| 1. Model and name | ||
| 1.1 Name | High and low temperature impact test chamber (three compartments) | |
| 1.2 Model | HS/TCS series | |
| 2. Explanation of application and restrictions | ||
| 2.1 Restrictions on test products | a) Testing and storage of flammable, explosive and volatile substance specimens. | |
| b) Testing and storage of corrosive substance specimens Testing or storage of biological specimens. | ||
| C) Testing and storage of strong electromagnetic emission source specimens. | ||
| 3. Volume and size | ||
| 3.1 Test area volume | The volume size can be customized according to customer requirements | |
| 4. Performance | ||
| Test conditions | The temperature of the equipment placement space is 23°C, and the equipment is not loaded. | |
| High and low temperature impact temperatures | Low temperature: -10/-20°C/-40 three grades, high temperature 160°C. | |
| High temperature chamber preheating temperature range | Normal temperature ~ 200°C | |
| Cryogenic chamber precooling temperature range | -45℃ | |
| Temperature fluctuations | ±0.5℃ | |
| Temperature uniformity | 3℃ | |
| Temperature deviation | 2℃ | |
| The heating time of the high-temperature box | Room temperature to 200°C for 40 minutes. | |
| Cryogenic chamber cooling time | Room temperature to -45°C for 90 minutes. | |
| Temperature recovery time | 5 minutes (Time to reach the set value.) 70°C to -10°C, and -10°C to 70°C, recovery within 3 minutes. | |
| Refer to the test standard | 1. GB/T 2423.1-2001 Test A: Low temperature test method; | |
| 2. GB/T 2423.2-2001 Test B: High temperature test method; | ||
| 3. GB/T2423.22-2002 Test N: Test method for temperature change | ||
| 4. GJB/150.3-1986 High temperature test | ||
| 5. GJB/150.4-1986 Low temperature test | ||
| 6. GJB/150.5-1986 Temperature Shock Test | ||
| 5. Structure and materials | ||
| Outer box | After cold-rolled steel plate pickling, high-temperature electrostatic spraying is orange-patterned Rittal white. | |
| Inner box | SUS304 stainless steel plate. | |
| Insulation | Rigid polyurethane foam and glass wool. | |
| box door | The test box opens the door alone. | |
| Observation | The door is equipped with a hollow thermal conductive defrost glass observation window and LED lighting. | |
| Sealed | High-quality foam silicone seals. | |
| Switch valves | A. It is divided into high temperature tank, low temperature tank and test tank. The high and low temperature tank is used as energy reserve, and the test tank is the experimental area used by users. | |
| B. There is a valve separation between the high and low temperature tank and the test tank, and the corresponding valve is automatically opened when impacting. | ||
| C. There is an independent ventilation valve, which introduces ambient air during exhaust (normal temperature recovery). | ||
| 6. Air supply temperature measurement system | ||
| Air supply characteristics | Air is supplied horizontally from right to left by the test chamber | |
| Circulation motor | Su Heng silent motor. | |
| Wind wheels | Multi-wing centrifugal circulation fan, high and low temperature resistant aluminum alloy blades. | |
| sensors | T-type thermocouple sensor. | |
| 7. Freezing system | ||
| Refrigeration method | Mechanical compression, stacked refrigeration. | |
| Compressor | French Taikang fully enclosed refrigeration compressor, double stack refrigeration. | |
| Refrigerant | Non-fluorinated HFC R404A+R23 | |
| Condenser | Air-cooled condenser, micro motor. | |
| Evaporator | High-efficiency multi-stage aluminum alloy fin evaporator (fin thickening type) | |
| Oil separator | Emerson | |
| Expansion valve | Danfoss thermal expansion valves | |
| Solenoid valves | Custer solenoid valve | |
| Eye-seeing mirror | Danfoss | |
| System features: | 1. Automatically switch the flow rate of the refrigeration system according to different working conditions, and cut off the excess system in a constant section to maintain energy-saving operation. | |
| 2. Cooling control: The combination of multi-stage evaporators can obtain more uniform and efficient cooling exchange efficiency and refrigeration output. | ||
| 3. The flow control is automatically adjusted by the matching thermal expansion valves; | ||
| 4. Impact of different temperature sections: the multi-stage evaporator structure is cut off accordingly, the evaporation area is controlled to match the cooling volume expansion valve, and the output of the refrigeration system is used to reasonably reduce the output of the heater neutralization to achieve constant energy saving. | ||
| 8. Heating system | ||
| Heating tubes | Fin-type nickel-chromium alloy electric heating pipe, ceramic bracket fixed installation. | |
| Control mode | The signal is output by the controller, and the high-precision contactless switch control is achieved through the SSR solid-state relay. | |
| 9. Controller and control circuit – use touch screen program controller | ||
| Control mode | High-precision touch screen input method. | |
| shown | 7-inch color LCD display | |
| Input | 3 sets of inputs, support PT100, thermocouple T, K, E, etc | |
| Precision | 0.1 High-precision sampling | |
| Mode of operation | Program operation mode. | |
| Output method | PID+SSR/SCR automatic forward and reverse bidirectional synchronous output. | |
| Breakdown | It has fault alarm output, and humanized prompts for fault causes and troubleshooting methods | |
| Software features | 1. Temperature curve: built-in recording program, controller memory can be stored for 24H operation for 300 days. | |
| It can be easily and automatically generated and exported to XLS tables. | ||
| 2. External USB port: can be directly connected to the printer to realize local data printing by wire, | ||
| You can easily export historical curves and other data from the USB port using a USB flash drive. | ||
| Control circuit requires components | The main components of the control line (indicator lights, pushbutton switches, relays, circuit breakers, AC contactors, etc.) are mainly Schneider brand components. Solid state relays use Goodt brand components. | |
| 10. Protection function | ||
| 1. Double over-temperature protection in the test area | ||
| 2. Equipped with fuseless protection switch | ||
| 3. Heater leakage protection switch | ||
| 4. The compressor is overloaded and overheated | ||
| 5. Compressor high and low pressure protection | ||
| 6. System overcurrent protection device | ||
| 7. The controller self-diagnoses faults and displays them | ||
| 11. Other parts | ||
| 11.1 Standard equipment | 1. 2 sets of test racks | |
| 2. A set of soft plugs with 50MM diameter test holes | ||
| 3. Operation manual and maintenance manual | ||
| 4. A set of load-bearing pulleys at the bottom of the box. | ||
| 12. Conditions of use | ||
| 1. Ambient temperature: 5°C-20°C, and the equipment is well ventilated and there is no temperature accumulation. | ||
| 2. Relative humidity: ≤85%RH; | ||
| 3. Atmospheric pressure: 80kPa~106kPa | ||
| 4. No strong vibration around | ||
| 5. Power supply voltage: | ||
| 5.1 Connected to power supply 380V AC (±10%), three-phase wire + protective ground wire, grounding resistance ≤ 4Ω; 6. Frequency: 50±0.5Hz | ||
| 7. Ambient air quality requirements: free of high concentration of dust and flammable. Explosive gas or dust, there is no strong electromagnetic radiation source nearby. | ||
| 8. Items containing flammable, explosive or volatile and corrosive gases should not be placed in the box for testing or storage | ||
| 9. Specimen placement requirements: The total volume of the specimen shall not be greater than 2/5 of the volume of the box, and the horizontal area of each layer of the box shall not be greater than 2/5 of the cross-sectional area. Otherwise, it may seriously affect the performance of the test chamber or not work properly. | ||
| 13. After-sales service | ||
| 1. Provide door-to-door equipment installation, new machine commissioning, and training. | ||
| 2. Warranty period of the whole machine: one year. | ||
| 3. A complete maintenance service team to provide fast and professional maintenance services. (Reply within 2 hours for maintenance, and dispatch service personnel within 24 hours.) ) | ||
| 14. Equipment implementation and acceptance standards | ||
| According to the method indicated by the relevant national standard, the acceptance shall be carried out with reference to the technical agreement confirmed by both parties. | ||
Product Details:
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Three-Zone Thermal Shock Test Chamber
The high and low temperature cold and thermal shock test chamber is mainly used to test the performance of products in the storage, transportation and use of high temperature and low temperature instantaneous change climatic environment. It is widely used in electrical and electronic products, components, parts, aerospace, metals and other materials to carry out repeated instantaneous change tests from high temperature to low temperature and then to high temperature.