CN112849220A - Urban rail vehicle storage battery feed prevention control method and system - Google Patents
Urban rail vehicle storage battery feed prevention control method and system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002265 prevention Effects 0.000 title claims abstract description 15
- 230000007958 sleep Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000001174 ascending effect Effects 0.000 claims description 5
- 230000003449 preventive effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000005059 dormancy Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/22—Supporting means for the contact bow
- B60L5/28—Devices for lifting and resetting the collector
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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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a method and a system for controlling power feeding prevention of an urban rail vehicle storage battery, which comprise a vehicle-mounted signal system, an OCC, a TCMS control module, a first relay, a second relay, a third relay and a fourth relay, wherein the charging management of the storage battery can be completed through the vehicle-mounted signal system, the TCMS control module and the like under the condition that only host equipment is remotely awakened and high-power consumption equipment is not awakened, so that the energy consumption in the charging process of the storage battery is greatly reduced, the problem of the charging management of the storage battery in a dormant state of a fully-automatic driving train is solved, and the problem of power feeding caused by long-time discharging of the storage battery is avoided; the on-vehicle signal system is used for awakening and controlling the dormancy of the host equipment, so that the remote awakening and dormancy control of the train is realized, personnel are not needed to log on the train, the labor cost is reduced, and the train can be conveniently maintained and managed for a long time.
Description
Technical Field
The invention belongs to the technical field of rail transit, and particularly relates to a method and a system for controlling power feeding prevention of an urban rail vehicle storage battery.
Background
Urban rail vehicles, such as fully autonomous driving subways, are rapidly developing in the world rail traffic field. The full-automatic driving rail transit has a good beginning in China. The full-automatic driving urban rail transit system is the trend and the technology highest point of future rail transit construction development in China.
When the fully-automatic driving subway train is in an awakening state, all systems are started and put into operation, and in a sleeping state, partial systems or equipment such as a vehicle-mounted signal system awakening module, a TCMS control module and the like are still in a charged state, so that the electric quantity of a storage battery is consumed. Therefore, in the dormant state, the storage battery needs to be managed, and the problem of power feeding caused by long-time discharging of the storage battery is avoided.
At present, a storage battery preventive feeding method commonly adopted by full-automatic driving urban rail trains at home and abroad is as follows: the storage battery voltage sets up an actual undervoltage value and an undervoltage alarm value, when monitoring the storage battery and reporting to the police, OCC (train operation control center) arranges that the professional steps on the train and awakens all systems or equipment of train, and manual operation pantograph rises and inserts high voltage power supply, and the train starts supplementary inverter and charger, then charges to the storage battery. And after the storage battery is charged, manually operating the train to enter a sleep mode.
The existing storage battery management method has the following problems:
firstly, after the storage battery gives out an undervoltage alarm, personnel must be arranged to carry out vehicle climbing treatment, and the labor cost is increased;
secondly, after the train is awakened, all the systems are powered on, the charging of the storage battery generally requires about 8 hours, all the vehicle-mounted systems consume electric energy in the charging process of the storage battery, and the power consumption is large, for example, in a certain project, the electric energy consumed by the storage battery when fully charged is about 20 degrees, but in the charging process, the electric energy consumed by the vehicle-mounted systems is about 120 degrees;
thirdly, the trains are stored in the sleep mode for a long time, if the sleep time of the Turkish airport line project is less than 24 hours, the frequent boarding of personnel is required to solve the problem of battery management, and the vehicle operation and maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a method and a system for controlling the storage battery feed prevention of an urban rail vehicle, aiming at the problems that the labor cost of storage battery under-voltage alarm management in the prior art is high, the power consumption of charging management is high after all equipment of a train is awakened in the case of under-voltage alarm, and the management cost of the storage battery is high in a long-time sleep mode.
The invention solves the technical problems through the following technical scheme: a method for controlling power feeding prevention of an urban rail vehicle storage battery comprises the following steps:
step 1: acquiring the voltage state of the storage battery, judging whether the storage battery is in an undervoltage early warning state or not by the vehicle-mounted signal system according to the voltage state, and turning to the step 2 when the storage battery is in the undervoltage early warning state;
step 2: the vehicle-mounted signal system or an OCC (operation control center) sends out a wake-up instruction according to the undervoltage early warning state, and remotely wakes up the vehicle host equipment according to the wake-up instruction;
and step 3: vehicle-mounted signal system or OCC judge whether can send the pantograph and rise the bow instruction, when can send the pantograph and rise the bow instruction, send first liter bow instruction to TCMS control module to go into step 4:
and 4, step 4: the TCMS control module monitors and judges whether all the high-voltage isolating switches are positioned at the pantograph position, when all the high-voltage isolating switches are positioned at the pantograph position, the TCMS control module sends out a second pantograph lifting instruction, controls the pantograph lifting according to the second pantograph lifting instruction, and assists the inverter to be connected to a high-voltage power supply to charge the storage battery;
and 5: the TCMS control module judges whether the storage battery is charged or not, when the storage battery is charged, the TCMS control module feeds back charging completion information to the vehicle-mounted signal system, sends out a pantograph lowering instruction and controls pantograph lowering according to the pantograph lowering instruction; and the vehicle-mounted signal system sends a sleep instruction according to the charging completion information and controls the vehicle to be in a normal sleep state according to the sleep instruction.
Furthermore, in the step 1, a normally open contact of a first relay is additionally arranged between the storage battery and the vehicle-mounted signal system, and a coil of the first relay is controlled by the voltage state of the storage battery;
when the voltage of the storage battery is lower than the undervoltage early warning value, the coil of the first relay is powered off, the normally open contact of the first relay is disconnected, and the vehicle-mounted signal system judges that the storage battery is in an undervoltage early warning state.
Preferably, the undervoltage early warning value is the cut-off voltage of the storage battery + 6V.
Further, in step 3, the vehicle-mounted signal system determines whether a pantograph lifting command can be issued under the following conditions:
the vehicle is parked in an unmanned area, and a high-voltage contact net is arranged at the vehicle parking position and is electrified.
Further, in step 3, the OCC determines whether the pantograph lifting command is issued under the following conditions:
the vehicle parks in unmanned area and no personnel around the vehicle, and vehicle parking position department is equipped with the high-voltage contact net, and the high-voltage contact net has the electricity to and no personnel of vehicle are close to or are equipped with the high-voltage warning sign.
Further, in the step 4, a second relay, a third relay and a fourth relay are arranged at the output end of the storage battery; the first normally open contact of the second relay, the first normally open contact of the third relay and the first normally closed contact of the fourth relay are connected in series to form a first series branch, and the second normally open contact of the second relay, the second normally open contact of the third relay and the second normally closed contact of the fourth relay are connected in series to form a second series branch;
one end of the first series branch is connected with the output end of the storage battery, and the other end of the first series branch is connected with a coil of the third relay; one end of the second series branch is connected with the output end of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve;
the coil of the third relay and the coil of the fourth relay are controlled by an output instruction of the TCMS control module, and the coil of the second relay is controlled by whether the high-voltage isolating switch is positioned at a pantograph position or not; the output instructions include a second pantograph raising instruction and a pantograph lowering instruction.
Further, in step 5, there are three ways of issuing the pantograph lowering command:
the first mode is as follows: the TCMS control module directly sends the pantograph lowering instruction according to the charging completion information;
the second mode is as follows: the vehicle-mounted signal system sends a first bow reduction instruction to the TCMS control module according to charging completion information and a non-undervoltage early warning state, and the TCMS control module sends the bow reduction instruction according to the first bow reduction instruction;
the third mode is as follows: and the vehicle-mounted signal system sends the charging completion information to the OCC, the OCC sends a second bow lowering instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state, and the TCMS control module sends the bow lowering instruction according to the second bow lowering instruction.
The invention also provides a system for controlling the power feeding prevention of the storage battery of the urban rail vehicle, which comprises a vehicle-mounted signal system, an OCC (on chip controller) and a TCMS (train control system), and is characterized by further comprising a first relay, a second relay, a third relay and a fourth relay;
a coil of the first relay is controlled by the voltage state of a storage battery, and a normally open contact of the first relay is arranged between the storage battery and a vehicle-mounted signal system;
the first normally open contact of the second relay, the first normally open contact of the third relay and the first normally closed contact of the fourth relay are connected in series to form a first series branch, and the second normally open contact of the second relay, the second normally open contact of the third relay and the second normally closed contact of the fourth relay are connected in series to form a second series branch; one end of the first series branch is connected with the output end of the storage battery, and the other end of the first series branch is connected with a coil of the third relay; one end of the second series branch is connected with the output end of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve;
the coil of the third relay and the coil of the fourth relay are controlled by an output instruction of the TCMS control module, and the coil of the second relay is controlled by whether the high-voltage isolating switch is positioned at a pantograph position or not; the output instruction comprises a second pantograph ascending instruction and a pantograph descending instruction;
the vehicle-mounted signal system is used for judging whether the storage battery is in an undervoltage early warning state or not according to the voltage state of the storage battery; the system is used for sending a wake-up instruction to wake up the vehicle host equipment when the storage battery is in the undervoltage early warning state and sending undervoltage early warning state information to the OCC; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module; the system comprises a TCMS control module, a power supply module and a power supply module, wherein the TCMS control module is used for sending charging completion information to the power supply module;
the OCC is used for sending a wake-up instruction according to the undervoltage early warning state information sent by the vehicle-mounted signal system so as to wake up the vehicle host equipment; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module;
the TCMS control module is used for monitoring and judging whether all the high-voltage isolating switches are positioned at the pantograph position or not; the high-voltage isolating switches are all located at the pantograph position and send out a second pantograph lifting instruction when receiving the first pantograph lifting instruction; the second pantograph lifting instruction is sent; and the system is used for sending charging completion information to the vehicle-mounted signal system and sending a pantograph lowering instruction when the storage battery is charged.
Furthermore, the vehicle-mounted signal system is also used for sending a first bow reduction instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state; the charging completion information is sent to the OCC;
the OCC is also used for sending a second bow reduction instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state sent by the vehicle-mounted signal system;
the TCMS control module is also used for sending the pantograph reducing instruction according to the first pantograph reducing instruction or the second pantograph reducing instruction.
Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. the charging management of the storage battery can be completed through the vehicle-mounted signal system, the TCMS control module and the like under the condition that the host equipment is only awakened remotely and the high-power consumption equipment is not awakened, so that the energy consumption in the charging process of the storage battery is greatly reduced, the problem of the charging management of the storage battery of the full-automatic driving train in a dormant state is solved, and the problem of feeding caused by long-time discharging of the storage battery is avoided;
2. the on-board signal system is used for carrying out awakening and dormancy control on the host equipment, so that remote awakening and dormancy control of the train is realized, personnel are not required to carry out boarding treatment, the labor cost is reduced, and maintenance and management of long-time storage of the train are facilitated;
3. the OCC or vehicle-mounted signal system can accurately know the parking position of the vehicle and the surrounding environment of the vehicle through systems such as ground monitoring and the like, send a pantograph lifting instruction through the OCC or vehicle-mounted signal system, realize remote pantograph lifting control, ensure that no safety accident is caused after the pantograph lifting of the vehicle is connected with a high-voltage power supply (DC 1500V/DC 750V), realize automatic pantograph lowering control of the pantograph after the charging of a storage battery is finished through a TCMS control module or the vehicle-mounted signal system or the OCC, fully consider the personnel safety problem and ensure the safety of long-time storage of the train;
4. the whole-course control and monitoring of the charging process of the storage battery can be realized.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flow chart of a method for controlling power feeding prevention of an urban rail vehicle storage battery in the embodiment of the invention;
FIG. 2 is a schematic diagram of battery voltage condition monitoring in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a pantograph command transmission in an embodiment of the present invention;
FIG. 4 is a schematic diagram of the monitoring of a high voltage isolator switch in an embodiment of the present invention;
FIG. 5 is a schematic diagram of pantograph control and battery charge control in an embodiment of the present invention;
FIG. 6 is a schematic diagram of command transmission for bow reduction in an embodiment of the present invention.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
As shown in fig. 1, the method for controlling power feeding prevention of an urban rail vehicle battery provided by the embodiment includes the following steps:
1. battery voltage state determination
As shown in fig. 2, a normally open contact of a first relay KM1 is additionally arranged between the permanent load of the storage battery and the vehicle-mounted signal system, and a coil of the first relay KM1 is controlled by the voltage state of the storage battery; when the voltage of the storage battery is lower than the undervoltage early warning value, the coil of the first relay KM1 loses power, the normally open contact of the first relay KM1 is disconnected, and the vehicle-mounted signal system judges that the storage battery is in an undervoltage early warning state; the closing and the disconnection of the normally open contact of the first relay KM1 are controlled by the power loss of the coil of the first relay KM1, so that the voltage state of the storage battery is monitored, and whether the storage battery is in an undervoltage early warning state or not is judged.
In this embodiment, the undervoltage warning value is +6V of the cutoff voltage of the storage battery. The permanent load of the storage battery is the output of the storage battery, the permanent load is not powered off and is not controlled, and the permanent load can be output as long as the storage battery does not feed power.
2. Wake-up of a host device
The vehicle-mounted signal system sends the undervoltage early warning state information to the OCC and gives an alarm, the vehicle-mounted signal system or the OCC sends a wake-up instruction, and the host equipment of the vehicle is remotely wakened up through the wake-up instruction. Subsequent pantograph rising control, pantograph falling control and charging control of the storage battery are all carried out in a state that only the host equipment is awakened, and high-power consumption equipment such as a lighting system, an air conditioning system and the like are in a dormant state, so that the energy consumption in the charging process of the storage battery is greatly reduced; the problem of storage battery charging management of the full-automatic driving train in a dormant state is solved under the condition of low power consumption, and the problem of power feeding caused by long-time discharging of the storage battery is avoided. The train host equipment awakening and the train sleeping are controlled according to the instruction sent by the vehicle-mounted signal system or the OCC, so that the remote train awakening and sleeping control is realized, personnel boarding processing is not needed, the labor cost is reduced, and the train is convenient to maintain and manage for a long time.
The vehicle-mounted signal system and the OCC are communicated through a wake-up module of the vehicle-mounted signal system, and the wake-up module is powered by a permanent power supply of a storage battery, so that the power is not cut off.
3. Issue of first arch raising instruction
After monitoring that the storage battery is in an undervoltage early warning state, the vehicle-mounted signal system or the OCC judges whether a pantograph lifting instruction can be sent or not, and sends a first pantograph lifting instruction to the TCMS control module when the pantograph lifting instruction can be sent, as shown in fig. 3, the vehicle-mounted signal system or the OCC sends the first pantograph lifting instruction. A first pantograph rising instruction of the OCC is sent to the awakening module of the vehicle-mounted signal firstly and then sent to the TCMS control module.
Whether can send the pantograph and rise the bow instruction, vehicle-mounted signal system or OCC all need satisfy certain condition:
the vehicle-mounted signal system judges whether the conditions for sending the pantograph lifting instruction are as follows:
(1) the vehicle is parked in an unmanned area; whether the vehicle is parked in an unmanned area or not can be judged according to the positioning of the vehicle, the safety problem is fully considered, and the safety of personnel in the whole feed prevention control process is ensured.
(2) The vehicle parking position department is equipped with the high-voltage contact net, and the high-voltage contact net has the electricity, judges whether the automobile body parking position department is equipped with the high-voltage contact net according to the location of vehicle equally, prepares for subsequent battery charging.
The OCC judges whether the pantograph lifting instruction can be sent out or not according to the following conditions:
(1) the vehicle is parked in an unmanned area and no person is around the vehicle;
(2) a high-voltage contact net is arranged at the vehicle parking position and is electrified;
(3) the vehicle is not provided with a high-voltage warning board or is close to the vehicle, and the high-voltage warning board is not needed to be arranged if the vehicle is in an unmanned area.
4. Pantograph remote pantograph lifting control
As shown in fig. 4 and 5, a second relay KM2, a third relay KM3 and a fourth relay KM4 are provided at the permanent load of the storage battery; a first normally open contact of the second relay KM2, a first normally open contact of the third relay KM3 and a first normally closed contact of the fourth relay KM4 are connected in series to form a first series branch, and a second normally open contact of the second relay KM2, a second normally open contact of the third relay KM3 and a second normally closed contact of the fourth relay KM4 are connected in series to form a second series branch; one end of the first series branch is connected with a permanent load of the storage battery, and the other end of the first series branch is connected with a coil of a third relay KM 3; one end of the second series branch is connected with the permanent load of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve; the coil of the third relay KM3 and the coil of the fourth relay KM4 are controlled by the output instruction of the TCMS control module, and the coil of the second relay KM2 is controlled by whether the high-voltage disconnecting switch (i.e. the train knife switch) is in the pantograph position (i.e. the operation position); the output instructions include a second pantograph up instruction and a pantograph down instruction.
When the high-voltage isolating switch is in the pantograph position, namely the pantograph is allowed to rise, the coil (namely the pantograph rising allowing relay) of the second relay KM2 is electrified, the first normally open contact and the second normally open contact of the second relay KM2 are closed, when the TCMS control module sends out a second pantograph lifting instruction, the coil (namely pantograph lifting holding relay) of the third relay KM3 is electrified, the coil (pantograph lifting control relay) of the fourth relay KM4 is deenergized, the first normally open contact and the second normally open contact of the third relay KM3 are closed, the first normally closed contact and the second normally closed contact of the fourth relay KM4 are closed, the first series branch and the second series branch are communicated, the pantograph lifting valve (namely the pantograph lifting control electromagnetic valve) is electrified, the pantograph is controlled to lift through air pressure, when the pantograph is lifted, the auxiliary inverter is connected with a high-voltage power supply, and the auxiliary inverter and the charger are automatically started to charge the storage battery. When the TCMS control module sends a pantograph descending instruction, the coil of the fourth relay KM4 is electrified, the first normally closed contact and the second normally closed contact of the fourth relay KM4 are disconnected, so that the first series branch and the second series branch are disconnected, the pantograph ascending valve (namely, the pantograph ascending control electromagnetic valve) is electrified, the pantograph descending is controlled, the charging of the storage battery is completed, the first relay KM1 is electrified, the first normally open contact of the first relay KM1 is closed, and the train enters a normal dormant state.
The TCMS control module sends out a second pantograph lifting instruction according to the fact that the first pantograph lifting instruction and all the high-voltage isolating switches are located at pantograph positions, the first series branch and the second series branch are connected, the pantograph lifting valve is electrified, the remote control pantograph is lifted to charge the storage battery, the TCMS control module monitors the whole charging process of the storage battery, and when the storage battery is fully charged, or the charging time of the storage battery reaches the preset charging time, the TCMS control module sends out the pantograph lifting instruction. In this embodiment, the preset charging time is 8 hours.
5. Pantograph remote pantograph lowering control
After the storage battery is charged, the TCMS control module feeds charging completion information back to the vehicle-mounted signal system, sends a pantograph lowering instruction and controls pantograph lowering according to the pantograph lowering instruction; and the vehicle-mounted signal system sends a sleep instruction according to the charging completion information and controls the vehicle to be in a normal sleep state according to the sleep instruction.
As shown in fig. 6, in the present embodiment, there are three types of issuing manners of the pantograph instruction:
the first mode is as follows: the TCMS control module directly sends out a pantograph lowering instruction according to the charging completion information;
the second mode is as follows: the vehicle-mounted signal system sends a first pantograph lowering instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state (the non-undervoltage early warning state is monitored by the first relay KM 1), and the TCMS control module sends a pantograph lowering instruction according to the first pantograph lowering instruction;
the third mode is as follows: the vehicle-mounted signal system sends charging completion information to the OCC through the awakening module, the OCC sends a second bow-reducing instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state, and the TCMS control module sends the bow-reducing instruction according to the second bow-reducing instruction.
As shown in fig. 5, after the TCMS control module sends a pantograph lowering command, the coil of the fourth relay KM4 is controlled to be powered on, the first normally closed contact and the second normally closed contact of the fourth relay KM4 are disconnected, so that the first series branch and the second series branch are disconnected, the pantograph raising valve is powered off, and the pantograph lowering is controlled. The train finishes the storage battery charging, the coil of the first relay KM1 is electrified, the normally open contact of the first relay KM1 is closed, the vehicle-mounted signal system judges that the storage battery is in a non-undervoltage early warning state, a sleep instruction is sent, and the train enters a normal sleep state.
After the storage battery is charged, the normally open contact of the first relay KM1 is closed, the vehicle-mounted signal system receives the information of the non-undervoltage early warning state of the storage battery, and then a first pantograph lowering instruction is sent according to the charging completion information fed back by the TCMS control module.
As shown in fig. 1 to 6, the urban rail vehicle storage battery preventive feed control system further provided by the embodiment includes a vehicle-mounted signal system, an OCC, a TCMS control module, a first relay KM1, a second relay KM2, a third relay KM3, and a fourth relay KM 4;
the coil of the first relay KM1 is controlled by the voltage state of a storage battery, and the normally open contact of the first relay KM1 is arranged between the storage battery and a vehicle-mounted signal system;
the first normally open contact of the second relay KM2, the first normally open contact of the third relay KM3 and the first normally closed contact of the fourth relay KM4 are connected in series to form a first series branch, and the second normally open contact of the second relay KM2, the second normally open contact of the third relay KM3 and the second normally closed contact of the fourth relay KM4 are connected in series to form a second series branch; one end of the first series branch is connected with the output end of the storage battery, and the other end of the first series branch is connected with a coil of a third relay KM 3; one end of the second series branch is connected with the output end of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve;
the coil of the third relay KM3 and the coil of the fourth relay KM4 are controlled by the output instruction of the TCMS control module, and the coil of the second relay KM2 is controlled by whether the high-voltage isolating switch is in a pantograph position or not; the output instruction comprises a second pantograph ascending instruction and a pantograph descending instruction;
the vehicle-mounted signal system is used for judging whether the storage battery is in an undervoltage early warning state or not according to the voltage state of the storage battery; the system is used for sending a wake-up instruction to wake up the vehicle host equipment when the storage battery is in the undervoltage early warning state and sending undervoltage early warning state information to the OCC; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module; the system comprises a TCMS control module, a power supply module and a power supply module, wherein the TCMS control module is used for sending charging completion information to the power supply module;
the OCC is used for sending a wake-up instruction according to the undervoltage early warning state information sent by the vehicle-mounted signal system so as to wake up the vehicle host equipment; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module;
the TCMS control module is used for monitoring and judging whether all the high-voltage isolating switches are positioned at the pantograph position or not; the high-voltage isolating switches are all located at the pantograph position and send out a second pantograph lifting instruction when receiving the first pantograph lifting instruction; the second pantograph lifting instruction is sent; and the system is used for sending charging completion information to the vehicle-mounted signal system and sending a pantograph lowering instruction when the storage battery is charged.
In this embodiment, the vehicle-mounted signal system is further configured to send a first bow reduction instruction to the TCMS control module according to the charging completion information and the non-undervoltage warning state; the charging completion information is sent to the OCC; the OCC is also used for sending a second bow reduction instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state sent by the vehicle-mounted signal system; the TCMS control module is also used for sending the pantograph reducing instruction according to the first pantograph reducing instruction or the second pantograph reducing instruction.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (9)
1. A method for controlling power feeding prevention of an urban rail vehicle storage battery is characterized by comprising the following steps:
step 1: acquiring the voltage state of the storage battery, judging whether the storage battery is in an undervoltage early warning state or not by the vehicle-mounted signal system according to the voltage state, and turning to the step 2 when the storage battery is in the undervoltage early warning state;
step 2: the vehicle-mounted signal system or the OCC sends out a wake-up instruction according to the under-voltage early warning state, and remotely wakes up the vehicle host equipment according to the wake-up instruction;
and step 3: vehicle-mounted signal system or OCC judge whether can send the pantograph and rise the bow instruction, when can send the pantograph and rise the bow instruction, send first liter bow instruction to TCMS control module to go into step 4:
and 4, step 4: the TCMS control module monitors and judges whether all the high-voltage isolating switches are positioned at the pantograph position, when all the high-voltage isolating switches are positioned at the pantograph position, the TCMS control module sends out a second pantograph lifting instruction, controls the pantograph lifting according to the second pantograph lifting instruction, and assists the inverter to be connected to a high-voltage power supply to charge the storage battery;
and 5: the TCMS control module judges whether the storage battery is charged or not, when the storage battery is charged, the TCMS control module feeds back charging completion information to the vehicle-mounted signal system, sends out a pantograph lowering instruction and controls pantograph lowering according to the pantograph lowering instruction; and the vehicle-mounted signal system sends a sleep instruction according to the charging completion information and controls the vehicle to be in a normal sleep state according to the sleep instruction.
2. The urban rail vehicle storage battery preventive feeding control method according to claim 1, characterized in that in step 1, a normally open contact of a first relay is additionally arranged between the storage battery and a vehicle-mounted signal system, and a coil of the first relay is controlled by the voltage state of the storage battery;
when the voltage of the storage battery is lower than the undervoltage early warning value, the coil of the first relay is powered off, the normally open contact of the first relay is disconnected, and the vehicle-mounted signal system judges that the storage battery is in an undervoltage early warning state.
3. The method for controlling the power feeding prevention of the storage battery of the urban rail vehicle as claimed in claim 2, wherein the undervoltage warning value is the cut-off voltage of the storage battery + 6V.
4. The method for controlling power feeding prevention of an urban rail vehicle storage battery according to claim 1, wherein in the step 3, the vehicle-mounted signal system judges whether a pantograph lifting command can be issued under the following conditions:
the vehicle is parked in an unmanned area, and a high-voltage contact net is arranged at the vehicle parking position and is electrified.
5. The method for controlling power feeding prevention of an urban rail vehicle battery according to claim 1, wherein in step 3, the OCC determines whether a pantograph lifting command can be issued under the following conditions:
the vehicle parks in unmanned area and no personnel around the vehicle, and vehicle parking position department is equipped with the high-voltage contact net, and the high-voltage contact net has the electricity to and no personnel of vehicle are close to or are equipped with the high-voltage warning sign.
6. The urban rail vehicle storage battery feed prevention control method according to any one of claims 1 to 5, wherein in the step 4, a second relay, a third relay and a fourth relay are arranged at the output end of the storage battery; the first normally open contact of the second relay, the first normally open contact of the third relay and the first normally closed contact of the fourth relay are connected in series to form a first series branch, and the second normally open contact of the second relay, the second normally open contact of the third relay and the second normally closed contact of the fourth relay are connected in series to form a second series branch;
one end of the first series branch is connected with the output end of the storage battery, and the other end of the first series branch is connected with a coil of the third relay; one end of the second series branch is connected with the output end of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve;
the coil of the third relay and the coil of the fourth relay are controlled by an output instruction of the TCMS control module, and the coil of the second relay is controlled by whether the high-voltage isolating switch is positioned at a pantograph position or not; the output instructions include a second pantograph raising instruction and a pantograph lowering instruction.
7. The urban rail vehicle storage battery preventive feeding control method according to any one of claims 1 to 5, wherein in the step 5, the pantograph command is issued in three ways:
the first mode is as follows: the TCMS control module directly sends the pantograph lowering instruction according to the charging completion information;
the second mode is as follows: the vehicle-mounted signal system sends a first bow reduction instruction to the TCMS control module according to charging completion information and a non-undervoltage early warning state, and the TCMS control module sends the bow reduction instruction according to the first bow reduction instruction;
the third mode is as follows: and the vehicle-mounted signal system sends the charging completion information to the OCC, the OCC sends a second bow lowering instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state, and the TCMS control module sends the bow lowering instruction according to the second bow lowering instruction.
8. A preventive feed control system for an urban rail vehicle storage battery comprises a vehicle-mounted signal system, an OCC (on chip controller) and a TCMS (train control system) control module, and is characterized by further comprising a first relay, a second relay, a third relay and a fourth relay;
a coil of the first relay is controlled by the voltage state of a storage battery, and a normally open contact of the first relay is arranged between the storage battery and a vehicle-mounted signal system;
the first normally open contact of the second relay, the first normally open contact of the third relay and the first normally closed contact of the fourth relay are connected in series to form a first series branch, and the second normally open contact of the second relay, the second normally open contact of the third relay and the second normally closed contact of the fourth relay are connected in series to form a second series branch; one end of the first series branch is connected with the output end of the storage battery, and the other end of the first series branch is connected with a coil of the third relay; one end of the second series branch is connected with the output end of the storage battery, and the other end of the second series branch is connected with the pantograph-ascending valve;
the coil of the third relay and the coil of the fourth relay are controlled by an output instruction of the TCMS control module, and the coil of the second relay is controlled by whether the high-voltage isolating switch is positioned at a pantograph position or not; the output instruction comprises a second pantograph ascending instruction and a pantograph descending instruction;
the vehicle-mounted signal system is used for judging whether the storage battery is in an undervoltage early warning state or not according to the voltage state of the storage battery; the system is used for sending a wake-up instruction to wake up the vehicle host equipment when the storage battery is in the undervoltage early warning state and sending undervoltage early warning state information to the OCC; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module; the system comprises a TCMS control module, a power supply module and a power supply module, wherein the TCMS control module is used for sending charging completion information to the power supply module;
the OCC is used for sending a wake-up instruction according to the undervoltage early warning state information sent by the vehicle-mounted signal system so as to wake up the vehicle host equipment; the system is used for judging whether a pantograph lifting instruction can be sent or not, and when the pantograph lifting instruction can be sent, a first pantograph lifting instruction is sent to the TCMS control module;
the TCMS control module is used for monitoring and judging whether all the high-voltage isolating switches are positioned at the pantograph position or not; the high-voltage isolating switches are all located at the pantograph position and send out a second pantograph lifting instruction when receiving the first pantograph lifting instruction; the second pantograph lifting instruction is sent; and the system is used for sending charging completion information to the vehicle-mounted signal system and sending a pantograph lowering instruction when the storage battery is charged.
9. The system of claim 8, wherein the on-board signal system is further configured to send a first bow reduction command to the TCMS control module based on the charge completion information and the no-under-voltage warning status; the charging completion information is sent to the OCC;
the OCC is also used for sending a second bow reduction instruction to the TCMS control module according to the charging completion information and the non-undervoltage early warning state sent by the vehicle-mounted signal system;
the TCMS control module is also used for sending the pantograph reducing instruction according to the first pantograph reducing instruction or the second pantograph reducing instruction.
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CN202110314291.1A CN112849220B (en) | 2021-03-24 | 2021-03-24 | Urban rail vehicle storage battery feed prevention control method and system |
PCT/CN2021/114191 WO2022198913A1 (en) | 2021-03-24 | 2021-08-24 | Control method and system for preventing power deficiency of storage battery of urban rail vehicle |
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WO2022198913A1 (en) * | 2021-03-24 | 2022-09-29 | 中车株洲电力机车有限公司 | Control method and system for preventing power deficiency of storage battery of urban rail vehicle |
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CN112849220B (en) * | 2021-03-24 | 2022-02-11 | 中车株洲电力机车有限公司 | Urban rail vehicle storage battery feed prevention control method and system |
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JP2010183771A (en) * | 2009-02-06 | 2010-08-19 | Kawasaki Heavy Ind Ltd | Device for automatically lifting pantograph |
CN109094378A (en) * | 2018-08-21 | 2018-12-28 | 中车南京浦镇车辆有限公司 | A kind of pantograph circuit for remotely controlling of unmanned subway train |
CN109193893A (en) * | 2018-10-23 | 2019-01-11 | 中车株洲电力机车有限公司 | A kind of method and system preventing control discharged or defective battery |
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CN114069588A (en) * | 2021-11-08 | 2022-02-18 | 中车长春轨道客车股份有限公司 | Track traffic vehicle emergency pantograph-ascending pump external power supply control circuit |
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CN112849220B (en) | 2022-02-11 |
WO2022198913A1 (en) | 2022-09-29 |
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