Degree continuous ambient thermal shock test machine used to test the material structure or composite material, in an instant by the extremely gentle with the extremely low temperatures that can, in order to test the chemical due to thermal expansion and contraction caused in the shortest possible time reaction or physical harm, applicable objects, including metal, plastic, rubber, electronic ...... and other materials can be used as a basis for improvement of their products or reference to a thermal shock chambers technical parameters 1, temperature range: -40 ℃ ~ 150 ℃, -55 ℃ ~ 150 ℃, -65 ℃ ~ 150 ℃ 2, the high temperature heat storage tank: RT + 10 ℃ ~ 150 ℃ 3, low temperature thermal storage tanks: -40 ~ 10 ℃, -55 ~ 10 ℃, -65 ~ 10 ℃ 4, the temperature fluctuation: ± 1 ℃ 5, the temperature error: less than ± 2 ℃ 6, pre-cooling the lower limit temperature: ≤-65 ℃ 7, studio shock temperature: -60 ℃ ~ 150 ℃ 8, Temperature Recovery Time: ≤5min 9, Power requirements: AC380 (± 10%) V / 50HZ three phase five lines 10, 11 automatic ventilation device for cleaning pollution, use of hot and cold air path switching by importing the test area. In doing hot and cold impact test system with high-precision automatic loop, either mechanical movement, completely locked by PLC (three box-impact way to thermal shock) Second, thermal shock chambers Cooling System: 1, refrigeration systems and compressors: To ensure the chamber cooling rate and minimum temperature requirements, the test chamber using a semi-closed compressor imported from Germany consisting of a water-cooled binary cascade refrigeration system. Cascade cooling system includes a refrigeration cycle and a low temperature refrigeration cycle, which is connected to the evaporator vessel condenser, evaporator and condenser is also the role of energy transfer, the studio through a two-stage refrigeration system heat transfer out to achieve long warm purposes. Design and Application of refrigeration system energy regulation technology, an effective treatment can guarantee but also on energy and cooling capacity of the refrigeration system for effective regulation of the refrigeration unit in the case of normal operation, so that the refrigeration system operating costs and the failure rate has dropped to a more state of the economy; 2, refrigeration works: the level of the refrigeration cycle are used against the card if the loop, which consists of two isothermal and two adiabatic components. The procedure is as follows: adiabatic compression of the refrigerant through the compressor to a higher pressure, the power consumption of the exhaust gas temperature, after the refrigerant through the condenser and ambient media isothermal heat exchange medium heat to four weeks. After the refrigerant flows through the valve adiabatic expansion work, when the refrigerant temperature decreases. Finally, the refrigerant passes through the evaporator isothermal heat from high temperature object, the object to be cooled so that the temperature is lowered. This cycle so as to achieve the purpose of cooling the cycle; 3, Refrigerant: DUPONT company uses R404A (temperature cycle), R23 (temperature cycling); 4, accessories: expansion valve (US SPORLAN), the solenoid valve (Italy CASTEL); filter (US SPORLAN); a pressure controller (BAR RANCO); the oil separator (Europe and ALCO) and other refrigeration parts are imported; 5, with automatic and manual defrost circuit; 6, U-TYPE chip high-speed heating electric eel tube; 7, the inner spiral K-TYPE refrigerant brass; 8, imported high-efficiency power compressor (using the German "Copeland" water-cooled compressor); 9, the slope formula FIN-TUBE evaporator; 10, Imported solenoid valve, filter drier, capillary freeze components; 11, using air-cooled condensers; 12, high stability of the refrigerant R404, R23 environmentally friendly refrigerant; 13, a refrigeration system using binary refrigeration (cascade ) fast, stable; 14, heat storage area, storage area using the multi-wing circulating fan, forced convection air flow, improve the uniformity of temperature effect; 15, hot and cold area and the test area are using PID + SSR microcomputer temperature control, automatic calculation to control accuracy; three, thermal shock chambers air conditioning system: 1. Air conditioning: forced ventilation balanced temperature method (BTC). This method refers to the cooling system in the case of continuous operation, the control system according to the temperature set point to control the output of the heater by the results of the automatic operation PID output, and ultimately achieve a dynamic equilibrium; 2. air circulating means: Built air-conditioned rooms, circulation air duct and the long axis of the centrifugal fan, refrigerator and the use of efficient energy regulation system, through the effective and efficient fan exchange, to achieve the purpose of temperature change. By improving the flow of air, improve air flow and the heater and air cooler heat exchange capacity, thereby significantly improving the chamber temperature uniformity; 3. Heating way: quality nickel-chromium alloy wire heater; Fourth , thermal shock chamber box structure: 1, outer box material: steel surface spray; 2, the inside walls of material: SUS304 stainless steel plate; 3, the entire cabinet is divided into upper, middle and lower three zones are high-temperature zone, test, low temperature zone, the high temperature zone valve automatically opens when the low-temperature impact testing area so as to achieve a high temperature and low temperature impact test; 4, insulation material: high-temperature fire PU insulation layer and high-density fiber insulation cotton, and use the new design of the K-type anti-sweat duct system; 5, sample holder bearing: less than 30 kg; 6. Cable hole: the test area to open a cable hole Φ50mm; 7, the system meets the reliability test of thermal cycles Specifications (in line with CNS, MIL, IEC standards) 8, the test sample placed on the sample holder, precision pneumatic valve system drive or storage area of ??regenerative area, guided air circulation, to achieve cold test temperature uniformity; 9, Using a specially designed, space-saving and easy to operate, easy to maintain; adjustable 10 to test the area under the stainless steel plate to attach two; 11, the bottom of the machine to install high load sheave for mobile devices; 12, it can be cold and high heat tensile double seals (PACKEYG) five thermal shock chambers and control system: 1, the control device: The main controller using imported Japanese production "OYO" touch screen multi-loop precision microcomputer controller. The controller uses LCD display, can be directly set parameters, run time with a finger touches the screen, set the curve, heater status, PID parameter self-tuning feature. Establishment of control procedures using interactive mode, just set the temperature, it can achieve cooling, heating Autorun feature. Control system with improved detection device can automatically perform detailed fault display, alarm; 2, setting accuracy: Temperature: 0.1 ℃ Resolution: ± 0.1 ℃ temperature sensor: T type thermocouple body control:. thermal equilibrium thermostat mode; all appliances are used (Schneider) product temperature control with channel P I D + S.SR coordinated control system with automatic calculation function can be immediately corrected temperature condition, the temperature control is more precise... stable controller interface is provided in English to choose, real-time operating graph may display after input data and test conditions, the controller has a screen lock feature to avoid human touch and stop having RS-232 communication interface, can be the computer design program, to monitor the testing process and execute Switcher, automatic screen saver function controller has a screen, in the long run the state to better protect the LCD screen (make it longer life) VI, thermal shock chambers security Action: 1, the studio over-temperature; 2, refrigerator overpressure; 3, refrigerator overload; 4, refrigerator oil; 5, heater short circuit, overload; 6, blower motor overload; 7, the system leakage protection; Seven, thermal shock chambers equipment conditions: 1, ambient temperature: 5 ℃ ~ + 28 ℃ (within 24 hours the average temperature ≤28 ℃) 2, humidity: ≤85%; 3, machine placed around, not each 80 cm Place things; eight, thermal shock test chamber to meet standards: This product strictly according GJB150.3-86 GJB150.4-86 GJB150.5-86 high and low temperature impact test. National standards for manufacturing, and equivalent to meet the appropriate national standard, military standard; also according to customer requirements manufacture non-standard products; free delivery and installation operation (until the demand side operate independently and staff satisfaction)