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SPECIFICATION
| nternal Dimension | 600*600*600mm | 800*800*800mm | 1000*1000*1000mm |
| Extemal Dimension | 1100*800*1500mm | 1300*1000*1700mm | 1500*1100*1700mm |
| Oscillating Tube | Radius 200mm | Radus 300mm | Radius 400mm |
| nternal Chamber Material | Stainless Steel 304 | ||
| Extemal Chamber Materia | Stainless Stee Paint Coating | ||
| Observation Window | Waterproof Toughened Glass | ||
| Oscillating Angle | 40°、90°、120、360 | ||
| Oscillating Speed | PX3:2*120*for 4sIPX4:2*360*lor 12s | ||
| Spray Nozzle | 0.4mm(IPX3,IPX4),0.8mm(IPX4K) | ||
|
Distance Between Two Nozzles |
50mm | ||
| Turntable Diameter | 200mm | 300mm | 400mm |
|
Turntable Rotation Speed |
1-5 r/min | ||
|
Water Flow Of Each Nozzle |
Injector:0.07L/min±5%(IPX3&IPX4),0.6L/min±5%(IPX4) | ||
| Test Duration | 1~999,999min,Adjustable | ||
| Water Cycling System | Built-in Chamber Bottom For Recycling | ||
| Power Source | Single-phase,AC220V,50Hz | ||
I. Equipment Core Functions
Raindrop Simulation
Accurately control raindrop size (0.5-5mm), rainfall intensity (0-100mm/h), raindrop falling speed (1-10m/s).
Support vertical rainfall, inclined rainfall mode, simulate different weather scenarios (such as drizzle, rainstorm, typhoon rainfall).
Spray Simulation
Generate micron-level water mist (10-100μm) to simulate high humidity environments (e.g. sea mist, morning dew, condensation).
Adjustable spray density (0.1-5L/m³-h) for uniform coverage.
Environmental coupling control
Temperature and humidity adjustment: temperature range -40℃~+80℃, humidity 10%~98%RH (optional fast temperature change function).
Wind speed simulation: 0-30m/s adjustable, simulating the effect of natural wind or high-speed airflow on raindrop trajectory.
Multi-mode combination test
Support raindrops + spray + temperature and humidity + wind speed of the composite environment test (such as hot and humid rainstorms, low temperature freezing rain).
Technical parameters and design
Module Technical parameters
Raindrop system - Nozzle type: ultrasonic atomizing nozzle (fine rain), high-pressure jet nozzle (heavy rain).
- Rainfall Calibration: Laser raindrop spectrometer to monitor raindrop distribution in real time.
Spray System - Atomization: Ultrasonic/compressed air atomization.
- Particle size distribution: Calibrated by Malvern particle size meter (D50 ≤ 50μm).
Temperature and Humidity Control - Cooling/Heating: Dual Compressor Compound Cooling + Electric Heating.
- Humidity control: steam humidification + dehumidifying rotor.
Wind speed simulation - variable frequency fan + infusion device, wind speed uniformity error ≤ ± 10%.
Control system - touch screen + PLC programming, preset ISO/IEC standard test program (e.g. ISO 20653, MIL-STD-810).
- Data recording: real-time storage of temperature, humidity, rainfall and wind speed curves.
III. Application Scenarios
Industry Test Scenarios
Automobile - Body sealing test (heavy rain + high speed driving).
- Lights, camera performance verification in freezing rain environment.
Aerospace - Reliability of airborne equipment under wet and icy conditions.
- Radar cover rain erosion resistance testing (high speed raindrop impact).
Consumer Electronics - Waterproofing of cell phones, watches in tropical rainforest environments (high temperature, high humidity + constant rainfall).
Outdoor equipment - Solar panels, communication base station equipment in typhoon weather protection.
Equipment design highlights
1. Accurate environmental simulation
Raindrop Dynamics Control: Adjust the raindrop particle size and speed through high-pressure pumps and nozzle arrays to match the real weather data (e.g. Marshall-Palmer raindrop distribution model).
Spray uniformity: Multi-stage deflector ensures uniform droplet coverage of the test area (uniformity ≥90%).
2. Intelligent control
Scenario Programming: Customize the combination of “rain - fog - temperature - wind” timing (e.g. spray first to simulate morning dew, then rainfall to simulate rainstorms).
Failure self-test: automatic alarms for water shortage, over-temperature, fan abnormalities, etc., and record failure logs.
3. Energy saving and reliability
Water circulation system: three-stage filtration (precipitation + activated carbon + reverse osmosis), recycling rate ≥ 85%.
Anti-icing design: the inner wall of the box is heated during low-temperature testing to prevent raindrops from icing and blocking the nozzle.
V. Selection Recommendations
Demand level Recommended configuration
Basic type - raindrop + spray function, temperature and humidity range of 0 ~ 60 ℃, the budget of 50-80 million yuan (domestic).
High-end type - full environmental coupling (rain / fog / temperature / wind), temperature -40 ~ 80 ℃, in line with the MIL-STD-810 standard, the budget of 1.5-3 million yuan (imported brands).
Customized Lab - Extra-large test chamber (5m×5m×3m), supporting whole vehicle/large equipment testing, budget above 5 million RMB (e.g. Weiss Technik, Angelantoni).
Sixth, the operation process example
Case: automobile body sealing test
Parameter setting:
Rainfall intensity: 50mm/h (heavy rain), temperature 25℃, humidity 90%, wind speed 20m/s (simulated high speed driving).
Sample Installation:
The whole car or body parts are placed in the test bin, and the doors and windows are closed.
Test Execution:
The composite environment simulation was initiated and the test continued for 6 hours.
Results Analysis:
Check for water seepage in the vehicle and evaluate moisture changes in the carpet and wiring harness connectors.
VII. Maintenance and Calibration
Daily Maintenance:
Clean nozzles and filters weekly and check humidity sensor accuracy monthly.
Replace compressed air filter element (misting system) periodically.
Annual calibration:
Raindrop particle size: Laser particle size analyzer calibration (in accordance with GB/T 17626.11).
Temperature and humidity: calibrated by a third party metrology organization (ISO 17025 standard).
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