With the popularization of the concept of energy conservation and environmental protection, energy conservation has become the goal of all walks of life, and the construction industry is no exception. Building energy efficiency management has become a mandatory indicator in many countries, and has had a significant impact on many professionals in the construction field. How to reduce the energy loss of buildings has become an urgent problem in the construction field. Infrared thermal imaging camera can accurately locate the specific location of energy loss, and can judge the energy loss of buildings without any destructive detection methods. It is an ideal tool for construction diagnosis. Let's take a look at the application of thermal imaging cameras in the construction industry.

1. Detect insulation defects.

The typical thickness of the insulation layer varies from country to country. In countries with cold climates, the insulation layer is usually thicker. In countries with temperate climates, the insulation layer is thinner or not used at all. On the other hand, in warm weather conditions, indoor spaces need to be cooled, which also requires a thicker insulation layer to prevent energy loss. When using an infrared camera, the temperature difference between the outer wall and the inner wall must be at least 10°C to obtain a good and easy-to-view image. Using a thermal imager with higher resolution and higher thermal sensitivity, the temperature difference requirement will be smaller.

2. Detect gas leakage.

It is a common method to find gas leakage through the outer structure of the building. Gas leaks lead to higher energy losses, often causing problems in the ventilation system, causing condensation in the building, and worsening the indoor climate. However, thermal imaging cameras can be used to detect typical phenomena when cold air leaks from a building.

3. Moisture detection.

Humidity is the most common form of house damage. Gas leaks can form condensed water in walls, floors or ceilings. The damp insulation layer takes a long time to dry and often becomes the main breeding ground for mold and fungus. Scanning with an infrared thermal imager can detect the specific wet location where the mold is multiplying, and determine the location of the inherently wet area.

4. Thermal bridge detection.

Thermal bridges are areas with less insulation caused by the building structure, such as metal fasteners, concrete beams, slabs, or columns. The heat will find the most convenient way (the least resistance way) to escape from the higher temperature space. In many cases, heat will “short-circuit” through components that have a higher thermal conductivity than the surrounding materials, called thermal bridges. The thermal bridge can be clearly detected by an infrared thermal imaging camera.

5. Heating pipes and district heating.

In cold areas, roads and passages will be heated. District heating is also common. The heating system generates heat in a certain center to meet residential and commercial heating needs. Thermal imaging measurement can easily detect any faults in the underground heating system. Even if the ground is covered with snow and ice, the heating pipeline can be seen with an infrared camera.

6. It is found that the roof is leaking.

When the wet area of the roof can be repaired without replacing the entire roof, huge cost savings can be achieved. Use the sun as a heater, and use an infrared camera to find a moist insulation layer on the roof. During the day, the sun heats the roof. The roof cools again at night, but the wet insulation area cools more slowly. This area is clearly visible in the infrared image domain, and the temperature is higher than other areas.

Seven, electrical failure.

Electrical faults are the most common faults in buildings. In most cases, these electrical problems are invisible to the naked eye, but hot spots can be immediately seen on the infrared image with an infrared camera. Users can scan electrical cabinets and components, detect a large number of wires and connectors, and immediately understand the problem. Before the problem actually occurs, the problem area can be detected and repaired!

8. Detect leakage of floor heating.

The thermal imaging camera is a simple tool to use. Even if the water pipe is laid under the floor or plaster, it can be found whether the pipe is leaking. The heat of the pipeline radiates outward through the surface of the pipeline, and the infrared thermal imager can easily detect the thermal image.

9. Odor

Thermal imaging cameras help find leaks between houses. Leaks between houses lead to poor sound insulation and penetration of odors such as cigarettes. Using negative pressure and temperature difference, it is easy to detect leaks.

10. Cold storage

Cold storage and cold rooms have high requirements for heat insulation and sealing. The normal indoor temperature of the cold storage is -23℃ to -25℃. Insulation failure and leakage will cause the building structure to condense and freeze, resulting in greater energy consumption-ice will eventually destroy the building structure; infrared thermal imaging cameras can easily detect whether the insulation of the cold storage has failed.

11. Reconstruction plan and quality assurance.

Infrared technology is used for reconstruction planning, quality assurance and new building inspections. In the drying process of the building structure, infrared images can determine the progress of the drying process, so that necessary measures can be taken to speed up the drying process. If the drying process can be speeded up and the building structure is proved to be completely dry with the help of an infrared camera, the building can be delivered to the customer faster.

12. Building restoration.

Infrared thermal imaging provides valuable information during the restoration of buildings and monuments. The frame structure hidden in the mineral plaster is clearly visible in the infrared image. So it can be determined whether the exposure of these structures is useful. The separation of plaster on the wall can also be carried out as soon as possible so that maintenance measures can be taken.