WO2018040304A1

WO2018040304A1 - Bottom-arranged power integrated system for high-speed internal combustion motor train unit

Info

Publication number: WO2018040304A1
Application number: PCT/CN2016/106569
Authority: WO
Inventors: 李文勇; 曹晓龙; 周美旺; 刘盛强; 王博
Original assignee: 中车大连机车研究所有限公司
Priority date: 2016-08-31
Filing date: 2016-11-21
Publication date: 2018-03-08
Also published as: CN106347378A; CN106347378B

Abstract

A bottom-arranged power integrated system for a high-speed internal combustion motor train unit, comprising a diesel generator set (1), a diesel engine auxiliary system (2), a cooling system (3), an electronic control system (4), and a mounting frame (6). The diesel generator set (1) comprises a diesel engine (11) and a generator (12). The generator (12) and the diesel (11) are fixed by means of a connecting flange. The diesel engine auxiliary system (2) comprises an inlet air filter (21), an exhaust SCR postprocessing system (22), a fuel system (23), and an engine oil system (24) which are provided on two sides of the diesel generator set (1). The cooling system (3) comprises a hydrostatic pump (31), a cooling device (34), an expansion water tank (36), and a hydrostatic tank (37). The diesel generator set (1) and the cooling device (34) are fixed on the mounting frame (6) by means of elastic rubber dampers. The mounting frame (6) is suspended below the floor of a vehicle by means of elastic rubber dampers. While the axle weight of the bottom-arranged power integrated system for a high-speed internal combustion motor train unit is reduced, passenger carrying space on the vehicle can be utilized to a maximum extent, and therefore, requirements of high speed passenger transportation are met.

Description

Power integrated system for high-speed internal combustion engine train

Technical field

The invention relates to a power integration system for a high-speed internal combustion motor train.

Background technique

With the rapid development of high-speed railways, power-distributed electric MUs have been widely used, and their high power and light axle weight make high-speed rail transportation possible. Although the electrification rate of railway trunk lines is relatively high, the feeder railways are still dominated by internal combustion traction. In order to improve the speed of internal combustion traction, the application of power-distributed high-speed internal combustion and hybrid electric trains is imperative. The existing internal combustion power transmission system has low integration degree and large occupied space, which is not conducive to reducing the axle load and effectively utilizing the passenger space of the vehicle.

Summary of the invention

The present invention is directed to the above problems, and studies and designs a power integration system for a high-speed internal combustion motor train. The technical means adopted by the present invention are as follows:

A power integrated system for a high-speed internal combustion engine train, comprising a diesel generator set, a diesel engine auxiliary system, a cooling system, an electric control system and an installation frame;

The diesel generator set includes a diesel engine and a generator fixed to the diesel engine through a connecting flange;

The diesel engine auxiliary system includes an intake air filter, an exhaust SCR aftertreatment system, a fuel system, and an oil system disposed on both sides of the diesel generator set, and the air cleaner is connected to an intake port of the diesel engine. The exhaust SCR aftertreatment system is connected to an air outlet of the diesel engine;

The cooling system includes a hydrostatic pump, a cooling device, an expansion water tank, and a hydrostatic oil tank, the cooling device including a cooling fan and a hydrostatic motor that drives a cooling fan, the hydrostatic pump passing through the flexible coupling and the free end of the diesel engine Connected to provide a power source for the cooling system, the cooling system being disposed at the tail end of the diesel generator set;

The diesel generator set and the cooling device are fixed to the mounting frame by an elastic rubber damper that is hung under the floor surface of the vehicle by an elastic rubber damper.

Further, the generator is a permanent magnet synchronous alternator, and the casing of the generator is made of an aluminum alloy.

Further, the exhaust SCR aftertreatment system includes a urea tank, a urea pump, a metering control unit, A mixer and a catalytic reaction processor mounted on the mounting frame by elastic rubber dampers.

Further, the mounting frame comprises three beams, two longitudinal beams perpendicular to the beam and two side beams respectively located on both sides of the longitudinal beam, and the diesel generator set is fixed at the edge by an elastic rubber shock absorber. On the beam and the two longitudinal beams, the cooling device is fixed on the beam away from the side of the diesel generator set and the middle beam by elastic rubber shock absorbers, and the two catalytic reaction processors are respectively installed by elastic rubber shock absorbers. On both side beams, the other components are mounted directly rigidly on the mounting frame.

Further, the diesel engine auxiliary system includes two intake air filters, two exhaust SCR aftertreatment systems, a fuel system and a set of oil system, and two intake air filters are respectively arranged on the diesel power generation system. On both sides of the unit, two sets of exhaust SCR after-treatment systems are respectively arranged on both sides of the diesel generator set, and a fuel system and a set of oil system are respectively arranged on both sides of the diesel generator set.

Further, the electronic control system includes an electrical control box and a super capacitor box, and the diesel engine is started by a super capacitor in the super capacitor box.

Further, the cooling system further includes a temperature control regulating valve for controlling the speed of the cooling fan, and the temperature control regulating valve is connected to the electronic control system.

Compared with the prior art, the power integrated system for the high-speed internal combustion motor train of the present invention integrates the internal combustion power transmission system with high degree, and is dispersedly suspended under the vehicle floor to maximize the use of the vehicle while reducing the axle weight. The passenger space on the ground meets the needs of high-speed passenger transportation.

DRAWINGS

1 is a schematic structural view of an embodiment of the present invention.

detailed description

As shown in FIG. 1 , a power integrated system for a high-speed internal combustion motor train, comprising a diesel generator set 1, a diesel auxiliary system 2, a cooling system 3, an electric control system 4, and a mounting frame 6; the diesel generator set 1 The diesel engine 11 and the generator 12 fixed to the diesel engine 11 through the connecting flange are connected together by the first elastic coupling 14 between the diesel flywheel and the generator shaft. The diesel engine 11 of the present embodiment has a rated power of 588-735 kW. To ensure that the EMU operates at a high speed of 160-200km/h, adopts a 12-cylinder V-shaped 90° angle arrangement type to minimize the height and meet the requirements for the under-floor layout of the vehicle; the diesel engine auxiliary system 2 includes the diesel power generation system. An intake air cleaner 21, an exhaust SCR aftertreatment system 22, a fuel system 23, and an oil system 24 on both sides of the unit 1, the air cleaner 21 being connected to an intake port of the diesel engine 11, the exhaust SCR The aftertreatment system 22 is connected to the air outlet of the diesel engine 11; the cooling system 3 is air cooled, including a hydrostatic pump 31, a cooling device 34, and an expansion water tank 36. And a hydrostatic tank 37, the cooling device 34 includes a cooling fan 33 and a hydrostatic motor 32 that drives the cooling fan 33, and the hydrostatic pump 31 is connected to the free end of the diesel engine 11 through the second elastic coupling 15, for cooling The system 3 provides a power source, the cooling system 3 is disposed at the tail end of the diesel generator set 1; the diesel generator set 1 and the cooling device 34 are fixed on the mounting frame 6 by elastic rubber dampers to form a system integration, The mounting frame 6 is suspended under the floor surface of the vehicle by an elastic rubber shock absorber, and the fuel line, the generator cable, and the control circuit are connected, and the system can operate normally.

The generator 12 is a permanent magnet synchronous alternator, and the casing of the generator 12 is made of aluminum alloy, water-cooled, aluminum alloy casing, small in size, light in weight and high in efficiency.

The exhaust SCR aftertreatment system 22 includes a urea tank 221, a urea pump 222, a metering control unit 223, a mixer 224, and a catalytic reaction processor 225 that is mounted to the mounting frame by an elastic rubber shock absorber. 6 on.

The mounting frame 6 includes three beams 61, two longitudinal beams 62 perpendicular to the beam 61, and two side beams 63 respectively located on both sides of the longitudinal beam 62. The diesel generator set 1 is fixed to the edge by an elastic rubber shock absorber. On one of the beams 61 and the two longitudinal beams 62, the cooling device 34 is fixed on the beam 61 on the side away from the diesel generator set 1 and the beam 61 in the middle by an elastic rubber damper, two catalytic reactions The processor 225 is mounted on the two side rails 63 by elastic rubber dampers, respectively, and the other components are directly rigidly mounted on the mounting frame 6. The elastic rubber damper between the diesel generator set 1, the cooling device 34 and the catalytic reaction processor 225 and the mounting frame 6 is a first-stage elastic rubber damper 51, and the elastic rubber damper between the mounting frame 6 and the vehicle is The second-stage elastic rubber shock absorber 52 maximizes vibration and noise reduction. The two-stage suspension damper parameters are determined through the dynamic calculation of the entire powertrain system, and the excitation source is a diesel engine.

The diesel engine auxiliary system 2 includes two intake air filters 21, two sets of exhaust SCR aftertreatment systems 22, a set of fuel system 23 and a set of oil system 24, and two intake air filters 21 are respectively arranged On both sides of the diesel generator set 1, two sets of exhaust SCR aftertreatment systems 22 are respectively arranged on both sides of the diesel generator set 1, and a set of fuel system 23 and a set of oil system 24 are respectively arranged on both sides of the diesel generator set 1. .

The electronic control system 4 includes an electric control box 41 and a super capacitor box 42 respectively disposed at the end of the fuel system 23 side, and its functions include diesel engine speed regulation and cooling system fan speed control, diesel engine oil, water, and gas temperature. And pressure monitoring, current and voltage monitoring of the generator, and communication between the powertrain and the vehicle, the diesel engine 11 being activated by a super capacitor within the super capacitor box 42.

The cooling system 3 further includes a temperature control regulating valve 35 for controlling the rotational speed of the cooling fan 33, the temperature The control valve 35 is connected to the electronic control system 4, which includes two sets of cooling devices 34, the expansion water tank 36 and the hydrostatic oil tank 37 are disposed in the middle, and the two sets of cooling devices 34 are disposed on both sides.

The embodiments described above are only intended to describe the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Variations and modifications are intended to fall within the scope of the invention as defined by the appended claims.

Claims

The utility model relates to a power integration system for a high-speed internal combustion motor train, which comprises: a diesel generator set, a diesel engine auxiliary system, a cooling system, an electric control system and a mounting frame;

The diesel generator set includes a diesel engine and a generator fixed to the diesel engine through a connecting flange;

The diesel engine auxiliary system includes an intake air filter, an exhaust SCR aftertreatment system, a fuel system, and an oil system disposed on both sides of the diesel generator set, and the air cleaner is connected to an intake port of the diesel engine. The exhaust SCR aftertreatment system is connected to an air outlet of the diesel engine;

The cooling system includes a hydrostatic pump, a cooling device, an expansion water tank, and a hydrostatic oil tank, the cooling device including a cooling fan and a hydrostatic motor that drives a cooling fan, the hydrostatic pump passing through the flexible coupling and the free end of the diesel engine Connected to provide a power source for the cooling system, the cooling system being disposed at the tail end of the diesel generator set;

The diesel generator set and the cooling device are fixed to the mounting frame by an elastic rubber damper that is hung under the floor surface of the vehicle by an elastic rubber damper.
The under-vehicle power integration system for a high-speed internal combustion motor train according to claim 1, wherein the generator is a permanent magnet synchronous alternator, and a casing of the generator is made of an aluminum alloy.
The under-vehicle power integration system for a high-speed internal combustion motor train according to claim 1, wherein the exhaust SCR aftertreatment system comprises a urea tank, a urea pump, a metering control unit, a mixer, and a catalytic reaction processor. The catalytic reaction processor is mounted on the mounting frame by an elastic rubber damper.
The undercarriage power integration system for a high-speed internal combustion motor train according to claim 3, wherein the mounting frame comprises three beams, two longitudinal beams perpendicular to the beam, and two sides respectively located on both sides of the longitudinal beam. a beam, the diesel generator set is fixed on a beam and two longitudinal beams at the edge by an elastic rubber damper, and the cooling device is fixed on a beam away from the side of the diesel generator set by an elastic rubber damper On the middle beam, two catalytic reaction processors are mounted on the two side beams by elastic rubber shock absorbers, and the other components are directly rigidly mounted on the mounting frame.
The under-vehicle power integration system for a high-speed internal combustion motor train according to claim 1, wherein the diesel engine auxiliary system comprises two intake air filters, two sets of exhaust SCR aftertreatment systems, and a set of fuel. The system and a set of oil system, two intake air filters are respectively arranged on both sides of the diesel generator set, two sets of exhaust SCR aftertreatment systems are respectively arranged on both sides of the diesel generator set, a set of fuel system and a set The oil system is arranged on both sides of the diesel generator set.
The under-vehicle power integration system for a high-speed internal combustion motor train according to claim 1, wherein the electronic control system comprises an electric control box and a super capacitor box, and the diesel engine is started by a super capacitor in the super capacitor box.
The under-vehicle power integration system for a high-speed internal combustion motor train according to claim 1, wherein the cooling system further comprises a temperature control regulating valve for controlling the speed of the cooling fan, the temperature control regulating valve and the electronic control The system is connected.