Jianhu Battery Environmental Test Chamber – Customizable High-Low Temperature Chamber for EV & Energy Storage Systems
| Brand | Jianhu |
|---|---|
| Origin | Shanghai, China |
| Model | JH-BT Series |
| Temperature Range | -70 °C to +150 °C |
| Refrigeration | Compressor-based |
| Explosion-Proof Design | Yes |
| Temperature Fluctuation | ±0.5 °C |
| Temperature Uniformity | ±2.0 °C |
| Temperature Deviation | ±2.0 °C |
| Heating Rate | ≤60 min (from -40 °C to +85 °C) |
| Cooling Rate | ≤45–80 min (from +85 °C to -40 °C), depending on chamber volume and configuration |
| Internal Chamber Dimensions | Custom-engineered per client-provided layout drawings |
| Compliance | Designed to support IEC 62133, UN 38.3, GB/T 31485, ISO 12405, and automotive OEM-specific thermal validation protocols |
Overview
The Jianhu JH-BT Series Battery Environmental Test Chamber is an engineered solution for rigorous thermal validation of lithium-ion, solid-state, and next-generation electrochemical energy storage systems under controlled, repeatable, and safety-certified conditions. Built upon Couette-flow-optimized air circulation architecture and dual-stage cascade refrigeration, the chamber delivers precise, stable, and rapid thermal transitions essential for evaluating battery performance, degradation kinetics, and thermal runaway propagation across extreme operational envelopes. Unlike generic environmental chambers, the JH-BT Series integrates explosion-proof mechanical design (ATEX/IECEx-compliant enclosure, intrinsically safe internal wiring, and pressure-relief venting), making it suitable for testing high-energy-density cells, modules, and small-format packs without compromising laboratory safety or regulatory compliance.
Key Features
- Explosion-proof certified construction (Class I, Division 1 / Zone 1 compliant) with reinforced stainless-steel inner chamber, flame-retardant insulation, and fail-safe door interlock system
- High-fidelity temperature control via PID + fuzzy logic algorithm, achieving ±0.5 °C fluctuation and ±2.0 °C uniformity across full working volume
- Cascade compressor refrigeration system enabling operation down to -70 °C without liquid nitrogen dependency
- Customizable chamber geometry: internal dimensions, door orientation, port locations, and mounting interfaces are fully configurable from client-provided CAD drawings (DWG, STEP, or PDF)
- Low-noise operation (<65 dB(A) at 1 m) and energy-efficient design meeting ISO 50001-aligned power management standards
- Integrated real-time monitoring of chamber pressure, internal humidity (optional), and external ambient conditions for traceable test environment documentation
Sample Compatibility & Compliance
The JH-BT Series accommodates cylindrical (18650, 21700, 4680), prismatic, and pouch cell formats — up to module-level assemblies (≤30 kg, ≤600 mm × 400 mm × 200 mm). All configurations support in-chamber electrical feedthroughs (up to 10 A, 100 V DC) with optional current/voltage sensing ports. The chamber meets structural and procedural requirements for test execution per IEC 62133-2 (secondary cells), UN 38.3 Section 38.3.4 (thermal cycling), GB/T 31485-2015 (Chinese EV battery safety), and ISO 12405-4 (electric vehicle battery performance). It is routinely deployed in GLP-compliant labs conducting DOE-sponsored battery aging studies and Tier-1 automotive supplier qualification programs.
Software & Data Management
Chamber operation is managed via Jianhu’s JH-ControlSuite™ v4.2 — a Windows-based platform supporting multi-user role permissions, audit trail logging (21 CFR Part 11 ready), and encrypted data export in CSV, XML, and PDF formats. Real-time trend graphs display chamber setpoint vs. actual, ramp rate, and deviation history. Optional integration with LabVIEW, MATLAB, or Python via TCP/IP or Modbus RTU enables closed-loop stimulus-response testing (e.g., synchronizing thermal profile with battery cycler output). All calibration records, maintenance logs, and firmware versions are stored internally with SHA-256 hash verification for integrity assurance.
Applications
- Accelerated life testing (ALT) and calendar aging under variable temperature profiles (-40 °C ↔ +65 °C)
- Thermal shock evaluation per MIL-STD-810H Method 503.7 and JEDEC JESD22-A104F
- Safety validation including overcharge-induced thermal runaway initiation and propagation analysis
- Electrolyte volatility and SEI stability assessment under low-temperature storage conditions
- OEM-specific battery pack qualification for BEV, PHEV, ESS, and aerospace applications
- Material compatibility testing of thermal interface materials (TIMs), fire barriers, and encapsulation resins
FAQ
Is the chamber certified for use with flammable electrolyte-based batteries?
Yes — all JH-BT units ship with full explosion-proof certification (IEC 60079-0/-1/-7), Class I, Division 1 wiring, and integrated spark-resistant fans. Certificate numbers are provided with each unit.
Can the chamber be integrated into an existing battery cycler test rack?
Yes — standard RS-485/Modbus and optional Ethernet/IP interfaces allow bidirectional communication with major cyclers (Arbin, BioLogic, Neware, Digatron). Mechanical integration kits (VESA mounts, rail adapters) are available upon request.
What is the lead time for a custom-dimension chamber?
Standard lead time is 12–16 weeks after finalization of engineering drawings and safety review. Expedited builds (8-week delivery) are available for validated configurations.
Does Jianhu provide IQ/OQ documentation packages?
Yes — factory-verified Installation Qualification (IQ) and Operational Qualification (OQ) protocols are included. Performance Qualification (PQ) support and on-site witness testing can be arranged.
Are spare parts and service support available outside mainland China?
Yes — Jianhu maintains authorized service partners in Germany, South Korea, Japan, and the United States. Critical spares (compressor modules, controllers, sensors) are stocked regionally and shipped within 72 hours.
