CN116470180A - Energy storage lithium battery with self-monitoring function - Google Patents
Energy storage lithium battery with self-monitoring function Download PDFInfo
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- CN116470180A CN116470180A CN202310524248.7A CN202310524248A CN116470180A CN 116470180 A CN116470180 A CN 116470180A CN 202310524248 A CN202310524248 A CN 202310524248A CN 116470180 A CN116470180 A CN 116470180A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- 238000012544 monitoring process Methods 0.000 title claims abstract description 21
- 238000004146 energy storage Methods 0.000 title claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 17
- 238000003780 insertion Methods 0.000 claims abstract description 16
- 230000037431 insertion Effects 0.000 claims abstract description 16
- 239000000178 monomer Substances 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 6
- 230000007774 longterm Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000002627 tracheal intubation Methods 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
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- 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
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
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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
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
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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)
- Battery Mounting, Suspending (AREA)
Abstract
The application discloses an energy storage lithium battery with a self-monitoring function, which comprises a top cover, a bottom cover and a bounding box, wherein a charge and discharge protection circuit, a heat dissipation unit and a plurality of battery monomers are arranged in the bounding box; the heat dissipation unit comprises two end units, a plurality of heat dissipation pipes with rectangular cross sections and a plurality of battery racks, wherein the end units comprise a hard pipe communicated with the circulation channel, a hose connected with the hard pipe, a wind scooper connected with the hose and a plurality of insertion pipes with rectangular cross sections connected with the wind scooper, and a fan unit is arranged in the hard pipe; each battery frame comprises two clamping units, each clamping unit comprises a plurality of strip-shaped blocks and a plurality of arc plates, two adjacent strip-shaped blocks are connected through the arc plates, a plurality of battery clamping positions are formed between the two clamping units of each battery frame, an inserting rod is arranged above and below each radiating pipe respectively, and a plurality of abutting springs are arranged at each inserting rod. The lithium battery has a good heat dissipation effect and has a self-monitoring function.
Description
Technical Field
The application relates to the field of batteries, in particular to an energy storage lithium battery with a self-monitoring function.
Background
The lithium battery is light in weight, and along with the development of technology, the stability of the lithium battery is improved, so that the lithium battery is more and more widely used, and the lithium battery generally comprises a shell, a charge and discharge protection circuit, a battery frame and a plurality of battery monomers fixedly arranged at the battery frame. Because the optimal working temperature of the lithium battery needs to be within a proper working temperature range, in order to avoid the situation that the temperature of the lithium battery is too high in the use process in high-temperature weather, some lithium batteries are provided with a heat radiating unit at a shell, such as air cooling and liquid cooling, so that the use cost is relatively lower, but the use is wider, but the air cooling heat radiation needs to be exchanged with the outside air, so that if the outside air flow has certain humidity or corrosiveness, the inside lithium battery monomer can be influenced, and long-term stable use of the lithium battery is not facilitated. In addition, the conventional lithium battery general shell only plays a role in protecting the lithium battery, and some lithium batteries do not have a damping function, and the lithium battery general shell needs to be additionally arranged on a damping platform and has no monitoring function on the lithium battery. Therefore, the monitoring of the problem that the lamp changes in the mounting position of the lithium battery monomer due to long-term vibration does not exist for the internal lithium battery monomer, in particular to the mounting structure and the mounting position, so that the long-term stable use of the lithium battery is not facilitated.
Disclosure of Invention
The invention aims to: the application aims to overcome the defects of the prior art and provides an energy storage lithium battery with a self-monitoring function.
The technical scheme is as follows: the energy storage lithium battery comprises a top cover, a bottom cover and a surrounding box, wherein the top cover is fixedly connected with the top end of the surrounding box, the bottom cover is fixedly connected with the bottom end of the surrounding box, and two electrode units are arranged at the top cover; a rectangular circulating channel is arranged in the side wall of the bounding box, and a charge and discharge protection circuit, a heat dissipation unit and a plurality of battery monomers are arranged in the bounding box; the heat dissipation unit comprises two end units, a plurality of heat dissipation pipes with rectangular cross sections and a plurality of battery frames, wherein the end units comprise a hard pipe communicated with a circulation channel, a hose connected with the hard pipe, a wind scooper connected with the hose and a plurality of insertion pipes with rectangular cross sections connected with the wind scooper, a fan unit is installed in the hard pipe, a strip-shaped protruding block is fixed at the top end and the bottom end of the wind scooper, a plurality of through holes are formed in the strip-shaped protruding block, a limiting block is fixed at the top end and the bottom end of the insertion pipes, a first through hole is formed in the limiting block, the top end and the bottom end of the wind scooper are connected with supporting plates through supporting springs, the supporting plates above the wind scooper are in butt joint with the top cover, and the supporting plates below the wind scooper are in butt joint with the bottom cover; all the radiating pipes are parallel to each other and are positioned between the two end units, and two ends of each radiating pipe are respectively inserted by one insertion pipe of the two end units; each battery frame comprises two clamping units, each clamping unit comprises a plurality of strip-shaped blocks and a plurality of arc plates, two adjacent strip-shaped blocks are connected through the arc plates, a plurality of battery clamping positions are formed between the two clamping units of each battery frame, each battery clamping position is surrounded by the two arc plates, and the two arc plates clamp and abut against battery monomers of the battery clamping position; the strip-shaped block is provided with two second through holes and rectangular through holes positioned between the two second through holes, an inserting rod is respectively arranged above and below each radiating pipe, two ends of each inserting rod are respectively inserted into one through hole of the two end units, two ends of each inserting rod are respectively inserted into one first through hole of the two end units, two ends of each inserting rod are respectively provided with external threads, the external threads are provided with locking nuts which are abutted against the strip-shaped protruding blocks, each rectangular through hole is penetrated by one radiating pipe, each second through hole is penetrated by one inserting rod, each inserting rod is provided with a plurality of abutting springs, one abutting spring is arranged between two adjacent battery frames for any inserting rod, and one abutting spring is arranged between a limiting block and the battery frame closest to the limiting block.
Further, the supporting springs at the top end of the wind scooper are distributed in a row, and the supporting springs at the bottom end of the wind scooper are distributed in a row; the support plate is provided with a strip-shaped positioning groove, and the top cover and the bottom cover are respectively provided with a strip-shaped positioning block matched with the strip-shaped positioning groove.
Therefore, the bar-shaped positioning grooves and the bar-shaped positioning holes are matched to realize better supporting and positioning of the two air guide covers, and positioning of a plurality of battery monomers is realized.
Further, the chamber unit is flat.
Further, the number of the battery frames is 5, and each battery frame is provided with 5 battery clamping positions; all the battery cells are distributed in a rectangular array; the number of the radiating pipes is 6, the number of the inserting rods is 12, and each wind scooper is provided with 6 inserting pipes.
Further, the bottom cover is provided with a plurality of pressure sensors distributed in a rectangular array, the bottom cover is also provided with a limiting column, the top end of the limiting column is fixed with a stop block, a bearing plate is arranged above the pressure sensors, and the bearing plate is provided with limiting holes matched with the limiting column.
Further, the both ends of the backup pad of wind scooper top all have the locating hole, top cap department has the cavity unit, cavity unit department be fixed with 4 with the piston section of thick bamboo of cavity unit intercommunication, install the piston in the piston section of thick bamboo, the piston is connected with can insert the movable rod of locating hole, the upper surface of top cap has the mounting groove, install in the mounting groove with the air pump of cavity unit intercommunication.
Further, the number of the pressure sensors is 4-16; the locating hole is cylindrical hole, the movable rod is cylindrical rod, and the diameter of locating hole is greater than the diameter of movable rod.
Therefore, the positioning hole and the movable rod can realize better positioning, and have a fault-tolerant space.
Further, the top cover and the bounding box are fixedly connected through bolts; the bottom cover is fixedly connected with the surrounding box through bolts.
Further, the radiating pipe and the battery rack are both made of copper-aluminum alloy.
Further, a heat-conducting adhesive is arranged between the battery cell and the corresponding arc-shaped plate.
Thereby realizing better heat conduction to the battery cells.
Further, the top end of the bounding box is provided with a rectangular frame-shaped top end inserting frame, the top end inserting frame is provided with a rectangular frame-shaped top end inserting groove, the bottom end of the bounding box is provided with a rectangular frame-shaped bottom end inserting frame, and the bottom end inserting frame is provided with a rectangular frame-shaped bottom end inserting groove; the top cover is provided with a rectangular frame-shaped first slot which is inserted by the top end inserting frame, and the first slot is internally provided with a rectangular frame-shaped first inserting frame which can be inserted into the top end inserting frame; the bottom cover is provided with a rectangular frame-shaped second slot which is inserted by the bottom end inserting frame, and the second slot is internally provided with a rectangular frame-shaped second inserting frame which can be inserted into the bottom end inserting frame.
Further, the bottom cover is provided with a strip-shaped supporting block, the strip-shaped supporting block is provided with a bolt hole, and the bottom of the bottom cover is also provided with a plurality of strip-shaped reinforcing ribs.
Thereby more convenient installation of lithium cell, and make the shell of lithium cell have bigger intensity.
Further, a plurality of temperature sensors are installed in the bounding box.
Further, the air pump comprises a control unit, and the fan unit, the air pump, the plurality of temperature sensors and the plurality of pressure sensors are all connected with the control unit.
Further, the battery cells in the same battery frame are connected in series, and the different groups are connected in parallel.
Further, the bounding box is provided with a plurality of radiating fins.
Further, the bounding box, the top cover and the bottom cover are all made of plastic; the outer side wall of the bounding box is provided with an opening communicated with the circulating channel, a heat conducting block is fixedly arranged at the opening, and a plurality of radiating fins are arranged at the heat conducting block.
Further, a sealant is arranged between the opening and the heat conducting block.
Further, the corner positions of the bounding box are provided with triangular reinforcing ribs.
The beneficial effects are that: the lithium battery has a good heat dissipation effect, can internally realize air-cooled heat dissipation, and the heat dissipation air flow is not in contact with the outside, so that the protection of the internal battery is realized, and the battery is not damped due to the contact of the heat dissipation air flow and the outside.
The lithium battery of this application, inside battery cell is rectangular array distribution, realizes the heat conduction to battery cell through setting up the battery frame to can detect the centre gripping condition of battery cell and arc, can realize passive monitoring, also can realize initiatively detecting, thereby realize detecting the operating condition of lithium battery, thereby make lithium battery be in stable operating condition.
Drawings
FIG. 1 is a schematic diagram of a lithium battery;
FIG. 2 is another angular schematic view of a lithium battery;
FIG. 3 is a schematic view of a lithium battery component from a first perspective;
FIG. 4 is an enlarged view of area A;
FIG. 5 is a schematic view of a lithium battery component from a second perspective;
FIG. 6 is an enlarged view of the region B1;
FIG. 7 is an enlarged view of the region B2;
FIG. 8 is a schematic view of a lithium battery component from a third perspective;
FIG. 9 is an enlarged view of region C1;
fig. 10 is an enlarged view of the region C2.
Detailed Description
Reference numerals: 1, a top cover; 1.1 electrode units; 1.2 mounting grooves; 1.3 an air pump;
2, a bottom cover; 2.1 bar-shaped supporting blocks; 2.2 bar-shaped reinforcing ribs; 2.3 bar-shaped positioning blocks; 2.4 limit posts; 2.5 stop blocks; 2.6 receiving plates; 2.7 a second slot; 2.8 a second plug frame;
3, enclosing a box; 3.1 top end insert frame; 3.1.1 top slots; 3.2 inserting a frame at the bottom end; 3.3 radiating fins; 3.4 triangular reinforcing ribs; 3.5 bar-shaped positioning blocks; 3.6 chamber units; 3.6.1 piston cylinder; 3.6.2 moving lever;
4.1 hard tube; 4.2 hose; 4.3, a wind scooper; 4.3.1 support springs; 4.3.2 support plates; 4.3.3 strip-shaped positioning grooves; 4.3.4 locating holes; 4.3.5 bar-shaped bumps; 4.4 intubation; 4.4.1 limiting blocks; 4.5 radiating pipes; 4.6 inserting the rod; 4.6.1 external threads; 4.6.2 lock nuts; 4.7 abutting the spring;
5 a clamping unit; 5.1 arc-shaped plates; 5.2 bar blocks.
As shown in the figure: the energy storage lithium battery with the self-monitoring function comprises a top cover 1, a bottom cover 2 and a bounding box 3, wherein the top cover 1 is fixedly connected with the top end of the bounding box 3, the bottom cover 2 is fixedly connected with the bottom end of the bounding box 3, and two electrode units 1.1 are arranged at the top cover 1; a rectangular circulation channel is arranged in the side wall of the enclosure 3, and a charge and discharge protection circuit, a heat dissipation unit and a plurality of battery cells (not shown in the figure) are arranged in the enclosure 3; the heat dissipation unit comprises two end units, a plurality of heat dissipation pipes 4.5 with rectangular cross sections and a plurality of battery frames, wherein the end units comprise a hard pipe 4.1 communicated with a circulation channel, a flexible pipe 4.2 connected with the hard pipe 4.1, a wind guide cover 4.3 connected with the flexible pipe 4.2 and a plurality of insertion pipes 4.4 with rectangular cross sections connected with the wind guide cover 4.3, a fan unit is installed in the hard pipe 4.1, one strip-shaped protruding block 4.3.5 is fixed at the top end and the bottom end of the wind guide cover 4.3, a plurality of through holes are formed in the strip-shaped protruding block 4.3.5, a limiting block 4.4.1 is fixed at the top end and the bottom end of the insertion pipe 4.4.1, a first through hole is formed in the position of the limiting block 4.4.1, the top end and the bottom end of the wind guide cover 4.3 are connected with a supporting plate 4.3.2 through supporting springs 4.3.1, the supporting plate 4.3.2 above the wind guide cover 4.3 is abutted against the supporting plate 4.3.2, and the bottom cover 4.3 is abutted against the supporting plate 2 below the wind guide cover 4.3. All the radiating pipes 4.5 are parallel to each other, and all the radiating pipes 4.5 are positioned between the two end units, and two ends of each radiating pipe 4.5 are respectively inserted by one insertion pipe 4.4 of the two end units; each battery frame comprises two clamping units 5, each clamping unit 5 comprises a plurality of strip-shaped blocks 5.2 and a plurality of arc-shaped plates 5.1, two adjacent strip-shaped blocks 5.2 are connected through the arc-shaped plates 5.1, a plurality of battery clamping positions are formed between the two clamping units 5 of each battery frame, each battery clamping position is surrounded by the two arc-shaped plates 5.1, and the two arc-shaped plates 5.1 clamp and abut against battery monomers of the battery clamping positions; the strip-shaped block 5.2 is provided with two second through holes and rectangular through holes positioned between the two second through holes, one inserted rod 4.6 is arranged above and below each radiating pipe 4.5 respectively, two ends of each inserted rod 4.6 are inserted into one through hole of two end units respectively, two ends of each inserted rod 4.6 are inserted into one first through hole of two end units respectively, two ends of each inserted rod 4.6 are provided with external threads 4.6.1, the external threads 4.6.1 are provided with locking nuts 4.6.2 abutting against the strip-shaped protruding blocks 4.3.3, each rectangular through hole is penetrated by one radiating pipe 4.5, each second through hole is penetrated by one inserted rod 4.6, each inserted rod 4.6 is provided with a plurality of abutting springs 4.7, for any inserted rod 4.6, two adjacent battery frames are provided with one abutting spring 4.7, and each limiting block 4.1 and the closest battery frame 4.7 is provided with a limiting block 4.7.
The supporting springs 4.3.1 at the top end of the wind scooper 4.3 are distributed in a row, and the supporting springs 4.3.1 at the bottom end of the wind scooper 4.3 are distributed in a row; the support plate 4.3.2 is provided with a strip-shaped positioning groove 4.3.3, and the top cover 1 and the bottom cover 2 are provided with strip-shaped positioning blocks 2.3 matched with the strip-shaped positioning groove 4.3.3. The number of the battery frames is 5, and each battery frame is provided with 5 battery clamping positions; all the battery cells are distributed in a rectangular array; the number of the radiating pipes 4.5 is 6, the number of the inserting rods 4.6 is 12, and each wind scooper 4.3 is provided with 6 inserting pipes 4.4. A plurality of pressure sensors distributed in a rectangular array are arranged at the bottom cover 2, a limit post 2.4 is also fixed at the bottom cover 2, a stop block 2.5 is fixed at the top end of the limit post 2.4, a bearing plate 2.6 is arranged above the pressure sensors, and a limit hole matched with the limit post 2.4 is formed at the bearing plate 2.6; the utility model discloses a fan, including fan housing 4.3, backup pad 4.3.2, top cap 1, piston cylinder 3.6.1, piston connection has the locating hole 4.3.4 at the both ends of backup pad 4.3.2 of fan housing 4.3 top, top cap 1 department has cavity unit 3.6, cavity unit 3.6 department be fixed with 4 with piston cylinder 3.6.1 of cavity unit 3.6 intercommunication, install the piston in the piston cylinder 3.6.1, the piston connection has can insert locating hole 4.3.4's movable rod 3.6.2, top cap 1's upper surface has mounting groove 1.2, install in the mounting groove 1.2 with air pump 1.3 of cavity unit 3.6 intercommunication. The number of the pressure sensors is 4-16; the positioning hole 4.3.4 is a cylindrical hole, the movable rod 3.6.2 is a cylindrical rod, and the diameter of the positioning hole 4.3.4 is larger than the diameter of the movable rod 3.6.2. The top cover 1 and the bounding box 3 are fixedly connected through bolts; the bottom cover 2 and the bounding box 3 are fixedly connected through bolts. The radiating pipe 4.5 and the battery rack are both made of copper-aluminum alloy. The top end of the bounding box 3 is provided with a rectangular frame-shaped top end inserting frame 3.1, the top end inserting frame 3.1 is provided with a rectangular frame-shaped top end inserting groove 3.1.1, the bottom end of the bounding box 3 is provided with a rectangular frame-shaped bottom end inserting frame 3.2, and the bottom end inserting frame 3.2 is provided with a rectangular frame-shaped bottom end inserting groove; the top cover 1 is provided with a rectangular frame-shaped first slot which is inserted by the top end inserting frame 3.1, and the first slot is internally provided with a rectangular frame-shaped first inserting frame which can be inserted into the top end inserting frame 3.1.1; the bottom cover 2 is provided with a rectangular frame-shaped second slot 2.7 which is inserted by the bottom end inserting frame 3.2, and the second slot 2.7 is internally provided with a rectangular frame-shaped second inserting frame 2.8 which can be inserted into the bottom end inserting frame. The bottom cover 2 is provided with a strip-shaped supporting block 2.1, the strip-shaped supporting block 2.1 is provided with a bolt hole, and the bottom of the bottom cover 2 is also provided with a plurality of strip-shaped reinforcing ribs 2.2. A plurality of temperature sensors are installed in the bounding box.
The lithium battery of this application is as shown, and its inside a plurality of lithium battery monomer all have two arc parcel centre gripping to lithium battery monomer's heat conduction to arc department to by conduction to cooling tube department, form a plurality of radiating air flows through the cooling tube between two tip units, radiating air flow circulates between cooling tube and circulation channel, thereby takes away lithium battery monomer's heat. In addition, due to the arrangement of the supporting plate and the supporting spring, the supporting plate and the supporting spring can well support a plurality of lithium battery monomers, so that the purpose of shock absorption is achieved. However, when the lithium battery cell cannot be tightly clamped by the arc plate, heat cannot be effectively conducted, so that the state of the lithium battery cell needs to be detected. Through set up the pressure sensor that holds the board and be a plurality of rectangular array distribution in bottom department, when certain lithium cell monomer appears falling from battery clamping position, can strike and hold the board to pressure sensor's measured value is unusual, consequently can report to the police and remind the maintenance, this is a long-term passive monitoring method. The detection can be actively performed, the air pump is used for injecting air into the cavity unit, so that a plurality of movable rods move downwards and are inserted into the positioning holes, and along with the extension of the movable rods, the two end units move downwards, so that all the battery units move downwards integrally, the bearing plate is pressed downwards, whether the height distribution of the battery units distributed in the rectangular array before being pressed downwards is abnormal or not can be judged according to the measured value of the sensor distributed in the rectangular array (for example, when the position of a corresponding arc plate of a certain battery unit moves downwards before), and then the measured value of the pressure sensor distributed in the rectangular array is abnormal (particularly, the measured value of a certain pressure sensor is obviously larger than the measured value of other pressure sensors). In addition, when a certain movable rod cannot be matched with a corresponding positioning hole for positioning, the measured values of the pressure sensors distributed in the rectangular array are abnormal, so that the positions of a plurality of lithium battery units and whether the positions of two end units are normal can be judged through active detection.
While the invention 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 invention as defined in the following claims.
Claims (10)
1. The energy storage lithium battery with the self-monitoring function is characterized by comprising a top cover, a bottom cover and a surrounding box, wherein the top cover is fixedly connected with the top end of the surrounding box, the bottom cover is fixedly connected with the bottom end of the surrounding box, and two electrode units are arranged at the top cover; a rectangular circulating channel is arranged in the side wall of the bounding box, and a charge and discharge protection circuit, a heat dissipation unit and a plurality of battery monomers are arranged in the bounding box; the heat dissipation unit comprises two end units, a plurality of heat dissipation pipes with rectangular cross sections and a plurality of battery frames, wherein the end units comprise a hard pipe communicated with a circulation channel, a hose connected with the hard pipe, a wind scooper connected with the hose and a plurality of insertion pipes with rectangular cross sections connected with the wind scooper, a fan unit is installed in the hard pipe, a strip-shaped protruding block is fixed at the top end and the bottom end of the wind scooper, a plurality of through holes are formed in the strip-shaped protruding block, a limiting block is fixed at the top end and the bottom end of the insertion pipes, a first through hole is formed in the limiting block, the top end and the bottom end of the wind scooper are connected with supporting plates through supporting springs, the supporting plates above the wind scooper are in butt joint with the top cover, and the supporting plates below the wind scooper are in butt joint with the bottom cover; all the radiating pipes are parallel to each other and are positioned between the two end units, and two ends of each radiating pipe are respectively inserted by one insertion pipe of the two end units; each battery frame comprises two clamping units, each clamping unit comprises a plurality of strip-shaped blocks and a plurality of arc plates, two adjacent strip-shaped blocks are connected through the arc plates, a plurality of battery clamping positions are formed between the two clamping units of each battery frame, each battery clamping position is surrounded by the two arc plates, and the two arc plates clamp and abut against battery monomers of the battery clamping position; the strip-shaped block is provided with two second through holes and rectangular through holes positioned between the two second through holes, an inserting rod is respectively arranged above and below each radiating pipe, two ends of each inserting rod are respectively inserted into one through hole of the two end units, two ends of each inserting rod are respectively inserted into one first through hole of the two end units, two ends of each inserting rod are respectively provided with external threads, the external threads are provided with locking nuts which are abutted against the strip-shaped protruding blocks, each rectangular through hole is penetrated by one radiating pipe, each second through hole is penetrated by one inserting rod, each inserting rod is provided with a plurality of abutting springs, one abutting spring is arranged between two adjacent battery frames for any inserting rod, and one abutting spring is arranged between a limiting block and the battery frame closest to the limiting block.
2. The energy storage lithium battery with the self-monitoring function according to claim 1, wherein the supporting springs at the top end of the wind scooper are distributed in a row, and the supporting springs at the bottom end of the wind scooper are distributed in a row; the support plate is provided with a strip-shaped positioning groove, and the top cover and the bottom cover are respectively provided with a strip-shaped positioning block matched with the strip-shaped positioning groove.
3. The energy storage lithium battery with self-monitoring function according to claim 1, wherein the number of the battery frames is 5, and each battery frame has 5 battery clamping positions; all the battery cells are distributed in a rectangular array; the number of the radiating pipes is 6, the number of the inserting rods is 12, and each wind scooper is provided with 6 inserting pipes.
4. The energy storage lithium battery with the self-monitoring function according to claim 1, wherein a plurality of pressure sensors distributed in a rectangular array are installed at the bottom cover, a limit post is also fixed at the bottom cover, a stop block is fixed at the top end of the limit post, a bearing plate is arranged above the plurality of pressure sensors, and a limit hole matched with the limit post is formed at the bearing plate; the utility model discloses a fan, including fan housing, top cap, piston, air guide cover top, the both ends of backup pad of fan housing top all have the locating hole, top cap department has the cavity unit, cavity unit department be fixed with 4 with the piston cylinder of cavity unit intercommunication, install the piston in the piston cylinder, the piston is connected with can insert the movable rod of locating hole, the upper surface of top cap has the mounting groove, install in the mounting groove with the air pump of cavity unit intercommunication.
5. The energy storage lithium battery with self-monitoring function according to claim 1, wherein the number of the pressure sensors is 4-16; the locating hole is cylindrical hole, the movable rod is cylindrical rod, and the diameter of locating hole is greater than the diameter of movable rod.
6. The energy storage lithium battery with the self-monitoring function according to claim 1, wherein the top cover and the bounding box are fixedly connected through bolts; the bottom cover is fixedly connected with the surrounding box through bolts.
7. The energy storage lithium battery with self-monitoring function according to claim 1, wherein the radiating pipe and the battery frame are made of copper-aluminum alloy.
8. The energy storage lithium battery with self-monitoring function according to claim 1, wherein the top end of the enclosure has a rectangular frame-shaped top end insertion frame, the top end insertion frame has a rectangular frame-shaped top end insertion slot, the bottom end of the enclosure has a rectangular frame-shaped bottom end insertion frame, and the bottom end insertion frame has a rectangular frame-shaped bottom end insertion slot; the top cover is provided with a rectangular frame-shaped first slot which is inserted by the top end inserting frame, and the first slot is internally provided with a rectangular frame-shaped first inserting frame which can be inserted into the top end inserting frame; the bottom cover is provided with a rectangular frame-shaped second slot which is inserted by the bottom end inserting frame, and the second slot is internally provided with a rectangular frame-shaped second inserting frame which can be inserted into the bottom end inserting frame.
9. The energy storage lithium battery with a self-monitoring function according to claim 1, wherein the bottom cover is provided with a strip-shaped supporting block, the strip-shaped supporting block is provided with a bolt hole, and the bottom of the bottom cover is further provided with a plurality of strip-shaped reinforcing ribs.
10. The lithium battery with self-monitoring function according to claim 1, wherein a plurality of temperature sensors are installed in the enclosure.
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CN116706408A (en) * | 2023-08-07 | 2023-09-05 | 风帆(扬州)有限责任公司 | Energy storage lithium battery convenient to overhaul and maintain |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116706408A (en) * | 2023-08-07 | 2023-09-05 | 风帆(扬州)有限责任公司 | Energy storage lithium battery convenient to overhaul and maintain |
CN116706408B (en) * | 2023-08-07 | 2023-11-07 | 风帆(扬州)有限责任公司 | Energy storage lithium battery convenient to overhaul and maintain |
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