CN213339978U - Pulse type common mode ring type inductor - Google Patents
Pulse type common mode ring type inductor Download PDFInfo
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- CN213339978U CN213339978U CN202022056560.2U CN202022056560U CN213339978U CN 213339978 U CN213339978 U CN 213339978U CN 202022056560 U CN202022056560 U CN 202022056560U CN 213339978 U CN213339978 U CN 213339978U
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Abstract
The utility model discloses a pulse common mode ring inductor, which comprises a base, an iron core, a positioning table, a flow guide assembly and a vertical rod; two clamping seats are oppositely fixed on the left side and the right side of the upper surface of the base, the middle part of the iron core penetrates through a clamping hole in the middle part of the clamping seat, two windings are oppositely arranged on two sides of the iron core, pins are welded on four wiring ends of the two windings, and the pins extend to the left side and the right side of the base; the positioning table is fixed on the lower surface of the middle part of the base, a through hole corresponding to the positioning table is formed in the middle part of the base, and a wire clamp is arranged at the edge position of the upper surface of the base; the upper end of the upright post is fixed with a protective cover; the water conservancy diversion subassembly includes fixed cylinder and spiral plate, and the fixed cylinder is the equal open cone drum of upper and lower extreme, and this pulsed common mode ring type inductance, the laminating of locate mode, easy to assemble has reduced the degree of difficulty of installation, can improve the heat-sinking capability to a certain extent simultaneously.
Description
Technical Field
The utility model relates to a common mode inductance technical field specifically is a pulsed common mode ring type inductance.
Background
Common mode inductor (Common mode Choke), also called Common mode Choke, is commonly used in a switching power supply of a computer to filter Common mode electromagnetic interference signals. In the design of the board card, the common mode inductor also plays a role of EMI filtering and is used for inhibiting electromagnetic waves generated by the high-speed signal line from radiating and emitting outwards, various high-frequency circuits, digital circuits and analog circuits are mixed on a main board in the computer, and when the high-frequency circuits, the digital circuits and the analog circuits work, a large amount of high-frequency electromagnetic waves are generated to interfere with each other, namely EMI. EMI can also cause electromagnetic radiation pollution through mainboard wiring or external cable outwards transmission, influences other electronic equipment and normally works, consequently needs common mode inductance to carry out two-way filtering: common mode electromagnetic interference on the one hand will be filtered signal line, and on the other hand will restrain itself again and do not outwards send electromagnetic interference, avoids influencing the normal work of other electronic equipment under the same electromagnetic environment, and common mode inductance among the prior art, its pin are the plug-in type structure, can only adopt the manual work to peg graft, lead to production efficiency low, and the heat-sinking capability remains to promote simultaneously.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an impulse type common mode ring type inductance, the laminating of locate mode, easy to assemble has reduced the degree of difficulty of installation, can improve heat-sinking capability to a certain extent simultaneously, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pulse type common mode ring-shaped inductor comprises a base, an iron core, a positioning table, a flow guide assembly and a vertical rod;
base: two clamping seats are oppositely fixed on the left side and the right side of the upper surface, the middle part of the iron core penetrates through a clamping hole in the middle part of the clamping seat, two windings are oppositely arranged on two sides of the iron core, pins are welded on four wiring ends of the two windings, and the pins extend to the left side and the right side of the base;
a positioning table: the lower surface of the middle part of the base is fixed, a through hole corresponding to the positioning table is arranged in the middle of the base, and a wire clamp is arranged at the edge position of the upper surface of the base;
pole setting: four upright posts are arranged, the lower ends of the upright posts are fixedly connected with four corners of the upper surface of the base, and the upper ends of the upright posts are fixed with protective covers;
a flow guide assembly: the device comprises a fixed cylinder and a spiral plate, wherein the fixed cylinder is a conical cylinder body with openings at the upper end and the lower end, the upper end of the fixed cylinder is fixedly connected with the middle part of the lower surface of a protective cover, the spiral plate is fixed on the conical surface at the outer side of the fixed cylinder, and the spiral plate corresponds to a through hole in the middle part of a base;
wherein: still include the support column, the marginal position at the base upper surface is fixed to the support column, the upper end of support column and the downside contact of iron core.
Further, the locating platform is including solid fixed ring and arch, gu fixed ring fixes the downside at base middle part round hole, gu the lower extreme transitional coupling of fixed ring outside anchor ring has the arch, and bellied middle part equidistance is provided with the indent, realizes holistic location through the locating platform, need not carry out the independent grafting of pin, has improved the efficiency of installation.
Furthermore, the heat dissipation device also comprises a vent hole, wherein the vent hole is formed in the center of the protective cover and communicated with the fixing cylinder, and the heat dissipation capacity of the vent hole is further improved.
Further, the fastener includes holder and double-layered groove, the holder has two and relative fixation both ends about the base upper surface, and the upper surface of every holder all is equipped with two double-layered grooves, the line end card of winding is fixed the line end of winding through the wire clamp in the double-layered groove that corresponds, improves the stability of winding and pin.
Furthermore, still include the antislip strip, the antislip strip is fixed in the border position of base, improves the stability with the circuit board contact through the antislip strip.
Compared with the prior art, the beneficial effects of the utility model are that: the pulse common mode ring type inductor has the following advantages:
1. according to the pulse type common mode ring-shaped inductor, the positioning table is arranged on the lower surface of the base, the positioning table can be deformed and matched with the mounting hole in the circuit board, pins are attached in a positioning mode, manual insertion is not needed, the installation is convenient, and the installation difficulty is reduced;
2. the air flow guiding assembly is arranged and is used for guiding air flow through the spiral plate, so that air flow of external heat dissipation equipment can penetrate through the iron core and the winding, heat dissipation capacity is improved, certain ventilation and heat dissipation level is still achieved on the premise that safety is guaranteed through the protective cover, and overall efficiency and service life are guaranteed.
3. The wire end of the winding is fixed through the wire clamp, and the stability of the winding and the pins is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
In the figure: the novel air-conditioning system comprises a base 1, a clamping seat 2, an iron core 3, a winding 4, a supporting column 5, a positioning table 6, a fixing ring 601, a protrusion 602, a wire clamp 7, a clamping seat 701, a clamping groove 702, pins 8, a flow guide assembly 9, a fixing barrel 901, a spiral plate 902, a vertical rod 10, a protective cover 11, air holes 12 and an anti-slip strip 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a pulse type common mode ring-shaped inductor comprises a base 1, an iron core 3, a positioning table 6, a flow guide assembly 9 and a vertical rod 10;
base 1: two clamping seats 2 are oppositely fixed on the left side and the right side of the upper surface, the middle part of an iron core 3 penetrates through a clamping hole in the middle part of each clamping seat 2, two windings 4 are oppositely arranged on two sides of the iron core 3, pins 8 are welded on four wiring ends of the two windings 4, and the pins 8 extend to the left side and the right side of the base 1;
a positioning table 6: the lower surface of the middle part of the base 1 is fixed, the middle part of the base 1 is provided with a through hole corresponding to the positioning table 6, and the edge position of the upper surface of the base 1 is provided with a wire clamp 7;
the positioning table 6 comprises a fixing ring 601 and protrusions 602, the fixing ring 601 is fixed on the lower side of a circular hole in the middle of the base 1, the protrusions 602 are connected to the lower end of the outer ring surface of the fixing ring 601 in a transition mode, and pressing grooves are arranged in the middle of the protrusions 602 at equal intervals;
the indent provides a reserved space for deformation of the protrusion 602;
the wire clamp 7 comprises two clamp seats 701 and two clamp grooves 702, the two clamp seats 701 are oppositely fixed at the left end and the right end of the upper surface of the base 1, the upper surface of each clamp seat 701 is provided with two clamp grooves 702, and the wire ends of the winding 4 are clamped in the corresponding clamp grooves 702;
the wire end of the winding 4 is fixed through the wire clamp 7, so that the stability of the winding 4 and the pin 8 is improved;
upright rod 10: four upright posts are arranged, the lower ends of the four upright posts are fixedly connected with four corners of the upper surface of the base 1, and the upper ends of the upright posts 10 are fixed with protective covers 11;
the flow guide assembly 9: the device comprises a fixed cylinder 901 and a spiral plate 902, wherein the fixed cylinder 901 is a conical cylinder body with openings at the upper end and the lower end, the upper end of the fixed cylinder 901 is fixedly connected with the middle part of the lower surface of a protective cover 11, the spiral plate 902 is fixed on the conical surface at the outer side of the fixed cylinder 901, and the spiral plate 902 corresponds to a through hole at the middle part of a base 1;
the protective cover further comprises an air hole 12, the air hole 12 is formed in the center of the protective cover 11, and the air hole 12 is communicated with the fixed cylinder 901;
the flow guide assembly 9 is arranged and used for guiding flow through the spiral plate 902, so that airflow of external heat dissipation equipment can penetrate through the iron core 3 and the winding 4, the heat dissipation capacity is improved, a certain ventilation and heat dissipation level is still achieved on the premise of safety guaranteed by the protective cover 11, and the overall efficiency and service life are guaranteed;
wherein: the iron core support structure further comprises a support column 5, wherein the support column 5 is fixed at the edge position of the upper surface of the base 1, and the upper end of the support column 5 is in contact with the lower side surface of the iron core 3;
the iron core 3 is supported by the support column 5, and the firmness of the iron core 3 is ensured by matching with the clamping seat 2, so that the displacement is avoided;
the anti-skid device further comprises an anti-skid strip 13, and the anti-skid strip 13 is fixed at the edge position of the base 1.
This pulsed common mode ring type inductance sets up location platform 6 at the lower surface of base 1, and location platform 6 can be deformed, cooperates with the mounting hole on the circuit board, and pin 8 carries out the locate mode laminating, need not artifical grafting one by one, and easy to assemble has reduced the degree of difficulty of installation.
When in use:
pressing base 1 on outside circuit board, making locating platform 6 correspond with the mounting hole on the circuit board, protruding 602 deformation passes the mounting hole on the circuit board and blocks in the downside of circuit board, and four corresponding pins 8 and the circuit laminating on the circuit board, when the air current passes through the circuit board, the clearance of base 1 and protective cover 11 is transversely passed, under the water conservancy diversion of a fixed cylinder 901 and spiral plate 902, and partial gas passes down the clearance of iron core 3, takes away the heat that iron core 3 and winding 4 produced at the during operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A kind of pulse common mode ring type inductance, characterized by: comprises a base (1), an iron core (3), a positioning table (6), a flow guide assembly (9) and an upright rod (10);
base (1): two clamping seats (2) are oppositely fixed on the left side and the right side of the upper surface, the middle of the iron core (3) penetrates through a clamping hole in the middle of each clamping seat (2), two windings (4) are oppositely arranged on the two sides of the iron core (3), pins (8) are welded on four wiring ends of the two windings (4), and the pins (8) extend to the left side and the right side of the base (1);
positioning table (6): the lower surface of the middle part of the base (1) is fixed, the middle part of the base (1) is provided with a through hole corresponding to the positioning table (6), and the edge position of the upper surface of the base (1) is provided with a wire clamp (7);
upright (10): four upright posts are arranged, the lower ends of the four upright posts are fixedly connected with four corners of the upper surface of the base (1), and the upper ends of the upright posts (10) are fixed with protective covers (11);
a flow guide assembly (9): the device comprises a fixed cylinder (901) and a spiral plate (902), wherein the fixed cylinder (901) is a conical cylinder body with an opening at the upper end and the lower end, the upper end of the fixed cylinder (901) is fixedly connected with the middle part of the lower surface of a protective cover (11), the spiral plate (902) is fixed on the conical surface of the outer side of the fixed cylinder (901), and the spiral plate (902) corresponds to a through hole in the middle part of a base (1);
wherein: still include support column (5), the marginal position at base (1) upper surface is fixed in support column (5), the upper end of support column (5) and the downside contact of iron core (3).
2. The pulse common-mode loop inductor as claimed in claim 1, wherein: location platform (6) are including solid fixed ring (601) and arch (602), gu fixed ring (601) fixes the downside at base (1) middle part round hole, gu the lower extreme transitional coupling of fixed ring (601) outside anchor ring has arch (602), and the middle part equidistance of arch (602) is provided with the indent.
3. The pulse common-mode loop inductor as claimed in claim 1, wherein: the novel protective cover is characterized by further comprising an air hole (12), wherein the air hole (12) is formed in the center of the protective cover (11), and the air hole (12) is communicated with the fixed cylinder (901).
4. The pulse common-mode loop inductor as claimed in claim 1, wherein: the wire clamp (7) comprises two clamp seats (701) and two clamp grooves (702), the two clamp seats (701) are oppositely fixed at the left end and the right end of the upper surface of the base (1), the upper surface of each clamp seat (701) is provided with the two clamp grooves (702), and the wire ends of the windings (4) are clamped in the corresponding clamp grooves (702).
5. The pulse common-mode loop inductor as claimed in claim 1, wherein: the anti-skid device is characterized by further comprising anti-skid strips (13), wherein the anti-skid strips (13) are fixed at the edge position of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056560.2U CN213339978U (en) | 2020-09-18 | 2020-09-18 | Pulse type common mode ring type inductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022056560.2U CN213339978U (en) | 2020-09-18 | 2020-09-18 | Pulse type common mode ring type inductor |
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| CN213339978U true CN213339978U (en) | 2021-06-01 |
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| CN202022056560.2U Active CN213339978U (en) | 2020-09-18 | 2020-09-18 | Pulse type common mode ring type inductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220625A (en) * | 2021-12-17 | 2022-03-22 | 惠州市宝惠电子科技有限公司 | Anti-electromagnetic interference horizontal common-mode high-power annular inductor and preparation method thereof |
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2020
- 2020-09-18 CN CN202022056560.2U patent/CN213339978U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220625A (en) * | 2021-12-17 | 2022-03-22 | 惠州市宝惠电子科技有限公司 | Anti-electromagnetic interference horizontal common-mode high-power annular inductor and preparation method thereof |
| CN114220625B (en) * | 2021-12-17 | 2023-12-22 | 惠州市宝惠电子科技有限公司 | Anti-electromagnetic interference horizontal common-mode high-power annular inductor and preparation method thereof |
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