STO circuit control system

• Main Authors: TANG PENG, CAO LIYAN, GAO CHAOHUA, PENG BO
• Format: Patent
• Language: Chinese; English
• Published: 29.10.2021
• 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 embodiment of the invention discloses an STO circuit control system which is applied to elevator control so as to improve the safety of elevator control. The STO circuit control system in the embodiment of the invention comprises a safety circuit, an operation output relay, an STO circuit, a first control terminal and a motor, wherein the safety circuit includes a safety switch; the safety switch is connected with one end of a first normally-open contact of the operation output relay; the other end of the first normally-open contact is connected in series with the voltage input end of the STO circuit; the signal output end of the STO circuit is connected with the control terminal; the first control terminal is connected with the motor; and if the first control terminal detects an effective signal of the SIO circuit, the motor is driven to operate. 本申请实施例公开了一种STO电路控制系统，应用于电梯控制，以提升电梯控制的安全性。本申请实施例中的STO电路控制系统包括：安全电路、运行输出继电器、STO电路、第一控制终端和电机；安全电路包括：安全开关；安全开关与运行输出继电器的第一常开触头的一端相连；第一常开触头的另一端与STO电路的电压输入端串联；STO电路的信号