CN114312922A - Shunting system of power distributed motor train unit and power distributed motor train unit - Google Patents
Shunting system of power distributed motor train unit and power distributed motor train unit Download PDFInfo
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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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
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a shunting system of a power distributed motor train unit and the power distributed motor train unit.
Background
At present, a freight train mostly adopts a large marshalling, and traction locomotives are concentrated at the front part and/or the middle part of the train and have a 3+0 mode, a 2+1 mode and a 1+1 mode; respectively connecting 3 traction locomotives with each other to pull ten thousand tons or two ten thousand tons of trucks, connecting 2 traction locomotives with each other to pull a part of trucks and 1 traction locomotive to pull another part of trucks, and connecting 1 traction locomotive to pull a part of trucks and another 1 traction locomotive to pull another part of trucks; there are also two tractors at both ends and a truck in the middle. However, the problems of serious coupler abrasion and inconvenient station yard shunting and transferring exist in the current shunting operation process of the freight train.
Disclosure of Invention
Accordingly, there is a need for a shunting system for a power-distributed motor train unit and a power-distributed motor train unit.
In one embodiment, a shunting system for a power decentralized multiple unit is provided, the power decentralized multiple 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.
In one embodiment, a wireless handheld terminal comprises: the button box is used for outputting shunting control signals; the encoder is electrically connected with the button box and is used for receiving the shunting control signal output by the button box, compiling the shunting control signal and outputting a shunting control instruction; the transmitter is electrically connected with the encoder, is connected with the ground relay device in a wireless communication manner, and is used for receiving the shunting control command output by the encoder and outputting the shunting control command.
In one embodiment, an in-vehicle shunting device includes: the receiver is connected with the ground relay device in a wireless communication mode and 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.
In one embodiment, the terrestrial relay device is a wireless routing repeater.
In one embodiment, 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 network is used for supplying power to the power distributed 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, is used for controlling the high-voltage contact system to supply power for the power distributed motor train unit when the pantograph is connected with the high-voltage contact system, and is also used for controlling the auxiliary power pack to supply power for the power distributed motor train unit when the pantograph is disconnected from the high-voltage contact system.
In one embodiment, 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 reducing the voltage of a power supply signal output by the high-voltage contact system when the pantograph is connected with the high-voltage contact system and outputting a first electric signal to supply power for the power distributed motor train unit.
In one embodiment, 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.
In one embodiment, the control device is a selection 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.
In one embodiment, the auxiliary power pack is an on-board battery.
In one embodiment, a power decentralized multiple unit is provided, the power decentralized multiple unit comprises a traction locomotive, a plurality of conductive multifunctional couplers, a plurality of trucks and a shunting system of the power decentralized multiple unit as in any one of the embodiments; the traction locomotive and each truck are sequentially connected through corresponding conductive multifunctional couplers.
Based on the above, the shunting system of the power distributed motor train unit outputs shunting control instructions to the ground relay device through the operation of the wireless handheld terminal by workers; then, receiving the shunting control command through a ground relay device and forwarding the shunting control command to a vehicle-mounted shunting device; and then, the vehicle-mounted shunting device controls the traction locomotives in the power distributed motor train unit to carry out shunting operation according to the shunting control instruction, and the power distributed motor train unit adopts a small marshalling mode, so that the problems of serious coupler abrasion and inconvenient station yard shunting and transportation of a freight train in the shunting operation process are solved, the shunting operation efficiency is greatly improved, and the transportation safety and the equipment reliability of a shunting system of the power distributed motor train unit are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an application environment diagram of a shunting system of a power decentralized multiple unit according to an embodiment;
fig. 2 is a first internal structural block diagram of a shunting system of a power decentralized multiple unit according to an embodiment;
FIG. 3 is a block diagram of the internal structure of a wireless handheld terminal according to an embodiment;
FIG. 4 is a block diagram of an internal structure of the shunting device for vehicles according to the embodiment;
FIG. 5 is a second internal block diagram of the shunting system of the power decentralized multiple unit according to an embodiment;
fig. 6 is a second internal structure block diagram of the shunting system of the power decentralized multiple unit train according to the embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. 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 the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify 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 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 2, a shunting system for a power decentralized multiple unit train is provided, the power decentralized multiple unit train comprising a traction locomotive 100, a plurality of electrically conductive multifunctional couplers and a plurality of trucks 200; the traction locomotive 100 and each truck 200 are sequentially connected through the corresponding conductive multifunctional couplers; it is to be understood that the above connections include electrical and mechanical connections; therefore, the flexibility of marshalling of the power distributed motor train unit is improved, and the marshalling can be switched, increased and decreased at any time. The shunting system comprises a wireless handheld terminal 300, a ground relay device 400 and a vehicle-mounted shunting device 500.
In a specific example, the shunting system of the power distribution type motor train unit can perform short-distance wireless shunting on the whole power distribution type motor train unit and can also perform short-distance wireless shunting on the power distribution type motor train unit without a cab. The whole power distributed motor train unit comprises a power distributed motor train unit with a cab and a first preset number of power distributed motor train units without cabs. The power distributed motor train unit with the cab consists of a traction locomotive with the cab and a second preset number of trucks. The power distributed motor train unit without the cab consists of a traction locomotive without the cab and a third preset number of trucks. The above is only a specific example, and the practical application can be flexibly set according to requirements, and is not limited herein.
In one embodiment, the locomotives 100 include locomotives with control cabs and locomotives without control cabs.
In one embodiment, a reconnection cable is laid in the truck 200; the multi-connection cable is connected with the corresponding conductive multifunctional car coupler, so that the transmission of a power supply and a signal in a workshop is realized.
The wireless handheld terminal 300 is used for outputting shunting control instructions. 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.
A button box 310 for outputting a shunting control signal; in one particular example, the shunting control signals include traction control signals, propulsion control signals, and brake control signals. The above is only a specific example, and the practical application can be flexibly set according to requirements, and is not limited herein.
The encoder 320 is electrically connected with the button box 310 and is used for receiving the shunting control signal output by the button box, compiling the shunting control signal and outputting a shunting control instruction;
and the transmitter 330 is electrically connected with the encoder 320, is in wireless communication connection with the ground relay device 400, and is used for receiving the shunting control command output by the encoder 320 and outputting the shunting control command.
In one particular example, the transmitter 330 may wirelessly communicate with the terrestrial relay 400 by, but not limited to, LoRa communication, Zigbee communication, UWB communication, 4G communication, 5G communication, or GPRS communication. The LoRa communication has the characteristics that the communication transmission does not need to use a public network, but uses a wireless local area network with lower power consumption, the wireless radio frequency transmission distance is large, and the like. The Zigbee communication has the characteristics of good stability, low power consumption, high expandability, good universality, good compatibility and the like. The UWB communication has the characteristics of good compatibility, low power consumption, high communication speed, low cost and the like. The 4G communication module and the 5G communication module have the characteristics of high communication speed, wide network spectrum, good compatibility, high intelligence and the like. The GPRS communication has the characteristics of high communication speed, simple networking, long transmission distance and the like. The above is only a specific example, and the practical application can be flexibly set according to requirements, and is not limited herein.
In this embodiment, the shunting control signal is output to the encoder 320 through the button box 310, and is compiled through the encoder 320, and a shunting control instruction is output to the transmitter 330; meanwhile, the shunting control command is outputted to the ground relay apparatus 400 through the transmitter 330, thereby improving convenience and adaptability of the wireless handheld terminal 300.
The ground relay device 400 is connected to the wireless handheld terminal 300 in a wireless communication manner, and is configured to receive the shunting control command output by the wireless handheld terminal 300 and output the shunting control command. In one embodiment, the terrestrial relay device may be, but is not limited to, a wireless routing repeater.
The vehicle-mounted shunting device 500 is arranged on the traction locomotive 100, is connected with the ground relay device 400 in a wireless communication manner, is electrically connected with the traction locomotive 100, and is used for receiving a shunting control command output by the ground relay device 400 and controlling the traction locomotive 100 to perform shunting operation according to the shunting control command.
In one embodiment, as shown in fig. 4, the in-vehicle shunting device 500 includes a receiver 510, a decoder 520, and a command converter 530.
The receiver 510 is connected to the ground relay apparatus 400 in a wireless communication manner, and is configured to receive the shunting control command output by the ground relay apparatus 400 and output the shunting control command. The decoder 520 is electrically connected to the receiver 510, and is configured to receive the shunting control instruction output by the receiver 510, decode the shunting control instruction, and output the decoded instruction; the command converter 530 is electrically connected to the decoder 520 and the lead locomotive 100, and is configured to receive the decoded command and control the lead locomotive 100 to perform a shunting operation according to the decoded command.
In the present embodiment, the in-vehicle 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; then, the decoder 520 decodes the vehicle control command, and outputs the decoded command to the command converter 530; then, the command converter 530 controls the traction locomotive 100 to perform shunting operation according to the decoded command, thereby improving convenience and adaptability of the on-board shunting device 500.
Based on this, the shunting system of the power distributed motor train unit outputs shunting control instructions to the ground relay device 400 through the operation of the wireless handheld terminal 300 by workers; then, the shunting control command is received by the ground relay device 400 and forwarded to the vehicle-mounted shunting device 500; then, the vehicle-mounted shunting device 500 controls the traction locomotive 100 in the power distributed motor train unit to perform shunting operation according to the shunting control command, and the power distributed motor train unit adopts a small marshalling mode, so that the problems of serious coupler abrasion and inconvenient station yard shunting and transportation of a freight train in the shunting operation process are solved, the shunting operation efficiency is greatly improved, and the transportation safety and the equipment reliability of a shunting system of the power distributed motor train unit are improved.
In one embodiment, as shown in fig. 5, the shunting system further comprises a pantograph 600, an auxiliary power pack 700 and a control device 800.
The pantograph 600 is arranged on the traction locomotive 100 and used for being connected with a high-voltage contact network; the high-voltage contact net is used for supplying power to the power distributed motor train unit. It can be understood that, since the traction locomotive 100 and each truck 200 are connected in sequence, the connection includes an electrical connection and a mechanical connection, and the pantograph 600 is disposed on the traction locomotive 100, the high-voltage contact system can supply power to the traction locomotive 100 and each truck 200 in the distributed power train unit. In a specific example, the voltage value of the high-voltage contact network is 25KV, which is only a specific example above, and the voltage value can be flexibly set according to requirements in practical application, and is not limited herein.
The auxiliary power pack 700 is disposed on the traction locomotive 100 for supplying power to the power decentralized multiple unit. It is understood that since the traction locomotive 100 and each of the trucks 200 are connected in sequence, the connection includes an electrical connection and a mechanical connection, and the auxiliary power pack 700 is disposed on the traction locomotive 100, the auxiliary power pack 700 may supply power to the traction locomotive 100 and each of the trucks 200 in the power decentralized multiple unit train.
In one embodiment, the auxiliary power pack 200 is an on-board battery. Therefore, the cost of the shunting system of the power distributed motor train unit is reduced.
The control device 800 is arranged on the traction locomotive 100, is connected with the pantograph 100 and the auxiliary power pack 200, and is used for controlling the high-voltage contact system to supply power to the power-dispersed motor train unit when the pantograph 100 is connected with the high-voltage contact system, and is also used for controlling the auxiliary power pack to supply power to the power-dispersed motor train unit when the pantograph 100 is disconnected from the high-voltage contact system. In addition, since the control device 800 is provided on the traction locomotive 100 and the trucks 200 are connected in sequence, the power can be supplied to the traction locomotive 100 and the trucks 200, which are the power distribution type motor train unit, through the output end of the control device 800.
In one embodiment, the control device 800 is a selection switch; the first input end of the selector switch is connected with the pantograph 600, the second input end of the selector switch is connected with the auxiliary power pack 700, and the output end of the selector switch is used for supplying power to the power distributed motor train unit.
In one specific example, when the power distribution type motor train unit passes through the high-voltage contact network area, the power distribution type motor train unit can lift the pantograph 600, so that the pantograph 600 is connected with the high-voltage contact network; meanwhile, the first input end of the selector switch is connected with the output end of the selector switch, the second input end of the selector switch is disconnected with the output end of the selector switch, and the first input end of the selector switch is connected with the pantograph 600 and the second input end of the selector switch is connected with the auxiliary power pack 700, so that the high-voltage contact system can supply power to the power distributed motor train unit, namely the traction locomotive and the multiple trucks through the pantograph 600. When the power distributed motor train unit passes through a high-voltage contact network area or an overhaul area, the power distributed motor train unit can lower the pantograph 600, so that the pantograph 600 is disconnected from the high-voltage contact network; meanwhile, the first input end of the selector switch is disconnected with the output end of the selector switch, the second input end of the selector switch is connected with the output end of the selector switch, and the first input end of the selector switch is connected with the pantograph and the second input end of the selector switch is connected with the auxiliary power pack 700, so that the auxiliary power pack 700 can supply power to the power distribution type motor train unit, namely the traction locomotive and the multiple trucks. The above is only a specific example, and the practical application can be flexibly set according to requirements, and is not limited herein.
In one embodiment, as shown in fig. 6, the shunting system further comprises a transformer 900. The transformer 900 is arranged on the traction locomotive 100, is connected with the pantograph 600 and the control device 800, and is used for performing voltage reduction processing on a power supply signal output by the high-voltage contact system when the pantograph 300 is connected with the high-voltage contact system, and outputting a first electric signal to supply power to the power-distributed motor train unit.
In one embodiment, as shown in fig. 6, the shunting system further comprises a traction converter 1000. The traction converter 1000 is arranged on the traction locomotive, connected with the transformer 900 and the control device 800, and used for performing rectification and inversion processing on the first electric signal and outputting a second electric signal to supply power to the power-distributed motor train unit.
In one embodiment, a power decentralized multiple unit is provided, the power decentralized multiple unit comprises a traction locomotive, a plurality of conductive multifunctional couplers, a plurality of trucks and a shunting system of the power decentralized multiple unit as in any one of the embodiments; the traction locomotive and each truck are sequentially connected through corresponding conductive multifunctional couplers.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall 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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