WO2022183791A1

WO2022183791A1 - Multiple unit train

Info

Publication number: WO2022183791A1
Application number: PCT/CN2021/133415
Authority: WO
Inventors: 田庆涛; 李海游; 田占伟; 苑丰彪; 杨志月; 司志强; 冯宝祥; 夏冰; 王新; 吴宏斌; 尚国权; 石华
Original assignee: 中车唐山机车车辆有限公司
Priority date: 2021-03-03
Filing date: 2021-11-26
Publication date: 2022-09-09
Also published as: CN112849162A; CN112849162B

Abstract

A multiple unit train (2), comprising a first carriage (21), an eighth carriage (28), and a plurality of middle carriages located between the first carriage (21) and the eighth carriage (28). A first-position end of the first carriage (21) is located at a first end of the multiple unit train (2), a business-class passenger compartment is provided in the first carriage (21), and a non-powered bogie (214) is provided below the first carriage (21). One end of the eighth carriage (28) is located at a second end of the multiple unit train (2), a business-class passenger compartment is provided in the eighth carriage (28), and a non-powered bogie (214) is provided below the eighth carriage (28). The plurality of middle carriages are sequentially connected between a second-position end of the first carriage (21) and a second-position end of the eighth carriage (28), and powered bogies are provided below some of the middle carriages.

Description

EMU train

technical field

The present application relates to rail vehicle manufacturing technology, in particular to an EMU train.

Background technique

With the development of high-speed railways in China, rail vehicles (especially fast EMU trains) have gradually become the preferred means of transportation for people to travel between cities.

In the solution of the related art, the EMU train usually adopts the mode of eight-car formation, that is, one EMU train contains eight carriages; for the convenience of description, the eight carriages of the EMU train are called from one side to the other side respectively. For one car to eight cars. Among them, the first car and the eighth car at both ends have the same structure, and they are all powered cars (power equipment such as power bogies and traction motors are installed under the car). The structure of the seven-car next to the eight-car has the same structure, and they are all trailers (with a non-power bogie under the car); the three-car next to the two-car and the six-car next to the seven-car have the same structure, and they are all powered cars (with power under the car). Bogie and traction motor and other power equipment); the four and five cars in the middle have the same structure and are trailers (with non-power bogies under the car). When the trains are marshalled, one to four trains are grouped according to the way that the first end is connected to the second end of the adjacent car, and the five to eight cars are also grouped according to the way that the first end is connected to the second end of the adjacent car. , the two-position end of the four-car is grouped with the two-position end of the five-car.

However, with the solution in the related art, since the first and eighth cars in the EMU train are powered cars, and the first and eighth cars are both equipped with business passenger compartments, the power cars will generate large vibrations when the train is running. Noise, which makes the passenger's ride comfort in the business seat less comfortable.

SUMMARY OF THE INVENTION

The embodiment of the present application provides an EMU train, which is mainly used to solve the problem of poor ride comfort for passengers in a business seat in the related art.

The embodiment of the present application provides an EMU train, which is characterized in that it includes: one car, eight cars and a plurality of intermediate cars located between the one car and the eight cars;

The first end of the one car is located at the first end of the EMU train, the one car is provided with a business passenger room, and the bottom of the one car is provided with a non-power bogie;

One end of the eight-car is located at the second end of the EMU train, the eight-car is provided with a business passenger room, and the non-power bogie is arranged below the eight-car;

A plurality of the intermediate cars are sequentially connected between the second end of the first car and the second end of the eight cars, and a power bogie is arranged under some of the intermediate cars.

In the above-mentioned EMU train, in some optional implementation manners, the structures of the one-car and eight-car are the same, and two non-power bogies are arranged under the one car, and two non-power bogies are provided under the one car. The power bogies are respectively arranged near the first-position end and the second-position end of the one-car.

In the above-mentioned EMU train, in some optional implementation manners, two transponder antennas are further provided below the one car, and the two transponder antennas are directly connected to the underframe of the carriage, and one of the transponder antennas is directly connected to the chassis. The transponder antenna is located between the two non-powered bogies, and the other transponder antenna is located on the side of the non-powered bogie that is close to the one-digit end of the one vehicle toward the one-digit end of the one-car .

The above-mentioned EMU train, in some optional implementation manners, further includes a first Doppler radar, and the transponder antenna located between the two non-power bogies is integrated in the first multi-station. On the Doppler radar; a dirt box is also arranged under the one vehicle, and the dirt box is arranged at intervals from the first Doppler radar.

In the above-mentioned EMU train, in some optional implementation manners, a second Doppler radar, sandbox, charger, electronic label, main air compressor, air cylinder, A brake control unit and a battery, the second Doppler radar and the sandbox are located on the side of the non-power bogie that is close to the one end of the one car toward the one end of the one car, the charger, The electronic label, the main air compressor, the air cylinder, the brake control unit and the battery are sequentially arranged between the two non-power bogies from the first end of the one car to the second end of the one car, wherein , the first Doppler radar is located between the electronic label and the main air compressor, and the dirt box is located between the main air compressor and the air cylinder.

In the above-mentioned EMU train, in some optional implementation manners, the plurality of intermediate cars include:

Two cars, one end of the second car is connected to the second end of the first car, and the power bogie is arranged below the second car;

Three cars, one end of the third car is connected to the second end of the second car, and the non-power bogie is arranged below the third car;

Four cars, one end of the four cars is connected to the second end of the three cars, and the power bogie is arranged under the four cars;

Five-car, the two-position end of the five-car is connected to the two-position end of the four-car, and the power bogie is arranged below the five-car;

Six cars, the second end of the sixth car is connected to the first end of the fifth car, and the non-power bogie is arranged below the sixth car;

Seven cars, the second end of the seventh car is connected to the first end of the six cars, and the power bogie is arranged below the seventh car

In the above-mentioned EMU train, in some optional implementation manners, the structures of the second car and the seventh car are the same, and there are two power bogies below the second car, and two power steering The racks are respectively arranged close to the first and second ends of the two trucks; a traction device is also arranged between the two power bogies, and a traction converter and an auxiliary converter are integrated in the traction device.

In the above-mentioned EMU train, in some optional implementation manners, two motor cooling units, a dirt box, an air cylinder and a brake control unit are further provided between the two power bogies. The motor cooling units are respectively arranged close to the two power bogies, and the dirt box, the air cylinder and the brake control unit are arranged in sequence from the first end of the second car to the second end of the second car, so The traction device is arranged between the brake control unit and the motor cooling unit; wherein the motor cooling unit is a water cooling unit.

In the above-mentioned EMU train, in some optional implementation manners, the three-car and six-car structures are the same, and two non-power bogies are provided below the three-car, and two non-power bogies are provided below the three cars. The power bogies are respectively arranged close to the one-position end and the second-position end of the three vehicles; a traction transformer is also arranged between the two non-power bogies.

In the above-mentioned EMU train, in some optional implementation manners, a dirt box, an auxiliary air compressor, an external power supply box, a DC high voltage box, an air cylinder and The brake control unit, the dirt box, the auxiliary air compressor, the external power supply box, the DC high voltage box, the air cylinder and the brake control unit are in sequence from the first end of the three cars to the second end of the three cars The auxiliary air compressor and the external power supply box are arranged opposite to each other and are respectively located on both sides of the three-vehicle width direction, and the traction transformer is arranged between the DC high-voltage box and the air cylinder.

In the above-mentioned EMU train, in some optional implementation manners, two power bogies are provided below the four cars, and the two power bogies are respectively close to one end of the four cars. and binary settings;

There are also two motor cooling units, a traction device, a brake control unit, an air cylinder and a dirt box between the two power bogies, and the two motor cooling units are respectively arranged close to the two power bogies. , the traction device, the brake control unit, the air cylinder and the dirt box are sequentially arranged from the first end of the four cars to the second end of the four cars, and the traction device is integrated with a traction converter and The auxiliary converter, the motor cooling unit is a water cooling unit.

In the above-mentioned EMU train, in some optional implementation manners, two power bogies are provided below the five cars, and the two power bogies are respectively close to one end of the five cars. and binary settings;

There are also two motor cooling units, a dirt box, an air cylinder, a brake control unit, a rescue coupler and a traction device between the two power bogies, and the two motor cooling units are respectively close to the two power trucks. Bogie setup, the dirt box, air cylinder, brake control unit, rescue coupler and traction device are sequentially arranged from the first end of the five-car to the second end of the five-car, and the traction device is integrated in the There are traction converters and auxiliary converters, and the motor cooling unit is a water cooling unit.

The embodiment of the present application provides an EMU train, which includes one car, eight cars, and a plurality of intermediate cars located between the first car and the eighth car; There is a business passenger room, and a non-power bogie is installed under the first car; the first end of the eight-car is located at the second end of the EMU train. A plurality of intermediate cars are sequentially connected between the second end of the first car and the second end of the eight cars, and a power bogie is arranged under some of the middle cars. In the embodiment of the present application, the first car and the eighth car are set as non-power cars, thereby removing the corresponding power equipment, reducing the noise in the one car and the eighth car when the train is running, and improving the ride comfort of passengers in the business seat passenger compartment. .

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

Shown in Fig. 1 is the structural diagram of the EMU train in the related art;

Figure 2 shows a schematic diagram of the arrangement structure of the off-vehicle equipment of one car and eight cars in the related art;

Figure 3 shows a schematic diagram of the arrangement structure of the off-vehicle equipment of the second car and the seventh car in the related art;

4 is a schematic diagram of the arrangement structure of the off-vehicle equipment of the three-car and six-car in the related art;

Figure 5 shows a schematic diagram of the arrangement structure of the under-vehicle equipment of four vehicles in the related art;

6 is a schematic diagram of the arrangement structure of the off-vehicle equipment of five vehicles in the related art;

Figure 7 shows a schematic structural diagram of an EMU train provided by an embodiment of the present application;

8 is a schematic diagram of the arrangement structure of the off-vehicle equipment of one car and eight cars provided by an embodiment of the present application;

9 is a schematic diagram of the arrangement structure of the off-vehicle equipment of two cars and seven cars provided by an embodiment of the present application;

Figure 10 shows a schematic diagram of the arrangement structure of the three-car and six-car under-vehicle equipment provided by an embodiment of the present application;

Figure 11 shows a schematic diagram of the arrangement structure of the four-vehicle under-vehicle equipment provided by an embodiment of the present application;

FIG. 12 shows a schematic diagram of the arrangement structure of the five-vehicle under-vehicle equipment provided by an embodiment of the present application.

Reference number:

1- EMU train;

11-One vehicle; 111-Second Doppler radar; 112-Sandbox; 113-Power bogie; 1131-Transponder antenna; 114-Motor cooling unit; 115-Dirt tank; 1151-First Doppler Radar; 116-brake valve plate; 117-traction converter; 118-traction converter cooling unit; 119-brake control unit; 1110-electronic label;

12- Second car; 121- Non-power bogie; 122- Dirt tank; 123- Traction transformer; 124- Battery; 125- Auxiliary air compressor; 126- Air cylinder; 127- Brake control unit;

13-three cars; 131-power bogie; 132-motor cooling unit; 133-traction converter; 134-traction converter cooling unit; 135-air cylinder; 136-brake control unit; 137-main air pressure machine; 138-dirt box;

14-four cars; 141-non-power bogie; 142-air cylinder; 143-auxiliary converter; 144-brake control unit; 145-charger; 146-battery; 147-rescue coupler; 148-dirt box ;

15-five cars; 151-non-power bogie; 152-dirt box; 153-battery; 154-charger; 155-brake control unit; 156-auxiliary converter; 157-air cylinder;

16-six cars;

17 - seven cars;

18 - eight cars;

2- EMU trains;

21-One vehicle; 211-Second Doppler radar; 212-Sandbox; 213-Transponder antenna; 214-Non-powered bogie; 215-Charger; 216-Electronic tag; ;218-main air compressor;219-dirt tank;2110-air cylinder;2111-brake control unit;2112-battery;

22- Second car; 221- Power bogie; 222- Motor cooling unit; 223- Dirt box; 224- Air cylinder; 225- Brake control unit; 226- Traction device;

23-three cars; 231-non-power bogie; 232-dirt box; 233-auxiliary air compressor; 234-external power supply box; 235-DC high voltage box; 236-traction transformer; 237-air cylinder; 238-system mobile control unit;

24-four cars; 241-power bogie; 242-motor cooling unit; 243-traction unit; 244-brake control unit; 245-air cylinder; 246-dirt box;

25-five cars; 251-power bogie; 252-motor cooling unit; 253-dirt box; 254-air cylinder; 255-brake control unit; 256-rescue coupler; 257-traction device;

26-six cars;

27 - seven cars;

28 - Eight cars.

Detailed ways

FIG. 1 shows a schematic structural diagram of an EMU train in the related art; please refer to FIG. 1 . In the related art, the EMU train 1 includes one car 11 , two cars 12 , three cars 13 , four cars 14 , five cars 15 , six cars 16 , seven cars 17 and eight cars 18 , which are connected end-to-end. Among them, one car 11 The four-car 14 is grouped and connected in a way that the one-position end is connected with the two-position end of the adjacent car, and the five-car 15 to the eight-car 18 are also grouped and connected in a way that the one-position end is connected with the two-position end of the adjacent car. The two-position end of the four-car 14 is grouped and connected with the two-position end of the five-car 15 .

Each train includes a passenger seating area located above the chassis and an equipment hoisting area located below the chassis; among them, one car 11 and eight cars 18 have the same structure (this embodiment takes one car 11 as an example for description) The structures of the second car 12 and the seventh car 17 are the same (this embodiment takes the second car 12 as an example for description), and the third car 13 and the sixth car 16 have the same structure (this embodiment takes the third car 13 as an example for description). What is shown in Fig. 2 is a schematic diagram of the arrangement structure of the off-vehicle equipment of one car and eight cars in the related art; Fig. 3 shows a schematic diagram of the arrangement structure of the off-vehicle equipment of two cars and seven cars in the related art; Fig. 4 Shown in the related art is a schematic diagram of the arrangement structure of the under-vehicle equipment of three cars and six cars in the related art; shown in FIG. 5 is a schematic diagram of the arrangement structure of the under-vehicle equipment of four cars in the related art; shown in FIG. 6 is A schematic diagram of the arrangement structure of the off-vehicle equipment of five vehicles in the related art; please refer to FIG. 2 to FIG. 6 .

In the related art, as shown in FIG. 2 , a second Doppler radar 111 , a sandbox 112 , a power bogie 113 , and a motor are sequentially arranged under the cars of one car 11 and eight cars 18 from the first end to the second end. Cooling unit 114, dirt tank 115, brake valve plate 116, traction converter 117, traction converter cooling unit 118, brake control unit 119, motor cooling unit 114, power bogie 113 and electronic label 1110; , two transponder antennas 1131 are integrated on the power bogie 113 near one end, and a first Doppler radar 1151 is integrated under the dirt box 115 .

As shown in FIG. 3 , a non-power bogie 121 , a dirt tank 122 , a traction transformer 123 , a battery 124 , and an auxiliary air compressor 125 are arranged under the cars of the second car 12 and the seventh car 17 in order from the first end to the second end. , air cylinder 126 , brake control unit 127 and non-power bogie 121 .

As shown in FIG. 4 , a power bogie 131 , a motor cooling unit 132 , a traction converter 133 , and a traction converter cooling unit 134 are arranged under the cars of the three-car 13 and the six-car 16 in order from the first end to the second end. , air cylinder 135 , brake control unit 136 , main air compressor 137 , dirt box 138 , motor cooling unit 132 and power bogie 131 .

As shown in FIG. 5 , a non-power bogie 141 , an air cylinder 142 , an auxiliary converter 143 , a brake control unit 144 , a charger 145 , and a battery are sequentially provided under the vehicle of the four cars 14 from the first end to the second end. 146 , rescue coupler 147 , dirt box 148 and non-power bogie 141 .

As shown in FIG. 6 , the undercarriage of the five cars 15 is sequentially provided with a non-powered bogie 151 , a dirt box 152 , a battery 153 , a charger 154 , a brake control unit 155 , and an auxiliary converter from the first end to the second end. 156, air cylinder 157 and non-power bogie 151.

However, the solutions adopting related technologies have at least the following problems:

The first car 11 and the eighth car 18 are both powered cars, and the first car 11 and the eighth car 18 are equipped with business passenger rooms. When the train is running, the traction equipment under the train will generate large vibration and noise, which will affect the reduction of passengers in the business passenger room. ride comfort.

The transponder antenna 1131 is integrated on the power bogie 113 below the first car 11 and the eighth car 18. The power bogie 113 vibrates greatly when the train is running, and long-term use will cause damage to the transponder antenna 1131.

Due to the lack of space under the one-car 11 and the eight-car 18, integrating the first Doppler radar 1151 under the dirt box 115 is dangerous and is not conducive to the installation and adjustment of the first Doppler radar 1151.

The traction converter, the traction converter cooling unit and the auxiliary converter are three independent devices, which occupy a large space under the vehicle and increase the amount of cables connecting the devices, resulting in poor economy.

The traction transformer 123 is arranged on the second vehicle 12 and the seventh vehicle 17, and is relatively close to the first vehicle 11 and the eighth vehicle 18, and the risk of damage to the traction transformer 123 is greater in the collision mode.

The motor cooling unit 114 adapted to the power bogie is an air cooling unit, and the cooling power and efficiency are insufficient.

It is not compatible with the demand of DC grid voltage power supply.

In order to solve at least one of the above problems, the present embodiment provides an EMU train to improve the above-mentioned shortcomings of the existing EMU train.

In order to make the technical solutions and advantages of the embodiments of the present application more clear, the exemplary embodiments of the present application will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, and Not all embodiments are exhaustive. It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

FIG. 7 shows a schematic structural diagram of an EMU train provided by an embodiment of the present application; please refer to FIG. 7 . This embodiment provides an EMU train 2, comprising a first car 21, a second car 22, a third car 23, a fourth car 24, a fifth car 25, a sixth car 26, a seventh car 27 and an eight car 28, which are connected end to end in sequence, wherein, The first car 21 to the fourth car 24 are grouped and connected according to the way that the first end is connected to the second end of the adjacent car, and the fifth car 25 to the eight car 28 are also connected according to the way that the first end is connected to the second end of the adjacent car. The marshalling connection, the two-position end of the four-car 24 and the two-position end of the five-car 25 are grouped and connected; the first-car 21 and the eight-car 28 are equipped with business passenger rooms, the one-car 21, the third-car 23, the six-car 26 and the eight-car 28. The lower part of the car 28 is provided with a non-power bogie; the lower part of the second car 22 , the fourth car 24 , the fifth car 25 and the seventh car 27 is provided with a power bogie.

In this embodiment, the first car 21 and the eighth car 28 are set as non-powered cars, so that the corresponding power equipment under the car is removed, the noise in the first car 21 and the eighth car 28 is reduced when the train is running, and the passenger in the business seat is improved. ride comfort.

Similar to the related art, each train in this embodiment includes a passenger seating area located above the chassis and an equipment hoisting area located below the chassis; wherein, the structures of one car 21 and eight cars 28 are the same (this The embodiment takes one car 21 as an example for description), the structure of the second car 22 and the seventh car 27 are the same (this embodiment takes the second car 22 as an example for description), the structure of the third car 23 and the sixth car 26 are the same (this embodiment Take the three-car 23 as an example to illustrate). Figure 8 shows a schematic diagram of the arrangement structure of the under-vehicle equipment of one car and eight cars provided by an embodiment of the present application; Figure 9 shows the under-vehicle devices of two cars and seven cars provided by an embodiment of the present application. Schematic diagram of equipment arrangement structure; Figure 10 shows a schematic diagram of the arrangement structure of off-vehicle equipment of three vehicles and six vehicles provided by an embodiment of the application; Figure 11 shows a four-vehicle equipment provided by an embodiment of the application Figure 12 shows a schematic diagram of the arrangement structure of off-vehicle equipment of five vehicles provided by an embodiment of the present application; please refer to Figures 8-12.

Specifically, as shown in FIG. 8 , in this embodiment, a second Doppler radar 211 , a sandbox 212 , and a transponder antenna 213 are sequentially arranged under the cars of the one-car 21 and the eight-car 28 from the first end to the second end. , non-power bogie 214, charger 215, electronic tag 216, first Doppler radar 217, main air compressor 218, dirt box 219, air cylinder 2110, brake control unit 2111, battery 2112 and non-power steering The frame 214; wherein, a transponder antenna is integrated on the first Doppler radar 217, and a brake valve plate is integrated in the brake control unit 2111.

In this embodiment, the transponder antenna 213 is directly connected to the vehicle chassis, thereby reducing the vibration force exerted on the transponder antenna 213 when the train is running, which is beneficial to improve the service life of the transponder antenna 213 .

By changing the one-car 21 and the eight-car 28 to non-powered vehicles, the related power equipment is transferred to other vehicles, so that there is enough installation space under the one-car 21 and the eight-car 28, so that the first Doppler radar 217 can Directly mounted on the vehicle chassis, facilitating the installation and adjustment of the first Doppler radar 217.

As shown in FIG. 9 , the undercarriage of the second car 22 and the seventh car 27 in this embodiment are sequentially provided with a power bogie 221, a motor cooling unit 222, a dirt box 223, an air cylinder 224, Brake control unit 225, traction device 226, motor cooling unit 222 and power bogie 221; among them, traction converter and auxiliary converter are integrated in the traction device; the motor cooling unit is a water cooling unit; the brake control unit is integrated Has brake valve plate.

As shown in FIG. 10 , a non-power bogie 231 , a dirt box 232 , an auxiliary air compressor 233 , and an external power supply are sequentially arranged under the cars of the three-car 23 and the six-car 26 in this embodiment from the first end to the second end. box 234 , DC high voltage box 235 , traction transformer 236 , air cylinder 237 , brake control unit 238 and non-power bogie 231 ; wherein the auxiliary air compressor 233 and the external power supply box 234 are arranged at two opposite sides in the width direction of the three-car 23 . On the other hand, the traction transformer 236 is arranged between the DC high voltage tank 235 and the air cylinder 237; the brake control unit 238 is integrated with a brake valve plate.

In this embodiment, the traction transformers 236 are arranged on the three-car 23 and the six-car 26, so that the traction transformer 236 is further away from the one-car 21 and the eight-car 28, which reduces the risk of transformer oil fire in the vehicle crash mode, and improves the train security.

By setting the DC high-voltage box 235 on the three-car 23 and the six-car 26, the train can adapt to the AC-DC dual-mode running, and the adaptability of the train to the infrastructure is enhanced.

As shown in FIG. 11 , a power bogie 241 , a motor cooling unit 242 , a traction device 243 , a brake control unit 244 , and an air cylinder 245 are sequentially provided under the vehicle of the four-car 24 in this embodiment from the first end to the second end. , a dirt box 246, a motor cooling unit 242 and a power bogie 241; the traction converter and auxiliary converter are integrated in the traction device 243; the motor cooling unit 242 is a water cooling unit; the brake control unit 244 is integrated with a Brake valve plate.

As shown in FIG. 12 , a power bogie 251 , a motor cooling unit 252 , a dirt box 253 , an air cylinder 254 , and a brake control unit are sequentially provided under the vehicle of the five-car 25 in this embodiment from the first end to the second end. 255 , rescue coupler 256 , traction device 257 , motor cooling unit 252 and power bogie 251 . The traction converter and the auxiliary converter are integrated in the traction device 257 ; the motor cooling unit 252 is a water cooling unit; and the brake control unit 255 is integrated with a brake valve plate.

From the description of the second vehicle 22 , the fourth vehicle 24 , the fifth vehicle 25 and the seventh vehicle 27 , it can be seen that this embodiment integrates the traction converter and the auxiliary converter into an integrated traction device, which can reduce the traction converter and auxiliary converter. The space size and weight occupied by the converter greatly reduce the energy consumption of the vehicle.

In addition, in this embodiment, the motor cooling unit adapted to the power bogie is a water cooling unit, and the cooling power and efficiency are both high.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " The orientation or positional relationship indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation shown in the drawings or The positional relationship is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present application.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

In this application, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection It can be a mechanical connection, an electrical connection or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

While the preferred embodiments of the present application have been described, additional changes and modifications to these embodiments may occur to those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be construed to include the preferred embodiment and all changes and modifications that fall within the scope of this application.

Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

An EMU train is characterized by comprising: one car, eight cars and a plurality of intermediate cars located between the one car and the eight cars;

The first end of the one car is located at the first end of the EMU train, the one car is provided with a business passenger room, and the bottom of the one car is provided with a non-power bogie;

One end of the eight-car is located at the second end of the EMU train, the eight-car is provided with a business passenger room, and the non-power bogie is arranged below the eight-car;

A plurality of the intermediate cars are sequentially connected between the second end of the first car and the second end of the eight cars, and a power bogie is arranged under some of the intermediate cars.
The EMU train according to claim 1, wherein the one-car and the eight-car have the same structure, and two non-power bogies are arranged below the one car, and two non-power steering The racks are respectively arranged close to the one-position end and the second-position end of the one-carriage.
The EMU train according to claim 2, wherein two transponder antennas are further arranged under the one car, and the two transponder antennas are directly connected to the underframe of the carriage, and one of the transponder antennas is The transponder antenna is located between the two non-powered bogies, and the other said transponder antenna is located on the side of the non-powered bogie that is close to the one-digit end of the one-carriage toward the one-digit end of the one-carriage.
The EMU train according to claim 3, further comprising a first Doppler radar, and the transponder antenna located between the two non-power bogies is integrated in the first Doppler radar On the radar; a dirt box is also arranged under the one vehicle, and the dirt box is arranged at intervals from the first Doppler radar.
The EMU train according to claim 4, wherein a second Doppler radar, a sandbox, a charger, an electronic label, a main air compressor, an air cylinder, and a brake are further provided below the one car. A control unit and a battery, the second Doppler radar and the sandbox are located on the side of the non-power bogie that is close to the one-digit end of the one vehicle toward the one-digit end of the one-car, the charger, the electronic label , the main air compressor, the air cylinder, the brake control unit and the battery are sequentially arranged between the two non-power bogies from the one-position end of the one-car to the second-position end of the one-car. The first Doppler radar is located between the electronic label and the main air compressor, and the dirt box is located between the main air compressor and the air cylinder.
The EMU train according to any one of claims 1-5, wherein the plurality of intermediate cars comprises:

Two cars, one end of the second car is connected to the second end of the first car, and the power bogie is arranged below the second car;

Three cars, one end of the third car is connected to the second end of the second car, and the non-power bogie is arranged below the third car;

Four cars, one end of the four cars is connected to the second end of the three cars, and the power bogie is arranged under the four cars;

Five-car, the two-position end of the five-car is connected to the two-position end of the four-car, and the power bogie is arranged below the five-car;

Six cars, the second end of the sixth car is connected to the first end of the fifth car, and the non-power bogie is arranged below the sixth car;

Seven cars, the second end of the seventh car is connected to the first end of the sixth car, and the power bogie is arranged below the seventh car.
The EMU train according to claim 6, wherein the structures of the second car and the seventh car are the same, and two power bogies are provided below the second car, and the two power bogies are respectively The first and second ends of the two vehicles are arranged; a traction device is also arranged between the two power bogies, and a traction converter and an auxiliary converter are integrated in the traction device.
The EMU train according to claim 7, wherein two motor cooling units, a dirt box, an air cylinder and a brake control unit are further arranged between the two power bogies, and the two motors The cooling units are respectively arranged close to the two power bogies, the dirt box, the air cylinder and the brake control unit are arranged in sequence from the first end of the second car to the second end of the second car, and the traction The device is arranged between the brake control unit and the motor cooling unit; wherein the motor cooling unit is a water cooling unit.
The EMU train according to claim 6, wherein the three-car and the six-car have the same structure, and two non-power bogies are arranged below the three-car, and two non-power steering The racks are respectively arranged close to the first-position end and the second-position end of the three vehicles; a traction transformer is also arranged between the two non-power bogies.
The EMU train according to claim 8, wherein a dirt box, an auxiliary air compressor, an external power supply box, a DC high voltage box, an air cylinder and a brake are further arranged between the two non-power bogies. The control unit, the dirt box, the auxiliary air compressor, the external power supply box, the DC high-voltage box, the air cylinder and the brake control unit are sequentially arranged from the one-position end of the three cars to the second-position end of the three cars, Wherein, the auxiliary air compressor and the external power supply box are arranged opposite to each other and are located on both sides of the three-vehicle width direction, respectively, and the traction transformer is arranged between the DC high-voltage box and the air cylinder.
The EMU train according to claim 6, wherein two power bogies are arranged below the four cars, and the two power bogies are respectively close to the first end and the second end of the four cars. bit end setting;

There are also two motor cooling units, a traction device, a brake control unit, an air cylinder and a dirt box between the two power bogies, and the two motor cooling units are respectively arranged close to the two power bogies. , the traction device, the brake control unit, the air cylinder and the dirt box are sequentially arranged from the first end of the four cars to the second end of the four cars, and the traction device is integrated with a traction converter and The auxiliary converter, the motor cooling unit is a water cooling unit.
The EMU train according to claim 6, wherein two power bogies are arranged below the five cars, and the two power bogies are respectively close to the first end and the second end of the five cars. bit end setting;

There are also two motor cooling units, a dirt box, an air cylinder, a brake control unit, a rescue coupler and a traction device between the two power bogies, and the two motor cooling units are respectively close to the two power trucks. Bogie setting, the dirt box, air cylinder, brake control unit, rescue coupler and traction device are sequentially arranged from the first end of the five-car to the second end of the five-car, and the traction device is integrated in the There are traction converters and auxiliary converters, and the motor cooling unit is a water cooling unit.