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Title:
RAILWAY TRAIN AND UNITARY AIR-CONDITIONING UNIT THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/127206
Kind Code:
A1
Abstract:
Provided are a railway train and a unitary air-conditioning unit thereof. The unitary air-conditioning unit comprises a fixed frame (1), and a compressor (2), an evaporator (3-1), a heater (9) and a condenser (3-2) mounted in the fixed frame (1) and in communication by means of refrigerant pipelines, wherein a cover plate (4) is mounted above the fixed frame (1), the cover plate (4) is provided with an air vent B (5-2), and a high-pressure fan (6-1), an evaporator fan (6-2) and a condenser fan (6-3) are also provided in the fixed frame (1). The components are integrally mounted instead of being separately mounted, thereby saving the process operation time and improving the work efficiency thereof. Furthermore, the process of mounting the refrigerant pipelines outside the air-conditioning unit is omitted, thereby shortening the overall assembly cycle and also reducing the points where leakages can easily occur so as to ensure the reliability of the system. In addition, air vents (5-1, 5-2) are provided to save the space required for an air duct in a passenger compartment, and when there is a large fluctuation in the ambient pressure, the high-pressure fan (6-1) is started to offset the large pressure change outside the train body, thereby realizing active pressure protection.

Inventors:
CAO, Yanhua (No 2001, ChangKe RoadChangchun, Jilin 0, 130000, CN)
ZHAO, Jinlong (No 2001, ChangKe RoadChangchun, Jilin 0, 130000, CN)
CAO, Xianwei (No 2001, ChangKe RoadChangchun, Jilin 0, 130000, CN)
LI, Changsheng (No 2001, ChangKe RoadChangchun, Jilin 0, 130000, CN)
Application Number:
CN2017/119338
Publication Date:
July 04, 2019
Filing Date:
December 28, 2017
Export Citation:
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Assignee:
CRRC CHANGCHUN RAILWAY VEHICLES CO., LTD. (No 2001, ChangKe RoadChangchun, Jilin 0, 130000, CN)
International Classes:
B61D27/00
Attorney, Agent or Firm:
UNITALEN ATTORNEYS AT LAW (7th Floor, Scitech PlaceNo.22, Jian Guo Men Wai Ave., Chao Yang District, Beijing 4, 100004, CN)
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