CN110752655A - Hybrid energy storage device for realizing alternating-current constant-voltage charging - Google Patents
Hybrid energy storage device for realizing alternating-current constant-voltage charging Download PDFInfo
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- CN110752655A CN110752655A CN201911096921.1A CN201911096921A CN110752655A CN 110752655 A CN110752655 A CN 110752655A CN 201911096921 A CN201911096921 A CN 201911096921A CN 110752655 A CN110752655 A CN 110752655A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 35
- 238000010280 constant potential charging Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 39
- 238000007600 charging Methods 0.000 claims abstract description 26
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000010248 power generation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a hybrid energy storage device for realizing alternating current constant voltage charging, which comprises a charging power supply, an AC/DC converter, a composite energy storage system, a power conversion system, a constant voltage DC/DC module and a direct current load, wherein the AC/DC converter is connected with the charging power supply and converts alternating current of the charging power supply into direct current for output, the converted direct current input of the AC/DC converter passes through the power conversion system and then is transmitted to the composite energy storage system, the constant voltage DC/DC module is connected with the composite energy storage system and performs constant voltage conversion on the voltage of the composite energy storage system, the converted constant voltage is transmitted to the direct current load, and the power conversion system comprises a power supply rectifying and filtering circuit, a power conversion circuit and an output rectifying and filtering circuit which are sequentially and electrically connected. The invention has smart design and enhances the energy storage effect.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to a hybrid energy storage device for realizing alternating-current constant-voltage charging.
Background
The combined type energy storage system combining the double electric layer capacitor and the storage battery pack needs to be designed, and the combined type energy storage system needs to process alternating current before charging and is very important for stable charging.
Disclosure of Invention
The invention provides a hybrid energy storage device for realizing alternating current constant voltage charging, which can effectively solve the technical problems in the background.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a realize mixed energy memory that exchanges constant voltage charging, includes charging source, AC/DC converter, compound energy storage system, power conversion system, constant voltage DC/DC module, direct current load, AC/DC converter is connected and with charging source's alternating current conversion direct current output, via the direct current input of AC/DC converter's transform passes through power conversion system and then carries for compound energy storage system, constant voltage DC/DC module is connected with compound energy storage system and carries out the constant voltage transform with compound energy storage system's voltage, and the constant voltage transmission after the transform gives direct current load, power conversion system is including power rectification filter circuit, power conversion circuit, the output rectification filter circuit that connects gradually the electricity.
Preferably, the composite energy storage system comprises a storage battery charging circuit, an electric double layer capacitor and a storage battery pack, and the electric double layer capacitor absorbs electric energy after the converted current is transmitted to the power supply rectifying and filtering circuit through the AC/DC converter; the storage battery charging circuit charges the storage battery pack after receiving the current rectified from the output rectifying and filtering circuit, and the output voltage of the storage battery pack is regulated by the power conversion system.
Preferably, the charging power source is wind power generation or commercial power.
Preferably, the power rectification filter circuit is connected with the power conversion circuit, receives the current of the AC/DC converter, and transmits the current to the power conversion circuit, and the power conversion circuit transmits the current to the output rectification filter circuit for rectification and then outputs the current.
The invention has the beneficial effects that:
the output rectifying and filtering circuit can receive the electric signal after power conversion from the power conversion circuit, and rectifies and filters the received electric signal to obtain a direct current signal directly used for charging the storage battery pack without performing other conversion on the current; the double-electric-layer capacitor and the charging and storing set are used in a mixed mode, the advantages of the storage battery and the advantages of the double-electric-layer capacitor are combined, and the performance of the electric power energy storage device is improved. The invention has smart design and enhances the energy storage effect.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1: the invention is a working principle block diagram.
FIG. 2: the invention is a specific working principle block diagram.
In the figure: 1. the device comprises a charging power supply, 2, an AC/DC converter, 3, a constant voltage DC/DC module, 4, a composite energy storage system, 5, a power conversion system, 6, a storage battery charging circuit, 7, an electric double layer capacitor, 8, a storage battery pack, 9, a power supply rectifying and filtering circuit, 10, a power conversion circuit, 11, a direct current load, 12 and an output rectifying and filtering circuit.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the present invention provides a hybrid energy storage device for implementing AC constant voltage charging, including a charging power supply 1, an AC/DC converter 2, a composite energy storage system 4, a power conversion system 5, a constant voltage DC/DC module 3, and a DC load 11, where the AC/DC converter 2 is connected to the charging power supply 1 and converts AC power of the charging power supply 1 into DC power for output, the converted DC power input from the AC/DC converter 2 passes through the power conversion system 5 and then is transmitted to the composite energy storage system 4, the constant voltage DC/DC module 3 is connected to the composite energy storage system 4 and performs constant voltage conversion on voltage of the composite energy storage system 4, and the converted constant voltage is transmitted to the DC load 11.
Referring to fig. 2, the power conversion system 5 includes a power rectification filter circuit 9, a power conversion circuit 10, and an output rectification filter circuit 12, which are electrically connected in sequence, wherein the power rectification filter circuit 9 is connected to the power conversion circuit 10, receives the current of the AC/DC converter 2, and then transmits the current to the power conversion circuit 10, and the power conversion circuit 10 transmits the current to the output rectification filter circuit 12 for rectification and output, so that the power conversion circuit 10 can rectify and filter the received electrical signal to obtain a direct current signal directly used for charging the battery pack 8 without performing other conversion on the current.
Referring to fig. 2, the composite energy storage system 4 includes a battery charging circuit 6, an electric double layer capacitor 7, and a battery pack 8, and the converted current from the AC/DC converter 2 is transmitted to a power rectifying and filtering circuit 9, and then the electric double layer capacitor 7 absorbs the electric energy; the battery charging circuit 6 charges the battery pack 8 after receiving the current rectified from the output rectifying/smoothing circuit 12, and the output voltage of the battery pack 8 is adjusted by the power conversion system 5.
The charging power supply 1 is from wind power generation or commercial power.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (4)
1. The utility model provides a realize mixed energy memory that exchanges constant voltage and charge which characterized in that: including charging source (1), AC/DC converter (2), compound energy storage system (4), power conversion system (5), constant voltage DC/DC module (3), direct current load (11), AC/DC converter (2) are connected and with charging source (1) alternating current conversion direct current output, via direct current input of the transform of AC/DC converter (2) passes through power conversion system (5) and then carries for compound energy storage system (4), constant voltage DC/DC module (3) are connected with compound energy storage system (4) and carry out the constant voltage transform with the voltage of compound energy storage system (4), and constant voltage direct current load (11) after the transform, power conversion system (5) including power rectifier filter circuit (9), power conversion circuit (10) that connect gradually the electricity, power conversion system (10), And an output rectifying and filtering circuit (12).
2. A hybrid energy storage device for realizing ac constant voltage charging according to claim 1, wherein: the composite energy storage system (4) comprises a storage battery charging circuit (6), an electric double layer capacitor (7) and a storage battery pack (8), and converted current passing through the AC/DC converter (2) is transmitted to a power supply rectifying and filtering circuit (9) for processing and then absorbed by the electric double layer capacitor (7); the storage battery charging circuit (6) charges a storage battery pack (8) after receiving the current rectified from the output rectifying and filtering circuit (12), and the output voltage of the storage battery pack (8) is regulated by the power conversion system (5).
3. A hybrid energy storage device for realizing ac constant voltage charging according to claim 1, wherein: the charging power supply (1) is from wind power generation or commercial power.
4. A hybrid energy storage device for realizing ac constant voltage charging according to claim 2, wherein: the power supply rectification filter circuit (9) is connected with the power conversion circuit (10), receives the current of the AC/DC converter (2), transmits the current to the power conversion circuit (10), and transmits the current to the output rectification filter circuit (12) for rectification and then outputs the current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096921.1A CN110752655A (en) | 2019-11-11 | 2019-11-11 | Hybrid energy storage device for realizing alternating-current constant-voltage charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911096921.1A CN110752655A (en) | 2019-11-11 | 2019-11-11 | Hybrid energy storage device for realizing alternating-current constant-voltage charging |
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| Publication Number | Publication Date |
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| CN110752655A true CN110752655A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911096921.1A Pending CN110752655A (en) | 2019-11-11 | 2019-11-11 | Hybrid energy storage device for realizing alternating-current constant-voltage charging |
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2019
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| CN102214945A (en) * | 2010-12-21 | 2011-10-12 | 深圳市泰昂能源科技股份有限公司 | Direct current power system based on paralleling connection of storage batteries |
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Application publication date: 20200204 |