HVAC

Running .mo Files in Modelica/Dymola via Python

by
Running .mo Files in Modelica/Dymola via Python

Click the above to follow discussions on HVAC-related technologies. In the documentation for the Python interface of Modelica, the first example is DymolaExample.py. The syntax for running a .mo file is as follows: # Call a function in Dymola and check its return value result = dymola.simulateModel( “Modelica.Mechanics.Rotational.Examples.CoupledClutches”) Here, Modelica.Mechanics.Rotational.Examples.CoupledClutches is the fully qualified name … Read more

The Importance of Sensors in HVAC Systems

by
The Importance of Sensors in HVAC Systems

The importance of sensors in Heating, Ventilation, and Air Conditioning (HVAC) systems is irreplaceable. They act as the “sensory nerves” of the system, responsible for real-time monitoring of environmental parameters and equipment status, providing a solid data foundation for intelligent control. Their core value is mainly reflected in the following aspects: 1. Precise Monitoring of … Read more

Analysis of the Importance of Data Center Infrastructure to IT Room Operation and Maintenance Environment

by
Analysis of the Importance of Data Center Infrastructure to IT Room Operation and Maintenance Environment

Abstract: This article combines the operation and maintenance environment example of the Southwest Shandong Big Data Center, introducing the impact of infrastructure such as air conditioning and fresh air, power supply and distribution, lightning protection and grounding, fire protection and safety assurance, information networks and wiring, system monitoring, and water supply and drainage on IT … Read more

HVAC Design | Setting and Design Calculations of Building Smoke Control Systems

by

1. Mechanical Pressurized Air Supply System and Its Components Setup1. System Setup Requirements(1) For buildings with a height greater than 100m, the mechanical pressurized air supply system in the smoke-proof stairwell and its foyer should be vertically segmented and independently set, and the service height of each segment should not exceed 100m.(2) Unless otherwise specified, … Read more

Eight Major Applications of IoT in Smart Buildings

by
Eight Major Applications of IoT in Smart Buildings

Nowadays, the new generation of smart devices allows Building Management Systems (BMS) to easily monitor and optimize building performance, while leveraging the power of the Internet of Things (IoT) to quickly identify potential issues.This article will reveal what the IoT is and how it works; it will also introduce eight use cases of smart buildings … Read more

Common Sensors Used in HVAC Units

by
Common Sensors Used in HVAC Units

Common equipment in HVAC systems includes air conditioning units, which function to remove hot air from indoors using a water system, achieving ideal indoor temperature and humidity. During this process, several sensors are utilized, such as: water temperature sensors, air differential pressure switches, duct temperature sensors, duct temperature and humidity sensors, CO sensors, and CO2 … Read more

Bosch’s $8 Billion Acquisition: A Strategic Move in the Smart Home Arena

by
Bosch's $8 Billion Acquisition: A Strategic Move in the Smart Home Arena

Recently, the German industrial giant Bosch Group announced the completion of its acquisition of Johnson Controls’ residential and light commercial HVAC business for $8 billion (approximately €7.4 billion), marking the largest acquisition in Bosch’s 137-year history. This acquisition also includes the equity of the Johnson Controls-Hitachi Air Conditioning joint venture, signaling a reshaping of the … Read more

Top Ten Technological Trends in the HVAC Industry for 2025

by
Top Ten Technological Trends in the HVAC Industry for 2025

The advancements in the HVAC field are changing the way people manage indoor environments. The integration of smart technologies allows users to adjust temperature, humidity, and air quality settings from anywhere. Smart systems also utilize sensors and data analytics to optimize energy efficiency while reducing costs and environmental impact. Further advancements in predictive maintenance enhance … Read more

Seeed Technology Launches Grove Multi-Functional Environmental Sensor Module

by
Seeed Technology Launches Grove Multi-Functional Environmental Sensor Module

Recently, Shenzhen Seeed Technology Co., Ltd. launched the Grove Multi-Functional Environmental Sensor Module, which utilizes Sensirion’s innovative SEN54 and SEN55 environmental sensor modules. This product has significant technical advantages and market application value.The Grove Multi-Functional Environmental Sensor Module is a sensor module that integrates multiple environmental parameter measurement functions, suitable for HVAC and air quality … Read more

In-Depth Analysis of LoRa Wireless Technology for Energy Control in Hospital HVAC Systems

by
In-Depth Analysis of LoRa Wireless Technology for Energy Control in Hospital HVAC Systems

With the deepening of the green development concept, the idea of energy-saving hospitals is becoming increasingly popular. The widespread application of central air conditioning in hospital buildings provides a more comfortable medical environment but also brings enormous energy consumption, significantly increasing the operational costs of hospitals.According to surveys, the energy consumption of central air conditioning … Read more