CN116386995A - High-current low-inductance high-superposition chopper inductor - Google Patents
High-current low-inductance high-superposition chopper inductor Download PDFInfo
- Publication number
- CN116386995A CN116386995A CN202310236437.4A CN202310236437A CN116386995A CN 116386995 A CN116386995 A CN 116386995A CN 202310236437 A CN202310236437 A CN 202310236437A CN 116386995 A CN116386995 A CN 116386995A
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- China
- Prior art keywords
- busbar
- magnetic core
- superposition
- current low
- inductance
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Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 58
- 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
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000008358 core component Substances 0.000 claims abstract description 9
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 9
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005192 partition Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Or Transformers For Communication (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The invention discloses a high-current low-inductance high-superposition chopper inductor, which comprises: the copper bar consists of a first busbar and a second busbar, wherein the first busbar is arranged on the inner side of the second busbar, and a space is formed between the first busbar and the second busbar; the magnetic core components are sleeved at the two ends and the middle of the copper bar; the base is arranged at the bottom of the copper bar, the magnetic core component at the middle part of the copper bar is arranged at the inner side of the base, and the magnetic core component comprises a nickel-zinc magnetic core sleeved at the middle part of the busbar II and a ferromagnetic magnetic core sleeved at the two ends of the busbar I and the busbar II; through the design of the invention, the application of different harmonic currents for various sensing quantities can be realized; under the high-frequency condition, the high-current low-inductance can achieve high superposition performance; the magnetic core combination of the product is simultaneously applicable to work in various frequency bands; the structural arrangement ensures that the electrical performance of the product is optimized, and meanwhile, the manufacturing efficiency of the device is improved, and the assembly efficiency at a terminal is improved.
Description
Technical Field
The invention belongs to the technical field of electronic appliances, and particularly relates to a high-current low-inductance high-superposition chopper inductor.
Background
An inductance is an element that can convert electric energy into magnetic energy for storage, and has a certain inductance that only blocks a change in current.
In the installation of the conventional inductor, the problem that the wire outgoing connection is messy and is not beneficial to the subsequent automatic production and positioning is solved, meanwhile, the installation in a narrow space is also not beneficial to the installation in a narrow space, the requirement of future volume miniaturization cannot be met, the inductor is easy to saturate during high current, an inductive device is invalid, and the effect of filtering a circuit cannot be achieved;
therefore, the invention provides an inductance structure which can limit the connection space at the electric performance connection position of large current (100A-500A) and has the multi-frequency band filtering effect on a circuit to achieve electric energy cleaning and occasions with automatic production requirements, in particular to the electric performance connection in the current vehicle-mounted and new energy charging piles.
Disclosure of Invention
The invention aims to provide a high-current low-inductance high-superposition chopped wave inductor so as to solve the problems of messy connection and large installation occupation space of the inductor in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a high current low inductance high superposition chopped inductor comprising:
the copper bar consists of a first busbar and a second busbar, wherein the first busbar is arranged on the inner side of the second busbar, and a space is formed between the first busbar and the second busbar;
the magnetic core components are sleeved at the two ends and the middle of the copper bar;
the base is arranged at the bottom of the copper bar, and the magnetic core component at the middle part of the copper bar is arranged at the inner side of the base.
As a preferable technical scheme in the invention, the magnetic core component comprises a nickel-zinc magnetic core sleeved at the middle part of the busbar, and further comprises a ferro-silicon magnetic core sleeved at the two ends of the busbar I and the busbar II.
As a preferable technical scheme, the nickel-zinc magnetic core and the iron-silicon magnetic core are composed of magnetic blocks which are vertically symmetrical, and a spacing piece is further arranged between the magnetic blocks which form the nickel-zinc magnetic core and the iron-silicon magnetic core.
As a preferable technical scheme in the invention, the inside of the base is hollow, partition plates are arranged in the hollow at equal intervals, a first placing cavity is formed between every two partition plates, the nickel-zinc magnetic core is placed in the first placing cavity, clamping grooves are formed in the two ends of the base in a penetrating way, the clamping grooves are formed in the partition plates, and the second busbar is clamped into the partition plates.
As a preferable technical scheme in the invention, an integrated mounting table is formed at the bottoms of two ends of the base, a second placing cavity is formed in the mounting table, and the ferromagnetic core is clamped into the second placing cavity.
As a preferable technical scheme in the invention, limit grooves are formed on two sides of the top of the second placing cavity, and bending parts at two ends of the first busbar and the second busbar are connected with the limit grooves in a penetrating manner.
As a preferable technical scheme in the invention, the first busbar is positioned at the outer side of the base, and the first busbar is in a fit shape with the outer side surface of the base.
As a preferable technical scheme in the invention, the end parts of the first busbar and the second busbar are respectively provided with a connecting hole.
Compared with the prior art, the invention has the beneficial effects that:
1. different harmonic currents are suitable for various sensing quantities;
2. under the high-frequency condition, the high-current low-inductance can achieve high superposition performance;
3. the magnetic core combination of the product is simultaneously applicable to work in various frequency bands;
4. the structural arrangement ensures that the electrical performance of the product is optimized, and meanwhile, the manufacturing efficiency of the device is improved, and the assembly efficiency at a terminal is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the connection of a copper bar to a base in accordance with the present invention;
FIG. 3 is a schematic diagram of the connection of a copper bar to a ferromagnetic core according to the present invention;
fig. 4 is a schematic structural view of the base of the present invention.
In the figure: 100. a copper bar; 101. a first busbar; 102. a second busbar; 200. a nickel zinc magnetic core; 201. a ferromagnetic core; 300. a base; 300a, placing a first cavity; 300b, a clamping groove; 300c, placing a second cavity; 300d, division plate.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a high current low inductance high superposition chopped inductor comprising:
the copper bar 100 is composed of a first busbar 101 and a second busbar 102, wherein the first busbar 101 is arranged on the inner side of the second busbar 102, and the laminated busbar structure can reduce stray inductance in application to affect peripheral devices, a space is formed between the first busbar 101 and the second busbar 102, and the first busbar 101 and the second busbar 102 are subjected to insulating layer coating treatment, so that an insulating layer can reach 2KV high voltage without breakdown;
magnetic core components sleeved at two ends and the middle of the copper bar 100;
the base 300 is disposed at the bottom of the copper bar 100, and the magnetic core assembly at the middle position of the copper bar 100 is mounted at the inner side of the base 300.
In this embodiment, the magnetic core assembly includes a nickel-zinc magnetic core 200 sleeved in the middle of the busbar two 102, and further includes a iron-silicon magnetic core 201 sleeved in the two ends of the busbar one 101 and the busbar two 102, where the nickel-zinc magnetic core 200 is bonded with the busbar one 101, the iron-silicon magnetic core 201 is bonded with the busbar one 101 and the busbar two 102 by using RTV glue, so that the magnetic core is positioned, and meanwhile, due to the soft property of the RTV glue, vibration stress generated after the copper busbar is passed can be absorbed, and the magnetic core is prevented from breaking, and meanwhile, due to the fact that the nickel-zinc magnetic core 200 and the iron-silicon magnetic core 201 are made of different materials, the product has high superposition performance with low inductance nH level under the condition of high frequency 100KHz, the large current superposition value can reach L (200A)/L (0A) > 85%, the magnetic core combination is suitable for multiple frequency band operation, the iron-silicon can reach 300KHz, and the nickel-zinc can reach 2MHz.
In this embodiment, the nickel-zinc magnetic core 200 and the iron-silicon magnetic core 201 are formed by vertically symmetrical magnetic blocks, so that the nickel-zinc magnetic core 200 and the iron-silicon magnetic core 201 can be conveniently installed on the copper bar 100, a spacer is further arranged between the magnetic blocks forming the nickel-zinc magnetic core 200 and the iron-silicon magnetic core 201, the anti-saturation capacity of the magnetic core is improved, and the butt joint positions between the magnetic blocks of the nickel-zinc magnetic core 200 and the iron-silicon magnetic core 201 are bonded by adopting epoxy glue with temperature resistance of 150 ℃.
In this embodiment, the inside of the base 300 is hollow, the partition plates 300d are disposed in the hollow and equidistant manner, a first placement cavity 300a is formed between every two partition plates 300d, the nickel-zinc magnetic core 200 is placed in the first placement cavity 300a, two ends of the base 300 are provided with slots 300b in a penetrating manner, the slots 300b are also provided on the partition plates 300d, and the second busbar 102 is clamped into the partition plates 300d to complete the installation and limiting.
In this embodiment, the bottoms of the two ends of the base 300 are formed with an integral mounting table, the second placing cavity 300c is formed in the mounting table, and the ferromagnetic core 201 is clamped into the second placing cavity 300 c.
In this embodiment, two sides of the top of the second placement cavity 300c are provided with a limiting groove 300e, and the bending parts at two ends of the first busbar 101 and the second busbar 102 are all connected with the limiting groove 300e in a penetrating manner.
In this embodiment, the first busbar 101 is located at the outer side of the base 300, and the first busbar 101 is attached to the outer side of the base 300.
In this embodiment, the ends of the first busbar 101 and the second busbar 102 are provided with connecting holes, and nickel low tin plating is performed at the positions of the connecting holes to prevent the copper busbar from being oxidized in the air, wherein the first busbar 101 is provided with a ferromagnetic core 201 in a sleeved manner, so that an inductance can be formed, and the second busbar 102 is provided with a nickel-zinc core 200 and a ferromagnetic core 201, so that another inductance can be formed, thereby diversifying the inductance of the product and adapting to various harmonic currents.
Although embodiments of the present invention have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A high-current low-inductance high-superposition chopper inductor is characterized in that: comprising the following steps:
the copper bar (100) is composed of a first busbar (101) and a second busbar (102), wherein the first busbar (101) is arranged on the inner side of the second busbar (102), and a space is formed between the first busbar and the second busbar;
the magnetic core components are sleeved at the two ends and the middle position of the copper bar (100);
the base (300) is arranged at the bottom of the copper bar (100), and the magnetic core component at the middle position of the copper bar (100) is arranged at the inner side of the base (300).
2. The high-current low-inductance high-superposition chopped inductor according to claim 1, wherein: the magnetic core assembly comprises a nickel-zinc magnetic core (200) sleeved at the middle part of the busbar II (102), and further comprises a ferromagnetic magnetic core (201) sleeved at the two ends of the busbar I (101) and the busbar II (102).
3. The high-current low-inductance high-superposition chopped inductor according to claim 2, wherein: the nickel-zinc magnetic core (200) and the iron-silicon magnetic core (201) are composed of magnetic blocks which are vertically symmetrical, and a spacing piece is further arranged between the magnetic blocks which form the nickel-zinc magnetic core (200) and the iron-silicon magnetic core (201).
4. The high-current low-inductance high-superposition chopped inductor according to claim 2, wherein: the inside of base (300) is the cavity form, and this cavity form inside equidistance is provided with division board (300 d), is formed between every two division board (300 d) and places chamber one (300 a), nickel zinc magnetic core (200) are placed in the inside of placing chamber one (300 a), draw-in groove (300 b) have been seted up in the penetration of base (300) both ends, and this draw-in groove (300 b) is offered equally on division board (300 d), female row two (102) card is gone into in division board (300 d).
5. The high-current low-inductance high-superposition chopped inductor according to claim 4, wherein: the two ends bottom of base (300) is formed with integral type mount table, has seted up in the inside of mount table and has placed chamber two (300 c), ferromagnetic core (201) card is gone into place the inside in chamber two (300 c).
6. The high-current low-inductance high-superposition chopped inductor according to claim 5, wherein: limiting grooves (300 e) are formed in two sides of the top of the second placing cavity (300 c), and bending parts at two ends of the first busbar (101) and the second busbar (102) are connected with the limiting grooves (300 e) in a penetrating mode.
7. The high-current low-inductance high-superposition chopped inductor according to claim 6, wherein: the first busbar (101) is positioned at the outer side of the base (300), and the first busbar (101) is in a fit shape with the outer side surface of the base (300).
8. The high-current low-inductance high-superposition chopped inductor according to claim 1, wherein: and connecting holes are formed at the end parts of the first busbar (101) and the second busbar (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310236437.4A CN116386995A (en) | 2023-03-13 | 2023-03-13 | High-current low-inductance high-superposition chopper inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310236437.4A CN116386995A (en) | 2023-03-13 | 2023-03-13 | High-current low-inductance high-superposition chopper inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116386995A true CN116386995A (en) | 2023-07-04 |
Family
ID=86979813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310236437.4A Pending CN116386995A (en) | 2023-03-13 | 2023-03-13 | High-current low-inductance high-superposition chopper inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116386995A (en) |
-
2023
- 2023-03-13 CN CN202310236437.4A patent/CN116386995A/en active Pending
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