CN114179628A - Method and device for suspension type rail vehicle to pass through turnout dead zone - Google Patents

Method and device for suspension type rail vehicle to pass through turnout dead zone Download PDF

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Publication number
CN114179628A
CN114179628A CN202111511325.2A CN202111511325A CN114179628A CN 114179628 A CN114179628 A CN 114179628A CN 202111511325 A CN202111511325 A CN 202111511325A CN 114179628 A CN114179628 A CN 114179628A
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China
Prior art keywords
traction
vehicle
level
dead zone
braking
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CN202111511325.2A
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Chinese (zh)
Inventor
刘立伟
黄威
王瑶
王驰
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China Railway Engineering Machinery Research and Design Institute Co Ltd
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China Railway Engineering Machinery Research and Design Institute Co Ltd
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Priority to CN202111511325.2A priority Critical patent/CN114179628A/en
Publication of CN114179628A publication Critical patent/CN114179628A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/60—Navigation input
    • B60L2240/62—Vehicle position
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a method and a device for a suspension type rail vehicle to pass through a turnout dead zone, and relates to the technical field of suspension type rail vehicles. The invention discloses a method for a suspension type rail vehicle to pass through a turnout dead zone, which is applied to a direct current supply suspension type rail vehicle and comprises the following steps: before the vehicle passes through a non-electric area, a first-level order is generated and sent to a traction system, so that the traction system can close a traction device and an electric braking device according to the first-level order. According to the technical scheme, the traction device and the electric braking device are closed before the vehicle passes through the dead zone, so that arc discharge caused by the fact that a vehicle with a traction load passes through the dead zone is prevented, braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blocking is caused by overheat protection of a chopper resistor of a traction box, the vehicle cannot be started automatically after passing through the dead zone, and the vehicle can pass through the dead zone smoothly.

Description

Method and device for suspension type rail vehicle to pass through turnout dead zone
Technical Field
The invention relates to the technical field of suspension type rail vehicles, in particular to a method and a device for enabling a suspension type rail vehicle to pass through a turnout junction dead zone.
Background
As a novel traffic system, the suspended rail transit has great difference from the traditional rail transit mode in the basic facility. Track switches come in a variety of forms, such as movable core and translating, and it may be inconvenient to install power rails inside the switch, which results in the suspended railway vehicle having to traverse dead zones. Due to the existence of the dead zone, the suspension type rail vehicle must perform necessary protection actions in the dead zone, so that the large electric arc generated when the suspension type rail vehicle passes through the dead zone is prevented from damaging the current collector and the power supply rail, and meanwhile, the vehicle is prevented from being damaged by the large current generated when the suspension type rail vehicle passes through the dead zone.
Disclosure of Invention
The invention solves the problem of how the suspended railway vehicle passes through the dead zone.
In order to solve the above problems, the present invention provides a method for a suspension type rail vehicle to cross a turnout dead zone, which is applied to a direct current supply suspension type rail vehicle, and comprises: before a vehicle passes through a non-electric area, generating a first-level order and sending the first-level order to a traction system, so that the traction system closes a traction device and an electric braking device according to the first-level order; and after the vehicle passes through the non-electricity area, generating a second level order and sending the second level order to the traction system, so that the traction system recovers normal traction and braking according to the second level order.
According to the method for the suspension type rail vehicle to pass through the turnout dead zone, the traction device and the electric braking device are closed before passing through the dead zone, so that the condition that the vehicle cannot be started automatically after passing through the dead zone due to overheat protection of a chopper resistor of a traction box caused by arc discharge caused by the fact that the vehicle with a traction load passes through the dead zone and braking energy cannot be fed back caused by electric braking of the vehicle in the dead zone is prevented, and the vehicle can smoothly pass through the dead zone.
Optionally, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: and in the automatic driving mode, a 0-level signal is automatically generated by a signal system and is sent to the traction system, so that the traction level and the brake level are 0.
According to the method for the suspension type rail vehicle to pass through the turnout dead zone, the signal of 0 level is automatically generated through the signal system in the automatic driving mode and is sent to the traction system, so that the traction level and the braking level are 0, traction force and electric braking force are not applied any more, arc discharge caused by the fact that a vehicle with a traction load passes through the dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, and the situation that traction is blocked due to overheat protection of a chopper resistor of a traction box, and the vehicle cannot be automatically started after passing through the dead zone is avoided, so that the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: in the manual driving mode, a 0-level signal is generated by operating the traction handle to return to 0 and is sent to the traction system, so that the traction level and the brake level are 0.
According to the method for enabling the suspension type rail vehicle to pass through the turnout dead zone, the traction level and the braking level are 0 by operating the traction handle to return 0 to generate a 0-level signal and send the 0-level signal to the traction system in a manual driving mode, traction force and electric braking force are not applied any more, arc discharge caused by the fact that a vehicle with a traction load passes through the dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blockage is caused due to overheat protection of a chopper resistor of a traction box, and the vehicle cannot be automatically started after passing through the dead zone is avoided, so that the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, the traction system turning off the traction device and the electric brake device according to the first level command includes: and the traction device and the electric brake device cancel traction force and electric brake force applied to the vehicle or implement traction blocking on the vehicle under the control of the first-level order.
The method for enabling the suspension type rail vehicle to pass through the turnout dead zone prevents the vehicle from arc discharge caused by passing a traction load through the dead zone and prevents the brake energy from being unable to feed back caused by electric braking of the vehicle in the dead zone by canceling the traction force and the electric brake force applied to the vehicle or implementing traction blocking on the vehicle to close the traction device and the electric brake device, so that the condition that the vehicle cannot be automatically started after passing through the dead zone is caused by overheat protection of a chopper resistor of a traction box, and the vehicle can smoothly pass through the dead zone by closing the traction device and the electric brake device.
Optionally, when the vehicle is in a traction-blocked state, the traction is restored only after the rail mesh voltage is normal.
The method for enabling the suspension type rail vehicle to pass through the turnout dead zone ensures that the vehicle can keep a traction blocking state in the dead zone by setting to recover traction force only after the contact rail network voltage is normal, prevents the vehicle from arc discharge caused by the fact that a traction load passes through the dead zone, prevents the vehicle from being incapable of feeding back braking energy caused by electric braking in the dead zone, ensures that a chopper resistor of a traction box is subjected to overheat protection to cause traction blocking, and accordingly the condition that the vehicle cannot be started automatically after passing through the dead zone occurs, and therefore the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, after the vehicle passes through the dead zone, generating a second level command and sending the second level command to the traction system includes: and in the automatic driving mode or the manual driving mode, the forcing on the 0-level bit signal is cancelled, so that the traction system recovers normal traction and braking.
The method for the suspension type rail vehicle to pass through the turnout non-electric area ensures the normal running of the vehicle in the electric area by recovering normal traction and braking after passing through the non-electric area.
Optionally, after the traction system recovers normal traction and braking, the non-0 level bit command is recovered to be executed only when the voltage of the contact rail network is normal.
According to the method for the suspension type rail vehicle to pass through the turnout dead zone, the traction system is arranged to execute the non-0 level instruction under the normal network voltage condition, so that arc discharge caused by the fact that the vehicle with a traction load passes through the dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blocking is caused due to overheat protection of a chopper resistor of a traction box, the vehicle cannot be started automatically after passing through the dead zone is caused, and therefore the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, the auxiliary power supply circuit of the vehicle is continuously operated when the vehicle passes through the dead zone.
The method for the suspension type rail vehicle to pass through the turnout dead zone effectively ensures the normal work of the auxiliary load by setting the auxiliary power supply circuit of the vehicle to continuously work when the vehicle passes through the dead zone.
Optionally, a current collector of at least one vehicle of the vehicle is in contact with the power supply rail, so that an auxiliary power supply circuit of the vehicle is continuously operated.
The method for the suspension type rail vehicle to pass through the turnout dead zone effectively ensures the normal work of the auxiliary load by arranging that one current collector of at least one vehicle is in contact with the power supply rail.
The invention also provides a device for a suspension type rail vehicle to pass through a turnout junction dead zone, which comprises: the first control module is used for generating a first-level order and sending the first-level order to a traction system before the vehicle passes through a non-electric area, so that the traction system can close a traction device and an electric braking device according to the first-level order; and the second control module is used for generating a second level order and sending the second level order to the traction system after the vehicle passes through the non-electric area, so that the traction system recovers normal traction and braking according to the second level order. Compared with the prior art, the device for the suspension type railway vehicle to cross the turnout dead zone has the same advantages as the method for the suspension type railway vehicle to cross the turnout dead zone, and the detailed description is omitted.
Drawings
Fig. 1 is a flow chart of a method for a suspended railway vehicle to cross a turnout dead zone according to an embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1, an embodiment of the present invention provides a method for a suspension type rail vehicle to cross a turnout dead zone, which is applied to a dc-powered suspension type rail vehicle, and includes: before a vehicle passes through a non-electric area, generating a first-level order and sending the first-level order to a traction system, so that the traction system closes a traction device and an electric braking device according to the first-level order; and after the vehicle passes through the non-electricity area, generating a second level order and sending the second level order to the traction system, so that the traction system recovers normal traction and braking according to the second level order.
Specifically, in the embodiment, the method for the suspension type railway vehicle to cross the turnout dead zone comprises the following steps: before the vehicle passes through the dead zone, a first-level order is generated and sent to a traction system, wherein the embodiment mainly aims at a suspension type rail transit direct-current power supply system, and the current urban rail transit direct-current power supply system is not provided with the dead zone.
In dc power systems, if the vehicle passes through a dead zone with a traction load, which causes arcing, i.e., the voltage exceeds the tolerance of air so that air ionizes to become a conductor, arcing occurs, typically around the insulator and along the surface of the insulator, thereby causing damage to the insulator on the vehicle, including melting or chipping of the insulator.
In a direct current power supply system, a vehicle can generate braking energy when electrically braking in a non-electric area, and the braking energy can cause overheat protection of a chopper resistor of a traction box so as to trigger traction blocking, so that the vehicle cannot be automatically started after passing through the non-electric area.
The judgment of the non-electric area entering and the passing through is carried out in two modes, namely that a driver judges according to a non-electric area mark beside a track during manual driving, and that a signal system judges through the real-time position of a vehicle. Before passing through the dead zone, a first-level position instruction is generated and sent to the traction system, so that the traction system closes the traction device and the electric braking device according to the first-level position instruction, arc discharge caused by the fact that a vehicle with a traction load passes through the dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blockage is caused due to overheat protection of a chopper resistor of a traction box, the situation that the vehicle cannot be started automatically after passing through the dead zone is caused, and therefore the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
The traction system is a core component of the suspension type railway vehicle, is a source of vehicle power, and provides traction force and braking force for the vehicle according to requirements to finish traction and braking of the vehicle. The traction system is controlled by the control system, and traction and braking are controlled according to the level order sent by the control system, so that the passing through of a no-electricity zone is realized.
After passing through the dead zone, the manual driving mode and the automatic driving mode do not need to force the level signal to be 0, and the normal operation is recovered, namely a second level instruction is generated and sent to the traction system; and the traction system restores normal traction and braking according to the second-level bit instruction.
In the embodiment, the traction device and the electric braking device are closed before the vehicle passes through the dead zone, so that the vehicle is prevented from being subjected to arc discharge caused by the fact that a traction load passes through the dead zone, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, the traction block is caused by overheat protection of a chopper resistor of the traction box, the vehicle cannot be started automatically after passing through the dead zone is caused, and the vehicle can pass through the dead zone smoothly.
Optionally, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: and in the automatic driving mode, a 0-level signal is automatically generated by a signal system and is sent to the traction system, so that the traction level and the brake level are 0.
Specifically, in this embodiment, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: in the automatic driving mode, a 0-level signal is automatically generated by a signal system and is sent to a traction system, so that the traction level and the brake level are 0. The method is characterized in that under an automatic driving mode, a signal system judges whether a dead zone enters or passes through a vehicle through a real-time position of the vehicle, when the real-time position of the vehicle reaches a preset position, the signal system automatically generates a first-level position instruction, namely a 0-level position signal, and sends the first-level position instruction to a traction system, the traction system receives the 0-level position signal and controls a traction level position and a braking level position to be 0, traction force and electric braking force are not applied any more, arc discharge caused by the fact that a traction load of the vehicle passes through the dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blocking is caused by overheat protection of a chopper resistor of a traction box, and the situation that the vehicle cannot be started automatically after passing through the dead zone occurs, and therefore the vehicle can pass through the dead zone smoothly by closing the traction device and the electric braking device.
In the embodiment, a 0-level signal is automatically generated by a signal system and sent to a traction system in an automatic driving mode, so that the traction level and the brake level are 0, traction force and electric braking force are not applied any more, arc discharge caused by passing of a traction load of a vehicle through a dead zone is prevented, and brake energy can not be fed back caused by electric braking of the vehicle in the dead zone, so that traction blockage caused by overheat protection of a chopper resistor of a traction box is prevented, the condition that the vehicle cannot be started automatically after passing through the dead zone occurs, and the vehicle can smoothly pass through the dead zone by closing a traction device and an electric braking device.
Optionally, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: in the manual driving mode, a 0-level signal is generated by operating the traction handle to return to 0 and is sent to the traction system, so that the traction level and the brake level are 0.
Specifically, in this embodiment, before the vehicle passes through the dead zone, generating a first level command and sending the first level command to the traction system includes: in the manual driving mode, a 0-level signal is generated by operating the traction handle to return to 0 and is sent to the traction system, so that the traction level and the brake level are 0. In the manual driving mode, a driver judges according to a dead zone mark beside a track, when the driver operates a traction handle to return to 0, a first level instruction, namely a 0-level position signal is generated and sent to a traction system, the traction system receives the 0-level position signal and controls a traction level and a braking level to be 0, traction force and electric braking force are not applied any more, arc discharge caused by the fact that a vehicle with a traction load passes through a dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blockage is caused by overheat protection of a chopper resistor of a traction box, and the vehicle cannot be started automatically after passing through the dead zone is avoided, so that the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
In the embodiment, a 0-level signal is generated and sent to the traction system by operating the traction handle to return to 0 in a manual driving mode, so that the traction level and the braking level are 0, traction force and electric braking force are not applied any more, arc discharge caused by passing of a traction load of a vehicle through a dead zone is prevented, and the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, so that traction blockage is caused by overheat protection of a chopper resistor of a traction box, the vehicle cannot be automatically started after passing through the dead zone is caused, and therefore the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, the traction system turning off the traction device and the electric brake device according to the first level command includes: and the traction device and the electric brake device cancel traction force and electric brake force applied to the vehicle or implement traction blocking on the vehicle under the control of the first-level order.
Specifically, in this embodiment, the traction system turning off the traction device and the electric brake device according to the first stage bit command includes: under the control of the first-level command, the traction device and the electric brake device cancel traction force and electric brake force applied to the vehicle or implement traction blocking on the vehicle. In the embodiment, traction force and electric braking force applied to the vehicle are usually cancelled to close the traction device and the electric braking device, so that arc discharge caused by the fact that the vehicle with a traction load passes through a non-electric area can be prevented, and the situation that the vehicle cannot be automatically started after passing through the non-electric area due to traction blocking caused by overheat protection of a chopper resistor of a traction box because the braking energy cannot be fed back caused by the electric braking of the vehicle in the non-electric area can be prevented; the vehicle can also be subjected to traction blocking, namely, in a traction blocking state, the vehicle running speed cannot be obtained even if the lifting handle is accelerated.
In the embodiment, traction force and electric braking force applied to the vehicle are cancelled or traction blocking is carried out on the vehicle to close the traction device and the electric braking device, so that arc discharge caused by the fact that the vehicle with traction load passes through a dead zone is prevented, and brake energy cannot be fed back caused by electric braking of the vehicle in the dead zone is prevented, so that the situation that the vehicle cannot be started automatically after passing through the dead zone is caused due to overheat protection of a chopper resistor of a traction box, and the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, when the vehicle is in a traction-blocked state, the traction is restored only after the rail mesh voltage is normal.
Specifically, in this embodiment, when the vehicle is in a traction-blocked state, traction is restored only after the rail grid pressure is normal. Traction force is recovered only after the contact rail network voltage is normal through setting up, make the vehicle can keep the blockade state of pulling in the dead zone, prevent that the vehicle from taking the traction load to cause the arc that draws through the dead zone, and prevent that the vehicle from causing the unable repayment of braking energy at the dead zone electric braking, make traction box chopper resistance overheat protection and cause the blockade of pulling, thereby lead to the condition emergence that the vehicle can't self-starting behind the dead zone, consequently make the vehicle can pass through the dead zone smoothly through closing draw gear and electric brake.
In the embodiment, traction force is recovered only after the voltage of the contact rail is normal, so that the vehicle can keep a traction blocking state in a dead zone, the condition that the vehicle passes through the dead zone and cannot be started automatically due to overheat protection of a chopper resistor of a traction box is prevented from being blocked, and the condition that the vehicle cannot pass through the dead zone and cannot be started automatically due to the fact that the traction load of the vehicle is subjected to arc discharge caused by the dead zone and the condition that braking energy cannot be fed back caused by electric braking of the vehicle in the dead zone is prevented from being generated.
Optionally, after the vehicle passes through the dead zone, generating a second level command and sending the second level command to the traction system includes: and in the automatic driving mode or the manual driving mode, the forcing on the 0-level bit signal is cancelled, so that the traction system recovers normal traction and braking.
Specifically, in this embodiment, after the vehicle passes through the dead zone, generating a second level command and sending the second level command to the traction system includes: and in the automatic driving mode or the manual driving mode, the forcing on the 0-level bit signal is cancelled, so that the traction system recovers normal traction and braking. After passing through the dead zone, the manual driving mode and the automatic driving mode do not need to force the level signal to be 0, the normal operation is recovered, namely, a second level instruction is generated and sent to the traction system, and the traction system recovers normal traction and braking according to the second level instruction.
In the embodiment, normal driving of the vehicle in the electrified region is ensured by recovering normal traction and braking after passing through the non-electrified region.
Optionally, after the traction system recovers normal traction and braking, the non-0 level bit command is recovered to be executed only when the voltage of the contact rail network is normal.
Specifically, in this embodiment, after the traction system resumes normal traction and braking, the non-0 level bit command is resumed only when the busbar voltage is normal. That is, the traction system executes a non-0 level instruction under the normal network voltage condition, so that the condition that the vehicle passes through the dead zone and cannot be started automatically after passing through the dead zone is caused by arc discharge caused by a traction load of the vehicle passing through the dead zone and the condition that the braking energy cannot be fed back due to electric braking of the vehicle in the dead zone, which is caused by overheat protection of a chopper resistor of a traction box, is prevented, and the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
The motor can be controlled to exert 0% of traction force by a plurality of levels including a level 0 level and a level not 0 level when the vehicle runs, wherein the level 0 level represents the lowest level, and the traction force of 100% can be exerted under the highest level.
In the embodiment, the traction system is arranged to execute the non-0 level instruction under the normal network voltage condition, so that arc discharge caused by the fact that a vehicle with a traction load passes through a dead zone is prevented, the situation that braking energy cannot be fed back due to electric braking of the vehicle in the dead zone is prevented, traction blocking is caused by overheat protection of a chopper resistor of a traction box, the situation that the vehicle cannot be started automatically after passing through the dead zone is caused, and the vehicle can smoothly pass through the dead zone by closing the traction device and the electric braking device.
Optionally, the auxiliary power supply circuit of the vehicle is continuously operated when the vehicle passes through the dead zone.
Specifically, in the present embodiment, the auxiliary power supply circuit of the vehicle is continuously operated while the vehicle passes through the dead zone. The auxiliary power supply of the vehicle is not powered off, and the auxiliary load works normally. The length of the dead zone is considered when the auxiliary power supply circuit is designed, and the auxiliary power supply circuit is ensured not to be powered off under any condition. When the vehicle passes through the dead zone, the auxiliary power supply circuit of the vehicle continuously works, and the normal work of the auxiliary load is effectively ensured.
The auxiliary power supply system guides electricity of the power supply rail to a bus of the train through dynamic contact between the current collector and the power supply rail to provide power for each electric device on the train, and the electric devices comprise a suspension system, an air conditioning system, a braking air compressor, a train control system, an illumination system, a speed measuring and positioning system and the like.
In the embodiment, the auxiliary power supply circuit of the vehicle continuously works when the vehicle passes through the dead zone, so that the normal work of the auxiliary load is effectively ensured.
Optionally, a current collector of at least one vehicle of the vehicle is in contact with the power supply rail, so that an auxiliary power supply circuit of the vehicle is continuously operated.
Specifically, in this embodiment, at least one current collector of one vehicle of the vehicle is in contact with the power supply rail, so that the auxiliary power supply circuit of the vehicle is continuously operated. The normal work of the auxiliary load is effectively ensured by arranging that at least one current collector of one vehicle is contacted with the power supply rail.
In the embodiment, the normal work of the auxiliary load is effectively ensured by arranging that one current collector of at least one vehicle of the vehicle is contacted with the power supply rail.
Another embodiment of the present invention provides a device for a suspended rail vehicle to cross a turnout junction dead zone, comprising: the first control module is used for generating a first-level order and sending the first-level order to a traction system before the vehicle passes through a non-electric area, so that the traction system can close a traction device and an electric braking device according to the first-level order; and the second control module is used for generating a second level order and sending the second level order to the traction system after the vehicle passes through the non-electric area, so that the traction system recovers normal traction and braking according to the second level order.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. A method for a suspended railway vehicle to cross a turnout dead zone is applied to a direct current supply suspended railway vehicle, and comprises the following steps:
before a vehicle passes through a non-electric area, generating a first-level order and sending the first-level order to a traction system, so that the traction system closes a traction device and an electric braking device according to the first-level order;
and after the vehicle passes through the non-electricity area, generating a second level order and sending the second level order to the traction system, so that the traction system recovers normal traction and braking according to the second level order.
2. The method of claim 1, wherein generating a first level command to a traction system before the vehicle crosses the dead zone comprises:
and in the automatic driving mode, a 0-level signal is automatically generated by a signal system and is sent to the traction system, so that the traction level and the brake level are 0.
3. The method of claim 1, wherein generating a first level command to a traction system before the vehicle crosses the dead zone comprises:
in the manual driving mode, a 0-level signal is generated by operating the traction handle to return to 0 and is sent to the traction system, so that the traction level and the brake level are 0.
4. The method of claim 1, wherein the traction system turning off traction devices and electric braking devices according to the first level command comprises:
and the traction device and the electric brake device cancel traction force and electric brake force applied to the vehicle or implement traction blocking on the vehicle under the control of the first-level order.
5. The method of claim 4, wherein when the vehicle is in a traction-blocked state, the traction force is restored only after the rail grid voltage is normal.
6. The method of claim 1, wherein generating a second level command to the traction system after the vehicle crosses the dead zone comprises:
and in the automatic driving mode or the manual driving mode, the forcing on the 0-level bit signal is cancelled, so that the traction system recovers normal traction and braking.
7. The method of claim 6, wherein the traction system resumes normal traction and braking and then resumes execution of the non-0 level command only when the rail grid voltage is normal.
8. The method of any one of claims 1 to 7, wherein the auxiliary power circuit of the vehicle is continuously operated while the vehicle traverses the neutral zone.
9. The method of claim 8, wherein a current collector of at least one of the cars is in contact with the power rail to keep the auxiliary power circuit of the car on line.
10. A suspended rail vehicle transition switch dead zone device, comprising:
the first control module is used for generating a first-level order and sending the first-level order to a traction system before the vehicle passes through a non-electric area, so that the traction system can close a traction device and an electric braking device according to the first-level order;
and the second control module is used for generating a second level order and sending the second level order to the traction system after the vehicle passes through the non-electric area, so that the traction system recovers normal traction and braking according to the second level order.
CN202111511325.2A 2021-12-06 2021-12-06 Method and device for suspension type rail vehicle to pass through turnout dead zone Pending CN114179628A (en)

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CN202111511325.2A CN114179628A (en) 2021-12-06 2021-12-06 Method and device for suspension type rail vehicle to pass through turnout dead zone

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