Walk-In Humidity Chamber

Whether it is the extremely cold permafrost at -70℃, the extremely hot desert at 150℃, or the high-humidity tropical rainforest environment with 98% relative humidity, the Walk-In Humidity Chamber can handle them all with ease. The temperature control range spans 220℃, the humidity control accuracy is stable at ±2% RH, and the temperature change rate can be freely adjusted from 0.5-5℃/min, allowing for the easy reproduction of 12 types of global typical climate scenarios. For heat-generating samples such as server cabinets and energy storage battery packs, it can handle a load of 7.9kw at 40℃, without the need for additional cooling devices, and can maintain stable parameters inside the chamber, perfectly meeting the long-term testing requirements of high-power equipment.

The Walk-In Humidity Chamber is fabricated by overall welding with high-strength structural steel. It features a fully welded anti-slip base plate with a load capacity of 3 tons, which ensures that the chamber will not deform even when the entire vehicle is frequently entering and exiting for testing. The inner liner is made of 304 stainless steel with an epoxy anti-corrosion coating, effectively preventing corrosion in high-humidity environments and prolonging the equipment's service life. The unique "top air supply + side air return" rhythmic air circulation system precisely controls the air speed within the range of 0.3 - 1.5 m/s, avoiding the generation of vortices inside the chamber, ensuring that the temperature uniformity is ≤ ±2℃ and the humidity uniformity is ≤ ±3% RH, completely eliminating the influence of condensation on the test samples.

The Walk-In Humidity Chamber is used in the field of new energy vehicles to conduct temperature and humidity cycling tests for battery packs ranging from -40℃ to 85℃. A certain automotive company used this equipment to reduce the battery failure rate from 12% to 2.3%. The reserved high-voltage charging interface and exhaust emission channel allow new energy vehicles and fuel vehicles to share the same testing equipment, thereby reducing the investment costs of enterprises. In the aerospace field, it can simulate high-altitude low-temperature and high-humidity environments to verify the structural stability and signal transmission capability of onboard equipment. In 5G base station tests, it precisely controls temperature and humidity changes to detect the signal anti-interference performance of equipment in extreme environments.

The Walk-In Humidity Chamber has undergone a comprehensive upgrade in its safety protection system. Besides basic protections such as compressor overpressure and heater overcurrent, it is specially equipped with high-voltage insulation monitoring (insulation resistance ≥ 100 MΩ) and thermal runaway warning function (temperature gradient > 5℃/min, automatically triggering an alarm). An electronic over-temperature protection device independent of the main controller will immediately cut off the power supply when the sample exceeds the temperature limit by 20℃. This ensures comprehensive safety during testing.
The energy-saving design is also impressive. The combination of variable-frequency compressors and heat recovery systems can reduce energy consumption by over 30%. The wastewater recovery device can effectively reduce water waste and is in line with the green production concept. The P.I.D + fuzzy control algorithm enables the equipment parameter response speed to be three times faster than that of traditional equipment. The self-diagnosis function can record 30 days of fault history, providing precise data support for later maintenance and reducing equipment downtime.

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