Overload and short circuit protection circuit and electronic circuit breaker

• Main Authors: WEI MINGFEN, LI DING, CHEN XIAO, JI QINGXIANG
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION

The embodiment of the invention discloses an overload and short circuit protection circuit and an electronic circuit breaker. The overload and short circuit protection circuit comprises an overload detection circuit, a short circuit detection circuit and a driving circuit, the input end of the overload detection circuit is connected with the current sampling circuit; the input end of the short circuit detection circuit is connected with the current sampling circuit; the first input end of the driving circuit is connected with the output end of the overload detection circuit, and the second input end of the driving circuit is connected with the output end of the short circuit detection circuit. The circuit does not need a single-chip microcomputer, achieves overload and short circuit protection functions, and is high in response speed, stable, reliable and low in cost. 本发明实施例公开了一种过载与短路保护电路及电子断路器，该过载与短路保护电路包括过载检测电路、短路检测电路以及驱动电路；所述过载检测电路的输入端与电流采样电路连接；所述短路检测电路的输入端与电流采样电路连接；所述驱动电路的第一输入端与所述过载检测电路的输出端连接，所述驱动电路的第二输入端