CN105365598A - Rail transit train traction vehicle lithium battery energy storage system - Google Patents
Rail transit train traction vehicle lithium battery energy storage system Download PDFInfo
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- CN105365598A CN105365598A CN201510895893.5A CN201510895893A CN105365598A CN 105365598 A CN105365598 A CN 105365598A CN 201510895893 A CN201510895893 A CN 201510895893A CN 105365598 A CN105365598 A CN 105365598A
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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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides a rail transit train traction vehicle lithium battery energy storage system comprising a power lithium battery, a battery management unit (BMU), a battery safety management unit (SCU), a remote safety monitoring unit (RSCU), and a high voltage electric part; a bottom layer electronic control unit (LECU) of the battery management unit collects battery information and carries out balance management for the battery; a battery control unit (BCU) can control the system according to battery information. The battery safety management unit verifies uploading information of the battery control unit and the bottom layer electronic control unit, can restart the battery control unit when management failure happens, and can report first level fault if the restart fails; a communication gateway in the remote safety monitoring unit receives the information uploaded by a battery pack management system, the information is displayed by a display screen, and the data is sent to a server through a remote monitoring module configured in the display screen. The rail transit train traction vehicle lithium battery energy storage system is applied to traction usage of the train in a non-electric zone, and triple safety managements can effectively ensure the system to safely and reliably operate.
Description
Technical field
The present invention relates to rail and hand over train traction power technical field, particularly relate to a kind of lithium battery energy storage battery systems technology handing over train traction for rail.
Background technology
Along with the development in city, urban population gets more and more, and track traffic is also increasing to the importance in city.Rail traffic vehicles carries most of pressure of urban population transport, and along with the growth of vehicle hour, rail hands over the fault rate of vehicle also in rising situation.Under traditional pattern, after train et out of order, need the train in track to empty, tractor-trailer train sails track into and fault train traction is gone out circulation line.This rescue mode rescue time is longer, and easily occurs that passenger enters tunnel, passenger pounds the accidents such as window, causes larger economic loss, brings larger social influence.
In order to effectively reduce the social influence and economic loss that train operation fault brings, people propose to adopt vehicle-mounted super capacitor energy-storage system to provide haulage capacity for train, when train fault, carry out evacuating personnel by vehicle-mounted super capacitor energy-storage system tractor-trailer train to platform.But the electric energy that super capacitor can store is lower, and super capacitor volume and weight is all larger, vehicle-mounted super capacitor energy-storage system cannot provide enough energy for vehicle long distance running.
Summary of the invention
The object of the present invention is to provide a kind of rail to hand over train traction car lithium battery closed-centre system, for the urgent traction of train under fault, train traction is carried out evacuating personnel to platform, simultaneity factor can provide energy for train in territory, non-electricity zone traveling.System has higher energy density, less volume, and add the safe reliability of system by the management of security managing unit, telesecurity administrative unit, for system hands over the sizable application on train to provide possibility in-orbit, efficiently solving train can not the technical matters of long distance running in non-electricity zone.
In order to achieve the above object, technical scheme of the present invention is to provide a kind of rail and hands over train traction car lithium battery closed-centre system, wherein comprises:
The group of battery modules that the multiple dynamic lithium battery of connection in series-parallel is formed, in the electric loop of access car lithium battery closed-centre system, as stored energy output unit;
Battery control unit, is carried out process to other unit in car lithium battery closed-centre system to its information uploaded and integrates, and receive the hard signal that outside train sends to it, controlled by operational system control policy to car lithium battery closed-centre system;
MVB module, realizes the communication of battery control unit and outside train;
Multiple bottom electronic control unit, gathers the battery information of corresponding dynamic lithium battery separately, to the balanced management carrying out battery after battery information calculation process, and is sent to by battery information battery control unit to carry out process integration;
Main contactor, accesses in described electric loop; When battery control unit controls described main contactor adhesive, electric loop is connected and is enable group of battery modules carry out discharge and recharge, or when battery control unit controls the disconnection of described main contactor, electric loop disconnects.
Preferably, described car lithium battery closed-centre system comprises DC-DC module further, and the direct supply receiving the input of outside train is powered to battery control unit;
Described DC-DC module comprises two-way DC-DC voltage module, respectively shares the load of 50% when normal work;
The power output end that each described DC-DC voltage module is arranged is configured with diode;
The state output end that each described DC-DC voltage module is arranged, sends to battery control unit by the status information of this DC-DC voltage module;
When any one DC-DC voltage module is abnormal, abnormal DC-DC voltage module is cut, and transmits breakdown signal to battery control unit; The DC-DC voltage module of non-fault is with whole power stage.
Preferably, described car lithium battery closed-centre system comprises battery safety management unit further, and the system information that real-time reception battery control unit is uploaded verifies, the battery control unit whether reporting fault information after detection failure occurs;
Detect the distortion of battery control unit information upload or battery control unit not in time reporting fault information time, send instructions under described battery safety management unit and restart battery control unit; When battery safety management unit still cannot normally work after restarting set point number, report one-level alarm failure by MVB module to train.
Preferably, described battery control unit is by CAN and rigid line and battery safety management unit communication; Described battery safety management unit comprises MCU chip, and the hard signal circuit, contactor control circuit, feed circuit, warning circuit, the communication circuit that are attached thereto respectively.
Preferably, described car lithium battery closed-centre system comprises telesecurity monitoring unit (90) further, wherein be provided with CAN and connect the communication gate of battery control unit, be used for receiving the system information that battery control unit sends to it, and send read-out to and show; Described read-out is accompanied with far module and the system information received is sent to server.
Preferably, described car lithium battery closed-centre system comprises current sensor further, detects the electric current of electric loop, and the current information collected is sent to battery control unit by CAN; The current information that described battery control unit is uploaded according to current sensor is monitored, and controls electric loop disconnection when current value trigger protection value.
Preferably, described car lithium battery closed-centre system comprises wire fuse further, is separately positioned on electric loop positive and negative busbar.
Preferably, described car lithium battery closed-centre system comprises the Manual isolation switch of access electric loop further, is disconnected by electric loop when installation and maintenance.
Preferably, described dynamic lithium battery is ferric phosphate lithium cell, or ternary lithium cell, or lithium manganate battery; The pattern of described dynamic lithium battery is cylindrical battery, or rectangular cell, or soft-package battery.
Preferably, described bottom electronic control unit gathers voltage, the temperature information of dynamic lithium battery by sample circuit, the battery information collected is sent to micro-control unit that this bottom electronic control unit arranges to carry out processing and the balanced management of battery, and by the CAN that several bottom electronic control units share, battery information is transferred to battery control unit.
In sum, the traction battery group system consisted of above scheme in the present invention can realize the traction of train in non-electricity zone and use, meet train traction demand, and the program has triple safe management, first battery management system carries out underlying security management to battery, secondly security managing unit carries out safe in operation management to battery management system, and last telesecurity administrative unit carries out Realtime Alerts management to battery management system, and actv. ensure that the safe and reliable operation of system.
Accompanying drawing explanation
Fig. 1 is the electric diagram of traction car lithium battery closed-centre system of the present invention;
Fig. 2 is the schematic diagram of the DC-DC module of double copies in the present invention;
Fig. 3 is the composition schematic diagram of SCU module in the present invention.
Detailed description of the invention
The specific embodiment of invention is further illustrated below in conjunction with accompanying drawing.
The present invention is the vehicle-mounted energy-storage lithium battery system of a kind of traction, system by dynamic lithium battery as stored energy output unit, and by devices such as battery management unit (BMU), battery safety management unit (SCU), telesecurity monitoring unit (RSCU), high-voltage electrical apparatus parts, lithium cell is managed.High-voltage electrical apparatus part mainly comprises contactless switch, wire fuse, disconnector, current sensor, DC-DC module etc.
As shown in Figure 1, this system mainly comprises: dynamic lithium battery 10, bottom electronic control unit (LECU) 20, wire fuse 30, current sensor 40, main contactor 50, battery control unit (BCU) 60, DC-DC module 70, battery safety management unit (SCU) 80, telesecurity monitoring unit (RSCU) 90, Manual isolation switch 11.
Dynamic lithium battery 10 is as the Energy transmission unit of whole system, for system cloud gray model provides energy, material system can be the material system (such as, using the high-power batteries such as ferric phosphate lithium cell, ternary lithium cell, lithium manganate battery) that LiFePO4, LiMn2O4, ternary material etc. meet system user demand; The pattern of battery can be the lithium cell pattern that cylindrical battery, rectangular cell, soft-package battery etc. are easy in groups.Several dynamic lithium battery 10 comprising modules, then module forms whole group of battery modules according to system requirements connection in series-parallel.
Described battery management unit (BMU) comprises bottom electronic control unit LECU20 and battery control unit BCU60, for managing battery.Wherein, bottom electronic control unit LECU20 gather battery voltage, temperature, balanced management is carried out to battery, and calculation process is carried out to battery information.Battery control unit BCU60 carries out data processing to the information that bottom electronic control unit LECU20 uploads, and controls system according to system control strategy.
Bottom electronic control unit LECU20 gathers voltage, temperature information by sample circuit to the dynamic lithium battery 10 in corresponding module, and the MCU(micro-control unit information collected passed on LECU plate), after MCU processes data by CAN by information transmission to battery control unit BCU60, several bottom electronic control units LECU20 shares CAN and communicates with battery control unit BCU60.MCU carries out balanced management by equalizer circuit to battery according to the information gathered simultaneously, by the balanced management to battery, effectively can improve the conformability of lithium cell, extends battery.
Battery control unit BCU60 is the control core of whole lithium battery system, the bottom-up informations such as bottom electronic control unit LECU20, current sensor 40 are uploaded to battery control unit BCU60, simultaneously battery control unit BCU60 carries out process to the information of whole system and integrates, by MVB(MVB) module 12 and the DC-DC control system of outside train and the MVB network service of train.Battery control unit BCU60 is communicated with battery safety management cell S CU80 by CAN and rigid line, and battery control unit BCU60 is communicated by CAN with telesecurity monitoring unit RSCU90 simultaneously.
Wire fuse 30 plays a protective role to whole electric loop; wherein respectively configure a wire fuse 30 at positive and negative two buses; for the protection of battery pack system, prevent because short circuit causes system to bring safety problem, the withstand voltage of wire fuse 30 and conveyance capacity are configured according to entire system demand.
The electric current of current sensor 40 pairs of whole system electric loops detects; and the current information collected is sent to battery control unit BCU60 by CAN; the information that battery control unit BCU60 uploads according to current sensor 40 is monitored system power, the system shutdown loop protection when trigger protection value.
Battery control unit BCU60 controls main contactor 50 by the DC control supply controlling outside 110V, particularly, the input of the 110V DC control supply of outside train is transferred to 12V direct supply and powers to battery control unit BCU60 by DC-DC module 70, and battery control unit BCU controls the contact whether adhesive of main contactor 50 further.Thus, train, in the normal situation of all information, can export corresponding DC control supply to control the discharge and recharge of battery system by the DC-DC control system of train; Under appearance controls failure conditions, battery control unit BCU60 then cuts off main contactor 50 power supply, thus cutoff circuit, ensure the safety of system.
As shown in Figure 2, DC-DC module 70 adopts double copies Redundancy Design, and inside modules configuration two-way DC-DC voltage module, the power output end of each DC-DC voltage module is configured with diode respectively wherein, prevents because voltage differences causes module to puncture.Two DC-DC voltage modules work simultaneously, respectively share the load of 50%.In addition, each DC-DC voltage module also exports the signal having and represent this DC-DC voltage module state respectively to battery control unit BCU60.When there is individual module operation irregularity, other module realizes whole power stage and ensures that system works is normal; Abnormal module excision simultaneously, abnormal module exports breakdown signal and sends battery control unit BCU60 to, and corresponding relay indicating light becomes faulty condition.
As shown in Figure 3, battery safety management cell S CU80 comprises MCU chip 801, and the hard signal circuit 802 be attached thereto respectively, contactor control circuit 803, feed circuit 804, warning circuit SCU, communication circuit 806.Can the system details uploaded to battery control unit BCU60 of real-time reception after battery safety management cell S CU80 works, battery safety management cell S CU80 verifies the information uploaded, battery control unit BCU60 whether reporting fault information is detected after treating et out of order, if there is information upload distortion or the not timely reporting fault of battery control unit BCU60, then send instructions under battery safety management cell S CU80 and restart battery control unit BCU60, if still cannot normally report after restarting n time, then report one-level alarm failure by MVB module 12, circular train system faulty condition, at utmost ensure that the safety of system.
Telesecurity monitoring unit RSCU90 comprises communication gate and read-out (containing far module).Wherein communication gate is communicated by CAN with battery control unit BCU60, receive the information of battery control unit BCU60, and send read-out to after transferring information integration process to 485 communications, after read-out receives the information of communication gate, by the main information display after process on a display screen, details are sent to server by the far module that read-out is subsidiary simultaneously, realize server access read system information, responsible person concerned can be notified by the SMS very first time after failure.
When Manual isolation switch 11 is mainly used in installation and maintenance, parting system is with outside high-voltage electrical apparatus loop, guarantees the personal security in installation and maintenance situation.Manual isolation switch 11 adopts the withstand voltage model meeting system requirements, and product overcurrent capability meets maximum current output demand.
Train traction lithium battery energy storage battery system handed over by rail of the present invention, and its specific works flow process is as follows:
After system obtains the DC power supply of outside 110V, BCU60, SCU80, LECU20 start working, and carry out self-inspection, and self-inspection controls adhesive main contactor 50 by rear BCU60, and now whole system can realize discharge and recharge.In the normal mode of operation, BCU60, SCU80, LECU20 etc. carry out information acquisition to battery, and send information to train by MVB network, and train controls the discharge and recharge of whole closed-centre system according to the battery information that MVB network is uploaded.SCU80 Real-Time Monitoring transmission data validity, when detect data distortion or can not and alarm after, SCU80 restarts BCU60, continuous cannot normally work for n time after, by CAN send one-level report to the police, guarantee system safe operation.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a train traction car lithium battery closed-centre system handed over by rail, it is characterized in that, comprises:
The group of battery modules that the multiple dynamic lithium battery of connection in series-parallel (10) is formed, in the electric loop of access car lithium battery closed-centre system, as stored energy output unit;
Battery control unit (60), carry out process to other unit in car lithium battery closed-centre system to its information uploaded to integrate, and receive the hard signal that outside train sends to it, by operational system control policy, car lithium battery closed-centre system is controlled;
MVB module (12), realizes the communication of battery control unit (60) and outside train;
Multiple bottom electronic control unit (20), the battery information of the dynamic lithium battery (10) that respective collection is corresponding, to the balanced management carrying out battery after battery information calculation process, and battery control unit (60) is sent to by battery information to carry out process integration;
Main contactor (50), accesses in described electric loop; When battery control unit (60) controls described main contactor (50) adhesive, electric loop is connected and is enable group of battery modules carry out discharge and recharge, or when battery control unit (60) controls described main contactor (50) disconnection, electric loop disconnects.
2. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises DC-DC module (70) further, and the direct supply receiving the input of outside train is powered to battery control unit (60);
Described DC-DC module (70) comprises two-way DC-DC voltage module, respectively shares the load of 50% when normal work;
The power output end that each described DC-DC voltage module is arranged is configured with diode;
The state output end that each described DC-DC voltage module is arranged, sends to battery control unit (60) by the status information of this DC-DC voltage module;
When any one DC-DC voltage module is abnormal, abnormal DC-DC voltage module is cut, and transmits breakdown signal to battery control unit (60); The DC-DC voltage module of non-fault is with whole power stage.
3. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises battery safety management unit (80) further, and the system information that real-time reception battery control unit (60) is uploaded verifies, battery control unit (60) the whether reporting fault information after detection failure occurs;
Detect battery control unit (60) information upload distortion or battery control unit (60) not in time reporting fault information time, send instructions under described battery safety management unit (80) and restart battery control unit (60); When battery safety management unit (80) still cannot normally work after restarting set point number, report one-level alarm failure by MVB module (12) to train.
4. car lithium battery closed-centre system as claimed in claim 3, is characterized in that,
Described battery control unit (60) is communicated with battery safety management unit (80) by CAN and rigid line;
Described battery safety management unit (80) comprises MCU chip (801), and the hard signal circuit (802) be attached thereto respectively, contactor control circuit (803), feed circuit (804), warning circuit (805), communication circuit (806).
5. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises telesecurity monitoring unit (90) further, wherein be provided with the communication gate that CAN connects battery control unit (60), be used for receiving battery control unit (60) system information that sends to it, and send read-out to and show; Described read-out is accompanied with far module and the system information received is sent to server.
6. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises current sensor (40) further, detects the electric current of electric loop, and the current information collected is sent to battery control unit (60) by CAN; The current information that described battery control unit (60) is uploaded according to current sensor (40) is monitored, and controls electric loop disconnection when current value trigger protection value.
7. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises wire fuse (30) further, is separately positioned on electric loop positive and negative busbar.
8. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described car lithium battery closed-centre system comprises the Manual isolation switch (11) of access electric loop further, is disconnected by electric loop when installation and maintenance.
9. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described dynamic lithium battery (10) is ferric phosphate lithium cell, or ternary lithium cell, or lithium manganate battery;
The pattern of described dynamic lithium battery (10) is cylindrical battery, or rectangular cell, or soft-package battery.
10. car lithium battery closed-centre system as claimed in claim 1, is characterized in that,
Described bottom electronic control unit (20) gathers voltage, the temperature information of dynamic lithium battery (10) by sample circuit, the battery information collected is sent to micro-control unit that this bottom electronic control unit (20) arranges to carry out processing and the balanced management of battery, and by the CAN that several bottom electronic control units (20) share, battery information is transferred to battery control unit (60).
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| CN201510895893.5A CN105365598B (en) | 2015-12-08 | 2015-12-08 | A kind of rail friendship train traction car lithium battery energy-storage system |
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| CN201510895893.5A CN105365598B (en) | 2015-12-08 | 2015-12-08 | A kind of rail friendship train traction car lithium battery energy-storage system |
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| CN111137324A (en) * | 2018-11-06 | 2020-05-12 | 株洲中车时代电气股份有限公司 | Train and traction control system and method thereof |
| CN114527399A (en) * | 2020-11-05 | 2022-05-24 | 保时捷股份公司 | Method and system for safely designing an alternating current battery |
| CN112448469A (en) * | 2020-11-06 | 2021-03-05 | 株洲中车时代电气股份有限公司 | Battery redundancy control system |
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| CN105365598B (en) | 2018-08-07 |
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