Seat Comfort Thermal Manikin
Whats/App: +86 156 1874 6768
Web: standard-groups.com
Standards
GB/T 18830-2009: Test methods for automotive seat and backrest thermal comfort
SAE J826: Human engineering H-point measurement standard
ISO 14505-2: Seat thermal comfort testing — Thermal manikin method
ISO 12894: Anthropometry and application of human models
ISO 9920: Clothing, personal protective equipment, and seat thermal comfort assessment
ASTM F1291: Standard method for evaluating thermal comfort using thermal manikins
ASTM F2370: Measurement of seat heat/cooling energy and humidity transfer
EN 12127: Automotive seat heat flux and pressure distribution measurement
Note: Some standards apply to overall seat thermal comfort evaluation, while others relate specifically to heat flux, humidity, or heated/ventilated seat energy transfer.
Product Specifications
| Category | Parameter | Technical Specification |
|---|---|---|
| Manikin Type | 50th percentile adult male, Back + Buttocks/Thighs | Based on SAE J826 HPM-II |
| Thermal Zones | 8 independently controlled zones | Each zone with temperature control protection |
| Shell Material | Heat-conductive carbon fiber | Embedded heating wires and sensors |
| Temperature Control Range | 10–40°C | ±0.1°C accuracy |
| Max Power Output | — | 1500 W/m² |
| Sweat Output Range | — | 0–1000 ml/hr/m² |
| Continuous Heat Dissipation | — | 350 W/m² |
| Power Accuracy | — | ±1% |
| Humidity Measurement Accuracy | — | ±3% RH |
| Power Supply | — | 208–265 VAC, 50/60Hz, Single Phase |
| Cooling Water | — | Temp-controlled chiller, 30°C, 500 W, 2 L/min, 15 PSI |
| Weight | — | Approx. 120 kg (without water cooling system) |
| Dimensions | — | 1189 × 575 × 856 mm |
Features
Eight independent thermal zones with protected temperature control for precise heat distribution
Active cooling simulating human blood flow prevents local overheating during heated seat tests
Dynamic Heat Flow Sensors (DHS) measure instantaneous energy exchange between seat and skin
Computer-controlled liquid delivery system distributes sweat per zone
Highly stable resistive heating ensures uniform heat flux
Software-controlled real-time monitoring, automatic testing, and flexible data recording
Pre-set thermal differential tests allow quick evaluation
Comprehensive evaluation for passive, heated, and ventilated seats
High-accuracy measurement of humidity and heat flux suitable for R&D and quality control
Accessories
| Item | Quantity | Description |
|---|---|---|
| Thermal Manikin | 1 set | Includes heating wires and sensors |
| Control Electronics | 1 set | Control board and interface |
| Environmental Temperature Sensors | 2 | For seat and ambient monitoring |
| Humidity Sensor | 1 | Measures ambient and seat humidity |
| Power & Control Cables | Multiple | Connect manikin to control system |
| Software | 1 set | Control, record, and analysis |
| Cooling Water System | 1 set | Temp-controlled chiller, 2 L/min, 15 PSI |
| Spare Heating Wires & Sensors | Multiple | Recommended for instrument maintenance |
Testing Principle
The Seat Thermal Manikin simulates human heat and sweat secretion through eight independent thermal zones and skin analog systems. DHS sensors directly measure instantaneous energy exchange between the seat surface and the manikin skin. For heated or ventilated seats, active cooling prevents local overheating, ensuring reliable and accurate measurements. Software calculates thermal comfort indices and energy transfer efficiency using combined heat flux, temperature, and humidity data.
Test Procedure
Place the thermal manikin on the test seat, ensuring correct H-point positioning.
Set target temperatures and sweat distribution for each thermal zone according to standards or test requirements.
Start the control software and select the testing mode:
Passive seat: Constant temperature heat flux measurement
Heated seat: Heat flux and sweat measurement simultaneously
Ventilated seat: Heat flux, humidity, and airflow measurement simultaneously
The system automatically records heat flux, temperature, and humidity, generating time-history curves.
Analyze data and generate a thermal comfort report (including heat balance, local comfort, and humidity distribution).
Perform system self-check after completion, disconnect power and cooling, and clean the equipment.
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