Diagnostics in industry and construction has advanced tools and methods that allow rapid and precise detection of various types of defects. One of the innovative tools used in this field is the ultrasonic (acoustic) camera.
These devices make it possible to identify problems that might go unnoticed to the naked eye, such as leaks that cause compressed air to escape, or other defects in industrial equipment. In this article, we will explain what the location of leaks using an ultrasonic camera is, what its advantages are and in what situations it is particularly recommended.
What is an ultrasonic (acoustic) camera?
Ultrasonic (acoustic) cameras are advanced diagnostic devices that use ultrasonic waves to visualize structures and detect various types of defects, especially the location of gas leaks and incomplete discharges.
The device uses low-noise MEMS microphones to accurately capture ultrasonic waves over a range of frequencies. The camera’s bandwidth is adjustable, allowing it to be tailored to specific measurement needs.
The ultrasonic camera can display leak data in real time, allowing a quick response when a problem is detected. In addition, intelligent detection of incomplete discharges allows for their efficient identification, which can be key to preventing equipment failures.
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In what situations is ultrasonic (acoustic) camera leak localization used?
In industry, ultrasonic (acoustic) cameras are used to examine the condition of equipment and structures, such as pipelines, pressure vessels, machinery or electrical installations. They make it possible to detect early signs of damage, particularly important in the case of compressed air, one of the key sources of energy in industrial plants, which is lost due to undetected irregularities in equipment. Detection of these leaks can be difficult to achieve by hearing or touch, especially in noisy production environments where workers are required to wear protective headphones.
Conversely, in the case of high-voltage electrical systems, the occurrence of incomplete discharges can be an early sign of major failures that can threaten worker safety and lead to unplanned downtime.
In addition, ultrasonic (acoustic) cameras are used in building diagnostics during routine inspections and more detailed technical inspections. They allow an accurate assessment of the building’s condition. They can help detect leaks in walls, roofs, windows, doors or other structural elements, and are extremely helpful when diagnosing and repairing the thermal insulation of buildings. They allow precise localization of areas of heat loss. This makes it possible to effectively identify areas that require sealing or replacement of insulation materials, which translates into improved energy efficiency of the building and lower heating costs.
Advantages of locating leaks with an ultrasonic (acoustic) camera
- Non-invasiveness: the method does not require interference with the structure of the object under examination, which minimizes the risk of damage.
- Speed: Ultrasonic camera inspection allows rapid assessment of the insulation status of large areas.
- Accuracy: The ultrasonic camera can precisely locate problem areas for effective repairs.
- Savings: detecting and fixing leaks can significantly reduce the costs associated with the need for subsequent advanced repairs.
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In summary, locating leaks with an ultrasonic camera is a modern and effective diagnostic method that allows quick and precise detection of problems, reducing the cost of subsequent repairs. Below are some sample images taken and developed by TERMOCENT, along with comments:
Figure 1 The photo shows an image from the ultrasonic camera, which identified leaks and air leaks on the valve branch in the marked area. Measured leakage rate: 15.4 [l/min]. Leakage cost: 1,135 [PLN/year].
Figure 2 The photo shows the image from the ultrasonic camera, which identifies leaks and air leaks at the filter inlet in the marked area. Measured leakage rate: 4.0 [l/min]. Leakage cost: 477 [PLN/year].
Figure 3 The photo shows the image from the ultrasonic camera, which identifies leaks and air leaks in the marked area. Measured leak rate: 10.0 [l/min]. Leakage cost: 736 [PLN/year].
