CN105006866A - Inverse-pole quick voltage equalizing controller and inverse-pole quick voltage equalizing control method for energy storage devices - Google Patents
Inverse-pole quick voltage equalizing controller and inverse-pole quick voltage equalizing control method for energy storage devices Download PDFInfo
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Abstract
An inverse-pole quick voltage equalizing controller and an inverse-pole quick voltage equalizing control method for energy storage devices relate to a voltage equalizing control technology for energy storage devices. The controller and the control method are provided to solve the problem that the electric energy utilization rate of a voltage equalizer is low as a conventional voltage equalizing technology adopts the form of energy equalizing through energy consumption and the problem that voltage balancing is slow due to mutual energy coupling between multiple energy storage units in the process of voltage balancing. According to the controller, n control signal output ends of a central processor of a balancing circuit are respectively connected with the control signal input ends of n-1 inverse-pole circuit energy transfer modules and the control signal input end of a fly-back switching power energy transfer unit, the jth inverse-pole circuit energy transfer module is used to transfer energy between a jth energy storage unit and a (j+1)th energy storage unit (1<=j<=n-1), and the fly-back switching power energy transfer unit is used to transfer energy between an nth energy storage unit and a first energy storage unit. The controller and the control method of the invention have the advantages of low loss, high efficiency, and quick voltage equalizing.
Description
Technical field
The present invention relates to the Pressure and Control technology of energy storage device.
Background technology
The revolution of energy technology has expedited the emergence of new technology, and electric automobile is in the ascendant, and solar wind-energy generation technology rises day by day, and energy-saving and emission-reduction are extremely urgent, and the development of these technology all needs electric energy storage technology as support.Now general electrical power storage method has super capacitor energy-storage technology, lithium battery energy storage battery technology, lead acid accumulator energy storage technology etc., and the terminal voltage of these energy storage monomers is all lower, needs series connection to use.
Due to the difference of energy storage monomer inherent parameters, when connecting use, the terminal voltage of each monomer will be variant, and the high energy storage monomer of voltage compare can be damaged, this damage can the difference of aggravation terminal voltage further, finally causes whole series connection accumulation device to damage.Electric voltage equalization technology can effectively reduce terminal voltage difference, makes each energy storage monomer terminal voltage reach consistent.But the electric voltage equalization technology of routine adopts the form of energy ezpenditure, causes voltage equalizer to the utilance of the electric energy comparatively end, and there is multiple energy-storage units energy in electric voltage equalization process and to intercouple phenomenon, cause electric voltage equalization speed slowly.
Summary of the invention
The object of the invention is to solve but the electric voltage equalization technology of routine is all adopt the form of energy ezpenditure, cause voltage equalizer to the utilance of the electric energy comparatively end, and there is multiple energy-storage units energy in electric voltage equalization process and to intercouple phenomenon, cause electric voltage equalization speed problem slowly, the quick even pressure controller of a kind of antipole for energy storage device and control method are provided.
The quick even pressure controller of antipole for energy storage device of the present invention, comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=2;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth+1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
Described equalizing circuit central processing unit (1) is embedded in by the Pressure and Control module of software simulating, and this Pressure and Control module comprises with lower unit:
Signal-obtaining unit: constantly read the signal that voltage sampling unit (5) is sent;
First judging unit: judge V
iwhether be greater than V
i+1, and jth energy transfer control unit is started when judged result is for being, be no seasonal i=i+1 in judged result, then start the second judging unit, wherein V
ibe the terminal voltage of i-th energy-storage units, the initial value of i is 1;
I-th energy transfer control unit: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to start i-th antipole formula circuit energy, makes i=i+1;
Second judging unit: judge whether i equals n, and start the 3rd judging unit when judged result is for being, start the first judging unit when judged result is no;
3rd judging unit: judge V
nwhether be greater than V
1, and the n-th energy transfer control unit is started when judged result is for being, be no seasonal i=1 in judged result, then start the first judging unit;
N-th energy transfer control unit: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to start inverse-excitation type switch power-supply energy transferring unit (3).
Described antipole formula circuit energy is transmitted module and is comprised a switching tube, inductance and a diode, module is transmitted for the n-th-j-1 antipole formula circuit energy, the collector electrode of one switching tube connects the positive pole of the n-th-j-1 energy-storage units, the emitter of this switching tube connects one end of inductance and the negative electrode of a diode simultaneously, the base stage of this switching tube transmits the control signal input of module as described n-th-j-1 antipole formula circuit energy, the anode of a diode connects the negative pole of the n-th-j energy-storage units, the other end of inductance connects the common port of the n-th-j-1 energy-storage units and n-j energy-storage units.
Described inverse-excitation type switch power-supply energy transferring unit (3) comprises No. two diodes, No. two switching tubes and transformer (T), the negative electrode of No. two diodes connects the positive pole of the 1st energy-storage units, negative pole secondary two terminals held of connection transformer (T) respectively of the anode of No. two diodes and the 1st energy-storage units, the collector electrode of No. two switching tubes connects the positive pole of the n-th energy-storage units, two terminals of the emitter of No. two switching tubes and negative pole difference connection transformer (T) the former end of the n-th energy-storage units, two inductance forming transformer (T) just connect, and two terminals be connected with No. two switching tube emitters and No. two diode anodes are the Same Name of Ends of transformer (T).
The quick pressure equalizing control method of antipole for energy storage device of the present invention realizes based on following apparatus, and described device comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=2;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth+1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
Described equalizing circuit central processing unit (1) is embedded in by the pressure equalizing control method of software simulating, and the method comprises the following steps:
Signal-obtaining step: constantly read the signal that voltage sampling unit (5) is sent;
First determining step: judge V
iwhether be greater than V
i+1, and jth energy transfer control step is performed when judged result is for being, be no seasonal i=i+1 in judged result, then perform the second determining step, wherein V
ifor by the terminal voltage of i-th energy storage step gathering voltage sampling unit (5) and send, the initial value of i is 1;
I-th energy transfer control step: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to perform i-th antipole formula circuit energy, makes i=i+1, and perform the first determining step after this step terminates;
Second determining step: judge whether i equals n, and perform the 3rd determining step when judged result is for being, perform the first determining step when judged result is no;
3rd determining step: judge V
nwhether be greater than V
1, and the n-th energy transfer control step is performed when judged result is for being, be no seasonal i=1 in judged result, then perform the first determining step;
N-th energy transfer control step: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to perform inverse-excitation type switch power-supply energy transferring unit (3), and performs the 3rd determining step after this step terminates.
The present invention is a kind of active voltage balancing technique, can be applicable to super capacitor energy storage device, lithium battery energy storage battery device, lead accumulator energy storage device etc., as the electric voltage equalization between energy storage monomer.Beneficial effect of the present invention:
1, have high efficiency, the voltage balancing device of comparing traditional adopts the form of energy ezpenditure, and in the present invention, the transmission of energy only adopts inductance and high frequency transformer, does not consume electric energy in theory, substantially reduces loss, and the efficiency of even pressure controller is improved greatly;
2, there is the characteristic that pressure rate is fast, due to direct, two electric energy are transmitted between adjacent two energy storage monomers, and make the transmission of energy pointed owing to being furnished with voltage sampling circuit, energy-storage system can be made to reach the object of all pressing fast;
3, there is applicability widely, go for super capacitor, lithium battery, the series connection such as lead accumulator uses the electric voltage equalization of each energy storage monomer of the energy storing device of composition, the terminal voltage of each energy-storage units can be made automatically to reach balanced, thus extend the useful life of energy storage device.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the quick even pressure controller of the antipole for energy storage device described in execution mode one;
Fig. 2 is the workflow diagram of the voltage balance control module in execution mode one;
Fig. 3 is the principle schematic of the antipole formula circuit energy transmission module in execution mode two;
Fig. 4 is the current i flowing through inductance in execution mode two
n-j-1with the current i flowing through a diode
n-jsituation schematic diagram over time, L in figure
n-j-1represent that the n-th-j-1 antipole formula circuit energy transmits the inductance in module, D
n-jrepresent that the n-th-j-1 antipole formula circuit energy transmits a diode in module;
Fig. 5 is the principle schematic of the inverse-excitation type switch power-supply energy transferring unit in execution mode three;
Fig. 6 is the current i flowing through No. two diodes in execution mode three
1with the electric current i flowing through No. two switching tubes
nsituation schematic diagram over time.
Embodiment
Embodiment one: composition graphs 1 illustrates present embodiment, the quick even pressure controller of the antipole for energy storage device described in present embodiment, comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=2;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth+1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
Described equalizing circuit central processing unit (1) is embedded in by the Pressure and Control module of software simulating, and this Pressure and Control module comprises with lower unit:
Signal-obtaining unit: constantly read the signal that voltage sampling unit (5) is sent;
First judging unit: judge V
iwhether be greater than V
i+1, and jth energy transfer control unit is started when judged result is for being, be no seasonal i=i+1 in judged result, then start the second judging unit, wherein V
ibe the terminal voltage of i-th energy-storage units, the initial value of i is 1;
I-th energy transfer control unit: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to start i-th antipole formula circuit energy, makes i=i+1;
Second judging unit: judge whether i equals n, and start the 3rd judging unit when judged result is for being, start the first judging unit when judged result is no;
3rd judging unit: judge V
nwhether be greater than V1, and start the n-th energy transfer control unit when judged result is for being, be no seasonal i=1 in judged result, then start the first judging unit;
N-th energy transfer control unit: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to start inverse-excitation type switch power-supply energy transferring unit (3).
The energy of energy-storage units higher for terminal voltage is passed to the lower energy-storage units of adjacent voltage by antipole formula circuit energy buanch unit (2) or inverse-excitation type switch power-supply energy transferring unit (3) by present embodiment, the energy-storage units voltage drop that such voltage is high, the energy-storage units voltage rise that voltage is low, thus make the voltage of unit reach consistent.
Equalizing circuit central processing unit (1) is the control system adopting CPU to realize, be responsible for the terminal voltage reading each energy-storage units collected by voltage sampling unit (5), antipole formula circuit energy transfer unit 2 and inverse-excitation type switch power-supply energy transferring unit 3 are all operated in high-frequency PWM pattern, and antipole formula circuit energy transfer unit 2 controls by the terminal voltage situation of equalizing circuit central processing unit 1 according to the energy storage monomer collected with the start-stop of inverse-excitation type switch power-supply energy transferring unit 3.
After the quick even pressure controller of antipole powers on, first to some parameter initializations of controller, then start Pressure and Control process, idiographic flow as shown in Figure 2.Energy-storage units voltage sample module 5 is started working, when equalizing circuit central processing unit 1 judges that V appears in the terminal voltage of each energy-storage units collected
j<V
j-1time (1≤j≤n-1), equalizing circuit central processing unit 1 transmits module to a jth antipole formula circuit energy and sends instruction of starting working, a now jth antipole formula circuit energy transfer die BOB(beginning of block) job, by the energy transferring of a jth energy-storage units to jth-1 energy-storage units, until n energy-storage units all meets V
j>=V
j-1till (1≤j≤n-1).When equalizing circuit central processing unit 1 detects the terminal voltage V of the n-th energy-storage units
nbe greater than the terminal voltage V of the 1st energy-storage units
1time, equalizing circuit central processing unit 1 sends to inverse-excitation type switch power-supply energy transferring unit 3 order of starting working, and inverse-excitation type switch power-supply energy transferring unit 3 is started working, by the energy transferring of the n-th energy-storage units in the 1st energy-storage units, until meet V
n≤ V
1till.Just V is there will be like this when stable
1≤ V
2≤ ...≤V
n≤ V
1, root tool folder forces criterion, only at V
1=V
2=...=V
n=V
1time above formula could set up, so system will reach V when stable
1=V
2=...=V
nelectric voltage equalization effect.
Embodiment two: composition graphs 3 and Fig. 4 illustrate present embodiment, present embodiment is the further restriction to the quick even pressure controller of the antipole for energy storage device described in execution mode one, in present embodiment, described antipole formula circuit energy is transmitted module and is comprised a switching tube, inductance and a diode, module is transmitted for the n-th-j-1 antipole formula circuit energy, the collector electrode of one switching tube connects the positive pole of the n-th-j-1 energy-storage units, the emitter of this switching tube connects one end of inductance and the negative electrode of a diode simultaneously, the base stage of this switching tube transmits the control signal input of module as described n-th-j-1 antipole formula circuit energy, the anode of a diode connects the negative pole of the n-th-j energy-storage units, the other end of inductance connects the common port of the n-th-j-1 energy-storage units and n-j energy-storage units.
As shown in Figure 3, the operation principle of antipole formula energy transferring module is:
When the n-th-j-1 power switch pipe is opened constantly, the n-th-j-1 energy-storage units is to inductance L
n-j-1charge, now inductance L
n-j-1in current i
n-j-1linear increase, the value increased in a switch periods as shown in the formula:
V in formula
n-j-1be the terminal voltage of the n-th-j-1 energy-storage units, T
onit is the service time of a switch periods.
Now the n-th-j-1 energy-storage units can be expressed from the next to the energy that inductance exports:
Because the n-th-j-1 energy-storage units outputs energy to inductance, so the terminal voltage of the n-th-j-1 energy-storage units can decline to some extent, its energy exported is stored in inductance, in the form of electric current at the turn-off time T in this cycle
offin, the energy in inductance can be transferred in the n-th-j energy-storage units, and the terminal voltage of the n-th-j energy-storage units is raised.
Embodiment three: composition graphs 5 and Fig. 6 illustrate present embodiment, present embodiment is the further restriction to the quick even pressure controller of the antipole for energy storage device described in execution mode two, in present embodiment, described inverse-excitation type switch power-supply energy transferring unit (3) comprises No. two diodes, No. two switching tubes and transformer (T), the negative electrode of No. two diodes connects the positive pole of the 1st energy-storage units, negative pole secondary two terminals held of connection transformer (T) respectively of the anode of No. two diodes and the 1st energy-storage units, the collector electrode of No. two switching tubes connects the positive pole of the n-th energy-storage units, two terminals of the emitter of No. two switching tubes and negative pole difference connection transformer (T) the former end of the n-th energy-storage units, two inductance forming transformer (T) just connect, and two terminals be connected with No. two switching tube emitters and No. two diode anodes are the Same Name of Ends of transformer (T).
The operation principle of inverse-excitation type switch power-supply energy transferring unit 3 as shown in Figure 5 and Figure 6, owing to can not directly adopt antipole formula circuit to carry out energy transferring between the n-th energy-storage units and the 1st energy-storage units, and between the n-th energy-storage units and the 1st energy-storage units, need to carry out energy transferring, so inverse-excitation type switch power-supply is adopted to carry out isolated energy transferring.Inverse-excitation type switch power-supply energy transferring unit 3 by the work of high-frequency PWM switching signal, when switching tube is opened, the T namely in Fig. 6
onin time period, the energy trasfer of the n-th energy-storage units is in transformer (T); At the T that switching tube is closed
offtime, the energy in interior transformer (T) is delivered in the 1st energy-storage units again.The terminal voltage of the n-th energy-storage units so just can be made to reduce, the terminal voltage of the 1st energy-storage units is raised.
Embodiment four: composition graphs 1 and Fig. 2 illustrate present embodiment, the quick pressure equalizing control method of the antipole for energy storage device described in present embodiment realizes based on following apparatus, and described device comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=2;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth+1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
Described equalizing circuit central processing unit (1) is embedded in by the pressure equalizing control method of software simulating, and the method comprises the following steps:
Signal-obtaining step: constantly read the signal that voltage sampling unit (5) is sent;
First determining step: judge V
iwhether be greater than V
i+1, and jth energy transfer control step is performed when judged result is for being, be no seasonal i=i+1 in judged result, then perform the second determining step, wherein V
ifor by the terminal voltage of i-th energy storage step gathering voltage sampling unit (5) and send, the initial value of i is 1;
I-th energy transfer control step: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to perform i-th antipole formula circuit energy, makes i=i+1, and perform the first determining step after this step terminates;
Second determining step: judge whether i equals n, and perform the 3rd determining step when judged result is for being, perform the first determining step when judged result is no;
3rd determining step: judge V
nwhether be greater than V
1, and the n-th energy transfer control step is performed when judged result is for being, be no seasonal i=1 in judged result, then perform the first determining step;
N-th energy transfer control step: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to perform inverse-excitation type switch power-supply energy transferring unit (3), and performs the 3rd determining step after this step terminates.
Device in present embodiment is identical with the structure of the quick even pressure controller of the antipole for energy storage device described in execution mode one.
Embodiment five: composition graphs 3 and Fig. 4 illustrate present embodiment, present embodiment is the further restriction to the quick pressure equalizing control method of the antipole for energy storage device described in execution mode four, in present embodiment, described antipole formula circuit energy is transmitted module and is comprised a switching tube, inductance and a diode, module is transmitted for the n-th-j-1 antipole formula circuit energy, the collector electrode of one switching tube connects the positive pole of the n-th-j-1 energy-storage units, the emitter of this switching tube connects one end of inductance and the negative electrode of a diode simultaneously, the base stage of this switching tube transmits the control signal input of module as described n-th-j-1 antipole formula circuit energy, the anode of a diode connects the negative pole of the n-th-j energy-storage units, the other end of inductance connects the common port of the n-th-j-1 energy-storage units and n-j energy-storage units.
Embodiment six: composition graphs 5 and Fig. 6 illustrate present embodiment, present embodiment is the further restriction to the quick pressure equalizing control method of the antipole for energy storage device described in execution mode five, in present embodiment, described inverse-excitation type switch power-supply energy transferring unit (3) comprises No. two diodes, No. two switching tubes and transformer (T), the negative electrode of No. two diodes connects the positive pole of the 1st energy-storage units, negative pole secondary two terminals held of connection transformer (T) respectively of the anode of No. two diodes and the 1st energy-storage units, the collector electrode of No. two switching tubes connects the positive pole of the n-th energy-storage units, two terminals of the emitter of No. two switching tubes and negative pole difference connection transformer (T) the former end of the n-th energy-storage units, two inductance forming transformer (T) just connect, and two terminals be connected with No. two switching tube emitters and No. two diode anodes are the Same Name of Ends of transformer (T).
Claims (6)
1. for the quick even pressure controller of antipole of energy storage device, it is characterized in that, it comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=2;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth+1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
Described equalizing circuit central processing unit (1) is embedded in by the Pressure and Control module of software simulating, and this Pressure and Control module comprises with lower unit:
Signal-obtaining unit: constantly read the signal that voltage sampling unit (5) is sent;
First judging unit: judge V
iwhether be greater than V
i+1, and jth energy transfer control unit is started when judged result is for being, be no seasonal i=i+1 in judged result, then start the second judging unit, wherein V
ibe the terminal voltage of i-th energy-storage units, the initial value of i is 1;
I-th energy transfer control unit: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to start i-th antipole formula circuit energy, makes i=i+1;
Second judging unit: judge whether i equals n, and start the 3rd judging unit when judged result is for being, start the first judging unit when judged result is no;
3rd judging unit: judge V
nwhether be greater than V
1, and the n-th energy transfer control unit is started when judged result is for being, be no seasonal i=1 in judged result, then start the first judging unit;
N-th energy transfer control unit: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to start inverse-excitation type switch power-supply energy transferring unit (3).
2. the quick even pressure controller of the antipole for energy storage device according to claim 1, it is characterized in that, described antipole formula circuit energy is transmitted module and is comprised a switching tube, inductance and a diode, module is transmitted for the n-th-j-1 antipole formula circuit energy, the collector electrode of one switching tube connects the positive pole of the n-th-j-1 energy-storage units, the emitter of this switching tube connects one end of inductance and the negative electrode of a diode simultaneously, the base stage of this switching tube transmits the control signal input of module as described n-th-j-1 antipole formula circuit energy, the anode of a diode connects the negative pole of the n-th-j energy-storage units, the other end of inductance connects the common port of the n-th-j-1 energy-storage units and n-j energy-storage units.
3. the quick even pressure controller of the antipole for energy storage device according to claim 2, it is characterized in that, described inverse-excitation type switch power-supply energy transferring unit (3) comprises No. two diodes, No. two switching tubes and transformer (T), the negative electrode of No. two diodes connects the positive pole of the 1st energy-storage units, negative pole secondary two terminals held of connection transformer (T) respectively of the anode of No. two diodes and the 1st energy-storage units, the collector electrode of No. two switching tubes connects the positive pole of the n-th energy-storage units, two terminals of the emitter of No. two switching tubes and negative pole difference connection transformer (T) the former end of the n-th energy-storage units, two inductance forming transformer (T) just connect, and two terminals be connected with No. two switching tube emitters and No. two diode anodes are the Same Name of Ends of transformer (T).
4. for the quick pressure equalizing control method of antipole of energy storage device, the method realizes based on following apparatus, and described device comprises equalizing circuit central processing unit (1), antipole formula circuit energy transfer unit (2), inverse-excitation type switch power-supply energy transferring unit (3) and voltage sampling unit (5);
Voltage sampling unit (5) is for gathering the terminal voltage of n energy-storage units of energy storage device (4), and n is integer, and n >=3;
Antipole formula circuit energy transfer unit (2) comprises n-1 antipole formula circuit energy and transmits module;
The signal output part of voltage sampling unit (5) connects the voltage sampling signal input of equalizing circuit central processing unit (1), and n control signal output of equalizing circuit central processing unit (1) connects n-1 antipole formula circuit energy respectively and transmit the control signal input of module and the control signal input of inverse-excitation type switch power-supply energy transferring unit (3);
Jth antipole formula circuit energy transfer unit (2) is for transferring energy between a jth energy-storage units and jth=1 energy-storage units, 1≤j≤n-1, inverse-excitation type switch power-supply energy transferring unit (3) is for transferring energy between the n-th energy-storage units and the 1st energy-storage units;
It is characterized in that, described equalizing circuit central processing unit (1) is embedded in by the pressure equalizing control method of software simulating, and the method comprises the following steps:
Signal-obtaining step: constantly read the signal that voltage sampling unit (5) is sent;
First determining step: judge V
iwhether be greater than V
i+1, and jth energy transfer control step is performed when judged result is for being, be no seasonal i=i+1 in judged result, then perform the second determining step, wherein V
ifor by the terminal voltage of i-th energy storage step gathering voltage sampling unit (5) and send, the initial value of i is 1;
I-th energy transfer control step: transmit module to i-th antipole formula circuit energy and transmit control signal, transmits module to perform i-th antipole formula circuit energy, makes i=i+1, and perform the first determining step after this step terminates;
Second determining step: judge whether i equals n, and perform the 3rd determining step when judged result is for being, perform the first determining step when judged result is no;
3rd determining step: judge V
nwhether be greater than V
1, and the n-th energy transfer control step is performed when judged result is for being, be no seasonal i=1 in judged result, then perform the first determining step;
N-th energy transfer control step: transmit control signal to inverse-excitation type switch power-supply energy transferring unit (3), to perform inverse-excitation type switch power-supply energy transferring unit (3), and performs the 3rd determining step after this step terminates.
5. the quick pressure equalizing control method of the antipole for energy storage device according to claim 4, it is characterized in that, described antipole formula circuit energy is transmitted module and is comprised a switching tube, inductance and a diode, module is transmitted for the n-th-j-1 antipole formula circuit energy, the collector electrode of one switching tube connects the positive pole of the n-th-j-1 energy-storage units, the emitter of this switching tube connects one end of inductance and the negative electrode of a diode simultaneously, the base stage of this switching tube transmits the control signal input of module as described n-th-j-1 antipole formula circuit energy, the anode of a diode connects the negative pole of the n-th-j energy-storage units, the other end of inductance connects the common port of the n-th-j-1 energy-storage units and n-j energy-storage units.
6. the quick pressure equalizing control method of the antipole for energy storage device according to claim 5, it is characterized in that, described inverse-excitation type switch power-supply energy transferring unit (3) comprises No. two diodes, No. two switching tubes and transformer (T), the negative electrode of No. two diodes connects the positive pole of the 1st energy-storage units, negative pole secondary two terminals held of connection transformer (T) respectively of the anode of No. two diodes and the 1st energy-storage units, the collector electrode of No. two switching tubes connects the positive pole of the n-th energy-storage units, two terminals of the emitter of No. two switching tubes and negative pole difference connection transformer (T) the former end of the n-th energy-storage units, two inductance forming transformer (T) just connect, and two terminals be connected with No. two switching tube emitters and No. two diode anodes are the Same Name of Ends of transformer (T).
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| CN105449782A (en) * | 2015-12-30 | 2016-03-30 | 哈尔滨工业大学 | Switch inductance voltage equalizing controller and control method for energy storage device |
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| EP1081824A2 (en) * | 1999-09-03 | 2001-03-07 | Laboratoire d'Electronique Industrielle Departement d'Electricité EPFL | A method and an apparatus for equalising the voltages over the capacitors in a series connection of capacitors during charging and discharging |
| CN202856386U (en) * | 2012-07-31 | 2013-04-03 | 刘阶萍 | Charge-discharge active equalizing smart battery module and system |
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| EP1081824A2 (en) * | 1999-09-03 | 2001-03-07 | Laboratoire d'Electronique Industrielle Departement d'Electricité EPFL | A method and an apparatus for equalising the voltages over the capacitors in a series connection of capacitors during charging and discharging |
| CN202856386U (en) * | 2012-07-31 | 2013-04-03 | 刘阶萍 | Charge-discharge active equalizing smart battery module and system |
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