Redundant safety circuit protection device for parking equipment

• Main Authors: LUO XINGANG, ZHOU GUOWEI, WANG FEI, WANG BAO, LIAO XIFENG, ZHANG JIAYONG, SUN JIAN
• Format: Patent
• Language: Chinese; English
• Published: 04.06.2024
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The utility model discloses a redundant safety circuit protection device for parking equipment. Comprising a controller, an emergency stop switch, an upper limit protection relay, an anti-loose chain protection relay, a control power supply, a main contactor, an ascending contactor, a descending contactor, an electromagnet control contactor, a maintenance relay, a plurality of ascending and descending position contactors, a plurality of transverse displacement contactors, a plurality of thermal overload protectors, a plurality of upper limit switches and a plurality of descending loose chain switches, the upper limit switches are sequentially connected in series to form a rising limit loop; the descending loose chain switches are sequentially connected in series to form a loose chain detection loop; the thermal overload protectors and the emergency stop switches are sequentially connected in series to form an emergency stop thermal overload protector loop, and the output end of the emergency stop thermal over