CN107257147A - A kind of monitoring management system and method based on lithium ion super electric capacity - Google Patents
A kind of monitoring management system and method based on lithium ion super electric capacity Download PDFInfo
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- CN107257147A CN107257147A CN201710515785.XA CN201710515785A CN107257147A CN 107257147 A CN107257147 A CN 107257147A CN 201710515785 A CN201710515785 A CN 201710515785A CN 107257147 A CN107257147 A CN 107257147A
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- super capacitor
- electric capacity
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims description 24
- 239000003990 capacitor Substances 0.000 claims abstract description 70
- 239000000178 monomer Substances 0.000 claims abstract description 64
- 239000000523 sample Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000001953 sensory effect Effects 0.000 claims description 3
- 238000011217 control strategy Methods 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0018—Circuits for equalisation of charge between batteries using separate charge circuits
-
- H02J7/0026—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of monitoring management system based on lithium ion super electric capacity, comprising：Active force loop, is in series by current sensor, fuse, super capacitor group, main positive contactor, total-pressure probe and DC/DC two way convertors；Active equalization unit, is connected with super capacitor group, and it is balanced actively to carry out monomer voltage to super capacitor group；Collecting unit, is connected respectively with super capacitor group and active equalization unit, and collecting unit gathers monomer voltage information and temperature information from super capacitor group, is instructed to active equalization unit forwards；Central control unit, it is connected respectively with collecting unit, current sensor, main positive contactor, total-pressure probe and DC/DC two way convertors, central control unit exchanges data and instruction with collecting unit and DC/DC two way convertors, receive the data from current sensor and total-pressure probe, the main positive contactor break-make of control.It is an advantage of the invention that the control strategy of general control super capacitor group, the charge and discharge of control on demand super capacitor group is electrically operated.
Description
Technical field
The present invention relates to track traffic technical field of energy recovery, and in particular to a kind of prison based on lithium ion super electric capacity
Keyholed back plate manages system and method.
Background technology
Lithium ion super electric capacity, i.e., on the basis of conventional double electric capacity, the new technique using the embedding lithium ion of negative pole is manufactured
, it is a kind of extraordinary electric capacity dedicated for fields such as energy storage grown up in recent years, is between conventional Super electric capacity
A kind of new type of energy storage device between lithium battery characteristic.Compared with traditional super capacitor, the energy storage of lithium ion super electric capacity
Density is higher, volume is smaller, leakage current is smaller, service life cycle is long, and its ultimate life used that charges repeatedly can reach
More than 1000000 times, widely, practical value is higher in applicable field.
Because lithium ion super electric capacity is a kind of novel energy-storing device between conventional Super electric capacity and lithium battery characteristic
Part, so it has taken into account the complete characteristic of conventional Super electric capacity and lithium battery, including linear charging and discharging curve, instantaneous big electricity simultaneously
The features such as current charge, frequent loop cycle etc..Also to prevent charging overvoltage and discharge it is under-voltage, to prevent temperature it is too high and too low,
The security feature such as prevent charging and discharging currents excessive.
Super capacitance management system is typically just acquired to the voltage and temperature of super capacitor monomer in the prior art,
The foundation protected as super capacitor group is uploaded to charger or two way convertor, but can not meet every necessary simultaneously
Defencive function, both can not carry out active equalization, it is impossible to avoid or prevent super capacitor list in time to the voltage of super capacitor monomer
Body overcharges or crossed the phenomenon put, it is impossible to avoid or prevent in time the phenomenon of super capacitor monomer discharge and recharge excessively stream, and system safely may be used
It is low by property, there is potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of monitoring management system based on lithium ion super electric capacity and method, supervise in real time
The voltage and the temperature of super capacitor group of each monomer of super capacitor group, and control system discharge and recharge are controlled, exception is occurring
In the case of and alarm or protection, improve the security and reliability of super capacitor and overall vehicle.
A kind of monitoring management system based on lithium ion super electric capacity, comprising：
Active force loop, by for the current sensor of sensory current information, fuse, super capacitor group, main positive contactor, use
It is in series in the total-pressure probe and DC/DC two way convertors for receiving total voltage information, wherein, super capacitor group is by several
Monomer lithium-ion capacitance is in series；
Active equalization unit, is connected with super capacitor group；
Collecting unit, is connected respectively with super capacitor group and active equalization unit, and collecting unit gathers monomer from super capacitor group
Information of voltage and temperature information；
Central control unit, it is two-way with collecting unit, current sensor, main positive contactor, total-pressure probe and DC/DC respectively
Current transformer is connected；Central control unit sends equalization instruction according to monomer voltage information to collecting unit, from collecting unit to master
Dynamic balanced unit forwarding equalization instruction, it is balanced that active equalization unit carries out monomer voltage according to equalization instruction to super capacitor group；
Central control unit controls DC/DC two way convertors 9 according to monomer voltage information, temperature information, current information and stagnation pressure information
Stop discharge and recharge；Central control unit controls the on off operating mode of main positive contactor according to the controlled case of DC/DC two way convertors；
Central control unit controls the mode of operation of DC/DC two way convertors.
A kind of above-mentioned monitoring management system based on lithium ion super electric capacity, wherein, the collecting unit, active equalization
Unit and super capacitor group are with 1:1:1 proportional arrangement；The collecting unit, active equalization unit and super capacitor group have respectively
Several；Connected between several collecting units by bus.
A kind of above-mentioned monitoring management system based on lithium ion super electric capacity, wherein, the collecting unit is specifically included：
High_voltage isolation module, is connected with the super capacitor group；
A/D modular converters, are connected with the high_voltage isolation module, and all kinds of letters of super capacitor group are gathered by high_voltage isolation module
Cease and be converted to digital information；
MCU module, is connected with the A/D modular converters, the equalization instruction that processing A/D modular converters are received；It is equal with the active
The unit bus that weighs connection, forwards equalization instruction；
Communication isolation module, input is connected with MCU module, and output end is connected with central control unit, transmits super capacitor group
Information and equalization instruction.
A kind of above-mentioned monitoring management system based on lithium ion super electric capacity, wherein, each super capacitor group includes 12
Individual monomer lithium ion super electric capacity, collecting unit only gathers the real time temperature of wherein arbitrary portion monomer.
A kind of method for managing and monitoring based on lithium ion super electric capacity, central control unit is passed by collecting unit, electric current
Sensor and total-pressure probe are read the status information in active force loop by the cycle, and the control process in each cycle is as follows：
S1, central control unit set monitoring threshold values；
S2, central control unit read active force loop state information；
S3, central control unit judge respectively：
Whether the charging voltage of each monomer lithium ion super electric capacity is balanced, such as unbalanced, then performs S4, otherwise perform S7；
Whether the voltage of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether the temperature of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether active force loop charging and discharging currents exceed threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether the total charging/discharging voltage of super capacitor group exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether DC/DC two way convertors are controlled, as uncontrolled, perform S6, otherwise perform S7；
S4, by active equalization unit perform active equalization operate；
It is electrically operated that S5, DC/DC two way convertor stop charge and discharge；
S6, main positive contactor disconnect, so that active force loop disconnects；
S7, without any operation.
The monitoring threshold values set in a kind of above-mentioned method for managing and monitoring based on lithium ion super electric capacity, the step S1
Including：
Threshold values is opened in monomer equilibrium；
Monomer overvoltage protection threshold values；
Monomer under-voltage protection threshold values；
Excess temperature threshold values；
Discharge and recharge excessively stream threshold values；
Discharge and recharge stagnation pressure threshold values.
In a kind of above-mentioned method for managing and monitoring based on lithium ion super electric capacity, the step S3, the continuous multicycle is sentenced
Determine active force loop charging and discharging currents and just perform S5 more than threshold values, otherwise perform S7.
In a kind of above-mentioned method for managing and monitoring based on lithium ion super electric capacity, the step S3, the continuous multicycle is sentenced
Determine the total charging/discharging voltage of super capacitor group and just perform S5 more than threshold values, otherwise perform S7.
In a kind of above-mentioned method for managing and monitoring based on lithium ion super electric capacity, the step S3, judge monomer lithium from
Whether the voltage of sub- super capacitor comprises determining whether to exceed monomer overvoltage protection threshold values and monomer under-voltage protection more than threshold values
Threshold values.
The advantages of the present invention are：
（1）The control strategy of general control super capacitor group, the charge and discharge of control on demand super capacitor group is electrically operated.
（2）In real time in collection super capacitor group each monomer voltage and super capacitor group temperature, improve system when
Effect property.
（3）Main positive contactor and fuse are sealed in active force loop, to prevent from overcharging due to super capacitor group, mistake
Put, super capacitor group caused by excess temperature, excessively stream and external short circuit etc. is damaged, or even the potential safety hazard such as blast on fire, play and escort
The effect of convoy.
（4）The features such as active equalization unit has initiative, high current, periodicity, improves the stabilization of super capacitor group
Property and the life cycle for extending super capacitor group.
（5）The transmission of signal uses bus communication mode, improves the compatibility and stability of monitoring management system.
Brief description of the drawings
Fig. 1 is the annexation figure of the present invention.
Fig. 2 is the central processing unit control process schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As shown in figure 1, in energy recycle device that is basic, being made up of super capacitor group 6 and DC/DC two way convertors 9
In concatenate into current sensor 4 be used for monitoring circuit electric current；Concatenate is used for overcurrent protection into fuse 5；Concatenation becomes owner of positive contact
Device 7 is used for abnormal protection；Concatenate the global voltage for monitoring super capacitor group 6 into total-pressure probe 8.Add with center control
Unit 1 processed is some monitoring units of core, and the control strategy of the monitoring management system of the general control present invention, control on demand surpasses
The charge and discharge of level capacitance group 6 is electrically operated.
A kind of monitoring management system based on lithium ion super electric capacity, comprising active force loop, active equalization unit 3, is adopted
Collect unit 2 and central control unit 1.
Active force loop, by just being connect for the current sensor 4 of sensory current information, fuse 5, super capacitor group 6, master
Tentaculum 7, the total-pressure probe 8 for receiving total voltage information and DC/DC two way convertors 9 are in series.Wherein, super capacitor
Group 6, is in series by several monomer lithium-ion capacitances, wherein selecting several monomer lithium-ion capacitances again sets TEMP
Device.Optimal embodiment be comprising 12 monomer lithium-ion capacitances in each capacitance group, wherein, first, fourth, eight, 12 lists
Temperature sensor is set on body.Another embodiment can be comprising 12 monomer lithium-ion capacitances in each capacitance group, wherein,
Secondth, five, nine, temperature sensor is set on 12 monomers.Can certainly be in capacitance group comprising 16 monomer lithiums from
Sub- electric capacity, wherein, first, six, temperature sensor is set on 12 monomers.
Active equalization unit 3, is connected with the bus of super capacitor group 6, and it is equal actively to carry out monomer voltage to super capacitor group 6
Weighing apparatus, with super capacitor group 6 with 1:1 proportional arrangement.
Collecting unit 2, is connected, collecting unit 2 is from super electricity with super capacitor group 6 and the difference bus of active equalization unit 3
Appearance group 6 gathers monomer voltage information and temperature information, and is converted into data signal；Forward and instruct to active equalization unit 3, with surpassing
Level capacitance group 6 and active equalization unit 3 are with 1：1：1 proportional arrangement.
The collecting unit 2 is specifically included：
High_voltage isolation module, is connected with the super capacitor group 6；
A/D modular converters, are connected with the high_voltage isolation module, and all kinds of of super capacitor group 6 are gathered by high_voltage isolation module
Information is simultaneously converted to digital information；
MCU module, is connected with the A/D modular converters, the equalization instruction that processing A/D modular converters are received；It is equal with the active
The bus of unit 3 that weighs connection, forwards equalization instruction；
Communication isolation module, input is connected with MCU module, and output end is connected with central control unit 1, transmits equalization instruction.
It can also be several that the combination of collecting unit 2, active equalization unit 3 and super capacitor group 6, which can be one, root
The capacitance needed according to system is determined.Connected between several collecting units 2 and between central control unit 1 by bus
Connect, a kind of preferred bus is CAN.
Central control unit 1, respectively with collecting unit 2, current sensor 4, main positive contactor 7, total-pressure probe 8 and
The bus of DC/DC two way convertors 9 is connected.
Central control unit 1 is connected with the bus of collecting unit 2, receives monomer voltage information and temperature from collecting unit 2
Information is spent, equalization instruction is sent to collecting unit 2 when monomer voltage is unbalanced, from collecting unit 2 to 3 turns of active equalization unit
Equalization instruction is sent out, it is balanced that active equalization unit 3 carries out monomer voltage according to equalization instruction to super capacitor group 6；Work as monomer voltage
DC/DC two way convertors 9 send instruction when too high or too low, stop discharge and recharge, when temperature is too high to DC/DC two way convertors
9 send instruction, stop discharge and recharge.
Central control unit 1 is connected with the bus of current sensor 4, the current information in active force loop is received, when electric current mistake
When big, the main positive contactor 7 of control disconnects.Wherein, what current sensor 4 was exported is 0 ~ 5 data signal.
Central control unit 1 is connected with the main positive bus of contactor 7, by the analysis to each road information, the main positive contact of control
The on off operating mode of device 7.
Central control unit 1 is connected with the bus of total-pressure probe 8, the total voltage information of super capacitor group 6 in reception system,
When voltage is excessive, the main positive contactor 7 of control disconnects.Wherein, what total-pressure probe 8 was exported is 0 ~ 5V data signal.
Central control unit 1 is connected with the bus of DC/DC two way convertors 9, the DC sent according to DC/DC two way convertors 9
The mode of operation of busbar voltage information control DC/DC two way convertors 9.If DC bus magnitude of voltage is more than preset value, then center control
The control DC/DC of unit 1 two way convertors 9 processed charge to super capacitor group 6, and DC/DC two way convertors 9 are operated in decompression mode；
Such as DC bus magnitude of voltage is less than preset value, then the control DC/DC of central control unit 1 two way convertors 9 are put to super capacitor group 6
Electricity, DC/DC two way convertors 9 are operated in boost mode.
The similar controlled switch of positive contactor 7 is wherein led, controlled end is controlled by central control unit 1, when controlled end is " logical "
When, main positive contactor 7 is turned on, the conducting of active force loop, and when controlled end is " disconnected ", main positive contactor 7 disconnects, active force loop
Disconnect.
A kind of method for managing and monitoring based on lithium ion super electric capacity, central control unit 1 is logical by bus with each part
Letter, a kind of preferred bus is CAN.
Central control unit 1 reads active force by the cycle by collecting unit 2, current sensor 4 and total-pressure probe 8 and returned
Status information in road, the control process in each cycle is as follows：
S1, central control unit 1 set various monitoring threshold values；
S2, central control unit 1 read in active force loop status information everywhere；
S3, central control unit 1 judge respectively：
Whether the charging voltage of each monomer lithium ion super electric capacity is balanced, such as unbalanced, then performs S4, otherwise perform S7；
Whether the voltage of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether the temperature of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether active force loop charging and discharging currents exceed threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether the total charging/discharging voltage of super capacitor group 6 exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether DC/DC two way convertors 9 are controlled, as uncontrolled, perform S6, otherwise perform S7；
S4, active equalization performed by active equalization unit 3 operated, the equalization operation includes high current, periodicity balanced discharge,
Equalization operation recovers conventional charge and discharge process after terminating；
The stopping charge and discharge of S5, DC/DC two way convertor 9 is electrically operated, waits and recovers routine charge and discharge process after manual intervention and maintenance；
S6, main positive contactor 7 disconnect, so that active force loop disconnects；
S7, without any operation.
Central control unit 1 need to also in initialization to the two-way preset charge voltage value of DC/DC current transformers 9 and current value and
Discharge output voltage values and current value.
The monitoring threshold values set in the step S1 includes：
Threshold values is opened in monomer equilibrium；
Monomer overvoltage protection threshold values；
Monomer under-voltage protection threshold values；
Excess temperature threshold values；
Discharge and recharge excessively stream threshold values；
Discharge and recharge stagnation pressure threshold values.
In the step S3, the continuous multicycle judges that active force loop charging and discharging currents just perform S5 more than threshold values, otherwise
Perform S7.That is active force loop charging and discharging currents just perform S5 after remaining above threshold values for a period of time, to avoid grasping by mistake
Make.One proper time range is 80ms ~ 120ms.
In the step S3, judge whether in a balanced way method is for the charging voltage of each monomer lithium ion super electric capacity：Than
More all cell voltage values, find out minimum, then all cell voltage values are compared with this minimum, if pressure difference
Threshold values is opened more than monomer equilibrium, then central control unit 1 sends instructions to collecting unit 2 by CAN, then single by collection
Member 2 controls active equalization unit 3 monomer higher to voltage to carry out active equalization operation.
In the step S3, the continuous multicycle judges that the total charging/discharging voltage of super capacitor group 6 just performs S5 more than threshold values, no
Then perform S7.That is the total charging/discharging voltage of super capacitor group 6 just performs S5 after remaining above threshold values for a period of time, to avoid
Maloperation.One proper time range is 80ms ~ 120ms.
In the step S3, judge whether the voltage of monomer lithium ion super electric capacity comprises determining whether to exceed more than threshold values
Monomer overvoltage protection threshold values and monomer under-voltage protection threshold values.
When above-mentioned all processes all fail protective loop of adopting an effective measure, or system is when occurring short circuit, necessarily causes back
The excessive situation of electric current in road, now fuse 3 is expendable thorough due to heating fusing as last salvo
Bottom disconnects active force loop.Hereafter need to carry out artificial examination and repair system just to resume work.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of monitoring management system based on lithium ion super electric capacity, it is characterised in that include：
Active force loop, by the current sensor for sensory current information（4）, fuse（5）, super capacitor group（6）, it is main just
Contactor（7）, total-pressure probe for receiving total voltage information（8）With DC/DC two way convertors（9）It is in series, wherein,
Super capacitor group（6）It is in series by several monomer lithium-ion capacitances；
Active equalization unit（3）, with super capacitor group（6）Bus is connected；
Collecting unit（2）, with super capacitor group（6）With active equalization unit（3）Bus connection, collecting unit respectively（2）From super
Level capacitance group（6）Gather monomer voltage information and temperature information；
Central control unit（1）, respectively with collecting unit（2）, current sensor（4）, main positive contactor（7）, total-pressure probe
（8）And DC/DC two way convertors（9）Bus is connected；Central control unit（1）According to monomer voltage information to collecting unit
（2）Equalization instruction is sent, by collecting unit（2）To active equalization unit（3）Forward equalization instruction, active equalization unit（3）Root
According to equalization instruction to super capacitor group（6）Carry out monomer voltage balanced；Central control unit（1）According to monomer voltage information, temperature
Spend information, current information and stagnation pressure information control DC/DC two way convertors（9）Stop discharge and recharge；Central control unit（1）According to
DC/DC two way convertors（9）The main positive contactor of controlled case control（7）On off operating mode；Central control unit（1）Control
DC/DC two way convertors（9）Mode of operation.
2. a kind of monitoring management system based on lithium ion super electric capacity as claimed in claim 1, it is characterised in that
The collecting unit（2）, active equalization unit（3）And super capacitor group（6）With 1:1:1 proportional arrangement；
The collecting unit（2）, active equalization unit（3）And super capacitor group（6）There are several respectively；
Several collecting units（2）Between connected by bus.
3. a kind of monitoring management system based on lithium ion super electric capacity as claimed in claim 1, it is characterised in that described to adopt
Collect unit（2）Specifically include：
High_voltage isolation module, with the super capacitor group（6）Connection；
A/D modular converters, are connected with the high_voltage isolation module, and super capacitor group is gathered by high_voltage isolation module（6）Letter
Cease and be converted to digital information；
MCU module, is connected with the A/D modular converters, the equalization instruction that processing A/D modular converters are received；It is equal with the active
Weigh unit（3）Bus is connected, and forwards equalization instruction；
Communication isolation module, input is connected with MCU module, output end and central control unit（1）Connection, transmits super capacitor
Group（6）Information and equalization instruction.
4. a kind of monitoring management system based on lithium ion super electric capacity as claimed in claim 2, it is characterised in that
Each super capacitor group（6）Include 12 monomer lithium ion super electric capacity, collecting unit（2）Only gather wherein arbitrary portion
The real time temperature of monomer.
5. a kind of method for managing and monitoring based on lithium ion super electric capacity, it is characterised in that central control unit（1）Pass through collection
Unit（2）, current sensor（4）And total-pressure probe（8）The status information in active force loop, each cycle are read by the cycle
Control process it is as follows：
S1, central control unit（1）Monitoring threshold values is set；
S2, central control unit（1）Read active force loop state information；
S3, central control unit（1）Judge respectively：
Whether the charging voltage of each monomer lithium ion super electric capacity is balanced, such as unbalanced, then performs S4, otherwise perform S7；
Whether the voltage of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether the temperature of monomer lithium ion super electric capacity exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Whether active force loop charging and discharging currents exceed threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
Super capacitor group（6）Whether total charging/discharging voltage exceedes threshold values, as more than S5 is performed if threshold values, otherwise performed S7；
DC/DC two way convertors（9）It is whether controlled, as uncontrolled, S6 is performed, S7 is otherwise performed；
S4, by active equalization unit（3）Perform active equalization operation；
S5, DC/DC two way convertor（9）Stop charge and discharge electrically operated；
S6, main positive contactor（7）Disconnect, so that active force loop disconnects；
S7, without any operation.
6. a kind of method for managing and monitoring based on lithium ion super electric capacity as claimed in claim 5, it is characterised in that the step
The monitoring threshold values set in rapid S1 includes：
Threshold values is opened in monomer equilibrium；
Monomer overvoltage protection threshold values；
Monomer under-voltage protection threshold values；
Excess temperature threshold values；
Discharge and recharge excessively stream threshold values；
Discharge and recharge stagnation pressure threshold values.
7. a kind of method for managing and monitoring based on lithium ion super electric capacity as claimed in claim 5, it is characterised in that the step
In rapid S3, the continuous multicycle judges that active force loop charging and discharging currents just perform S5 more than threshold values, otherwise performs S7.
8. a kind of method for managing and monitoring based on lithium ion super electric capacity as claimed in claim 5, it is characterised in that the step
In rapid S3, the continuous multicycle judges super capacitor group（6）Total charging/discharging voltage just performs S5 more than threshold values, otherwise performs S7.
9. a kind of method for managing and monitoring based on lithium ion super electric capacity as claimed in claim 5, it is characterised in that the step
In rapid S3, judge whether the voltage of monomer lithium ion super electric capacity comprises determining whether to exceed monomer overvoltage protection valve more than threshold values
Value and monomer under-voltage protection threshold values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710515785.XA CN107257147A (en) | 2017-06-29 | 2017-06-29 | A kind of monitoring management system and method based on lithium ion super electric capacity |
Applications Claiming Priority (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107749656A (en) * | 2017-11-15 | 2018-03-02 | 浙江大学 | A kind of accumulation power supply voltage balance control system and method |
| CN109066950A (en) * | 2018-10-31 | 2018-12-21 | 郑州云海信息技术有限公司 | A kind of super capacitor monitoring system |
| CN113612268A (en) * | 2021-07-01 | 2021-11-05 | 南京绿索电子科技有限公司 | Super capacitor module platform with charge and discharge management module and method |
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| JP2011155752A (en) * | 2010-01-27 | 2011-08-11 | Panasonic Corp | Power storage device |
| CN105717969A (en) * | 2016-04-25 | 2016-06-29 | 广西师范大学 | Multipath numerical-control high-voltage direct-current power system |
| CN205992756U (en) * | 2016-07-26 | 2017-03-01 | 上海航天工业（集团）有限公司 | Dynamical lithium-ion battery packs management system used for electric vehicle |
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| JP2011155752A (en) * | 2010-01-27 | 2011-08-11 | Panasonic Corp | Power storage device |
| CN105717969A (en) * | 2016-04-25 | 2016-06-29 | 广西师范大学 | Multipath numerical-control high-voltage direct-current power system |
| CN205992756U (en) * | 2016-07-26 | 2017-03-01 | 上海航天工业（集团）有限公司 | Dynamical lithium-ion battery packs management system used for electric vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749656A (en) * | 2017-11-15 | 2018-03-02 | 浙江大学 | A kind of accumulation power supply voltage balance control system and method |
| CN109066950A (en) * | 2018-10-31 | 2018-12-21 | 郑州云海信息技术有限公司 | A kind of super capacitor monitoring system |
| CN113612268A (en) * | 2021-07-01 | 2021-11-05 | 南京绿索电子科技有限公司 | Super capacitor module platform with charge and discharge management module and method |
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Application publication date: 20171017 |