CN114312922A - The shunting system of the power-distributed EMU and the power-distributed EMU - Google Patents

Abstract

The invention relates to a shunting system of a power distributed motor train unit and the power distributed motor train unit. The power distributed motor train unit comprises a traction locomotive, a plurality of conductive multifunctional couplers and a plurality of trucks; the traction locomotive and each truck are sequentially connected through corresponding conductive multifunctional couplers; the shunting system includes: the wireless handheld terminal is used for outputting shunting control instructions; the ground relay device is in wireless communication connection with the wireless handheld terminal and is used for receiving the shunting control instruction output by the wireless handheld terminal and outputting the shunting control instruction; the vehicle-mounted shunting device is arranged on the traction locomotive, is connected with the ground relay device in a wireless communication mode, is electrically connected with the traction locomotive, and is used for receiving shunting control instructions output by the ground relay device and controlling the traction locomotive to perform shunting operation according to the shunting control instructions. The shunting system of the power distributed motor train unit can avoid the problems of serious coupler abrasion and inconvenient station shunting and transportation in the shunting operation process of the freight train.

Description

The shunting system of the power-distributed EMU and the power-distributed EMU

technical field

The invention relates to the technical field of railway vehicles, in particular to a shunting system of a power-distributed EMU and a power-distributed EMU.

Background technique

At present, freight trains mostly use large formations, and traction locomotives are concentrated in the front and/or middle of the train. There are 3+0 mode, 2+0 mode, 2+1 mode, and 1+1 mode; 3 traction locomotives are reconnected. Towing a 10,000-ton or 20,000-ton truck, 2 tractor locomotives are combined to haul a 10,000-ton or 20,000-ton truck, 2 tractor locomotives are combined to haul some trucks + 1 tractor locomotive tow another part of the truck, and 1 tractor locomotive tow some trucks + Another tractor locomotive pulls another part of the freight car; there are also traction locomotives at both ends and a freight car in the middle. However, in the process of shunting operation of freight trains, there are serious coupler wear and inconvenience in shunting and transferring at the station.

SUMMARY OF THE INVENTION

Based on this, it is necessary to provide a shunting system for a power-distributed EMU and a power-distributed EMU.

In one embodiment, a shunting system for a power-distributed EMU is provided. The power-distributed EMU includes a traction locomotive, a plurality of conductive multi-functional couplers and a plurality of freight cars; the traction locomotive and each freight car pass through corresponding Conductive multi-function couplers are connected in sequence; the shunting system includes:

Wireless handheld terminal, used to output shunting control commands;

The ground relay device, wirelessly connected to the wireless handheld terminal, is used to receive the shunting control command output by the wireless handheld terminal, and output the shunting control command;

The on-board shunting device is arranged on the traction locomotive, wirelessly connected to the ground relay device, and electrically connected to the traction locomotive, for receiving the shunting control command output by the ground relay device, and controlling the traction locomotive to shun the locomotive according to the shunting control command Operation.

In one embodiment, the wireless handheld terminal includes: a button box for outputting the shunting control signal; an encoder, electrically connected to the button box, for receiving the shunting control signal output by the button box, and also used for aligning the shunting control signal Compile and process, and output shunting control instructions; the transmitter, which is electrically connected to the encoder and wirelessly connected to the ground relay device, is used to receive the shunting control instructions output by the encoder, and is also used to output the shunting control instructions.

In one embodiment, the vehicle-mounted shunting device includes: a receiver, connected to the ground relay device by wireless communication, for receiving the shunting control command output by the ground relay device, and outputting the shunting control command; a decoder, electrically connected The receiver is used to receive the shunting control instructions output by the receiver, and is also used to decode the shunting control instructions and output the decoded instructions; the instruction converter is electrically connected to the decoder and the traction locomotive, and is used to receive the decoded instructions. and control the traction locomotive to perform shunting operations according to the decoded instructions.

In one of the embodiments, the ground repeater is a wireless router repeater.

In one of the embodiments, the shunting system further includes: a pantograph, which is arranged on the traction locomotive and is used for connecting the high-voltage catenary; the high-voltage catenary is used to supply power to the power-dispersed EMU; On the locomotive, it is used to supply power for the power-dispersed EMU; the control device is installed on the traction locomotive, connected to the pantograph and the auxiliary power pack, and used to control the high-voltage catenary as power when the pantograph is connected to the high-voltage catenary. The distributed EMU supplies power, and is also used to control the auxiliary power pack to supply power to the power distributed EMU when the pantograph is disconnected from the high-voltage catenary.

In one embodiment, the shunting system further includes: a transformer, which is arranged on the traction locomotive and is connected to the pantograph and the control device, and is used to output a power supply signal to the high-voltage catenary when the pantograph is connected to the high-voltage catenary. Step-down processing is performed, and a first electrical signal is output to supply power to the power-dispersed EMU.

In one embodiment, the shunting system further includes: a traction converter, disposed on the traction locomotive, connected to the transformer and the control device, for rectifying and inverting the first electrical signal, and outputting the second electrical signal as Power distributed EMU power supply.

In one of the embodiments, the control device is a selector switch; the first input end of the selector switch is connected to the pantograph, the second input end of the selector switch is connected to the auxiliary power pack, and the output end of the selector switch is used for the power dispersive EMU powered by.

In one of the embodiments, the auxiliary power pack is an on-board battery.

In one embodiment, a power-dispersed EMU is provided, and the above-mentioned power-distributed EMU includes a traction locomotive, a plurality of electrically conductive multi-function couplers, a plurality of freight cars, and the power dispersal as in any of the foregoing embodiments The shunting system of the type EMU; the traction locomotive and each freight car are connected in turn through the corresponding conductive multi-function couplers.

Based on this, the shunting system of the above-mentioned power-distributed EMU outputs the shunting control command to the ground relay device through the operation of the wireless handheld terminal by the staff; then, the shunting control command is received through the ground relay device and forwarded to the vehicle-mounted shunting device. Then, the on-board shunting device controls the traction locomotives in the power-distributed EMU to perform shunting operation according to the shunting control command. Since the power-distributed EMU adopts a small group method, it avoids the freight trains during the shunting operation. There are serious problems of coupler wear and inconvenience in shunting and transfer at the station, which greatly improves the efficiency of shunting operation, and improves the transportation safety and equipment reliability of the shunting system of the power decentralized EMU.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the traditional technology, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the traditional technology. Obviously, the drawings in the following description are only the For some embodiments of the application, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is an application environment diagram of a shunting system for a power-distributed EMU according to an embodiment;

2 is a first internal structural block diagram of a shunting system of a power-distributed EMU according to an embodiment;

3 is a block diagram of an internal structure of a wireless handheld terminal according to an embodiment;

4 is a block diagram of the internal structure of a vehicle-mounted shunting device according to an embodiment;

FIG. 5 is a second internal structural block diagram of the shunting system of a power-distributed EMU according to an embodiment;

FIG. 6 is a block diagram of the second internal structure of the shunting system of a power-distributed EMU according to an embodiment.

Detailed ways

In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. Embodiments of the present application are presented in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are for the purpose of describing specific embodiments only, and are not intended to limit the application.

It will be understood that the terms "first", "second", etc. used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish a first element from another element. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of this application. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

It can be understood that the "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between them.

As used herein, the singular forms "a," "an," and "the/the" can include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the terms "comprising/comprising" or "having" etc. designate the presence of stated features, integers, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more Possibilities of other features, integers, steps, operations, components, parts or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.

In one embodiment, as shown in FIG. 1 and FIG. 2 , a shunting system for a power-distributed EMU is provided. The power-distributed EMU includes a traction locomotive 100 , a plurality of conductive multi-function couplers and a plurality of Freight car 200; the traction locomotive 100 and each freight car 200 are connected in sequence through the corresponding conductive multi-function couplers; it can be understood that the above connection includes electrical connection and mechanical connection; thus improving the flexibility of power-dispersed EMU marshalling , to realize the switch and increase or decrease of the group at any time. The shunting system includes a wireless handheld terminal 300 , a ground relay device 400 and a vehicle shunting device 500 .

In a specific example, the shunting system of the power-distributed EMU can perform short-distance wireless shunting for the entire power-dispersed EMU, and can also perform short-distance wireless shunting for the power-dispersed EMU without a driver's cab. Wherein, the entire power-distributed EMU includes a power-distributed EMU with a driver's cab and a first preset number of power-distributed EMUs without a driver's cab. The power decentralized EMU with driver's cab is composed of a traction locomotive with driver's cab and a second preset number of freight cars. The power decentralized EMU without a cab consists of a traction locomotive without a cab and a third preset number of freight cars. The above is only a specific example, which can be flexibly set according to requirements in practical applications, and is not limited here.

In one embodiment, the traction locomotive 100 includes a traction locomotive with a cab with a control function and a traction locomotive with a cab without a control function.

In one embodiment, a reconnection cable is laid in the truck 200; the reconnection cable is connected to a corresponding conductive multi-function coupler, so as to realize the transmission of power and signals in the truck workshop.

The wireless handheld terminal 300 is used for outputting shunting control commands. In one embodiment, as shown in FIG. 3 , the wireless handheld terminal 300 includes a button box 310 , an encoder 320 and a transmitter 330 .

The button box 310 is used to output a shunting control signal; in a specific example, the shunting control signal includes a traction control signal, a propulsion control signal and a braking control signal. The above is only a specific example, which can be flexibly set according to requirements in practical applications, and is not limited here.

The encoder 320, electrically connected to the button box 310, is used for receiving the shunting control signal output by the button box, and is also used for compiling and processing the shunting control signal, and outputting the shunting control instruction;

The transmitter 330 is electrically connected to the encoder 320 and wirelessly connected to the ground relay device 400 for receiving the shunting control command output by the encoder 320 and also for outputting the shunting control command.

In a specific example, the manner of wireless communication between the transmitter 330 and the ground relay device 400 may be, but not limited to, LoRa communication, Zigbee communication, UWB communication, 4G communication, 5G communication or GPRS communication. Among them, LoRa communication has the characteristics that communication transmission does not need to use a public network, but a wireless local area network with low power consumption, and the wireless radio frequency transmission distance is large. Zigbee communication has the characteristics of good stability, low power consumption, high scalability, good versatility and good compatibility. UWB communication has the characteristics of good compatibility, low power consumption, fast communication speed and low cost. 4G communication mode and 5G communication have the characteristics of fast communication speed, wide network spectrum, good compatibility and high intelligence. GPRS communication has the characteristics of fast communication speed, simple networking and long transmission distance. The above is only a specific example, which can be flexibly set according to requirements in practical applications, and is not limited here.

In this embodiment, the shunting control signal is output to the encoder 320 through the button box 310, the shunting control signal is compiled and processed through the encoder 320, and the shunting control instruction is output to the transmitter 330; The shunting control command is output to the ground relay device 400 , thereby improving the convenience and adaptability of the wireless handheld terminal 300 .

The ground relay device 400 is wirelessly connected to the wireless handheld terminal 300 for receiving the shunting control instruction output by the wireless handheld terminal 300 and outputting the shunting control instruction. In one of the embodiments, the terrestrial relay device may be, but is not limited to, a wireless routing relay.

The on-board shunting device 500 is arranged on the traction locomotive 100, wirelessly connected to the ground relay device 400, and electrically connected to the traction locomotive 100, for receiving the shunting control command output by the ground relay device 400, and controlling the traction according to the shunting control command The locomotive 100 performs a shunting operation.

In one of the embodiments, as shown in FIG. 4 , the vehicle shunting device 500 includes a receiver 510 , a decoder 520 and a command converter 530 .

The receiver 510 is wirelessly connected to the ground relay device 400, and is used for receiving the shunting control command output by the ground relay device 400, and outputting the shunting control command. The decoder 520 is electrically connected to the receiver 510, and is used for receiving the shunting control instruction output by the receiver 510, and is also used for decoding the shunting control instruction, and outputting the decoded instruction; the instruction converter 530 is electrically connected to the decoder 520 and the The traction locomotive 100 is configured to receive the decoded instruction, and control the traction locomotive 100 to perform the shunting operation according to the decoded instruction.

In this embodiment, the vehicle-mounted shunting device 500 receives the shunting control command output by the ground relay device 400 through the receiver 510, and outputs the shunting control command to the decoder 520; decoding process, and output the decoded instruction to the instruction converter 530; then, the instruction converter 530 controls the traction locomotive 100 to perform shunting operation according to the decoded instruction, thereby improving the convenience and adaptability of the vehicle-mounted shunting device 500 .

Based on this, the shunting system of the above-mentioned power-distributed EMU outputs the shunting control command to the ground relay device 400 by operating the wireless handheld terminal 300 by the staff; then, the ground relay device 400 receives the shunting control command and forwards it to The on-board shunting device 500; then, the on-board shunting device 500 controls the traction locomotives 100 in the power-distributed EMU to perform shunting operations according to the shunting control command. In the process of shunting operation, there are problems of serious coupler wear and inconvenient shunting transfer at the station, which greatly improves the efficiency of shunting operation, and improves the transportation safety and equipment reliability of the shunting system of the power decentralized EMU.

In one embodiment, as shown in FIG. 5 , the shunting system further includes a pantograph 600 , an auxiliary power pack 700 and a control device 800 .

The pantograph 600 is arranged on the traction locomotive 100 and is used to connect the high-voltage catenary; the high-voltage catenary is used to supply power for the power-dispersed EMU. It can be understood that, since the traction locomotive 100 is connected with each freight car 200 in sequence, the connection includes electrical connection and mechanical connection, and the pantograph 600 is arranged on the traction locomotive 100, so the high-voltage catenary can be used in the power-distributed EMU. The traction locomotive 100 and each of the wagons 200 are powered. In a specific example, the voltage value of the high-voltage catenary is 25KV, and the above is only a specific example, which can be flexibly set according to requirements in practical applications, which is not limited here.

The auxiliary power pack 700 is provided on the traction locomotive 100 and is used for supplying power to the power-dispersed EMU. It can be understood that, since the traction locomotive 100 is connected to each truck 200 in sequence, the connection includes electrical connection and mechanical connection, and the auxiliary power pack 700 is arranged on the traction locomotive 100, so the auxiliary power pack 700 can be a power-dispersed EMU. The traction locomotive 100 and each truck 200 are powered.

In one of the embodiments, the auxiliary power pack 200 is an on-board battery. Therefore, the cost of the shunting system of the power-distributed EMU is reduced.

The control device 800 is arranged on the traction locomotive 100, and is connected to the pantograph 100 and the auxiliary power pack 200, and is used to control the high-voltage catenary to supply power to the power-dispersed EMU when the pantograph 100 is connected to the high-voltage catenary, and is also used for When the pantograph 100 is disconnected from the high-voltage catenary, the auxiliary power pack is controlled to supply power to the power-dispersed EMU. In addition, since the control device 800 is provided on the traction locomotive 100, and the traction locomotive 100 and each freight car 200 are connected in sequence, the output end of the control device 800 can supply power to the power-distributed EMU, that is, the traction locomotive 100 and the plurality of freight cars 200.

In one embodiment, the control device 800 is a selector switch; the first input end of the selector switch is connected to the pantograph 600 , the second input end of the selector switch is connected to the auxiliary power pack 700 , and the output end of the selector switch is used for power dispersion EMU power supply.

In a specific example, when the power-distributed EMU passes through the high-voltage catenary area, the power-distributed EMU can raise the pantograph 600 to connect the pantograph 600 to the high-voltage catenary; at the same time, the first input end of the switch is selected. It is connected to the output end of the selector switch, and the second input end of the selector switch is disconnected from the output end of the selector switch, because the first input end of the selector switch is connected to the pantograph 600 and the second input end of the selector switch is connected to the auxiliary power Package 700, so the high-voltage catenary can supply power to the power decentralized EMU, ie, the traction locomotive and a plurality of freight cars, through the pantograph 600. When the power-distributed EMU passes through the area without high-voltage catenary or the maintenance area, the power-distributed EMU can lower the pantograph 600 to disconnect the pantograph 600 from the high-voltage catenary; at the same time, select the first input of the switch The terminal is disconnected from the output terminal of the selection switch, and the second input terminal of the selection switch is connected to the output terminal of the selection switch, because the first input terminal of the selection switch is connected to the pantograph and the second input terminal of the selection switch is connected to the auxiliary power package 700, so the auxiliary power package 700 can supply power to the power-distributed EMU, ie, the traction locomotive and multiple wagons. The above is only a specific example, which can be flexibly set according to requirements in practical applications, and is not limited here.

In one embodiment, as shown in FIG. 6 , the shunting system further includes a transformer 900 . The transformer 900 is arranged on the traction locomotive 100, and is connected to the pantograph 600 and the control device 800, and is used to perform step-down processing on the power supply signal output by the high-voltage catenary when the pantograph 300 is connected to the high-voltage catenary, and output The first electrical signal supplies power to the power decentralized EMU.

In one of the embodiments, as shown in FIG. 6 , the shunting system further includes a traction converter 1000 . The traction converter 1000 is installed on the traction locomotive, and is connected to the transformer 900 and the control device 800 for rectifying and inverting the first electrical signal, and outputting the second electrical signal to supply power for the power distributed EMU.

In one embodiment, a power-dispersed EMU is provided, and the above-mentioned power-distributed EMU includes a traction locomotive, a plurality of electrically conductive multi-function couplers, a plurality of freight cars, and the power dispersal as in any of the foregoing embodiments The shunting system of the type EMU; the traction locomotive and each freight car are connected in turn through the corresponding conductive multi-function couplers.

In the description of this specification, reference to the description of the terms "some embodiments," "other embodiments," "ideal embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in the present specification. at least one embodiment or example of the invention. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (10)

1. The shunting system of the power decentralized motor train unit is characterized in that the power decentralized motor train unit comprises a traction locomotive, a plurality of conductive multifunctional couplers and a plurality of trucks; the traction locomotive and each truck are sequentially connected through the corresponding conductive multifunctional coupler; the shunting system includes:

the wireless handheld terminal is used for outputting shunting control instructions;

the ground relay device is in wireless communication connection with the wireless handheld terminal and is used for receiving the shunting control instruction output by the wireless handheld terminal and outputting the shunting control instruction;

and the vehicle-mounted shunting device is arranged on the traction locomotive, is connected with the ground relay device in a wireless communication manner, is electrically connected with the traction locomotive, and is used for receiving the shunting control command output by the ground relay device and controlling the traction locomotive to perform shunting operation according to the shunting control command.

2. The shunting system of power decentralized multiple unit according to claim 1, wherein the wireless handheld terminal comprises:

the button box is used for outputting shunting control signals;

the encoder is electrically connected with the button box, is used for receiving the shunting control signal output by the button box, and is also used for compiling the shunting control signal and outputting the shunting control instruction;

and the transmitter is electrically connected with the encoder, is in wireless communication connection with the ground relay device, is used for receiving the shunting control command output by the encoder, and is also used for outputting the shunting control command.

3. The shunting system of power decentralized multiple unit according to claim 1, characterized in that the on-board shunting device comprises:

the receiver is in wireless communication connection with the ground relay device and is used for receiving the shunting control command output by the ground relay device and outputting the shunting control command;

the decoder is electrically connected with the receiver and is used for receiving the shunting control command output by the receiver, decoding the shunting control command and outputting the decoded command;

and the command converter is electrically connected with the decoder and the traction locomotive and is used for receiving the decoded command and controlling the traction locomotive to carry out shunting operation according to the decoded command.

4. The shunting system of power decentralized multiple unit train according to claim 1, wherein the ground relay device is a wireless routing relay.

5. The shunting system of power decentralized multiple unit according to claim 1, characterized in that the shunting system further comprises:

the pantograph is arranged on the traction locomotive and is used for connecting a high-voltage contact network; the high-voltage contact net is used for supplying power to the power decentralized motor train unit;

the auxiliary power pack is arranged on the traction locomotive and used for supplying power to the power distributed motor train unit;

the control device is arranged on the traction locomotive, is connected with the pantograph and the auxiliary power pack, and is used for controlling the high-voltage contact system to supply power to the power distribution type motor train unit when the pantograph is connected with the high-voltage contact system and controlling the auxiliary power pack to supply power to the power distribution type motor train unit when the pantograph is disconnected from the high-voltage contact system.

6. The shunting system of power decentralized multiple unit according to claim 5, characterized in that the shunting system further comprises:

the transformer is arranged on the traction locomotive, is connected with the pantograph and the control device, and is used for carrying out voltage reduction processing on a power supply signal output by the high-voltage contact network when the pantograph is connected with the high-voltage contact network, and outputting a first electric signal to supply power for the power distributed motor train unit.

7. The shunting system of power decentralized multiple unit according to claim 6, characterized in that the shunting system further comprises:

and the traction converter is arranged on the traction locomotive, is connected with the transformer and the control device, and is used for carrying out rectification and inversion processing on the first electric signal and outputting a second electric signal to supply power for the power distributed motor train unit.

8. The shunting system for distributed power motor train units as claimed in claim 5, wherein the control device is a selector switch; the first input end of the selector switch is connected with the pantograph, the second input end of the selector switch is connected with the auxiliary power pack, and the output end of the selector switch is used for supplying power to the power distributed motor train unit.

9. The shunting system of power decentralized multiple unit according to claim 5, characterized in that the auxiliary power pack is a vehicle-mounted battery.

10. A power decentralized motor train unit, characterized in that the power decentralized motor train unit comprises a traction locomotive, a plurality of electrically conductive multifunctional couplers, a plurality of trucks and a shunting system of the power decentralized motor train unit according to any one of claims 1 to 9; the traction locomotive and each truck are sequentially connected through the corresponding conductive multifunctional couplers.

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