Smart safety helmets in smart construction sites can solve various problems. Here are some common problems and the application of smart safety helmets:

Worker safety monitoring: Smart safety helmets are equipped with various sensors and cameras to monitor the safety status of workers in real time. For example, the built-in heart rate sensor can monitor changes in the workers' heart rate, and if the heart rate is abnormal or too high, the system can automatically issue an alert. Cameras can be used to detect whether workers are wearing other necessary safety equipment, such as safety goggles or earplugs.

Fall detection: Smart safety helmets can use built-in accelerometers and gyroscopes to detect if a worker has fallen. If a worker falls, the safety helmet will automatically trigger an alert and send location information to the rescue team for timely assistance.

Environmental monitoring: Smart safety helmets can detect environmental conditions in the workplace, such as gas concentration, temperature, and humidity. If the environmental conditions exceed the safe range, the safety helmet can send alerts to workers, reminding them to take necessary measures.

Real-time communication and positioning: Smart safety helmets can communicate wirelessly with other devices or smart construction site systems, enabling real-time communication among workers. Additionally, the safety helmet can use GPS or other positioning technologies to track the location of workers for accurate positioning and emergency rescue when needed.

Data recording and analysis: Smart safety helmets can record workers' activity data, such as working hours, work locations, and work intensity. These data can be used to analyze work processes, evaluate work efficiency, and improve working conditions.

In summary, the application of smart safety helmets in smart construction sites can enhance worker safety, monitor and respond to potential hazards in real time, and provide valuable data on work environments and worker activities to the management team. These functionalities contribute to reducing accident risks, improving overall safety, and enhancing efficiency on construction sites.