CN105322560B - Mixed energy storage system it is new quickly from equalizing circuit - Google Patents
Mixed energy storage system it is new quickly from equalizing circuit Download PDFInfo
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- CN105322560B CN105322560B CN201510870029.XA CN201510870029A CN105322560B CN 105322560 B CN105322560 B CN 105322560B CN 201510870029 A CN201510870029 A CN 201510870029A CN 105322560 B CN105322560 B CN 105322560B
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Abstract
The invention discloses a kind of the new quickly from equalizing circuit, including super capacitor group unit, battery assembly module and power subsystem of mixed energy storage system；Super capacitor group unit includes the first electric capacity, the second electric capacity, the 3rd electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, the 6th diode, the 13rd diode, first switch and second switch pipe；Battery power includes the first battery, the second battery, the 3rd battery, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th diode, the 8th diode, the 9th diode, the tenth diode, the 11st diode, the 12nd diode, the 12nd tetrode, the 3rd switch and the 4th switching tube；Power subsystem includes the first charging plug, the tenth electric capacity, the first inductance.Have the advantages that to realize that electric voltage equalization, switching device are few, capacity usage ratio is high automatically.
Description
Technical field
The present invention relates to electric automobile electric power system field, and more particularly to mixed energy storage system is new quick from balanced electricity
Road.
Background technology
With the increasingly lifting of people's environmental consciousness, electric automobile replaces orthodox car to turn into a kind of trend, and continues a journey and ask
Topic, issue for battery life and performance issue again limit the development of electric automobile.Energy Recovery Technology can help electric vehicle handlebar
Energy storage caused by brake and deceleration gets up, and increases the endurance of electric automobile.Super capacitor has power density height,
The characteristics of charging rate is fast, and large current discharging capability is superpower, therefore super capacitor is suitably for electric automobile and starts or produced when accelerating
Raw enough power, while super capacitor is also adaptable as the intermediate buffer layer of energy regenerating, i.e., first electric vehicle handlebar brake with
Energy fast storage is transferred in battery by super capacitor again afterwards into super capacitor caused by deceleration, avoids the short time
Influence of the caused high current to battery life, performance issue, continuation of the journey problem and issue for battery life are advantageously accounted for.Electricity
Pond balancing technique then may insure that the voltage at each energy-storage units both ends in electric automobile energy-storage system is of substantially equal, be advantageous to
Extend the service life of energy-storage system.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art and deficiency, there is provided a kind of mixed energy storage system it is new fast
Speed is from equalizing circuit, and this is new quickly to make use of super capacitor power density high from equalizing circuit, and its charging rate is fast, high current
The characteristics of discharge capability is superpower, instead of battery pack it is electric automobile using superbattery group when electric automobile starts or accelerates
Energy supply, realize quick startup and accelerate；Because battery is higher than energy, it is adapted to discharge for a long time, when electric automobile Acceleration of starting expires
After hoping speed, switch to battery-powered.In addition, using the characteristic of super capacitor, quickly electric automobile brake deceleration can be produced
Raw energy storage gets up, and is then transferred in battery pack and stores；The present invention can realize that the voltage of mixed energy storage system is automatically equal
Weighing apparatus, and switching device is relatively less, simplifies circuit and control mode.
The purpose of the present invention is achieved through the following technical solutions：A kind of new quick certainly balanced electricity of mixed energy storage system
Road, including：Super capacitor group unit X, battery assembly module Y and power subsystem Z；The super capacitor group unit X includes the first electricity
Hold C1, the second electric capacity C2, the 3rd electric capacity C3, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, the first diode D1, second
Diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 13rd diode D13,
One switch S1With second switch pipe S2；The first electric capacity C1To the 3rd electric capacity C3It is electrochemical capacitor and capacitance is all equal；
7th electric capacity C7To the 9th electric capacity C9It is super capacitor and capacitance is also all equal；The first switch S1For electromagnetic relay；
The 7th electric capacity C7Positive pole, the first diode D1Negative electrode and first switch S1One end be connected；The 7th electric capacity C7
Negative pole, the 8th electric capacity C8Positive pole, the second diode D2Anode and the 3rd diode D3Negative electrode be connected；Described 8th
Electric capacity C8Negative pole, the 9th electric capacity C9Positive pole, the 4th diode D4Anode and the 5th diode D5Negative electrode be connected；Institute
State the 9th electric capacity C9Negative pole, the 6th diode D6Anode and second switch pipe S2Source electrode be connected；First diode
D1Anode, the second diode D2Negative electrode and the first electric capacity C1Positive pole be connected；The 3rd diode D3Anode,
Four diode D4Negative electrode and the second electric capacity C2Positive pole be connected；The 5th diode D5Anode, the 6th diode D6's
Negative electrode and the 3rd electric capacity C3Positive pole be connected；The first electric capacity C1Negative electrode, the second electric capacity C2Negative electrode, the 3rd electric capacity C3
Negative electrode, the 13rd diode D13Negative electrode and second switch pipe S2Drain electrode be connected；The battery power Y includes the first electricity
Pond B1, the second battery B2, the 3rd battery B3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the 7th diode D7, the eight or two
Pole pipe D8, the 9th diode D9, the tenth diode D10, the 11st diode D11, the 12nd diode D12, the 12nd tetrode
D14, the 3rd switch S3With the 4th switching tube S4；The 4th electric capacity C4To the 6th electric capacity C6Be electrochemical capacitor and capacitance all
It is equal；The first battery B1To the 3rd battery B3It is the equal battery cell of capacity；The 3rd switch S3For electromagnetism relay
Device；The first battery B1Positive pole, the 7th diode D7Negative electrode and the 3rd switch S3One end be connected；First electricity
Pond B1Negative pole, the second battery B2Positive pole, the 8th diode D8Anode and the 9th diode D9Negative electrode be connected；It is described
Second battery B2Negative pole, the 3rd battery B3Positive pole, the tenth diode D10Anode and the 11st diode D11Negative electrode phase
Connection；The 3rd battery B3Negative pole, the 12nd diode D12Anode and the 4th switching tube S4Source electrode be connected；It is described
7th diode D7Anode, the 8th diode D8Negative electrode and the 4th electric capacity C4Positive pole be connected；The 9th diode D9
Anode, the tenth diode D10Negative electrode and the 5th electric capacity C5Positive pole be connected；The 11st diode D11Anode,
12 diode D12Negative electrode and the 6th electric capacity C6Positive pole be connected；The 4th electric capacity C4Negative electrode, the 5th electric capacity C5The moon
Pole, the 6th electric capacity C6Negative electrode, the 12nd tetrode D14Negative electrode and second switch S2Drain electrode be connected；The super capacitor
The group unit X other end and battery assembly module Y is powered by the port A and B on dc bus to motor in electric automobile；The electricity
Source unit Z includes the first charging plug P1, the tenth electric capacity C10, the first inductance L1；The tenth electric capacity C10For electrochemical capacitor；It is described
First charging plug P1Positive pole, the tenth electric capacity C10Positive pole, the first inductance L1Positive pole, the first of super capacitor group unit X
Switch S1The other end and battery assembly module Y the 3rd switch S3The other end be connected；The first inductance L1Negative pole, super
Level capacitance group unit X the 13rd diode D13Anode and battery group unit Y the 14th diode D14Anode be connected
Connect；The first charging plug P1Negative pole, the tenth electric capacity C10Negative pole, super capacitor group unit X second switch pipe S2's
4th switching tube S of source electrode and battery assembly module Y4Source electrode be connected；The super capacitor group unit X passes through on dc bus
Port A and C give motor in electric automobile power supply；The battery assembly module Y gives electronic vapour by the port B and C on dc bus
Vehicle motor is powered.The second switch pipe S2, the 4th switching tube S4The second drive signal G2, fourth drive signal G4By basic
PWM ripples directly obtain；By electric car Working state analysis, the new of the mixed energy storage system quickly has kind of a job from equalizing circuit
State：
State I：Charged state.First switch S1With the 3rd switch S3Disconnect, second switch pipe S2With the 4th switching tube S4Lead
It is logical, the first charging plug P1Connect with the mains.Power supply passes through the first charging plug P1Filled simultaneously to super capacitor group X and battery pack Y
Electricity.
State I I：Startup and acceleration mode.First switch S1Disconnect, second switch pipe S2Conducting, the 3rd switch S3Closure,
4th switching tube S4Shut-off.Battery pack Y charges to super capacitor group X, and super capacitor group X gives electric automobile electricity by dc bus
Machine load supplying.
State I II：Transport condition.First switch S1Closure, second switch pipe S2Shut-off, the 3rd switch S3Disconnect, the 4th opens
Close pipe S4Conducting.Super capacitor group X is charged to battery assembly module Y, and battery pack Y is supplied by dc bus to motor in electric automobile
Electricity.
State I V：The energy regenerating first stage.First switch S1Closure, second switch pipe S2Conducting, the 3rd switch S3It is disconnected
Open, the 4th switching tube S4Shut-off.Electric automobile is by dc bus automatic energy caused by braking or deceleration to super capacitor
Group X chargings.
State V：Energy regenerating second stage.First switch S1Closure, second switch pipe S2Shut-off, the 3rd switch S3Disconnect,
4th switching tube S4Conducting.Super capacitor group X charges to battery assembly module Y.
The invention has the advantages that：
(1) present invention has automatic the characteristics of realizing electric voltage equalization.
(2) switching device that the present invention uses is less, reduces circuit complexity, saves space.
(3) caused braking energy when the present invention can be reclaimed and slowed down using electric automobile, the utilization of energy is improved
Efficiency.
Brief description of the drawings
Fig. 1 is the new quickly from the structure chart of equalizing circuit of mixed energy storage system of the present invention.
Fig. 2 is the new quickly from the battery pack (super capacitor group) of equalizing circuit of mixed energy storage system of the present invention
Voltage oscillogram during charging；Voltage oscillogram tendency convergence when battery pack (super capacitor group) charges is balanced.
Fig. 3 is the new quickly from the battery pack (super capacitor group) of equalizing circuit of mixed energy storage system of the present invention
During charging, battery assembly module Y the 14th diode D is flowed through14(super capacitor group unit X the 13rd diode D13) electricity
Flow oscillogram.
Embodiment
For present disclosure and feature is expanded on further, specific embodiments of the present invention are carried out below in conjunction with accompanying drawing
Illustrate.
Embodiment
As shown in figure 1, it is the new quickly from the structure chart of equalizing circuit of mixed energy storage system.Mixed energy storage system it is new
Type is quickly from equalizing circuit, including super capacitor group unit X, battery assembly module Y and power subsystem Z；The super capacitor group list
First X includes the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, first
Diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the tenth
Three diode D13, first switch S1With second switch pipe S2；The first electric capacity C1To the 3rd electric capacity C3Be electrochemical capacitor and
Capacitance is all equal；7th electric capacity C7To the 9th electric capacity C9It is super capacitor and capacitance is also all equal；The first switch S1
For electromagnetic relay；The 7th electric capacity C7Positive pole, the first diode D1Negative electrode and first switch S1One end be connected；
The 7th electric capacity C7Negative pole, the 8th electric capacity C8Positive pole, the second diode D2Anode and the 3rd diode D3Negative electrode phase
Connection；The 8th electric capacity C8Negative pole, the 9th electric capacity C9Positive pole, the 4th diode D4Anode and the 5th diode D5's
Negative electrode is connected；The 9th electric capacity C9Negative pole, the 6th diode D6Anode and second switch pipe S2Source electrode be connected；
The first diode D1Anode, the second diode D2Negative electrode and the first electric capacity C1Positive pole be connected；Three or two pole
Pipe D3Anode, the 4th diode D4Negative electrode and the second electric capacity C2Positive pole be connected；The 5th diode D5Anode,
6th diode D6Negative electrode and the 3rd electric capacity C3Positive pole be connected；The first electric capacity C1Negative electrode, the second electric capacity C2The moon
Pole, the 3rd electric capacity C3Negative electrode, the 13rd diode D13Negative electrode and second switch pipe S2Drain electrode be connected；The battery pack electricity
Source Y includes the first battery B1, the second battery B2, the 3rd battery B3, the 4th electric capacity C4, the 5th electric capacity C5, the 6th electric capacity C6, the seven or two
Pole pipe D7, the 8th diode D8, the 9th diode D9, the tenth diode D10, the 11st diode D11, the 12nd diode D12、
12nd tetrode D14, the 3rd switch S3With the 4th switching tube S4；The 4th electric capacity C4To the 6th electric capacity C6It is electrochemical capacitor
And capacitance is all equal；The first battery B1To the 3rd battery B3It is the equal battery cell of capacity；3rd switch
S3For electromagnetic relay；The first battery B1Positive pole, the 7th diode D7Negative electrode and the 3rd switch S3One end be connected
Connect；The first battery B1Negative pole, the second battery B2Positive pole, the 8th diode D8Anode and the 9th diode D9The moon
Pole is connected；The second battery B2Negative pole, the 3rd battery B3Positive pole, the tenth diode D10Anode and the 11st pole
Pipe D11Negative electrode be connected；The 3rd battery B3Negative pole, the 12nd diode D12Anode and the 4th switching tube S4Source
Pole is connected；The 7th diode D7Anode, the 8th diode D8Negative electrode and the 4th electric capacity C4Positive pole be connected；Institute
State the 9th diode D9 anode, the tenth diode D10Negative electrode and the 5th electric capacity C5Positive pole be connected；Described 11st
Pole pipe D11Anode, the 12nd diode D12Negative electrode and the 6th electric capacity C6Positive pole be connected；The 4th electric capacity C4The moon
Pole, the 5th electric capacity C5Negative electrode, the 6th electric capacity C6Negative electrode, the 12nd tetrode D14Negative electrode and second switch S2Drain electrode phase
Connection；The other end and battery assembly module Y of the super capacitor group unit X gives electronic vapour by the port A and B on dc bus
Vehicle motor is powered；The power subsystem Z includes the first charging plug P1, the tenth electric capacity C10, the first inductance L1；Tenth electric capacity
C10For electrochemical capacitor；The first charging plug P1Positive pole, the tenth electric capacity C10Positive pole, the first inductance L1Positive pole, super
Capacitance group unit X first switch S1The other end and battery assembly module Y the 3rd switch S3The other end be connected；Described
One inductance L1Negative pole, super capacitor group unit X the 13rd diode D13Anode and battery group unit Y the 14th pole
Pipe D14Anode be connected；The first charging plug P1Negative pole, the tenth electric capacity C10Negative pole, super capacitor group unit X
Second switch pipe S2Source electrode and battery assembly module Y the 4th switching tube S4Source electrode be connected；The super capacitor group unit X
Powered by the port A and C on dc bus to motor in electric automobile；The battery assembly module Y passes through the end on dc bus
Mouth B and C gives motor in electric automobile to power.As shown in Fig. 2 the second switch pipe S2, the 4th switching tube S4The second drive signal
G2, fourth drive signal G4Directly obtained by basic PWM ripples；As shown in figure 3, basic PWM ripples are by triangular carrier VcAnd direct current
Press Vm2、Vm4Compare to obtain；By electric car Working state analysis, the new of the mixed energy storage system quickly has kind from equalizing circuit
Working condition：
State I：Charged state.First switch S1With the 3rd switch S3Disconnect, second switch pipe S2With the 4th switching tube S4Lead
It is logical, the first charging plug P1Connect with the mains.Power supply passes through the first charging plug P1Filled simultaneously to super capacitor group X and battery pack Y
Electricity.
State I I：Startup and acceleration mode.First switch S1Disconnect, second switch pipe S2Conducting, the 3rd switch S3Closure,
4th switching tube S4Shut-off.Battery pack Y charges to super capacitor group X, and super capacitor group X gives electric automobile electricity by dc bus
Machine is powered.
State I II：Transport condition.First switch S1Closure, second switch pipe S2Shut-off, the 3rd switch S3Disconnect, the 4th opens
Close pipe S4Conducting.Super capacitor group X is charged to battery assembly module Y, and battery pack Y is supplied by dc bus to motor in electric automobile
Electricity.
State I V：The energy regenerating first stage.First switch S1Closure, second switch pipe S2Conducting, the 3rd switch S3It is disconnected
Open, the 4th switching tube S4Shut-off.Electric automobile is stored into braking energy caused by braking or deceleration by dc bus super
Capacitance group X.
State V：Energy regenerating second stage.First switch S1Closure, second switch pipe S2Shut-off, the 3rd switch S3Disconnect,
4th switching tube S4Conducting.Super capacitor group X charges to battery assembly module Y.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (1)
1. a kind of mixed energy storage system is new quickly from equalizing circuit, including：Super capacitor group unit (X), battery assembly module
(Y) and power subsystem (Z), it is characterised in that the super capacitor group unit (X), power subsystem (Z) and battery assembly module (Y)
It is in parallel by the dc bus of electric automobile；
The super capacitor group unit (X) includes the first electric capacity (C1), the second electric capacity (C2), the 3rd electric capacity (C3), the 7th electric capacity
(C7), the 8th electric capacity (C8), the 9th electric capacity (C9), the first diode (D1), the second diode (D2), the 3rd diode (D3),
Four diode (D4), the 5th diode (D5), the 6th diode (D6), the 13rd diode (D13), first switch (S1) and second
Switching tube (S2)；First electric capacity (the C1), the second electric capacity (C2) and the 3rd electric capacity (C3) be electrochemical capacitor and capacitance all
It is equal；7th electric capacity (C7), the 8th electric capacity (C8) and the 9th electric capacity (C9) it is super capacitor and capacitance is all equal；Described
One switch (S1) it is electromagnetic relay；7th electric capacity (the C7) positive pole, the first diode (D1) negative electrode and first switch
(S1) one end be connected；7th electric capacity (the C7) negative pole, the 8th electric capacity (C8) positive pole, the second diode (D2) sun
Extremely equal and the 3rd diode (D3) negative electrode be connected；8th electric capacity (the C8) negative pole, the 9th electric capacity (C9) positive pole,
Four diode (D4) anode and the 5th diode (D5) negative electrode be connected；9th electric capacity (the C9) negative pole, the six or two
Pole pipe (D6) anode and second switch pipe (S2) source electrode be connected；First diode (the D1) anode, the two or two pole
Manage (D2) negative electrode and the first electric capacity (C1) positive pole be connected；3rd diode (the D3) anode, the 4th diode
(D4) negative electrode and the second electric capacity (C2) positive pole be connected；5th diode (the D5) anode, the 6th diode (D6)
Negative electrode and the 3rd electric capacity (C3) positive pole be connected；First electric capacity (the C1) negative electrode, the second electric capacity (C2) negative electrode,
3rd electric capacity (C3) negative electrode, the 13rd diode (D13) negative electrode and second switch pipe (S2) drain electrode be connected；
The battery assembly module (Y) includes the first battery (B1), the second battery (B2), the 3rd battery (B3), the 4th electric capacity (C4),
Five electric capacity (C5), the 6th electric capacity (C6), the 7th diode (D7), the 8th diode (D8), the 9th diode (D9), the tenth diode
(D10), the 11st diode (D11), the 12nd diode (D12), the 14th diode (D14), the 3rd switch (S3) and the 4th open
Close pipe (S4)；4th electric capacity (the C4), the 5th electric capacity (C5) and the 6th electric capacity (C6) it is electrochemical capacitor and capacitance all phases
Deng；First battery (the B1), the second battery (B2) and the 3rd battery (B3) it is the equal battery cell of capacity；Described 3rd
Switch (S3) it is electromagnetic relay；First battery (the B1) positive pole, the 7th diode (D7) negative electrode and the 3rd switch
(S3) one end be connected；First battery (the B1) negative pole, the second battery (B2) positive pole, the 8th diode (D8) sun
Extremely equal and the 9th diode (D9) negative electrode be connected；Second battery (the B2) negative pole, the 3rd battery (B3) positive pole,
Ten diode (D10) anode and the 11st diode (D11) negative electrode be connected；3rd battery (the B3) negative pole,
12 diode (D12) anode and the 4th switching tube (S4) source electrode be connected；7th diode (the D7) anode,
8th diode (D8) negative electrode and the 4th electric capacity (C4) positive pole be connected；9th diode (the D9) anode, the tenth
Diode (D10) negative electrode and the 5th electric capacity (C5) positive pole be connected；The 11st diode (D11) anode, the tenth
Two diode (D12) negative electrode and the 6th electric capacity (C6) positive pole be connected；4th electric capacity (the C4) negative electrode, the 5th electricity
Hold (C5) negative electrode, the 6th electric capacity (C6) negative electrode, the 14th diode (D14) negative electrode and the 4th switching tube (S4) drain electrode
It is connected；The super capacitor group unit (X) and battery assembly module (Y) are by the port A and B on dc bus to electric automobile
Motor is powered；
The power subsystem (Z) includes the first charging plug (P1), the tenth electric capacity (C10) and the first inductance (L1)；Tenth electricity
Hold (C10) it is electrochemical capacitor；First charging plug (the P1) positive pole, the tenth electric capacity (C10) positive pole, the first inductance (L1)
First switch (the S of positive pole, super capacitor group unit (X)1) the other end and battery assembly module (Y) the 3rd switch (S3)
The other end is connected；First inductance (the L1) negative pole, the 13rd diode (D of super capacitor group unit (X)13) anode
Equal and battery assembly module (Y) the 14th diode (D14) anode be connected；First charging plug (the P1) negative pole,
Ten electric capacity (C10) negative pole, the second switch pipe (S of super capacitor group unit (X)2) source electrode and battery assembly module (Y) the
Four switching tube (S4) source electrode be connected.
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| CN106451674B (en) * | 2016-11-30 | 2023-04-28 | 华南理工大学 | Electric automobile hybrid energy storage system with voltage equalization function |
| CN108429351B (en) * | 2018-04-27 | 2023-06-16 | 华南理工大学 | Multifunctional energy storage system oriented to energy storage market and control method |
| CN109412247B (en) * | 2018-12-06 | 2023-09-05 | 嘉兴市建筑工业学校 | Parallel capacitor type step-down charger |
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| CN100566076C (en) * | 2007-06-30 | 2009-12-02 | 杭州中恒电气股份有限公司 | The equalizer circuit of back-up source |
| CN101222149B (en) * | 2008-01-25 | 2011-05-04 | 哈尔滨工业大学 | Three-monomer direct equalizer of series connection accumulation power supply |
| US9397508B2 (en) * | 2009-05-22 | 2016-07-19 | Intersil Americas LLC | System and method for cell balancing and charging using a serially coupled inductor and capacitor |
| CN103683456B (en) * | 2013-12-24 | 2016-07-06 | 福建省福工动力技术有限公司 | A kind of hybrid power public transport super-capacitor and lithium battery parallel circuit |
| CN205212444U (en) * | 2015-11-30 | 2016-05-04 | 华南理工大学 | Mix novel fast from equalizer circuit of energy storage system |
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