Grounded live detection circuit
This invention pertains to a control chip for an electric water heater, specifically a voltage-limiting time base circuit grounding electrification detection interface, which falls under the domain of detection technology. It includes a grounded live detection circuit. The feature is that the time base circuit grounding electrification detection circuit consists of a transformer, a full-wave rectifier circuit, and a time base circuit. The transformer connects to the neutral and ground lines and is linked to the input end of the time base circuit via a rectifying circuit. The output terminal of the time base circuit is connected to the input end of the single-chip microcomputer in the electric water heater control device, forming a grounding electrification detection interface of the voltage-limiting time base circuit along with the single-chip detection program.
The advantage of this utility model lies in overcoming the grounding electrification detection interface in the original electric water heater control device. With this design, the power supply to the heating element of the electric water heater can be cut off in real-time through the single-chip microcomputer control device when the ground line is charged, thus preventing personal security violations for users.
In addition to these technical details, it's worth noting that this detection system not only enhances safety but also improves the overall efficiency of the electric water heater. By integrating advanced microcontroller units like the STM32L151CCU6, the system achieves precise control over various parameters, including voltage and current management. Furthermore, the use of high-quality components such as the GW MB10F rectifier bridge ensures long-term reliability and performance stability.
From a broader perspective, this innovation represents a significant advancement in home appliance safety standards. It addresses critical concerns regarding electrical hazards, particularly in environments where grounding may be compromised. By leveraging modern semiconductor technologies and robust circuit designs, this solution offers a reliable means of protecting both equipment and individuals from potential risks associated with improper grounding.
Looking ahead, similar approaches could be applied to other household appliances, expanding their scope beyond just water heaters. This would contribute to creating safer living spaces while promoting energy-efficient practices. As society becomes increasingly aware of environmental issues and sustainability challenges, such innovations will play an essential role in shaping future technological developments.
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