Energy-saving renovation solution for air conditioning using power line carrier technology.

Power Line Carrier Technology for Air Conditioning Energy-saving Retrofit Solution with Wireless WiringEasy Construction

Yachuan Company is a high-tech enterprise engaged in the research, development, production, and sales of intelligent power monitoring and electrical safety systems for the user end of smart grids. It has independently developed energy-saving controllers for fans, elevators, water pumps, heat exchange systems, chilled water pumps, cooling towers, hot water circulation pumps, chillers, fresh air handling units, active power filters (APF), static var generators, arc protection devices, as well as smart power usage systems, wireless temperature measurement systems, intelligent lightning surge warning monitoring systems, intelligent power distribution monitoring systems, electrical fire monitoring systems, fire equipment power supply monitoring systems, building automation (BA), building equipment energy management systems, energy consumption management systems, prepaid management systems, air quality monitoring systems, end-use power protection and management systems, residual pressure monitoring systems, computer room power and environment monitoring systems, intelligent substation and distribution room centralized environment monitoring systems, intelligent lighting monitoring systems, air conditioning energy-saving retrofits, smart micro-break energy-saving retrofits, and integrated strong and weak current solutions, providing customers with excellent solutions and product services to improve power efficiency and safety.

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I. High Reliability of Air Conditioning Billing Management System

1. The air conditioning billing management system adopts a decentralized control and centralized management structure. Even if a controller or line in part of the system network is damaged, it will not affect the operation of the entire system. The system will immediately issue an alarm for the faulty area. Even if the central control station fails, the field controllers can still operate normally, and the system can continue running.

2. All sensors, actuators, transmitters, and computers in the air conditioning billing management system are selected from renowned brands, with excellent performance, high reliability, and outstanding energy-saving effects.

3. By controlling fan coil units, the air conditioning billing management system regulates air output and temperature settings. Starting fans based on actual usage can significantly save electricity, water, and steam, achieving higher economic benefits.

4. The control and display functions of the air conditioning billing management system include (password system, control point summary, control point alarms, system energy-saving control status, control point history, trend records, dynamic display of key adjusted parameters).

II. Software Advantages of the Air Conditioning Billing Management System

The air conditioning billing management system software is配套 software for fan coil thermostats, capable of real-time monitoring of temperature, fan speed, valve status, etc., in each monitored room. It can complete network configuration management and maintenance graphical software: simulating the status of thermostats on-site, allowing users to select and control thermostats as needed. It also performs equivalent billing based on actual usage time, achieving overall billing functionality. Specific functions include:

1. Trend records: Can be divided into historical and dynamic types. Dynamic graphical trends display multiple points simultaneously with a sampling rate of 5 seconds to 3 minutes. Historical trends display multiple points simultaneously with a sampling rate of 10 seconds to 1 hour.

2. Time and event-triggered programs: Used to trigger system and point alarms, start interaction programs, and schedule equipment operating times.

3. Alarm management: When monitored point equipment fails, the computer emits an alarm sound through the sound card and speakers and flashes a red alarm indicator on the screen.

4. Rich monitoring resources: Real-time response: All monitored point data is transmitted within seconds.

5. System stability: The database backend uses SQL databases, ensuring stable operation and high reliability.

6. Serial and parallel connection of multiple unit-type intelligent controllers: Monitors the status of various air conditioning equipment, forming a complete air conditioning monitoring system. Can be configured for distributed or centralized control. Supports remote monitoring and cross-regional communication.

7. Human-machine interface of the monitoring system: Graphical display and operation, dynamic working condition display, pop-up sound and graphic alarms, complete historical records.

8. Integrated report data and charts: Provides query functions for monitoring status records. Query results can be filtered and output as reports, generating bar charts, pie charts, line graphs, etc.

9. Real-time monitoring: Through the intelligent controller communication interface, real-time monitoring of air conditioning operating status parameters, with remote setting and switching of air conditioning. Remote centralized monitoring of various parameters of central air conditioning hosts and pipeline system equipment via computer, such as temperature, humidity, pressure, current, switch signals, etc.

10. Remote control: With corresponding hardware and software, equipment can be remotely controlled via computer, achieving automation and rationalization of equipment management, improving efficiency, and reducing maintenance costs.

11. Historical storage: Various parameters can be stored as historical records in the database for later query, analysis, and statistics. Storage time and status can be customized according to user needs.

12. Centralized monitoring: Centralized monitoring of equipment environments ensures normal operation in unattended settings. Additional observation points can be set up in areas without human intervention using the network.

13. On-site simulation: Using on-site configuration diagrams as backgrounds, real-time display of values and statuses of monitored points. Users can click to view detailed information. Monitored point locations and corresponding equipment can be customized according to on-site requirements.

14. Trend curves: Based on historical storage records, automatically generate historical operating curves of monitored parameters, which can be printed or saved as image files.

15. Real-time alarms: When monitored point equipment fails, the computer emits an alarm sound through the sound card and speakers and flashes a red alarm indicator on the screen. Displays equipment status with colors to notify staff of faulty equipment addresses and operating parameters.

16. Data reconstruction: Function to confirm required project indicators for the system. Users can select indicator items for the database to be built. For special requirements, indicators can be modified or added, meeting users' flexible database construction needs.

17. Composite query: Users can set multiple query conditions to find target information.

18. Energy-saving operation: The system automatically switches to energy-saving operation mode based on user-set equipment switching requirements, providing accurate real-time start/stop sequences and special start/stop operations.

19. Start/stop all equipment: The system can start or stop all equipment as needed by the user.

20. Data output: All table data and query results can be output as Excel files.

21. Password protection: Multi-level operator security management with password LOGIN function.

22. Operation billing: The system records the startup time of each monitored point, which can be used as a billing parameter.

23. Area management: The system can set monitored point areas and partition management according to user needs, improving system utilization.

III. Highlights of Carrier Control

1. Utilizes power line communication, eliminating the need for additional signal wiring.

2. Uses voltage from power lines to power valve actuators, integrating communication and control. This is unmatched by dedicated lines, wireless, network, or fiber optic communication technologies, especially for group control with few, non-centralized, and dispersed points.

IV. Keywords

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