Motor driving device and swing device thereof

Abstract

The invention discloses a motor driving device and a swing device thereof. The motor driving device comprises a shell and a transmission shaft; the transmission shaft is connected with a motor shaft;a part of shaft section of the transmission shaft is positioned in the shell; the motor driving device further comprises an optical seat and an optical reflection assembly which are arranged in the shell. The optical reflection assembly is provided with an optical reflection element. The transmission shaft penetrates through the optical seat and extends out; a rotating gap is formed between the transmission shaft and the optical seat; the left side and the right side of the optical seatare each provided with a set of optical sensors, each set of optical sensors is provided with a transmittingend and a receiving end, the transmission shaft extends out of the optical base and then is connected with the optical reflection assembly, and the transmission shaft drives the optical reflection assembly to rotate synchronously when rotating around the first direction relative to the optical base. The invention further discloses a swing device of the device.

Description

technical field [0001] The invention relates to a swing device, in particular to a motor drive device and a swing device thereof. Background technique [0002] The swing device for infants has both the functions of a bed and a rocking bed, which can be used for infants to sleep and can be rocked for infants, so it is favored by consumers. [0003] The control of the swing device is realized by the swing of the swing arm of the swing device, and the swing arm is controlled by a motor drive device. Therefore, as a motor drive device for controlling the swing arm, it is very important. The motor drive device must be able to ensure that the swing arm of the swing device The swing amplitude of the swing arm exactly reaches the preset swing angle, and the swing amplitude of the swing arm can be detected, so that the swing amplitude of the swing device meets the requirements. [0004] The motor drive device of the existing swing device mostly uses a grating sheet to control the sw...

AI Technical Summary

Problems solved by technology

[0004] Most of the motor drive devices of the existing swing devices use gratings to control the swing angle. Using the grating structure not only makes the structure of the motor drive device complex and bulky, but also cannot accurately control the swing angle.

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