CN221079778U - Stable form inductor - Google Patents
Stable form inductor Download PDFInfo
- Publication number
- CN221079778U CN221079778U CN202322655929.5U CN202322655929U CN221079778U CN 221079778 U CN221079778 U CN 221079778U CN 202322655929 U CN202322655929 U CN 202322655929U CN 221079778 U CN221079778 U CN 221079778U
- Authority
- CN
- China
- Prior art keywords
- magnetic conduction
- annular
- soft
- block
- hard
- 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.)
- Active
Links
- 230000001070 adhesive effect Effects 0.000 claims description 28
- 239000000853 adhesive Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 239000006247 magnetic powder Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000011162 core material Substances 0.000 description 53
- 238000010586 diagram Methods 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model provides a stable inductor, which comprises a box body, wherein an annular magnetic core is arranged in the box body, a hard magnetic conduction block is positioned and arranged on the inner ring side of the annular magnetic core, and the hard magnetic conduction block is provided with two end guide ends which are arranged towards the side surface of the inner ring side of the annular magnetic core; at least one end of the guide end is connected with the side surface of the inner ring side of the annular magnetic core through a soft magnetic conduction piece; in the inductor structure, the combination of the hard magnetic conduction block and the soft magnetic conduction piece enables the soft magnetic conduction piece to play a role in installation buffering and positioning buffering between the hard magnetic conduction block and the annular magnetic core, so that the inductor assembly is ensured to be installed stably, meanwhile, the damage condition caused by hard contact between the hard magnetic conduction block and the annular magnetic core in the installation process of the inductor is avoided, and the condition that the operation of the inductor is influenced due to the fact that the two ends of the middle hard magnetic conduction block are supported and abutted against the annular magnetic core in the use process is avoided.
Description
Technical Field
The utility model relates to the technical field of inductor structures, in particular to a stable inductor.
Background
In the inductor structure in the prior art, as disclosed in patent document 202122350494.4, a closed annular magnetic core is selected, a magnetic core center pillar is assembled on the inner ring side of the magnetic core, the magnetic core center pillar is selected as a magnetic core for generating a differential mode inductance component, the closed magnetic core is a magnetic core for generating a common mode inductance component, and the corresponding magnetic core material is selected as an alloy material in the prior art, wherein the alloy material magnetic core has hardness and a certain degree of brittleness; when the magnetic core center pillar is assembled with the closed magnetic core, both ends of the magnetic core center pillar are abutted against the closed magnetic core, so that the closed magnetic core can deform to a certain extent, the stress of the closed magnetic core is changed, and the normal operation of the inductor is affected.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a stable inductor.
The stable inductor comprises a box body, wherein an annular magnetic core is arranged in the box body, a hard magnetic conduction block is positioned and arranged on the inner annular side of the annular magnetic core, and the hard magnetic conduction block is provided with two end guide ends which are arranged towards the side face of the inner annular side of the annular magnetic core; at least one end of the guide end is connected with the side surface of the inner ring side of the annular magnetic core through a soft magnetic conduction piece.
Further, the annular magnetic core is in a racetrack shape and is in a round-corner rectangular ring shape; two groups of positioning cylinders are arranged in the box body corresponding to the inner ring side of the annular magnetic core in a vertically penetrating way; the hard magnetic conduction block is arranged between the two groups of positioning cylinders, and guide ends at two ends of the hard magnetic conduction block extend from between the two groups of positioning cylinders towards the side face of the inner ring side of the annular magnetic core in an opposite mode.
Further, the outer periphery of the positioning cylinder is rectangular; the two sides of the positioning cylinder are provided with anti-slip strips on the side surfaces of the cylinder opposite to each other; the hard magnetic conductive block is in interference fit with the anti-slip strips at the two sides to be positioned and attached.
Further, the hard magnetic conductive block is in a rectangular column shape, and is vertically positioned and installed in the box body; and chamfer inclined planes are arranged at the guide end positions at the two ends of the hard magnetic conduction block.
Further, the soft magnetic conductive piece is formed by mixing adhesive materials and magnetic powder attached to the adhesive materials; the soft magnetic conduction piece is made to be in adhesive contact with one side of the soft magnetic conduction piece at the guiding end position of one end of the hard magnetic conduction block through the adhesive property in the adhesive material, and the other side of the soft magnetic conduction piece is in adhesive contact with the inner ring side surface of the annular magnetic core.
Further, a glue injection groove is formed in the guide end of one side, where the hard magnetic conducting block is contacted with the soft magnetic conducting piece.
Further, the soft magnetic conduction piece is formed by combining soft rubber materials and magnetic powder mixed on the soft rubber materials; one side of the soft magnetic conduction piece is in soft contact with the guide end of the hard magnetic conduction block, and the other side of the soft magnetic conduction piece is in soft contact with the side face of the inner ring side of the annular magnetic core.
Further, one end of the hard magnetic conduction block is contacted with the side face of the inner ring side of the annular magnetic core, and the other end of the hard magnetic conduction block is connected with the side face of the inner ring side of the annular magnetic core through a soft magnetic conduction piece.
Further, a space is formed between one end guide end of the hard magnetic conduction block and the side face of the inner ring side of the annular magnetic core, so that a magnetic conduction space is formed; the other end is connected with the side surface of the inner ring side of the annular magnetic core through a soft magnetic conduction piece.
Further, the two ends of the hard magnetic conduction block are connected with the side face of the inner ring side of the annular magnetic core through soft magnetic conduction pieces.
The utility model has the beneficial effects that:
in the inductor structure, the combination of the hard magnetic conduction block and the soft magnetic conduction piece enables the soft magnetic conduction piece to play a role in installation buffering and positioning buffering between the hard magnetic conduction block and the annular magnetic core, so that the inductor assembly is ensured to be installed stably, meanwhile, the damage condition caused by hard contact between the hard magnetic conduction block and the annular magnetic core in the installation process of the inductor is avoided, and the condition that the operation of the inductor is influenced due to the fact that the two ends of the middle hard magnetic conduction block are supported and abutted against the annular magnetic core in the use process is avoided.
Drawings
FIG. 1 is a schematic diagram of a box structure of an inductor according to the present utility model;
fig. 2 is a schematic diagram showing the structure of an inductor according to embodiment 1 of the present utility model;
Fig. 3 is a schematic diagram showing the structure of an inductor according to embodiment 2 of the present utility model;
fig. 4 is a schematic diagram showing the structure of an inductor according to embodiment 3 of the present utility model;
Fig. 5 is a partial schematic view of fig. 4.
Reference numerals illustrate:
The box body 1, the bottom plate 11, the round corner end 111, the right angle end 112, the box outer wall 12, the positioning cylinder 13, the anti-slip strip 131, the connecting piece 14, the cover plate 15, the plate opening 151,
The magnetic core comprises an annular magnetic core 2, a hard magnetic conduction block 3, a chamfer angle slope 30, a glue injection groove 31 and a soft magnetic conduction piece 4.
Detailed Description
In order to make the technical scheme, the purpose and the advantages of the utility model more clear, the utility model is further explained below with reference to the drawings and the embodiments.
As shown in fig. 1 to 5, the stable inductor of the present utility model comprises a box body 1, wherein a box inner cavity is formed in the box body 1, a ring-shaped magnetic core 2 is arranged in the box inner cavity, and a hard magnetic block 3 made of a hard magnetic material is arranged at the inner ring side position of the ring-shaped magnetic core 2 in a positioning and mounting manner. The hard magnetic conduction block 3 is provided with two end guide ends which are arranged towards the side face of the inner ring side of the annular magnetic core 2; at least one end of the guide end is connected with the inner ring side surface of the annular magnetic core 2 through a soft magnetic conduction piece 4.
As the foundation structure application, annular magnetic core 2 is the round angle rectangle annular of runway shape, box body 1 includes bottom plate 11, bottom plate 11 periphery vertically upwards extends and sets up box outer wall 12, bottom plate 11 shape with annular magnetic core 2 shape adaptation and whole are the rectangle form, bottom plate 11 includes the round angle end 111 that the round angle set up and right angle end 112 that the right angle set up, bottom plate 11 three end sets up round angle end 111 and one end sets up right angle end 112.
In the arrangement of the inductor, the toroidal core 2 is not effective for direct positioning in the box cavity after assembly; conventionally, insulating adhesive is injected between the outer side of the annular magnetic core 2 and the inner side of the outer wall 12 of the case, so that the annular magnetic core 2 is adhered and fixed on the case 1. Based on the box body 1, the right-angle end 112 is arranged, so that the end angle of one side of the box body 1 forms an injection position for injecting insulating adhesive, and the requirement of the installation and fixation of the internal structure of the inductor is met.
In order to meet the requirements of the inductor for external assembly applications, the connection piece 14 is extended in the base plate 11 and/or the box outer wall 12, and as a preferred embodiment, the connection piece 14 is integrally injection-molded with the base plate 11 and the box outer wall 12.
A cover plate 15 is detachably arranged on the upper side of the outer wall 12 of the box, and two side plate openings 151 are formed in the middle of the cover plate 15; the middle part of the bottom plate 11 is provided with two side bottom openings, and the upper sides of the two bottom openings are vertically provided with positioning cylinders 13 in an extending mode; the two plate openings 151 are arranged in a position matching way with the two positioning cylinders 13, and the bottom openings are communicated with the plate openings 151 up and down through the positioning cylinders 13; the cover plate 15, the inner side of the outer wall 12 of the box, the outer side of the positioning cylinder 13 and the bottom plate 11 form a box inner cavity for placing the annular magnetic core 2 structure and the magnetic conduction piece in the inductor.
In the utility model, the annular magnetic core 2 is arranged between the inner side of the outer wall 12 of the box and the outer peripheral position of the positioning cylinder 13; the hard magnetic conductive block 3 is arranged between the two groups of positioning cylinders 13, and the guide ends at the two ends of the hard magnetic conductive block 3 extend from the space between the two groups of positioning cylinders 13 towards the side surface of the inner ring side of the annular magnetic core 2 in an opposite way; in order to ensure stable installation of the hard magnetic conductive block 3, the outer peripheral shape of the positioning cylinder 13 is rectangular, and anti-slip strips 131 are arranged on the cylinder sides opposite to each other in the positioning cylinder 13.
The hard magnetic conduction material is amorphous or nanocrystalline alloy. The hard magnetic block 3 is vertically attached between the positioning cylinders 13 at two sides in the box body 1 in a columnar shape, the whole hard magnetic block 3 is in a rectangular columnar shape, and the hard magnetic block 3 and the anti-slip strip 131 are in interference fit to form positioning attachment.
The two end guiding end positions of the hard magnetic conducting block 3 are provided with chamfer inclined planes 30, so that the end angle positions of the hard magnetic conducting block 3 in the installation process are prevented from being damaged by collision.
The soft magnetic conduction piece 4 and the hard magnetic conduction block 3 are combined and matched for application as follows:
The soft magnetic conductive member 4 is a soft magnetic conductive member which is made of a soft rubber material and magnetic powder mixed on the soft rubber material and has no adhesive property. When the soft magnetic conductive member is used as the soft magnetic conductive member, the soft magnetic conductive member 4 is positioned and mounted between the hard magnetic conductive block 3 and the inner ring side of the annular magnetic core 2, so that one end of the soft magnetic conductive member is in soft contact with the inner ring side surface of the annular magnetic core 2, and the other end of the soft magnetic conductive member is in soft contact with the guide end of the hard magnetic conductive block 3.
And secondly, the soft magnetic conduction piece 4 is arranged as an adhesive magnetic conduction piece formed by mixing adhesive materials and magnetic powder attached to the adhesive materials. The adhesive magnetic conduction piece is made to be adhered and contacted to the inner side surface of the annular magnetic core 2 by the adhesive characteristic of the adhesive material, and the other side is adhered and contacted to the guiding end position of one end of the hard magnetic conduction block 3, so that the adhesive magnetic conduction piece is arranged between the hard magnetic conduction block 3 and the annular magnetic core 2 to form an effective soft buffering effect, and the magnetic conduction effect between the hard magnetic conduction block 3 and the annular magnetic core 2 is ensured.
According to the material setting and assembling requirements of the adhesive magnetic conduction piece, in the application of the embodiment, the guide end of one side of the hard magnetic conduction block 3, which faces to the magnetic conduction space, is vertically extended with an adhesive injecting groove 31 for injecting adhesive magnetic conduction adhesive; in the processing process, the hard magnetic conductive block 3 is positioned and mounted in the mounting cylinders at two sides, and then the adhesive magnetic conductive piece is injected between the hard magnetic conductive block 3 and the annular magnetic core 2 through the adhesive injection operation of the adhesive injection groove 31.
Example 1:
In this embodiment, the attachment and matching relationship between the hard magnetic conductive block 3 and the soft magnetic conductive member 4 is as follows: the guiding end of one end of the hard magnetic conduction block 3 is contacted with the side face of the inner ring side of the annular magnetic core 2, and the other end of the hard magnetic conduction block is connected with the side face of the inner ring side of the annular magnetic core 2 through a soft magnetic conduction piece 4.
Example 2:
in this embodiment, the attachment and matching relationship between the hard magnetic conductive block 3 and the soft magnetic conductive member 4 is as follows: a space is formed between the guiding end of one end of the hard magnetic conduction block 3 and the side surface of the inner ring side of the annular magnetic core 2 so as to form a magnetic conduction space; the other end is connected with the side surface of the inner ring side of the annular magnetic core 2 through a soft magnetic conduction piece 4.
Example 3:
In this embodiment, the attachment and matching relationship between the hard magnetic conductive block 3 and the soft magnetic conductive member 4 is as follows: the two ends of the hard magnetic conduction block 3 are connected with the side surface of the inner ring side of the annular magnetic core 2 through soft magnetic conduction pieces 4.
In the above embodiments 1 to 3, the soft magnetic conductive member 4 may be mounted by matching the adhesive magnetic conductive member and/or the soft magnetic conductive member according to the actual use requirement and the performance setting requirement.
The foregoing is merely a preferred embodiment of the present utility model, and modifications of the embodiments described above can be made by those skilled in the art without departing from the implementation principles of the present utility model, and the corresponding modifications should also be considered as the protection scope of the present utility model.
Claims (10)
1. The stable inductor is characterized by comprising a box body, wherein an annular magnetic core is arranged in the box body, a hard magnetic conduction block is positioned and arranged on the inner ring side of the annular magnetic core, and the hard magnetic conduction block is provided with two end guide ends which are arranged towards the side surface of the inner ring side of the annular magnetic core; at least one end of the guide end is connected with the side surface of the inner ring side of the annular magnetic core through a soft magnetic conduction piece.
2. The stable inductor of claim 1, wherein the toroidal core is in the shape of a racetrack rounded rectangular toroid; two groups of positioning cylinders are arranged in the box body corresponding to the inner ring side of the annular magnetic core in a vertically penetrating way; the hard magnetic conduction block is arranged between the two groups of positioning cylinders, and guide ends at two ends of the hard magnetic conduction block extend from between the two groups of positioning cylinders towards the side face of the inner ring side of the annular magnetic core in an opposite mode.
3. The stable inductor of claim 2, wherein the positioning cylinder has a rectangular configuration in its peripheral shape; the two sides of the positioning cylinder are provided with anti-slip strips on the side surfaces of the cylinder opposite to each other; the hard magnetic conductive block is in interference fit with the anti-slip strips at the two sides to be positioned and attached.
4. The stable inductor of claim 1, wherein the hard magnetic permeable block is rectangular and cylindrical, the hard magnetic permeable block being vertically oriented and attached within the box; and chamfer inclined planes are arranged at the guide end positions at the two ends of the hard magnetic conduction block.
5. The stable inductor of claim 1, wherein the soft magnetic conductive member is formed by mixing a glue material and magnetic powder attached to the glue material; the soft magnetic conduction piece is made to be in adhesive contact with one side of the soft magnetic conduction piece at the guiding end position of one end of the hard magnetic conduction block through the adhesive property in the adhesive material, and the other side of the soft magnetic conduction piece is in adhesive contact with the inner ring side surface of the annular magnetic core.
6. The stable inductor of claim 5, wherein the hard magnetic conductive block has a glue injection groove at a guide end at a side contacting the soft magnetic conductive member.
7. The stable inductor of claim 1 wherein said soft magnetic conductive member is formed by a combination of a soft gel material and magnetic powder mixed on the soft gel material; one side of the soft magnetic conduction piece is in soft contact with the guide end of the hard magnetic conduction block, and the other side of the soft magnetic conduction piece is in soft contact with the side face of the inner ring side of the annular magnetic core.
8. A stable inductor according to any one of claims 1 to 7, wherein the hard magnetic conductive block has one end with a guide end in contact with the inner annular side surface of the toroidal core and the other end connected with the inner annular side surface of the toroidal core by a soft magnetic conductive member.
9. A stable inductor according to any one of claims 1 to 7, wherein a space is provided between a leading end of the hard magnetic conductive block and an inner annular side surface of the toroidal core to form a magnetic conductive space; the other end is connected with the side surface of the inner ring side of the annular magnetic core through a soft magnetic conduction piece.
10. A stable inductor according to any one of claims 1 to 7 wherein said guide ends of said hard magnetic conductive block are connected to inner annular side surfaces of said toroidal core by soft magnetic conductive members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655929.5U CN221079778U (en) | 2023-09-28 | 2023-09-28 | Stable form inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655929.5U CN221079778U (en) | 2023-09-28 | 2023-09-28 | Stable form inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079778U true CN221079778U (en) | 2024-06-04 |
Family
ID=91261363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322655929.5U Active CN221079778U (en) | 2023-09-28 | 2023-09-28 | Stable form inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079778U (en) |
-
2023
- 2023-09-28 CN CN202322655929.5U patent/CN221079778U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221079778U (en) | Stable form inductor | |
| CN108390138B (en) | Microwave ferrite circulator and isolator | |
| CN201340897Y (en) | TD-SCDMA surface mounted small-sized circulator | |
| CN221079781U (en) | Common-differential mode integrated inductor | |
| WO2008096494A1 (en) | Non-reversible circuit element | |
| CN203721864U (en) | Single-junction microstrip isolator with magnetic shield | |
| CN202749179U (en) | Novel soft magnetic ferrite core | |
| CN220984283U (en) | Box body and inductor | |
| CN215069572U (en) | Magnetic core structure and electromagnetic coupling device | |
| KR100678386B1 (en) | Isolator for radio communication | |
| CN202759004U (en) | Microstrip substrate type isolator | |
| CN209358002U (en) | A kind of connector and connection component | |
| CN214227106U (en) | Microwave ferrite circulator, isolator and mobile terminal | |
| CN211428319U (en) | Gland type isolator | |
| JPS5613712A (en) | Ignition coil for internal combustion engine | |
| CN108711695B (en) | Connector and electronic device using same | |
| CN210403992U (en) | Small-size integrated embedded type wide-band ring-shaped device | |
| CN214043954U (en) | Lumped parameter nonreciprocal ferrite device | |
| CN202444043U (en) | Surface-adhered ferrite circulator with novel pin structure | |
| CN220710447U (en) | Aluminum shell battery cover plate | |
| CN221328088U (en) | Miniaturized strip line circular circulator | |
| CN221282325U (en) | Pole and secondary battery cover plate with same | |
| CN216055116U (en) | Embedded circulator | |
| CN220138047U (en) | Isolation transformer for power grid data sampling | |
| CN219329405U (en) | AC socket structure and defibrillator charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |