As electric vehicle technologies advance, The energy density of batteries increases, bringing higher risks during validation. The EUCAR Hazard Level 7 explosion-proof chamber from Wewon Environmental Chambers Co., Ltd. is an Innovative Solution for Battery Testing, Specifically engineered to contain the most severe failures, including thermal runaway, fire, and explosion. Unlike standard environmental chambers, This system is built to withstand Hazard Level 7, Which is defined as the highest possible level on the hazard scale (Explosion). It provides a secure environment for Temperature Chamber For Charge-Discharge Testing, ensuring that even in the event of a catastrophic battery failure, the laboratory and personnel remain safe.
| The chamber features a thickened steel chassis and a specialized Explosion-Proof Door equipped with heavy-duty mechanical locking chains (burst-proof bars) to prevent the door from blowing open during an explosion event. | 1. Reinforced Explosion-Proof Structure |
| * Pressure Relief Port: Automatically opens to release shockwaves and over-pressure rapidly. | 2. Active Safety Systems |
| * Gas Detection & Flushing: Optional CO2 or N2 flushing systems triggered by smoke or temperature sensors to suppress internal fires immediately. | |
| * Smoke Exhaust: High-efficiency exhaust system to clear toxic smoke after a test failure. | |
| To meet strict European environmental standards, this chamber utilizes advanced refrigeration technology. | 3. EU Regulation Compliance: Low GWP < 2500 |
| * Eco-Friendly: We use refrigerants with a GWP (Global Warming Potential) value below 2500, ensuring your equipment is fully compliant with EU F-Gas regulations while maintaining high cooling performance down to -40°C. |
| Equipment Model | WEW-EPC-EUCAR-7 (Battery Explosion-Proof System) | WEW-EPCL-EUCAR-7 (Battery Explosion-Proof System) |
| Internal Volume | 225 Liters (Optimized for Battery Modules) | 1000 Liters (Optimized for Battery Modules) |
| Internal Dimensions | 500 (W) * 600 (D) *750 (H) mm | 1000 (W) * 1000 (D) *1000 (H) mm |
| External Dimensions | Approx. 850 (W) *1350 (D) *1750 (H) mm | Approx. 1350 (W) *1850 (D) *2050 (H) mm |
| Chassis Structure | Reinforced “Fortress” Design: Heavy-duty steel frame with electrostatic powder coating (RAL 7035/7016) for explosion containment. | Reinforced “Fortress” Design: Heavy-duty steel frame with electrostatic powder coating (RAL 7035/7016) for explosion containment. |
| Net Weight | Approx. 450 kg (High structural density) | Approx. 855 kg (High structural density) |
| Temperature Range | -40°C to +150°C (Wide range for thermal shock simulation) | -40°C to +120°C (Wide range for thermal shock simulation) |
| Heating Rate | +25°C to+85°C in approx. 30 mins (Non-linear, No load) | +25°C to+85°C in approx. 28 mins (Non-linear, No load) |
| Cooling Rate | +25°C to -40°C in approx. 60 mins (Non-linear, No load) | +25°C to -40°C in approx. 55 mins (Non-linear, No load) |
| Noise Level | Db 75 dB(A) (Low noise design for laboratory environment) | Db 70 dB(A) (Low noise design for laboratory environment) |
| Compliance Standards | EUCAR Hazard Level 7, IEC 60068-2-1, IEC 60068-2-2, GB/T 2423, GJB 150 | EUCAR Hazard Level 7, IEC 60068-2-1, IEC 60068-2-2, GB/T 2423, GJB 150 |
| HMI Unit | U680 Programmable Color Touch Screen Controller | U680 Programmable Color Touch Screen Controller |
| Display Specs | 7-inch TFT High-Definition Screen (Resolution: 800 *480) | 7-inch TFT High-Definition Screen (Resolution: 800 *480) |
| Operating Language | English / Chinese (User Switchable) | English / Chinese (User Switchable) |
| Program Capacity | 120 Groups / 12000 Segments total; 999 Cycles max. | 120 Groups / 12000 Segments total; 999 Cycles max. |
| Data Management | USB 2.0 Interface for curve export; RS-485/RS-232 for PC Link | USB 2.0 Interface for curve export; RS-485/RS-232 for PC Link |
| Sensor Type | High-Precision PT100 Platinum Resistance Sensors (x2) | High-Precision PT100 Platinum Resistance Sensors (x2) |
| Eco-Friendly System | Low GWP (<2500) Refrigerant System (Compliant with EU F-Gas Regulation) | Low GWP (<2500) Refrigerant System (Compliant with EU F-Gas Regulation) |
| Cooling Mode | Air-Cooled with High-efficiency Fin-type Condenser | Air-Cooled with High-efficiency Fin-type Condenser |
| Heat Exchanger | SWEP (Sweden) SUS#316 Brazed Plate Heat Exchanger | SWEP (Sweden) SUS#316 Brazed Plate Heat Exchanger |
| Compressor Unit | Tecumseh (France) or Bitzer (Germany) Hermetic/Semi-hermetic Type | Tecumseh (France) or Bitzer (Germany) Hermetic/Semi-hermetic Type |
| Expansion Device | Danfoss (Denmark) Electronic Expansion Valve (EEV) / Capillary | Danfoss (Denmark) Electronic Expansion Valve (EEV) / Capillary |
| Power Supply | AC 220V ±10%, 50Hz/ 60Hz, 1-Phase+N+G (Industrial Standard) | AC 380V / 415V ±10%, 50Hz, 3-Phase+N+G (Industrial Standard) |
| Operating Environment | Ambient: +5°C ~ +35°C; Relative Humidity: RH85% RH | Ambient: +5°C ~ +35°C; Relative Humidity: RH85% RH |
| Safety Protection | Independent Over-temp Protection, Phase Sequence, Leakage Breaker, Compressor Overload, Fan Overheat | Independent Over-temp Protection, Phase Sequence, Leakage Breaker, Compressor Overload, Fan Overheat |
| AC Contactor | Schneider Electric (France) – LC1D Series | Schneider Electric (France) – LC1D Series |
| Thermal Relay | Schneider Electric (France) – LRD Series | Schneider Electric (France) – LRD Series |
| Intermediate Relay | Schneider Electric (France) – MY2J Series | Schneider Electric (France) – MY2J Series |
| Solenoid Valve | Danfoss (Denmark) or Castel (Italy) | Danfoss (Denmark) or Castel (Italy) |
| Pressure Controller | Danfoss (Denmark) – KP5/KP1 Series | Danfoss (Denmark) – KP5/KP1 Series |
| Oil Separator | Emerson (USA) or ES (UK) Oil Separator | Emerson (USA) or ES (UK) Oil Separator |
| Solid State Relay | Mago / Fotek (Taiwan) – SSR Series | Mago / Fotek (Taiwan) – SSR Series |
| Circulation Motor | Yizheng (Taiwan) Long-axis high-temp motor | Yizheng (Taiwan) Long-axis high-temp motor |
| Heater Element | Customized Nickel-Chromium Alloy (Corrosion Resistant) | Customized Nickel-Chromium Alloy (Corrosion Resistant) |
In the realm of high-energy density battery testing, Safety is not just an option – it is a necessity. Standard environmental chambers are designed to handle temperature fluctuations, But they are often ill-equipped to contain the catastrophic energy release associated with a EUCAR Hazard Level 7 event (Explosion). Our advanced battery explosion-proof chamber is specifically engineered to bridge this gap.
By strictly adhering to Level 7 containment standards, This system provides a secure environment where engineers can push batteries to their limits – inducing thermal runaway or forced failure – without risking the safety of the laboratory personnel or surrounding infrastructure. Wewon Environmental Chambers Co., Ltd. approaches battery safety with a total containment philosophy. We understand that during a battery explosion, The immediate threat is not just the fire, But the massive shockwave and projectile debris.
| ● | Q: What defines EUCAR Hazard Level 7? |
| ● | A: Hazard Level 7 is the most severe classification, indicating an Explosion. It means the battery disintegrates rapidly with high pressure and shockwaves. Our chamber is built to contain this specific hazard. |
| ● | Q: Is this chamber suitable for the European market? |
| ● | A: Yes. We strictly follow the EU F-Gas regulation requirement that the GWP value must be below 2500. We use compliant refrigerants (such as R449A or R452A) to ensure import and usage legality in Europe. |
| ● | Q: Can it perform Charge-Discharge Testing? |
| ● | A: Absolutely. The chamber is equipped with insulated cable ports on both sides, allowing for the connection of thick high-current wires to external cyclers for High-risk battery tests. |
To combat this, Our battery explosion-proof test chamber features a radically redesigned chassis. We utilize a reinforced steel framework that significantly exceeds the tensile strength of standard cabinets. The door system- typically the weakest point in a blast – is fortified with heavy-duty mechanical locking mechanisms and burst-proof chains. These features work in unison to absorb the physical force of an explosion, Keeping the door sealed shut while the integrated pressure relief systems safely vent the expanding gases.
This design ensures that all hazardous debris is contained within the chamber, Preventing shrapnel from exiting. Performance and safety should not come at the expense of the environment. Recognizing the stringent F-Gas Regulations in the European Union, Wewon has integrated an eco-friendly refrigeration system into this chamber. We utilize advanced refrigerants with a Global Warming Potential (GWP) value of less than 2500. This ensures that your equipment is fully compliant with current and future EU environmental laws, eliminating import barriers.
Despite this eco-friendly modification, The EUCAR hazard level 7 explosion-proof chamber maintains no compromise on performance, Delivering a robust temperature range of -40°C to +120°C. This allows for precise High-Risk Charge-Discharge Testing and thermal cycling, Ensuring your battery packs are validated under the most realistic and demanding environmental conditions.
To navigate the stringent environmental landscape of the UK and European Union markets, Wewon Tech has completely re-engineered the refrigeration system of the WEW-EPC-EUCAR-7. We strictly adhere to the EU F-Gas Regulation (No 517/2014) by utilizing next-generation Low-GWP (<2500) refrigerants (such as R449A/R452A). This not only ensures zero Ozone Depletion Potential (ODP) but also guarantees long-term legality and sustainability for your laboratory operations. Below is the detailed specification of our eco-compliant cooling system:
| Refrigerant Type | Low GWP (<2500) Eco-Friendly Refrigerant (Compatible with R449A / R452A) ensuring full EU F-Gas Regulation Compliance. | 1. Compliance |
| Ozone Depletion | ODP = 0 (Zero Ozone Depletion Potential) | |
| Compressor Unit | Tecumseh (France) or Bitzer (Germany) Hermetic / Semi-hermetic High-Efficiency Compressor. | 2. Core Units |
| Cooling Mode | Air-Cooled System with high-surface-area copper tube & aluminum fin condenser. | |
| Heat Exchanger | SWEP (Sweden) SUS#316 Brazed Plate Heat Exchanger for superior thermal transfer efficiency. | |
| Expansion Device | Danfoss (Denmark) Electronic Expansion Valve (EEV) or Precision Capillary for accurate flow control under variable loads. | 3. Control & Flow |
| Solenoid Valves | Danfoss (Denmark) / Castel (Italy) industrial-grade solenoid valves for circuit switching. | |
| Oil Management | Emerson (USA) / ES High-efficiency Oil Separator to ensure compressor longevity during low-temp operation. | |
| Vibration Control | Double-Flex Vibration Absorbers installed on suction/discharge lines to minimize mechanical noise and stress. |
