Vehicle power unit
A technology for power units and vehicles, which is applied in the field of rail vehicle power, can solve the problems of increasing the workload of roof assembly and occupying roof space, and achieve the effects of reducing roof assembly work, improving compactness, and compact structure layout
Active Publication Date: 2017-01-11
CRRC DALIAN R & D CO LTD
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Problems solved by technology
[0004] However, the above-mentioned technical solution mainly has the following disadvantages: 1) The DC-DC module is separately arranged on the roof of the vehicle, which increases the workload of roof assembly and takes up more space on the roof; 2) As far as the applicant knows, there is no light rail in China The scheme of integrated modular setting of traction converter, auxiliary converter, charging component, DC-DC module, braking resistor and battery of the vehicle
Method used
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Embodiment Construction
[0067] figure 1 It is a schematic diagram of the external wiring installation board side structure outside the unit cabinet of the vehicle power unit provided by the embodiment of the present invention, figure 2 It is a schematic diagram of the structure of the auxiliary UMT output interface side outside the unit cabinet of the vehicle power unit provided by the embodiment of the present invention, image 3 It is a schematic diagram of the bottom structure of the unit cabinet of the vehicle power unit provided by the embodiment of the present invention, Figure 4 It is a schematic diagram of the internal structure of the cabinet of the vehicle power unit provided by the embodiment of the present invention, Figure 5 It is a schematic diagram of the internal structure of the first independent cabin of the vehicle power unit provided by the embodiment of the present invention, Figure 6 It is a schematic diagram of the internal structure of the second independent cabin of the...
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The invention provides a vehicle power unit. The vehicle power unit is arranged on the top of a vehicle body and comprises a traction convertor assembly, an auxiliary convertor assembly, a charging assembly, a braking resistance unit, a unit cabinet and two sets of cooling air ducts, wherein draught fans are arranged in the cooling air ducts; the tops of the unit cabinet and the vehicle body are integrated, the unit cabinet comprises a cabinet body and a cover plate, the cabinet is internally divided into multiple independent bins, and the traction convertor assembly, the auxiliary convertor assembly, the charging assembly and the braking resistance unit are arranged in the independent bins; first cooling air flues are arranged in the bin internally provided with the traction convertor assembly, second cooling air flues are arranged in the bins internally provided with the auxiliary convertor assembly and the charging assembly, and the orientations of the first cooling air flues and the second cooling air flues are different. According to the vehicle power unit, the electromagnetic compatibility can be optimized; wiring interfaces are arranged in the vehicle power unit, so that the influence of an external environment is avoided; and by virtue of a modularized integrated configuration manner, the structural layout is compact, the vehicle top assembly work is alleviated, and the traction efficiency of the vehicle power unit is improved.
Description
technical field [0001] The embodiment of the present invention relates to rail vehicle power technology, in particular to a vehicle power unit. Background technique [0002] With the development of the economy, various electronic converters play an increasingly important role in industry, agriculture, military and transportation industries. Especially in the field of rail vehicles, rail vehicles have gradually developed in the direction of high speed, high power and high reliability in recent years. The power unit is an indispensable part of the light rail vehicle. According to the requirements of the traction power of the whole vehicle and the train marshalling, the power unit is installed on the roof of the head car. The functions of the power unit integrate the original traction converter, auxiliary converter, charging The electrical functions of the motor and the DC-DC conversion module, and includes the braking resistor and the battery. It provides variable frequency ...
Claims
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Login to View More IPC IPC(8): B61C3/00B61C3/02B61C17/04
CPCB61C3/00B61C3/02B61C17/04Y02T30/00
Inventor 孟昭明李岩孙佳伟姜涛
Owner CRRC DALIAN R & D CO LTD