The invention discloses a negative pressure adjusting type multifunctional
refrigerator car, and particularly relates to the technical field of refrigerated transport tools, the negative pressure adjusting type multifunctional
refrigerator car comprises a car body, a compartment is mounted on the car body, a compressor is mounted on the front side of the exterior of the compartment, a
nitrogen supply mechanism connected with the compartment is arranged on one side of the compressor, and an exhaust mechanism connected with the compartment is arranged on one side of the
nitrogen supply mechanism; the top of the front end of the compartment is provided with a condenser connected with the compressor, the condenser is connected with an
evaporator, the middle of the interior of the compartment is provided with a third partition plate, the two sides of the third partition plate are provided with first partition plates, each first partition plate is provided with a fan, one side of each first partition plate is provided with a second partition plate, and the top end of each second partition plate is connected with a
nitrogen conveying
assembly. The bottom end of each nitrogen conveying
assembly is provided with an emptying
assembly, and the bottom end of each emptying assembly is provided with a plurality of
infrared sensors. The fresh-keeping effect of fresh agricultural products is effectively improved, efficient utilization and circulation of nitrogen are achieved, the sealing performance of the compartment is guaranteed, and the advantages of flexible unloading operation and energy saving are achieved.