Detection device applied to drum-type battery heat insulation sleeve

The utility model discloses a detection device applied to a drum-type battery heat insulation sleeve, which comprises a cabinet body, and a detection cavity used for installing a heating device and a temperature measuring device is arranged in the cabinet body. The heating device comprises a cylindrical heating body matched with an inner hole of the heat insulation sleeve. The temperature measuring device comprises a temperature measuring element for contacting the outer surface of the heat insulation sleeve to detect the surface temperature of the heat insulation sleeve and an adjusting device for adjusting the temperature measuring element to be close to or away from the heat insulation sleeve; a mounting cavity for mounting a temperature recording device and a heating control device is also arranged, and a heat insulation plate is arranged between the mounting cavity and the detection cavity; through the independent and closed detection cavity and the arrangement of the cylindrical heating body, the heat i