OPERATOR’S MANUAL FOR INFANT INCUBATOR EDITION/REVISION B/0
3-1
I4-1
SECTION 3
FUNCTIONAL DESCRIPTION
3.1 GENERAL FUNCTIONAL DESCRIPTION
The Infant Incubator adopts temperature control system (Air Mode and Baby Mode),
humidity controlling system, oxygen concentration controlling system and weighing system (if it
is applicable).
Heat output control in Air Mode: it will control the heater’s output automatically
according to the Air temperature sensor, see instruction in section 4.5.2.1;
Heat output control in Baby Mode: it will control the heater’s output automatically
according to the Skin temperature sensor, see instruction in section 4.5.2.2.
Oxygen input control：Autocontrol the valve according to the oxygen concentration in the
incubator which detected by the oxygen concentration sensor. Please refer the section 6 to see
the details.
Reservoir humidifying output control： Autocontrol the humidifier according to the
humidity in the incubator which detected by the humidity sensor. Please refer the section 7 to
see the details.
The set temperature, air temperature, skin temperature, oxygen concentration，oxygen
setvalue, humidity value, humidity and weight (if it is applicable) can be indicated separately.
Except for the listed parts in section 1.4, the Infant Incubator also has 4pcs casters. (Two
of them with brakes)
3.2 TEMPERATURE CONTROL PRINCIPLE
The control of temperature, humidity and oxygen concentration inside hood is achieved by
means of the forced air circulation system as shown in Figure 3.1.
When the oxygen control function is locked, the outside air is filtered, it will flow through the
heater which can heat the air, and then the air enters into the hood through the inlet port under
the drive of fan motor, after then, it will be cycled back to the fan motor through the inlet port to
form the heat air cycle flow. And this heat air flow will come to the top of water tank and enter
into the hood with the vapor above the water.
When turning on the oxygen control function，oxygen flow through the oxygen input
connector, then pass the electromagnetism valve and enters into the air-oxygen seprating
device through the oxygen input connector, after then, it enters into the heat air cycle flow
under the drive of the fan motor to supply the oxygen in the incubator.
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