CN116706408B - Energy storage lithium battery convenient to overhaul and maintain - Google Patents
Energy storage lithium battery convenient to overhaul and maintain Download PDFInfo
- Publication number
- CN116706408B CN116706408B CN202310984058.3A CN202310984058A CN116706408B CN 116706408 B CN116706408 B CN 116706408B CN 202310984058 A CN202310984058 A CN 202310984058A CN 116706408 B CN116706408 B CN 116706408B
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 42
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 85
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The application discloses an energy storage lithium battery convenient to overhaul and maintain, which belongs to the technical field of energy storage lithium batteries and comprises a box body, a functional cover part fixedly connected with the box body and a sealing cover part fixedly connected with the functional cover part, wherein two electrode plates are arranged at the box body, a charge and discharge protection circuit board and a plurality of battery cell units distributed in a row are arranged in the box body, a plurality of battery cell placement positions are arranged in the box body, each battery cell placement position is provided with two vertical bar-shaped projections, each bar-shaped projection is provided with a vertical bar-shaped slot, each battery cell unit comprises a battery cell shell, two fixed conductive columns positioned at the battery cell shell and a plurality of lithium battery cells positioned in the battery cell shell, and two vertical bar-shaped plug-in blocks matched with the bar-shaped slots are fixedly arranged in the battery cell shell; the functional cover part comprises a cover plate and a rectangular frame-shaped surrounding frame which surrounds the cover plate and is fixedly connected with the cover plate. The lithium battery provided by the application is convenient for detecting, maintaining and replacing the battery cell unit.
Description
Technical Field
The application relates to the technical field of energy storage lithium batteries, in particular to an energy storage lithium battery convenient to overhaul and maintain.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries have been widely used because of their light weight and their greatly improved stability due to technological advances in recent years. The lithium battery is generally composed of a plurality of battery core units connected in series or in parallel, and each battery core unit is internally provided with a plurality of battery cells, so that a complete lithium battery is formed, and power supply and charging are realized. However, over time, if it is desired to maintain the battery in a good operating condition, it is necessary to maintain the lithium battery at regular intervals, and even when a certain cell fails, it is necessary to detect and even replace the cell individually. However, the existing lithium battery is sometimes inconvenient for the detection and replacement of the internal battery cell. For example, patent CN216750183U discloses a lithium battery pack which is convenient to maintain, but which is difficult to realize quick and convenient power-off detection of the internal battery cell unit, and also less convenient for replacement of the battery cell unit. And thus do not facilitate the periodic detection and maintenance required for long-term use of lithium batteries.
Disclosure of Invention
The application aims to: the application aims to overcome the defects of the prior art and provides an energy storage lithium battery which is convenient to overhaul and maintain.
The technical scheme is as follows: the utility model provides an energy storage lithium battery, includes the box body, with box body fixed connection's function lid and with function lid fixed connection's closing cap portion, box body department has two electrode slices, install charge and discharge protection circuit board and a plurality of battery cell units that are one row and distribute in the box body, have a plurality of battery cell in the box body and place the position, every battery cell place the position have two vertical bar lugs, bar lug department has vertical bar slot, the battery cell unit includes battery cell casing, two fixed conducting columns that are located battery cell casing department and a plurality of lithium cell monomer that are located battery cell casing, the battery cell casing be fixed with two with the vertical bar inserts of bar slot cooperation; the functional cover part comprises a cover plate and a rectangular frame-shaped surrounding frame which surrounds the cover plate and is fixedly connected with the cover plate.
Further, the surrounding frame is fixedly connected with the box body through bolts; the sealing cover part is L-shaped and comprises a horizontal plugboard and a vertical flanging vertical to the horizontal plugboard, a horizontal slot matched with the horizontal plugboard and a flanging containing groove for containing the vertical flanging are arranged at the surrounding frame, a threaded hole is formed in the flanging containing groove, and a locking bolt knob matched with the threaded hole is arranged at the vertical flanging.
Therefore, the closing cover part is very convenient to disassemble and assemble, so that the closing cover part is very convenient to disassemble, and relevant detection is carried out at the functional cover part.
Further, the top end of the battery cell unit is provided with a rectangular frame-shaped positioning frame, and a positioning insertion block which is matched with the positioning frame and can be inserted into the positioning frame is fixed at the bottom of the cover plate; the lower part of the cover plate is connected with a rectangular frame-shaped mounting frame through a plurality of connecting blocks, the mounting frame is provided with a plurality of mounting positions, each mounting position is provided with two conductive plates which are fixedly connected with the mounting frame and can be abutted to the fixed conductive columns, the conductive plates are fixedly connected with movable conductive columns, and the movable conductive columns are fixedly connected with conductive plates; the cover plate is also provided with a plurality of first perforations and a plurality of second perforations, each first perforation is provided with a power-off unit in a penetrating way, each power-off unit comprises a movable column penetrating through the first perforation, a conductive block fixed at the bottom end of the movable column and a tension spring connecting the conductive block and the cover plate, one conductive plate is arranged between two adjacent conductive blocks, each second perforation passes through a detection conductive column capable of being abutted against the movable conductive column, a limit baffle ring positioned above the cover plate is fixed at each detection conductive column, compression springs are connected between the cover plate and the limit baffle ring, the quantity of the fixed conductive columns and the quantity of the movable conductive columns are equal and are in one-to-one correspondence, and the quantity of the detection conductive columns and the quantity of the movable conductive columns are equal and are in one-to-one correspondence; the power-off units are divided into two rows, the number of the power-off units in the two rows is equal and corresponds to one another, and a connecting transverse plate positioned above the cover plate is connected between the movable columns of the corresponding power-off units; the functional cover part further comprises a detection unit, the detection unit comprises two sliding blocks and a sliding frame located between the two sliding blocks, the sliding blocks and the sliding frame are connected through connecting springs, the surrounding frame is provided with sliding grooves matched with the sliding blocks, the sliding frame comprises two pressing plates, two first connecting plates connected with the two pressing plates and a second connecting plate connected with the two pressing plates, one conductive pressing post capable of being abutted to the detection conductive posts is installed at each first connecting plate, a downward bolt knob is installed at each second connecting plate, a plurality of detection positions are arranged at the cover plate, the number of the detection positions is equal to that of the battery core units and in one-to-one correspondence with the detection positions, each detection position is provided with a downward threaded hole matched with the downward bolt knob, when the detection unit is located at a certain detection position, the two conductive pressing posts of the detection unit are aligned with the two detection conductive posts corresponding to the detection positions, and the transverse plates on two sides of the two detection conductive posts are aligned with the two pressing plates of the detection unit respectively.
Therefore, the plurality of conductive plates and the plurality of conductive blocks are connected in parallel to the plurality of battery cells, and the two conductive plates, the charge and discharge protection circuit and the two electrode plates of one battery cell unit at the extreme end are connected in a conductive manner, so that the charging and the power supply of the lithium battery are finally realized through the two electrode plates.
Further, two sides of the conductive block are in a step shape; all the conductive blocks are divided into two rows, and all the conductive plates are divided into two rows; for each row of conducting plates, only one end of the two conducting plates at the most end is in a step shape, and the two ends of the other conducting plates are in a step shape; the installation frame department is fixed with 4 fixed blocks, and every fixed block department all is fixed with the limiting plate, and 4 limiting plates and 4 are located the conducting block one-to-one of tip, the step position of conducting block that the limiting plate can the butt be located the tip.
Therefore, the limiting plate can be abutted against the conductive block, when two cell units at the most end part are detected, the feedback force of the downward pressing of the detection unit is similar to the feedback force of the downward pressing of the detection unit when the middle cell unit is detected, and therefore the operation is more convenient.
Further, two rows of compression springs are arranged at the mounting frame, and the compression springs are connected between the cover plate and the mounting frame; the top end of the movable conductive column is provided with a jack, and the detection conductive column can be inserted into the jack.
Thus, the compression springs of the two rows can force a tight abutment between the fixed and movable conductive posts.
Further, the number of the battery cell units is 5; the number of the fixed conductive columns, the movable conductive columns and the detection conductive columns is 10; the number of the power-off units is 12; the number of the connecting transverse plates is 6; all lithium battery cells in each cell are connected in series; all the battery cells are connected in parallel.
Further, the mounting frame is made of plastic materials; the horizontal section of the movable column is hexagonal, and the movable column is made of plastic materials.
Further, the mounting frame is provided with a plurality of rectangular through holes which can be penetrated by the conductive blocks, and the number of the rectangular through holes is equal to that of the conductive blocks and corresponds to that of the conductive blocks one by one; when the downward moving bolt knob of the detection unit is separated from all the downward moving threaded holes, the corresponding movable conductive column and the detection conductive column are not contacted, and the two adjacent conductive plates are connected by the conductive block; when the downward moving bolt knob of the detection unit is locked with one of the downward moving threaded holes, the two detection conductive columns corresponding to the downward moving threaded holes are abutted with the corresponding movable conductive columns, the two detection conductive columns are respectively abutted by the two conductive downward pressing columns, and the two conductive plates corresponding to the downward moving threaded holes are not contacted with all the conductive blocks.
Further, a sealing coating is arranged in the horizontal slot.
Thereby increasing the tightness between the horizontal insert plate and the horizontal insert groove.
Further, a rectangular frame-shaped sealing gasket is arranged between the functional cover part and the box body.
Further, waterproof sealant is arranged between the functional cover part and the box body.
Thereby increasing the sealability between the functional cover and the case.
Further, the box body is provided with a threaded hole, and the surrounding frame is provided with a counter bore.
Thereby ensuring the flatness of the top of the rectangular frame.
The beneficial effects are that: the lithium battery is more convenient to maintain, detect and replace the battery core. In order to facilitate detection, the two cover parts are designed, the closed cover part is easy to detach, so that after the closed cover part is detached, the detection units of the functional cover parts can be matched with detection instruments of operators to realize the open-circuit detection of each battery cell unit, and the detection and maintenance of the battery cell units are simpler. And after detecting the fault, the battery core is very convenient to replace, so that the detection and maintenance of the lithium battery are more convenient.
Drawings
FIG. 1 is a schematic diagram of a lithium battery;
fig. 2 is a schematic view of a lithium battery with components separated from a first view angle;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is an enlarged view of area B of FIG. 2;
FIG. 5 is an enlarged view of region C of FIG. 2;
fig. 6 is a schematic view of a lithium battery component with a second view angle broken away;
fig. 7 is a schematic view of a lithium battery with components separated from a third view angle;
FIG. 8 is an enlarged view of area D of FIG. 7;
FIG. 9 is an enlarged view of area E of FIG. 7;
fig. 10 is an enlarged view of region F in fig. 7.
Detailed Description
Reference numerals: 1, a box body; 11 electrode plates; 13 bar-shaped bumps; a 14-bar slot; a threaded hole at the 15 box body;
2, an electric core unit; 21 fixing the conductive column; 22 strip-shaped inserts; 23, positioning a frame;
3 closing the cover part; 31 horizontal plugboards; 32 vertical flanging; 33 locking the bolt knob;
4, surrounding a frame; 41 horizontal slots; 42 flanging containing groove; 43 sliding grooves;
5 cover plate; 51 positioning the plug block; 52 moving the threaded hole downward; 531 detecting the conductive posts; 532 limit stop ring; 533 compressing the spring; 541 connecting a transverse plate; 542 a movable column; a 543 tension spring; 544 conductive blocks; 545 steps of the conductive block;
6, installing a frame; 61 connecting blocks; 62 rectangular through holes; 64 fixed blocks; 65 limiting plates; 66 movable conductive posts; 67 conductive sheets; 68 conductive plates; 69 step portions of the conductive plate; 610 hold-down spring;
71 a first connection plate; a second connection plate 72; 73 pressing plates; 74 connecting springs; 75 conductive down-pressing columns; 76 sliding blocks.
As shown in the figure, the energy storage lithium battery convenient to overhaul and maintain comprises a box body 1, a functional cover part fixedly connected with the box body 1 and a closed cover part 3 fixedly connected with the functional cover part, wherein two electrode plates 11 are arranged at the box body 1, a charge and discharge protection circuit board and a plurality of battery cell units 2 distributed in a row are arranged in the box body 1, a plurality of battery cell placement positions are arranged in the box body 1, each battery cell placement position is provided with two vertical bar-shaped convex blocks 13, each bar-shaped convex block 13 is provided with a vertical bar-shaped slot 14, each battery cell unit 2 comprises a battery cell shell, two fixed conductive columns 21 positioned at the battery cell shell and a plurality of lithium battery cells positioned in the battery cell shell, and two vertical bar-shaped plug blocks 22 matched with the bar-shaped slot 14 are fixed in the battery cell shell; the functional cover part comprises a cover plate 5 and a rectangular frame-shaped surrounding frame 4 which surrounds the cover plate 5 and is fixedly connected with the cover plate 5. The surrounding frame 4 and the box body 1 are fixedly connected through bolts; the closing cover part 3 is L-shaped and comprises a horizontal plugboard 31 and a vertical flanging 32 perpendicular to the horizontal plugboard 31, a horizontal slot 41 matched with the horizontal plugboard 31 and a flanging containing groove 42 for containing the vertical flanging 32 are arranged at the surrounding frame 4, a threaded hole is formed at the flanging containing groove 42, and a locking bolt knob 33 matched with the threaded hole is arranged at the vertical flanging 32.
The top end of the battery cell unit 2 is provided with a rectangular frame-shaped positioning frame 23, and the bottom of the cover plate 5 is fixed with a positioning insertion block 51 which is matched with the positioning frame 23 and can be inserted into the positioning frame 23; a rectangular frame-shaped mounting frame 6 is connected below the cover plate 5 through a plurality of connecting blocks 61, a plurality of mounting positions are arranged at the mounting frame 6, two conductive plates 67 which are fixedly connected with the mounting frame 6 and can be abutted against the fixed conductive columns 21 are mounted at each mounting position, movable conductive columns 66 are fixedly connected with the conductive plates 67, and conductive plates 68 are fixedly connected with the movable conductive columns 66; the cover plate 5 is further provided with a plurality of first through holes and a plurality of second through holes, each first through hole is provided with a power-off unit in a penetrating way, each power-off unit comprises a movable column 542 penetrating through the first through hole, a conductive block 544 fixed at the bottom end of the movable column 542 and a tension spring 543 connecting the conductive block 544 with the cover plate 5, one conductive plate 68 is arranged between two adjacent conductive blocks 544, each second through hole is provided with a detection conductive column 531 capable of abutting against the movable conductive column 66, the detection conductive column 531 is fixed with a limit baffle ring 532 above the cover plate 5, compression springs 533 are connected between the cover plate 5 and the limit baffle ring 532, the quantity of the fixed conductive columns 21 and the quantity of the movable conductive columns 66 are equal and are in one-to-one correspondence, and the quantity of the detection conductive columns 531 and the quantity of the movable conductive columns 66 are equal and are in one-to-one correspondence; the power-off units are divided into two rows, the number of the power-off units in the two rows is equal and corresponds to one another, and a connecting transverse plate 541 positioned above the cover plate 5 is connected between the movable columns 542 of the corresponding power-off units; the functional cover part further comprises a detection unit, the detection unit comprises two sliding blocks 76 and a sliding frame positioned between the two sliding blocks 76, the sliding blocks and the sliding frame are connected through connecting springs 74, the position of the surrounding frame 4 is provided with sliding grooves matched with the sliding blocks 76, the sliding frame comprises two pressing plates 73, two first connecting plates 71 connected with the two pressing plates 73 and a second connecting plate 72 connected with the two pressing plates 73, one conductive lower pressing post 75 capable of being abutted to the detection conductive posts 531 is installed at each first connecting plate 71, a lower moving bolt knob (not shown in the figure) is installed at each second connecting plate 72, the cover plate 5 is provided with a plurality of detection positions, the number of the detection positions is equal to that of the electric core units 2 and corresponds to that of the lower pressing posts 52, when the detection unit is positioned at a certain detection position, the two conductive lower pressing posts 75 of the detection unit are aligned with the two corresponding detection positions respectively, the two conductive posts 531 of the detection unit are aligned with the two lateral plates 541 of the detection position, and the two conductive posts 531 of the detection unit are aligned with each other lateral plates 541.
Both sides of the conductive block 544 are stepped; all conductive blocks 544 are divided into two rows and all conductive plates 68 are divided into two rows; for each row of conductive plates 68, only one end of the two conductive plates 68 at the end is in a step shape, and both ends of the other conductive plates 68 are in a step shape; the mounting frame is fixed with 4 fixed blocks 64, and every fixed block 64 department is fixed with the locating plate 65,4 locating plate 65 and 4 conductive blocks 544 that are located the tip one-to-one, the step position of conductive block 544 that the locating plate 65 can the butt be located the tip. Two rows of compression springs 610 are arranged at the mounting frame 6, and the compression springs 610 are connected between the cover plate 5 and the mounting frame 6; the top end of the movable conductive post 66 is provided with a jack, and the detection conductive post 531 can be inserted into the jack. The number of the battery cell units 2 is 5; the number of the fixed conductive posts 21, the movable conductive posts 66 and the detection conductive posts 531 is 10; the number of the power-off units is 12; the number of the connecting transverse plates 541 is 6; all lithium battery cells in each cell unit 2 are connected in series; all the battery cells 2 are connected in parallel. The mounting frame 6 is made of plastic materials; the horizontal section of the movable column 542 is hexagonal, and the movable column 542 is made of plastic material. The mounting frame 6 is provided with a plurality of rectangular through holes 62 which can be penetrated by the conductive blocks 544, the number of the rectangular through holes 62 is equal to that of the conductive blocks 544, and the rectangular through holes and the conductive blocks 544 are in one-to-one correspondence; when the downward moving bolt knob of the detecting unit is separated from all the downward moving threaded holes 52, the corresponding movable conductive column 66 and the detecting conductive column 531 are not contacted, and the adjacent two conductive plates 68 are connected by the conductive block 544; when the down-moving bolt knob of the detecting unit is locked with one of the down-moving threaded holes, the two detecting conductive posts 531 corresponding to the down-moving threaded hole 52 are both abutted with the corresponding movable conductive posts 66, the two detecting conductive posts 531 are respectively abutted with the two conductive down-pressing posts 75, and the two conductive plates 68 corresponding to the down-moving threaded hole 52 are not contacted with all the conductive blocks 544.
As shown in the figure, the energy storage lithium battery is very convenient to maintain, when the energy storage lithium battery is used as a whole, if one of the battery cores needs to be replaced, the replacement of the battery core of the lithium battery is very convenient, and the replacement of a new battery core can be completed only by removing the functional cover part and covering the functional cover part. The detection of the battery cells is very convenient, and as shown in the figure, when the battery cells are used normally, the battery cells are connected in parallel through the conducting plates and the conducting blocks, so that the battery cells are conductive, and the battery cells are used normally. Normally, due to the action of the connecting springs at the two ends of the sliding frame, the sliding frame is positioned at a relatively high position, and the use of the battery cannot be influenced.
When needs detect the electric core, can open the closing cap portion, through adjusting the detection unit to suitable detection position, then utilize to move down bolt knob and move down the screw hole cooperation, thereby move down along with the carriage, the clamp plate or push down and connect the diaphragm, thereby make the conducting block move down, thereby make the electric core unit that is detected realize breaking circuit with other electric cores, and the electric conduction pushes down the post push down the butt and detects the electric conduction post, make the electric conduction post of detection and movable electric conduction post push down the post butt electrically conduct, thereby can realize the detection to the electric core through the electric conduction post that pushes down, thereby can very conveniently realize the detection after breaking circuit to each electric core unit through the detection unit, detection convenient operation, and the testing result is more accurate, and the testing process need not to open the function lid, consequently, can guarantee the leakproofness between function lid and the box body.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.
Claims (6)
1. The utility model provides an energy storage lithium cell convenient to overhaul and maintain, its characterized in that includes box body, with box body fixed connection's function lid and with function lid fixed connection's closure lid, box body department has two electrode slices, install charge and discharge protection circuit board and a plurality of battery cell units that are one row and distribute in the box body, have a plurality of battery cell in the box body and place the position, every battery cell place the position have two vertical bar-shaped protruding blocks, bar-shaped protruding block department has vertical bar-shaped slot, the battery cell unit includes battery cell casing, is located two fixed conductive post of battery cell casing department and is located a plurality of lithium cell monomers of battery cell casing, the battery cell casing be fixed with two with bar-shaped slot complex vertical bar-shaped inserted block; the functional cover part comprises a cover plate and a rectangular frame-shaped surrounding frame which surrounds the cover plate and is fixedly connected with the cover plate; the surrounding frame is fixedly connected with the box body through bolts; the sealing cover part is L-shaped and comprises a horizontal plugboard and a vertical flanging vertical to the horizontal plugboard, a horizontal slot matched with the horizontal plugboard and a flanging containing groove for containing the vertical flanging are formed in the surrounding frame, a threaded hole is formed in the flanging containing groove, and a locking bolt knob matched with the threaded hole is arranged at the vertical flanging; the top end of the battery cell unit is provided with a rectangular frame-shaped positioning frame, and a positioning inserting block which is matched with the positioning frame and can be inserted into the positioning frame is fixed at the bottom of the cover plate; the lower part of the cover plate is connected with a rectangular frame-shaped mounting frame through a plurality of connecting blocks, the mounting frame is provided with a plurality of mounting positions, each mounting position is provided with two conductive plates which are fixedly connected with the mounting frame and can be abutted to the fixed conductive columns, the conductive plates are fixedly connected with movable conductive columns, and the movable conductive columns are fixedly connected with conductive plates; the cover plate is also provided with a plurality of first perforations and a plurality of second perforations, each first perforation is provided with a power-off unit in a penetrating way, each power-off unit comprises a movable column penetrating through the first perforation, a conductive block fixed at the bottom end of the movable column and a tension spring connecting the conductive block and the cover plate, one conductive plate is arranged between two adjacent conductive blocks, each second perforation passes through a detection conductive column capable of being abutted against the movable conductive column, a limit baffle ring positioned above the cover plate is fixed at each detection conductive column, compression springs are connected between the cover plate and the limit baffle ring, the quantity of the fixed conductive columns and the quantity of the movable conductive columns are equal and are in one-to-one correspondence, and the quantity of the detection conductive columns and the quantity of the movable conductive columns are equal and are in one-to-one correspondence; the power-off units are divided into two rows, the number of the power-off units in the two rows is equal and corresponds to one another, and a connecting transverse plate positioned above the cover plate is connected between the movable columns of the corresponding power-off units; the functional cover part further comprises a detection unit, the detection unit comprises two sliding blocks and a sliding frame located between the two sliding blocks, the sliding blocks and the sliding frame are connected through connecting springs, the surrounding frame is provided with sliding grooves matched with the sliding blocks, the sliding frame comprises two pressing plates, two first connecting plates connected with the two pressing plates and a second connecting plate connected with the two pressing plates, one conductive pressing post capable of being abutted to the detection conductive posts is installed at each first connecting plate, a downward bolt knob is installed at each second connecting plate, a plurality of detection positions are arranged at the cover plate, the number of the detection positions is equal to that of the battery core units and in one-to-one correspondence with the detection positions, each detection position is provided with a downward threaded hole matched with the downward bolt knob, when the detection unit is located at a certain detection position, the two conductive pressing posts of the detection unit are aligned with the two detection conductive posts corresponding to the detection positions, and the transverse plates on two sides of the two detection conductive posts are aligned with the two pressing plates of the detection unit respectively.
2. The easy-to-overhaul and-maintain energy storage lithium battery according to claim 1, wherein both sides of the conductive block are stepped; all the conductive blocks are divided into two rows, and all the conductive plates are divided into two rows; for each row of conducting plates, only one end of the two conducting plates at the most end is in a step shape, and the two ends of the other conducting plates are in a step shape; the installation frame department is fixed with 4 fixed blocks, and every fixed block department all is fixed with the limiting plate, and 4 limiting plates and 4 are located the conducting block one-to-one of tip, the step position of conducting block that the limiting plate can the butt be located the tip.
3. The easy-to-repair and maintenance energy storage lithium battery according to claim 1, wherein two rows of compression springs are installed at the installation frame, and the compression springs are connected between the cover plate and the installation frame; the top end of the movable conductive column is provided with a jack, and the detection conductive column can be inserted into the jack.
4. The easy-to-overhaul and maintenance energy storage lithium battery according to claim 1, wherein the number of the battery cells is 5; the number of the fixed conductive columns, the movable conductive columns and the detection conductive columns is 10; the number of the power-off units is 12; the number of the connecting transverse plates is 6; all lithium battery cells in each cell are connected in series; all the battery cells are connected in parallel.
5. The easy-to-overhaul and maintenance energy storage lithium battery according to claim 1, wherein the mounting frame is made of plastic material; the horizontal section of the movable column is hexagonal, and the movable column is made of plastic materials.
6. The energy storage lithium battery convenient to overhaul and maintain according to claim 1, wherein a plurality of rectangular through holes which can be penetrated by the conductive blocks are arranged at the mounting frame, and the number of the rectangular through holes is equal to that of the conductive blocks and corresponds to that of the conductive blocks one by one; when the downward moving bolt knob of the detection unit is separated from all the downward moving threaded holes, the corresponding movable conductive column and the detection conductive column are not contacted, and the two adjacent conductive plates are connected by the conductive block; when the downward moving bolt knob of the detection unit is locked with one of the downward moving threaded holes, the two detection conductive columns corresponding to the downward moving threaded holes are abutted with the corresponding movable conductive columns, the two detection conductive columns are respectively abutted by the two conductive downward pressing columns, and the two conductive plates corresponding to the downward moving threaded holes are not contacted with all the conductive blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020180405A1 (en) * | 2001-04-06 | 2002-12-05 | Batson David C. | Terminal assembly for battery |
| CN209200024U (en) * | 2018-12-14 | 2019-08-02 | 湖南聚锂能源科技有限公司 | One kind changing electric-type electric motorcycle pond group |
| CN116470180A (en) * | 2023-05-11 | 2023-07-21 | 风帆（扬州）有限责任公司 | Energy storage lithium battery with self-monitoring function |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020180405A1 (en) * | 2001-04-06 | 2002-12-05 | Batson David C. | Terminal assembly for battery |
| CN209200024U (en) * | 2018-12-14 | 2019-08-02 | 湖南聚锂能源科技有限公司 | One kind changing electric-type electric motorcycle pond group |
| CN116470180A (en) * | 2023-05-11 | 2023-07-21 | 风帆（扬州）有限责任公司 | Energy storage lithium battery with self-monitoring function |
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