CN220821260U - Rod-shaped inductor structure for lightning surge decoupling network - Google Patents
Rod-shaped inductor structure for lightning surge decoupling network Download PDFInfo
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- CN220821260U CN220821260U CN202322210365.4U CN202322210365U CN220821260U CN 220821260 U CN220821260 U CN 220821260U CN 202322210365 U CN202322210365 U CN 202322210365U CN 220821260 U CN220821260 U CN 220821260U
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- decoupling network
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000463 material Substances 0.000 claims description 6
- 229910001020 Au alloy Inorganic materials 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 239000003353 gold alloy Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model provides a bar-shaped inductor structure for a lightning surge decoupling network, which comprises an inductor with high power, wherein the inductor is arranged in a lightning surge generator and comprises an iron core and a coil wound on the surface of the iron core, the iron core is of a strip-shaped structure, and the iron core is of a cuboid or a cylinder. The utility model can reduce the equipment cost, volume and weight of the high-power decoupling network, improve the anti-saturation capacity of the decoupling inductor and effectively improve the decoupling efficiency of the decoupling network.
Description
Technical Field
The utility model relates to the technical field of EMC anti-interference decoupling inductors, in particular to a bar-shaped inductor structure for a lightning surge decoupling network.
Background
The lightning surge generator is a high-reliability test system specially designed for the characteristics and requirements of lightning surge immunity test in electromagnetic compatibility test. The device can simulate lightning strike and generate high-energy (high voltage and high current) surge. In order to prevent the lightning surge inside the lightning surge generator from adversely affecting the stability of the power supply, a high-power decoupling inductor is usually arranged inside the lightning surge generator, the conventional high-power decoupling inductor is an I-shaped or C-shaped iron core inductor, the self volume and the weight of the high-power decoupling inductor are large, and the self volume, the weight and the cost of the lightning surge generator are increased in the high-power decoupling circuit of the lightning surge generator.
Disclosure of utility model
In view of the above, the utility model aims to provide a rod-shaped inductor structure for a lightning surge decoupling network, which can reduce the cost, the volume and the weight of a high-power decoupling inductor, improve the anti-saturation capacity of the decoupling inductor and effectively reduce the volume, the weight and the cost of a lightning surge generator.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a lightning stroke surge decoupling network is with excellent shape inductor structure, includes the inductor of setting up high power in the surge generator, the inductor includes iron core and winding at the coil on iron core surface, the iron core is rectangular shape structure.
Further, the iron core is made of silicon steel sheets.
Further, the iron core is made of a non-gold alloy.
Further, the iron core is a cuboid with a square section.
Further, the vertical section of the iron core is I-shaped.
Further, the I-shaped iron core comprises an upper plate and a lower plate which are arranged in parallel and opposite to each other, a plurality of connecting plates which are arranged along the length direction of the iron core are arranged between the upper plate and the lower plate, and the connecting plates are arranged at intervals.
Further, the iron core is a cylinder.
Further, the side wall of the iron core of the cylindrical structure is provided with a thread groove of a thread structure, and the depth value of the thread groove is not lower than one third of the diameter of the cylinder and not higher than two thirds of the diameter of the cylinder.
Further, the coil is formed by winding a wire, the width of the thread groove is lower than the diameter of the wire, and the wire is wound to the surface of the iron core along the thread groove path.
The utility model has the advantages and positive effects that:
By providing an elongated core, the elongated inductor has lower cost, lower volume, lighter weight, and greater saturation resistance than the toroidal inductor at equivalent power capacity.
By making the vertical section of the core in an i-shape, the anti-saturation capability of the inductor is improved by increasing the air gap within the coil.
By arranging the thread groove on the surface of the cylindrical iron core, the stability of the iron core structure is ensured and the anti-saturation capacity of the inductor is improved while the air gap in the coil is increased.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a top view of the overall structure of a bar inductor structure for a lightning surge decoupling network of the present utility model;
FIG. 2 is an overall view of a rectangular parallelepiped structural core of a bar inductor structure for a lightning surge decoupling network of the present utility model;
Fig. 3 is an overall view of a cylindrical structural core of a rod-shaped inductor structure for a lightning surge decoupling network of the present utility model.
In the figure: 1. a coil; 2. an iron core; 201. an upper plate; 202. a connecting plate; 203. a lower plate; 204. a thread groove.
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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The utility model provides a bar-shaped inductor structure for a lightning surge decoupling network, which comprises a bar-shaped inductor with high power, which is arranged in the decoupling network, as shown in fig. 1, wherein the bar-shaped inductor comprises an elongated iron core 2, and an insulated wire (a coil 1) is wound on the surface of the iron core 2 (an insulated framework) to form the elongated inductor. When the toroidal inductor operates, a closed toroidal magnetic field is formed in the C-shaped iron core; the insulated wire of the strip inductor is electrified, and a closed annular magnetic field is not easy to form in the iron core 2, so that the whole magnetic flux of the iron core 2 is not easy to saturate, and the anti-saturation capacity of the strip inductor is stronger than that of the annular inductor under the same power capacity. One embodiment of the utility model is: the iron core 2 is made of a silicon steel material, or the iron core 2 is made of a non-gold alloy material.
As shown in fig. 2, to further improve the saturation resistance of the inductor in the form of a long bar, the iron core 2 has a rectangular parallelepiped with a square cross section. To further improve the anti-saturation capacity of the inductor, the vertical section of the iron core 2 is i-shaped, and the air gap in the coil 1 can be increased to improve the anti-saturation capacity of the inductor.
In order to further improve the anti-saturation capacity of the inductor, the coil 1 is wound in a ring shape, so that the space of an air gap in the coil 1 can be enlarged, and the anti-saturation capacity of the inductor is further improved.
The iron core 2 comprises an upper plate 201 and a lower plate 203 which are arranged in parallel, a connecting plate 202 is arranged between the upper plate 201 and the lower plate 203, the distance between the upper plate 201 and the lower plate 203 is ensured to be fixed, meanwhile, an air gap in the coil 1 is increased, and the anti-saturation capacity of the inductor is improved.
The coil 1 is internally provided with a uniform magnetic field, and magnetic induction lines are parallel to each other. The permeability of the connecting plate is higher than that of air, a plurality of connecting plates 202 are arranged between the upper plate 201 and the lower plate 203 at intervals, the connecting plates 202 are arranged at intervals in a staggered mode, an air gap between the upper plate 201 and the lower plate 203 is increased, and meanwhile connection stability between the upper plate 201 and the lower plate 203 is guaranteed.
As shown in fig. 3, the iron core 2 has a cylindrical structure, the side wall of the iron core 2 is provided with a thread groove 204, the depth value of the thread groove 204 is not less than one third of the diameter of the cylinder, and not more than two thirds of the diameter of the cylinder, so that the appearance structure of the iron core 2 is ensured, the air gap in the iron core 2 is increased, and the anti-saturation capability of the inductor is improved.
In order to ensure the stability of the structure of the iron core 2, the width value of the thread groove 204 is lower than the diameter of the coil 1, and the coil 1 is wound on the surface of the iron core 2 along the path of the thread groove 204, so that the notch of the thread groove 204 can be supported, and the iron core 2 is not easy to damage and deform when being impacted by external force.
The foregoing describes the embodiments of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by this patent.
Claims (7)
1. The bar-shaped inductor structure for the lightning surge decoupling network is characterized by comprising a high-power inductor arranged in a lightning surge generator, wherein the inductor comprises an iron core (2) and a coil (1) wound on the surface of the iron core (2), and the iron core (2) is of a strip-shaped structure;
The iron core (2) is a cuboid with a square section, the vertical section of the iron core (2) is I-shaped, the I-shaped iron core (2) comprises an upper plate (201) and a lower plate (203) which are arranged oppositely in parallel, a plurality of connecting plates (202) which are arranged along the length direction of the iron core (2) are arranged between the upper plate (201) and the lower plate (203), and the connecting plates (202) are arranged at intervals.
2. A rod inductor structure for a lightning surge decoupling network according to claim 1, characterized in that the iron core (2) is made of silicon steel material.
3. A rod inductor structure for a lightning surge decoupling network according to claim 1, characterized in that the iron core (2) is made of a non-gold alloy material.
4. The rod-shaped inductor structure for the lightning surge decoupling network is characterized by comprising an inductor with high power, wherein the inductor is arranged in a lightning surge generator and comprises an iron core (2) and a coil (1) wound on the surface of the iron core (2), the iron core (2) is of a strip-shaped structure, and the iron core (2) is of a cylinder;
The side wall of the iron core (2) with the cylindrical structure is provided with a thread groove (204) with a thread structure, and the depth value of the thread groove (204) is not lower than one third of the diameter of the cylinder and not higher than two thirds of the diameter of the cylinder.
5. The rod-shaped inductor structure for a lightning surge decoupling network according to claim 4, wherein the coil (1) is formed by winding a wire, the width of the thread groove (204) is lower than the diameter of the wire, and the wire is wound to the surface of the iron core (2) along the path of the thread groove (204).
6. A rod inductor structure for a lightning surge decoupling network according to claim 4, characterized in that the iron core (2) is made of silicon steel material.
7. A rod inductor structure for a lightning surge decoupling network according to claim 4, characterized in that the iron core (2) is made of a non-gold alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210365.4U CN220821260U (en) | 2023-08-16 | 2023-08-16 | Rod-shaped inductor structure for lightning surge decoupling network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210365.4U CN220821260U (en) | 2023-08-16 | 2023-08-16 | Rod-shaped inductor structure for lightning surge decoupling network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821260U true CN220821260U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322210365.4U Active CN220821260U (en) | 2023-08-16 | 2023-08-16 | Rod-shaped inductor structure for lightning surge decoupling network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821260U (en) |
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2023
- 2023-08-16 CN CN202322210365.4U patent/CN220821260U/en active Active
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