Abstract: The present invention discloses a shredding device. The shredding device according to one or more embodiments of the present invention comprises: a shredding body for shredding materials; a frame for supporting the shredding body; and a power supply device that provides electric power to the shredding body. The shredding body comprises a housing, and the housing is provided with a power supply chamber for accommodating at least part of the power supply device. The shredding device according to the present invention features a compact structure, and is easy and safe to operate.

Abstract: The present invention discloses a shredding mechanism, a shredding device and a control system and method thereof. The shredding mechanism comprises a shredding component and an adjusting component, wherein the shredding component is used to shred materials, the adjusting component and the shredding component define an operation space for shredding operation, and the adjusting component and the shredding component are configured to be able to move relative to each other so as to change the size of the operation space. The present invention also discloses a shredding device and a control system and method thereof. The shredding mechanism and device according to the present invention feature improved safety, convenience and service life.

Abstract: A power line carrier control module includes a microcontroller, an optical coupling isolation unit, a digital input unit, a buffer unit, a digital output unit, an analog-to-digital conversion (ADC) unit, an analog input unit, a digital-to-analog conversion (DAC) unit, an analog output unit, a first power line carrier module and a second power line carrier module. The power line carrier control module can be applied to power line carrier controllers in fields of street light control or industrial control to achieve effects of cross-phase and cross-meter operations in AC 12V to 440V power loops.