Performance and Configuration of Hydrogen Fuel Cell Test Chamber

• Temperature range: -50 ℃~+100 ℃ [meets static storage requirements], -40 ℃~85 ℃ [meets thermal load requirements, maximum heat dissipation of 150kW]
• Humidity range: 10%~95% RH (within the range of 10 ℃~85 ℃) [Static no heat load]. At 65 ℃, the response time from 10% to 95% humidity does not exceed 100 minutes [Static no heat load]. Temperature and humidity are 60 ℃/90% RH [Thermal load 150kW]
• Temperature control accuracy: ≤± 1 ℃ [when the engine is not running], ≤± 3 ℃ [maximum heat dissipation of 150kW when the engine is running]
• Temperature fluctuation: ≤± 0.5 ℃ [unloaded], ≤± 3 ℃ [loaded 150KW]
• Temperature uniformity: ≤ 2.0 ℃ [When the engine has no heat dissipation in the cabin]
• Humidity control accuracy: within ± 5% RH [empty load]
• Humidity fluctuation: ≤± 5% RH [No load]
• Heating rate: -40 ℃ to+85 ℃, with an average rate of 1 ℃/min throughout the process [internal placement of 540kg fuel cell stack, heat dissipation of 150KW]
• Cooling rate:+85 ℃~-40 ℃, with an average rate of 1 ℃/min throughout the process [internal placement of 540kg fuel cell stack, heat dissipation of 150KW]
• Customer testing product: Test product: Metal fuel cell stack engine+Total weight: 540kg+Cell stack power: 150kw
• Outer box material: high-quality cold-rolled steel plate (t=1.0mm), surface treated with electrostatic spray coating
• Inner box material: stainless steel plate (SUS304-CP 2B ground processing)
• Bottom plate material: Non slip stainless steel plate (SUS304) welded at t=3.0mm. Bottom plate bearing requirement: greater than 2T/mP2
• Insulation material: 150mm hard polyurethane foam insulation layer
• Lighting: Explosion proof LED light, with moisture-proof, explosion-proof, transparent, heat-insulating, and not easily prone to steam frosting, etc
• Controller: Imported "Youyi Control" brand temperature and humidity instrument
• Refrigeration system: German "Bitzer" semi enclosed air-cooled/water-cooled compressor refrigeration method
• Temperature sensor: high-precision Pt100 platinum resistance temperature sensor
• Humidity sensor: high-precision Finnish Vaisala capacitive humidity sensor
• Pressure relief hole: equipped with an electric pressure balancing device to maintain a slight positive pressure within the range of 0-50Pa in the environmental chamber under any circumstances
• Supply fan: single suction multi blade centrifugal explosion-proof fan, variable frequency adjustable
• Security call system: The box is equipped with a call system, which facilitates emergency calls and ensures the safety of personnel inside in case of emergencies
• Optional accessories: Pump suction explosion-proof hydrogen/oxygen concentration alarm system, smoke concentration alarm, access control system, explosion-proof pressure protection device, visual monitoring system, etc
• Safety protection: compressor low pressure/overload/high pressure alarm, hydrogen/oxygen/smoke concentration alarm, fan overload, system abnormal alarm, emergency stop switch, water shortage, short circuit, phase loss, overheating and other protections
• Power supply voltage: AC380V ± 10% 50Hz
• Total power: Maximum load capacity of approximately 270KW, maximum current of 480A, hydrogen system power of approximately 138KW, maximum current of 240A, air system power of approximately 165KW, maximum current of 290A, total air switch capacity of 1500A