Air conditioning unit of track vehicle mounted under vehicle

Abstract

An underfloor air conditioning unit of a track vehicle is a unitary air conditioning unit and includes a housing, an inside of the housing being divided into an indoor side and an outdoor side, and a condenser, a condenser fan, and a compressor are mounted in the outdoor side, wherein two side walls, corresponding to air intakes of skirt plates at two sides of an equipment compartment, of the housing are each provided with a condensing air inlet, and a bottom wall of the housing is provided with a condensing air outlet, the condenser fan is arranged close to a position of the condensing air outlet of the bottom wall, the number of the condenser is two, and the two condensers are arranged respectively close to the condensing air inlets at the two sides.

What is claimed is: 
     
         1 . An underfloor air conditioning unit for a railway vehicle, being a unitary air conditioning unit and comprising a housing, an inside of the housing being divided into an indoor side and an outdoor side, and a condenser, a condenser fan, and a compressor being mounted in the outdoor side, wherein two side walls, corresponding to air intakes of skirt plates at two sides of an equipment compartment, of the housing are each provided with a condensing air inlet, and a bottom wall of the housing is provided with a condensing air outlet, the condenser fan is arranged close to a position of the condensing air outlet of the bottom wall, the number of the condenser is two, and the two condensers are arranged respectively close to the condensing air inlets at the two sides. 
     
     
         2 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein the housing is extended in a width direction of a vehicle body, and the side walls of two sides of the housing are arranged respectively closely adjacent to the air intakes of the skirt plates at the two sides. 
     
     
         3 . The underfloor air conditioning unit for the railway vehicle according to  claim 2 , wherein the number of the compressor is two, and the two compressors are mounted respectively in spaces between the condensers at two sides and respective side walls of the housing. 
     
     
         4 . The underfloor air conditioning unit for the railway vehicle according to  claim 2 , wherein the number of the condenser fan is two, and the two condenser fans are arranged side by side between the two condensers along the width direction of the vehicle body. 
     
     
         5 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein an air passage enclosed by a connecting plate is arranged between the side wall at each of two sides of the housing and the air intake of the respective skirt plate, and the air intake of the respective skirt plate is in communication with the respective condensing air inlet via the air passage. 
     
     
         6 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein a first filtering device is provided at each of the air intakes of the skirt plates. 
     
     
         7 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein a second filtering device is provided at each of the condensing air inlets. 
     
     
         8 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein the bottom wall of the housing of the air conditioning unit functions as a base plate of the equipment compartment, and the bottom wall of the housing is fixedly connected to a surrounding base plate of the equipment compartment. 
     
     
         9 . The underfloor air conditioning unit for the railway vehicle according to  claim 1 , wherein the condensers are placed perpendicular to the bottom wall of the housing, or are placed to be inclined towards a center line of a vehicle body.