| abstract |
A kind of air themperature chamber, which is characterized in that including：Control system,Babinet and the heater in cabinets cavity is set,Refrigerating plant,Media recycler and air circulation device,The media recycler is connected with the heater and refrigerating plant respectively,The media recycler includes the sealing and circulating tank for being sequentially connected and being formed closed circuit,Circulating pump,And heat exchanger,The sealing and circulating tank is connected with the refrigerating plant,The heater is set in sealing and circulating tank,For directly heating medium,The air circulation device includes frequency conversion fan and air duct board,The babinet is equipped with workspace,Workspace door,Battery limits and battery limits door,The heat exchanger,Frequency conversion fan and air duct board are set in the workspace,The temperature index higher of air themperature chamber provided by the invention,Warming and cooling rate is fast,Work efficiency is high,The calibration needs of all kinds of high-precision environment temperature monitoring instruments can be met. |