CN108674214A - A kind of low-floor tramcar vehicle-mounted power management system - Google Patents
A kind of low-floor tramcar vehicle-mounted power management system Download PDFInfo
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- CN108674214A CN108674214A CN201810314996.1A CN201810314996A CN108674214A CN 108674214 A CN108674214 A CN 108674214A CN 201810314996 A CN201810314996 A CN 201810314996A CN 108674214 A CN108674214 A CN 108674214A
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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
-
- 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
-
- 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
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- 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
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
A kind of low-floor tramcar vehicle-mounted power management system, which is characterized in that including：Control unit realizes the equalization function of the measurement to the voltage, temperature parameter of electric capacity module and monomer and voltage；Power-supply controller of electric CMS, the data information and detecting system status data and receive the control instruction that entire car controller VCU is assigned that each power control unit uploads are acquired in real time, and control decision is carried out according to corresponding control strategy, node control instruction is exported and adjusted in real time, realizes the supervision, control and management to each component in system；Power-supply controller of electric CMS is transmitted by CAN bus realization information collection, information with each control unit and control and protection to each control unit；Power-supply controller of electric CMS is interconnected and form internal system communication with control unit, and is connected with entire car controller VCU, by the real time information of power-supply system and failure and entire car controller VCU intercommunications.
Description
Technical field
The present invention relates to low-floor tramcar, especially a kind of low-floor tramcar vehicle-mounted power management system.
Background technology
In track transportation industry, battery management system cannot monitor accumulator box internal work environment in real time,
Battery-operated state cannot be controlled rationally, it is difficult to ensure shelf life and the safety of battery system.
Invention content
Technical problem to be solved by the invention is to provide a kind of low-floor tramcar vehicle-mounted power management systems, solve
Technical problem of the existing technology.
In order to solve the above technical problems, technical scheme of the present invention：A kind of low-floor tramcar vehicle power supply management
System, including：
Control unit realizes the equalization function of the measurement to the voltage, temperature parameter of electric capacity module and monomer and voltage；
Power-supply controller of electric CMS acquires data information and detecting system status data that each power control unit uploads in real time
And receive the control instruction that entire car controller VCU is assigned, and control decision is carried out according to corresponding control strategy, it exports and real
When adjust node control instruction, realize supervision, control and management to each component in system；
Power-supply controller of electric CMS realizes that information collection, information are transmitted and to each control with each control unit by CAN bus
The control and protection of unit processed；Power-supply controller of electric CMS is interconnected and form internal system communication, and and entire car controller with control unit
VCU is connected, by the real time information of power-supply system and failure and entire car controller VCU intercommunications.
As an improvement, the communications protocol of power-supply controller of electric CMS and entire car controller VCU adopts CANopen agreements, baud rate is set
It is set to 250k.
As an improvement, the input interface of the power-supply controller of electric CMS includes total voltage signal imitation input port, charging or discharging current
Signal imitation input port, fan-status numeral input mouth, contactor status signal numeral input mouth, 24V power inlets and CAN
Signal input；The output interface of power-supply controller of electric CMS includes CAN signal delivery outlet.
As an improvement, the input interface of described control unit includes monomer terminal voltage simulation input mouth, module terminal voltage mould
Quasi- input port, 12 section monomer voltage simulation input mouths, module temperature simulation input mouth, 24V power inlets and CAN signal input
Mouthful, the output interface of control unit includes CAN signal delivery outlet.
As an improvement, the control strategy of power-supply controller of electric CMS：
(1) information processing：The module information that power-supply controller of electric CMS reception control units upload carries out processing analysis conduct
The foundation of breakdown judge, calculates the mean temperature of module, and detecting system total voltage, contactor and cooling fan state will be
System operation data is transferred to entire car controller VCU；
(2) system operation data is handled：Power-supply controller of electric CMS will the relevant information come up of acquisition, including it is system voltage, flat
Equal temperature, SOC value and contactor and cooling fan status information are uploaded to entire car controller VCU；
(3) system alarm is handled：Power-supply controller of electric CMS analyzes control unit and the data of detection, judges system
Whether break down；
(4) module alarming processing：Power-supply controller of electric CMS analyzes control unit and the data of detection, judges system
Whether interior module breaks down；
(5) monomer alarming processing：Power-supply controller of electric CMS analyzes control unit and the data of detection, judges system
Whether interior monomer breaks down；
(6) node control：Positive and negative contactor conducting contact node control, positive and negative contactor conducting contact are not powering on shape
State is defaulted as off-state, and node control is divided according to the fault level of system；Radiator fan node control, power-supply controller of electric
CMS has 4 transportation work styles to fan control node, according to the high pass of the module temperature control node of control unit acquisition or shutdown.
As an improvement, the control strategy of power control unit：
(1) control unit information processing：Control unit is to the monomer voltage acquisition in module, temperature acquisition, by these realities
When the signal that acquires be uploaded to power-supply controller of electric CMS；
(2) control unit is acquired each monomer voltage, calculates, compares；The voltage of each capacitance monomer is carried out equal
Weighing apparatus.
The beneficial effect of the invention compared with the existing technology is：
Low-floor vehicle-mounted power management system realizes that the operation to power-supply system is supervised by network, rigid line and logic control
Survey, status monitoring and fault diagnosis carry out integrated treatment, it is using CAN bus technology the control list for being distributed in power-supply system
Member interconnects to form LAN, to realize resource-sharing, collaborative work, decentralized detection and the purpose of centralized operation；Power supply pipe
Reason system CMS is transmitted by CAN bus realization information collection, information with each control unit and the control to each control unit
And protection, it realizes analyzing logic control, fault diagnosis and defencive function, accomplishes the safe operation of system.
Description of the drawings
Fig. 1 is system CAN network topological diagram.
Fig. 2 is power-supply controller of electric input and output block diagram.
Fig. 3 unit input and output block diagrams in order to control.
Fig. 4 unit main flow charts in order to control.
Fig. 5 cell data process charts in order to control.
Fig. 6 unit equilibrium flow charts in order to control.
Fig. 7 is the balanced flow chart of module 1~4.
Fig. 8 is the balanced flow chart of module 5~6.
Fig. 9 is the balanced flow chart of module 7~8.
Figure 10 is power-supply controller of electric main flow chart.
Figure 11 is system operation data process flow.
Figure 12 is system alarm process chart.
Figure 13 is module alarming processing flow chart.
Figure 14 is monomer alarming processing flow chart.
Figure 15 is contactor node control flow chart.
Figure 16 is cooling fan node control flow chart.
Specific implementation mode
The invention is further explained in the following combination with the attached drawings of the specification.
A kind of low-floor tramcar vehicle-mounted power management system, the present invention describe 70% low-floor tramcar vehicle mounted electric
Source control system control specification, comprising the monitoring of voltage temperature state parameter, analyzing logic control, state-of-charge (SOC) monitor, it is defeated
Egress control, fault diagnosis, record and protection etc. content.
Low-floor vehicle-mounted power management system realizes that the operation to power-supply system is supervised by network, rigid line and logic control
It surveys, status monitoring and fault diagnosis carry out integrated treatment.It is using CAN bus technology the control list for being distributed in power-supply system
Member interconnects to form LAN, to realize resource-sharing, collaborative work, decentralized detection and the purpose of centralized operation
As shown in Figure 1, system uses advanced control based on network technology, power-supply management system CMS logical with each control unit
It crosses CAN bus and realizes that information collection, information is transmitted and control and protection to each control unit, realization analyzing logic control,
Fault diagnosis and defencive function accomplish the safe operation of system.Power-supply controller of electric CMS is interconnected and form system with power control unit
Internal communication, and be connected with full-vehicle control unit VCU, by the real time information of power-supply system and failure and VCU intercommunications.
Because fieldbus usually includes only a network segment, CAN bus defines only physical layer and data link layer.
CAN bus needs a standardized application layer protocol to define the use of the identifier, 8 byte datas of CAN message.
CANopen is a kind of widely used CAN bus application layer protocol, and the communication of power-supply controller of electric CMS and entire car controller VCU is assisted
View adopts CANopen agreements, Configuration of baud rate 250k.
As shown in Fig. 2, power-supply controller of electric CMS is installed in each power-supply system cabinet, 27 control units are controlled.It is described
The input interface of power-supply controller of electric CMS includes total voltage signal imitation input port, charge/discharge current signal simulation input mouth, fan-shaped
State numeral input mouth, contactor status signal numeral input mouth, 24V power inlets and CAN signal input port；Power-supply controller of electric
The output interface of CMS includes CAN signal delivery outlet.
As shown in figure 3, the input interface of described control unit includes monomer terminal voltage simulation input mouth, module terminal voltage mould
Quasi- input port, 12 section monomer voltage simulation input mouths, module temperature simulation input mouth, 24V power inlets and CAN signal input
Mouthful, the output interface of control unit includes CAN signal delivery outlet.
Power-supply controller of electric CMS acquires the data letter that each control unit uploads as the control axis of power-supply management system in real time
Breath and detecting system status data and receive the control instruction that entire car controller VCU is assigned, and according to corresponding control strategy
Control decision is carried out, node control instruction is exported and adjust in real time, realizes the supervision, control to each component in system and management work(
Energy.
Power-supply controller of electric CMS manages 27 control units, under data and entire car controller VCU that reception control unit uploads
The control command reached.The positive and negative contactor and radiator fan of power-supply system are controlled according to the order and data analysis result assigned.
Power-supply controller of electric can acquire system total voltage, electric current, contactor state and the cooling fan shape of current system by directly acquiring
State.As shown in Figure 10, the control strategy of power-supply controller of electric CMS：
(1) system initialization：When power switch is closed, power-supply controller of electric CMS and control unit obtain it is electric, voluntarily start be
System initialization；
(2) self-test：Self-test is carried out after power-supply controller of electric obtains electric initialization, self-test content includes：
1) fault self-checking；
2) positive and negative contactor fault self-checking：When the machine of rising, contactor state is defaulted as disconnecting, if detecting state is to be closed (i.e.
The set of contactor state), it is contactor fault-signal set；
3) fan trouble detects：The air-blower control instruction (wind turbine 1~4 controls signal set) that VCU is assigned is received, is checked
Fan condition signal whether set；If without set, makes corresponding fan trouble signal set, the wind that VCU is assigned is received after 5s
Machine control instruction (wind turbine 1~4 controls signal reset)；
(3) information processing：The module information that power-supply controller of electric CMS reception control units upload carries out processing analysis conduct
The foundation of breakdown judge, calculates the mean temperature of module, and detecting system total voltage, contactor and cooling fan state will be
System operation data is transferred to entire car controller；
(4) as shown in figure 11, system operation data is handled：The relevant information that power-supply controller of electric CMS comes up acquisition, including
The relevant informations such as system voltage, mean temperature, SOC value and contactor and cooling fan state are uploaded to entire car controller VCU；
(5) as shown in figure 12, system alarm is handled：Power-supply controller of electric CMS divides control unit and the data of detection
Analysis, judges whether system breaks down；After system initialization：1. judging whether total voltage is over-pressed, alarm is sent out if overvoltage
And contactor is disconnected after 30S；2. judging whether total voltage is under-voltage, contactor is disconnected after alarm and 30S are sent out if under-voltage；③
Judge total voltage overvoltage early warning, if it is sends out alarm；4. judging the under-voltage early warning of total voltage, alarm is if it is sent out；⑤
Judge that total voltage and calculating voltage differences are excessive, if it is sends out alarm；6. judging monomer voltage failure, if it is send out
It alerts and disconnects contactor immediately；7. judging module overtemperature failure, if it is sending out alarm and disconnecting contactor immediately；8. sentencing
Disconnected SOC alarms, disconnect contactor, if electric braking is forbidden in SOC high early warning, if being disconnected after the low 30S of SOC if SOC high after 30S
Contactor, the reported data if the low early warning of SOC；9. judging fan trouble；10. judging contactor failure, positive contactor or negative contact
Device failure then disconnects contactor immediately；
(6) as shown in figure 13, module alarming processing：Power-supply controller of electric CMS divides control unit and the data of detection
Analysis, judges whether module breaks down in system；After system initialization, 1. judges module overvoltage, if it is send out alarm, on
Monomer ceiling voltage in module number, module voltage, module temperature, module, corresponding monomer number are passed, then disconnects and connecing after 30S
Tentaculum；2. judging that module is under-voltage, alarm is if it is sent out, is uploaded single in module number, module voltage, module temperature, module
Body ceiling voltage, corresponding monomer number, then disconnect contactor after 30S；3. judging module overvoltage early warning, announcement is if it is sent out
It is alert, upload monomer ceiling voltage in module number, module voltage, module temperature, module, corresponding monomer number；4. judging module
Under-voltage early warning, if it is sends out alarm, upload monomer ceiling voltage in module number, module voltage, module temperature, module,
Corresponding monomer number；5. judging module excess temperature, if it is send out alarm, upload module number, module voltage, module temperature,
Monomer ceiling voltage, corresponding monomer number in module；6. judging module excess temperature early warning, alarm is if it is sent out, uploads module
Monomer ceiling voltage, corresponding monomer number in number, module voltage, module temperature, module；7. judging control unit failure, such as
Fruit is to send out alarm, and contactor is disconnected after 30S；8. judging that module consistency is poor, alarm is if it is sent out,
(7) as shown in figure 14, monomer alarming processing：Power-supply controller of electric CMS divides control unit and the data of detection
Analysis, judges whether monomer breaks down in system；After system initialization, 1. judges monomer overvoltage, if it is send out alarm, on
Module number, module voltage, module temperature, monomer voltage, monomer are numbered where passing, and contactor is disconnected after 30S；2. judging monomer
It is under-voltage, alarm is if it is sent out, module number, module voltage, module temperature, monomer voltage, monomer number where uploading,
Contactor is disconnected after 30S；3. judging monomer overvoltage early warning, alarm is if it is sent out, module number, module electricity where uploading
Pressure, module temperature, monomer voltage, monomer number；4. judging the under-voltage early warning of monomer, alarm is if it is sent out, mould where uploading
Group #, module voltage, module temperature, monomer voltage, monomer number；5. judging that module consistency is poor, announcement is if it is sent out
It is alert.
(8) node control：
1) as shown in figure 15, positive and negative contactor conducting contact node control, positive and negative contactor conducting contact are not powering on
State is defaulted as off-state, and node control is divided according to the fault level of system；
2) as shown in figure 16, radiator fan node control, power-supply controller of electric CMS has 4 transportation work styles to fan control node, according to control
The high pass of the module temperature control node of unit acquisition or shutdown.
Fundamental power supply of the control unit as power-supply management system is responsible for the voltage to electric capacity module and monomer, temperature
Etc. the measurement of parameters and the equalization function of voltage；As shown in figure 4, the control strategy of control unit：
(1) system initialization：When power switch is closed, power-supply controller of electric and power control unit obtain electric, voluntarily start
System initialization；
(2) self-test：Self-test is carried out after control unit obtains electric initialization, self-test content includes：
1) fault self-checking；
2) positive and negative contactor fault self-checking：When the machine of rising, contactor state is defaulted as disconnecting, if detecting state is to be closed (i.e.
The set of contactor state), it is contactor fault-signal set；
3) fan trouble detects：The air-blower control instruction (wind turbine 1~4 controls signal set) that VCU is assigned is received, is checked
Fan condition signal whether set；If without set, makes corresponding fan trouble signal set, the wind that VCU is assigned is received after 5s
Machine control instruction (wind turbine 1~4 controls signal reset)；
(3) as shown in figure 5, control unit information processing：Control unit adopts the monomer voltage acquisition in module, temperature
Collection, power-supply controller of electric is uploaded to by the signal that these are acquired in real time；
(4) as shown in fig. 6, control unit equilibrium treatment：Control unit is acquired each monomer voltage, calculates, compares；
The voltage of each capacitance monomer is carried out balanced；1. judging 65 DEG C of control plate temperature ＞, all balance modules are if it is closed,
2. if not then step；2. judgement is connected to pressure equalization instruction, balanced mode is if it is forced, if not then step
③；3. module 1~4 as shown in Figure 7 is balanced, module 5~6 as shown in Figure 8 is balanced, and module 7~8 as shown in Figure 9 is balanced；4. judging
Adjacent 2 section pressure difference ＞ 0.0V, balance module where if it is closing, 5. if not then step；5. judging 2 section voltages and phase
2 economize on electricity pressure difference ＞ 0.75V of neighbour, balance module where if it is closing, 6. if not then step；6. judge 4 section voltages with
Adjacent 2 economize on electricity pressure difference ＞ 1.5V, balance module where if it is closing, 7. if not then step；7. judging that module is always electric
＜ 15V are pressed, balance module where if it is closing, if not then terminating.
Claims (6)
1. a kind of low-floor tramcar vehicle-mounted power management system, which is characterized in that including：
Control unit realizes the equalization function of the measurement to the voltage, temperature parameter of electric capacity module and monomer and voltage；
Power-supply controller of electric CMS, acquire in real time data information and detecting system status data that each power control unit uploads and
Receive the control instruction that entire car controller VCU is assigned, and control decision is carried out according to corresponding control strategy, exports and adjust in real time
Control instruction is put successively, realizes supervision, control and management to each component in system；
Power-supply controller of electric CMS realizes that information collection, information are transmitted and to each control list with each control unit by CAN bus
The control and protection of member；Power-supply controller of electric CMS and control unit are interconnected and form internal system communication, and with entire car controller VCU
It is connected, by the real time information of power-supply system and failure and entire car controller VCU intercommunications.
2. a kind of low-floor tramcar vehicle-mounted power management system according to claim 1, it is characterised in that：Power supply control
The communications protocol of device CMS processed and entire car controller VCU adopts CANopen agreements, Configuration of baud rate 250k.
3. a kind of low-floor tramcar vehicle-mounted power management system according to claim 1, it is characterised in that：The electricity
The input interface of source controller CMS includes total voltage signal imitation input port, charge/discharge current signal simulation input mouth, fan-status
Numeral input mouth, contactor status signal numeral input mouth, 24V power inlets and CAN signal input port；Power-supply controller of electric
The output interface of CMS includes CAN signal delivery outlet.
4. a kind of low-floor tramcar vehicle-mounted power management system according to claim 1, it is characterised in that：The control
The input interface of unit processed includes monomer terminal voltage simulation input mouth, module terminal voltage simulation input mouth, 12 section monomer voltage moulds
Quasi- input port, module temperature simulation input mouth, 24V power inlets and CAN signal input port, the output interface packet of control unit
Include CAN signal delivery outlet.
5. a kind of low-floor tramcar vehicle-mounted power management system according to claim 1, it is characterised in that：Power supply control
The control strategy of device CMS processed：
(1) information processing：The module information that power-supply controller of electric CMS reception control units upload carries out processing analysis and is used as failure
The foundation of judgement, calculates the mean temperature of module, and detecting system total voltage, contactor and cooling fan state transport system
Row data are transferred to entire car controller VCU；
(2) system operation data is handled：The relevant information that power-supply controller of electric CMS comes up acquisition, including system voltage, average temperature
Degree, SOC value and contactor and cooling fan status information are uploaded to entire car controller VCU；
(3) system alarm is handled：Power-supply controller of electric CMS analyzes control unit and the data of detection, whether judges system
It breaks down；
(4) module alarming processing：Power-supply controller of electric CMS analyzes control unit and the data of detection, judges system internal model
Whether group breaks down；
(5) monomer alarming processing：Power-supply controller of electric CMS analyzes control unit and the data of detection, judges single in system
Whether body breaks down；
(6) node control：Positive and negative contactor conducting contact node control, positive and negative contactor conducting contact are silent in non-power-up state
Think that off-state, node control are divided according to the fault level of system；Radiator fan node control, power-supply controller of electric CMS have 4
Transportation work style fans control node, according to the high pass of the module temperature control node of control unit acquisition or shutdown.
6. a kind of low-floor tramcar vehicle-mounted power management system according to claim 1, it is characterised in that：Power supply control
The control strategy of unit processed：
(1) control unit information processing：These are adopted the monomer voltage acquisition in module, temperature acquisition by control unit in real time
The signal of collection is uploaded to power-supply controller of electric CMS；
(2) control unit is acquired each monomer voltage, calculates, compares；The voltage of each capacitance monomer is carried out balanced.
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