A Performance Test Device for Thermostat Dehumidifier Based on Air Enthalpy Contrast Method of Wind Tunnel

In order to guide the application of thermostat dehumidifier products, a performance test device based on air enthalpy contrast method of wind tunnel was designed, the hardware technical requirement and software function are introduced. Byte sting the KFRS-20ZM/AS dehumidifier, the relationship between the amount of desiccant and heat transfer, the amount of unit power and the input power are analyzed, finally the reliability of the test device is verified from the performance test results. INTRODUCTION With the development of science and technology, The requirements of the temperature and humidity on the working environment a variety of mechanical and electrical equipment are getting higher and higher , So the thermostat dehumidifier is widely used. Especially for underground works, the performance of the thermostat dehumidifier directly affect the safe operation of the equipment, the time of material storage and the living conditions of the operators. In actual use, Performance degradation is due to the dehumidifier is running in non-standard conditions, and does not meeting the factory design in most cases, Therefore, the dehumidifier product performance testing and research work under different conditions of work performance is particularly important. At present, the dehumidifier performance test device research has been a great degree of development, many well-known manufacturers and research departments have established a related experimental platform, Such as the traditional weighing method experimental system, unit air conditioner performance laboratory, Guangzhou Chun lan company established a small air conditioner Enthalpy Contrast laboratory. [2][3] However, there are still two problems: 1) Most of the departments to establish the laboratory are for air conditioning products, the dehumidifier performance parameters of the measurement accuracy is not high, such as the measurement of air flow with a simple air flow meter (pitot tube, balloon anemometer, wind speed sensor ) Or the nozzle standard used is not sufficient; (2) The amount of desiccant dehumidifier measurement using weighing method, time-consuming, can not be dynamic monitoring . According to the existing national standard GB/T19411-2003 "dehumidifier"and GB/T17758-2010 "unit type air conditioner" , based on the traditional weighing method dehumidifier performance testing system, The dehumidifier performance test device of Air Enthalpy Contrast method is used to test the performance parameters of the amount of desiccant and heat transfer, the amount of unit power and the input power 1 TEST PRINCIPLE AND TECHNICAL REQUIREMENTS