Hot and cold shock test box operation method of use Introduction Hot and cold shock test box according to test requirements and test standards are divided into three box type and two box type, the difference is that the test method and the internal structure of different temperature shocks: by the corresponding multi-level evaporator structure Cut off, control the evaporating area to match the expansion valve of the cooling capacity, use the output of the cooling system to reasonably reduce the output of the heater neutralization to achieve a constant energy saving, and an independent ventilation valve to introduce ambient air during exhaust (normal temperature recovery) Air intake air intake at ambient temperature Exposure to the outside Air exhaust Venting from the machine room and test area Scheduled function Predetermined test start time, the test chamber starts automatically and is ready for trial start Exposure time Shortening function Test area After the air temperature reaches the exposure temperature, it is switched to the next exposure function. Pre-treatment/post-processing function Before or after the start of the cyclic test, the sample is exposed to a high temperature (heat treatment) for a certain period of time. Drying operation Function Test operation under the joint A certain time: The quality of the hot and cold impact test machine The main core parts are all international Brand accessories such as France Taikang, Japan Road Palace / and spring / Mitsubishi, Schneider, the United States Crydom / DuPont refrigerant, Denmark (DANFOSS), Sweden (AlfaLaval) and other accessories, a penalty of ten, can ensure that high and low temperature impact test box normal and efficient The operation. Compared with other peers: The use of domestic accessories or the use of counterfeit counterfeit accessories to serve as brand accessories, delivery to the customer and said completely inconsistent, the quality of discounted. II: Equipment Technology Advantages 1. Adopt 7′′ TFT true color LCD touch screen, which is larger, more intuitive, simpler to operate, stable in operation, and more energy-efficient than other screens. 2. Evaporator adopts flood dip leak detection method to thoroughly check leakage. Ensure the stable operation of the equipment 3. Adopt the modular refrigeration unit, which can ensure the manufacturing quality, and it is very convenient to maintain and replace 4. Adopt the high uniformity positive pressure air duct system, the temperature is evenly high 5. Adopt the latest automatic defrosting With the technology, the defrosting time is shortened, and the efficiency of the test equipment is greatly increased.. 6. It has multiple safety protection measures, fault alarm display, and causes of faults and exclusion functions. Three-box cold and thermal shock testing machine compared to other equipment: 1. The controller interface is small in color and is inconvenient for observation and operation 2. Traditional methods used to detect leakage of soapy water are not thorough 3. The refrigeration unit is installed together with the chassis base plate, resulting in poor manufacturing quality and maintenance performance. Without automatic defrosting technology, manual defrosting is required before testing, and the efficiency is not good. 5. Most high-low temperature impact test boxes in the same industry, usually after a period of operation Begin frosting, and the defrosting time is very long, and the efficiency of use is low. 6. In order to save costs, the peer equipment leads to a single safety protection measure for the equipment, which is very likely to cause safety hazards.Three: three-box type thermal shock test machine energy-saving advantages three Box type cold and heat shock test box adopts self-developed control system, high precision, stable operation is simple, the controller abandons the fixed mode of Japan and South Korea and other controllers, using the latest fuzzy computing technology, automatic analysis of load capacity, reasonable regulation of refrigerant flow.
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