With the rapid development of information technology and the increase in urban management and service requirements, smart buildings have been vigorously built due to their advantages of high energy-saving, low operating costs, high automation, and excellent security performance. Building intelligence will gradually become a trend in the construction industry, and related technologies related to smart buildings are also attracting attention. The basic concept of smart buildings is through the building automation system, the use of computers, information and communication technology, the latest technology, so that the building's power, air conditioning, lighting, disaster prevention, anti-theft, transport equipment and other coordination work to achieve building automation, communications The building environment of automation, office automation, security and automation, and fire automation make the buildings safe, convenient, efficient, and energy-saving. The security system occupies an important position in the entire system as part of the building automation system. Security monitoring not only can effectively complete the monitoring tasks, but also is not affected by the climate, replacing the supervisors' work in bad weather and improving work efficiency. The security system generally includes such major subsystems as anti-theft, access control, perimeter prevention, and fire. In many security content, floods are also an important part that cannot be ignored. There are many pipelines in the intelligent buildings. The heating and cooling water pipelines are distributed among the floors, and water pipes such as domestic water and fire-fighting water are used. Once a water leak occurs, all work will not be carried out normally, resulting in unnecessary losses. In addition, once the elevator is leaking, it may cause the elevator to malfunction and damage the elevator. In severe cases, electric shocks and other safety accidents may occur. Xiangshui leak detection system can monitor the leakage of water in the intelligent buildings such as central air-conditioning systems, fire hoses, domestic water pipes, etc. Once a leak occurs, it can be accurately detected and notified by the monitoring system to inform the staff. Drainage equipment can be linked to control the closure of the valve; if there is a wide distribution of hidden dangers of leakage, it is also necessary to locate and monitor the specific location of the leakage in order to quickly find the leakage point and deal with it in time to avoid causing huge losses.
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