Portable experimental device with buck, boost and buck-boost chopper circuits

• Main Authors: WANG SUHUA, GUAN QINGXIN, WEI YONGQING, XU XIAOJIAN, ZHU PENG, FAN QINGCHUAN, YU FEI, HUANG YAXIN
• Format: Patent
• Language: Chinese; English
• Published: 11.10.2022
• Subjects: ADVERTISING; APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; ELECTRICITY; GENERATION; GLOBES; PHYSICS; PLANETARIA; SEALS

The invention relates to a portable experimental device with voltage reduction, voltage boosting and voltage boosting and reducing chopper circuits, which comprises a power supply circuit, a digital driving circuit and a main circuit, and is characterized in that the power supply circuit is connected with an external power supply input and is used for supplying power to the digital driving circuit; the digital driving circuit is connected with an external signal source input and is used for providing a driving signal corresponding to a voltage reduction function, a voltage boosting function or a buck-boost function for the main circuit; and the main circuit comprises a change-over switch and voltage reduction, voltage boosting and voltage boosting and buck-boost composite chopper circuits, is used for switching among the voltage reduction, voltage boosting and voltage boosting and buck-boost composite chopper circuits according to a channel selection state of the change-over switch, and is also used for opera