Short circuit protection circuit, drive system, and robot

• Main Authors: LIN KANGHUA, ZHANG GUOZHU, ZHONG WENJIN
• Format: Patent
• Language: Chinese; English
• Published: 09.04.2024
• Subjects: CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The utility model discloses a short circuit protection circuit, a driving system and a robot, the short circuit protection circuit is applied to the driving system, and the circuit comprises a sampling module, a trigger module and a switch module; wherein the sampling module is used for generating sampling voltage according to bus current of a driving system; the trigger module is connected with the sampling module and is used for generating a trigger signal when the sampling voltage is greater than a short-circuit threshold value; the switch module is connected with the trigger module, and the switch module is used for controlling a path between the control module of the driving system and the driving module to be disconnected when receiving the trigger signal, so that a short-circuit fault existing in the driving system can be accurately detected through the sampling voltage collected by the sampling module, and the driving module is timely closed to work; the circuit is simple in structure, can effectively