| 1. General introduction. |
| 1.1. Item |
Thermal Shock Test Chamber (2 zone) |
| 1.2. Model |
TSTC-Z42D |
| 1.3. Patent |
Patent No.: ZL201921774049.7 A thermal shock test chamber |
| Soft copy No.: 2019SR135759 controller system of thermal shock test chamber |
| 1.4. Sample application & prohibited |
The chamber applies to: the metal, plastic, rubber, electronic components, PCB circuit board and other industries. It is used to test the degree of endurance of material structures or composite materials under the continuous environment of extremely high and low temperatures in an instant, so that the chemical changes or physical injuries caused by thermal expansion of samples can be detected in the shortest time. |
| The following samples are prohibited to be tested or stored: |
| – Inflammable , explosive and other volatile substances; |
| – Corrosive substance; |
| – Biont; |
| – Strong electromagnetic emission source. |
| 1.5. Principle and structure |
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| Two zone structure: Divided into low temperature area, moving basket for product, high temperature area. |
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| 1.6. Shock test mode |
4 modes: high temperature, low temperature, high temperature → low temperature, low temperature → high temperature) |
| 1.7. Conforms to standard |
GBT 5170.2-2008 Environmental Testing Equipment Inspection Methods for Electronic and Electrical Products |
| GB/T2423.1-2008 (IEC68-2-1) Test A: Low temperature test method |
| GB/T2423.2-2008 (IEC68-2-2) Test B: High temperature test method |
| GJBl50.3-2009 (MIL-STD-810D) High Temperature Test Method |
| GJBl50.4-2009 (MIL-STD-810D) Low Temperature Test Method |
| GJBl50.5-2009 Temperature Impact Test Method, and other testing standards |
| 2. Size |
| 2.1. Inner size |
W400*H350*D300mm;; Volume: 42L (liters) |
| 2.2. External size |
W1350*H1950*D1850mm appr. |
| 2.3. Test space |
The test space can not be more than three-quarters of the total space |
| 3. Performance |
| 3.1. Temperature range |
-65℃→+150℃ |
| 3.2. High temp. Shock range |
+60℃～+150℃ |
| 3.3. Low temp. Shock range |
-10℃～-65℃ |
| 3.4. Pre cooling of low temp. zone |
RT (room temperature) ~- 70 ℃, about 65min |
| 3.5. Pre heating of high temp. zone |
RT (room temperature) ~ 170 ℃ for about 30 minutes |
| 3.6. Hanging basket switching time |
≤10S |
| 3.7. Shock dwell time |
≥30min |
| 3.8. Shock recovery time |
≤5min |
| 3.9. Temperature fluctuation |
±0.5℃ |
| 3.10. Temperature deviation |
±2.0℃ |
| 3.11. Temperature uniformity |
±2.0℃ |
| The above temperature and humidity performance is measured under the condition of ambient temperature 25℃±3℃, relative humidity ≤85%, ,no-load and no sample inside chamber. |
| 4. Structural features |
| 4.1. Chamber material |
In-wall material: SUS304 |
| External material: Cold rolled steel plate spray painting |
| Insulation material: PU polyurethane foam, thickness 100mm |
| 4.2. Duct circulation |
Centrifugal circulation motor |
| 4.3. Test chamber |
Φ 1 wiring hole at the top of the 50mm device, equipped with a sealant plug. |
| 4.4. Door lock |
Convenient hook lock |
| 4.5. Control panel |
7-inch touch screen controller, power switch, running indicator, USB data download interface |
| 4.6. Sample shelf |
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| Sample shelf with adjustable height for punching holes |
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| 4.7. Electronic control system |
picture for reference. |
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| Strictly implement relevant standard and normative operations; |
| All lines are clearly marked and easy to maintain; |
| All lines are equipped with wire terminals for point-to-point connection, with high reliability and long service life. |
| 4.8. Shock curve (for reference) |
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| 4.9. Power cable |
The equipment is equipped with a condensate water outlet at the back and a national standard 2.5 meter long cable. |
| 5. Refrigeration system |
| 5.1. Refrigeration compressor |
Hitachi (Japan) |
| 5.2. Evaporator |
Finned tube evaporator |
| 5.3. Condenser |
Air-cooled condenser (Control the ambient temperature at +5～25℃±3℃) |
| 5.4. Expansion system |
Refrigeration system of volume control (capillary) |
| 5.5. Refrigerant |
R404a (Eco-friendly, Ozone loss rate at 0) |
| 6. Controller |
| 6.1. Features |
The hardware architecture adopts: PLC listed company Xinjie + MCGS 7-inch human-machine interface touch screen |
| The software is independently developed and has a software copyright registration certificate. (with Strong scalability, non-standard custom software can be modified as required) |
| Flat design, convenient operation and large storage space |
| 4GB storage space, can store data for more than 10 years. |
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| 6.2. Control mode |
Program mode: 50 groups of programs, which can set all program loops, program connections, program end actions, and standby actions. |
| 6.3. Sensor |
T-type high-precision sensor |
| 6.4. Analog output |
Voltage pulse (SSR) 2 points, DC 24V, minimum pulse width 5ms. |
| 6.5. Communication port |
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| USB: The controller can download historical curves and historical data and saved in JG and Excel format. |
| RS485: The maximum communication speed is 115200bps, and the maximum communication distance is 1.2km, which can connect up to 99 devices. (Provide communication protocol, excluding software development). |
| 7. Safety protection device |
| 7.1. Refrigeration system |
Compressor over-current protection |
| Compressor over-pressure protection |
| Compressor over-temperature protection |
| 7.2. Electronic control system |
Heater over temperature protection |
| Overload short circuit leakage protection |
| Motor overheating protection |
| Abnormal gas source protection |
| Power supply phase failure protection |
| 8. Accessories & parts |
| The chamber is to be transported as a unitary; Accessories as follows: |
| Instruction Manual & warranty card; |
| 1 set of φ50 mm (installed); |
| 2 shelves ; |
| castor x 4 & Foot Cup x 4 (installed). |
| 9. Usage requirements (assured by users as below requirements) |
| 9.1. Installation position |
– With leveling ground and good ventilation; |
| – No strong shock near the chamber; |
| – No strong electromagnetic field near the chamber |
| – No inflammable , explosive , corrosive material and dust |
| – Surrounding size for chamber operation and maintenance: |
| A: not less than 10 cm |
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| B: not less than 60 cm |
| C: not less than 60 cm |
| D: not less than 150 cm |
| 9.2. Condition |
Temperature: 5℃～25℃±3℃ |
| Humidity: ≤85% |
| Air pressure: 86 kPa～106 kPa |
| 9.3. Air source |
Air pressure: 5-8kg/cm2, pipe diameter: 8mm gas pipe. |
| 9.4. Power supply condition |
AC 380 V±10% + Protection grounding |
| (customization for 60 Hz is available) |
| Resistance of protection grounding wire less than 4Ω. |
| It’s required to equipped with an air switch of corresponding capacities, and this switch must be used independently for the equipment (can not to be connected to a socket). |
| Power: 22KW |
| Max. Currant: 33 A |
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