CN206164367U - Vanadium battery measurement's converter circuit - Google Patents
Vanadium battery measurement's converter circuit Download PDFInfo
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- CN206164367U CN206164367U CN201621243465.0U CN201621243465U CN206164367U CN 206164367 U CN206164367 U CN 206164367U CN 201621243465 U CN201621243465 U CN 201621243465U CN 206164367 U CN206164367 U CN 206164367U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model aims at providing a vanadium battery measurement's converter circuit, including battery module, battery module on be equipped with the DCDC converter that is used for realizing the two -way flow of energy, the DCDC converter is equipped with the DCDC converter circuit of the two -way full -bridge of taking isolation transformer, the DCDC converter circuit includes high breaking the bridge, low breaking the bridge and isolation transformer, high breaking the bridge and low breaking the bridge are H type topological structure, be connected through isolation transformer between high breaking the bridge and the low breaking the bridge, the stability of during the battery module charge -discharge is improved, reduce battery module's damage, built -in freewheeling diode and two -way full -bridge converter, can be in the two -way flow that realizes the energy, carry out the afterflow protection to full -bridge converter, the stability of the charge -discharge operation is improved, the efficiency of the charge -discharge is improved.
Description
Technical field
The utility model is related to the field in terms of vanadium cell, including vanadium cell and related auxiliary converting circuit are researched and developed
With improvement, a kind of more particularly to converter circuit of vanadium cell discharge and recharge.
Background technology
With growth in the living standard, with the fast development of renewable energy power generation, wind energy, Solar lamp renewable energy
The scale in source gradually increases, but its there are problems that it is unstable and discontinuous, it is necessary to be equipped with corresponding energy storage device, therefore standby
Control with the discharge and recharge of vanadium cell is just important, and ripple occurs due to occur supply voltage in the discharge and recharge of battery
Dynamic and change, can cause to damage when charging to battery, and the service life of battery is reduced to a certain extent, improve battery
Degree of injury in discharge and recharge, improves maintenance cost.
Therefore it provides a kind of converter circuit of vanadium cell discharge and recharge, to can be set by the inside in battery module
Put converter circuit to protect battery module, by carrying out under-voltage, over-pressed, short-circuit and overtemperature protection to battery module, carry
The stability of module during high battery module discharge and recharge, reduces the damage of battery module, and built-in fly-wheel diode and two-way full-bridge become
Parallel operation, can carry out afterflow protection to full-bridge converter while the two-way flow of energy is realized, improve discharge and recharge operation
Stability, improves the efficiency of discharge and recharge, the problem with regard to becoming those skilled in the art's urgent need to resolve.
Utility model content
The purpose of this utility model is to provide a kind of converter circuit of vanadium cell discharge and recharge, to can be by battery
The inside of module arranges converter circuit and battery is protected, under-voltage, over-pressed, short-circuit and overheated by carrying out to battery module
Protection, improves stability during battery module discharge and recharge, reduces the damage of battery module, built-in fly-wheel diode and two-way full-bridge
Converter, can carry out afterflow protection to full-bridge converter while the two-way flow of energy is realized, improve discharge and recharge operation
Stability, improve discharge and recharge efficiency.
To solve technical problem described in background technology, the utility model is employed the following technical solutions：
A kind of converter circuit of vanadium cell discharge and recharge, including battery module, described battery module is provided with for reality
The DC/DC converters of the two-way flow of existing energy, DC/DC converters are provided with the DC/DC of the two-way full-bridge with isolating transformer and become
Converter circuit, DC/DC converter circuits include high breaking the bridge, low pressure bridge and isolating transformer, and high breaking the bridge and low pressure bridge are H types and open up
Structure is flutterred, is connected by isolating transformer between high breaking the bridge and low pressure bridge.
Preferably, described high breaking the bridge includes electric capacity C1, C2, C3, C4 and battery V1, electric capacity C1, electric capacity C2, electric capacity C3 and
Electric capacity C4 carries out bridge-type connection, electric capacity C1 and electric capacity C2 bridge arms 1 in series, electric capacity C3 and electric capacity C4 bridge arms 2 in series, bridge
Arm 1 and bridge arm 2 are in parallel, and the two ends of the high-pressure side winding of isolating transformer are connected respectively with bridge arm 1 and bridge arm 2, isolating transformer
High-pressure side winding and bridge arm 1 between connected by coiling Lr1, by switch K1 and power supply V1 structures after bridge arm 1 and the parallel connection of bridge arm 2
Into closed-loop path, electrochemical capacitor Cj and resistance R1 carries out in parallel with bridge arm 1 and bridge arm 2 simultaneously.
Preferably, described electric capacity C1 respectively with sustained diode 1 and switch Q1 it is in parallel, electric capacity C2 respectively with afterflow two
Pole pipe D2 and switch Q2 it is in parallel, electric capacity C3 respectively with sustained diode 3 and switch Q3 it is in parallel, electric capacity C4 respectively with the pole of afterflow two
Pipe D4 and switch Q4 are in parallel, and in parallel sustained diode 1 can carry out afterflow to circuit, voltage that can be in circuit with
The stable maintenance of electric current is carried out when electric current changes, the stability of circuit is improved, the fluctuation of electric current in circuit is reduced.
Preferably, described low pressure bridge includes electric capacity C5, C6, C7, C8 and battery V2, electric capacity C5, electric capacity C6, electric capacity C7 and
Electric capacity C8 carries out bridge-type connection, electric capacity C5 and electric capacity C6 bridge arms 3 in series, electric capacity C7 and electric capacity C8 bridge arms 4 in series, bridge
Arm 3 and bridge arm 4 are in parallel, and the two ends of the low-pressure side winding of isolating transformer are connected respectively with bridge arm 3 and bridge arm 4, isolating transformer
Low-pressure side winding and bridge arm 4 between connected by coiling Lr2, by coiling Lf and power supply V2 structures after bridge arm 3 and the parallel connection of bridge arm 4
Into closed-loop path.
Preferably, described electric capacity C5 respectively with sustained diode 5 and switch Q5 it is in parallel, electric capacity C6 respectively with afterflow two
Pole pipe D6 and switch Q6 it is in parallel, electric capacity C7 respectively with sustained diode 7 and switch Q7 it is in parallel, electric capacity C8 respectively with the pole of afterflow two
Pipe D8 and switch Q8 are in parallel.
Preferably, the isolating transformer between described high breaking the bridge and low pressure bridge is the high frequency transformation that switching frequency is 20k
Device.
Preferably, the operating frequency of described fly-wheel diode is 8～25kHz.
Operation principle, transformer both sides rectification/inversion unit is bridge-type structure, on high-tension side for voltage-type full-bridge knot
Structure, low-pressure side is current mode full bridge structure, and both sides can realize the two-way flow of energy, by battery module is carried out it is under-voltage,
Overvoltage, short circuit and overtemperature protection, improve stability during battery module discharge and recharge, reduce the damage of battery, the pole of built-in afterflow two
Pipe and two-way full-bridge converter, can carry out afterflow protection while the two-way flow of energy is realized to full-bridge converter, carry
The stability of high charge-discharge operation, improves the efficiency of discharge and recharge.
The beneficial effects of the utility model are：
1), by carrying out under-voltage, over-pressed, short-circuit and overtemperature protection to battery module, during raising battery module discharge and recharge
Stability, reduces the damage of battery module.
2), built-in fly-wheel diode and two-way full-bridge converter, can be while the two-way flow of energy be realized, to complete
Bridging parallel operation carries out afterflow protection, improves the stability of discharge and recharge operation.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing that needs are used is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, can be obtaining other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of converter circuit of the converter circuit specific embodiment of vanadium cell discharge and recharge of the utility model
Figure.
Specific embodiment
In order that those skilled in the art more fully understands the technical solution of the utility model, below in conjunction with accompanying drawing pair
The utility model is further detailed.
Fig. 1, a kind of converter circuit of vanadium cell discharge and recharge, including battery module are refer to, on described battery module
The DC/DC converters for realizing the two-way flow of energy are provided with, DC/DC converters are provided with the two-way full-bridge with isolating transformer
DC/DC converter circuits, DC/DC converter circuits include high breaking the bridge, low pressure bridge and isolating transformer, high breaking the bridge and low pressure bridge
H type topological structures are, are connected by isolating transformer between high breaking the bridge and low pressure bridge.
Further, described high breaking the bridge includes electric capacity C1, C2, C3, C4 and battery V1, electric capacity C1, electric capacity C2, electric capacity C3
Bridge-type connection is carried out with electric capacity C4, electric capacity C1 and electric capacity C2 bridge arms 1 in series, electric capacity C3 and electric capacity C4 bridge arms 2 in series,
Bridge arm 1 and bridge arm 2 are in parallel, and the two ends of the high-pressure side winding of isolating transformer are connected respectively with bridge arm 1 and bridge arm 2, isolate transformation
Connected by coiling Lr1 between the high-pressure side winding and bridge arm 1 of device, by switch K1 and power supply V1 after bridge arm 1 and the parallel connection of bridge arm 2
Closed-loop path is constituted, electrochemical capacitor Cj and resistance R1 carries out in parallel with bridge arm 1 and bridge arm 2 simultaneously.
Further, described electric capacity C1 respectively with sustained diode 1 and switch Q1 it is in parallel, electric capacity C2 respectively with afterflow
Diode D2 and switch Q2 it is in parallel, electric capacity C3 respectively with sustained diode 3 and switch Q3 it is in parallel, electric capacity C4 respectively with afterflow two
Pole pipe D4 and switch Q4 are in parallel, and in parallel sustained diode 1 can carry out afterflow to circuit, voltage that can be in circuit
The stable maintenance of electric current is carried out when changing with electric current, the stability of circuit is improved, the fluctuation of electric current in circuit is reduced.
Further, described low pressure bridge includes electric capacity C5, C6, C7, C8 and battery V2, electric capacity C5, electric capacity C6, electric capacity C7
Bridge-type connection is carried out with electric capacity C8, electric capacity C5 and electric capacity C6 bridge arms 3 in series, electric capacity C7 and electric capacity C8 bridge arms 4 in series,
Bridge arm 3 and bridge arm 4 are in parallel, and the two ends of the low-pressure side winding of isolating transformer are connected respectively with bridge arm 3 and bridge arm 4, isolate transformation
Connected by coiling Lr2 between the low-pressure side winding and bridge arm 4 of device, by coiling Lf and power supply V2 after bridge arm 3 and the parallel connection of bridge arm 4
Constitute closed-loop path.
Further, described electric capacity C5 respectively with sustained diode 5 and switch Q5 it is in parallel, electric capacity C6 respectively with afterflow
Diode D6 and switch Q6 it is in parallel, electric capacity C7 respectively with sustained diode 7 and switch Q7 it is in parallel, electric capacity C8 respectively with afterflow two
Pole pipe D8 and switch Q8 are in parallel.
Further, the isolating transformer between described high breaking the bridge and low pressure bridge is that switching frequency becomes for the high frequency of 20k
Depressor.
Further, the operating frequency of described fly-wheel diode is 8～25kHz.
Further, transformer both sides rectification/inversion unit is bridge-type structure, on high-tension side for voltage-type full-bridge knot
Structure, low-pressure side is current mode full bridge structure, and both sides can realize the two-way flow of energy, by battery module is carried out it is under-voltage,
Overvoltage, short circuit and overtemperature protection, improve stability during battery module discharge and recharge, reduce the damage of battery, the pole of built-in afterflow two
Pipe and two-way full-bridge converter, can carry out afterflow protection while the two-way flow of energy is realized to full-bridge converter, carry
The stability of high charge-discharge operation, improves the efficiency of discharge and recharge.
The above only describes some one exemplary embodiments of the present utility model by way of explanation, undoubtedly, for
One of ordinary skill in the art, in the case of without departing from spirit and scope of the present utility model, can be with a variety of
Mode is modified to described embodiment.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as
Restriction to the utility model claims.
Claims (7)
1. a kind of converter circuit of vanadium cell discharge and recharge, including battery module, it is characterised in that：Set on described battery module
There are the DC/DC converters for realizing the two-way flow of energy, DC/DC converters are provided with the two-way full-bridge with isolating transformer
DC/DC converter circuits, DC/DC converter circuits include high breaking the bridge, low pressure bridge and isolating transformer, high breaking the bridge and low pressure bridge it is equal
For H type topological structures, connected by isolating transformer between high breaking the bridge and low pressure bridge.
2. a kind of converter circuit of vanadium cell discharge and recharge according to claim 1, it is characterised in that described high breaking the bridge
Including electric capacity C1, C2, C3, C4 and battery V1, electric capacity C1, electric capacity C2, electric capacity C3 and electric capacity C4 carry out bridge-type connection, electric capacity C1 and
Electric capacity C2 bridge arms 1 in series, electric capacity C3 and electric capacity C4 bridge arms 2 in series, bridge arm 1 and bridge arm 2 it is in parallel, isolating transformer
The two ends of high-pressure side winding are connected respectively with bridge arm 1 and bridge arm 2, pass through between the high-pressure side winding and bridge arm 1 of isolating transformer
Coiling Lr1 connects, and closed-loop path, electrochemical capacitor Cj and resistance are constituted by switch K1 and power supply V1 after bridge arm 1 and the parallel connection of bridge arm 2
R1 carries out in parallel with bridge arm 1 and bridge arm 2 simultaneously.
3. a kind of converter circuit of vanadium cell discharge and recharge according to claim 2, it is characterised in that described electric capacity C1
In parallel with sustained diode 1 and switch Q1 respectively, electric capacity C2 is in parallel with sustained diode 2 and switch Q2 respectively, electric capacity C3 point
Not in parallel with sustained diode 3 and switch Q3, electric capacity C4 is in parallel with sustained diode 4 and switch Q4 respectively.
4. a kind of converter circuit of vanadium cell discharge and recharge according to claim 1, it is characterised in that described low pressure bridge
Including electric capacity C5, C6, C7, C8 and battery V2, electric capacity C5, electric capacity C6, electric capacity C7 and electric capacity C8 carry out bridge-type connection, electric capacity C5 and
Electric capacity C6 bridge arms 3 in series, electric capacity C7 and electric capacity C8 bridge arms 4 in series, bridge arm 3 and bridge arm 4 it is in parallel, isolating transformer
The two ends of low-pressure side winding are connected respectively with bridge arm 3 and bridge arm 4, pass through between the low-pressure side winding and bridge arm 4 of isolating transformer
Coiling Lr2 connects, and closed-loop path is constituted by coiling Lf and power supply V2 after bridge arm 3 and the parallel connection of bridge arm 4.
5. a kind of converter circuit of vanadium cell discharge and recharge according to claim 4, it is characterised in that described electric capacity C5
In parallel with sustained diode 5 and switch Q5 respectively, electric capacity C6 is in parallel with sustained diode 6 and switch Q6 respectively, electric capacity C7 point
Not in parallel with sustained diode 7 and switch Q7, electric capacity C8 is in parallel with sustained diode 8 and switch Q8 respectively.
6. a kind of converter circuit of vanadium cell discharge and recharge according to claim 1, it is characterised in that described high breaking the bridge
And the isolating transformer between low pressure bridge is the high frequency transformer that switching frequency is 20k.
7. a kind of converter circuit of vanadium cell discharge and recharge according to claim 3, it is characterised in that described afterflow two
The operating frequency of pole pipe is 8～25kHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243465.0U CN206164367U (en) | 2016-11-21 | 2016-11-21 | Vanadium battery measurement's converter circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243465.0U CN206164367U (en) | 2016-11-21 | 2016-11-21 | Vanadium battery measurement's converter circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164367U true CN206164367U (en) | 2017-05-10 |
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ID=58660407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243465.0U Active CN206164367U (en) | 2016-11-21 | 2016-11-21 | Vanadium battery measurement's converter circuit |
Country Status (1)
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| CN (1) | CN206164367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572024A (en) * | 2017-07-19 | 2019-09-18 | Redt Ltd Dublin Ireland | Charge initiator |
| CN110492753A (en) * | 2019-09-07 | 2019-11-22 | 陕西航空电气有限责任公司 | A kind of equivalent control method of the two-way full-bridge DC-DC converter with energy storage inductor |
-
2016
- 2016-11-21 CN CN201621243465.0U patent/CN206164367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2572024A (en) * | 2017-07-19 | 2019-09-18 | Redt Ltd Dublin Ireland | Charge initiator |
| GB2572024B (en) * | 2017-07-19 | 2022-04-27 | Redt Ltd Dublin Ireland | Charge initiator |
| CN110492753A (en) * | 2019-09-07 | 2019-11-22 | 陕西航空电气有限责任公司 | A kind of equivalent control method of the two-way full-bridge DC-DC converter with energy storage inductor |
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