CN111834697A - Air-cooled energy storage module based on square lithium iron battery - Google Patents
Air-cooled energy storage module based on square lithium iron battery Download PDFInfo
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- CN111834697A CN111834697A CN202010610558.7A CN202010610558A CN111834697A CN 111834697 A CN111834697 A CN 111834697A CN 202010610558 A CN202010610558 A CN 202010610558A CN 111834697 A CN111834697 A CN 111834697A
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- box body
- sheet metal
- air
- partition plate
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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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
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an air-cooled energy storage module based on a square lithium iron battery, which comprises a hollow sheet metal box body (1); a plurality of partition plate supporting beams (2) are arranged on the inner side of the bottom of the sheet metal box body; the box body partition plates (3) are arranged at the tops of the partition plate support beams; a plurality of battery modules (5) which are longitudinally distributed at equal intervals are arranged at the top of the box body partition plate; the opening of the box body partition plate between any two adjacent battery modules is provided with a first open slot (30); an axial flow fan (10) is installed on a front panel of the sheet metal box body through a hole; the lower part of the rear panel of the sheet metal box body is provided with air inlets (101) which are transversely distributed; the top of the sheet metal box body is provided with a box body upper cover (8). The square battery module is scientific in structural design, overcomes the defects of uneven heat dissipation, unsmooth heat conduction path and the like of the square battery module, effectively solves the problems of poor ventilation, uneven cell temperature and the like in the energy storage module, and is beneficial to improving the service performance and the cycle life of the energy storage module.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to an air-cooled energy storage module based on a square lithium iron battery.
Background
At present, as the national energy system mainly based on coal is transformed to clean energy, intermittent power supplies such as wind power and photoelectricity gradually occupy the main part of newly-added power supplies, but the fluctuation of the power generation side is larger and larger, which brings a problem to scheduling.
The energy storage power station can charge and discharge, can discharge in the peak of power consumption, can charge in the time of the low ebb, can effectively stabilize the interior peak valley fluctuation of electric wire netting. The energy storage power station has rapid response speed, has obvious advantages in the field of auxiliary services compared with the conventional generator set, and can provide various services such as peak regulation and frequency modulation, accident standby, emergency power support and the like for a power grid at millisecond speed.
Meanwhile, the quick response of the energy storage power station can compensate the randomness and the intermittence of renewable energy sources, the receiving capacity of a power grid to the renewable energy sources can be greatly improved, the emission of carbon dioxide and sulfur dioxide can be reduced, the overall efficiency of an energy system is improved, the energy production and the consumption green transformation are accelerated, and the replacement of main energy sources from fossil energy sources to the renewable energy sources is promoted.
Energy storage module is the core energy memory of energy storage power station, and most energy storage module all adopt square lithium iron battery as the energy unit at present, based on square battery structural characteristic, square battery module ubiquitous heat dissipation is inhomogeneous, heat conduction route defects such as unsmooth to lead to energy storage module's inside ventilation harmfully, the inhomogeneous scheduling problem of electric core temperature, and then influence energy storage module's performance and life cycle.
Disclosure of Invention
The invention aims to provide an air-cooled energy storage module based on a square lithium iron battery, aiming at the technical defects in the prior art.
Therefore, the invention provides an air-cooled energy storage module based on a square lithium iron battery, which comprises a hollow sheet metal box body with an opening at the top;
a plurality of longitudinally distributed and transversely spaced partition plate supporting beams are arranged on the inner side of the bottom of the sheet metal box body;
box body partition boards are arranged at the tops of the partition board support beams;
a bottom air circulation space is formed between the bottom surface of the box body partition plate and the inner side surface of the bottom of the sheet metal box body;
a plurality of battery modules which are longitudinally (namely in the front-back direction) and are distributed at equal intervals are arranged at the top of the box body partition plate;
the opening of the box body partition plate between any two adjacent battery modules is provided with a first open slot which is transversely distributed;
an axial flow fan is installed on a front panel of the sheet metal box body through a hole;
the lower part of the rear panel of the sheet metal box body is provided with air inlets which are transversely distributed;
the top of the sheet metal box body is provided with a box body upper cover.
Wherein, the left and right sides of battery module respectively with the panel about the panel of panel beating box between, have the clearance of predetermineeing the width.
Wherein, the lower part of the inner side of the rear panel of the sheet metal box body is provided with a box body rear wind shield;
the box body rear wind shield is arranged at the top of the rear end of the box body partition plate;
a box body rear air circulation cavity with an open bottom is formed between the rear side surface of the box body rear wind shield and the inner side of the rear panel of the sheet metal box body;
the opening of the wind shield at the rear part of the box body is provided with a second open slot which is transversely distributed;
the second open slot is arranged corresponding to the front and the back of the air inlet.
The second open slot and the center of the air inlet are positioned on the same straight line.
Wherein, the lower part of the inner side of the front panel of the sheet metal box body is provided with a front wind shield of the box body;
the front wind shield of the box body is arranged at the top of the front end of the box body partition plate;
the box baffle is provided with first fluting in the position between the battery module in the forefront of box anterior deep bead.
Compared with the prior art, the air-cooled energy storage module based on the square lithium iron battery has the advantages that the structural design is scientific, the defects of uneven heat dissipation, unsmooth heat conduction path and the like of a square battery module are overcome, the problems of poor ventilation inside the energy storage module, uneven battery core temperature and the like are effectively solved, the service performance and the cycle life of the energy storage module are favorably improved, and the air-cooled energy storage module based on the square lithium iron battery has great production practice significance.
Drawings
Fig. 1 is a three-dimensional exploded view of an air-cooled energy storage module based on a square lithium iron battery provided by the invention;
fig. 2 is a schematic diagram of an internal air duct when viewed from the side of the air-cooled energy storage module based on a square lithium iron battery provided by the invention, and an arrow indicates the flowing direction of air;
in the figure, 1, a sheet metal box body; 2. a partition support beam; 3. a box body clapboard; 4. a wind shield at the rear part of the box body; 5. a battery module;
6. a battery cell upper bracket; 7. a connecting row; 8. the box body is covered; 9. a wind shield at the front part of the box body; 10. an axial flow fan;
11. a positive connector, 12, a negative connector;
30. a first slot, 40, a second slot.
Detailed Description
In order to make the technical means for realizing the invention easier to understand, the following detailed description of the present application is made in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
It should be noted that in the description of the present application, the terms of direction or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.
In addition, it should be noted that, in the description of the present application, unless otherwise explicitly specified and limited, the term "mounted" and the like should be interpreted broadly, and may be, for example, either fixedly mounted or detachably mounted.
The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.
Referring to fig. 1 and 2, the invention provides an air-cooled energy storage module based on a square lithium iron battery, which comprises a hollow sheet metal box body 1 with an open top;
a plurality of longitudinally distributed and transversely spaced partition plate supporting beams 2 are arranged on the inner side of the bottom of the sheet metal box body 1;
the box body partition plates 3 are arranged at the tops of the partition plate support beams 2; a bottom air flow space is formed between the bottom surface of the box partition plate 3 and the inner side surface of the bottom of the sheet metal box 1.
A plurality of battery modules 5 (not limited to the three battery modules shown in fig. 1) are arranged at equal intervals in the longitudinal direction (i.e., the front-rear direction) on the top of the box partition 3;
the opening of the box body partition plate 3 between any two adjacent battery modules 5 is provided with a first open slot 30 which is transversely distributed;
an axial flow fan 10 is installed on a front panel of the sheet metal box body 1 through a hole;
the lower part of the rear panel of the sheet metal box body 1 is provided with air inlets 101 which are transversely distributed;
the top of panel beating box 1 is provided with box upper cover 8, and both form a box structure of relative sealed (except necessary air inlet and air-out structural design, other positions are relative sealed).
In the invention, in a concrete implementation, a gap with a preset width is formed between the left side and the right side of the battery module 5 and the left panel and the right panel of the sheet metal box body 1 respectively, so that air circulation is facilitated, and the heat dissipation effect is enhanced.
In the invention, in the concrete implementation, a box body rear wind shield 4 is arranged at the lower part of the inner side of the rear panel of the sheet metal box body 1;
the box body rear wind shield 4 is arranged at the top of the rear end of the box body partition plate 3;
a box rear air circulation cavity with an open bottom is formed between the rear side surface of the box rear wind shield 4 and the inner side of the rear panel of the sheet metal box 1;
a second open slot 40 which is transversely distributed is arranged at the opening of the wind shield 4 at the rear part of the box body;
the second slot 40 is arranged corresponding to the air inlet 101.
In a specific implementation, the second slot 40 and the center of the air inlet 101 are located on the same straight line.
In the invention, in the concrete implementation, the lower part of the inner side of the front panel of the sheet metal box body 1 is provided with a box body front wind shield 9;
the front wind shield 9 of the box body is arranged at the top of the front end of the box body partition plate 3;
the case partition 3 is provided with a first slit 30 at a position between the case front windshield 9 and the foremost battery module 5.
In the invention, in particular, an upper battery core bracket 6 is arranged at the top of the battery module 5;
a plurality of connecting and discharging inlet holes are formed in the upper opening of the battery cell upper bracket 6;
a plurality of connection discharge inlets for receiving the connection rows 7.
In the present invention, in a concrete implementation, a positive connector 11 and a negative connector 12 are respectively disposed on the left and right sides of the axial flow fan 10 on the front panel of the sheet metal box 1.
It should be noted that the air-cooled energy storage module based on the square lithium iron battery provided by the invention comprises a sheet metal box body for bearing a battery module, wherein a plurality of battery modules which are mutually connected in series are arranged in the sheet metal box body, each battery module comprises an electric core, an electric core upper support is arranged at the top of each electric core module, aluminum bars are connected among the electric cores, and connecting copper bars are used among the battery modules.
In the invention, a special air cooling channel designed for the battery module is arranged in the sheet metal box body, and after an axial flow fan arranged on a front panel of the sheet metal box body works, cold air can enter the box body along the channel to cool the battery module.
For the invention, an explosion schematic diagram of the internal structure of the air-cooled energy storage module is shown in fig. 1, and a schematic diagram of an internal air duct of the air-cooled energy storage module is shown in fig. 2. The inside design of panel beating box 1 has box baffle 3, and box baffle 3 is as an organic whole with panel beating box 1 welding to receive a plurality of baffle supporting beam 2 to support, thereby can build partly space (bottom circulation of air space promptly) in panel beating box 1 lower part, can be used to the entering and the flow of cold air. A plurality of battery modules 5 which are connected in series are arranged on the box body partition plate 3 in sequence, certain intervals exist between the battery modules in the length direction (namely the longitudinal direction) of the sheet metal box body, meanwhile, the box body partition plate 3 is provided with a slotted structure (a first slot 30) at the corresponding position between the battery modules 5, and each first slot is designed into a grid form according to the air volume and the air pressure.
The design of the rear portion of panel beating box 1 has box rear portion deep bead 4, and box rear portion deep bead 4 can create a cavity (preceding box rear portion circulation of air cavity promptly) with box baffle 3 at the rear portion of battery module, and this cavity establishes ties with the cavity (bottom circulation of air space promptly) of panel beating box 1 lower part, and the design has second fluting 40 on the box rear portion deep bead 4 simultaneously, and box rear portion deep bead 4 can be used to the cold air reposition of redundant personnel.
In the concrete realization, arrange the axial fan 10 work back of panel beating box 1 front panel in, cold air at first enters into panel beating box 1 rear portion cavity (be preceding) from air intake 101 of the rear portion below of panel beating box 1, along with the flow of cold air, partly air enters into inside the box through the second fluting on box rear portion deep bead 4, can cool off the side of last battery module, partly air can enter into box lower part cavity (be bottom circulation of air space), and enter into between the battery module 5 through the first fluting structure on the box baffle 3, thereby cool off electric core side. The design of the front portion of the sheet metal box body 1 is provided with a box body front wind shield 9, and cold air can flow upwards along the large plane of the rear side of the box body front wind shield 9 after entering the box body through the first slot at the front of the box body so as to cool the side face of the first module.
Compared with the prior art, the air-cooled energy storage module based on the square lithium iron battery has scientific structural design, overcomes the defects of uneven heat dissipation, unsmooth heat conduction path and the like of a square battery module, further effectively solves the problems of poor ventilation, uneven cell temperature and the like in the energy storage module, is favorable for improving the service performance and cycle life of the energy storage module, and has great production practice significance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. An air-cooled energy storage module based on a square lithium iron battery is characterized by comprising a hollow sheet metal box body (1) with an opening at the top;
a plurality of longitudinally distributed and transversely spaced partition plate supporting beams (2) are arranged on the inner side of the bottom of the sheet metal box body (1);
box body partition plates (3) are arranged at the tops of the partition plate support beams (2);
a bottom air circulation space is formed between the bottom surface of the box body partition plate (3) and the inner side surface of the bottom of the sheet metal box body (1);
a plurality of battery modules (5) which are longitudinally distributed at equal intervals are arranged at the top of the box body partition plate (3);
the opening of the box body partition plate (3) between any two adjacent battery modules (5) is provided with a first open slot (30) which is transversely distributed;
an axial flow fan (10) is installed on a front panel of the sheet metal box body (1) through a hole;
the lower part of the rear panel of the sheet metal box body (1) is provided with air inlets (101) which are transversely distributed;
the top of the sheet metal box body (1) is provided with a box body upper cover (8).
2. The air-cooled energy storage module based on square lithium iron batteries according to claim 1, wherein the left and right sides of the battery module (5) are respectively provided with a gap with a preset width with the left and right panels of the sheet metal box body (1).
3. The air-cooled energy storage module based on the square lithium iron battery as claimed in claim 1, wherein a box rear wind shield (4) is arranged at the lower part of the inner side of the rear panel of the sheet metal box (1);
the box body rear wind shield (4) is arranged at the top of the rear end of the box body partition plate (3);
a box rear air circulation cavity with an open bottom is formed between the rear side surface of the box rear wind shield (4) and the inner side of the rear panel of the sheet metal box (1);
the opening of the wind shield (4) at the rear part of the box body is provided with a second open slot (40) which is transversely distributed;
the second open slot (40) and the air inlet (101) are arranged in a front-back corresponding mode.
4. The square lithium iron battery-based air-cooled energy storage module as claimed in claim 3, wherein the second slot (40) is aligned with the center of the air inlet (101).
5. The air-cooled energy storage module based on the square lithium iron battery as claimed in any one of claims 1 to 4, wherein a front wind shield (9) of the box body is arranged at the lower part of the inner side of the front panel of the sheet metal box body (1);
the front wind shield (9) of the box body is arranged at the top of the front end of the box body partition plate (3);
the box body partition plate (3) is provided with a first groove (30) at a position between a box body front wind shield (9) and the battery module (5) at the forefront.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610558.7A CN111834697A (en) | 2020-06-30 | 2020-06-30 | Air-cooled energy storage module based on square lithium iron battery |
| US17/033,913 US11527793B2 (en) | 2020-06-30 | 2020-09-27 | Air-cooled energy storage module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010610558.7A CN111834697A (en) | 2020-06-30 | 2020-06-30 | Air-cooled energy storage module based on square lithium iron battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111834697A true CN111834697A (en) | 2020-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010610558.7A Pending CN111834697A (en) | 2020-06-30 | 2020-06-30 | Air-cooled energy storage module based on square lithium iron battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111834697A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193266A (en) * | 2021-05-31 | 2021-07-30 | 沃太能源股份有限公司 | Air-cooled energy storage battery |
| CN114006077A (en) * | 2021-10-22 | 2022-02-01 | 安徽汉星能源有限公司 | High-efficient heat dissipation photovoltaic energy storage battery box |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
-
2020
- 2020-06-30 CN CN202010610558.7A patent/CN111834697A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193266A (en) * | 2021-05-31 | 2021-07-30 | 沃太能源股份有限公司 | Air-cooled energy storage battery |
| CN114006077A (en) * | 2021-10-22 | 2022-02-01 | 安徽汉星能源有限公司 | High-efficient heat dissipation photovoltaic energy storage battery box |
| CN114006077B (en) * | 2021-10-22 | 2024-02-02 | 安徽汉星能源有限公司 | High-efficient heat dissipation photovoltaic energy storage battery box |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
| CN114678648B (en) * | 2022-03-28 | 2024-03-26 | 珠海科创电力电子有限公司 | Energy storage module restraint structure, energy storage module and assembly method |
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Effective date of registration: 20220126 Address after: 266500 Minshan Road, Huangdao District, Qingdao, Shandong Applicant after: LISHEN (QINGDAO) NEW ENERGY CO.,LTD. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone Huayuan science and Technology Park (outer ring) 38 Haitai South Road Applicant before: LISHEN POWER BATTERY SYSTEMS Co.,Ltd. |
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