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
CN103797899BInactive Publication Date: 2018-02-09ALDEBARAN ROBOTICS SA
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Patent Information

Authority / Receiving Office
CN Ā· China
Patent Type
Patents(China)
Current Assignee / Owner
ALDEBARAN ROBOTICS SA
Publication Date
2018-02-09
Estimated Expiration
Not applicable Ā· inactive patent

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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).
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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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