CN206807058U - The unidirectional active equalization circuit of energy storage - Google Patents
The unidirectional active equalization circuit of energy storage Download PDFInfo
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- CN206807058U CN206807058U CN201720477580.2U CN201720477580U CN206807058U CN 206807058 U CN206807058 U CN 206807058U CN 201720477580 U CN201720477580 U CN 201720477580U CN 206807058 U CN206807058 U CN 206807058U
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Abstract
The unidirectional active equalization circuit of a kind of energy storage, for managing the charging process of battery, it is characterised in that including some basis equalization units；The basis equalization unit includes the post-module of prime half-bridge circuit, the high frequency transformer of the connection prime half-bridge circuit and some connection high frequency transformers；The post-module includes regulation circuit, the feedback circuit of the connection regulation circuit, the control circuit and diode D6, D7 of the connection feedback circuit；The energy storage is provided with positive power source terminal and negative power end and some output ends with unidirectional active equalization circuit.Parallel connection of the energy storage of the present utility model with unidirectional active equalization circuit by multiple basis equalization circuits, enable the energy storage with the compatible series battery formed by all kinds battery of unidirectional active equalization circuit, it is embodied as the equalizaing charge of the type series battery, and the larger ability of equalization is provided, reduce the management cost of series battery charge.
Description
Technical field
Battery management is the utility model is related to, more particularly to a kind of energy storage with unidirectional active equalization circuit.
Background technology
In energy storage field, battery is typically concatenated to obtain relatively large total voltage in output carrys out driving load.
And in the charging process of battery, it need to ensure that carrying out equilibrium to each battery of series connection fully charges, and can not make charging
After the completion of wherein excessive difference be present between the charged state and integral level of Individual cells, if charging complete is indivedual in series connection
Charged state on battery is horizontal far below overall charged state, then the exportable capacity of series-connected cell can be reduced to low
The capacity of the battery of charged state, similar in the battery using equalizing circuit order series connection general at present is kept during the charging
Charged state.
Battery types are more used in stored energy application, such as have lead-acid accumulator, ferric phosphate lithium cell, ternary lithium electricity
Pond, Ni-MH battery, super capacitor etc., and the operating voltage range of traditional equalizing circuit is narrower, causes equalizing circuit general only
Adapt to certain a kind of battery.And the capacity of the battery unit of battery pack is larger, traditional equalizing circuit can not provide enough equal
Weigh electric current.
Utility model content
Based on this, the utility model provides a kind of energy and supports a variety of battery types and the energy storage with the larger ability of equalization
With unidirectional active equalization circuit.
In order to realize the purpose of this utility model, the utility model uses following technical scheme：
The unidirectional active equalization circuit of a kind of energy storage, it is characterised in that including some basis equalization units；It is described substantially equal
The unit that weighs includes prime half-bridge circuit, the high frequency transformer of the connection prime half-bridge circuit and some connection high frequency transformations
The post-module of device；The post-module includes regulation circuit, the feedback circuit of the connection regulation circuit, the connection feedback
The control circuit and diode D6 of circuit, diode D7；The energy storage is provided with positive power source terminal with unidirectional active equalization circuit, born
Power end and some output ends.
Parallel connection of the energy storage of the present utility model with unidirectional active equalization circuit by multiple basis equalization circuits, makes institute
The battery pack that energy storage adapts to different battery core serial numbers with unidirectional active equalization circuit is stated, is embodied as the type series battery
Equalizaing charge, and the larger ability of equalization is provided, reduce the management cost of series battery charge.Because employ with unidirectional
Active equalization circuit and magnetic amplifier rear class adjustment circuit, the operating point of whole equalizing circuit is very wide, therefore can be compatible a variety of
The battery of type.
In one of the embodiments, the prime half-bridge circuit includes electric capacity C1, electric capacity C2, electric capacity C3, and switching tube
Q1, switching tube Q2；It is former that the prime half-bridge circuit is provided with anode connection terminal, negative pole connection end, primary side connection end of the same name and different name
Side connection end；The anode connection terminal of the prime half-bridge circuit of all basis equalization units is converged to form the energy storage with unidirectionally
The positive power source terminal of active equalization circuit；The negative pole connection end congruence of the prime half-bridge circuit of all basis equalization units closes shape
Negative power end into the energy storage with unidirectional active equalization circuit.
In one of the embodiments, the switching tube Q1, switching tube Q2 are respectively equipped with first switch end, second switch end
And the 3rd switch terminals；Anode connection terminal of the one end of the electric capacity C1 as the prime half-bridge circuit；The one of the electric capacity C1
End is connected with the first connection end of the switching tube Q1；The 3rd switch terminals of the switching tube Q1 are as the prime half-bridge circuit
Primary side connection end of the same name, and be connected with the high frequency transformer；The 3rd switch terminals of the switching tube Q1 also with the switch
Pipe Q2 first switch end connection；The other end of the electric capacity C1 is connected with one end of the electric capacity C2；The electric capacity C1's is another
The one end of one end also with the electric capacity C3 is connected；The other end of the electric capacity C2 connects as the negative pole of the prime half-bridge circuit
End；The other end of the electric capacity C2 is connected with the 3rd switch terminals of the switching tube Q2；The other end of the electric capacity C3 is as institute
The different name primary side connection end of prime half-bridge circuit is stated, is connected with the high frequency transformer.
In one of the embodiments, the switching tube Q1, switching tube Q2 are igbt；The switching tube
Q1, switching tube Q2 first switch end, second switch end and the 3rd switch terminals are respectively colelctor electrode, grid and emitter stage；It is described
Switching tube Q1, switching tube Q2 internal parallels have internal diode；The negative electrode of diode inside the switching tube Q1, switching tube Q2
It is connected with its colelctor electrode；The anode of diode is connected with its emitter stage inside the switching tube Q1, switching tube Q2.
In one of the embodiments, the high frequency transformer includes primary side winding Np and some vice-side winding Ns；It is described
The primary side winding Np of high frequency transformer Same Name of Ends is connected with the primary side connection end of the same name of the prime half-bridge circuit；The high frequency
The primary side winding Np of transformer different name end is connected with the different name primary side connection end of the prime half-bridge circuit.
In one of the embodiments, the high frequency transformer includes primary side winding Np and some vice-side winding Ns；It is described
The vice-side winding Ns of high frequency transformer is provided with centre tap；The regulation circuit is provided with just secondary connection end, bears secondary connection end
And node connection；The just secondary connection end of the regulation circuit, bear secondary connection end and node connection respectively with described in one
Vice-side winding Ns Same Name of Ends, the connection of different name end and centre tap connection.
In one of the embodiments, the regulation circuit is provided with positive charging end and negative charging end；The regulation circuit bag
Include magnetic amplifier Nm1, magnetic amplifier Nm2, diode D3, diode D4, inductance L1 and electric capacity C2；The magnetic amplifier Nm1's
Just secondary connection end of the one end as the regulation circuit；The sun of the other end of the magnetic amplifier Nm1 and the diode D3
Pole connects；The negative electrode of the diode D3 is connected with one end of the inductance L1；The negative electrode of the diode D3 is also with described two
Pole pipe D4 negative electrode connection；Node connection of the anode of the diode D4 as the regulation circuit；The inductance L1's
Positive charging end of the other end as the regulation circuit；The other end of the inductance L1 is connected with one end of the electric capacity C4；Institute
The other end for stating electric capacity C4 is connected with the anode of the diode D4；The other end of the electric capacity C4 is as the regulation circuit
Negative charging end；Negative secondary connection end of the one end of the magnetic amplifier Nm2 as the regulation circuit；The magnetic amplifier Nm2
The other end be connected with the anode of the diode D5；The negative electrode of the diode D5 is connected with the negative electrode of the diode D3；
The anode of one end of the magnetic amplifier Nm1, one end of the magnetic amplifier Nm2 and the diode D4 respectively with the high frequency
The one vice-side winding Ns of transformer Same Name of Ends, different name end and centre tap connection；
The positive pole of the electric capacity C4 connects the other end of the inductance L1；The negative pole of the electric capacity C4 connects the diode
D4 anode.
In one of the embodiments, the feedback circuit is provided with first input end, the second input and feedback end；It is described
The both ends of the first input end of feedback circuit and the second input respectively with the electric capacity C4 are connected.
In one of the embodiments, the control circuit is provided with first switch part control terminal, second switch part control terminal
And signal input part；The signal input part of the control circuit is connected with the feedback end of the feedback circuit；The control circuit
First switch part control terminal be connected with the anode of the diode D6；The negative electrode of the diode D6 and the magnetic amplifier
Nm1 other end connection；The second switch part control terminal of the control circuit is connected with the anode of the diode D7；Described two
Pole pipe D7 negative electrode is connected with the other end of the magnetic amplifier Nm2.
Brief description of the drawings
Fig. 1 is that the energy storage of a preferred embodiment of the present utility model is illustrated with the overall structure of unidirectional active equalization circuit
Figure；
Fig. 2 is the circuit diagram of basis equalization unit of the energy storage in unidirectional active equalization circuit shown in Fig. 1；
Fig. 3 is the circuit diagram of the post-module in the basis equalization unit shown in Fig. 2.
Embodiment
For the ease of understanding the utility model, the utility model will be described more fully below.But this practicality
It is new to realize in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these implementations
The purpose of example is to make the understanding more thorough and comprehensive to disclosure of the present utility model.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Refer to Fig. 1 to Fig. 3, be the better embodiment of the utility model one energy storage with unidirectional active equalization circuit 10,
For managing the charging process of battery, the energy storage is by various using the electric energy of external power supply with unidirectional active equalization circuit 10
Battery is connected the series battery charge to be formed；The energy storage can make series battery charge with unidirectional active equalization circuit 10
During, charged state similar in each batteries holding.The unidirectional active equalization circuit 10 of the energy storage includes some substantially equal
Weigh unit 20；The basis equalization unit 20 includes prime half-bridge circuit 30, the high frequency of the connection prime half-bridge circuit 30 becomes
The post-module 50 of depressor 40 and some connection high frequency transformers 40；The post-module 50 includes regulation circuit 60, connected
Connect feedback circuit 70, the control circuit 80 and diode D6, D7 of the connection feedback circuit 60 of the regulation circuit 60；Institute
Energy storage is stated to be connected with power supply with the unidirectional side of active equalization circuit 10；The opposite side of the unidirectional active equalization circuit 10 of the energy storage
It is connected with the series battery.
The energy storage is provided with positive power source terminal and negative power end with unidirectional active equalization circuit 10；The unidirectional active of the energy storage
The positive power source terminal and negative power end of equalizing circuit 10 are connected to external power supply；The energy storage is provided with unidirectional active equalization circuit 10
Some output ends；The energy storage is connected with the output end of unidirectional active equalization circuit 10 with the series battery.
Referring to Fig. 2, the prime half-bridge circuit 30 includes electric capacity C1, C2, C3, and switching tube Q1, Q2；The prime half
Bridge circuit 30 is provided with anode connection terminal, negative pole connection end, primary side connection end of the same name and different name primary side connection end；It is all described basic
The anode connection terminal of the prime half-bridge circuit 30 of balanced unit 20 to form the energy storage with unidirectional active equalization circuit by converging
10 positive power source terminal；All the negative pole connection end of the prime half-bridge circuit 30 of the basis equalization unit 20 is converged to form the storage
The negative power end of unidirectional active equalization circuit 10 can be used；Described switching tube Q1, Q2 are respectively equipped with first switch end, second switch end
And the 3rd switch terminals；Anode connection terminal of the one end of the electric capacity C1 as the prime half-bridge circuit 30；The electric capacity C1's
One end is connected with the first connection end of the switching tube Q1；The 3rd switch terminals of the switching tube Q1 are as prime half-bridge electricity
The primary side connection end of the same name on road 30, and be connected with the high frequency transformer 40；The 3rd switch terminals of the switching tube Q1 also with institute
State switching tube Q2 first switch end connection；The other end of the electric capacity C1 is connected with one end of the electric capacity C2；The electric capacity
The one end of the C1 other end also with the electric capacity C3 is connected；The other end of the electric capacity C2 is as the prime half-bridge circuit 30
Negative pole connection end；The other end of the electric capacity C2 is connected with the 3rd switch terminals of the switching tube Q2；The electric capacity C3's is another
The different name primary side connection end as the prime half-bridge circuit 30 is held, is connected with the high frequency transformer 40.
In wherein a kind of embodiment, the energy storage is provided with the first bus and the second mother with unidirectional active equalization circuit is interior
Line；All the anode connection terminal of the prime half-bridge circuit 30 of the basis equalization unit 20 connects first bus；Described
One bus extends positive power source terminal of the energy storage with unidirectional active equalization circuit；All primes of the basis equalization unit 20
The negative pole connection end of half-bridge circuit 30 connects second bus；It is equal with unidirectional active that second bus extends the energy storage
The negative power end of weighing apparatus circuit.
The basis equalization unit 20 also includes triggers circuit；The triggers circuit respectively with the switching tube Q1 second
Switch terminals and the switching tube Q2 second switch end connect.
Specifically, described switching tube Q1, Q2 are igbt；Switching tube Q1, Q2 internal parallel has body
Interior diode；Described switching tube Q1, Q2 first switch end, second switch end and the 3rd switch terminals are respectively colelctor electrode, grid
And emitter stage；The negative electrode of diode is connected with its colelctor electrode inside described switching tube Q1, Q2；Described switching tube Q1, Q2 body
The anode of interior diode is connected with its emitter stage.
The high frequency transformer 40 includes primary side winding Np and some vice-side winding Ns；The primary side of the high frequency transformer 40
Winding Np Same Name of Ends is connected with the primary side connection end of the same name of the prime half-bridge circuit 30；The primary side of the high frequency transformer 40
Winding Np different name end is connected with the different name primary side connection end of the prime half-bridge circuit 30；The secondary of the high frequency transformer 40
Winding Ns is provided with centre tap；Each vice-side winding Ns of the high frequency transformer 40 connects with the single post-module 50 respectively
Connect.
Referring to Fig. 3, the regulation circuit 60 includes magnetic amplifier Nm1, Nm2, diode D3, D4, D5, inductance L1 and electricity
Hold C4；The regulation circuit 60 is provided with just secondary connection end, bears secondary connection end, node connection, positive charging end and negative charging
End；Just secondary connection end of the one end of the magnetic amplifier Nm1 as the regulation circuit 60；The magnetic amplifier Nm1's is another
One end is connected with the anode of the diode D3；The negative electrode of the diode D3 is connected with one end of the inductance L1；Described two
Negative electrode of the pole pipe D3 negative electrode also with the diode D4 is connected；The anode of the diode D4 is as the regulation circuit 60
Node connection；Positive charging end of the other end of the inductance L1 as the regulation circuit 60；The other end of the inductance L1
It is connected with one end of the electric capacity C4；The other end of the electric capacity C4 is connected with the anode of the diode D4；The electric capacity C4
The other end as it is described regulation circuit 60 negative charging end；One end of the magnetic amplifier Nm2 is as the regulation circuit 60
Negative secondary connection end；The other end of the magnetic amplifier Nm2 is connected with the anode of the diode D5；The diode D5's
Negative electrode is connected with the negative electrode of the diode D3；One end of the magnetic amplifier Nm1, one end of the magnetic amplifier Nm2 and institute
State diode D4 anode Same Name of Ends, different name end and the centre with a vice-side winding Ns of the high frequency transformer 40 respectively
Tap connects.
The positive charging end and negative charging end of the regulation circuit 60 are as the energy storage with unidirectional active equalization circuit 10
Output end；The positive charging end and negative charging end of the regulation circuit 60 connect the positive pole of a battery in series battery and born respectively
Pole.
The feedback circuit 70 is provided with first input end, the second input and feedback end；The first of the feedback circuit 70
The both ends of input and the second input respectively with the electric capacity C2 are connected.
The control circuit 80 is provided with first switch part control terminal, second switch part control terminal and signal input part；It is described
The signal input part of control circuit 80 is connected with the feedback end of the feedback circuit 70；The first switch part of the control circuit 80
Control terminal is connected with the anode of the diode D6；The other end of the negative electrode of the diode D6 and the magnetic amplifier Nm1 connects
Connect；The second switch part control terminal of the control circuit 80 is connected with the anode of the diode D7；The moon of the diode D7
Pole is connected with the other end of the magnetic amplifier Nm2.
In wherein a kind of embodiment, to strengthen filter effect, the electric capacity C4 is electrochemical capacitor；The electric capacity C4's
Positive pole connects the other end of the inductance L1；The negative pole of the electric capacity C4 connects the anode of the diode D4.
When the energy storage is worked with unidirectional active equalization circuit 10, the energy storage is with unidirectional active equalization circuit 10 from outer
Connect power supply and obtain electric energy input；The energy storage uses the open loop of prime half-bridge circuit 30 and institute with unidirectional active equalization circuit 10
State the control mode of the closed loop of post-module 50.
The energy storage can be with polytype electricity with each basis equalization unit 20 of unidirectional active equalization circuit 10
Pond connects；The energy storage is only connected together with each basis equalization unit 20 of unidirectional active equalization circuit 10 in the same time
A type of battery；The triggers circuit adjusts the switch according to the battery types being connected with the basis equalization unit 20
The dutycycle of pipe Q1, Q2 break-make, the prime half-bridge circuit 30 in the basis equalization unit 20 is set to work in adaptation corresponding
On the open loop operating point of type cell characteristic.
Synchronous working state, asynchronous work are can be between each regulation circuit 60 in the same basis equalization unit 20
Make state and off position；The basis equalization unit 20 can be that connected each batteries realize separate equilibrium
Management, to meet a variety of working condition needs.
The voltage x current information of the detectable battery being connected with the regulation circuit 60 of the feedback circuit 70 simultaneously judges electricity
The state in pond, and to the control circuit 80 feed back battery status information；When needing to make in the basis equalization unit 20
Part regulation circuit 60 is when being stopped, then can be made by the corresponding control circuit 80 the corresponding magnetic amplifier Nm1,
Nm2 is off state, you can makes to adjust circuit 60 accordingly and is stopped, the adjustment circuit being stopped does not influence together
The normal work of other regulation circuits 60 in the one basis equalization unit 20；When needing to make the basis equalization unit
When part regulation circuit 60 in 20 carries out equalizaing charge to connected battery, then the corresponding basis of control circuit 80
The feedback signal of feedback circuit 70 and other adjustment signals, amplified respectively to the magnetic by the diode D6, diode D7
Device Nm1 and magnetic amplifier Nm2 send Setting signal, make described magnetic amplifier Nm1, Num2 by electric current according to Setting signal
Amplitude and adjust, the process is realized to the regulation of the closed loop of euqalizing current using described magnetic amplifier Nm1, Num2.
The energy storage is only used for the relatively low situation of battery electric quantity with the directed energy flowing of unidirectional active equalization circuit 10, makes
The energy storage with unidirectional active equalization circuit 10 is simple and reliable for structure, cost is cheap and efficiency high, without secondary equalization problem；Institute
Larger euqalizing current can be provided for battery by stating magnetic amplifier Nm1, Num2.
In the present embodiment, by the parallel connection of multiple basis equalization circuits, make the energy storage unidirectional active equalization electricity
The series battery that road compatible can be formed by all kinds battery, is embodied as the equalizaing charge of the type series battery, and carry
For the larger ability of equalization, reduce the management cost of series battery charge.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. the unidirectional active equalization circuit of a kind of energy storage, it is characterised in that including some basis equalization units；The basis equalization
Unit includes prime half-bridge circuit, the high frequency transformer of the connection prime half-bridge circuit and some connection high frequency transformers
Post-module；The post-module includes regulation circuit, the feedback circuit of the connection regulation circuit, the connection feedback electricity
The control circuit and diode D6 on road, diode D7；The energy storage is provided with positive power source terminal, negative electricity with unidirectional active equalization circuit
Source and some output ends.
2. the unidirectional active equalization circuit of energy storage according to claim 1, it is characterised in that the prime half-bridge circuit bag
Include electric capacity C1, electric capacity C2, electric capacity C3, and switching tube Q1, switching tube Q2；The prime half-bridge circuit is provided with anode connection terminal, born
Pole connection end, primary side connection end of the same name and different name primary side connection end；The prime half-bridge circuit of all basis equalization units
Anode connection terminal is converged to form positive power source terminal of the energy storage with unidirectional active equalization circuit；All basis equalization units
The negative pole connection end congruence of prime half-bridge circuit closes to form negative power end of the energy storage with unidirectional active equalization circuit.
3. the unidirectional active equalization circuit of energy storage according to claim 2, it is characterised in that the switching tube Q1, switch
Pipe Q2 is respectively equipped with first switch end, second switch end and the 3rd switch terminals；One end of the electric capacity C1 is as the prime half
The anode connection terminal of bridge circuit；One end of the electric capacity C1 is connected with the first connection end of the switching tube Q1；The switching tube
Of the same name primary side connection end of Q1 the 3rd switch terminals as the prime half-bridge circuit, and be connected with the high frequency transformer；Institute
First switch end of switching tube Q1 the 3rd switch terminals also with the switching tube Q2 is stated to be connected；The other end of the electric capacity C1 and institute
State electric capacity C2 one end connection；The one end of the other end of the electric capacity C1 also with the electric capacity C3 is connected；The electric capacity C2's is another
Negative pole connection end of the one end as the prime half-bridge circuit；The other end of the electric capacity C2 is opened with the 3rd of the switching tube Q2
Guan Duan connections；Different name primary side connection end of the other end of the electric capacity C3 as the prime half-bridge circuit, become with the high frequency
Depressor connects.
4. the unidirectional active equalization circuit of energy storage according to claim 3, it is characterised in that the switching tube Q1, switch
Pipe Q2 is igbt；The switching tube Q1, switching tube Q2 first switch end, second switch end and the 3rd switch
End is respectively colelctor electrode, grid and emitter stage；The switching tube Q1, switching tube Q2 internal parallels have internal diode；It is described to open
The negative electrode for closing diode inside pipe Q1, switching tube Q2 is connected with its colelctor electrode；Two inside the switching tube Q1, switching tube Q2
The anode of pole pipe is connected with its emitter stage.
5. the unidirectional active equalization circuit of energy storage according to claim 3, it is characterised in that the high frequency transformer includes
Primary side winding Np and some vice-side winding Ns；The primary side winding Np of high frequency transformer Same Name of Ends and prime half-bridge electricity
The primary side connection end of the same name connection on road；The primary side winding Np of high frequency transformer different name end and the prime half-bridge circuit
Different name primary side connection end connects.
6. the unidirectional active equalization circuit of energy storage according to claim 1, it is characterised in that the high frequency transformer includes
Primary side winding Np and some vice-side winding Ns；The vice-side winding Ns of the high frequency transformer is provided with centre tap；The regulation electricity
Road is provided with just secondary connection end, bears secondary connection end and node connection；It is the just secondary connection end of the regulation circuit, negative secondary
Connection end and node connection respectively the Same Name of Ends with a vice-side winding Ns, different name end is connected and centre tap connection.
7. the unidirectional active equalization circuit of energy storage according to claim 6, it is characterised in that the regulation circuit is provided with just
Charging end and negative charging end；The regulation circuit includes magnetic amplifier Nm1, magnetic amplifier Nm2, diode D3, diode D4, electricity
Feel L1 and electric capacity C2；Just secondary connection end of the one end of the magnetic amplifier Nm1 as the regulation circuit；The magnetic amplifier
The Nm1 other end is connected with the anode of the diode D3；The negative electrode of the diode D3 is connected with one end of the inductance L1；
Negative electrode of the negative electrode of the diode D3 also with the diode D4 is connected；The anode of the diode D4 is as the regulation electricity
The node connection on road；Positive charging end of the other end of the inductance L1 as the regulation circuit；The inductance L1's is another
End is connected with one end of the electric capacity C4；The other end of the electric capacity C4 is connected with the anode of the diode D4；The electric capacity
Negative charging end of the C4 other end as the regulation circuit；One end of the magnetic amplifier Nm2 is as the regulation circuit
Bear secondary connection end；The other end of the magnetic amplifier Nm2 is connected with the anode of the diode D5；The moon of the diode D5
Pole is connected with the negative electrode of the diode D3；One end of the magnetic amplifier Nm1, one end of the magnetic amplifier Nm2 and described
Diode D4 anode Same Name of Ends, different name end and the centre tap with a vice-side winding Ns of the high frequency transformer respectively
Connection；
The positive pole of the electric capacity C4 connects the other end of the inductance L1；The negative pole of the electric capacity C4 connects the diode D4's
Anode.
8. the unidirectional active equalization circuit of energy storage according to claim 7, it is characterised in that the feedback circuit is provided with the
One input, the second input and feedback end；The first input end of the feedback circuit and the second input respectively with the electricity
Hold C4 both ends connection.
9. the unidirectional active equalization circuit of energy storage according to claim 8, it is characterised in that the control circuit is provided with the
One switch member control terminal, second switch part control terminal and signal input part；The signal input part of the control circuit with it is described anti-
The feedback end connection of current feed circuit；The first switch part control terminal of the control circuit is connected with the anode of the diode D6；Institute
The negative electrode for stating diode D6 is connected with the other end of the magnetic amplifier Nm1；The second switch part control terminal of the control circuit
It is connected with the anode of the diode D7；The negative electrode of the diode D7 is connected with the other end of the magnetic amplifier Nm2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720477580.2U CN206807058U (en) | 2017-04-28 | 2017-04-28 | The unidirectional active equalization circuit of energy storage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720477580.2U CN206807058U (en) | 2017-04-28 | 2017-04-28 | The unidirectional active equalization circuit of energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069876A (en) * | 2017-04-28 | 2017-08-18 | 易事特集团股份有限公司 | The unidirectional active equalization circuit of energy storage |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069876A (en) * | 2017-04-28 | 2017-08-18 | 易事特集团股份有限公司 | The unidirectional active equalization circuit of energy storage |
| CN107069876B (en) * | 2017-04-28 | 2023-11-07 | 易事特集团股份有限公司 | Unidirectional active equalization circuit for energy storage |
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