CN107681743A - A kind of active pressure-equalizing device and method based on reconstruct - Google Patents
A kind of active pressure-equalizing device and method based on reconstruct Download PDFInfo
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- CN107681743A CN107681743A CN201711101356.4A CN201711101356A CN107681743A CN 107681743 A CN107681743 A CN 107681743A CN 201711101356 A CN201711101356 A CN 201711101356A CN 107681743 A CN107681743 A CN 107681743A
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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
- H02J7/34—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
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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
- H02J7/0013—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
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- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a kind of active pressure-equalizing device and method based on reconstruct, the device includes：Analogue collection module, control module, restructural super capacitor group module and power transfer module.This method includes：Step S1：Collection super capacitor monomer voltage and restructural super capacitor group terminal voltage in real time；Step S2：According to super capacitor monomer voltage and restructural super capacitor group terminal voltage, reconfiguration scheme is generated according to default reconfiguration rule；Step S3：According to reconfiguration scheme, the break-make of adjustment tandem tap, paralleling switch and short switch reconstructs restructural super capacitor group；Step S4：When all super capacitor monomers complete charging, stop charging.Not only circuit design is simple compared to existing active Pressure and Control by the present invention, and voltage equalizing is fine.Meanwhile by the control of short switch, tandem tap and paralleling switch, series-parallel conversion can be carried out to electric capacity in charging process, effectively adjust the terminal voltage of capacitance group.
Description
Technical field
The present invention relates to technical field of electric power, more particularly to a kind of active pressure-equalizing device and method based on reconstruct.
Background technology
In the application of ultracapacitor, because its rated voltage is very low (less than 3V), substantial amounts of series connection is often needed.It is preferable
During state, each super capacitor monomer performance should be consistent, i.e., the voltage of each super capacitor monomer is the same.But
It is that, due to factors such as foozle, self-discharge rates, the voltage between capacitor monomer is discrepant.It is particularly high-power
Application scenarios are frequently necessary to high current charge-discharge, therefore whether voltage is unanimously heavy to closing on each monolithic capacitor in series connection
Want.If do not take it is necessary press measure, can cause on each monolithic capacitor that voltage difference is larger, have a strong impact on super
The performance of capacitor and life-span.The terminal voltage of series connected super-capacitor module linearly increases during constant current charge simultaneously
Add, so just having very high requirement to the power grade of the component of charging equipment, add the cost of charging.
There are two kinds for serial connected super capacitor voltage equalizing strategy：Passively pressure and active is pressed.The most frequently used is namely based on electricity
The passive type pressed is hindered, securely and reliably, method is simple.Shortcoming is exactly energy consumption be present, just more difficult when especially monomer capacity is larger
With compromise, it is too big that resistance has selected loss small, resistance selected big then pressure rate it is too slow.And it is active can avoid it is extra in electricity
Loss in resistance.It is active including two kinds, the first be the voltage ratio based on mos pipes compared with equalizer circuit, principle is very simple, any
One monomer voltage just discharges it more than threshold value.A kind of protective effect is only served in fact.It is suitable only for not tight to equal pressure request
The occasion of lattice, so being seldom used.Active second is exactly the circuit of complex designing, monitors the electricity of each monomer
Pressure, and carry out adjustment in real time and ensure to press.This occasion is mainly used in regular high current charge-discharge, particularly with great Rong
Measure super capacitor.
The content of the invention
The present invention is directed to above-mentioned existing issue, it is proposed that a kind of active pressure-equalizing device and method based on reconstruct,
By the combination of short switch, tandem tap and paralleling switch actively press, when some electric capacity has been charged to expection voltage,
Stop charging to it with regard to controlling switch, this process of repetition makes all electric capacity all reach identical expection voltage value.The present invention
The device and method of offer saves energy, and compared to active Pressure and Control before, not only circuit design is simple, it is only necessary to letter
Single switching tube, and voltage equalizing is fine.Meanwhile by the control of short switch, tandem tap and paralleling switch, can
To carry out series-parallel conversion to electric capacity in charging process, the terminal voltage of capacitance group is effectively adjusted.The research and development of the present invention are by country
Nsfc Projects 61379111,61672537,61672539,61402538,61403424,61602529,
61502055 and 61503048, which provide part, supports.
The invention provides a kind of active pressure-equalizing device based on reconstruct, including：Analogue collection module, for adopting in real time
Collect super capacitor monomer voltage and restructural super capacitor group module terminal voltage；
Control module, for the super capacitor monomer voltage and restructural super capacitor gathered according to analogue collection module
Group module terminal voltage, restructuring directive is sent according to default reconfiguration rule to restructural super capacitor group module；
Restructural super capacitor group module, for the restructuring directive sent according to the control module, by tandem tap,
Paralleling switch and being opened or closed for short switch adjust restructural super capacitor group；
Power transfer module, for being to be adapted to the analogue collection module, control by external input power voltage conversion
The operating voltage that module and restructural super capacitor group module run well；
Wherein, the default reconfiguration rule is when at least one super capacitor list in the restructural super capacitor group module
When bulk voltage reaches the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or
When restructural super capacitor group module terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；
First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is direct current
Bus maximum voltage；
The reconstructed operation be according to remaining charge super electric capacity monomer number m reconstruct super capacitor monomer between string simultaneously
Connection relation, m are positive integer；
When m is even number, the 1st in remaining charge super electric capacity monomer is gone here and there to the m/2 super capacitor monomer
Connection is used as first series connection group, monomer series-connected as second series connection group to m-th of super capacitor using m/2+1, then will
Two series connection groups are in parallel；
When m is odd number, by the 1st in remaining charge super electric capacity monomer to (m-1)/2 super capacitor monomer string
Connection be used as the first series connection group, and (m-1)/2+1 is individual monomer series-connected as the second series connection group to (m-1) individual super capacitor, so
Afterwards will be monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
Further, the restructural super capacitor group module include super capacitor monomer, tandem tap, paralleling switch and
Short switch；
Wherein, the total number of the super capacitor monomer is 6 integral multiple；
1 tandem tap, 2 paralleling switches and 1 short switch are connected with 1 super capacitor monomer.
Further, the analogue collection module includes：
Data exchange submodule, for carrying out data exchange with the control module；
SPI communication submodule, SPI communication is carried out with the control module for being realized by data exchange submodule；
Level conversion submodule, for obtaining super capacitor monomer voltage that external voltage signal sensor gets and can
Reconstruct super capacitor group module terminal voltage.
Further, the control module includes：
Analog quantity acquisition submodule, the super capacitor monomer voltage letter collected for obtaining the analogue collection module
Number and restructural super capacitor group module terminal voltage signal；
Filtering process submodule, the voltage signal for being got to the analog quantity acquisition submodule are filtered place
Reason；
Submodule is reconstructed, the super capacitor monomer voltage and restructural for being obtained according to analog quantity acquisition submodule are super
Capacitance group module terminal voltage, restructuring directive is generated according to default reconfiguration rule；
Output control submodule, for the restructuring directive for reconstructing submodule generation to be sent into the restructural super capacitor
Group module.
Specifically, restructuring directive is directly sent to pair in restructural super capacitor group module by output control submodule
Inductive switch, closure or disconnection so as to controlling switch.
Further, the power transfer module includes：
EMI filters submodule, the input power that the high-frequency interferencing signal for filtering out in external power source is stablized；
DC/DC conversion submodule, for being converted into outer power voltage to be adapted to the analogue collection module, control
The operating voltage that molding block and restructural super capacitor group module run well；
Short-circuit protection submodule, for providing short-circuit protection for the active pressure-equalizing device.
Present invention also offers a kind of active method for equalizing voltage using the above-mentioned active pressure-equalizing device based on reconstruct, including：
Step S1：Collection super capacitor monomer voltage and restructural super capacitor group terminal voltage in real time；
Step S2：According to step S1 gather super capacitor monomer voltage and restructural super capacitor group terminal voltage, according to
Default reconfiguration rule generation reconfiguration scheme；
Step S3：The reconfiguration scheme generated according to step S2, passes through the disconnection of tandem tap, paralleling switch and short switch
Or closure adjustment restructural super capacitor group；
Step S4：When all super capacitor monomers complete charging, stop charging to restructural super capacitor group；
Wherein, the default reconfiguration rule is when at least one super capacitor monomer electricity in the restructural super capacitor group
When pressure reaches the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or when can
When reconstruct super capacitor group terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；
First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is direct current
Bus maximum voltage；
The restructural super capacitor group includes super capacitor monomer, tandem tap, paralleling switch and short switch；
Wherein, the total number of the super capacitor monomer is 6 integral multiple；
1 tandem tap, 2 paralleling switches and 1 short switch are connected with 1 super capacitor monomer.
Further, the reconstructed operation is to reconstruct super capacitor monomer according to remaining charge super electric capacity monomer number m
Between connection in series-parallel relation, m is positive integer：
When m is even number, the 1st in remaining charge super electric capacity monomer is gone here and there to the m/2 super capacitor monomer
Connection is used as first series connection group, monomer series-connected as second series connection group to m-th of super capacitor using m/2+1, then will
Two series connection groups are in parallel；
When m is odd number, by the 1st in remaining charge super electric capacity monomer to (m-1)/2 super capacitor monomer string
Connection be used as the first series connection group, and (m-1)/2+1 is individual monomer series-connected as the second series connection group to (m-1) individual super capacitor, so
Afterwards will be monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
Beneficial effect
A kind of active pressure-equalizing device and method based on reconstruct provided by the invention, pass through short switch, series parallel switch
Combination actively press, and when some super capacitor monomer has been charged to expected voltage, stops filling it with regard to controlling switch
Electricity, and reconstructing remaining super capacitor monomer and repeating this process makes all electric capacity all reach identical desired value.Phase of the present invention
Than in existing active Pressure and Control, not only circuit design is simple, and voltage equalizing is fine.Meanwhile pass through short switch, string
The control of connection switch and paralleling switch, series-parallel conversion can be carried out to electric capacity in charging process, effectively adjust capacitance group
Terminal voltage.
Brief description of the drawings
Fig. 1 is a kind of structural representation for active pressure-equalizing device based on reconstruct that the embodiment of the present invention one provides；
Fig. 2 is a kind of power module schematic diagram for active pressure-equalizing device based on reconstruct that the embodiment of the present invention one provides；
Fig. 3 is a kind of restructural super capacitor group for active pressure-equalizing device based on reconstruct that the embodiment of the present invention one provides
Module diagram；
Fig. 4 is corresponding when being super capacitor monomer parallel connection in the restructural super capacitor group module that the embodiment of the present invention one provides
On off state schematic diagram；
Fig. 5 is corresponding when super capacitor is monomer series-connected in the restructural super capacitor group module that the embodiment of the present invention one provides
On off state schematic diagram；
Fig. 6 is a kind of reconstruct behaviour of the control module for active pressure-equalizing device based on reconstruct that the embodiment of the present invention one provides
Make flow chart；
Fig. 7 is a kind of schematic flow sheet for active method for equalizing voltage based on reconstruct that the embodiment of the present invention two provides.
Embodiment
Present disclosure is more fully understood for convenience, is further elaborated with reference to specific embodiment.
Embodiment one
Fig. 1 is a kind of structural representation for active pressure-equalizing device based on reconstruct that the embodiment of the present invention one provides, including：
Analogue collection module 100, for gathering super capacitor monomer voltage and restructural super capacitor group module terminal voltage in real time；
Control module 200, super capacitor monomer voltage and restructural for being gathered according to analogue collection module 100 surpass
Level capacitance group module terminal voltage, restructuring directive is sent according to default reconfiguration rule to restructural super capacitor group module 300；
Restructural super capacitor group module 300, for the restructuring directive sent according to the control module 200, pass through string
Connection switch, paralleling switch and being opened or closed for short switch adjust restructural super capacitor group；
Power transfer module 400, for being to be adapted to the analogue collection module, control by external input power voltage conversion
The operating voltage that molding block and restructural super capacitor group module run well.
Wherein, the default reconfiguration rule is when at least one super capacitor list in the restructural super capacitor group module
When bulk voltage reaches the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or
When restructural super capacitor group module terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；
First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is direct current
Bus maximum voltage；
The reconstructed operation be according to remaining charge super electric capacity monomer number m reconstruct super capacitor monomer between string simultaneously
Connection relation, m are positive integer；
When m is even number, the 1st in remaining charge super electric capacity monomer is gone here and there to the m/2 super capacitor monomer
Connection is used as first series connection group, monomer series-connected as second series connection group to m-th of super capacitor using m/2+1, then will
Two series connection groups are in parallel；
When m is odd number, by the 1st in remaining charge super electric capacity monomer to (m-1)/2 super capacitor monomer string
Connection be used as the first series connection group, and (m-1)/2+1 is individual monomer series-connected as the second series connection group to (m-1) individual super capacitor, so
Afterwards will be monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
Specifically, restructural super capacitor group module includes super capacitor monomer, tandem tap, paralleling switch and short circuit
Switch；Wherein, the total number of the super capacitor monomer is 6 integral multiple；1 tandem tap, 2 paralleling switches and 1
Individual short switch is connected with 1 super capacitor monomer.As shown in figure 3, the restructural super capacitor group in embodiment one
Module includes 6 super capacitor monomer (SC i.e. in figure altogether1To SC6), one end of each super capacitor monomer is connected with one
Paralleling switch (the S i.e. in figurep,1To Sp,6) and a short switch (S i.e. in figurel,1To Sl,6), each super capacitor monomer
The other end is connected with another paralleling switch (S i.e. in figured,1To Sd,6) and a tandem tap (S i.e. in figurer,1To Sr,6),
Therefore in embodiment, 6 super capacitor monomers have 24 switches of having arranged in pairs or groups altogether.As can be seen here, when super capacitor monomer number is N
When (N be 6 integral multiple), the total number of switches that restructural super capacitor group module is included is 4N.
As shown in figure 4, two paralleling switches of each super capacitor monomer are closed, short switch and tandem tap are broken
When opening, 6 super capacitor monomers form circuit parallel with one another；As shown in figure 5, by paralleling switch Sp,iWith tandem tap SR, i
Closure, by paralleling switch Sd,iWith short switch Sl,iDisconnect, 6 super capacitor monomers just constitute the circuit being mutually in series.By
This is visible, by the switch for adjusting above-mentioned each type, thus it is possible to vary the connection in series-parallel relation between super capacitor monomer.Implementing
In example one, the first predetermined voltage threshold is set as 2.5V according to super capacitor monomer maximum voltage and dc bus maximum voltage,
Second predetermined voltage threshold is 5V.Before device startup, by 6 super capacitor monomers according to being arranged to whole series connection shown in Fig. 5
Circuit, then restructural super capacitor group module is charged；When there is some super capacitor monomer voltage and reaching 2.5V,
Stop charging to the super capacitor monomer by adjusting switch；Then operation is reconstructed, because remaining charge super electric capacity list
Body number be 5, then by the 1st and the 2nd super capacitor it is monomer series-connected form the first series connection group, by the 3rd and the 4th super capacitor list
Body the second series connection group in series, then by after the first series connection group and the second series connection group parallel connection, then with the 5th super capacitor monomer
Series connection, continues to charge；When occurring super capacitor monomer voltage again and reaching 2.5V, stop charging to it, and repeat above-mentioned
Reconstructed operation, or when the terminal voltage of restructural super capacitor group module reaches 5V, directly carry out above-mentioned reconstructed operation.Flow
Figure is as shown in Figure 6.
In embodiment one, the analogue collection module includes：Data exchange submodule, for the control module
Data exchange is carried out, it is specific to be realized using double RAM Interfaces；SPI communication submodule, for by data exchange submodule realize with
The control module carries out SPI communication, is specifically realized using SPI control chips；Level conversion submodule, for obtaining external electrical
The super capacitor monomer voltage and restructural super capacitor group module terminal voltage that pressure signal transducer is got, specifically using common
Level translator realize.SPI communication submodule is connected to the sensing for collection voltages information by level conversion submodule
Device, meanwhile, SPI communication submodule is by double RAM Interfaces and control module to being connected.
The control module includes：Analog quantity acquisition submodule, collect for obtaining the analogue collection module
Super capacitor monomer voltage signal and restructural super capacitor group module terminal voltage signal；Filtering process submodule, for institute
State the voltage signal that analog quantity acquisition submodule is got and be filtered processing, can specifically use median filtering method processing voltage
Signal；Submodule is reconstructed, for the super electricity of super capacitor monomer voltage and restructural obtained according to analog quantity acquisition submodule
Appearance group module terminal voltage, restructuring directive is generated according to default reconfiguration rule, can specifically use DSP28335 chips to realize；Output
Control submodule, for the restructuring directive for reconstructing submodule generation to be sent into the restructural super capacitor group module.Reconstruct
Submodule receives the information of voltage that analog quantity acquisition submodule is sent, and generates restructuring directive according to built-in reconfiguration rule, and
Restructuring directive is sent to output control submodule, restructuring directive is distributed to the super electricity of restructural by subsequent output control submodule
On each switch in appearance group module, each switch acts according to restructuring directive.
The power transfer module includes：EMI filters submodule 401, for filtering out the letter of the High-frequency Interference in external power source
Number input power stablized；DC/DC conversion submodule 402, it is suitable described for outer power voltage to be converted into
The operating voltage that analogue collection module, control module and restructural super capacitor group module run well；Short-circuit protection submodule
Block 403, for providing short-circuit protection for the active pressure-equalizing device.In embodiment one, power transfer module provides train
110V working powers, be converted into 5V working powers give control module power supply, be converted into 24V working powers, give PWM power supply.
In summary, a kind of active pressure-equalizing device based on reconstruct provided by the invention, by short switch, connection in series-parallel is opened
Close combination actively press, when some super capacitor monomer has been charged to expected voltage, controlling switch is stopped to it
Charging, and reconstructing remaining super capacitor monomer and repeating this process makes all electric capacity all reach identical desired value.The present invention
Compared to existing active Pressure and Control, not only circuit design is simple, and voltage equalizing is fine.Meanwhile by short switch,
The control of tandem tap and paralleling switch, series-parallel conversion can be carried out to electric capacity in charging process, effectively adjust capacitance group
Terminal voltage.
Embodiment two
Fig. 7 is a kind of schematic flow sheet for active method for equalizing voltage based on reconstruct that the embodiment of the present invention two provides, including：
Step S1：Collection super capacitor monomer voltage and restructural super capacitor group terminal voltage in real time；
Step S2：According to step S1 gather super capacitor monomer voltage and restructural super capacitor group terminal voltage, according to
Default reconfiguration rule generation reconfiguration scheme；
Step S3：The reconfiguration scheme generated according to step S2, passes through the disconnection of tandem tap, paralleling switch and short switch
Or closure adjustment restructural super capacitor group；
Step S4：When all super capacitor monomers complete charging, stop charging to restructural super capacitor group；
Wherein, the default reconfiguration rule is when at least one super capacitor monomer electricity in the restructural super capacitor group
When pressure reaches the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or when can
When reconstruct super capacitor group terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；
First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is direct current
Bus maximum voltage；
The restructural super capacitor group includes super capacitor monomer, tandem tap, paralleling switch and short switch；
Wherein, the total number of the super capacitor monomer is 6 integral multiple；
1 tandem tap, 2 paralleling switches and 1 short switch are connected with 1 super capacitor monomer.
Specifically, the reconstructed operation is to reconstruct super capacitor monomer according to remaining charge super electric capacity monomer number m
Between connection in series-parallel relation, m is positive integer：
When m is even number, the 1st in remaining charge super electric capacity monomer is gone here and there to the m/2 super capacitor monomer
Connection is used as first series connection group, monomer series-connected as second series connection group to m-th of super capacitor using m/2+1, then will
Two series connection groups are in parallel；
When m is odd number, by the 1st in remaining charge super electric capacity monomer to (m-1)/2 super capacitor monomer string
Connection be used as the first series connection group, and (m-1)/2+1 is individual monomer series-connected as the second series connection group to (m-1) individual super capacitor, so
Afterwards will be monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
Said apparatus embodiment is can refer on the specific implementation details of each step in above method embodiment and description
The description of the appropriate section of the concrete operating principle of middle modules, here is omitted.
In summary, a kind of active method for equalizing voltage based on reconstruct provided by the invention, by short switch, connection in series-parallel is opened
Close combination actively press, when some super capacitor monomer has been charged to expected voltage, controlling switch is stopped to it
Charging, and reconstructing remaining super capacitor monomer and repeating this process makes all electric capacity all reach identical desired value.The present invention
Compared to existing active Pressure and Control, not only circuit design is simple, and voltage equalizing is fine.Meanwhile by short switch,
The control of tandem tap and paralleling switch, series-parallel conversion can be carried out to electric capacity in charging process, effectively adjust capacitance group
Terminal voltage.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention, it is all in spirit of the invention and former
Within then, change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (7)
- A kind of 1. active pressure-equalizing device based on reconstruct, it is characterised in that including：Analogue collection module, for gathering super capacitor monomer voltage and restructural super capacitor group module terminal voltage in real time；Control module, for the super capacitor monomer voltage and restructural super capacitor group mould gathered according to analogue collection module Block terminal voltage, restructuring directive is sent to restructural super capacitor group module according to default reconfiguration rule；Restructural super capacitor group module, for the restructuring directive sent according to the control module, change tandem tap, parallel connection Switch is opened or closed with short switch, adjusts the connection in series-parallel relation between super capacitor monomer；Power transfer module, for being to be adapted to the analogue collection module, control module by external input power voltage conversion The operating voltage to be run well with restructural super capacitor group module；Wherein, the default reconfiguration rule is when at least one super capacitor monomer electricity in the restructural super capacitor group module When pressure reaches the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or when can When reconstruct super capacitor group module terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is dc bus Maximum voltage；The reconstructed operation is that the connection in series-parallel reconstructed according to remaining charge super electric capacity monomer number m between super capacitor monomer is closed System, m is positive integer；When m is even number, series connection work is carried out to the m/2 super capacitor monomer by the 1st in remaining charge super electric capacity monomer It is monomer series-connected as second series connection group to m-th of super capacitor using m/2+1 for first series connection group, then by two Series connection group is in parallel；When m is odd number, by the 1st in remaining charge super electric capacity monomer to the monomer series-connected work of (m-1)/2 super capacitor It is monomer series-connected as the second series connection group to (m-1) individual super capacitor using (m-1)/2+1 for the first series connection group, then will It is monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
- 2. device according to claim 1, it is characterised in that the restructural super capacitor group module includes super capacitor Monomer, tandem tap, paralleling switch and short switch；Wherein, the total number of the super capacitor monomer is 6 integral multiple；1 tandem tap, 2 paralleling switches and 1 short switch are connected with 1 super capacitor monomer.
- 3. device according to claim 2, it is characterised in that the analogue collection module includes：Data exchange submodule, for carrying out data exchange with the control module；SPI communication submodule, SPI communication is carried out with the control module for being realized by data exchange submodule；Level conversion submodule, the super capacitor monomer voltage and restructural got for obtaining external voltage signal sensor Super capacitor group module terminal voltage.
- 4. device according to claim 3, it is characterised in that the control module includes：Analog quantity acquisition submodule, for obtain super capacitor monomer voltage signal that the analogue collection module collects and Restructural super capacitor group module terminal voltage signal；Filtering process submodule, the voltage signal for being got to the analog quantity acquisition submodule are filtered processing；Submodule is reconstructed, for the super capacitor monomer voltage and restructural super capacitor obtained according to analog quantity acquisition submodule Group module terminal voltage, restructuring directive is generated according to default reconfiguration rule；Output control submodule, for the restructuring directive for reconstructing submodule generation to be sent into the restructural super capacitor group mould Block.
- 5. device according to claim 4, it is characterised in that the power transfer module includes：EMI filters submodule, the input power that the high-frequency interferencing signal for filtering out in external power source is stablized；DC/DC conversion submodule, for being converted into outer power voltage to be adapted to the analogue collection module, control mould The operating voltage that block and restructural super capacitor group module run well；Short-circuit protection submodule, for providing short-circuit protection for the active pressure-equalizing device.
- A kind of 6. active method for equalizing voltage based on reconstruct, it is characterised in that including：Step S1：Collection super capacitor monomer voltage and restructural super capacitor group terminal voltage in real time；Step S2：According to the step S1 super capacitor monomer voltages gathered and restructural super capacitor group terminal voltage, according to default Reconfiguration rule generates reconfiguration scheme；Step S3：The reconfiguration scheme generated according to step S2, by the disconnection of tandem tap, paralleling switch and short switch or close Close the connection in series-parallel relation between super capacitor monomer in adjustment restructural super capacitor group；Step S4：When all super capacitor monomers complete charging, stop charging to restructural super capacitor group；Wherein, the default reconfiguration rule is when at least one super capacitor monomer voltage reaches in the restructural super capacitor group During to the first predetermined voltage threshold, stop charging to the super capacitor monomer, and perform reconstructed operation；Or work as restructural When super capacitor group terminal voltage reaches the second predetermined voltage threshold, reconstructed operation is performed；First predetermined voltage threshold is super capacitor monomer maximum voltage；Second predetermined voltage threshold is dc bus Maximum voltage；The restructural super capacitor group includes super capacitor monomer, tandem tap, paralleling switch and short switch；Wherein, the total number of the super capacitor monomer is 6 integral multiple；1 tandem tap, 2 paralleling switches and 1 short switch are connected with 1 super capacitor monomer.
- 7. according to the method for claim 6, it is characterised in that the reconstructed operation is according to remaining charge super electric capacity list Connection in series-parallel relation between body number m reconstruct super capacitor monomers, m is positive integer：When m is even number, series connection work is carried out to the m/2 super capacitor monomer by the 1st in remaining charge super electric capacity monomer It is monomer series-connected as second series connection group to m-th of super capacitor using m/2+1 for first series connection group, then by two Series connection group is in parallel；When m is odd number, by the 1st in remaining charge super electric capacity monomer to the monomer series-connected work of (m-1)/2 super capacitor It is monomer series-connected as the second series connection group to (m-1) individual super capacitor using (m-1)/2+1 for the first series connection group, then will It is monomer series-connected with m-th of super capacitor again after two series connection group parallel connections.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110289672A (en) * | 2019-07-03 | 2019-09-27 | 中南大学 | A kind of restructural super capacitor storehouse charge/discharge control method and system based on temperature inhibition |
| CN110289672B (en) * | 2019-07-03 | 2020-10-27 | 中南大学 | Reconfigurable super capacitor stack charging and discharging control method and system based on temperature suppression |
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| CN107681743B (en) | 2019-04-05 |
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