
In recent years, in order to make industrial equipment and household electrical appliance reduce volume, size and to increase performance, use the integrated semiconductor circuit panel assembly more and more widely.In order to reduce temperature rise and vortex phenomenon, be typically provided with choking-winding on the integrated semiconductor circuit plate.At present, traditional choking-winding structure that is applied to computer and peripheral equipment usually as shown in Figure 1, this choking-winding is to be twined by one " mouth " type shell magnetic core a, a circular or square bar magnet b and an enamelled wire c to combine.When big current work, the temperature of magnetic core a, bar magnet b reach 55 ℃ or more than, externally can produce bigger leakage inductance or stray field; The choking-winding manpower demand of manual coiling simultaneously is big, and because the more eddy current losses that produce of coil number of inductance also big more more, dc impedance also can be big more, can't reach the requirement of mainboard application demand of new generation and economical environment-protective.
Summary of the invention
The utility model purpose is to overcome the deficiencies in the prior art, provides big, the anti-electromagnetic interference performance of a kind of anti-current strength good, can reduce temperature rise and reduce eddy current, and can reduce its occupation space, external form fineness, choking-winding with low cost.
For achieving the above object, the utility model by the following technical solutions: a kind of choking-winding, comprise shell with uncovered storage tank, be provided with " Ω " shape coil and clavate magnetic core in the described uncovered storage tank, " Ω " shape coil is on the clavate magnetic core; Described " Ω " shape coil two ends are two electrode pin, and two electrode pin are positioned at the notch of uncovered storage tank and reveal respectively outside the shell two sides; Be respectively equipped with insulating trip between the two sides of described clavate magnetic core and its corresponding shell medial surface, described insulating trip is adhesively fixed on respectively on the two sides of clavate magnetic core.
Further, described " Ω " shape coil and clavate magnetic core are structure as a whole, and the outer surface of " Ω " shape coil is adhesively fixed by bonding agent shell medial surface corresponding with it.
Preferably, described shell shape can be cube or rectangular-shaped, and uncovered storage tank shape can be cube or rectangular-shaped.
Described shell is ferrite or ferrocart core punch forming.
Preferably, described " Ω " shape coil is an enamelled wire institute coiled.
Preferably, described clavate magnetic core can be cylinder shape magnetic core, perhaps also can be cube magnetic core or cuboid magnetic core, by ferrite or ferrocart core punch forming.
The utility model compared with prior art, at first owing to adopt " Ω " shape coil and clavate magnetic core, electric current is through coil when power supply opening, coil produces electromagnetic induction and can well work, can resist the interference of EMI electromagnetic interference and other electronic building brick and increase work efficiency, also can prevent leaking of the electromagnetic field of choking-winding own; The second, the utility model also can bear the process of hard intensity peak current and reduce the resistance of choking-winding itself, and the consume of energy economical with materials, and manufacture craft is oversimplified; The 3rd, the utility model has also reduced the volume of choking-winding widely when improving electric property.
Description of drawings
Fig. 1 is the structural representation of conventional choke coil;
Fig. 2 is the structural representation of the utility model choking-winding;
Fig. 3 is the parts explosion of Fig. 2.
Embodiment
In order to understand the utility model better, the utility model is done to describe further below in conjunction with accompanying drawing.
See also Fig. 1, Fig. 2 and Fig. 3, choking-winding of the present utility model comprises the shell 1 with uncovered storage tank 101, and shell 1 is a cubic, and it adopts ferrite or ferrocart core punch forming, and uncovered storage tank 101 equally also is a cubic; Be provided with " Ω " shape coil 2 and clavate magnetic core 3 in the uncovered storage tank 101, " Ω " shape coil 2 on clavate magnetic core 3, and with clavate magnetic core 3 structure that is assembled into one; " Ω " shape coil 2 adopts enamelled wire institute coiled, and clavate magnetic core 3 is the cuboid FERRITE CORE; " Ω " shape coil 2 two ends be 201,202, two electrode pin 201,202 of two electrode pin be positioned at uncovered storage tank 101 notch and reveal respectively outside shell 1 two sides; Be respectively equipped with insulating trip 4,5 between the two sides of clavate magnetic core 3 and its corresponding shell 1 medial surface, insulating trip 4,5 is adhesively fixed on respectively on the two sides of clavate magnetic core 3, can adjust the anti-electric current effect and the current strength of choking-winding by the thickness that changes insulating trip 4,5.
For better fixing " Ω " shape coil 2, the outer surface of " Ω " shape coil 2 is adhesively fixed by bonding agent shell 1 medial surface corresponding with it.
When power supply opening, electric current is through " Ω " shape coil 2, and " Ω " shape coil 2 produces electromagnetic induction, can well work, can resist the interference of EMI electromagnetic interference and other electronic building brick and increase work efficiency, also can prevent leaking of the electromagnetic field of choking-winding own; The resistance that also can bear the process of hard intensity peak current simultaneously and reduce choking-winding itself, and consume and simplification manufacture craft that can economical with materials have reduced the volume of choking-winding widely when improving electric property.
Above-described only is preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the present utility model design; also can make some distortion and improvement, its result who is equal to replacement belongs to protection range of the present utility model.
Claims (8)
1. a choking-winding is characterized in that, comprises the shell with uncovered storage tank, is provided with " Ω " shape coil and clavate magnetic core in the described worn-out mouthful storage tank, and " Ω " shape coil is on the clavate magnetic core; Described " Ω " shape coil two ends are two electrode pin, and two electrode pin are positioned at our notch of mouth storage tank and also reveal respectively outside the shell two sides; Be respectively equipped with insulating trip between the two sides of described clavate magnetic core and its corresponding shell medial surface, described insulating trip is adhesively fixed on respectively on the two sides of clavate magnetic core.
2. choking-winding according to claim 1 is characterized in that, described " Ω " shape coil and clavate magnetic core are structure as a whole, and the outer surface of " Ω " shape coil is adhesively fixed by bonding agent shell medial surface corresponding with it.
3. choking-winding according to claim 1 and 2 is characterized in that, described shell shape is a cube or rectangular-shaped.
4. choking-winding according to claim 1 and 2 is characterized in that, described uncovered storage tank is shaped as cube or rectangular-shaped.
5. according to each described choking-winding of claim 1～4, it is characterized in that described shell is ferrite or ferrocart core punch forming.
6. choking-winding according to claim 5 is characterized in that, described " Ω " shape coil is an enamelled wire institute coiled.
7. choking-winding according to claim 5 is characterized in that, described clavate magnetic core is a cylinder shape magnetic core, perhaps is cube magnetic core or cuboid magnetic core.
8. choking-winding according to claim 7 is characterized in that, described clavate magnetic core is by ferrite or ferrocart core punch forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201207616U CN201051434Y (en) | 2007-06-14 | 2007-06-14 | A choke loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201207616U CN201051434Y (en) | 2007-06-14 | 2007-06-14 | A choke loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201051434Y true CN201051434Y (en) | 2008-04-23 |
Family
ID=39337927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201207616U Expired - Fee Related CN201051434Y (en) | 2007-06-14 | 2007-06-14 | A choke loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201051434Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914008A (en) * | 2016-04-15 | 2016-08-31 | 深圳顺络电子股份有限公司 | Large current power inductor and manufacture method thereof |
| CN111508685A (en) * | 2020-03-30 | 2020-08-07 | 深圳顺络电子股份有限公司 | Plastic mold power inductance element and manufacturing method thereof |
-
2007
- 2007-06-14 CN CNU2007201207616U patent/CN201051434Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914008A (en) * | 2016-04-15 | 2016-08-31 | 深圳顺络电子股份有限公司 | Large current power inductor and manufacture method thereof |
| CN111508685A (en) * | 2020-03-30 | 2020-08-07 | 深圳顺络电子股份有限公司 | Plastic mold power inductance element and manufacturing method thereof |
| WO2021196447A1 (en) * | 2020-03-30 | 2021-10-07 | 深圳顺络电子股份有限公司 | Plastic molded power inductance element and manufacturing method |
| CN111508685B (en) * | 2020-03-30 | 2021-10-19 | 深圳顺络电子股份有限公司 | Plastic mold power inductance element and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20130614 |