Printed circuits for securing the connection of electric motors and electric motors including printed circuits

A technology for printed circuits and motors, applied in the directions of printed circuits, printed circuits, printed circuit components, etc., can solve the problems of increasing the weight, volume and cost of the motor environment

Inactive Publication Date: 2018-02-09
ALDEBARAN ROBOTICS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Shields generally include additional metal parts and thus tend to add weight, bulk and cost to the motor environment

Method used

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  • Printed circuits for securing the connection of electric motors and electric motors including printed circuits
  • Printed circuits for securing the connection of electric motors and electric motors including printed circuits
  • Printed circuits for securing the connection of electric motors and electric motors including printed circuits

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Most rotating electric machines have overall an outer surface in the form of a cylindrical section bounded by two planes. The axis of rotation of the motor is the shaft of the cylinder and the motor wiring is made on one of the two planes by tongues to which the power cord can be connected, for example by welding or via a connector. Hereinafter, the term "motor power cord" shall include any connection means for a motor to ensure its power supply, such as a flexible printed circuit. One of the two planes and the cylindrical portion may be formed by a metal casing. The second plane may be made of plastic material through which the motor wiring is left.

[0028] figure 1 A single sided printed circuit 10 is shown for fixing to the motor to ensure its electrical connection. It is contemplated that a single-sided printed circuit be formed from an insulating substrate with one side receiving conductive traces. Thus, realization of a single-sided printed circuit enables re...

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PUM

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Abstract

The invention relates to an electric motor and a printed circuit for ensuring electrical connection of the electric motor. The printed circuit comprises: a central part (11) for covering a first face (45) of the motor (40); a flexible tongue (12) extending from the central part (11) and for partially covering the motor ( 40) of the second face (42) and electrically connected to the second face (42); a first pair of terminals (13a, 13b), which is used to receive wires (46, 47) from the motor (40); Two pairs of terminals (14a, 14b) for receiving power wires from the motor; traces (15a, 15b), each connecting a terminal of the first pair of terminals (13a, 13b) to a second The terminals in the pair of terminals (14a, 14b) are connected; the filter capacitor (18), which is connected between the traces (15a, 15b); and the ground plane (19), which covers the center part (11) and the flexible The majority of the tongue (12), the ground plane (19), is configured to be electrically connected to the metal part forming the second face (42) of the motor (40).

Description

technical field [0001] The invention relates to electric motors and printed circuits for ensuring electrical connection of the electric motors. [0002] The invention is particularly applicable to electric motors having brushes powered by direct current, but it can equally be implemented for any type of electric motor. Background technique [0003] DC motors are sources of electromagnetic noise. Electromagnetic interference is well known in the literature as EMI (stands for "Electromagnetic Interference"), which can be emitted by the terminals of the motor and the power supply lines of the motor. These disturbances can interfere with other electrical equipment located in the vicinity of the electric motor, disrupting both analog and digital equipment. [0004] The biggest source of electromagnetic interference is the commutation of the motor brushes. At each commutation, when the brushes break their contact with the segments, energy stored in the motor windings in the for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K1/02H02K11/02
CPCH02K2203/03H05K1/0231H05K1/028H05K1/118H05K2201/053H05K2201/0715H05K2201/10015H02K11/026H02K11/028H02K11/02H05K1/02
Inventor V·克莱尔
Owner ALDEBARAN ROBOTICS SA
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