About using the principle of temperature sensor and temperature sensor broken solution

Now more and more cold, are from the north to warming. Heating in north China coal pollution is still one of the main causes of pollution in the weather. To this end, automate their heating energy-saving renovation project has become the first project of infrastructure construction. According to the report, related technical personnel have been taken to structure optimization, time-sharing regionalization, terminal control, transmission, and frequency conversion, large data cloud strategy, build the intelligence, management system of urban energy consumption of the system. In large data cloud technology, for example, in a building, by joining temperature sensors in each room, through data collection and summary, and whether eventually require heating or cooling, the energy consumption can be. The temperature sensor can be installed on the thermometer or air conditioning panel. Through the infrared sensor, it can accurately measure each different temperature of the room, for example in the enterprise of large conference room. When no one is in the standby temperature, when the infrared sensor to detect when someone is in, it will raise the temperature control air conditioning system, reflecting the time-sharing. Partition strategy. And can effectively play the role of energy saving. - temperature sensor manufacturer Katie to introduce you to: the temperature sensor of the casing failure reason and solution. In many engineering applications, we found that the use of the temperature sensor casing will be broken, it will affect the safe operation of the production machine, in serious cases can cause an accident. Through the survey of sensor tube rupture, find out the cause of the temperature sensor casing rupture: ( 1) Temperature sensor casing is impacted by the high velocity, the load is too large, the stress exceeds the limit, casing failure; （ 2) Temperature sensor shell itself defects lead to stress concentration, easy to cause the shell burst; （ 3) Pipeline vibration caused by temperature sensor casing fatigue damage; （ 4) Fluid flowing through the temperature sensor sleeve, and induced the vibration of the temperature sensor sleeve, namely the temperature sensor of the natural frequencies of the sleeve and the fluid vortex shedding frequency resonance. The resonance phenomenon can cause the damage of the temperature sensor shell faster, lead to fracture. Combining with the condition of temperature sensor casing instability, several possible combined with thermal control and metal disciplines are studied. （ 1) Strictly control the sensor sleeve insertion depth. With the increase of insertion depth, the force on the cases will increase. Therefore, when we measure the temperature, we only need to insert the temperature sensor shell fluid isothermal region and not insert it into the center of the pipe, which is beneficial to shorten the thermometer cantilever length of bag. And to reduce the amplitude at the end of. 。 （ 2) To optimize the diameter of the casing temperature sensor, ensure that the necessary strength sensor casing. Because when the temperature sensor with large diameter, casing pipe on the force increases linearly, so, when choosing casing diameter should be reasonable to ensure the strength of the casing, and try to stagger the resonance of danger. （ 3) Change the section shape, surface processing to turn it into a structural type, make the vortex shedding flow does not produce. （ 4) Strictly control the quality of maintenance, well casing material sensor detection, defect detection, strict welding cracks, fracture and other abnormal accident prevention. （ 5) The system is put into operation, to avoid suddenly opened the valve in the pipeline. When operating valves open, the temperature sensor bushing will suffer great ChanXiangLi. Therefore, when the system was put into operation, should slowly open the valve to gradually increase the system pressure, and as far as possible to reduce the temperature sensor shell. Between the front and rear pressure due to excessive ChanXiangLi general prevent shell burst. When any sensor is put into use, there is always some unexpected situation. Theory with practice, in view of the specific situation put forward the corresponding solution.
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