CN115295955A - Energy storage battery box - Google Patents
Energy storage battery box Download PDFInfo
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- CN115295955A CN115295955A CN202211186946.2A CN202211186946A CN115295955A CN 115295955 A CN115295955 A CN 115295955A CN 202211186946 A CN202211186946 A CN 202211186946A CN 115295955 A CN115295955 A CN 115295955A
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- box body
- plate
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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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
- H01M10/60—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
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to an energy storage battery box which comprises an outer box body, an inner box body and a battery module, wherein a liquid inlet hole and a liquid outlet hole are formed in the front side of the outer box body; the inner box body is arranged in the outer box body and is communicated with an outer cavity between the inner box body and the outer box body, the liquid inlet hole is communicated with the inside of the inner box body, and the liquid outlet hole is communicated with the outer cavity; the battery modules are provided with at least two rows and are arranged in the inner box body, and the periphery of each battery module is provided with a cooling flow channel positioned in the inner box body; the cooling liquid enters the cooling flow channel through the liquid inlet hole and then is discharged from the liquid outlet hole after passing through the outer cavity. The novel fire-fighting water pipe is simple in integral structure, good in heat dissipation effect, high in heat dissipation efficiency, good in fire-fighting performance and high in safety.
Description
Technical Field
The invention belongs to the technical field of energy storage battery box cooling, and particularly relates to an energy storage battery box.
Background
The energy storage system realizes peak clipping and valley filling and improves the quality of electric energy through electric energy collection, and the battery energy storage technology is an energy storage technology which has a better application prospect and is developed rapidly at present and occupies a mainstream position in the electrochemical energy storage market. The energy storage battery can produce a large amount of heats at the charge-discharge in-process, in order to guarantee the normal use of battery, need dispel the heat cooling to it.
At present, the battery energy storage system generally adopts two modes of air-cooled heat dissipation or indirect heat dissipation of liquid cooling plates, wherein when the air-cooled heat dissipation is adopted, the heat exchange capacity is poor and the heat dissipation efficiency is low because the heat conduction coefficient of air is low. And the indirect liquid cooling plate is adopted for heat dissipation, so that only one side of the battery module can be cooled, and a heat conducting pad is required to be added between the liquid cooling plate and the battery module, so that the complexity of a battery energy storage structure is increased, the heat exchange efficiency is low, and the cooling speed is low.
Disclosure of Invention
The invention aims to provide an energy storage battery box, which solves the problem of low cooling efficiency of the battery box.
The energy storage battery box is realized as follows:
an energy storage battery box comprises
The front side of the outer box body is provided with a liquid inlet hole and a liquid outlet hole;
the inner box body is arranged in the outer box body and is communicated with an outer cavity positioned between the inner box body and the outer box body, the liquid inlet hole is communicated with the inside of the inner box body, and the liquid outlet hole is communicated with the outer cavity;
the battery modules are arranged in at least two rows and are arranged in the inner box body, and a cooling flow channel positioned in the inner box body is arranged on the periphery of each battery module;
and the cooling liquid enters the cooling flow channel through the liquid inlet hole, then passes through the outer cavity and is discharged from the liquid outlet hole.
Further, the cooling flow channel comprises a main flow channel positioned between two adjacent rows of battery modules, a branch flow channel positioned at the front side and the rear side of each battery module, and a side flow channel positioned at the inner side of the side wall of the inner box body;
the cooling liquid enters the main runner through the liquid inlet hole, then converges to the side runner after passing through the sub-runners and enters the outer cavity.
Furthermore, the outer cavity comprises a front cavity positioned on the front side of the inner box body, side cavities positioned on two sides of the inner box body, a rear cavity positioned on the rear side of the inner box body, and an upper cavity positioned above the battery module;
the cooling liquid flows to the rear cavity, then flows to the front cavity after passing through the side cavity and the upper cavity, and is discharged from the liquid outlet hole.
Furthermore, the inner box body comprises a U-shaped runner plate, a front end plate used for sealing the front end of the runner plate and a rear end plate used for sealing the rear end of the runner plate.
Furthermore, the top of the side wall of the runner plate is provided with a flange which is bent inwards and is used for separating the side runner from the outer cavity.
Further, a communication hole is formed in the rear end plate to face the side flow channel.
Furthermore, a sealing batten used for separating the main flow channel from the outer cavity is arranged above the main flow channel.
Furthermore, a splitter plate is installed in the splitter channel, and the top of the splitter plate can separate the splitter channel from the outer cavity.
Furthermore, the flow distribution plate comprises a main plate and wing plates evenly arranged on two sides of the main plate, and baffles perpendicular to the main plate and the wing plates are respectively arranged at the top and the bottom of the main plate.
Further, the front side of interior box is provided with and is used for the intercommunication feed liquor spare in sprue and feed liquor hole.
After the technical scheme is adopted, the invention has the beneficial effects that:
the invention has simple integral structure, can not only form a complete one-way cooling channel around each battery module, ensure the heat dissipation effect and uniformity, improve the heat dissipation efficiency, but also completely immerse the battery modules in the cooling liquid, realize the real-time fire protection of the battery modules, and has better fire protection performance and higher safety.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a block diagram of an energy storage battery box according to a preferred embodiment of the present invention;
fig. 2 is a front sectional view of an energy storage battery box according to a preferred embodiment of the invention;
fig. 3 is a right side sectional view of an energy storage battery box according to a preferred embodiment of the invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a top sectional view of an energy storage battery box according to a preferred embodiment of the invention;
FIG. 6 is an enlarged view of portion B of FIG. 5;
fig. 7 is a structural view of the inside of the outer case body of the energy storage battery box according to the preferred embodiment of the invention;
fig. 8 is a structural diagram of one of the flow dividing plates of the energy storage battery box according to the preferred embodiment of the invention;
fig. 9 is a structural diagram of one of the flow dividing plates of the energy storage battery box according to the preferred embodiment of the invention;
fig. 10 is a structural view of a case body of an energy storage battery case according to a preferred embodiment of the present invention;
fig. 11 is a schematic view of the cooling flow channel and part of the outer cavity of the energy storage battery box according to the preferred embodiment of the invention;
in the figure: the battery box comprises an outer box body 1, a box body 1-1, a box cover 1-2, an inner box body 2, a runner plate 2-1, a front end plate 2-2, a rear end plate 2-3, a flanging 2-4, a battery module 3, a liquid inlet hole 4, a liquid outlet hole 5, a reinforcing rib 6, a liquid inlet pipe joint 7, a liquid outlet pipe joint 8, a main runner 9, a branch runner 10, a side runner 11, a front cavity 12, a side cavity 13, a rear cavity 14, an upper cavity 15, a front fixing frame 16, a rear fixing frame 17, a communication hole 18, a sealing pressing strip 19, a branch runner 20, a main board 20-1, a wing plate 20-2, a baffle 20-3, a liquid inlet part 21, a liquid inlet through hole 22, a convergence cavity 23, a through hole I24, a through hole II 25, a short circuit piece 26, a copper bar I27, a bus bar I28, a positive terminal 29, a negative terminal 30, a step I31, an insulating disc 32, a signal line joint 33, a copper bar II 34, a bus bar II 35, a step II 36 and a wiring groove assembly 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-11, an energy storage battery box comprises an outer box body 1, an inner box body 2 and a battery module 3, wherein a liquid inlet hole 4 and a liquid outlet hole 5 are formed in the front side of the outer box body 1; the inner box body 2 is arranged in the outer box body 1, the inner box body 2 is communicated with an outer cavity between the inner box body 2 and the outer box body 1, the liquid inlet hole 4 is communicated with the inside of the inner box body 2, and the liquid outlet hole 5 is communicated with the outer cavity; the battery modules 3 are arranged in at least two rows and are arranged in the inner box body 2, and the periphery of each battery module 3 is provided with a cooling flow channel positioned in the inner box body 2; the cooling liquid for cooling the battery module 3 enters the cooling flow channel through the liquid inlet hole 4 and then is discharged from the liquid outlet hole 5 after passing through the outer cavity.
Specifically, the outer box body 1 comprises a box body 1-1 and a box cover 1-2 covering the top of the box body 1-1, and the box body 1-1 and the box cover 1-2 are fixedly connected through a plurality of fastening bolts.
Preferably, the outer surface of the outer case 1 is provided with a plurality of ribs 6, which can effectively improve the structural strength of the outer case 1.
In order to facilitate the connection of a liquid inlet pipe and a liquid outlet pipe of cooling liquid, a liquid inlet pipe joint 7 is installed at the outer end of the liquid inlet hole 4, and a liquid outlet pipe joint 8 is installed at the outer end of the liquid outlet hole 5.
Preferably, in order to guarantee the structural strength of liquid inlet hole 4 and liquid outlet hole 5, liquid inlet hole 4 and liquid outlet hole 5 are arranged on vertical reinforcing rib 6 on the front side of outer box 1 in parallel.
In this embodiment, the liquid inlet hole 4 is located below and the liquid outlet hole 5 is located above.
In the present embodiment, the battery modules 3 are provided in two rows.
In order to achieve the overall cooling of the battery modules 3, the cooling channels include a main channel 9 between two adjacent rows of the battery modules 3, sub-channels 10 at the front and rear sides of each battery module 3, and side channels 11 at the inner sides of the sidewalls of the inner case 2.
Specifically, in the battery modules 3 in the same row, a bypass duct 10 is provided between the battery module 3 located at the foremost side and the front wall of the inner box 2; a shunt channel 10 is arranged between the battery module 3 positioned at the rearmost side and the rear wall of the inner box body 2; a diversion channel 10 is also arranged between two adjacent battery modules 3, and here two battery modules 3 share one diversion channel 10 between the two.
Specifically, the cooling liquid enters the main runner 9 through the liquid inlet hole 4, then flows to the side runner 11 through the sub-runners 10 and enters the outer cavity.
A main flow channel 9 is arranged between the two rows of battery modules 3, and the inner side surfaces of the battery modules 3 can be cooled after the cooling liquid enters the main flow channel 9; then the cooling liquid is shunted to each shunt passage 10, so that the front side surface and the rear side surface of the battery module 3 can be cooled; after the cooling liquid converges from the branch flow channel 10 to the side flow channel 11, the outer side surface of the battery module 3 can be cooled, so that efficient heat dissipation of the battery module 3 is realized.
After the cooling liquid flows from the main channel 9 to each sub-channel 10, the flow resistance of the liquid is consistent due to the consistent length of the channels of each sub-channel 10, so that the uniformity of cooling of each battery module 3 is ensured.
In order to discharge the coolant absorbing heat of the battery modules 3 from the liquid outlet holes 5, the outer cavities include a front cavity 12 located at the front side of the inner case 2, side cavities 13 located at both sides of the inner case 2, a rear cavity 14 located at the rear side of the inner case 2, and an upper cavity 15 located above the battery modules 3.
Specifically, the cooling liquid flows to the rear cavity 14, then flows through the side cavity 13 and the upper cavity 15, then flows to the front cavity 12, and is discharged from the liquid outlet hole 5.
In this process, the coolant flowing to the upper chamber 15 can cool the top of the battery modules 3, thereby further improving the heat dissipation effect of each battery module 3.
In order to separate the cooling flow channel from the front chamber 12 and the rear chamber 14 of the outer chamber, the inner case 2 includes a U-shaped flow channel plate 2-1, and a front end plate 2-2 for closing the front end of the flow channel plate 2-1 and a rear end plate 2-3 for closing the rear end of the flow channel plate 2-1.
Specifically, the front end plate 2-2 and the rear end plate 2-3 are respectively embedded at the front end and the rear end of the flow channel plate 2-1, and a sealing gasket is arranged between the front end plate and the flow channel plate 2-1 to ensure the sealing performance of the front end and the rear end of the inner box body 2.
Preferably, a front fixing frame 16 is arranged between the front end plate 2-2 and the front wall of the outer box 1, and a rear fixing frame 17 is arranged between the rear end plate 2-3 and the rear wall of the outer box 1, so that the stability of the inner box 2 can be ensured.
Wherein the front fixing frame 16 is arranged on the front side surface of the front end plate 2-2 and is positioned in the front cavity 12, and the rear fixing frame 17 is positioned at the top of the rear end plate 2-3.
In order to prevent the coolant in the side flow channels 11 from directly entering the upper cavity 15 and ensure the flow direction of the coolant from the side flow channels 11 to the rear cavity 14, the top of the side wall of the flow channel plate 2-1 is provided with flanges 2-4 which are bent inwards and used for separating the side flow channels 11 from the outer cavity.
Specifically, the turned-over edge 2-4 covers the top of the front end plate 2-2 and the top of the rear end plate 2-3, and the inner side of the turned-over edge is attached to the outer side face of the battery module 3.
Preferably, sealing gaskets are respectively arranged between the flanging 2-4 and the front end plate 2-2, the rear end plate 2-3 and the battery module 3 to ensure the sealing performance of the side flow channel 11 and prevent the cooling liquid in the side flow channel 11 from directly entering the upper cavity 15.
In order to facilitate the flow of the coolant from the side channels 11 into the rear chamber 14, the rear end plate 2-3 is provided with communication holes 18 opposed to the side channels 11.
Specifically, the communication hole 18 is a vertical kidney-shaped hole, which ensures the efficiency of the coolant entering the rear cavity 14 from the side flow channel 11.
In order to prevent the cooling liquid in the main flow channel 9 from directly entering the upper cavity 15, a sealing bead 19 for separating the main flow channel 9 from the outer cavity is arranged above the main flow channel 9.
Specifically, two ends of the sealing bead 19 are respectively fixed on the tops of the front end plate 2-2 and the rear end plate 2-3 through bolts.
Preferably, gaskets are provided between the sealing beads 19 and the respective battery modules 3 to ensure the sealing performance of the main flow channel 9.
In order to ensure the uniformity of heat dissipation, a splitter plate 20 is installed in the splitter channel 10, and the top of the splitter plate 20 can separate the splitter channel 10 from the outer cavity.
The flow distribution plate 20 has the function of uniform cooling liquid, and can also realize the positioning of the battery module 3, thereby facilitating the installation of the battery module 3.
Specifically, the sealing gaskets are respectively arranged between the flanges 2 to 4, the sealing bead 19 and the splitter plate 20, so that the sealing performance of the side runners 11, the main runner 9 and the splitter channels 10 can be effectively ensured, and the correct flow direction of cooling liquid in each runner can be ensured.
Preferably, the splitter plate 20 is fabricated from a metal or an insulating material.
The flow distribution plate 20 comprises a main plate 20-1 and wing plates 20-2 uniformly arranged on the side surface of the main plate 20-1, and baffles 20-3 perpendicular to the main plate 20-1 and the wing plates 20-2 are respectively arranged at the top and the bottom ends of the main plate 20-1.
The flow distribution plate 20 is of a grid fishbone structure, and a plurality of independent flow channels can be formed between the battery module 3 on the side where the flow distribution plate is located and the main plate 20-1 by the arrangement of the wing plates 20-2, so that the circulation of cooling liquid can be ensured, the cooling liquid can be promoted to be fully contacted with the battery module 3, and the cooling effect is improved.
In the present embodiment, one shunt plate 20 is installed in the shunt channel 10 between two battery modules 3 in the same row, and one shunt plate 20 is also installed in the shunt channel 10 located at the front side of the frontmost battery module 3 and the shunt channel 10 located at the rear side of the rearmost battery module 3, respectively.
The flow distribution plate is positioned between two adjacent battery modules in the same row, and the front side face and the rear side face of the main plate of the flow distribution plate are provided with wing plates, so that a plurality of independent channels can be formed on two sides of the main plate, and the two battery modules on the front side and the rear side of the flow distribution plate are cooled.
And the splitter plate positioned at the front side of the battery module at the foremost side is only provided with the wing plate at the rear side surface of the main plate, so that a plurality of independent channels are formed at the rear side surface of the main plate, and the battery module at the rear side of the splitter plate is cooled.
Similarly, the splitter plate located at the rear side of the battery module located at the rearmost side is only provided with the wing plate on the front side of the main plate, so that a plurality of independent channels are formed on the front side of the main plate, and the temperature of the battery module located at the front side of the main plate is reduced.
Preferably, a gasket is installed between the wing plate 20-2 and the opposite battery module 3, so that the cooling liquid in each channel flows from the main channel 9 to the side channel 11, thereby ensuring the cooling effect.
The baffle 20-3 can position the installation of the battery module 3, and ensure the stability of the battery module 3 after installation. Meanwhile, the wing plate 20-2 can effectively improve the structural strength of the flow distribution plate 20, thereby ensuring the stability of the installation of the battery module 3.
Specifically, the gaskets between the splitter plate 20 and the flanges 2-4 and the sealing bead 19 are respectively positioned on the top of the baffle plate 20-3.
In order to communicate the liquid inlet hole 4 with the main channel 9 through the front cavity 12, a liquid inlet member 21 for communicating the main channel 9 and the liquid inlet hole 4 is provided at the front side of the inner box 2.
Specifically, be provided with vertical feed liquor through-hole 22 in the feed liquor piece 21 to and be located the chamber 23 that converges of feed liquor through-hole 22 rear side, feed liquor hole 4 and feed liquor through-hole 22's lower extreme intercommunication, and through I24 intercommunications of through-hole between feed liquor through-hole 22 and the chamber 23 that converges, be provided with II 25 of through-hole with the sprue 9 intercommunication on the back wall of chamber 23 that converges, thereby make the coolant liquid flow in proper order into the sprue 9 from feed liquor hole 4.
Preferably, the liquid inlet member 21 is integrally provided with the front end plate 2-2. The bottom of the liquid inlet member 21 is fitted to the liquid inlet hole 4 and sealed with a sealing member such as a gasket.
Two adjacent battery modules 3 in the same row are connected in series through the short connecting pieces 26, two battery modules 3 in the two rows located at the rearmost side are also connected in series through the short connecting pieces 26, and the short connecting pieces 26 are located at the tops of the battery modules 3.
One row of the battery modules 3 located at the foremost side are connected with the positive terminal 29 arranged at the front side of the outer box body 1 sequentially through the copper bar I27 and the bus bar I28, and the other row of the battery modules 3 located at the foremost side are connected with the negative terminal 30 arranged at the front side of the outer box body 1 sequentially through the copper bar II 34 and the bus bar II 35.
Specifically, the outer side of the front wall of the outer box 1 is provided with a step i 31 protruding outwards, an insulating disc 32 is mounted on the step i 31 through a screw, and the positive terminal 29 and the negative terminal 30 penetrate through a mounting hole corresponding to the center of the step i 31 and are fixed on the insulating disc 32.
The positive terminal 29 and the negative terminal 30 can realize the wire inlet and outlet of an electric loop and the sealing of the outer box body 1, and the two terminals are designed with a special step I31, so that the electric distance is increased, and the battery box is convenient to install.
A signal line connector 33 is also attached to the front side of the outer case 1.
Specifically, the outer side of the front wall of the outer box 1 is provided with a step ii 36 protruding outwards, and the signal line connector 33 is correspondingly mounted on the step ii 36. The signal line connector 33 can output signals and ensure the sealing of the outer box 1.
Above each row of battery modules 3 is mounted a track groove assembly 37 that can be used not only for routing of signal lines, thereby facilitating connection of the signal lines to the signal line tabs 33, but also for positioning of the shorting tabs 26 for installation.
When the battery box is cooled, the cooling liquid flows into the main flow channel 9 from the liquid inlet hole 4 through the liquid inlet piece 21, is distributed to each branch flow channel 10 from the main flow channel 9, then is collected in the side flow channels 11 and flows into the rear cavity 14, finally flows back to the front cavity 12 through the upper cavity 15 and the side cavities 13, and can be discharged from the liquid outlet hole 5. The whole process realizes the all-round cooling of each battery module 3, guarantees the radiating effect and improves the radiating efficiency.
In the invention, the cooling liquid is divided from the main flow channel 9 to the branch flow channels 10 and then flows to the side flow channels 11 to converge, so that a unidirectional cooling passage with equal length is formed for each battery module 3, the synchronous cooling of a plurality of battery modules 3 is realized, the cooling uniformity is improved, the stroke of each unidirectional cooling passage is shortened, and the cooling efficiency is effectively improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An energy storage battery box is characterized by comprising
The front side of the outer box body (1) is provided with a liquid inlet hole (4) and a liquid outlet hole (5);
the inner box body (2) is arranged in the outer box body (1), the inner box body (2) is communicated with an outer cavity between the inner box body (2) and the outer box body (1), the liquid inlet hole (4) is communicated with the inner part of the inner box body (2), and the liquid outlet hole (5) is communicated with the outer cavity;
the battery modules (3) are provided with at least two rows and are arranged in the inner box body (2), and a cooling flow channel positioned in the inner box body (2) is arranged on the periphery of each battery module (3);
the cooling liquid enters the cooling flow channel through the liquid inlet hole (4), and then is discharged from the liquid outlet hole (5) after passing through the outer cavity.
2. The energy storage battery box according to claim 1, characterized in that the cooling flow channels comprise a main flow channel (9) between two adjacent rows of battery modules (3), a branch flow channel (10) at the front and rear side of each battery module (3), and a side flow channel (11) at the inner side of the side wall of the inner case (2);
the cooling liquid enters the main runner (9) through the liquid inlet hole (4), then flows to the side runner (11) through the sub-runners (10) and enters the outer cavity.
3. The energy storage battery box according to claim 1, characterized in that the outer cavities comprise a front cavity (12) located at the front side of the inner box (2), side cavities (13) located at both sides of the inner box (2), a rear cavity (14) located at the rear side of the inner box (2), and an upper cavity (15) located above the battery module (3);
the cooling liquid flows to the rear cavity (14), then flows to the front cavity (12) after passing through the side cavity (13) and the upper cavity (15) and is discharged from the liquid outlet hole (5).
4. The energy storage battery box according to claim 2, characterized in that the inner box body (2) comprises a U-shaped flow channel plate (2-1), and a front end plate (2-2) for closing the front end of the flow channel plate (2-1) and a rear end plate (2-3) for closing the rear end of the flow channel plate (2-1).
5. The energy storage battery box of claim 4, characterized in that the top of the side wall of the runner plate (2-1) is provided with a flange (2-4) which is bent inwards and is used for separating the side runner (11) from the outer cavity.
6. An energy storage battery box according to claim 4, characterized in that the rear end plate (2-3) is provided with a communication hole (18) opposite to the side flow channel (11).
7. An energy storage battery box according to claim 2, characterized in that a sealing bead (19) for separating the main flow channel (9) from the outer cavity is arranged above the main flow channel (9).
8. The energy storage battery box of claim 2, characterized in that a splitter plate (20) is mounted in the splitter channel (10), and the top of the splitter plate (20) can separate the splitter channel (10) and the outer cavity.
9. The energy storage battery box according to claim 8, characterized in that the splitter plate (20) comprises a main plate (20-1) and wing plates (20-2) uniformly arranged on two sides of the main plate (20-1), and baffles (20-3) perpendicular to the main plate (20-1) and the wing plates (20-2) are respectively arranged on the top and bottom ends of the main plate (20-1).
10. The energy storage battery box according to claim 2, characterized in that a liquid inlet piece (21) for communicating the main flow channel (9) and the liquid inlet hole (4) is arranged on the front side of the inner box body (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211186946.2A CN115295955B (en) | 2022-09-28 | 2022-09-28 | Energy storage battery box |
| PCT/CN2023/108915 WO2024066698A1 (en) | 2022-09-28 | 2023-07-24 | Energy storage battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211186946.2A CN115295955B (en) | 2022-09-28 | 2022-09-28 | Energy storage battery box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115295955A true CN115295955A (en) | 2022-11-04 |
| CN115295955B CN115295955B (en) | 2022-12-27 |
Family
ID=83833854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211186946.2A Active CN115295955B (en) | 2022-09-28 | 2022-09-28 | Energy storage battery box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115295955B (en) |
| WO (1) | WO2024066698A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115666112A (en) * | 2022-12-22 | 2023-01-31 | 苏州浪潮智能科技有限公司 | Immersion liquid cooling system, method and server |
| CN116435656A (en) * | 2023-03-17 | 2023-07-14 | 梵智达科技(深圳)有限公司 | Energy storage battery box with efficient heat insulation structure |
| WO2024066698A1 (en) * | 2022-09-28 | 2024-04-04 | 常州博瑞电力自动化设备有限公司 | Energy storage battery box |
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| CN1812182A (en) * | 2004-10-28 | 2006-08-02 | 三星Sdi株式会社 | Battery module and cooling device for battery module |
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| US20130052491A1 (en) * | 2011-08-26 | 2013-02-28 | Roger Neil Bull | Thermal management system for a multi-cell array |
| CN114597536A (en) * | 2020-12-04 | 2022-06-07 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN114335806A (en) * | 2021-12-31 | 2022-04-12 | 常州博瑞电力自动化设备有限公司 | Immersed liquid cooling energy storage battery box |
| CN216750062U (en) * | 2021-12-31 | 2022-06-14 | 常州博瑞电力自动化设备有限公司 | Immersed liquid cooling energy storage battery box |
| CN115295955B (en) * | 2022-09-28 | 2022-12-27 | 常州博瑞电力自动化设备有限公司 | Energy storage battery box |
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2022
- 2022-09-28 CN CN202211186946.2A patent/CN115295955B/en active Active
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| CN1812182A (en) * | 2004-10-28 | 2006-08-02 | 三星Sdi株式会社 | Battery module and cooling device for battery module |
| JP2006278140A (en) * | 2005-03-29 | 2006-10-12 | Sanyo Electric Co Ltd | Battery pack |
| CN102280672A (en) * | 2011-07-01 | 2011-12-14 | 中国电力科学研究院 | Vehicle-used heat pipe temperature control system of power battery box |
| DE102011086049A1 (en) * | 2011-11-10 | 2013-05-16 | Sb Limotive Company Ltd. | Battery i.e. medium power battery, for use in e.g. hybrid vehicle, has intake opening and exhaust opening arranged in inner housing spaced apart from battery housing such that airflow is produced between inner and battery housings |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066698A1 (en) * | 2022-09-28 | 2024-04-04 | 常州博瑞电力自动化设备有限公司 | Energy storage battery box |
| CN115666112A (en) * | 2022-12-22 | 2023-01-31 | 苏州浪潮智能科技有限公司 | Immersion liquid cooling system, method and server |
| CN116435656A (en) * | 2023-03-17 | 2023-07-14 | 梵智达科技(深圳)有限公司 | Energy storage battery box with efficient heat insulation structure |
| CN116435656B (en) * | 2023-03-17 | 2024-05-03 | 梵智达科技(深圳)有限公司 | Energy storage battery box with efficient heat insulation structure |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024066698A1 (en) | 2024-04-04 |
| CN115295955B (en) | 2022-12-27 |
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