Manikin Breathing System
The Manikin Breathing System is a high-precision experimental device designed to operate in combination with a 16-zone thermal manikin or as a standalone unit. It is used to simulate real human breathing conditions by accurately controlling inhalation and exhalation parameters. You can use this system to study aerosol particle distribution, air pollutant exposure, and cross-infection risks of airborne diseases under different environmental conditions. The system supports a wide range of scientific research and public health evaluation scenarios where realistic human breathing simulation is required.
Application
HVAC education and research, including indoor air quality evaluation, human breathing exposure assessment in confined spaces, and cross-infection risk analysis of airborne diseases;
Medical and public health research, including studies on respiratory exposure, pollutant dispersion, and effectiveness of protective measures;
Occupational health assessment, such as evaluation of dust, PM2.5, and gaseous pollutant exposure in workshops and factories;
Breathing exposure assessment in aerospace cabins and confined environments, including civil and military aircraft, helicopters, space stations, re-entry capsules, submarines, and deep-sea systems;
Breathing exposure assessment inside vehicles and transportation systems, including buses, passenger cars, new energy vehicles, high-speed trains, subways, ships, and submarines;
Evaluation of breathing exposure and comfort of wearable masks, including space suits, pilot oxygen masks, aircraft passenger oxygen masks, and chemical protective mask systems.
Standards
GB/T 14296-2005 — Indoor Air Quality Evaluation Methods (Air Pollutant Exposure)
GB/T 18883-2022 — Indoor Air Quality Standard
ISO 7730:2005 — Ergonomics of the Thermal Environment — Analytical Determination and Interpretation of Thermal Comfort
ASTM F1291-2020 — Test Methods Related to Breathing and Exposure Measurement
Product Specifications
| Component | Technical Parameters |
|---|---|
| Breathing Function | Sinusoidal breathing profile; breathing frequency 10 breaths/min (one cycle 6.0 s: exhalation 2.0 s, inhalation 2.0 s, pause 2.0 s); customizable on request |
| Exhalation Volume | Adjustable: 7 L/min, 15 L/min, 23 L/min; exhalation positive pressure 10–80 kPa (0.1–0.8 bar); inhalation negative pressure approx. −0.4 bar |
| Breathing Mode | Switchable nasal breathing or oral breathing (when used with a thermal manikin) |
| Exhaled Airflow | Equipped with heating module; airflow temperature adjustable from 34 to 36 °C |
| Sampling Branch | Main breathing line includes a sampling port for aerosol or pollutant sampling |
| Electrical Control System | Integrated control cabinet with pressure gauges and flow display; power supply AC 220 V / 50 Hz; total power ≤ 350 W; exhaled air heating module power ≤ 1000 W |
| Operating Environment | Temperature 10–40 °C; humidity 15–95% |
| Others | Can be used with a thermal manikin or independently with a manikin head; platform with lockable caster wheels; over-pressure and short-circuit protection; total weight approx. 45 kg |
Features
Accurate simulation of human breathing cycles and airflow parameters, with support for customized breathing functions;
Adjustable exhalation temperature to ensure experimental conditions are close to real human breathing;
Compatible with a 16-zone thermal manikin to simulate interaction between body heat sources and breathing airflow;
Modular design allowing independent use or localized experiments on specific body parts;
High-sensitivity airflow control components with millisecond-level response, using imported components from Germany;
Comprehensive safety protection, including over-pressure protection, short-circuit protection, and lockable caster wheels.
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