CN114824628A - Liquid-cooled battery plug box for energy storage - Google Patents
Liquid-cooled battery plug box for energy storage Download PDFInfo
- Publication number
- CN114824628A CN114824628A CN202210502302.3A CN202210502302A CN114824628A CN 114824628 A CN114824628 A CN 114824628A CN 202210502302 A CN202210502302 A CN 202210502302A CN 114824628 A CN114824628 A CN 114824628A
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- Prior art keywords
- box
- battery
- liquid
- end plate
- box body
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Classifications
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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
- 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
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
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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
- H01M10/6567—Liquids
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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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
Abstract
The invention discloses a liquid cooling battery plug box for energy storage, which comprises a box body and a plurality of battery cells arranged in the box body, wherein side plates are arranged between every two adjacent battery cells and on the left side and the right side of the box body, through holes are formed in the side plates, reinforcing sleeves are arranged in the through holes, and screw rods are arranged in the reinforcing sleeves. The box includes box and the upper cover of setting on box upper portion down, and both ends all are provided with the end plate around the box, are provided with a plurality of lead screw connecting hole on the end plate, and the end plate passes through the lead screw with the curb plate to be connected, is provided with the liquid cooling runner on the downside bottom plate of box. The liquid-cooled battery plug box for energy storage, which adopts the structure, does not need multi-mode group type assembly, can assemble the battery cell into the plug box at one time, saves parts required in the assembly process, improves the production efficiency, does not need to design an air duct, improves the volume utilization rate of the box body, reduces the temperature difference between the battery cells, ensures that the stress of the battery cells is uniform, and prolongs the service life of the battery cells.
Description
Technical Field
The invention relates to the technical field of battery plug boxes, in particular to a liquid-cooled battery plug box for energy storage.
Background
At present, the battery energy storage technology is widely applied to various links such as power generation, power transmission, power distribution, power utilization and the like, and is applied to various fields such as frequency modulation, peak shaving, micro-grid and user side energy storage. At present, the air cooling modes used in the energy storage battery system are more, an air duct needs to be designed for the air cooling system, the volume utilization rate is lower, the temperature difference between the electric cores is larger, and the service life of the electric cores is influenced. The existing liquid-cooled battery plug box is assembled in a multi-mode formula mode, module-level assembly and module-level welding are needed, and more parts are arranged in the assembly process, so that the production efficiency is influenced.
Disclosure of Invention
The invention aims to provide a liquid-cooled battery plug box for energy storage, which does not need multi-mode group type assembly, can assemble a battery cell into the plug box at one time, saves parts required in the assembly process, improves the production efficiency, does not need to design an air duct, improves the volume utilization rate of a box body, reduces the temperature difference between the battery cells, ensures that the battery cells are uniformly stressed, and prolongs the service life of the battery cells.
In order to achieve the purpose, the invention provides a liquid-cooled battery plug box for energy storage, which comprises a box body and a plurality of battery cores arranged in the box body uniformly, wherein each row of adjacent battery cores are connected through heat-conducting glue, side plates are arranged between each row of adjacent battery cores and on the left side and the right side of the box body, through holes are formed in the side plates, reinforcing sleeves are arranged in the through holes, and screw rods are arranged in the reinforcing sleeves;
the box includes box down and sets up lower box upper cover on upper portion, both ends all are provided with the end plate around the box, the end plate inboard is provided with the insulating piece, the end plate with link to each other through the heat conduction glue between the insulating piece, be provided with a plurality of lead screw connecting hole on the end plate, the end plate with the curb plate passes through the lead screw is connected, be provided with the liquid cooling runner on the downside bottom plate of box.
Preferably, a maintenance cover plate is arranged at the middle position of the front side of the box cover, positive and negative output stages and CAN communication ports are arranged on the left side and the right side of the box cover, and the positive and negative output stages are fixedly connected with the CAN communication ports and the upper cover through bolts.
Preferably, the inner side of the maintenance cover plate is provided with a slave control bracket and a slave control assembly body, and the colors of the positive and negative steps on the two sides are different.
Preferably, the positive electrode and the negative electrode of each row of two adjacent electric cores are electrically connected through the metal bars connected in series.
Preferably, the upper parts of the front side and the rear side of the box body are respectively provided with a series connection metal bar, each line of the battery cell units formed by the battery cells is electrically connected through the series connection metal bars, and the two ends of the series connection metal bars on the front side are respectively connected with the CAN communication port on one side of the CAN communication port in the box body and the CAN communication port of the slave controller.
Preferably, the battery cell is set to be a square-shell battery cell or a soft-package battery cell with positive and negative output levels at the top.
Preferably, the end plate is provided with a plurality of hole sites which are vertically fixed with the box body.
Preferably, the side plate is a plastic piece or an aluminum extrusion piece wrapped with an insulating material.
Therefore, the liquid-cooled battery plug box for energy storage, which adopts the structure, does not need multi-mode group type assembly, can assemble the battery cell into the plug box at one time, saves parts required in the assembly process, improves the production efficiency, does not need to design an air duct, improves the volume utilization rate of the box body, reduces the temperature difference between the battery cells, ensures that the stress of the battery cells is uniform, and prolongs the service life of the battery cells.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is an exploded view of an embodiment of a liquid-cooled battery box for storing energy in accordance with the present invention;
fig. 2 is a schematic diagram of an external structure of an embodiment of a liquid-cooled battery box for storing energy according to the present invention.
FIG. 3 is a detail view of a portion of a liquid cooled battery receptacle for storing energy in accordance with an embodiment of the present invention;
FIG. 4 is a schematic side panel view of an embodiment of a liquid-cooled battery box for storing energy in accordance with the present invention;
FIG. 5 is a schematic view of an end plate of an embodiment of a liquid-cooled battery receptacle for storing energy in accordance with the present invention;
wherein, 1, an upper cover; 2. an end plate; 3. a slave control bracket and a slave control assembly body; 4. positive and negative grading; 5. maintaining the cover plate; 6. a box body; 7. a side plate; 8. an electric core; 9. metal bars are connected in series; 10. connecting the metal rows in series; 11. an insulating sheet; 12. a reinforcing sleeve; 13: a screw rod; 14. a CAN communication port; 15. a through hole; 16. and connecting the screw rod with the hole.
Detailed Description
The technical solution of the present invention is further illustrated by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
As shown in fig. 1-5, a liquid-cooled battery plug box for energy storage comprises a box body 6 and a plurality of battery cells 8 arranged in the box body 6 in an even arrangement manner, wherein each row of adjacent battery cells 8 are connected through a heat-conducting adhesive, side plates 7 are arranged between each row of adjacent battery cells 8 and on the left side and the right side of the box body 6, and the side plates 7 are plastic pieces or aluminum extruded pieces wrapped with insulating materials. The side plate 7 is internally provided with a through hole 15, the through hole 15 is internally provided with a reinforcing sleeve 12, and the reinforcing sleeve 12 is internally provided with a screw 13. The box 6 includes box 6 down and sets up upper cover 1 on box 6 upper portion down, the material of upper cover 1 can be ordinary carbon steel, aluminium, SMC, PMC etc, both ends all are provided with end plate 2 around the box 6, end plate 2 generally is the die casting, also can be the piece of other forms, end plate 2 inboard is provided with insulating piece 11, link to each other through the heat-conducting glue between end plate 2 and the insulating piece 11, be provided with a plurality of lead screw connecting hole 16 on the end plate 2, end plate 2 passes through lead screw 13 with curb plate 7 and is connected, curb plate 7 is the working of plastics or has wrapped up insulating material's aluminium extrusion spare, be provided with a plurality of and box 6 vertical fixation's hole site on the end plate 2. A liquid cooling flow channel is arranged on the bottom plate at the lower side of the box body 6. The box 6 has no front panel, which facilitates the pressing of the end plate 2. Curb plate 7 has fixed electric core 8 with the setting of end plate 2 in box 6, the mode of connecting through lead screw 13 couples together end plate 2 and curb plate 7 of both sides in with the subrack, in order to make reaching unanimous of the initial pretightning force of electric core 8 in the subrack, curb plate 7 has been increased between every two electric cores 8, and punch through-hole 15 in curb plate 7 and install the steel bushing additional, and fasten with lead screw 13, the power that distributes electric core 8 behind the 2 extrusion electric cores of end plate like this is more even. The reinforcing sleeve 12 is arranged inside the side plate 7, so that the deformation of the side plate 7 is reduced, and the service life of the battery cell is prolonged. Through all scribble some heat-conducting glue on end plate 2 and the electric core 8, be convenient for transmit the heat of electric core 8 to box 6, the radiating process accelerates. An air duct does not need to be reserved in the box body 6, and the utilization rate of the volume of the box body 6 is improved. There is not the space between the electric core 8, links to each other through heat-conducting glue, has reduced the difference in temperature between the electric core 8.
A maintenance cover plate 5 is arranged in the middle of the front side of the box cover, a positive output stage 4 and a negative output stage 4 and a CAN communication port 14 are arranged on the left side and the right side of the box cover, and the positive output stage 4 and the negative output stage 4 and the CAN communication port 14 are fixedly connected with the upper cover 1 through bolts. The inside of the maintenance cover plate 5 is provided with a slave control bracket and a slave control assembly body 3, and the colors of the positive and negative output levels 4 at the two sides are different. When the plug-in box is installed on the battery rack, the maintenance cover plate 5 enables maintenance of the plug-in box to be more convenient for operation of slave control.
The positive and negative electrodes of two adjacent electric cores 8 in each row are electrically connected through the metal bars 9 connected in series. The upper parts of the front side and the rear side of the box body 6 are respectively provided with a series connection metal bar 10, the battery cell 8 units formed by each row of battery cells 8 are electrically connected through the series connection metal bars 10, and two ends of the front side series connection metal bars 10 are respectively connected with the CAN communication port 14 on one side in the box body and the CAN communication port of the slave controller. The battery cell 8 is set to be a square-shell battery cell 8 or a soft-package battery cell 8 with positive and negative outlet levels 4 at the top. The positive and negative level 4 all conveniently concatenates metal bar 9 and concatenates metal bar 10 and get up electric core 8 electric connection at the square shell electricity core 8 at the top, makes electricity core 8 need not carry out module level equipment, module level welding, has saved the required spare part of assembling process, has improved production efficiency. The connectors of the positive and negative electrodes are distinguished by adopting two different colors, so that the quick identification is convenient during installation.
Firstly, heat-conducting glue is coated in the space of the box body 6 for assembling the battery cell 8, so that the heat of the battery cell 8 can be conveniently transmitted to the box body 6, then an end plate 2 with the inner side coated with heat conducting glue is fixed on a box body 6, an insulating sheet 11 is pasted on the inner side of the end plate 2, a side plate 7 is fixed on the left side or the right side of the end plate 2, the battery cores 8 with the large surfaces coated with the heat conducting glue are sequentially placed into a lower box body 6, the side plate 7 on the right side or the left side is fixed, the battery cores 8 are sequentially placed into the lower box body 6, after the battery cores 8 are all placed into the lower box body, the last side plate 7 is fixed, next, the end plate 2 with the insulating sheet 11 on the inner side is close to the battery cell 8, the two end plates 2 are extruded by the tool to extrude the last end plate 2 to a specific position, and fix end plate 2 to link together end plate 2, curb plate 7 at both ends through lead screw 13, give electric core 8 pretightning force. Then install electric core 8 in proper order and concatenate metal bar 9, carry out whole welding to whole subrack, carry out the connection in series with electric core 8, install in the front side of box 6 from accuse support and from accuse assembly body 3, adopt pencil or FPC's mode to gather the voltage and the temperature of subrack, assemble upper cover 1 afterwards to installation maintenance apron 5.
Therefore, the liquid-cooled battery plug box for energy storage, which adopts the structure, does not need multi-mode group type assembly, can assemble the battery cell into the plug box at one time, saves parts required in the assembly process, improves the production efficiency, does not need to design an air duct, improves the volume utilization rate of the box body, reduces the temperature difference between the battery cells, ensures that the stress of the battery cells is uniform, and prolongs the service life of the battery cells.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a liquid cooling battery subrack for energy storage which characterized in that:
the battery box comprises a box body and a plurality of battery cells which are uniformly arranged in the box body, wherein each row of adjacent battery cells are connected through heat-conducting glue, side plates are arranged between each row of adjacent battery cells and on the left side and the right side of the box body, through holes are formed in the side plates, reinforcing sleeves are arranged in the through holes, and screw rods are arranged in the reinforcing sleeves;
the box includes box down and sets up lower box upper cover on upper portion, both ends all are provided with the end plate around the box, the end plate inboard is provided with the insulating piece, the end plate with link to each other through the heat conduction glue between the insulating piece, be provided with a plurality of lead screw connecting hole on the end plate, the end plate with the curb plate passes through the lead screw is connected, be provided with the liquid cooling runner on the downside bottom plate of box.
2. The liquid-cooled battery box of claim 1, wherein: the middle position of the front side of the box cover is provided with a maintenance cover plate, the left side and the right side of the box cover are provided with a positive output stage and a negative output stage and a CAN communication port, and the positive output stage and the negative output stage and the CAN communication port are fixedly connected with the upper cover through bolts.
3. The liquid-cooled battery box of claim 2, wherein: the maintenance apron inboard is provided with from accuse support and from the accuse assembly body, both sides positive negative grade's colour is different.
4. The liquid-cooled battery box of claim 1, wherein: the positive and negative electrodes of each row of two adjacent electric cores are electrically connected through the metal bars connected in series.
5. The liquid-cooled battery box of claim 1, wherein: the upper portions of the front side and the rear side of the box body are respectively provided with a series-connection metal bar, each row of battery cell units formed by the battery cells are electrically connected through the series-connection metal bars, and the two ends of the series-connection metal bars are respectively connected with the CAN communication port on one side in the box body and the CAN communication port of the slave controller.
6. The liquid-cooled battery box of claim 1, wherein: the battery cell is set into a square-shell battery cell or a soft-package battery cell with positive and negative output levels at the top.
7. The liquid-cooled battery box of claim 1, wherein: the end plate is provided with a plurality of hole sites which are vertically fixed with the box body.
8. The liquid-cooled battery box of claim 1, wherein: the side plates are plastic pieces or aluminum extruded pieces wrapped with insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502302.3A CN114824628A (en) | 2022-05-09 | 2022-05-09 | Liquid-cooled battery plug box for energy storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210502302.3A CN114824628A (en) | 2022-05-09 | 2022-05-09 | Liquid-cooled battery plug box for energy storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114824628A true CN114824628A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210502302.3A Pending CN114824628A (en) | 2022-05-09 | 2022-05-09 | Liquid-cooled battery plug box for energy storage |
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| CN (1) | CN114824628A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548563A (en) * | 2022-10-25 | 2022-12-30 | 楚能新能源股份有限公司 | Modular battery plug-in box structure, battery and module assembling method |
-
2022
- 2022-05-09 CN CN202210502302.3A patent/CN114824628A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115548563A (en) * | 2022-10-25 | 2022-12-30 | 楚能新能源股份有限公司 | Modular battery plug-in box structure, battery and module assembling method |
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