CN111824094B - Braking system for train and train - Google Patents
Braking system for train and train Download PDFInfo
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- CN111824094B CN111824094B CN202010750533.7A CN202010750533A CN111824094B CN 111824094 B CN111824094 B CN 111824094B CN 202010750533 A CN202010750533 A CN 202010750533A CN 111824094 B CN111824094 B CN 111824094B
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- 230000003137 locomotive effect Effects 0.000 claims abstract description 334
- 230000008054 signal transmission Effects 0.000 claims abstract description 22
- 238000012806 monitoring device Methods 0.000 claims description 20
- 238000003745 diagnosis Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001172 regenerating effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1705—Braking or traction control means specially adapted for particular types of vehicles for rail vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
- B61L15/0027—Radio-based, e.g. using GSM-R
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The application relates to a train and a brake system for the train, wherein the brake system comprises a locomotive brake system and a vehicle brake system; the locomotive braking system comprises a locomotive master control device, a display screen, a vehicle braking signal transmission device, at least one braking controller and at least one locomotive basic braking device, wherein the display screen is connected with the locomotive master control device in a wireless communication mode; the vehicle braking system comprises a vehicle main control device connected with the vehicle braking signal transmission device in a wireless communication mode and at least one vehicle foundation braking device connected with the vehicle main control device in a wireless communication mode. The scheme can improve the safety and reliability of the brake system.
Description
Technical Field
The application relates to the technical field of locomotive machinery design and manufacture, in particular to a braking system for a train and the train.
Background
At present, the domestic locomotive and vehicle brake signal transmission media are mainly divided into the following three types: although the transmission speed is gradually increased, a brake failure occurs sometimes due to a poor connection of a pipe or a cable.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present application and therefore may include information that does not constitute prior art known to a person of ordinary skill in the art.
Disclosure of Invention
The application aims to provide a train braking system and a train, which can improve the safety and the reliability of the braking system.
A first aspect of the present application provides a braking system for a train, the train including a locomotive and at least one vehicle removably coupled to the locomotive; the braking system includes a locomotive braking system for the locomotive and a vehicle braking system for the vehicle;
the locomotive brake system comprises a locomotive master control device, a display screen, a vehicle brake signal transmission device, at least one brake controller and at least one locomotive basic brake device, wherein the display screen is connected with the locomotive master control device in a wireless communication mode;
the vehicle braking system comprises a vehicle main control device connected with the vehicle braking signal transmission device in a wireless communication mode and at least one vehicle foundation braking device connected with the vehicle main control device in a wireless communication mode;
when the brake controller is operated to brake, the locomotive master control device generates a basic brake force signal according to a received position signal of a brake handle in the brake controller, and controls the corresponding locomotive basic brake device to brake according to the basic brake force signal; meanwhile, the locomotive master control device transmits the basic braking force signal to the vehicle master control device through the vehicle braking signal transmission device, and the vehicle master control device controls the vehicle basic braking device corresponding to the basic braking force signal to brake according to the basic braking force signal;
the display screen can receive and display information of the locomotive master control device.
In an exemplary embodiment of the present application, the locomotive braking system further comprises a locomotive control and monitoring device communicatively coupled to the locomotive master control device;
when the brake controller is operated to brake, the locomotive master control device sends a corresponding electric brake force percentage request signal to the locomotive control and monitoring device according to the received position signal of the brake handle in the brake controller; the locomotive control and monitoring device receives the electric braking force percentage request signal to control the regenerative braking of the locomotive motor and output corresponding electric braking force; when the locomotive master control device receives an electric brake fault signal sent by the locomotive control and monitoring device, the locomotive master control device controls the corresponding locomotive basic brake device to brake according to the basic brake force signal.
In an exemplary embodiment of the present application, the locomotive master control device has a locomotive brake command input output module, a locomotive event recording module, a first power supply module, and at least one locomotive foundation brake control module; the locomotive braking command input and output module is connected with the braking controller in a wireless communication mode and is connected with the locomotive control and monitoring device in a wired and/or wireless communication mode; the locomotive basic brake control module is connected with the locomotive basic brake device in a wireless communication mode; the locomotive event recording module is used for recording locomotive faults; the first power supply module is used for supplying power to the locomotive main control device; the first power supply module comprises at least one of a first locomotive power supply module and a first storage battery module, and the first locomotive power supply module is electrically connected with a locomotive cable;
the vehicle master control device is provided with a vehicle braking instruction input and output module, a second power supply module, a vehicle event recording module and at least one vehicle foundation braking control module; the vehicle braking instruction input and output module is connected with the vehicle braking signal transmission device in a wireless communication mode; the vehicle foundation brake control module is connected with the vehicle foundation brake device in a wireless communication mode; the vehicle event recording module is used for recording vehicle faults; the second power supply module is used for supplying power to the vehicle main control device; the second power supply module comprises at least one of a second locomotive power supply module and a second storage battery module, and the second locomotive power supply module is electrically connected with a locomotive cable.
In an exemplary embodiment of the present application, the first power supply module includes at least one first locomotive power supply module and at least one first battery module, and the first locomotive power supply module supplies power to the locomotive master control device after the power of the first battery module is exhausted;
the second power supply module comprises at least one second locomotive power supply module and at least one second storage battery module, and the second locomotive power supply module supplies power to the vehicle main control device after the electric quantity of the second storage battery module is exhausted.
In an exemplary embodiment of the present application, the locomotive foundation brake control module and the locomotive foundation brake device are provided in a plurality and equal number; each locomotive basic brake control module independently controls one locomotive basic brake device; each locomotive basic braking device comprises two locomotive brakes which are respectively positioned at two ends of a locomotive axle;
the vehicle foundation brake control module and the vehicle foundation brake device are arranged in plurality and equal in number; each vehicle foundation brake control module independently controls one vehicle foundation brake device; wherein each vehicle foundation brake device comprises two vehicle brakes which are respectively positioned at two ends of a vehicle axle.
In an exemplary embodiment of the present application, each of the locomotive brakes in each of the locomotive foundation brake devices is electrically connected to a locomotive cable, and/or each of the locomotive foundation brake devices further includes a third battery module for supplying power to the locomotive brake;
each vehicle brake of each vehicle foundation brake device is electrically connected with a vehicle cable, and/or each vehicle foundation brake device further comprises a fourth storage battery module for supplying power to the vehicle brake.
In an exemplary embodiment of the present application, the plurality of locomotive brakes includes a locomotive active brake and a locomotive passive brake;
the plurality of vehicle brakes includes a vehicle active brake and a vehicle passive brake.
In an exemplary embodiment of the present application, the locomotive master control device further has a wireless remote control and diagnosis module, a communication module, at least one speed sensor connected with the speed signal input module through a wired communication manner by the speed signal input module;
the wireless remote control and diagnosis module is used for sending real-time locomotive operation data to a ground train remote monitoring and diagnosis system and receiving an instruction signal sent by the ground train remote monitoring and diagnosis system;
the communication module is connected with the locomotive control and monitoring device in a wired communication mode and comprises a control local area network communication module or a multifunctional vehicle bus communication module;
the speed sensor is used for detecting a speed signal of a locomotive axle and sending the speed signal to the speed signal input module;
and the locomotive master control device adjusts the braking force according to the speed signal received by the speed signal input module.
In an exemplary embodiment of the present application, when the vehicle master control device fails, the locomotive master control device may define a vehicle corresponding to the vehicle master control device as a closed vehicle, and increase braking force to other vehicles.
A second aspect of the present application provides a train comprising a locomotive, at least one vehicle removably coupled to the locomotive, and the brake system of any of the above, the brake system comprising a locomotive brake system for the locomotive and a vehicle brake system for the vehicle.
The technical scheme provided by the application can achieve the following beneficial effects:
according to the train braking system and the train, a display screen, a vehicle braking signal transmission device, a braking controller and a locomotive basic braking device in the locomotive braking system are all in wireless communication with a locomotive master control device; and the vehicle main control device is connected with the vehicle braking signal transmission device in a wireless communication mode, and the vehicle basic braking device is connected with the vehicle main control device in a wireless communication mode, so that the arrangement of pipelines or cables in the braking system can be reduced, the condition of braking faults caused by poor connection of the pipelines and the cables can be relieved, and the safety and the reliability of the braking system are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a block diagram illustrating a train brake system according to an embodiment of the present application;
fig. 2 is a block diagram illustrating a structure of a locomotive brake system in the train brake system according to an embodiment of the present application;
fig. 3 is a block diagram illustrating a structure of a vehicle brake system in the train brake system according to an embodiment of the present invention.
Description of reference numerals:
1. a locomotive braking system; 10. a locomotive master control device; 101. the locomotive braking instruction input and output module; 102. a first locomotive power supply module; 103. a first battery module; 104. a locomotive event recording module; 105. a locomotive foundation brake control module; 106. a wireless remote control and diagnostic module; 107. a communication module; 108. a speed signal input module; 109. a speed sensor; 11. a display screen; 12. a vehicle brake signal transmission device; 13. a brake controller; 14. a locomotive foundation brake device; 140. a locomotive brake; 141. a third battery module; 15. locomotive control and monitoring devices;
2. a vehicle braking system; 20. a vehicle master control device; 201. the vehicle braking instruction input and output module; 202. a second locomotive power supply module; 203. a second battery module; 204. a vehicle event recording module; 205. a vehicle foundation brake control module; 21. a vehicle foundation brake device; 210. a vehicle brake; 211. a fourth battery module;
3. locomotive cables.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments 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, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.
The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first" and "second", etc. are used merely as labels, and are not limiting on the number of their objects.
The embodiment of the application provides a braking system for a train, wherein the train can be a railway train, but is not limited to the railway train, and can also be a road train; in particular, the train may include a locomotive and at least one vehicle removably connected to the locomotive, it being understood that the locomotive may be a locomotive of the train, primarily for towing or pushing the vehicle for operation; the vehicle can be a carriage of a train and is mainly used for carrying cargo or carrying people; the vehicle may be provided in plurality, one of the plurality of vehicles being detachably connected to the locomotive, the remaining vehicles being detachably connected one to another. While the brake system may include a locomotive brake system 1 for a locomotive and a vehicle brake system 2 for a vehicle, as shown in fig. 1, it should be noted that each vehicle has a corresponding vehicle brake system 2.
As shown in fig. 1, the locomotive braking system 1 may include a locomotive master Control Unit (BCU) 10, a vehicle braking signal transmission device 12 connected to the locomotive master Control Unit 10 in a wireless communication manner, at least one brake controller 13, and at least one locomotive foundation braking device 14; the locomotive braking system 1 may further include a display screen 11 connected to the locomotive master control device 10 in a wireless communication manner; the display screen 11 can receive and display the information of the locomotive master control device 10; in addition, the train driver can also carry out man-machine interaction through the display screen 11 (namely, the train driver can touch the display screen 11) to set the number of connected vehicles, the traction tonnage and fault information prompt and query; the vehicle braking system 2 may include a vehicle master control device 20 and at least one vehicle foundation braking device 21 connected to the vehicle master control device 20 in a wireless communication manner, and the vehicle master control device 20 may be the vehicle master control device 20 connected to the vehicle braking signal transmission device 12 in a wireless communication manner, and the vehicle master control device 20 may be capable of receiving a braking signal sent from the locomotive master control device 10 or feeding back a braking condition to the locomotive master control device 10 through the vehicle braking signal transmission device 12.
In the embodiment of the application, the display screen 11, the vehicle brake signal transmission device 12, the brake controller 13 and the locomotive basic brake device 14 in the locomotive brake system 1 are all in wireless communication with the locomotive master control device 10; compared with the air brake, the hydraulic brake and the electromechanical brake in the prior art, the arrangement of pipelines or cables in the brake system can be reduced, so that the condition of brake failure caused by poor connection of the pipelines and the cables can be relieved, and the safety and the reliability of the brake system are improved; in addition, train braking components can be simplified in a large range, the installation and maintenance are more convenient, the response speed of a braking system is increased, and the braking efficiency and the train synchronism are increased; and the application range of the train is expanded.
It should be noted that, in the embodiment of the present application, when the brake controller 13 is operated to perform braking, the locomotive master control device 10 may generate a basic braking force signal according to the received position signal of the brake handle in the brake controller 13, and control the corresponding locomotive basic brake device 14 to brake according to the basic braking force signal; meanwhile, the locomotive master control device 10 transmits the basic braking force signal to the vehicle master control device 20 through the vehicle braking signal transmission device 12, and the vehicle master control device 20 controls the vehicle basic braking device 21 corresponding to the basic braking force signal to brake according to the basic braking force signal.
It should be understood that the locomotive master control device 10 and the vehicle master control device 20 can control not only the braking of the locomotive basic brake device 14 and the vehicle basic brake device 21, but also the mitigation of the locomotive basic brake device 14 and the vehicle basic brake device 21; in particular according to the signals it receives. And the locomotive basic brake device 14 and the vehicle basic brake device 21 execute braking or relieve requirements according to the received braking force signal commands and can output braking force values according to the requirements. The position of the brake handle in the brake controller 13 is consistent with that of the existing locomotive, so that the operation of a driver is facilitated.
In addition, it should be understood that the foundation brake device mentioned in the embodiments of the present application refers to a device composed of a transmission part (also including a brake shoe slack adjuster) from the brake cylinder piston push rod to the brake shoe and a series of levers, pull rods, brake beams, etc. therebetween in the rolling stock brake device, namely: the foundation brake assembly may be a mechanical brake as a whole.
When the vehicle main control device 20 fails, the locomotive main control device 10 may further define the vehicle corresponding to the vehicle main control device 20 as a closed vehicle, and increase braking force for other vehicles to ensure reliability of train braking.
In an embodiment of the present application, the locomotive brake system 1 may include not only the aforementioned mechanical brake, but also an electric brake; under the condition that the electric brake is normal, the locomotive brake system 1 preferentially adopts the electric brake; specifically, as shown in fig. 2, the locomotive brake System 1 may further include a locomotive Control and Management System (TCMS) 15, and the locomotive Control and monitoring device 15 may be connected to the locomotive master Control device 10; under the condition that the electric brake is normal, when the brake controller 13 is operated to brake, the locomotive main control device 10 sends a corresponding electric brake force percentage request signal to the locomotive control and monitoring device 15 according to the received position signal of the brake handle in the brake controller 13; the locomotive control and monitoring device 15 receives the electric braking force percentage request signal to control the regenerative braking of the locomotive motor and output the corresponding electric braking force to realize the braking; when the electric brake fails, namely: when the locomotive master control device 10 receives the electric brake fault signal sent by the locomotive control and monitoring device 15, the locomotive master control device 10 controls the locomotive basic brake device 14 corresponding to the locomotive master control device to brake according to the basic brake force signal.
In an embodiment of the present application, as shown in fig. 2, the locomotive master control device 10 may have a locomotive brake command input output module 101, a locomotive event recording module 104, a first power supply module, and at least one locomotive foundation brake control module 105; detailed description:
the locomotive braking instruction input/output module 101 can be connected with the braking controller 13 in a wireless communication mode and connected with the locomotive control and monitoring device 15 in a wired and/or wireless communication mode; when the brake controller 13 is operated to brake, the locomotive brake command input and output module 101 can receive a position signal of a brake handle in the brake controller 13; and the locomotive brake command input/output module 101 may communicate signals with the locomotive control and monitoring device 15, which may include no brake system fault, no brake system warning, brake release, and brake application.
The locomotive foundation brake control module 105 may be connected with the locomotive foundation brake device 14 in a wireless communication manner; when the locomotive brake command input and output module 101 receives the position signal of the brake handle, the locomotive basic brake device 14 is controlled to brake or release through the corresponding locomotive basic brake control module 105.
The locomotive event recording module 104 is used for recording locomotive faults, and is convenient to call during locomotive overhaul and maintenance.
The first power supply module is used for supplying power to the locomotive main control device 10; the first power supply module may include at least one of a first locomotive power supply module 102 and a first battery module 103, the first locomotive power supply module 102 being electrically connected to the locomotive cable 3; that is, the locomotive master control device 10 may be completely powered by the locomotive cable 3, may also be completely powered by the storage battery, and may also be a mutual redundant power supply mode adopted by both the locomotive cable 3 and the storage battery.
Preferably, the locomotive master control device 10 may adopt a mutual redundant power supply mode for both the locomotive cable 3 and the storage battery, that is: the first power supply module may include at least one first locomotive power supply module 102 and at least one first battery module 103 to improve reliability of the brake system; further, the first locomotive power supply module 102 in the locomotive master control device 10 may be provided with two paths, which are redundant to each other.
It should be noted that the first locomotive power supply module 102 of the locomotive master control device 10 supplies power to the locomotive master control device 10 after the electric quantity of the first storage battery module 103 is exhausted, that is, the locomotive master control device 10 preferentially adopts a storage battery for supplying power, and the locomotive cable 3 is used for supplying power after the electric quantity of the storage battery is exhausted or damaged; therefore, the condition that the braking is influenced by poor contact of the cable can be avoided; but not limited to this, also can supply power earlier locomotive cable 3, after locomotive cable 3 accident outage, adopt the battery as stand-by power supply to supply power, improve braking system security, reliability.
Further, it should be understood that the number of the first locomotive power supply module 102 and the first battery module 103 is not limited to the number shown in fig. 2, but may be more, as the case may be. And the first battery module 103 may be disposed inside the locomotive main control device 10 or may be disposed outside, as the case may be.
The number of the locomotive basic brake control module 105 and the number of the locomotive basic brake devices 14 can be equal; each locomotive foundation brake control module 105 independently controls only one locomotive foundation brake device 14, that is, each locomotive foundation brake device 14 is independently controlled from each other; wherein each locomotive foundation brake device 14 may include two locomotive brakes 140, the two locomotive brakes 140 being respectively located at two ends of an axle of the locomotive, the two locomotive brakes 140 being respectively defined as a left locomotive brake and a right locomotive brake. Since each locomotive basic brake device 14 is independently controlled, the redundancy of the braking force is extremely high, and the axle control to wheel control is possible, it should be understood that the axle control is the braking of each locomotive axle; "wheel control" is the braking of each locomotive wheel.
Preferably, each locomotive brake 140 of each locomotive foundation brake device 14 is electrically connected to a locomotive cable 3, and/or each locomotive foundation brake device 14 further comprises a third battery module 141 for supplying power to the locomotive brake 140; that is, the locomotive brake 140 may be completely powered by the locomotive cable 3, may also be completely powered by the storage battery, and may also be a mutually redundant power supply mode adopted by both the locomotive cable 3 and the storage battery. Further, the locomotive brake 140 can be a mutual redundant power supply mode adopted by both the locomotive cable 3 and the storage battery, and the locomotive brake 140 can be powered by the storage battery as a standby power supply after the locomotive cable 3 is powered off unexpectedly, so that the safety and reliability of the braking system are improved.
It should be understood that the number of the locomotive foundation brake control module 105 and the locomotive foundation brake device 14 may be the same as the number of the locomotive axles, in case of a four-axle locomotive, the locomotive has four axles, and therefore, as shown in fig. 2, the locomotive foundation brake device 14 should be provided with four, each locomotive foundation brake device 14 corresponding to a locomotive axle; and the locomotive basic control module corresponds to a locomotive basic brake device 14; it should be noted that the number of the locomotive foundation brake control module 105 and the locomotive foundation brake device 14 is not limited to 4 shown in fig. 2, and may be more or less, depending on the number of the locomotive axles. And the number of the third battery modules 141 in each locomotive foundation brake device 14 is not limited to one shown in fig. 2, and may be more; and the third battery module 141 may be located inside or outside the locomotive foundation brake device 14; as the case may be.
Alternatively, the plurality of locomotive brakes 140 may include a locomotive active brake and a locomotive passive brake; the parking brake function of the locomotive is realized by arranging a certain number of passive brakes in the locomotive basic brake device 14 according to the size and actual needs of a line ramp, namely: the passive brake is released when the locomotive runs, the locomotive has no braking force, and once the locomotive is stopped and powered off or is driven to be powered off accidentally, the passive brake automatically applies the maximum braking force to ensure the safety of the train.
In some embodiments of the present application, as shown in fig. 2, the locomotive master control device 10 further has at least one speed sensor 109 connected in wired communication with the wireless remote control and diagnostic module 106, the communication module 107, the speed signal input module 108, and the speed signal input module 108; detailed description:
the wireless remote control and diagnosis module 106 is used for sending real-time locomotive operation data to a ground train remote monitoring and diagnosis system so as to facilitate other workers to master the operation condition of the train brake system in time; the wireless remote control and diagnosis module 106 is also used for receiving command signals sent by the ground train remote monitoring and diagnosis system; the train is controlled to decelerate, and the safety of train operation is improved.
The communication module 107 can be connected with the locomotive control and monitoring device 15 or other communication equipment in a wired communication mode to transmit information; but is not limited to this, and wireless communication may be used. Wherein the communication module 107 includes a Control Area Network (CAN) communication module or a Multifunction Vehicle Bus (MVB) communication module.
The speed sensor 109 is used for detecting a speed signal of a locomotive axle and sending the speed signal to the speed signal input module 108; the locomotive master control device 10 adjusts the magnitude of the braking force according to the speed signal received by the speed signal input module 108, so as to realize closed-loop control. As shown in FIG. 2, the number of speed sensors 109 may correspond to the number of locomotive axles, one for one; for example, four speed sensors 109 may be provided, and each speed sensor 109 is provided at a corresponding axle of a locomotive for detecting the speed of the corresponding axle of the locomotive.
It should be noted that the number of the speed sensors 109 is not limited to 4 shown in fig. 2, and may be more or less, depending on the number of the axles of the locomotive.
In some embodiments of the present application, as shown in fig. 3, the vehicle master control device 20 may have a vehicle braking command input-output module 201, a second power supply module, a vehicle event recording module 204, and at least one vehicle foundation braking control module 205; detailed description:
the vehicle braking instruction input/output module 201 is connected with the vehicle braking signal transmission device 12 in a wireless communication mode; the locomotive master control device 10 transmits a basic braking force signal to the vehicle braking command input and output module 201 through the vehicle braking signal transmission device 12;
the vehicle foundation brake control module 205 is connected with the vehicle foundation brake device 21 in a wireless communication mode; when the vehicle braking command input/output module 201 receives the basic braking force signal transmitted from the locomotive master control device 10, the vehicle basic braking control module 205 may control the corresponding vehicle basic braking device 21 to brake or release according to the basic braking force signal. It should be noted that the vehicle brake command input/output module 201 may not only transmit signals such as brake release and brake application with the locomotive master control device 10, but also transmit signals such as no brake system failure and no brake system warning.
The vehicle event recording module 204 is used for recording vehicle faults and is convenient to call during vehicle maintenance and repair.
The second power supply module is used for supplying power to the vehicle main control device 20; this second power module may include at least one of a second locomotive power module 202 and a second battery module 203, the second locomotive power module 202 being electrically connected to the locomotive cable 3. That is, the vehicle main control device 20 may be completely powered by the locomotive cable 3, may also be completely powered by the storage battery, and may also be a mutual redundant power supply mode adopted by both the locomotive cable 3 and the storage battery.
Preferably, the vehicle main control device 20 can adopt a mutual redundant power supply mode for both the locomotive cable 3 and the storage battery, namely: the second power module may include at least one second locomotive power module 202 and at least one second battery module 203 to improve reliability of the braking system.
It should be noted that the second locomotive power supply module 202 of the vehicle main control device 20 supplies power to the vehicle main control device 20 after the electric quantity of the second storage battery module 203 is exhausted, that is, the vehicle main control device 20 preferentially adopts the storage battery for supplying power, and the locomotive cable 3 is used for supplying power after the electric quantity of the storage battery is exhausted or damaged; therefore, the condition that the braking is influenced by poor contact of the cable can be avoided; but not limited to this, also can supply power earlier locomotive cable 3, after locomotive cable 3 accident outage, adopt the battery as stand-by power supply to supply power, improve braking system security, reliability.
Further, it should be understood that the number of the second locomotive power supply module 202 and the second battery module 203 is not limited to the one shown in fig. 3, but may be more, as the case may be. And the second battery module 203 may be disposed inside the locomotive main control device 10 or may be disposed outside, as the case may be.
The number of the vehicle foundation brake control modules 205 and the number of the vehicle foundation brake devices 21 can be equal; each vehicle foundation brake control module 205 independently controls only one vehicle foundation brake device 21; that is, each of the vehicle foundation brake devices 21 is controlled independently of each other; wherein, each vehicle foundation braking device 21 may include two vehicle brakes 210, the two vehicle brakes 210 are respectively located at two ends of a vehicle axle, the two vehicle brakes 210 are respectively located at two ends of the vehicle axle, and the two vehicle brakes 210 may be respectively defined as a left-side vehicle brake and a right-side vehicle brake. Since each vehicle foundation brake device 21 is controlled independently, the redundancy of the braking force is extremely high, and the 'axle control' to the 'wheel control' is possible, and the 'axle control' is to be understood as braking on each vehicle axle; "wheel control" is the braking of each vehicle wheel.
Preferably, each vehicle brake 210 of each vehicle foundation brake device 21 is electrically connected to a vehicle cable, and/or each vehicle foundation brake device 21 further comprises a fourth battery module 211 for supplying power to the vehicle brake 210; that is, the vehicle brake 210 may be completely powered by the locomotive cable 3, may also be completely powered by the storage battery, and may also be a mutually redundant power supply mode adopted by both the locomotive cable 3 and the storage battery. Further, the vehicle brake 210 can be a mutual redundant power supply mode adopted by both the locomotive cable 3 and the storage battery, and the vehicle brake 210 can be powered by the storage battery as a standby power supply after the locomotive cable 3 is powered off accidentally, so that the safety and reliability of the brake system are improved.
It should be understood that the number of the vehicle foundation brake control module 205 and the vehicle foundation brake device 21 may be the same as the number of vehicle axles, taking a four-axle vehicle as an example, the vehicle has four axles, therefore, as shown in fig. 3, the vehicle foundation brake device 21 should be provided with four, each vehicle foundation brake device 21 corresponding to one vehicle axle; the vehicle foundation control module corresponds to a vehicle foundation brake device 21; it should be noted that the number of the vehicle foundation brake control module 205 and the vehicle foundation brake device 21 is not limited to 4 shown in fig. 3, and may be more or less, depending on the number of the vehicle axles. And the number of the fourth battery modules 211 in each vehicle foundation brake device 21 is not limited to one shown in fig. 3, and may be more; and the fourth battery module 211 may be located inside or outside the vehicle foundation brake device 21; as the case may be.
Optionally, the plurality of vehicle brakes 210 includes a vehicle active brake and a vehicle passive brake. That is, the vehicle is also provided with a certain number of passive brakes to implement the parking brake function according to the line grade requirement. When a train breaks a hook or emergency braking occurs, the safety circuit between the locomotive and the vehicle is broken, namely: the locomotive passive brake and the vehicle passive brake automatically apply the maximum braking force to ensure the safety of the train. Meanwhile, the locomotive master control device 10 sends an emergency braking instruction, and the whole train applies the maximum emergency braking force.
In an embodiment of the present application, a two-dimensional code may be further added to each locomotive brake 140 and each vehicle brake 210 to facilitate information collection, intelligent maintenance and service management.
In the locomotive braking system 1, the locomotive master control device 10, the display screen 11, the vehicle braking signal transmission device 12, the braking controller 13, and the locomotive foundation braking device 14 all use independent locomotive power supplies or storage batteries for power supply. Note that, in fig. 1 to 3, broken lines for connecting the respective components represent wireless connections, and solid lines represent wired connections.
The embodiment of the application also provides a train which comprises a locomotive, at least one vehicle detachably connected with the locomotive and the brake system described in any one of the above embodiments, wherein the brake system comprises a locomotive brake system 1 for the locomotive and a vehicle brake system 2 for the vehicle.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
Claims (9)
1. A brake system for a train, said train including a locomotive and at least one vehicle removably connected to said locomotive, said brake system comprising a locomotive brake system for said locomotive and a vehicle brake system for said vehicle;
the locomotive brake system comprises a locomotive master control device, a display screen, a vehicle brake signal transmission device, at least one brake controller and at least one locomotive basic brake device, wherein the display screen is connected with the locomotive master control device in a wireless communication mode;
the vehicle braking system comprises a vehicle main control device connected with the vehicle braking signal transmission device in a wireless communication mode and at least one vehicle foundation braking device connected with the vehicle main control device in a wireless communication mode;
when the brake controller is operated to brake, the locomotive master control device generates a basic brake force signal according to a received position signal of a brake handle in the brake controller, and controls the corresponding locomotive basic brake device to brake according to the basic brake force signal; meanwhile, the locomotive master control device transmits the basic braking force signal to the vehicle master control device through the vehicle braking signal transmission device, and the vehicle master control device controls the vehicle basic braking device corresponding to the basic braking force signal to brake according to the basic braking force signal;
the display screen can receive and display information of the locomotive master control device;
the locomotive braking system also comprises a locomotive control and monitoring device which is in communication connection with the locomotive master control device;
when the brake controller is operated to brake, the locomotive master control device sends a corresponding electric brake force percentage request signal to the locomotive control and monitoring device according to the received position signal of the brake handle in the brake controller; the locomotive control and monitoring device receives the electric braking force percentage request signal to control the regenerative braking of the locomotive motor and output corresponding electric braking force; when the locomotive master control device receives an electric brake fault signal sent by the locomotive control and monitoring device, the locomotive master control device controls the corresponding locomotive basic brake device to brake according to the basic brake force signal.
2. The braking system of claim 1,
the locomotive master control device is provided with a locomotive braking instruction input and output module, a locomotive event recording module, a first power supply module and at least one locomotive basic braking control module; the locomotive braking command input and output module is connected with the braking controller in a wireless communication mode and is connected with the locomotive control and monitoring device in a wired and/or wireless communication mode; the locomotive basic brake control module is connected with the locomotive basic brake device in a wireless communication mode; the locomotive event recording module is used for recording locomotive faults; the first power supply module is used for supplying power to the locomotive main control device; the first power supply module comprises at least one of a first locomotive power supply module and a first storage battery module, and the first locomotive power supply module is electrically connected with a locomotive cable;
the vehicle master control device is provided with a vehicle braking instruction input and output module, a second power supply module, a vehicle event recording module and at least one vehicle foundation braking control module; the vehicle braking instruction input and output module is connected with the vehicle braking signal transmission device in a wireless communication mode; the vehicle foundation brake control module is connected with the vehicle foundation brake device in a wireless communication mode; the vehicle event recording module is used for recording vehicle faults; the second power supply module is used for supplying power to the vehicle main control device; the second power supply module comprises at least one of a second locomotive power supply module and a second storage battery module, and the second locomotive power supply module is electrically connected with a locomotive cable.
3. The braking system of claim 2,
the first power supply module comprises at least one first locomotive power supply module and at least one first storage battery module, and the first locomotive power supply module supplies power to the locomotive master control device after the electric quantity of the first storage battery module is exhausted;
the second power supply module comprises at least one second locomotive power supply module and at least one second storage battery module, and the second locomotive power supply module supplies power to the vehicle main control device after the electric quantity of the second storage battery module is exhausted.
4. The braking system of claim 1,
the locomotive basic brake control module and the locomotive basic brake device are provided in plurality and equal in number; each locomotive basic brake control module independently controls one locomotive basic brake device; each locomotive basic braking device comprises two locomotive brakes which are respectively positioned at two ends of a locomotive axle;
the vehicle foundation brake control module and the vehicle foundation brake device are arranged in plurality and equal in number; each vehicle foundation brake control module independently controls one vehicle foundation brake device; wherein each vehicle foundation brake device comprises two vehicle brakes which are respectively positioned at two ends of a vehicle axle.
5. The braking system of claim 4,
each locomotive brake in each locomotive foundation brake device is electrically connected with a locomotive cable, and/or each locomotive foundation brake device further comprises a third storage battery module for supplying power to the locomotive brake;
each vehicle brake of each vehicle foundation brake device is electrically connected with a vehicle cable, and/or each vehicle foundation brake device further comprises a fourth storage battery module for supplying power to the vehicle brake.
6. The braking system of claim 4,
the plurality of locomotive brakes comprise a locomotive active brake and a locomotive passive brake;
the plurality of vehicle brakes includes a vehicle active brake and a vehicle passive brake.
7. The braking system of any one of claims 2 to 6, wherein the locomotive master control device further has a wireless remote control and diagnostic module, a communication module, at least one speed sensor with a speed signal input module connected in wired communication with the speed signal input module;
the wireless remote control and diagnosis module is used for sending real-time locomotive operation data to a ground train remote monitoring and diagnosis system and receiving an instruction signal sent by the ground train remote monitoring and diagnosis system;
the communication module is connected with the locomotive control and monitoring device in a wired communication mode and comprises a control local area network communication module or a multifunctional vehicle bus communication module;
the speed sensor is used for detecting a speed signal of a locomotive axle and sending the speed signal to the speed signal input module;
and the locomotive master control device adjusts the braking force according to the speed signal received by the speed signal input module.
8. The brake system according to any one of claims 1 to 6, wherein the locomotive master control device is capable of defining a vehicle corresponding to the vehicle master control device as a door closing vehicle and increasing the braking force to other vehicles when the vehicle master control device fails.
9. A train comprising a locomotive, at least one vehicle removably connected to the locomotive, and the braking system of any of claims 1 to 8, the braking system comprising a locomotive braking system for the locomotive and a vehicle braking system for the vehicle.
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| CN202010750533.7A CN111824094B (en) | 2020-07-30 | 2020-07-30 | Braking system for train and train |
| PCT/CN2020/125502 WO2022021646A1 (en) | 2020-07-30 | 2020-10-30 | Braking system train and train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010750533.7A CN111824094B (en) | 2020-07-30 | 2020-07-30 | Braking system for train and train |
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| CN113060112B (en) * | 2021-03-10 | 2022-03-08 | 交控科技股份有限公司 | Safe backup braking system and method for on-track brake control |
| CN114261381A (en) * | 2021-12-30 | 2022-04-01 | 国能铁路装备有限责任公司 | Railway wagon braking system |
| CN114162103B (en) * | 2021-12-30 | 2022-12-16 | 国能铁路装备有限责任公司 | Electric brake control system and railway vehicle |
| CN114179774A (en) * | 2021-12-30 | 2022-03-15 | 国能铁路装备有限责任公司 | Railway wagon braking system |
| CN114162104B (en) * | 2021-12-30 | 2022-11-08 | 国能铁路装备有限责任公司 | Railway wagon braking system |
| CN115140104B (en) * | 2022-08-12 | 2024-05-17 | 中车大同电力机车有限公司 | Hydrogen fuel cell hybrid power locomotive consist |
| CN115782931B (en) * | 2022-11-14 | 2024-05-24 | 中车制动系统有限公司 | Multi-axis locomotive brake information display control method and system |
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