Altitude Thermal Chamber | High Altitude Simulator & Thermal Test Chamber

1. Product Overview

1.1 Product Name

Altitude Thermal Chamber

1.2 Product Model

WA-ST-216ATC

1.3 Effective Volume

216L

1.4 Inner Dimension

W600*D600*H600mm

1.5 Overall Dimension

W940*D2117*H1670mm

Kindly reminder: The actual product shall prevail.

1.6 Power

8KW

1.7 Max. Current

15A

1.8 Power Source

Three-phase, 380VAC±10%, 50Hz±0.5Hz

1.9 Weight

Approx 1260KG

1.10 Noise

≤75dB

2. Performance at Ambient Air Pressure

2.1 Condition

Environment temp.: +5℃～+35℃, Relative humidity: ≤85%.

No load (Without specimen in the testing zone)

2.2 Temp. Range

-20℃ ~ +150℃

2.3 Temp. Fluctuation

≤ ±0.5℃

2.4 Temp. Deviation

≤ ±2.0℃

2.5 Temp. Gradient

≤ ±1.0℃

2.6 Temp. Heating

Time

-20℃→100℃: ≥2℃/min, average, non-linear, no load

2.7 Temp. Cooling

Time

100℃→-20℃: ≥1℃/min, average, non-linear, no load

2.8 Wind Speed

<1.7m/s

3. Performance at Low Air Pressure

3.1 Altitude and Pressure

3.2 Temp.-Air Pressure Integrated Control

3.3 Air Pressure Range

50KPa ~ Standard atmospheric pressure

3.4 Pressure Deviation

≤ ±2KPa

3.5 Pressure Reducing Time

101KPa→50Kpa: ≤30min

3.6 Pressure Recovery Time

≤10KPa/min

4. Structure & Material

4.1 Structural Features

The overall internal pressure-bearing structure is adopted to meet the long-term use.

4.2 External Chamber

Cold-rolled steel plate with painting, thickness ≤1.2mm, can ensure long-term use.

4.3 Internal Chamber

SUS304# high & low temperature resistance stainless steel, thickness≥5mm.

TIG seamless welding to ensure absolute sealing and no leakage.

4.4 Air Conditioning System

The air conditioning system is located at the rear of the internal chamber and includes the following components: temperature sensor, forced convection circulation fan, nickel-cadmium alloy helical heater, evaporator. The air in the altitude thermal chamber is processed by the air conditioning system for internal circulation to achieve heating, cooling and other functions.

4.5 Insulation Material

The thickness of the insulation layer: 150mm, all of which are made of flame-retardant materials. The outer layer is bonded with high-density polyurethane for heat insulation and moisture resistance, and the inner layer is insulated with glass wool felt.

4.6 Refrigeration Unit

The single-stage refrigeration system composed of semi-hermetic piston compressors mainly includes refrigeration components such as compressors, condensers, evaporators, and throttle valves.

4.7 Controller

Includes various components for control and related alarms, such as controller modules, fuses, motor starters, circuit breakers, contactors, relays, transformers, DC power supplies, etc.

4.8 Chamber Door

Full opening single wing door with double layer silicone rubber seal and door lock. The equipped door lock can be pressed to prevent the door from leaking; the equipped explosion-proof chain can improve the safety performance during battery testing.

4.9 Observation Window

With vacuum glass observation window on the door; and door frame with electric heat resistant, anti-frosting, anti-condensing devices, ensures clear observation of the specimen under testing.

4.10 Testing Hole

Each 1 DN100mm testing hole on left and right of the chamber, with silicon seal and stainless-steel cover.

4.11 Sample Holder

Equipped with 2 stainless steel plate stamping parts racks, bearing ≥30kg.

4.12 Control Panel

LCD touch screen programmable controller

4.13 Power Distribution Control Cabinet

The main power circuit breaker, controller, power distribution board, cooling fan, and digital over-temperature protector are installed inside.

5. Electrical Control System

5.1 Controller

PLC controller, simultaneously controls temperature and air pressure.

5.2 Screen Display Function

l 7-inch color display screen;

l Direct display of temperature and pressure set value (SV) and process value (PV);

l Can display test program number, segment, remaining time and cycle times, running time;

l Test program editing and graphic curve display;

l Individual program editing screen, each page can input 4 segments of temperature and time;

l Fixed point or program action status display;

5.3 Program Capacity and Control Functions

l Available programs: 120 groups at most, one program can be composed of 1 to 100 segments, a total of 1200 segments.

l Repeatable execution of commands: each command can be up to 999 times, the program slope can be set by the time axis, the maximum time between programs can be set at 99 hours and 99 minutes, and the minimum is one minute.

l It has functions such as editing, clearing, and inserting, with 4 groups of time signal output control (which can control the ON/OFF action of the object to be tested), with 9 groups of PID parameter settings, and has the function of skipping and holding during program execution.

l With power-off program memory, it will automatically start and continue to execute program functions after power-on.

l With scheduled start and shutdown functions.

5.4 Communication Function

l It can be connected to an industrial PC to display curves and obtain data.

l It can be connected to monitoring and remote-control systems, such as battery cycler systems.

l Multiple machines can be controlled synchronously.

5.5 Data Read

Read set values, process values and operating curves.

5.6 Display Resolution

Temperature: 0.01℃; Time: 1min.

5.7 Power-off Memory Function

The power-off recovery mode can be set as: warm start, cold start and stop.

5.8 Scheduled Power-on Function

The power-on time can be set at will, and the machine will run automatically after the power is turned on.

5.9 Temperature Sensor

PT100 platinum resistance

5.10 Software Usage Environment

Support English version of PC Windows operating system

5.11 Auxiliary function

l Fault alarm and cause, processing prompt function;

l Power-off protection function;

l Upper and lower limit temperature protection function.

5.12 Heater

Nickel-chromium alloy heating wire, high efficiency and long service life.

5.13 Heating Control Method

The temperature controller controls the heater output according to the set temperature and the process temperature.

6. Refrigeration Control System

6.1 Air Cooling Method

Single stage compressor refrigeration system

6.2 Compressor

Cryogenic compressors made in Europe

6.3 Cooling Method

Air cooling

6.4 Evaporator

High efficiency multi-segment fin type evaporator

6.5 Throttling Device

Thermal expansion valve and capillary

6.6 Oil Separator

The refrigerated oil droplets mixed with the high-temperature and high-pressure refrigerant gas discharged from the compressor are separated and returned to the compressor's curved rail cavity for lubrication and cooling of the compressor.

6.7 Filter Drier

Absorb the residual moisture and acidic substances in the refrigerant of the refrigeration system, and filter out the solid impurity particles and copper chips in the system, so as to protect the normal operation of the expansion valve and capillary.

6.8 Refrigerant

Environment friendly refrigerant HFC R404a (Other options are available)

6.9 Refrigeration System Features

l The entire system pipelines are subjected to a leak test of 22kg of ventilation and pressure.

l The heating and cooling systems are completely independent.

l All the action procedures of the refrigeration system are completely controlled by the microcomputer controller.

l There is a water collecting tray at the bottom of the compressor, which can collect the condensation water produced by frost.

l The compressor comes with a PTC temperature sensor, which realizes over-temperature protection when the compressor is over-temperature.

l The compressor has its own oil pressure protector to achieve compressor oil pressure protection.

l The high-pressure protection device monitors the pressure of the refrigerant during the working process of the equipment. Once the refrigerant pressure is higher than the limit pressure of the system, an alarm will be issued immediately and the power will be cut off until the fault is eliminated.

l The application of refrigeration and cold balance technology can save about 30% of electric energy and effectively reduce the cost of use.

7. Vacuum System

7.1 Vacuum Pump

The vacuum is realized by a single-stage rotary vane pump, and the precise control of the pressure is realized by starting the on-off of the butterfly valve.

7.2 Vacuum Valve

Select high-quality vacuum accessories to ensure the vacuum degree of the altitude thermal chamber.

7.3 Vacuum Clamp

Use high-quality stainless-steel clamps and high temperature resistant fluor rubber sealing rings.

7.4 Vacuum Sensor

The pressure is precisely controlled with a high-precision pressure sensor.

7.5 Magnetic Fluid

High-quality magnetic fluid is used to ensure the reliability and tightness of the connection.

8. Safety Protection System

8.1 Refrigeration System

l Compressor overheating protection

l Compressor overload protection

l Compressor overpressure protection

l Compressor overtemperature protection

8.2 Test Chamber

l Extreme digital display over-temperature protection

l Pressure automatic balance protection

l Bottom protection prevents water accumulation

l Explosion-proof chains are specially equipped for battery testing.

8.3 Heating System

l Heating tube extreme over temperature protection

l Heating tube short circuit protection.

8.4 Power Supply

l Overall power overload and short circuit protection

l Control circuit overload or short circuit protection.

8.5 Circulation Fan

l Fan overload

l Fan short circuit

l Fan reverse protection.

8.6 Vacuum System

Vacuum pump overload protection.

9. Environmental Conditions and Installation Site Requirements

9.1 Operating Temperature

5℃~30℃

9.2 Relative Humidity

≤85%RH (No condensation)

9.3 Storage temperature

0℃~45℃

When the ambient temperature is lower than 0°C, the water retained in the equipment should be drained before the equipment is stopped for a long time, so as to prevent the water in the pipeline from freezing and causing damage to the pipeline.

9.4 Installation site

l It must be a flat and vibration-free ground;

l Keep away from heat sources and flammable and explosive substances;

l There are no strong electromagnetic radiation sources nearby;

l Cannot be exposed to direct sunlight, and maintain indoor air circulation;

l The installation site needs to be clean, and it cannot be installed in a dusty place or dust outlet;

l The ground bearing capacity of the site: not less than 600kg/m2;

l Allow adequate maintenance space around the chamber:

A: not less than 600mm,

B: not less than 600mm,

C: not less than 1200mm.