CN106784481B - Horizontal groove stacked energy storage battery library - Google Patents
Horizontal groove stacked energy storage battery library Download PDFInfo
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- CN106784481B CN106784481B CN201611248272.9A CN201611248272A CN106784481B CN 106784481 B CN106784481 B CN 106784481B CN 201611248272 A CN201611248272 A CN 201611248272A CN 106784481 B CN106784481 B CN 106784481B
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- energy storage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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 invention provides a horizontal groove stacked energy storage battery library, which comprises at least 1 energy storage battery stack, a battery rack, a battery management system, an energy control system and a background monitoring system, wherein the energy storage battery stack comprises a plurality of energy storage battery stacks; the high-voltage energy storage battery stack can be formed by the serial connection of the energy storage battery modules, and the high-capacity energy storage battery library can be formed by the parallel connection of the energy storage battery stacks. The modularized design is convenient for large-scale energy storage batteries to be assembled and maintained, the occupied area of the energy storage battery stack can be effectively reduced by stacking the energy storage batteries in the horizontal grooves, and the volume density, the economy and the applicability of the energy storage battery stack are improved.
Description
Technical Field
The invention relates to the field of battery energy storage, in particular to a modularized horizontal groove stacked energy storage battery library.
Background
The development of renewable energy sources such as photovoltaic power generation, wind power generation and the like has been widely paid attention to and applied from the viewpoints of energy resources and environmental protection. Optimizing the renewable energy industry chain, realizing the intensive, large-scale and efficient development of renewable energy industry, has become an important direction of energy development.
The distributed power generation system is poor in stability of energy resources, and belongs to intermittent operation and is greatly influenced by climatic environment factors, so that the quality of electric energy generated by the medium-large-scale distributed power generation system is poor, and large impact can be formed by directly accessing to a power grid, which is an important reason for the wind and light discarding phenomenon in the existing part of wind and light resource superior areas.
In addition, the peak-to-valley phenomenon exists in the electricity consumption of the user side, and the electricity waste can be caused.
Thus, electrical energy storage applications are occurring. The energy storage system can play roles of load regulation, matching with new energy access, compensating line loss, power compensation, improving electric energy quality, isolated network operation, peak clipping and valley filling and the like in a power grid.
Compared with the physical energy storage modes such as pumped storage, flywheel energy storage and the like, the electrochemical energy storage has relatively low geographical requirements, the technology is relatively mature, and the method is a mode which is more applied in the current energy storage field. But electrochemical cells have lower energy density and volume density, large occupied area of large-scale energy storage facilities and large overhaul and maintenance difficulty, and increasingly prominently contradicts the current situation and the demand of the strong development of renewable energy power generation in areas with abundant wind and light resources in China.
Disclosure of Invention
In order to solve the problems in the prior art and solve the contradiction in practical application, the invention provides the horizontal groove stacked energy storage battery library, which is convenient for large-scale assembly and maintenance of energy storage batteries, can effectively reduce the occupied area of an energy storage battery stack and improve the volume density of the energy storage battery stack.
The technical scheme of the invention is as follows: the horizontal groove stacked energy storage battery library is characterized by comprising at least 1 energy storage battery stack, a battery rack, a battery management unit, an energy control system and a background monitoring system;
the energy storage battery stack comprises at least 2 energy storage modules which are connected in parallel, wherein the energy storage modules comprise at least 2 energy storage battery monomers which are horizontally stacked and placed on each layer of battery rack, and the energy storage battery monomers are connected in series, in parallel or in series-parallel;
the battery rack consists of a bottom supporting plate, a side wall baffle, a bracket, a clamping groove and a fan;
the battery management system performs layered, graded and unified management on the single batteries, the battery packs and the battery stacks, so that the battery packs achieve equal output, and the optimal running state and the longest running time of the system are ensured;
the energy control system is used for controlling the charging and discharging processes of each energy storage battery stack to perform alternating current-direct current conversion, and is arranged at the output end of the energy storage battery;
the background monitoring system is used for monitoring and controlling the operation condition of the energy storage battery bank, and is communicated with the battery management system and the energy control system through the CAN interface.
Further, the energy storage modules in each energy storage cell stack are the same, and for more than 2 different energy storage modules, the same energy storage modules are used for integrating the energy storage cell stacks, and then the different energy storage cell stacks are connected in parallel.
Further, the placement orientations of the energy storage battery monomers are consistent, namely, the lugs or the poles connected with the external circuit on all the energy storage battery monomers in each energy storage battery stack are in the same plane, and the plane is perpendicular to the installation ground.
Further, in each energy storage module, the energy storage battery monomers connected in series are arranged in a line, and the positive electrode and the negative electrode of the series battery are respectively connected with the negative electrode of the adjacent battery and the positive electrode of the adjacent battery; the parallel energy storage battery monomers are stacked and discharged in a layered manner, and the positive electrode and the negative electrode of the parallel battery are respectively connected with the positive electrode and the negative electrode of the adjacent battery above.
Further, the energy storage battery modules in the energy storage battery stacks are arranged in a line, the energy storage battery modules are stacked and discharged in layers between the rows, the positive and negative sequences of the battery modules in the same row are consistent, and the positive and negative sequences of the energy storage battery modules in two adjacent rows are opposite.
Further, adopt draw-in groove formula structure installation between bottom layer board, lateral wall baffle and the support of battery rack, be equipped with a plurality of draw-in grooves on the support, the connecting piece sets up in the draw-in groove, bottom layer board and lateral wall baffle pass through the connecting piece is installed on the support, be equipped with through-hole and fan on the lateral wall baffle.
The beneficial effects of the invention are as follows:
1. the connection among the parts of the battery rack adopts a clamping groove structure, so that the battery rack is convenient to transport, mount and dismount;
2. the fans on the wall surface of the battery frame can enable the temperature distribution of the battery working area to be more uniform, and consistency is improved;
3. the energy storage cell stack is modularized, so that the power and capacity of the cell stack can be rapidly amplified;
4. on the premise of certain power and capacity of the energy storage battery stack, the change of the occupied area of the energy storage battery stack can be realized rapidly by changing the number of stacked layers, and the flexibility and applicability of the design are enhanced;
5. all connections in the energy storage battery stack can realize visual management, and the operation and the maintenance are convenient, and the heat dissipation is convenient.
Drawings
FIG. 1 is a diagram of a battery rack of a horizontal stacked energy storage battery library according to the present invention;
fig. 2 is an enlarged structure diagram of a clamping groove connecting piece of a battery rack of a horizontal groove stacked energy storage battery library;
fig. 3 is a schematic diagram of placement and connection of energy storage battery modules of a horizontal stacked energy storage battery library according to the present invention;
fig. 4 is a schematic plan layout view of a stacked energy storage battery library with horizontal slots according to the present invention.
In the figure: 1. the system comprises a supporting plate, a support, a clamping groove, a side baffle, a fan, a connecting piece, an energy storage battery stack, a battery management system, an energy control system and a background monitoring system.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, fig. 1 is a battery frame structure diagram of a horizontal stacked energy storage battery library according to the present invention; fig. 2 is an enlarged structure diagram of a clamping groove connecting piece of a battery rack of a horizontal groove stacked energy storage battery library; fig. 3 is a schematic diagram of placement and connection of energy storage battery modules of a horizontal stacked energy storage battery library according to the present invention; fig. 4 is a schematic plan layout view of a stacked energy storage battery library with horizontal slots according to the present invention.
As shown in fig. 1 and 2, a structure diagram of a battery rack of a horizontal stacked energy storage battery library and an enlarged structure diagram of a card slot connector are provided, and the structure characteristics thereof include: the connection among the parts adopts a clamping groove structure, so that the transportation, the installation and the disassembly are convenient, and the height adjustment is flexible.
As shown in fig. 3, an energy storage module placement and connection schematic diagram of a horizontal-tank stacked energy storage battery library is provided, which is structurally characterized in that: the arrangement directions of the energy storage battery monomers are consistent, the polar posts connected with the external circuit on all the energy storage battery monomers are in the same plane, the plane is perpendicular to the installation ground, the energy storage battery monomers connected in series are arranged in a row in a straight line, and the positive electrode and the negative electrode of each battery connected in series are respectively connected with the negative electrode of the adjacent battery and the positive electrode of the adjacent battery.
As shown in FIG. 4, the horizontal tank stacked energy storage library is a schematic plan layout, and the energy storage battery library is formed by connecting N more than or equal to 1 energy storage battery stacks in parallel.
In the embodiment of the invention, all the energy storage battery monomers in the energy storage module are horizontally placed on the insulated battery rack, the battery rack plays a role in bearing the weight of the battery, and the connection part of the battery rack is of a clamping groove structure.
In the embodiment of the invention, each energy storage battery module is formed by connecting 12 energy storage single batteries in series, 1 energy storage battery module is arranged between every 2 baffles on the battery frame, 4 energy storage battery modules are arranged on each row of battery frames in the energy storage battery stack, 6 rows are arranged in total, and the rows are stacked in layers for arrangement.
Further, the positive and negative electrode sequences of the battery modules in the same row are completely consistent, and the positive and negative electrode sequences of the energy storage battery modules in two adjacent rows are opposite; the connection mode between the energy storage battery modules adopts a one-tap connection mode from one side to the other side and from the lower row to the upper row, namely, the front end and the rear end of the energy storage battery stack are removed from the connection line, the anode and the cathode of the energy storage module positioned in the middle are respectively connected with the cathode of the adjacent energy storage module and the anode of the adjacent energy storage module, and the anode or the cathode of the last energy storage module positioned in a row is connected with the anode or the cathode of the adjacent energy storage module right above.
Further, the battery management unit is connected with the battery pack in the energy storage battery module in series, acquires voltage and temperature of each single battery, performs fan control, and calculates and manages charge and discharge capacity of the battery module uniformly; the battery pack management system intensively analyzes the data uploaded by each battery management unit and gives an early warning, and simultaneously detects, protects and gives an alarm on the current and the total voltage of the energy storage module; the battery array management system communicates with the PCS and the background monitoring system by adopting CAN interfaces, so that the charge and discharge management and adjustment of the energy storage battery stack are realized.
The present invention has been described in detail above, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (1)
1. The horizontal groove stacked energy storage battery library is characterized by comprising at least 1 energy storage battery stack, a battery rack, a battery management system, an energy control system and a background monitoring system;
the energy storage battery stack comprises at least 2 energy storage modules which are connected in parallel, each energy storage module comprises at least 2 energy storage battery monomers which are horizontally stacked and placed on each layer of battery rack, and the 2 energy storage battery monomers are connected in series, in parallel or in series-parallel;
the battery management system is used for managing each energy storage battery cell to enable each energy storage battery cell to achieve equal output;
the energy control system is used for controlling the charging and discharging processes of each energy storage battery stack to perform alternating current-direct current conversion, and is arranged at the output end of the energy storage battery stack;
the background monitoring system is used for monitoring and controlling the operation condition of the energy storage battery bank and is connected with the battery management system and the energy control system through wires or wirelessly;
the energy storage modules in each energy storage battery stack are the same, for example, more than 2 different energy storage modules are used, the same energy storage modules are used for integrating the energy storage battery stacks, and then the energy storage battery stacks are connected in parallel;
in each energy storage module, the energy storage battery cells connected in series are arranged in a row in a straight line, and the positive electrode and the negative electrode of each energy storage battery cell connected in series are respectively connected with the negative electrode of the adjacent energy storage battery cell and the positive electrode of the adjacent energy storage battery cell; the parallel energy storage battery monomers are stacked and discharged in a layered manner, and the positive electrode and the negative electrode of the parallel energy storage battery monomers are respectively connected with the positive electrode and the negative electrode of the adjacent energy storage battery monomer above;
the battery rack comprises a bottom supporting plate, a side wall baffle, a bracket, a clamping groove and a connecting piece,
the bracket is provided with a plurality of clamping grooves, the connecting piece is arranged in the clamping grooves, the bottom supporting plate and the side wall baffle are arranged on the bracket through the connecting piece, and the side wall baffle is provided with a through hole and a fan;
the arrangement directions of the energy storage battery monomers are consistent, namely, the lugs or the poles connected with the external circuit on all the energy storage battery monomers in each energy storage battery stack are in the same plane, and the plane is perpendicular to the installation ground;
the energy storage modules in the energy storage battery stacks are arranged in a line, the energy storage modules are arranged in a row, the energy storage modules are stacked and discharged in layers, the positive and negative sequences of the energy storage battery monomers in the same row are consistent, and the positive and negative sequences of the energy storage modules in two adjacent rows are opposite.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611248272.9A CN106784481B (en) | 2016-12-29 | 2016-12-29 | Horizontal groove stacked energy storage battery library |
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| CN201611248272.9A CN106784481B (en) | 2016-12-29 | 2016-12-29 | Horizontal groove stacked energy storage battery library |
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| CN106784481B true CN106784481B (en) | 2023-04-28 |
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| CN109888416A (en) * | 2019-03-04 | 2019-06-14 | 江苏博煦电池科技有限公司 | A kind of method that lithium ion battery combines in series and parallel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104126236A (en) * | 2012-03-27 | 2014-10-29 | 索尼公司 | Galvanic unit, galvanic module, power storage system, electronic equipment, electric power system, and electric vehicle |
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| US20130011704A1 (en) * | 2008-07-07 | 2013-01-10 | Enervault Corporation | Redox Flow Battery System with Multiple Independent Stacks |
| CN102891270A (en) * | 2012-10-18 | 2013-01-23 | 双登集团股份有限公司 | Horizontal installation assembly for storage batteries |
| CN103532158B (en) * | 2013-10-28 | 2016-01-20 | 浙江南都电源动力股份有限公司 | A kind of micro-grid new energy hybrid energy storage system |
| CN203838316U (en) * | 2013-12-06 | 2014-09-17 | 东莞钜威新能源有限公司 | Circuit for measuring internal resistance of cell for battery pack management system |
| US20150372279A1 (en) * | 2014-06-24 | 2015-12-24 | Turboroto Inc. | Active battery stack system and method |
| CN104210761B (en) * | 2014-09-09 | 2017-11-17 | 安徽启光能源科技研究院有限公司 | Battery carrier in a kind of mobile energy storage container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104126236A (en) * | 2012-03-27 | 2014-10-29 | 索尼公司 | Galvanic unit, galvanic module, power storage system, electronic equipment, electric power system, and electric vehicle |
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