CN212367070U - Filter - Google Patents
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- CN212367070U CN212367070U CN202021483152.9U CN202021483152U CN212367070U CN 212367070 U CN212367070 U CN 212367070U CN 202021483152 U CN202021483152 U CN 202021483152U CN 212367070 U CN212367070 U CN 212367070U
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- Prior art keywords
- magnetic core
- mounting groove
- casing
- electric capacity
- copper bar
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 239000003292 glue Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 5
- 239000003990 capacitor Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The utility model discloses a filter, which comprises a housin, be provided with the magnetic core mounting groove along central symmetry on the casing, be provided with the electric capacity mounting groove on the casing between the magnetic core mounting groove, install I magnetic core and E magnetic core in the magnetic core mounting groove in proper order, be provided with electric capacity in the electric capacity mounting groove, the casing both sides all are provided with positive negative pole copper bar, the casing bottom is provided with the ground connection copper bar. The utility model discloses a single-stage LCL structure, compact structure, occupation space is little, highly integrated structure, and the installation is simple, and filtering performance is excellent, and applicable platformity is good.
Description
Technical Field
The utility model relates to a machine controller anti-electromagnetic interference's device, concretely relates to wave filter.
Background
Most of common filters in the current market are single-stage LC filtering or multi-stage series filtering structures, and the multi-stage discrete filtering structure has multi-stage filtering, discrete structure and large occupied space; the installation is complex, and the requirement on the installation of a motor controller production line is high; the platform has small applicability.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the invention aims to provide a filter, which solves the problems of discrete structure, large occupied space and complex installation of the conventional multistage discrete filtering structure.
The technical scheme is as follows: wave filter, which comprises a housin, be provided with the magnetic core mounting groove along central symmetry on the casing, be provided with the electric capacity mounting groove on the casing between the magnetic core mounting groove, install I magnetic core and E magnetic core in the magnetic core mounting groove in proper order, be provided with electric capacity in the electric capacity mounting groove, the casing both sides all are provided with positive negative pole copper bar, the casing bottom is provided with the ground connection copper bar.
In order to provide the magnetic core pressing force, the magnetic core is pressed in the groove by the elastic sheet clamped on the magnetic core mounting groove.
The shell is a plastic shell.
Common mode interference of harmonic current and differential mode interference of wave current are eliminated, and the capacitors comprise an X capacitor and a Y capacitor.
Has the advantages that: the utility model discloses a single-stage LCL structure has replaced the LCLC combination of original single-stage electric capacity and inductance magnetic core, compact structure, and occupation space is little, and highly integrated structure, the installation is simple, and filtering performance is excellent, and applicable platformity is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the mounting structure for disassembling the utility model.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-2, the filter comprises a plastic housing 6, two magnetic core mounting grooves are symmetrically arranged on the plastic housing 6 along the center, three parallel capacitor mounting grooves are arranged on the housing between the two magnetic core mounting grooves, an I magnetic core 4 and an E magnetic core 5 are sequentially arranged in the magnetic core mounting grooves from bottom to top, an X capacitor 3 is arranged in the capacitor mounting groove in the middle of the three parallel capacitor mounting grooves, Y capacitors 2 are arranged in the capacitor mounting grooves on both sides, a positive copper bar 7 and a negative copper bar 8 are arranged on both sides of the plastic housing, a grounding copper bar 9 is arranged at the bottom of the housing, an elastic sheet 1 is clamped on the magnetic core mounting groove to tightly press the magnetic core in the groove, an E magnetic core and the I magnetic core, the E magnetic core and the elastic sheet and the I magnetic core and the plastic housing are bonded by a bonding glue 10, wherein the X capacitor is used for eliminating differential mode interference, the I magnetic core is used for reducing electromagnetic conduction interference generated by the inverter, the positive copper bar is connected with the positive pole of the high-voltage circuit, and the negative copper bar is connected with the negative pole of the high-voltage circuit.
In use the utility model discloses the time, the utility model discloses can effectively place in machine controller high-pressure loop, filter the electromagnetic interference that the harmonic of dc-to-ac converter produced, the purpose of filtering reduces conducted interference to a certain extent, is about to disturb below the frequency spectrum restraines the limit value of standard regulation.
Claims (5)
1. The utility model provides a filter, its characterized in that, includes casing (6), be provided with the magnetic core mounting groove along central symmetry on the casing, be provided with the electric capacity mounting groove on the casing between the magnetic core mounting groove, install I magnetic core (5) and E magnetic core (4) in the magnetic core mounting groove in proper order, be provided with electric capacity in the electric capacity mounting groove, the casing both sides all are provided with positive negative pole copper bar, the casing bottom is provided with ground copper bar (9).
2. The filter according to claim 1, characterized in that the core mounting groove is clamped with a spring sheet (1) to press the core into the groove.
3. A filter according to claim 1, characterised in that the I-core (5) and the E-core (4) are glued by means of a glue (10).
4. The filter of claim 1, wherein the housing is a plastic housing.
5. A filter according to claim 1, characterised in that the capacitances comprise an X capacitance (2) and a Y capacitance (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483152.9U CN212367070U (en) | 2020-07-24 | 2020-07-24 | Filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021483152.9U CN212367070U (en) | 2020-07-24 | 2020-07-24 | Filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212367070U true CN212367070U (en) | 2021-01-15 |
Family
ID=74131486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021483152.9U Active CN212367070U (en) | 2020-07-24 | 2020-07-24 | Filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212367070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225038A (en) * | 2021-03-29 | 2021-08-06 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
| CN113472193A (en) * | 2021-07-19 | 2021-10-01 | 一巨自动化装备（上海）有限公司 | Integrated filtering assembly |
-
2020
- 2020-07-24 CN CN202021483152.9U patent/CN212367070U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225038A (en) * | 2021-03-29 | 2021-08-06 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
| CN113225038B (en) * | 2021-03-29 | 2024-03-29 | 洛坦电子科技(上海)有限公司 | Filtering device for inverter |
| CN113472193A (en) * | 2021-07-19 | 2021-10-01 | 一巨自动化装备（上海）有限公司 | Integrated filtering assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 2 Gangcheng Road, Economic Development Zone, Nanjing City, Jiangsu Province, 210046 Patentee after: WEIRAN (NANJING) POWER TECHNOLOGY CO.,LTD. Country or region after: China Address before: No.2 Gangcheng Road, Longtan Town, Qixia District, Nanjing City, Jiangsu Province, 210046 Patentee before: WEIRAN (NANJING) POWER TECHNOLOGY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |