CN216054978U - Be applied to cylinder lithium cell energy storage unit of container energy storage - Google Patents
Be applied to cylinder lithium cell energy storage unit of container energy storage Download PDFInfo
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- CN216054978U CN216054978U CN202121706945.7U CN202121706945U CN216054978U CN 216054978 U CN216054978 U CN 216054978U CN 202121706945 U CN202121706945 U CN 202121706945U CN 216054978 U CN216054978 U CN 216054978U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to an energy storage unit, in particular to a cylindrical lithium battery energy storage unit applied to container energy storage. The technical scheme adopted by the utility model is as follows: the battery pack comprises cylindrical battery modules, wherein the cylindrical battery modules are connected in series, the connecting positions after the cylindrical battery modules are connected in series are sealed through a protective cover, a plurality of cylindrical battery modules are arranged in a rack in an up-down stacking mode, side covers are arranged on the left side and the right side of the rack, a protective cover is not arranged on the front side face of the rack, and the direction face where the series connecting pieces between the cylindrical battery modules are located is the front side face of the rack; the first-level heat dissipation assembly is arranged on the rear side face of the rack, a first-level air channel corresponding to each layer of cylindrical battery module is arranged in the first-level heat dissipation assembly, and a first-level heat dissipation fan is arranged at the tail end of the first-level air channel. The utility model has the advantages that: the cylindrical battery modules are arranged in a straight line on the rack, the space utilization rate is high, the heat dissipation performance is good, the serial combination is convenient, the acquisition module, the first-level heat dissipation assembly and the second-level heat dissipation assembly are reasonably distributed, and the electrical performance of the energy storage unit is guaranteed to be optimal.
Description
Technical Field
The utility model relates to an energy storage unit, in particular to a cylindrical lithium battery energy storage unit applied to container energy storage.
Background
The times are advanced, the science and technology moves ahead, and the application of the energy storage container is more and more extensive. Therefore, the energy storage container is preferentially selected to supply power, so that the energy storage container is efficient and convenient. Compared with the traditional fixed energy storage power station, the energy storage container allows ocean and road transportation, has strong mobility and is not limited by regions. With the continuous breakthrough of the future battery technology, the cost of the energy storage container is expected to be greatly reduced, and the prospect is expected to be promising.
At present, the container energy storage power station is internally composed of a plurality of song energy storage units, a plurality of cylindrical battery modules are arranged in the energy storage units, the internal arrangement is dense, a good heat dissipation structure layout is needed, and a rack structure which is fast to install and convenient to maintain is needed.
Disclosure of Invention
The utility model aims to provide a cylindrical lithium battery energy storage unit applied to container energy storage, which is applied to the construction of container energy storage power stations.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the cylindrical lithium battery energy storage unit applied to energy storage of containers comprises cylindrical battery modules which are connected in series by using a series connecting piece, and the connecting position after series connection is sealed by a protective cover,
the battery pack is characterized by further comprising a rack, a plurality of cylindrical battery modules are arranged in the rack in an up-down stacked mode, side covers are arranged on the left side and the right side of the rack, a front side face of the rack is not provided with a protective cover, and a direction face where serial connecting pieces among the cylindrical battery modules are located is the front side face of the rack;
a first-stage heat dissipation assembly arranged on the rear side surface of the frame, a first-stage air channel corresponding to each layer of cylindrical battery module, a first-stage heat dissipation fan arranged at the tail end of the first-stage air channel,
and the secondary heat dissipation assembly is positioned behind the primary heat dissipation assembly, a vertical converging air channel is arranged in the secondary heat dissipation assembly, and a secondary heat dissipation fan is arranged at the top of the converging air channel.
Preferably, the left side surface, the right side surface and the rear side surface inside the rack are provided with transverse connecting rods, the left side surface and the right side surface of the rack corresponding to each layer of cylindrical battery module are provided with inwards-protruding supporting plates, and the supporting plates on the left side and the right side support the same cylindrical battery module.
Preferably, the rack is a rectangular frame, the four corners of the rack are provided with stand columns, the transverse connecting rods are connected with the adjacent stand columns, the top of the rack is provided with a top protective cover, the bottom of the rack is provided with a bottom protective cover, the bottom of the rack is provided with an extending edge, and the extending edge is provided with a fixing hole.
Preferably, one side of the rack is provided with an acquisition module, a rack upright post at the position of the acquisition module is provided with a notch, and an acquisition circuit of the cylindrical battery module is connected into the acquisition module from the notch.
Preferably, the cylindrical battery module is assembled by adopting an integrally formed support for the cylindrical battery core, a gap is reserved between the cylindrical battery core and the cylindrical battery core, the positive electrode and the negative electrode of the cylindrical battery core are connected in parallel through a polar plate, the end face of the polar plate is provided with a connection port with a threaded hole, the edge of the series connection piece is provided with a U-shaped connecting groove, the series connection piece is fixed between the positive plate connection port and the negative plate connection port of the adjacent cylindrical battery module through screws, and the U-shaped connecting groove is positioned at the connection port.
Preferably, the protective cover is made of transparent PC material and is provided with a mounting taper hole, the protective cover shields the series connection piece, the two sides of the connection port of the cylindrical battery module are provided with convex connection columns, and the mounting taper hole of the protective cover is concentric with the connection columns and is fixed through screws.
Preferably, the acquisition module can acquire the cell voltage and the temperature parameters of all the battery modules of the energy storage unit at the same time.
Preferably, the primary heat dissipation assembly is internally provided with a primary air duct through a rectangular frame outer cover, each group of primary air ducts corresponds to one group of cylindrical battery modules, and the tail end of each primary air duct is provided with two primary heat dissipation fans.
Preferably, the second-stage heat dissipation assembly comprises a vertical rectangular box body and a second-stage heat dissipation fan, one side of the rectangular box body is free of a sealing surface, a fan mounting hole is formed in the top of the rectangular box body, the second-stage heat dissipation fan is mounted on the top of the rectangular box body, one side, free of the sealing surface, of the box body is located at the rear portion of the first-stage heat dissipation fan of the first-stage heat dissipation assembly, and the second-stage heat dissipation fan is located on the sealing surface of the top of the second-stage heat dissipation fan.
The utility model has the advantages that:
the cylindrical battery modules are arranged in a straight line on the rack, the space utilization rate is high, the heat dissipation performance is good, the serial combination is convenient, the acquisition module, the first-level heat dissipation assembly and the second-level heat dissipation assembly are reasonably distributed, and the electrical performance of the energy storage unit is guaranteed to be optimal.
The device is modular in design, good in ventilation efficiency, convenient to install and suitable for rapid arrangement.
Drawings
FIG. 1 is a schematic diagram of an appearance structure of a cylindrical lithium battery energy storage unit according to the present invention;
FIG. 2 is a schematic diagram of an exploded structure of a cylindrical lithium battery energy storage unit according to the present invention;
FIG. 3 is a schematic view of a serial appearance of cylindrical battery modules according to the present invention;
FIG. 4 is a schematic view of the appearance of a cylindrical battery module according to the present invention;
FIG. 5 is a schematic view of the external structure of the series connection member of the present invention;
FIG. 6 is a schematic view of an appearance of a protective cover according to the present invention;
FIG. 7 is a schematic view of the external appearance of the rack of the present invention;
FIG. 8 is a schematic view of an appearance structure of a primary heat sink assembly according to the present invention;
FIG. 9 is a schematic view of an appearance structure of a secondary heat dissipation assembly according to the present invention;
in the drawings: 1. the device comprises a cylindrical battery module, 2, a series connection piece, 3, a protective cover, 4, an acquisition module, 5, a rack, 6, a primary radiating assembly, 7, a secondary radiating assembly, 8, a side cover, 9, a connection port, 10, a U-shaped connection groove, 11 and an installation taper hole; 12. the heat radiator comprises a support plate, 13, a fixing hole, 14, an outer cover, 15, a primary heat radiating fan, 16, a primary air channel, 17, a converging air channel, 18, a secondary heat radiating fan, 19 transverse connecting rods, 20 and a notch.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples:
the utility model is shown in fig. 1 and 2, and is applied to a cylindrical lithium battery energy storage unit for container energy storage, which comprises a plurality of cylindrical battery modules 1 arranged in a stacked manner, wherein the cylindrical battery modules are connected in series by using a series connection piece 2, and the connection position after the series connection is sealed by a protective cover 3.
The cylindrical battery modules 1 which are arranged in a stacked mode are placed in a rack, side covers are arranged on the left side and the right side of the rack, a protective cover is not arranged on the front side face of the rack, and the direction face where the series connection piece 2 is located between the cylindrical battery modules 1 is the front side face of the rack.
The stacked cylindrical battery modules 1 can increase the electric quantity density in a unit space and reduce the occupied area. Is suitable for the use of high-density container energy storage stations.
The rear side of the rack is provided with a first-level heat dissipation assembly and a second-level heat dissipation assembly 7, the first-level heat dissipation assembly is arranged on the rear side of the rack without a protective cover, a first-level air channel corresponding to each layer of cylindrical battery module is arranged in the first-level heat dissipation assembly, and a first-level heat dissipation fan is arranged at the tail end of the first-level air channel.
The secondary heat dissipation assembly 7 is located behind the primary heat dissipation fan of the primary heat dissipation assembly, a vertical converging air channel is arranged in the secondary heat dissipation assembly, and the top of the converging air channel is provided with the secondary heat dissipation fan.
The heat source release of the high-density arrangement mode is also large, so that each group of cylindrical battery modules 1 is arranged to correspond to one primary air channel, and the cylindrical battery modules 1 are rapidly cooled. The back of the primary air duct is provided with a converging air duct which blows upwards so as to quickly release heat released by the battery module and avoid heat accumulation inside the battery module.
The conflux wind channel discharges heat to the top, is suitable for the narrow and small space in the container, and discharges the hot wind of a plurality of energy storage units to converge again.
The rack structure is as shown in fig. 7, the rack is a rectangular frame, the four corners are provided with upright columns, the left side and the right side are provided with protective covers, the transverse connecting rods are connected with the adjacent upright columns, the top of the rack is provided with a top protective cover, the bottom of the rack is provided with a bottom protective cover, the bottom of the rack is provided with an extension edge, the extension edge is provided with a fixing hole, and the fixing hole is used for fixing in a container. The container energy storage power supply is arranged after being installed and needs to be moved, and at the moment, the effective fixation in the container can reduce the shaking in the moving process, so that the safety in the moving process is improved.
The left side face, the right side face and the rear side face inside the rack 5 are provided with transverse connecting rods, the transverse connecting rods are connected with adjacent stand columns, inwards-protruding supporting plates 12 are arranged on the left side face and the right side face of the rack 5 corresponding to each layer of cylindrical battery module 1, and the supporting plates 12 on the left side face and the right side face support the same cylindrical battery module 1. The supporting plate 12 facilitates placement of the cylindrical battery module 1, installation and removal are convenient, and installation and maintenance are convenient.
As shown in fig. 2 and 3, one side of the rack is provided with an acquisition module, the rack upright at the position of the acquisition module is provided with a notch, and an acquisition circuit of the cylindrical battery module is connected to the acquisition module from the notch. The acquisition module 4 can acquire the monomer voltage and the temperature parameter of all battery modules of the energy storage unit at the same time so as to monitor the state of all cylindrical battery modules 1 in the energy storage unit and prevent the use faults in time.
As shown in fig. 4, the cylindrical battery module 1 is assembled by an integrally formed bracket for a cylindrical battery core, a gap is formed between the cylindrical battery core and the cylindrical battery core, the positive electrode and the negative electrode of the cylindrical battery core are connected in parallel through a polar plate, and the end surface of the polar plate is provided with a connection port 9 with a threaded hole.
The series connection connecting piece 2 is connected with the connecting ports 9 of the adjacent cylindrical battery modules 1, so that the series connection of all the cylindrical battery modules 1 is realized.
The edge of the series connection piece 2 is provided with a U-shaped connection groove 10, the series connection piece 2 is fixed between the positive plate connection port 9 and the negative plate connection port of the adjacent cylindrical battery module by screws, and the U-shaped connection groove 10 is located at the connection port 9. The U-shaped connecting groove 10 facilitates the positioning of the series connection connecting piece 2 and the connecting port 9, the installation efficiency is high, and the falling can be avoided during installation.
Cover protective cover 3 behind the adjacent cylinder battery module of series connection piece 2 series connection, protective cover 3 is transparent PC material, has installation taper hole 11 on it, and protective cover 3 shelters from series connection piece 2, and cylinder battery module is equipped with convex spliced pole in 9 both sides of connection port, and protective cover 3's installation taper hole 11 is concentric and passes through the fix with screw with the spliced pole. The protective cover 3 prevents the series connection piece 2 from being exposed, and the safety in maintenance and inspection is improved.
As shown in fig. 8, the primary heat dissipation assembly 6 has a primary air duct formed by rectangular frame enclosures 14, the enclosures 14 are arranged in a vertically stacked manner, and adjacent sides share the same, the primary air duct formed by each group of corresponding enclosures 14 corresponds to one group of cylindrical battery modules 1, and two primary heat dissipation fans are arranged at the tail end of each primary air duct.
The secondary heat dissipation assembly 7 comprises a vertical rectangular box body and a secondary heat dissipation fan 18, one side of the rectangular box body is not provided with a sealing surface, a fan mounting hole is formed in the top of the rectangular box body, the secondary heat dissipation fan 18 is mounted, one side of the box body without the sealing surface is located at the rear part of the primary heat dissipation fan of the primary heat dissipation assembly, and the secondary heat dissipation fan 18 is located on the sealing surface of the top of the secondary heat dissipation fan 18
In this embodiment, among the energy storage unit, cylindrical battery module 1 is arranged in a straight line from top to bottom in frame 5, and space utilization is high, good heat dissipation, and the series connection combination is convenient. The primary radiating component 6 and the secondary radiating component 7 are reasonably distributed, so that the radiating efficiency is high and the radiating effect is good; the energy storage unit is ensured to be in a better working temperature range.
In this embodiment, cylinder battery module 1 adopts integrated into one piece support equipment for cylinder electricity core, has certain clearance between electricity core and the electricity core, guarantees that the module security is high, good heat dissipation, and the terminal surface has threaded hole connection port 9, and the series-parallel connection is convenient. The series connection piece 2 is made of red copper nickel plating, has low contact internal resistance and strong overcurrent capacity, is provided with a U-shaped connecting groove 10, and is convenient and quick to install.
Claims (9)
1. A cylindrical lithium battery energy storage unit applied to container energy storage comprises cylindrical battery modules (1) which are connected in series by a series connecting piece (2), the connecting position after series connection is sealed by a protective cover (3),
the battery pack is characterized by further comprising a rack, a plurality of cylindrical battery modules are arranged in the rack in an up-down stacked mode, side covers are arranged on the left side and the right side of the rack, a front side face of the rack is not provided with a protective cover, and a direction face where the serial connection pieces (2) among the cylindrical battery modules (1) are located is the front side face of the rack;
the primary heat dissipation assembly is arranged on the rear side face of the rack, a primary air channel corresponding to each layer of cylindrical battery module is arranged in the primary heat dissipation assembly, and a primary heat dissipation fan is arranged at the tail end of each primary air channel;
and the secondary heat dissipation assembly (7) is positioned behind the primary heat dissipation assembly, a vertical converging air channel is arranged in the secondary heat dissipation assembly, and a secondary heat dissipation fan is arranged at the top of the converging air channel.
2. The cylindrical lithium battery energy storage unit applied to energy storage of containers as claimed in claim 1, wherein the left and right sides and the back side of the inside of the frame (5) are provided with transverse connecting rods, the left and right sides of the frame (5) corresponding to each layer of cylindrical battery modules (1) are provided with inwardly protruding support plates (12), and the left and right support plates (12) support the same cylindrical battery module (1).
3. The cylindrical lithium battery energy storage unit applied to container energy storage of claim 2, wherein the frame is a rectangular frame, the four corners are vertical columns, the horizontal connecting rods connect the adjacent vertical columns, the top of the frame is provided with a top shield, the bottom of the frame is provided with a bottom shield, the bottom of the frame is provided with an extension edge, and the extension edge is provided with a fixing hole.
4. The cylindrical lithium battery energy storage unit applied to energy storage of containers as claimed in claim 1, wherein one side of the frame is provided with an acquisition module, the frame pillar where the acquisition module is located is provided with a notch, and the acquisition circuit of the cylindrical battery module is connected to the acquisition module from the notch position.
5. The cylindrical lithium battery energy storage unit applied to energy storage of containers as claimed in claim 1, wherein the cylindrical battery module (1) is assembled by an integrally formed support for a cylindrical battery core, a gap is formed between the cylindrical battery core and the cylindrical battery core, the positive electrode and the negative electrode of the cylindrical battery core are connected in parallel through a polar plate, the end surface of the polar plate is provided with a connection port (9) with a threaded hole, the edge of the series connection piece (2) is provided with a U-shaped connection groove (10), the series connection piece (2) is fixed between the connection port (9) of the positive electrode plate and the connection port of the negative electrode plate of the adjacent cylindrical battery module through a screw, and the U-shaped connection groove (10) is positioned at the connection port (9).
6. The cylindrical lithium battery energy storage unit applied to container energy storage of claim 5, wherein the protective cover (3) is made of transparent PC material and has a mounting taper hole (11), the protective cover (3) shields the series connection member (2), the cylindrical battery module has a protruding connection post at both sides of the connection port (9), and the mounting taper hole (11) of the protective cover (3) is concentric with the connection post and fixed by screws.
7. The cylindrical lithium battery energy storage unit applied to container energy storage according to claim 1, wherein the collection module (4) can simultaneously collect the cell voltage and temperature parameters of all the battery modules of the energy storage unit.
8. The cylindrical lithium battery energy storage unit applied to container energy storage according to claim 1, wherein the primary heat dissipation assemblies (6) are formed into primary air channels through rectangular frame covers (14), each group corresponds to one group of cylindrical battery modules (1), and two primary heat dissipation fans are arranged at the tail end of each primary air channel.
9. The cylindrical lithium battery energy storage unit applied to energy storage of containers as claimed in claim 1, wherein the secondary heat dissipation assembly (7) comprises a vertical rectangular box body and a secondary heat dissipation fan (18), one side of the rectangular box body is not provided with a closed surface, the top of the rectangular box body is provided with a fan mounting hole and the secondary heat dissipation fan (18) is mounted, the side of the box body without the closed surface is arranged at the rear part of the primary heat dissipation fan of the primary heat dissipation assembly, and the secondary heat dissipation fan (18) is arranged on the closed surface at the top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121706945.7U CN216054978U (en) | 2021-07-26 | 2021-07-26 | Be applied to cylinder lithium cell energy storage unit of container energy storage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121706945.7U CN216054978U (en) | 2021-07-26 | 2021-07-26 | Be applied to cylinder lithium cell energy storage unit of container energy storage |
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| CN216054978U true CN216054978U (en) | 2022-03-15 |
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| CN202121706945.7U Active CN216054978U (en) | 2021-07-26 | 2021-07-26 | Be applied to cylinder lithium cell energy storage unit of container energy storage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811637A (en) * | 2023-07-06 | 2023-09-29 | 河南格润新能源科技有限公司 | Light stores up fills integrated intelligent charging station |
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2021
- 2021-07-26 CN CN202121706945.7U patent/CN216054978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116811637A (en) * | 2023-07-06 | 2023-09-29 | 河南格润新能源科技有限公司 | Light stores up fills integrated intelligent charging station |
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