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

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.

Accessories

Test Principle

The manikin breathing system simulates a sinusoidal human breathing cycle by controlling inhalation and exhalation flow rate, pressure, and temperature. When combined with a thermal manikin, the system generates thermal airflow patterns and air distribution similar to those of the human body. Under controlled experimental conditions, you can collect data on particle concentration, gaseous pollutant distribution, and airflow behavior. These data are used for breathing exposure assessment, airborne disease research, and indoor airflow field analysis.

Operation Instructions

Confirm that the ambient temperature is 10–40 °C and relative humidity is 15–95% before installation;

Ensure power supply is AC 220 V / 50 Hz, with total power ≤ 350 W and exhaled air heating module power ≤ 1000 W;

Connect the breathing system to the thermal manikin using quick-connect interfaces and check cable integrity;

Set breathing parameters such as frequency, volume, inhalation/exhalation timing, and breathing mode, with PID parameters automatically tuned;

Switch between nasal and oral breathing modes during testing as required by the exposure scenario;

When using the sampling branch, ensure aerosol sampling devices are properly connected to avoid air leakage;

After testing, switch off the system, save data, and disconnect all connections.

Test Procedure

Connect the breathing system to the thermal manikin or head model and check all cables and interfaces;

Power on the control system and set breathing parameters and airflow temperature;

Activate the heating module and wait until exhaled air temperature stabilizes;

Select nasal or oral breathing mode according to test requirements;

Start the experiment and record breathing pressure, flow rate, temperature, and particle distribution data in real time;

After completion, shut down the system, disconnect power, and clean sampling ports and pipelines.

FAQ

1. What is this product?

It is a manikin breathing system designed to realistically simulate human inhalation and exhalation under controlled laboratory conditions.

2. What is this product used for?

You use it to study breathing exposure, aerosol dispersion, air pollutant risks, and airborne disease transmission in indoor and confined environments.

3. Why is this product important?

It provides repeatable and controllable breathing simulations, avoiding the variability and safety risks associated with human subject testing.

4. What industries is this product suitable for?

It is suitable for HVAC research, public health, occupational hygiene, aerospace, transportation, medical research, and environmental testing laboratories.

5. What types of this product are available?

The system can be used independently or integrated with a 16-zone thermal manikin, with optional nasal or oral breathing modules and child or infant configurations.