CN112196398B - Traction circuit of railway vehicle, control method of traction circuit and railway vehicle - Google Patents

Traction circuit of railway vehicle, control method of traction circuit and railway vehicle Download PDF

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Publication number
CN112196398B
CN112196398B CN202011057057.7A CN202011057057A CN112196398B CN 112196398 B CN112196398 B CN 112196398B CN 202011057057 A CN202011057057 A CN 202011057057A CN 112196398 B CN112196398 B CN 112196398B
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China
Prior art keywords
relay
branch
traction
vehicle
circuit
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CN202011057057.7A
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Chinese (zh)
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CN112196398A (en
Inventor
陶桂东
白璐
邢孟哲
于海然
刘江涛
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CRRC Qingdao Sifang Co Ltd
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CRRC Qingdao Sifang Co Ltd
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Priority to CN202011057057.7A priority Critical patent/CN112196398B/en
Publication of CN112196398A publication Critical patent/CN112196398A/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/71—Power-operated mechanisms for wings with automatic actuation responsive to temperature changes, rain, wind or noise
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/51—Application of doors, windows, wings or fittings thereof for vehicles for railway cars or mass transit vehicles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The application provides a traction circuit of a railway vehicle, a control method of the traction circuit and the railway vehicle. The circuit includes: a first branch circuit including a plurality of gate internal switching units and an input part of a first relay connected in series; the second branch circuit comprises a first isolating switch, an output part of a first relay and an input part of a second relay; the third branch comprises an output part of the second relay; and the traction unit is used for drawing the rail vehicle to run in an electrified state. In the circuit, when the door is required to be opened in the running process of the railway vehicle, the first isolating switch can be controlled to be closed, so that the input part of the second relay is electrified, the output part of the second relay is electrified and closed, the traction unit is electrified, and the railway vehicle can be dragged to run. The circuit structure can enable the rail vehicle to operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.

Description

Traction circuit of railway vehicle, control method of traction circuit and railway vehicle
Technical Field
The application relates to the technical field of rail transit, in particular to a traction circuit of a rail vehicle, a control method of the traction circuit, a traction system of the rail vehicle and the rail vehicle.
Background
Before the rail vehicle runs, all doors must be closed to protect the safety of passengers, and a traction system can only run, which is a strategy for safe running of the rail vehicle.
However, in the actual operation process of the rail vehicle, sometimes the doors of the compartment of the rail vehicle need to be opened in operation, but if the doors are opened, normal rail vehicle traction cannot be realized, that is, the rail vehicle cannot operate.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The application mainly aims to provide a traction circuit of a railway vehicle, a control method of the traction circuit, a traction system of the railway vehicle and the railway vehicle, so as to solve the problem that a door of the railway vehicle cannot be opened in the running process in the prior art.
According to an aspect of an embodiment of the present invention, there is provided a traction circuit of a rail vehicle, including: the first branch circuit is electrically connected with a vehicle power bus and comprises a plurality of door internal switch units and an input part of a first relay, wherein the door internal switch units are connected in series, are positioned on each vehicle door in a one-to-one correspondence manner, and are closed when the corresponding vehicle door is closed; at least one second branch electrically connected to the vehicle power bus, the second branch including a first isolation switch, an output of the first relay, and an input of a second relay, the first isolation switch being connected in parallel with the output of the first relay, the first isolation switch being connected in series with the input of the second relay; at least one third branch circuit, one end of which is electrically connected with the vehicle power bus, wherein the third branch circuit comprises an output part of the second relay, and the second branch circuit and the third branch circuit are in one-to-one correspondence; and the traction unit is electrically connected with the other end of the third branch circuit and is used for towing the rail vehicle to run in an electrified state.
Optionally, the traction circuit further comprises: a fourth branch electrically connected with the vehicle power bus, the fourth branch including a second isolator switch and an input of a third relay; and one end of the fifth branch is electrically connected with the vehicle power bus, the other end of the fifth branch is electrically connected with the traction unit, and the fifth branch comprises an output part of the third relay.
Optionally, the input of the third relay is a third coil, and the output of the third relay is a third contact.
Optionally, the internal switching unit comprises a plurality of switches connected in series.
Optionally, the input part of the first relay is a first coil, the output part of the first relay is a first contact, the input part of the second relay is a second coil, and the output part of the second relay is a second contact.
Optionally, the rail vehicle includes a plurality of carriages, and one second branch is correspondingly disposed in each carriage.
According to another aspect of the embodiments of the present invention, there is also provided any one of the control methods of a traction circuit, including: determining whether a target car of the rail vehicle satisfies a predetermined condition; and under the condition that the target compartment meets the preset condition, controlling the target door to be opened and controlling the first isolating switch to be closed.
Optionally, the traction circuit further comprises a fourth branch and a fifth branch, wherein the fourth branch is electrically connected with the vehicle power bus, and the fourth branch comprises inputs of a second isolation switch and a third relay; one end of the fifth branch is electrically connected with the vehicle power bus, the other end of the fifth branch is electrically connected with the traction unit, the fifth branch comprises an output part of the third relay, and the control method further comprises the following steps: determining whether all cars of the rail vehicle respectively satisfy the predetermined condition; and under the condition that all the carriages respectively meet the preset conditions, controlling the doors of all the carriages to be opened and controlling the second isolating switch to be closed.
Optionally, the predetermined condition comprises at least one of: the internal air conditioning system has refrigeration faults; the temperature of the interior is greater than the temperature threshold; the concentration of PM2.5 inside is greater than the first predetermined concentration; the concentration of smoke in the interior is greater than the second predetermined concentration.
According to still another aspect of the embodiments of the present invention, there is also provided a traction system of a railway vehicle, including: any of the above described traction circuits; a control device communicatively coupled to the traction circuit, the control device configured to perform any of the control methods.
According to still another aspect of the embodiments of the present invention, there is also provided a rail vehicle including: a rail vehicle body including a plurality of cars; and the traction system is positioned in the railway vehicle body and is the traction system.
Optionally, the rail vehicle further comprises: and the environment detection equipment is positioned in the carriage and used for detecting the environmental parameters in the carriage.
Optionally, the environment detection devices are multiple and arranged in the compartment in a one-to-one correspondence.
Optionally, the environment detection device comprises at least one of: PM2.5 dust concentration sensor, temperature sensor, smoke transducer.
In the embodiment of the invention, the traction device comprises a first branch, at least one second branch, at least one third branch and a traction unit, under normal conditions, a vehicle door of a vehicle is in a closed state, an input part of a first relay is electrified, an output part of the first relay is electrified and closed, an input part of a second relay is electrified and closed, an output part of the second relay is electrified and closed, so that the traction unit can be electrified, and the railway vehicle can be further dragged to run. When the door is required to be opened in the running process of the railway vehicle for some reasons (such as overhigh internal temperature and incapability of quickly cooling an air conditioner), the first isolating switch can be controlled to be closed, so that the input part of the second relay is electrified, the output part of the second relay is electrified and closed, the traction unit is electrified, and the railway vehicle can be dragged to run. The circuit structure can enable the rail vehicle to operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 shows a schematic structural diagram of a traction circuit of a rail vehicle according to an embodiment of the application;
FIG. 2 illustrates a flow diagram of a method of controlling a traction circuit in accordance with an embodiment of the present application; and
fig. 3 shows a schematic structural diagram of a control device of a traction circuit according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a vehicle power bus; 20. an internal switch unit; 30. an input part of the first relay; 40. a first isolation switch; 50. an output part of the first relay; 60. an input part of the second relay; 70. an output part of the second relay; 80. a traction unit; 90. a second isolation switch; 100. an input part of a third relay; 110. an output part of the third relay; 120. a wiring switch panel.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As mentioned in the background of the invention, in order to solve the above problem, in the prior art, a rail vehicle cannot open a door during operation, in an exemplary embodiment of the present application, a traction circuit of a rail vehicle, a control method of the traction circuit, a traction system of the rail vehicle, and the rail vehicle are provided.
According to an embodiment of the present application, a traction circuit for a rail vehicle is provided. Fig. 1 is a block diagram of a traction circuit of a rail vehicle according to an embodiment of the present application. As shown in fig. 1, the circuit includes:
a first branch electrically connected to a vehicle power bus 10, the first branch including a plurality of door interior switch units 20 and an input part 30 of a first relay connected in series, wherein the door interior switch units 20 are located on the respective doors in a one-to-one correspondence, and are closed when the corresponding doors are closed;
at least one second branch electrically connected to the vehicle power bus 10, the second branch including a first isolation switch 40, an output 50 of the first relay, and an input 60 of a second relay, the first isolation switch 40 being connected in parallel with the output 50 of the first relay, the first isolation switch 40 being connected in series with the input 60 of the second relay;
at least one third branch having one end electrically connected to the vehicle power bus 10, the third branch including an output portion 70 of the second relay, the second branch and the third branch corresponding one to one;
and a traction unit 80 electrically connected to the other end of the third branch, wherein the traction unit 80 draws the rail vehicle to run in an electrified state.
In the above circuit, the first branch circuit, the at least one second branch circuit, the at least one third branch circuit and the traction unit 80 are included, under normal conditions, the door of the vehicle is in a closed state, the input part 30 of the first relay is powered, the output part 50 of the first relay is powered and closed, the input part 60 of the second relay is powered, the output part 70 of the second relay is powered and closed, so that the traction unit 80 is powered, and the rail vehicle can be dragged to run. When the vehicle door is required to be opened in the running process of the railway vehicle for some reasons (such as the internal temperature is too high, and the air conditioner cannot be cooled down quickly), the first isolating switch 40 can be controlled to be closed, so that the input part 60 of the second relay is powered on, the output part 70 of the second relay is powered on and closed, the traction unit 80 can be powered on, and the railway vehicle can be pulled to run. The circuit structure can enable the rail vehicle to operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.
It should be noted that the traction Unit may be an automatic Transmission Control Unit (TCU), the traction Unit may be located at the bottom of the rail vehicle, or may be another traction Unit, and a person skilled in the art may select an appropriate traction Unit according to actual conditions.
In an embodiment of the present application, as shown in fig. 1, the above-mentioned traction circuit further includes: a fourth branch electrically connected to the vehicle power bus 10, the fourth branch including a second isolation switch 90 and an input portion 100 of a third relay; and a fifth branch having one end electrically connected to the vehicle power bus 10 and the other end electrically connected to the traction unit 80, the fifth branch including an output part 110 of the third relay. In this embodiment, the fourth branch may be located in a head car of the rail vehicle, and may also be located in a tail car of the rail vehicle, and when doors of all cars of the rail vehicle need to be opened simultaneously for operation, a driver may operate the second isolating switch 90 of the head car or the tail car, and the second isolating switch 90 is closed, so that the input portion 100 of the third relay of the whole rail vehicle is powered on, the output portion 110 of the third relay is powered on and closed, so that the traction unit is powered on, and further, the rail vehicle may be further pulled to operate to open the doors of all cars.
As shown in fig. 1, the circuit further includes three connection pads 120, the first connection pad 120 is electrically connected to the input 30 of the first relay, the second connection pad 120 is electrically connected to the input 60 of the second relay, the third connection pad 120 is electrically connected to the input 100 of the third relay, and the connection pads are actually connected to the negative pole of the power supply.
In still another embodiment of the present invention, the input portion of the third relay is a third coil, and the output portion of the third relay is a third contact. In this embodiment, the input part of the third relay is a third coil, the output part of the third relay is a third contact, the third coil is powered on or powered off, and the third contact is closed or opened, so that the fourth branch and the fifth branch can be more efficiently controlled to be powered on or powered off.
In another embodiment of the present application, the internal switch unit includes a plurality of switches connected in series, and in this embodiment, the plurality of switches connected in series may be two switches, which are respectively the first switch and the second switch, and may also be a plurality of switches, and the opening of the vehicle door may be further controlled more efficiently by the plurality of switches.
In another embodiment of the present invention, the input portion of the first relay is a first coil, the output portion of the first relay is a first contact, the input portion of the second relay is a second coil, and the output portion of the second relay is a second contact. In this embodiment, the input part of the first relay is a first coil, the output part of the first relay is a first contact, the input part of the second relay is a second coil, the output part of the second relay is a second contact, the first coil and the second coil are powered on or powered off, the first contact and the second contact are powered on or powered off, and the first branch circuit, the second branch circuit and the third branch circuit can be more efficiently controlled to be powered on or powered off.
In yet another embodiment of the present application, the rail vehicle includes a plurality of cars, and each of the cars is provided with one of the second branches. In this embodiment, set up a second branch road respectively in a plurality of carriages, when the driver is in one of them carriage, can need not to go to the head car and in the tail car, only can operate in the carriage that locates at present, for example, there is a control button current carriage inside, and the driver presses control button, and second isolator is closed, can control the traction unit of current carriage and get electric, and then can pull current carriage operation.
According to an embodiment of the present application, there is provided a control method of a traction circuit. Fig. 2 is a flowchart of a control method of a traction circuit according to an embodiment of the present application. As shown in fig. 2, the method comprises the steps of:
step S101, determining whether a target compartment of a rail vehicle meets a preset condition;
and step S102, controlling the opening of the target vehicle door and controlling the closing of the first isolating switch when the target vehicle compartment meets the preset condition.
In the method, firstly, whether a target compartment of the railway vehicle meets a preset condition is determined, and then, under the condition that the target compartment meets the preset condition, the target door is controlled to be opened, and the first isolating switch is controlled to be closed. According to the method, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the railway vehicle car compartment corresponding to the target car compartment can be controlled to operate in a traction mode, so that the railway vehicle can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the railway vehicle in the prior art is solved.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In an embodiment of the present application, the traction circuit further includes a fourth branch and a fifth branch, wherein the fourth branch is electrically connected to the vehicle power bus, and the fourth branch includes a second isolating switch and an input portion of a third relay; one end of the fifth branch is electrically connected to the vehicle power bus, and the other end of the fifth branch is electrically connected to the traction unit, the fifth branch includes an output portion of the third relay, and the control method further includes: determining whether all cars of the rail vehicle respectively satisfy the predetermined condition; and controlling the doors of all the carriages to be opened and the second isolating switches to be closed when all the carriages respectively meet the preset conditions. In the embodiment, the doors of all the carriages can be controlled to be opened by determining that all the carriages meet the preset condition, the second isolating switch can be controlled to be closed, and further all the carriages can be controlled to carry out traction operation, so that the doors of all the carriages can be further opened in the running process of the railway vehicle.
In yet another embodiment of the present application, the predetermined condition includes at least one of: the internal air conditioning system has refrigeration faults; the temperature of the interior is greater than the temperature threshold; the concentration of PM2.5 inside is greater than the first predetermined concentration; the concentration of smoke in the interior is greater than the second predetermined concentration. In this embodiment, whether the target car of the rail vehicle satisfies the predetermined condition can be determined more accurately, and whether all the cars satisfy the predetermined condition can be determined more accurately.
It should be noted that, when an internal air conditioning System has a refrigeration fault, which may be an air compressor fault, or another equipment fault, fault information may be uploaded to a rail vehicle Control and Management System (TCMS) through a network, and currently, in an actual situation, another equipment fault may also occur.
It should be noted that the temperature threshold may be 30 ℃, 40 ℃ or other temperature thresholds, and when the temperature threshold is reached, the internal temperature value may be uploaded to the TCMS, and those skilled in the art may select an appropriate temperature threshold according to actual situations.
It should be noted that the first predetermined concentration may be 100mg/m3And may be 150mg/m3The internal concentration of PM2.5 may be uploaded to the TCMS for other first predetermined concentrations, and those skilled in the art may select the appropriate first predetermined concentration according to actual circumstances.
It should be noted that the second predetermined concentration may be 8db/m, 20db/m, or other second predetermined concentrations, and the internal smoke concentration may be uploaded to the TCMS, and those skilled in the art may select the appropriate second predetermined concentration according to actual situations.
The embodiment of the present application further provides a control device of a traction circuit, and it should be noted that the control device of the traction circuit of the embodiment of the present application may be used to execute the control method for the traction circuit provided in the embodiment of the present application. The following describes a control device of a traction circuit provided in an embodiment of the present application.
Fig. 3 is a schematic diagram of a control device of a traction circuit according to an embodiment of the present application. As shown in fig. 3, the apparatus includes:
a first determination unit 130 for determining whether a target car of the rail vehicle satisfies a predetermined condition;
and a first control unit 140 configured to control the target door to be opened and control the first disconnector to be closed when the target compartment satisfies the predetermined condition.
In the above apparatus, the first determination unit determines whether a target car of the railway vehicle satisfies a predetermined condition, and the first control unit controls the target door to be opened and the first isolator switch to be closed, in a case where the target car satisfies the predetermined condition. In the device, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail car compartment corresponding to the target car compartment can be controlled to be pulled to operate, so that the rail car can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the rail car in the prior art is solved.
In an embodiment of the present application, the traction circuit further includes a fourth branch and a fifth branch, wherein the fourth branch is electrically connected to the vehicle power bus, and the fourth branch includes a second isolating switch and an input portion of a third relay; one end of the fifth branch is electrically connected with the vehicle power bus, the other end of the fifth branch is electrically connected with the traction unit, the fifth branch comprises an output part of the third relay, and the device further comprises a second determining unit and a second control unit, wherein the second determining unit is used for determining whether all carriages of the railway vehicle respectively meet the preset conditions; and the second control unit is used for controlling the doors of all the carriages to be opened and controlling the second isolating switches to be closed under the condition that all the carriages respectively meet the preset conditions. In the embodiment, the doors of all the carriages can be controlled to be opened by determining that all the carriages meet the preset condition, the second isolating switch can be controlled to be closed, and further all the carriages can be controlled to carry out traction operation, so that the doors of all the carriages can be further opened in the running process of the railway vehicle.
In yet another embodiment of the present application, the predetermined condition includes at least one of: the internal air conditioning system has refrigeration faults; the temperature of the interior is greater than the temperature threshold; the concentration of PM2.5 inside is greater than the first predetermined concentration; the concentration of smoke in the interior is greater than the second predetermined concentration. In this embodiment, whether the target car of the rail vehicle satisfies the predetermined condition can be determined more accurately, and whether all the cars satisfy the predetermined condition can be determined more accurately.
It should be noted that, when an internal air conditioning System has a refrigeration fault, which may be an air compressor fault, or another equipment fault, fault information may be uploaded to a rail vehicle Control and Management System (TCMS) through a network, and currently, in an actual situation, another equipment fault may also occur.
It should be noted that the temperature threshold may be 30 ℃, 40 ℃ or other temperature thresholds, and when the temperature threshold is reached, the internal temperature value may be uploaded to the TCMS, and those skilled in the art may select an appropriate temperature threshold according to actual situations.
It should be noted that the first predetermined concentration may be 100mg/m3And may be 150mg/m3The internal concentration of PM2.5 may be uploaded to the TCMS for other first predetermined concentrations, and those skilled in the art may select the appropriate first predetermined concentration according to actual circumstances.
It should be noted that the second predetermined concentration may be 8db/m, 20db/m, or other second predetermined concentrations, and the internal smoke concentration may be uploaded to the TCMS, and those skilled in the art may select the appropriate second predetermined concentration according to actual situations.
The application also provides a traction system of a railway vehicle, which comprises any one of the traction circuits and a control device, wherein the control device is in communication connection with the traction circuits, and is used for executing any one of the methods.
In the system, due to the adoption of the traction circuit and the control device, the first determination unit determines whether the target compartment of the railway vehicle meets the preset condition, and the first control unit controls the target door to be opened and controls the first isolating switch to be closed under the condition that the target compartment meets the preset condition. In the system, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail car compartment corresponding to the target car compartment can be controlled to be pulled to operate, so that the rail car can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the rail car in the prior art is solved.
The application also provides a rail vehicle, which comprises a rail vehicle body and a traction system, wherein the rail vehicle body comprises a plurality of carriages; the traction system is positioned in the railway vehicle body and is the traction system.
In the railway vehicle, due to the fact that the railway vehicle body and the traction system are arranged, the first determination unit determines whether a target compartment of the railway vehicle meets a preset condition, and the first control unit controls the target door to be opened and controls the first isolating switch to be closed under the condition that the target compartment meets the preset condition. In the rail vehicle, the target vehicle door can be controlled to be opened by determining that the target vehicle compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail vehicle compartment corresponding to the target vehicle compartment can be controlled to be pulled to operate, so that the rail vehicle can operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.
In an embodiment of the present application, the rail vehicle further includes an environment detection device, the environment detection device is located in the compartment, and the environment detection device is configured to detect an environmental parameter in the compartment. In the embodiment, the environment detection equipment can be used for detecting the environment parameters in the carriage, so that whether the environment parameters in the carriage are in normal values or not can be determined through the detected parameters, and the vehicle door can be controlled to be opened in normal operation subsequently, so that the environment in the carriage is adjusted to be in a comfortable state.
In yet another embodiment of the present application, the environment detecting devices are disposed in the vehicle cabin in a one-to-one correspondence. In this embodiment, a plurality of environmental parameters in the carriage can be detected through a plurality of environmental detection devices, and then a plurality of more accurate environmental parameters can be further obtained.
In another embodiment of the present application, the environment detecting device includes at least one of: PM2.5 dust concentration sensor, temperature sensor, smoke transducer. In this embodiment, a plurality of accurate environmental parameters can be further obtained by the above apparatus, and the environmental parameter of PM2.5, the environmental parameter of dust concentration, the environmental parameter of temperature, and the environmental parameter of smoke can be obtained. In a specific embodiment, the environment detection device in one compartment may include the three sensors.
It should be noted that, in practical applications, the environment detection device is not limited to the above-mentioned ones, and may be other environment detection devices, such as a noise monitor or an ultraviolet spectrophotometer, and a person skilled in the art may select an appropriate environment detection device according to practical situations.
The control device of the traction circuit comprises a processor and a memory, the first determining unit, the first control unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. One or more than one inner core can be set, and the door of the railway vehicle can be opened during the operation process by adjusting the parameters of the inner core.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium on which a program is stored, the program implementing the control method of the traction circuit described above when executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the control method of the traction circuit is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, determining whether a target compartment of a rail vehicle meets a preset condition;
and step S102, controlling the opening of the target vehicle door and controlling the closing of the first isolating switch when the target vehicle compartment meets the preset condition.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, determining whether a target compartment of a rail vehicle meets a preset condition;
and step S102, controlling the opening of the target vehicle door and controlling the closing of the first isolating switch when the target vehicle compartment meets the preset condition.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) the utility model provides a rail vehicle's traction circuit, including first branch road, at least one second branch road, at least one third branch road and traction unit, under the normal condition, the door of vehicle is in the closed condition, and the input of first relay gets electric, and the output of first relay gets electric closed, and the input of second relay gets electric, and the output of second relay gets electric closed, can make traction unit get electric, and then can pull rail vehicle operation. When the door is required to be opened in the running process of the railway vehicle for some reasons (such as overhigh internal temperature and incapability of quickly cooling an air conditioner), the first isolating switch can be controlled to be closed, so that the input part of the second relay is electrified, the output part of the second relay is electrified and closed, the traction unit is electrified, and the railway vehicle can be dragged to run. The circuit structure can enable the rail vehicle to operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.
2) The control method of the traction circuit comprises the steps of firstly, determining whether a target compartment of a railway vehicle meets a preset condition, and then controlling a target vehicle door to be opened and controlling a first isolating switch to be closed under the condition that the target compartment meets the preset condition. According to the method, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the railway vehicle car compartment corresponding to the target car compartment can be controlled to operate in a traction mode, so that the railway vehicle can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the railway vehicle in the prior art is solved.
3) The first determining unit determines whether a target compartment of the railway vehicle meets a preset condition, and the first control unit controls a target vehicle door to be opened and controls a first isolating switch to be closed under the condition that the target compartment meets the preset condition. In the device, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail car compartment corresponding to the target car compartment can be controlled to be pulled to operate, so that the rail car can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the rail car in the prior art is solved.
4) The traction system of the railway vehicle is provided with the traction circuit and the control device, so that the first determination unit determines whether a target compartment of the railway vehicle meets a preset condition, and the first control unit controls the target door to be opened and controls the first isolating switch to be closed under the condition that the target compartment meets the preset condition. In the system, the target car door can be controlled to be opened by determining that the target car compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail car compartment corresponding to the target car compartment can be controlled to be pulled to operate, so that the rail car can operate in a state that the car door is opened, and the problem that the car door cannot be opened in the operation process of the rail car in the prior art is solved.
5) The railway vehicle is provided with the railway vehicle body and the traction system, so that the first determination unit determines whether a target compartment of the railway vehicle meets a preset condition, and the first control unit controls the target door to be opened and controls the first isolating switch to be closed under the condition that the target compartment meets the preset condition. In the rail vehicle, the target vehicle door can be controlled to be opened by determining that the target vehicle compartment meets the preset condition, the first isolating switch can be controlled to be closed, and then the rail vehicle compartment corresponding to the target vehicle compartment can be controlled to be pulled to operate, so that the rail vehicle can operate in a state that the vehicle door is opened, and the problem that the vehicle door cannot be opened in the operation process of the rail vehicle in the prior art is solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (14)

1. A traction circuit for a rail vehicle, comprising:
the first branch circuit is electrically connected with a vehicle power bus and comprises a plurality of door internal switch units and an input part of a first relay, wherein the door internal switch units are connected in series, are positioned on each vehicle door in a one-to-one correspondence manner, and are closed when the corresponding vehicle door is closed;
at least one second branch electrically connected to the vehicle power bus, the second branch including a first isolation switch, an output of the first relay, and an input of a second relay, the first isolation switch being connected in parallel with the output of the first relay, the first isolation switch being connected in series with the input of the second relay;
at least one third branch circuit, one end of which is electrically connected with the vehicle power bus, wherein the third branch circuit comprises an output part of the second relay, and the second branch circuit and the third branch circuit are in one-to-one correspondence;
and the traction unit is electrically connected with the other end of the third branch circuit and is used for towing the rail vehicle to run in an electrified state.
2. The pulling circuit of claim 1, further comprising:
a fourth branch electrically connected with the vehicle power bus, the fourth branch including a second isolator switch and an input of a third relay;
and one end of the fifth branch is electrically connected with the vehicle power bus, the other end of the fifth branch is electrically connected with the traction unit, and the fifth branch comprises an output part of the third relay.
3. The traction circuit of claim 2, wherein the input of the third relay is a third coil and the output of the third relay is a third contact.
4. The traction circuit according to any one of claims 1 to 3, wherein the internal switching unit comprises a plurality of switches connected in series.
5. The traction circuit of claim 1, wherein the input of the first relay is a first coil, the output of the first relay is a first contact, the input of the second relay is a second coil, and the output of the second relay is a second contact.
6. The traction circuit according to claim 1, wherein the rail vehicle comprises a plurality of cars, each of the cars having a corresponding one of the second branches disposed therein.
7. A control method of a traction circuit according to any one of claims 1 to 6, characterized by comprising:
determining whether a target car of the rail vehicle satisfies a predetermined condition;
and under the condition that the target compartment meets the preset condition, controlling the target door to be opened and controlling the first isolating switch to be closed.
8. The control method of claim 7, wherein the traction circuit further comprises a fourth branch and a fifth branch, wherein the fourth branch is electrically connected to the vehicle power bus, the fourth branch comprising an input of a second isolation switch and a third relay; one end of the fifth branch is electrically connected with the vehicle power bus, the other end of the fifth branch is electrically connected with the traction unit, the fifth branch comprises an output part of the third relay, and the control method further comprises the following steps:
determining whether all cars of the rail vehicle respectively satisfy the predetermined condition;
and under the condition that all the carriages respectively meet the preset conditions, controlling the doors of all the carriages to be opened and controlling the second isolating switch to be closed.
9. The control method according to claim 7 or 8, characterized in that the predetermined condition includes at least one of:
the internal air conditioning system has refrigeration faults;
the temperature of the interior is greater than the temperature threshold;
the concentration of PM2.5 inside is greater than the first predetermined concentration;
the concentration of smoke in the interior is greater than the second predetermined concentration.
10. A traction system for a rail vehicle, comprising:
the traction circuit of any one of claims 1 to 6;
a control device communicatively coupled to the traction circuit, the control device configured to perform the control method of any of claims 7-9.
11. A rail vehicle, comprising:
a rail vehicle body including a plurality of cars;
a traction system located within the rail vehicle body, the traction system of claim 10.
12. The rail vehicle of claim 11, further comprising:
and the environment detection equipment is positioned in the carriage and used for detecting the environmental parameters in the carriage.
13. The railway vehicle as claimed in claim 12, wherein the environment detection devices are provided in plurality and in one-to-one correspondence in the compartment.
14. The rail vehicle according to claim 12 or 13, characterized in that the environment detection device comprises at least one of the following: PM2.5 dust concentration sensor, temperature sensor, smoke transducer.
CN202011057057.7A 2020-09-29 2020-09-29 Traction circuit of railway vehicle, control method of traction circuit and railway vehicle Active CN112196398B (en)

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