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Guangdong WBE Instrument Technology Co., Ltd., abbreviated as WBE, was founded in 1995 and is headquartered in Dongguan, Guangdong Hong Kong Macao Greater Bay Area. It is a high-end testing instrument manufacturer. The company currently has over 12000 square meters of modern independent factories to meet various non-standard customized production needs, and has established five marketing service centers in Beijing, Chongqing, Xi'an, Suzhou, Dongguan and other places across the country, aiming to provide customers with more convenient and efficient services. Our products include various weather resistant environmental testing chambers, large-scale non-standard environmental testing chambers, chip packaging push-pull testing machines, and comprehensive mechanical and environmental non-standard testing machines.
Full-Vehicle Testing: Challenges and Solutions
walk-in environmental chambers presents unique challenges. The first is the massive thermal load. A running vehicle generates a significant amount of its own heat, and the chamber's conditioning system must be powerful enough to overcome this and maintain the desired setpoint. The second challenge is managing exhaust fumes. A specialized exhaust extraction system must be integrated with the chamber to safely vent the vehicle's emissions to the outside. Third, the chamber floor must be heavily reinforced to handle the vehicle's point loads from the tires and be equipped with a dynamometer for certain tests. WBE addresses these challenges by engineering our drive-in chambers with oversized cooling systems, integrated exhaust ventilation, and dynamometer-ready floor structures, providing a complete and safe solution for full-vehicle testing in a walk-in environmental chambers.
Modular vs. Welded Construction: Which is Right for Me?
walk-in environmental chambers depends on your specific performance needs and long-term plans. Modular construction uses prefabricated insulated panels that are mechanically locked together. This is the most common and versatile method, offering a good balance of performance and cost. Its key advantage is flexibility; a modular chamber can be expanded, downsized, or even relocated in the future. Welded construction features a continuously welded, vapor-proof stainless steel interior liner. This method provides the highest level of performance and durability, and it is the required choice for extreme conditions such as very high humidity, rapid temperature cycling, or altitude simulation where a perfect seal is critical to prevent moisture intrusion or air leaks. WBE's experts can help you analyze this trade-off to select the right construction for your walk-in environmental chambers
Integrating Solar Simulation into a Walk-In Chamber
walk-in environmental chambers to replicate the full spectrum of natural sunlight. This is achieved by installing an array of specialized metal halide or xenon arc lamps in the ceiling of the chamber. These systems can be designed to meet various international standards for solar simulation, controlling for factors like irradiance intensity (W/m²) and spectral distribution. The chamber's main conditioning system then works to manage the significant heat load generated by these lamps. This integrated capability allows engineers to test for a product's colorfastness, material degradation from UV exposure, and the total heat load effect on an operating system, all within a single, controlled walk-in environmental chambers
Safety Systems for Testing EV Battery Packs at Scale
walk-in environmental chambers requires a specialized focus on safety. A catastrophic battery failure could lead to thermal runaway, fire, and the release of hazardous gases. WBE designs our battery testing chambers with a multi-tiered safety protocol to mitigate these risks. This can include an inert gas fire suppression system (using N2 or CO2), rapid ventilation and purging systems, and gas detectors to monitor for electrolytes or hydrogen. The chamber construction can be reinforced to withstand potential energetic events. We also integrate with the battery management system (BMS) and the facility's safety interlocks, allowing for an automatic shutdown of the test and the chamber in an emergency. These specialized safety features are essential for the safe and effective validation of EV battery technology in a walk-in environmental chambers
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Frequently Asked Question
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Walk-in environmental chambers are used for testing products that are too large to fit in standard chambers. Primary applications include full-vehicle testing in the automotive industry, testing large aerospace components, qualifying renewable energy systems like solar panels and battery racks, and performing reliability tests on large batches of smaller electronic products simultaneously.
The difference is in the construction method. Modular walk-in environmental chambers are built using prefabricated insulated panels that are locked together on-site, allowing for flexibility in size and easy disassembly or relocation. Welded, or solid construction, chambers are custom-fabricated with continuously welded interior seams, offering the best performance for extreme temperatures, high humidity, or high-altitude simulation.
Installing walk-in environmental chambers is a major project. Facility requirements include a high-capacity, three-phase electrical supply, a reinforced concrete floor capable of supporting the chamber's significant weight, and often a connection to a facility's process chilled water system for heat rejection. Adequate ceiling height and clearance around the chamber for maintenance are also crucial.
A drive-in chamber is a specific type of walk-in environmental chambers designed for the automotive industry. It is large enough and equipped with a reinforced floor and oversized doors to allow a complete, operational vehicle to be driven directly into the test space for full-system environmental and operational testing.
Maintaining uniformity in walk-in environmental chambers is a significant engineering challenge. It is achieved through a carefully designed air conditioning and circulation system. This involves a remote air plenum (or conditioning unit) with powerful fans, heaters, and cooling coils. Conditioned air is distributed throughout the chamber via precisely located ductwork and vents to ensure consistent temperature and humidity in all corners of the test space.
You should choose WBE because we specialize in non-standard, custom projects. Building walk-in environmental chambers is a core competency, not an afterthought. Our 12,000-square-meter factory is equipped for large-scale fabrication, and our experienced engineering team manages the entire project from initial design consultation to final on-site commissioning, ensuring a solution that is perfectly tailored to your needs and built to the highest quality standards.
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