CN220796394U - High-integration common-mode inductor - Google Patents
High-integration common-mode inductor Download PDFInfo
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- CN220796394U CN220796394U CN202322331137.2U CN202322331137U CN220796394U CN 220796394 U CN220796394 U CN 220796394U CN 202322331137 U CN202322331137 U CN 202322331137U CN 220796394 U CN220796394 U CN 220796394U
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- 230000001681 protective effect Effects 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 15
- 238000001746 injection moulding Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 description 7
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000035699 permeability Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the field of inductors, in particular to a high-integration common-mode inductor, which comprises a high-integration common-mode inductor main body; the symmetrical two sides of the high-integration common mode inductor main body are respectively fixedly provided with a first clamping block, the two symmetrical sides of the protective cover are respectively fixedly provided with a connecting block, the bottom of the connecting block is provided with a second sliding groove, the side wall of the second sliding groove is provided with a mounting groove, the side wall of the mounting groove is fixedly provided with a spring, one end of the spring, which is far away from the mounting groove, is fixedly provided with a second clamping block, the first clamping block is provided with a clamping groove, the side wall of the second clamping block is fixedly connected with a push-pull block, the side wall of the mounting groove is provided with a first sliding groove, the push-pull block is slidably mounted in the first sliding groove, the problem that dust is easy to be stained on the surface of a flat copper coil in the use process of the device, and when the flat copper coil on the device is contacted with air for a long time, the coil is corroded, and the working efficiency of the device is deteriorated is further caused.
Description
Technical Field
The utility model relates to the field of inductors, in particular to a high-integration common-mode inductor.
Background
The common mode inductor is usually made of ferrite core, and is made into an inductor unit module through the procedures of winding copper wires, encapsulation and the like, a plurality of inductor unit modules are made together, and finally all the inductor unit modules are installed on an FR-4 cut-out type planar base plate to be made into the common mode inductor.
When the existing device is used, the coil of the device is exposed in the air, so that dust is easy to be stained on the surface of the coil in the using process of the device, and when the coil on the device is contacted with the air for a long time, the coil is corroded, so that the working efficiency of the device is deteriorated; therefore, a highly integrated common mode inductor is proposed for the above-mentioned problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, the coil of the device is exposed in the air, so that dust is easy to be stained on the surface of the coil in the using process of the device, and when the coil on the device is contacted with the air for a long time, the coil can be corroded, so that the working efficiency of the device is deteriorated.
The technical scheme adopted for solving the technical problems is as follows: a high-integration common-mode inductor comprises a high-integration common-mode inductor main body, a quick mounting device and a protective cover; the two symmetrical sides of the high-integration common-mode inductor main body are respectively fixedly provided with a first clamping block, and the two symmetrical sides of the protection cover are respectively fixedly provided with a connecting block;
the quick installation device comprises a second clamping block, a second sliding groove is formed in the bottom of the connecting block, a mounting groove is formed in the side wall of the second sliding groove, a spring is fixedly arranged on the side wall of the mounting groove, a second clamping block is fixedly arranged at one end of the spring away from the mounting groove, a clamping groove is formed in the first clamping block, a push-pull block is fixedly connected with the side wall of the second clamping block, a first sliding groove is formed in the side wall of the mounting groove, and the push-pull block is slidably arranged in the first sliding groove.
Preferably, the clamping groove is matched with a second clamping block, the second clamping block is wedge-shaped, the high-integration common-mode inductor main body and the protective cover are fixedly connected through the quick mounting device, and the second clamping block 408 is wedge-shaped, so that when one clamping block extrudes the second clamping block, the second clamping block automatically contracts into the mounting groove.
Preferably, the top of the protective cover is provided with a through hole, the inner wall of the through hole is fixedly provided with a limiting frame, and the top of the protective cover is rectangular and distributed with limiting devices.
Preferably, the limiting device comprises a gear, the gear is rotatably arranged at the top of the protective cover, a limiting block is rotatably arranged on the side wall of the gear, a sliding block is fixedly arranged on one side, far away from the gear, of the limiting block, third sliding grooves are distributed at the top of the protective cover in a rectangular mode, and the sliding block is slidably arranged in the third sliding grooves.
Preferably, the protection cover is clamped with the activated carbon filter plate through the limiting block and the limiting frame.
Preferably, the high-integration common-mode inductor main body comprises an injection molding bottom plate and a runway-type magnetic core, three flat copper coils are symmetrically arranged on the runway-type magnetic core, the flat copper coils and the runway-type magnetic core are fixedly arranged on the injection molding bottom plate, the size of the nanocrystalline runway-type magnetic core, the flat copper coils and the injection molding bottom plate is small and light, the number of the nanocrystalline runway-type magnetic cores is less than 1, the injection molding process of the bottom plate is mature, FR materials are cheap and high in integration, so that the whole volume of the novel common-mode inductor is small, the weight is small, the cost is low, the permeability (U) of the runway-type magnetic core is high, the permeability of the runway-type magnetic core is tens to tens of times of that of ferrite magnetic cores, the novel common-mode inductor has the characteristic of large initial inductance (L), the small-size magnetic core can be selected when the size specification of the magnetic core is selected, the flat copper coils can also select the small-size magnetic core with small number of turns and the cross-section area is large, and the flat copper coils have smaller volume and strong current carrying capacity; the saturation magnetic flux density (BS) of the runway type magnetic core is high, the BS of the runway type magnetic core is 4-5 times of that of the ferrite magnetic core, so that the bias inductance (L) of the novel common mode inductor under the condition of high current operation is high, the magnetic core is unsaturated, the function is not invalid, the current carrying capacity (I) is high, and the flat copper coil and the runway type magnetic core are fixed on an injection molding bottom plate through epoxy resin glue.
The utility model has the advantages that:
1. according to the utility model, through the structural design of the rapid installation device, when the device is transported or installed and used, the second chute is aligned with the first clamping block for insertion, when the first clamping block enters the second chute, the second clamping block is directly extruded into the installation groove by the first clamping block due to the wedge-shaped structure of the second clamping block, when the clamping groove is aligned with the installation groove, the second clamping block is clamped into the clamping groove under the action of the spring, and the first clamping block is fixedly connected to the high-integration common-mode inductor main body, and the connecting block is fixedly connected to the protective cover, so that the function of rapidly installing the protective cover on the high-integration common-mode inductor main body is realized, the problems that dust is easy to be stained on the surface of a coil in the use process of the device, and the flat copper coil on the device is corroded due to the fact that the flat copper coil contacts with air for a long time, and the working efficiency of the device is poor are solved;
2. according to the utility model, through the structural design of the limiting device and the limiting frame, when the active carbon filter plate needs to be replaced after a period of use time, the gear is stirred, the limiting block is driven to slide in the third sliding groove through the sliding block when the gear rotates, the third sliding groove slides away from the top of the active carbon filter plate under the driving of the gear, the limiting of the active carbon filter plate is relieved, the functions of conveniently replacing the active carbon filter plate and ventilating and radiating the high-integration common-mode inductor main body in the protective cover are realized, and the problem that the high-integration common-mode inductor main body in the protective cover cannot be subjected to heat radiation and dehumidification when the protective cover protects the high-integration common-mode inductor main body is solved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 3 is a schematic view of a quick-install device of the present utility model;
FIG. 4 is a schematic diagram of a highly integrated common mode inductor according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the quick-install device of the present utility model;
fig. 6 is a schematic diagram of a coil wire structure according to the present utility model.
In the figure: 1. a highly integrated common mode inductor body; 101. injection molding of the bottom plate; 102. a flat copper coil; 103. a racetrack magnetic core; 2. a protective cover; 3. an activated carbon filter plate; 4. a quick-install device; 401. a first clamping block; 402. a clamping groove; 403. a connecting block; 404. a mounting groove; 405. a first chute; 406. a spring; 407. a push-pull block; 408. a second clamping block; 409. a second chute; 5. a limiting device; 501. a gear; 502. a third chute; 503. a limiting block; 504. a slide block; 6. and a limiting frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The present application is described in further detail below in conjunction with figures 1-5,
the embodiment of the application discloses a high-integration common-mode inductor. Referring to fig. 1 and 2, a highly integrated common mode inductor includes a highly integrated common mode inductor body 1, a quick mount device 4, and a protective cover 2; the symmetrical two sides of the high-integration common mode inductor main body 1 are respectively fixedly provided with a first clamping block 401, and the symmetrical two sides of the protection cover 2 are respectively fixedly provided with a connecting block 403;
the quick installation device 4 comprises a second clamping block 408, a second sliding groove 409 is formed in the bottom of the connecting block 403, a mounting groove 404 is formed in the side wall of the second sliding groove 409, a spring 406 is fixedly arranged on the side wall of the mounting groove 404, the second clamping block 408 is fixedly arranged at one end, far away from the mounting groove 404, of the spring 406, the clamping groove 402 is formed in the first clamping block 401, a push-pull block 407 is fixedly connected to the side wall of the second clamping block 408, a first sliding groove 405 is formed in the side wall of the mounting groove 404, and the push-pull block 407 is slidably arranged in the first sliding groove 405.
Referring to fig. 3 and 5, the clamping groove 402 is matched with the second clamping block 408, the second clamping block 408 is wedge-shaped, the high-integration common-mode inductor main body 1 and the protective cover 2 are fixedly connected through the quick mounting device 4, and the second clamping block 408 is wedge-shaped, so that when the first clamping block 401 extrudes the second clamping block 408, the second clamping block 408 automatically contracts into the mounting groove 404.
Referring to fig. 1, a through hole is formed in the top of the protective cover 2, a limiting frame 6 is fixedly mounted on the inner wall of the through hole, and limiting devices 5 are mounted on the top of the protective cover 2 in rectangular distribution.
Referring to fig. 2 and 1, the limiting device 5 includes a gear 501, the gear 501 is rotatably mounted at the top of the protective cover 2, a limiting block 503 is rotatably mounted on a side wall of the gear 501, a sliding block 504 is fixedly mounted on one side of the limiting block 503 away from the gear 501, third sliding grooves 502 are distributed at the top of the protective cover 2 in a rectangular shape, and the sliding block 504 is slidably mounted in the third sliding grooves 502.
Referring to fig. 1, the protection cover 2 is clamped with the activated carbon filter plate 3 through a limiting block 503 and a limiting frame 6.
Referring to fig. 4, the high-integration common-mode inductor main body 1 includes an injection-molded bottom plate 101 and a racetrack-shaped magnetic core 103, three flat copper coils 102 are symmetrically installed on the racetrack-shaped magnetic core 103, the flat copper coils 102 and the racetrack-shaped magnetic core 103 are fixedly installed on the injection-molded bottom plate 101, the nanocrystalline racetrack-shaped magnetic core 103, the flat copper coils 102 and the injection-molded bottom plate are small in size and light in weight, the number of used nanocrystalline racetrack-shaped magnetic cores 103 is less than 1, the bottom plate injection molding process is mature, the FR530 material is cheap and high in integration, so that the whole volume of the new common-mode inductor is small, the weight is small, the cost is low, the permeability (U) of the racetrack-shaped magnetic core 103 is high, the permeability of the racetrack-shaped magnetic core 103 is tens to tens of times that of ferrite magnetic cores, the new common-mode inductor has a large initial inductance (L0) characteristic, a small-sized magnetic core can be selected when the magnetic core is selected, and the number of turns of the flat copper coils 102 can be selected to be small, the cross-sectional area is large, so that the flat copper coil 102 is smaller and the carrying current (I) is stronger; the saturation magnetic flux density (BS) of the runway-type magnetic core 103 is high, the BS of the runway-type magnetic core 103 is 4-5 times that of a ferrite magnetic core, so that the bias inductance (L1) of the novel common-mode inductor under the condition of high-current operation is high, the magnetic core is unsaturated, the function is not invalid, the current carrying capacity (I) is high, and the flat copper coil 102 and the runway-type magnetic core 103 are fixed on the injection molding bottom plate 101 through epoxy resin glue.
Working principle: when the device is transported or installed and used, the second sliding groove 409 is aligned with the first clamping block 401 for plugging, when the first clamping block 401 enters the second sliding groove 409, the first clamping block 401 directly extrudes the second clamping block 408 into the mounting groove 404 due to the wedge-shaped structure of the second clamping block 408, when the clamping groove 402 is aligned with the mounting groove 404, the second clamping block 408 is clamped into the clamping groove 402 under the action of the spring 406, the first clamping block 401 is fixedly connected onto the high-integration common mode inductor main body 1, the connecting block 403 is fixedly connected onto the protective cover 2, the problem that dust is easy to be stained on the surface of a coil in the using process of the device, and when the flat copper coil 102 on the device contacts with air for a long time, the flat copper coil 102 is corroded, and further the working efficiency of the device is poor is caused.
When the active carbon filter plate 3 needs to be replaced after a period of service time, by stirring the gear 501, the gear 501 can drive the limiting block 503 to slide in the third sliding groove 502 through the sliding block 504 when rotating, the third sliding groove 502 slides away from the top of the active carbon filter plate 3 under the driving of the gear 501, the limiting of the active carbon filter plate 3 is relieved, and the problem that the high-integration common mode inductor main body 1 in the protective cover 2 cannot be subjected to heat dissipation and dehumidification when the protective cover 2 protects the high-integration common mode inductor main body 1 is solved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. A highly integrated common mode inductor, characterized by: comprises a high-integration common-mode inductor main body (1), a quick mounting device (4) and a protective cover (2); the two symmetrical sides of the high-integration common mode inductor main body (1) are respectively fixedly provided with a first clamping block (401), and the two symmetrical sides of the protective cover (2) are respectively fixedly provided with a connecting block (403);
quick installation device (4) include second joint piece (408), second spout (409) have been seted up to the bottom of connecting block (403), mounting groove (404) have been seted up to the lateral wall of second spout (409), the lateral wall fixed mounting of mounting groove (404) has spring (406), one end fixed mounting that mounting groove (404) were kept away from to spring (406) has second joint piece (408), joint groove (402) have been seted up on first joint piece (401), the lateral wall fixedly connected with push-and-pull piece (407) of second joint piece (408), first spout (405) have been seted up to the lateral wall of mounting groove (404), push-and-pull piece (407) slidable mounting is in first spout (405).
2. A highly integrated common mode inductor according to claim 1, characterized in that: the clamping groove (402) is matched with the second clamping block (408), the second clamping block (408) is wedge-shaped, and the high-integration common-mode inductor main body (1) and the protective cover (2) are fixedly connected through the quick installation device (4).
3. A highly integrated common mode inductor according to claim 1, characterized in that: the top of safety cover (2) has seted up the through-hole, through-hole inner wall fixed mounting has spacing (6), stop device (5) are installed in rectangle distribution in safety cover (2) top.
4. A highly integrated common mode inductor according to claim 3, characterized in that: stop device (5) are including gear (501), gear (501) rotate and install the top of safety cover (2), gear (501) lateral wall rotates and installs stopper (503), one side fixed mounting that gear (501) was kept away from to stopper (503) has slider (504), the top of safety cover (2) is the rectangle and distributes has third spout (502), slider (504) slidable mounting is in third spout (502).
5. The highly integrated common-mode inductor of claim 4, wherein: the protective cover (2) is clamped with the activated carbon filter plate (3) through a limiting block (503) and a limiting frame (6).
6. The highly integrated common-mode inductor of claim 5, wherein: the high-integration common-mode inductor main body (1) comprises an injection molding base plate (101) and a runway-type magnetic core (103), wherein three flat copper coils (102) are symmetrically arranged on the runway-type magnetic core (103), and the flat copper coils (102) and the runway-type magnetic core (103) are fixedly arranged on the injection molding base plate (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331137.2U CN220796394U (en) | 2023-08-29 | 2023-08-29 | High-integration common-mode inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322331137.2U CN220796394U (en) | 2023-08-29 | 2023-08-29 | High-integration common-mode inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220796394U true CN220796394U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322331137.2U Active CN220796394U (en) | 2023-08-29 | 2023-08-29 | High-integration common-mode inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220796394U (en) |
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2023
- 2023-08-29 CN CN202322331137.2U patent/CN220796394U/en active Active
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