Building Equipment Monitoring System (Building Automation BA) Solution

I. Overview of BA System

Building Automation Control System, also known as the BA system in the industry, is a distributed control system designed based on modern distributed control theory. It connects system controllers distributed across various monitoring sites through a network system to collectively achieve a comprehensive automation system with centralized operation management and decentralized control.

The Building Automation System is a comprehensive system specifically designed for the centralized management and monitoring of various mechanical and electrical equipment within a building.

The Building Automation System (BA) provided by our company is a building management and control system that centrally monitors, manages, and decentralizes the operation, safety status, energy usage, and energy-saving management of numerous dispersed equipment, such as HVAC, water supply and drainage, power supply and distribution, elevators, and heating systems, within a building or building complex.

It is a system platform that makes building management smarter, more convenient, and more efficient, helping building operators improve operational efficiency and standards, reduce maintenance costs, and achieve comprehensive results in safety, comfort, and energy savings.

II. BA System Structure

The system consists of three layers: the basic perception layer, the core convergence layer, and the display analysis layer. Leveraging VAI's powerful communication and expansion capabilities, it enables rapid integration of third-party systems. To date, it has integrated over 20 subsystems. By setting up different strategy groups, users can flexibly define strategies and scenario modes, making the daily maintenance schedule clear at a glance. Without any programming, users can drag and drop subsystems, set linkage conditions and actions, achieving arbitrary coordination of equipment and enhancing overall comprehensive management capabilities.

Compared to ordinary building control platforms, it changes the situation of single systems and multiple subsystems operating independently, achieving cross-system linkage control, as well as data decision-making, intelligent algorithms, and ecological services. This enables buildings to achieve intelligent control, smart management, and interconnectivity, creating a more comfortable, healthy, convenient, and energy-efficient living and working environment for people.

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III. BA Monitoring Scope

The Building Automation System mainly includes air conditioning systems, water supply and drainage systems, power supply and distribution systems, lighting systems, elevator systems, cold and heat source monitoring systems, supply and exhaust air monitoring systems, and fan coil unit monitoring systems.

1. Air Conditioning System Monitoring Function: The air conditioning system in an intelligent building refers to equipment such as air handling units, fresh air units, variable air volume units, and fan coil units.

2. Supply and Exhaust Air System Monitoring Function: The supply and exhaust air systems within the building are uniformly managed and can be operated by DDC controllers according to pre-set time programs. Many monitoring and control functions are implemented this way, such as supply fan control, exhaust fan control, and alarm functions.

3. Lighting System Monitoring Function: Lighting within the building is also one of the projects managed intelligently. Real-time monitoring of lighting is primarily for better energy savings, using pre-arranged time programs to automatically control lighting. Examples include public area lighting monitoring, residential area lighting monitoring, office area lighting monitoring, and emergency lighting.

4. Elevator System Monitoring Function: In building monitoring, the focus is on monitoring ordinary passenger elevators and escalators. The monitoring scope typically includes elevator start/stop control, operational status, elevator door status, floor indication, fault alarms, and emergency alarms.

5. Power Supply System Monitoring Function: The power supply within the building is an important indicator of the service quality of an intelligent building. It usually involves monitoring the power supply transformers, high-voltage side parameters, and low-voltage side parameters. Different monitoring functions serve different purposes, but each is essential.

6. Water Supply and Drainage System Monitoring Function: The water supply and drainage system consists of domestic water supply and sewage discharge. For water supply, the main focus is on constant pressure water supply, indicating and alarming sewage pool liquid levels, and timed cyclic operation of various water supply and drainage pumps. The number of users is accommodated by frequency converters adjusting the frequency to adapt to the water supply flow.

7. Refrigeration Station System Monitoring Function: The refrigeration station provides a cold source for the building's air conditioning system. It consists of refrigeration units, cooling water circulation pumps, cooling towers, chilled water circulation pumps, makeup water pumps, and electric butterfly valves.

8. Heating Station System Monitoring Function: The heating station provides a heat source for the building's air conditioning system. It consists of boilers, plate heat exchangers, chilled water circulation pumps, makeup water pumps, and electric butterfly valves.