COMPONENT FORMING AT LEAST ONE INDUCTANCE FOR AN ELECTRICAL CIRCUIT

FR3083364B1Active Publication Date: 2025-01-10VALEO SYSTEMES DE CONTROLE MOTEUR SAS
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Patent Information

Application Number
FR2018056077
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2018-07-02
Publication Date
2025-01-10
Estimated Expiration
2038-07-02

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Abstract

Component (1) forming at least one inductance, the component comprising: - a structure (4) of a magnetically conductive material, - a portion (2) of a printed circuit board assembled with the structure (4) and containing at least one electrically conductive trace (3), and - at least one bus bar (6) fixed to the portion (2) of the printed circuit board, the bus bar (6) and the electrically conductive trace (3) of the portion (2) of the printed circuit board being arranged relative to each other so as to form an electrically conductive element cooperating with the structure (4) of magnetically conductive material to form the inductance.
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Claims

Claims 1. Component (I) forming at least one inductance, the component comprising: - at least one structure (4) made of a magnetically conductive material, - a portion (2) of printed circuit board assembled with the structure (4) and containing at least one electrically conductive track (3), and - at least one bus bar (6) fixed on the portion (2) of the printed circuit board, the bus bar (6) and the electrically conductive track (3) of the portion (2) of the printed circuit board being arranged relative to each other so as to form an electrically conductive element cooperating with the structure (4) made of magnetically conductive material to form the inductance. the bus bar (6) and the electrically conductive track (3) being electrically connected in parallel.

2. Component according to claim 1, the bus bar (6) and the electrically conductive track (3) being superimposed in a direction perpendicular to the plane of extension of the portion (2) of printed circuit board, 3. Component according to claim 2, the portion (2) of printed circuit board comprising several electrically conductive tracks superimposed in a direction perpendicular to the plane of extension of this portion (2) of printed circuit board, the bus bar (6) being superimposed with these electrically conductive tracks (3) in said direction.

4. Component according to one of claims 1 and 2, the structure (4) made of magnetically conductive material comprising: a base (7), a cover (8) and a junction wall (10) between the base (7) and the cover (8), the base (7) being arranged on a first side of the portion (2) of printed circuit board and the cover (8) being arranged on a second side of the portion (2) of printed circuit board.

5. Component according to any one of the preceding claims, the bus bar (6) and the electrically conductive track (3) each defining several successive turns around an axis perpendicular to the plane of extension of the portion of printed circuit board.

6. Component according to claims 4 and 5, the junction wall (10) comprising a leg (11) extending without discontinuity between the base (7) and the cover (8), and the bus bar (6) and the electrically conductive track (3) each defining several successive turns around this leg (11).

7. Component according to any one of the preceding claims, the electrically conductive element formed by the bus bar (6) and the electrically conductive track (3) cooperating with the structure (4) made of magnetically conductive material to form several distinct inductances.

8. Component according to any one of the preceding claims, the portion (2) of printed circuit board carrying at least one capacitor (25) cooperating with the inductance to form an LC filter.

9. Component according to any one of the preceding claims, comprising a current measuring shunt (30), one end (16, 17) of the bus bar (6) being connected to the corresponding end (13, 14) of the electrically conductive track (3), and these ends connected together being connected to the shunt (30) to form a connection to another component of the electrical circuit, the shunt (30) being carried in particular by the portion (2) of the printed circuit board.

10. Component according to claim 9, the shunt (30) being carried by the portion (2) of printed circuit board and spanning the electrically conductive track (3).

11. Method for producing at least one inductor, comprising the steps of: - assembling a structure (4) made of magnetically conductive material with a portion (2) of printed circuit board, this portion (2) of printed circuit comprising at least one electrically conductive track (3), - fixing at least one bus bar (6) on the portion (2) of the printed circuit board, after having arranged this bus bar (6) relative to the electrically conductive track (3) so as to form an electrically conductive element cooperating with the structure (4) made of magnetically conductive material to form the inductance, the bus bar (6) and the electrically conductive track (3) being electrically mounted in parallel.

12. Method according to claim 11, in which the bus bar (6) is fixed, in particular soldered, to the electrically conductive track (3) of the portion (2) of the printed circuit board.