3 results about "Functional safety" patented technology

The invention belongs to the technical field of articles for daily use, and particularly discloses a calendar. The calendar comprises a plurality of bodies capable of matching different dates in a year, wherein the bodies are sequentially stacked; the bodies comprise left half areas and right half areas which are symmetrically arranged, and the right half areas are divided into gregorian calendarcolumns, lunar calendar columns, hint columns and memo columns from top to bottom; the left half areas comprise functional areas, and calligraphy contents of the functional areas of each body are different; code scanning areas are arranged at the bottom of the left half areas, and prefabricated two-dimensional codes are arranged in the code scanning areas; and the two-dimensional codes can be identified by mobile equipment of a user by scanning codes and linked to a specific website to watch a video of a calligrapher drawing the calligraphy. The calendar can overcome the defect that an existing calendar or a wall calendar has single function and cannot meet and improve the spiritual needs of the user.

The invention relates to a function safety monitoring development and demonstration system for major hazard source equipment and belongs to the technical field of function safety monitoring. The system comprises a safety control cabinet, a safe PLC (programmable logic controller) arranged in the safety control cabinet, a pattern touch terminal, safety input equipment, and safety output equipment, and also comprises a quadrangle frame and an apparatus layer which are connected into a whole up and down, a safety grating, a non-contact magnetic safety door, a mechanical safety door, an alarm device, an operation button, and a safety carpet, wherein the safety grating, the non-contact magnetic safety door and the mechanical safety door are arranged at three sides of the quadrangle frame; the alarm device is arranged above the quadrangle frame; the operation button is arranged on a panel of the apparatus layer; the safety carpet is arranged on the ground at one side of the quadrangle frame, and monitored high-speed rotation equipment is arranged inside the quadrangle frame. The system provides four effective protective measures, and problems that operating personnel enter into a danger area or various human injuries caused by misoperation are effectively avoided.