CN117293476B - External protection board structure of power lithium battery convenient to installation and dismantlement - Google Patents
External protection board structure of power lithium battery convenient to installation and dismantlement Download PDFInfo
- Publication number
- CN117293476B CN117293476B CN202311585829.8A CN202311585829A CN117293476B CN 117293476 B CN117293476 B CN 117293476B CN 202311585829 A CN202311585829 A CN 202311585829A CN 117293476 B CN117293476 B CN 117293476B
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- cover body
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- positioning
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 title claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 27
- 238000013016 damping Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 4
- 238000004880 explosion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction 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
- 230000007246 mechanism Effects 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
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- 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
-
- 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
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- 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
-
- 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
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
- H01M50/287—Fixing of circuit boards to lids or covers
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- 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)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an external protection plate structure of a power lithium battery, which is convenient to mount and dismount, and relates to the technical field of lithium batteries. This external protection plate structure of power lithium cell convenient to installation and dismantlement is through linking the setting of locating component, when installing the protection shield body, the side locating rack of both sides can be with the one end contact of locating clamp plate to the inside shrink-in-process of lid for locating clamp plate pressurized rotates along corresponding spacing, until the arc locating plate and the balladeur train contact back of locating clamp plate tip, realize the location of balladeur train, only need open the lid when dismantling, the balladeur train receives the locating force cancellation of arc locating plate, the protection shield body can be ejecting through the side locating rack of both sides is automatic simultaneously, only need outwards pulling the protection shield body can accomplish the dismantlement, the positioning effect of protection shield body has been guaranteed and the assembly maintenance convenience of protection shield body has been promoted simultaneously.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to an external protection plate structure of a power lithium battery, which is convenient to mount and dismount.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as positive/negative electrode material and nonaqueous electrolyte solution, the protective plate of the lithium battery is fixed on the module in a special structure, the protective plate is connected with the module and the connector through the wire harness, the connector is fixed on the upper cover, can be communicated with the external wire harness, and is widely applied to a lithium battery pack, and the reference application number is as follows: the utility model provides a "take precautions against earthquakes lithium battery protection board" of "202310725668.1", this application has solved current protection board and can make power battery take place frequent vibrations, collision or warp, lead to taking place to leak easily, and then shorten the performance of battery, can cause the condition of power battery spontaneous combustion, explosion when serious, the in-process that can lead to easily that the electric contact between battery and the protection board breaks away from and arouses the circuit breaker, and then the paralyzed problem of driving system of electric drive instrument, but still there is the problem of being inconvenient for to install and dismantle and the barrier propterty is relatively poor, to this we propose an external protection plate structure of power lithium battery convenient to install and dismantle for solve above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an external protection board structure of a power lithium battery, which is convenient to mount and dismount, and solves the problems of inconvenient mounting and dismounting and poor protection performance.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides an external protection plate structure of power lithium cell convenient to installation and dismantlement, includes outer box, the top surface of outer box rotates installs the lid, the inside of outer box is equipped with the battery module, the inside of lid is equipped with the protection shield body, be equipped with between protection shield body and the lid inside and link up the locating component, it has side locating rack to link up the locating component, side locating rack has two and respectively slidable mounting in the inside both sides of lid, and side locating rack can be along with the closing of lid to the inside slip of lid, the shrink lid inside, and the slip direction of side locating rack keeps perpendicular with the lid, two all be fixed with the spring body between the tip of side locating rack and the inside of lid, the spring body is flexible along the slip direction of side locating rack, two the inboard of side locating rack all is fixed with the spill locating rack, the both sides of protection shield body all are fixed with the balladeur train, two the balladeur train is slidable mounting respectively in the spill locating rack inside that corresponds, the inside both sides of lid all are fixed with the locating rack, and the outside of side locating rack all rotates the clamp plate, and install the clamp plate and be equipped with the clamp plate and keep away from between the side of arc-shaped plate and the corresponding positioning plate, the side plate is located the arc-shaped plate and the side locating plate, and the side of arc-shaped plate is located the side of the box is located between the side of the side locating plate, and the arc.
Preferably, the end part of the cover body is provided with a rotating shaft and is rotatably arranged on the top surface of the outer box body through the matching of the rotating shaft, and the protection plate body is parallel to the cover body.
Preferably, the upper and lower both sides of battery module all are fixed with the limit frame, two be fixed with the side board between the limit frame, two the outside tip of limit frame all is fixed with damping spring.
Preferably, a plurality of radiating fins are fixed on the side face of the protection plate body, and a distance is reserved between the protection plate body and the battery module.
Preferably, the electric connection assembly comprises a connecting wire row, the connecting wire row is located inside the cover body, the connecting wire row is provided with two side faces which are respectively fixed on the protection plate body, a module connector and an external wire harness connector are fixed inside the outer box body, the two connecting wire rows are respectively connected to the module connectors and the external wire harness connectors on the two sides, and the module connectors are electrically connected with the battery module through wires.
Preferably, the inside of lid is equipped with spacing clamp plate, equal fixed mounting has extension spring between the both ends of spacing clamp plate and the lid inside, spacing clamp plate is located two and links up the line row outsides.
Preferably, the locking assembly comprises locking plates, two locking plates are respectively fixed at the middle parts of two sides of the outer box body, handle plates are respectively fixed at two sides of the cover body, two locking shafts are respectively slidably mounted in the locking plates, reset springs are sleeved at the end parts of the locking shafts, inclined surfaces are formed at the end parts, close to the handle plates, of the locking shafts, and locking holes matched with the locking shafts are formed in the two locking plates.
Preferably, the same positioning holes are formed in both sides of the inner part of the locking plate and both sides of the inner part of the handle plate.
Advantageous effects
The invention provides an external protection plate structure of a power lithium battery, which is convenient to mount and dismount. Compared with the prior art, the method has the following beneficial effects:
(1) This external protection plate structure of power lithium cell convenient to installation and dismantlement is through linking the setting of locating component, when installing the protection shield body, the side locating rack of both sides can be with the one end contact of locating clamp plate to the inside shrink-in-process of lid for locating clamp plate pressurized rotates along corresponding spacing, until the arc locating plate and the balladeur train contact back of locating clamp plate tip, realize the location of balladeur train, only need open the lid when dismantling, the balladeur train receives the locating force cancellation of arc locating plate, the protection shield body can be ejecting through the side locating rack of both sides is automatic simultaneously, only need outwards pulling the protection shield body can accomplish the dismantlement, the assembly maintenance convenience of protection shield body has been promoted simultaneously to the locating effect of having guaranteed the protection shield body.
(2) This external protection plate structure of power lithium cell convenient to installation and dismantlement, through the setting of spacing clamp plate, when the protection shield body assembly is accomplished the back and is being connected to the joining line row, at first with spacing clamp plate outside pulling for the extension spring of both sides is stretched, then is connected to module joint and outside pencil joint respectively after bypassing spacing clamp plate with the joining drum of both sides, loosens spacing clamp plate after the connection is accomplished, spacing clamp plate can be forced to retract and upwards promote joining line row middle part, makes joining line row keep certain tension, keep the distance with between battery module and the outer box, has guaranteed the life of joining the drum.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a locking assembly of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the point A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a rotating structure of the cover along a rotating shaft;
FIG. 5 is an enlarged schematic view of the lithium battery of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of a limiting platen structure according to the present invention;
fig. 7 is a schematic view of a battery module structure according to the present invention;
FIG. 8 is a schematic cross-sectional view of a cover of the present invention;
FIG. 9 is an enlarged schematic view of the structure of the point C in FIG. 8 according to the present invention;
fig. 10 is a schematic view of an explosion structure of a cover body and a protection plate body according to the present invention.
In the figure: 1. an outer case; 101. a module joint; 102. an external harness joint; 2. a cover body; 201. a rotating shaft; 3. a handle plate; 301. positioning holes; 4. a locking plate; 401. a locking shaft; 402. a return spring; 403. an inclined surface; 5. a battery module; 6. a side frame; 601. a damping spring; 602. a side plate; 7. a limit pressing plate; 701. a telescopic spring; 8. a protective plate body; 801. a connecting line row; 802. a heat radiation fin; 803. a carriage; 9. a side positioning frame; 901. a spring body; 902. a concave limiting frame; 10. positioning a pressing plate; 1001. a limiting frame; 1002. a rubber backing plate; 11. and an arc-shaped positioning plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides two technical solutions, specifically including the following embodiments:
embodiment one:
the utility model provides a power lithium cell external protection plate structure convenient to installation and dismantlement, including outer box 1, lid 2 is installed in the top surface rotation of outer box 1, the inside of outer box 1 is equipped with battery module 5, the inside of lid 2 is equipped with protection shield body 8, be equipped with between protection shield body 8 and the lid 2 inside and link up the locating component, it includes side locating rack 9 to link up the locating component, side locating rack 9 has two and respectively slidable mounting in the inside both sides of lid 2, side locating rack 9 can slide to lid 2 inside along with the closing of lid 2, retract inside lid 2, the slip direction of side locating rack 9 keeps perpendicular with lid 2, all be fixed with spring body 901 between the tip of two side locating racks 9 and the inside of lid 2, spring body 901 can stretch out and draw back along the slip direction of side locating rack 9, concave limiting frames 902 are fixed on the inner sides of the two side edge positioning frames 9, sliding frames 803 are fixed on the two sides of the protection plate body 8, the two sliding frames 803 are respectively and slidably mounted in the corresponding concave limiting frames 902, limiting frames 1001 are fixed on the two inner sides of the cover body 2, positioning pressing plates 10 are rotatably mounted on the outer sides of the limiting frames 1001, rubber backing plates 1002 are fixed on one ends of the positioning pressing plates 10, arc-shaped positioning plates 11 are fixedly mounted on the outer sides of the rubber backing plates 1002, the mounting positions of the arc-shaped positioning plates 11 are located above the corresponding sliding frames 803, the end portions, away from the arc-shaped positioning plates 11, of the positioning pressing plates 10 are located above the side edge positioning frames 9, an electric connection assembly is arranged between the protection plate body 8 and the outer box body 1, and locking is achieved between the outer box body 1 and the cover body 2 in a bolt mode;
in the embodiment of the invention, the end part of the cover body 2 is provided with a rotating shaft 201 and is arranged on the top surface of the outer box body 1 through the matching rotation of the rotating shaft 201, and the protection plate body 8 is parallel to the cover body 2;
in the embodiment of the invention, the upper side and the lower side of the battery module 5 are both fixed with the side frames 6, the side plates 602 are fixed between the two side frames 6, the outer side ends of the two side frames 6 are both fixed with the damping springs 601, the battery module 5 and the damping springs 601 are both existing mechanisms, and the damping springs 601 can buffer the force born by the battery module 5 and improve the protection effect of the battery module 5;
in the embodiment of the invention, a plurality of radiating fins 802 are fixed on the side surface of the protection plate body 8, and a distance is reserved between the protection plate body 8 and the battery module 5;
in the embodiment of the invention, the electric connection assembly comprises a connection wire row 801, the connection wire row 801 is positioned in the cover body 2, the connection wire row 801 is provided with two side surfaces respectively fixed on the protection plate body 8, a module joint 101 and an external wire harness joint 102 are fixed in the outer box body 1, the two connection wire rows 801 are respectively connected to the module joints 101 and the external wire harness joints 102 on two sides, and the module joints 101 are electrically connected with the battery module 5 through wires;
in the embodiment of the invention, a limiting pressing plate 7 is arranged in the cover body 2, telescopic springs 701 are fixedly arranged between two ends of the limiting pressing plate 7 and the inside of the cover body 2, and the limiting pressing plate 7 is positioned outside two connecting line rows 801.
When the protective plate body 8 is assembled, the cover body 2 is firstly rotated and opened along the outer box body 1, the side positioning frames 9 arranged on two sides of the interior can be separated from the top surface of the outer box body 1 while the cover body 2 is rotated, the side positioning frames 9 can slide outwards through the spring bodies 901 at the end parts, the side positioning frames 9 can drive the outer concave limiting frames 902 to slide outwards until the concave limiting frames 902 slide to be flush with the cover body 2, then the protective plate body 8 is assembled, the sliding frames 803 arranged on the outer side of the protective plate body 8 are inserted into the corresponding concave limiting frames 902 during assembly, then the protective plate body 8 is pushed into the cover body 2 until the protective plate body 8 stops after reaching the middle position, then the connecting line rows 801 are connected, and then the assembly can be completed, when the cover body 2 is closed, the side positioning frames 9 on two sides can slide upwards by contact with the outer box body 1 under pressure, the spring bodies 901 can be extruded, and the protective plate body 8 can be contracted into the cover body 2 through the side positioning frames 9 on two sides;
in the embodiment of the invention, when the side locating frames 9 on two sides are retracted into the cover body 2, the side locating frames can be contacted with one end of the locating pressing plate 10, so that the locating pressing plate 10 is pressed to rotate along the corresponding limiting frame 1001 until the arc locating plate 11 at the end part of the locating pressing plate 10 is contacted with the sliding frame 803, the locating effect of the sliding frame 803 is further ensured, the cover body 2 is only required to be opened when the sliding frame 803 is disassembled, the locating force of the arc locating plate 11 is cancelled, meanwhile, the protective plate body 8 can be automatically ejected through the side locating frames 9 on two sides, the disassembly can be completed only by pulling the protective plate body 8 outwards, the locating effect of the protective plate body 8 is ensured, and meanwhile, the assembly maintenance convenience of the protective plate body 8 is improved;
in the embodiment of the invention, through the arrangement of the limiting pressing plate 7, when the connecting wire rows 801 are connected after the assembly of the protection plate body 8 is completed, the limiting pressing plate 7 is pulled outwards at first, so that the telescopic springs 701 on two sides are stretched, then the connecting wire rows 801 on two sides are respectively connected to the module connector 101 and the external wire harness connector 102 after bypassing the limiting pressing plate 7, the limiting pressing plate 7 is loosened after the connection is completed, the middle part of the connecting wire rows 801 can be lifted upwards by the limiting pressing plate 7 under the action of stress retraction, the connecting wire rows 801 keep certain tension, the distance between the battery module 5 and the external box body 1 is kept, and the service life of the connecting wire rows 801 is ensured.
Embodiment two:
based on the first embodiment, an external protection plate structure of a power lithium battery convenient to install and detach comprises an outer box body 1, a cover body 2 is rotatably installed on the top surface of the outer box body 1, a battery module 5 is arranged in the outer box body 1, a protection plate body 8 is arranged in the cover body 2, a connection positioning assembly is arranged between the protection plate body 8 and the inside of the cover body 2, the connection positioning assembly comprises two side positioning frames 9, the side positioning frames 9 are respectively and slidably installed on two inner sides of the cover body 2, the side positioning frames 9 can slide towards the inside of the cover body 2 along with the closing of the cover body 2, the sliding direction of the side positioning frames 9 is kept vertical to the cover body 2, a spring body 901 is fixed between the end parts of the two side positioning frames 9 and the inside of the cover body 2, the spring body 901 can stretch along the sliding direction of the side positioning frames 9, concave limiting frames 902 are fixed on the inner sides of the two side positioning frames 9, the two sliding frames 803 are respectively and slidably installed on the two corresponding concave limiting frames 902, two inner sides of the cover body 2 are respectively, a pressing plate 1001 is fixed on two side plates 803 and are respectively, a pressing plate 11 is arranged on the side of the cover body 2, and is positioned far away from the arc-shaped end part 11 of the cover body 11 is positioned on the side of the cover body 2, and is positioned between the end part of the cover body 11 is positioned on the side of the sealing plate 11 and the cover body 11, and the end part is positioned far away from the end part of the end of the cover body 11 is positioned on the side of the sealing plate 11;
in the embodiment of the invention, the end part of the cover body 2 is provided with a rotating shaft 201 and is arranged on the top surface of the outer box body 1 through the matching rotation of the rotating shaft 201, and the protection plate body 8 is parallel to the cover body 2;
in the embodiment of the invention, the upper side and the lower side of the battery module 5 are both fixed with side frames 6, a side plate 602 is fixed between the two side frames 6, and damping springs 601 are fixed at the outer side ends of the two side frames 6;
in the embodiment of the invention, a plurality of radiating fins 802 are fixed on the side surface of the protection plate body 8, and a distance is reserved between the protection plate body 8 and the battery module 5;
in the embodiment of the invention, the electric connection assembly comprises a connection wire row 801, the connection wire row 801 is positioned in the cover body 2, the connection wire row 801 is provided with two side surfaces respectively fixed on the protection plate body 8, a module joint 101 and an external wire harness joint 102 are fixed in the outer box body 1, the two connection wire rows 801 are respectively connected to the module joints 101 and the external wire harness joints 102 on two sides, and the module joints 101 are electrically connected with the battery module 5 through wires;
in the embodiment of the invention, a limiting pressing plate 7 is arranged in the cover body 2, telescopic springs 701 are fixedly arranged between two ends of the limiting pressing plate 7 and the inside of the cover body 2, and the limiting pressing plate 7 is positioned at the outer sides of two connecting line rows 801;
in the embodiment of the invention, the locking assembly comprises two locking plates 4, the two locking plates 4 are respectively fixed at the middle parts of two sides of the outer box body 1, the handle plates 3 are respectively fixed at two sides of the cover body 2, the locking shafts 401 are respectively and slidably arranged in the two locking plates 4, the end parts of the locking shafts 401 are sleeved with reset springs 402, inclined surfaces 403 are arranged at the end parts of the locking shafts 401, which are close to the handle plates 3, the inner parts of the two handle plates 3 are respectively provided with locking holes matched with the locking shafts 401, and the same positioning holes 301 are respectively arranged at two sides of the inner parts of the two locking plates 4 and the two sides of the inner part of the handle plates 3.
When the protective plate body 8 is assembled, the cover body 2 is firstly rotated and opened along the outer box body 1, the side positioning frames 9 arranged on two sides of the interior can be separated from the top surface of the outer box body 1 while the cover body 2 is rotated, the side positioning frames 9 can slide outwards through the spring bodies 901 at the end parts, the side positioning frames 9 can drive the outer concave limiting frames 902 to slide outwards until the concave limiting frames 902 slide to be flush with the cover body 2, then the protective plate body 8 is assembled, the sliding frames 803 arranged on the outer side of the protective plate body 8 are inserted into the corresponding concave limiting frames 902 during assembly, then the protective plate body 8 is pushed into the cover body 2 until the protective plate body 8 stops after reaching the middle position, then the connecting line rows 801 are connected, and then the assembly can be completed, when the cover body 2 is closed, the side positioning frames 9 on two sides can slide upwards by contact with the outer box body 1 under pressure, the spring bodies 901 can be extruded, and the protective plate body 8 can be contracted into the cover body 2 through the side positioning frames 9 on two sides;
in the embodiment of the invention, when the side locating frames 9 on two sides are retracted into the cover body 2, the side locating frames can be contacted with one end of the locating pressing plate 10, so that the locating pressing plate 10 is pressed to rotate along the corresponding limiting frame 1001 until the arc locating plate 11 at the end part of the locating pressing plate 10 is contacted with the sliding frame 803, the locating effect of the sliding frame 803 is further ensured, the cover body 2 is only required to be opened when the sliding frame 803 is disassembled, the locating force of the arc locating plate 11 is cancelled, meanwhile, the protective plate body 8 can be automatically ejected through the side locating frames 9 on two sides, the disassembly can be completed only by pulling the protective plate body 8 outwards, the locating effect of the protective plate body 8 is ensured, and meanwhile, the assembly maintenance convenience of the protective plate body 8 is improved;
in the embodiment of the invention, through the arrangement of the limit pressing plate 7, when the connection of the connection line rows 801 is carried out after the assembly of the protection plate body 8 is completed, the limit pressing plate 7 is pulled outwards at first, so that the telescopic springs 701 at two sides are stretched, then the connection line rows 801 at two sides are respectively connected to the module joint 101 and the external wire harness joint 102 after bypassing the limit pressing plate 7, the limit pressing plate 7 is loosened after the connection is completed, the limit pressing plate 7 can retract under force to lift the middle part of the connection line rows 801 upwards, so that the connection line rows 801 maintain a certain tension, keep a distance with the battery module 5 and the external box body 1, and ensure the service life of the connection line rows 801;
according to the embodiment of the invention, through the arrangement of the locking assembly, when the cover body 2 is turned downwards to be closed, the handle plates 3 on two sides can be driven to be respectively inserted into the corresponding locking plates 4, along with the contact of the inclined surface 403 at the end part of the locking shaft 401 with the handle plates 3, the locking shaft 401 can be pressed to slide outwards to stretch the reset spring 402, until the cover body 2 is completely closed, the locking shaft 401 can be reset and inserted into the locking holes formed in the handle plates 3 through the cooperation of the reset spring 402 to realize positioning, and then the locking shaft is mounted into the corresponding positioning holes 301 through bolts to lock, so that the packaging convenience is improved.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an external protection plate structure of power lithium cell convenient to installation and dismantlement, includes outer box (1), lid (2), its characterized in that are installed in the top surface rotation of outer box (1): the battery module (5) is arranged in the outer box body (1), the protective plate body (8) is arranged in the cover body (2), and a connection positioning assembly is arranged between the protective plate body (8) and the cover body (2);
the connecting positioning assembly comprises side positioning frames (9), the side positioning frames (9) are provided with two side positioning frames and are respectively and slidably mounted on two sides of the inside of the cover body (2), the side positioning frames (9) can slide towards the inside of the cover body (2) along with the closing of the cover body (2), the side positioning frames (9) are retracted into the inside of the cover body (2), the sliding directions of the side positioning frames (9) and the cover body (2) are kept perpendicular, spring bodies (901) are respectively and fixedly arranged between the end parts of the side positioning frames (9) and the inside of the cover body (2), the spring bodies (901) can stretch along the sliding directions of the side positioning frames (9), concave limiting frames (902) are respectively and slidably mounted on two sides of the protective plate body (8), limiting frames (1001) are respectively and slidably mounted on the inside of the corresponding concave limiting frames (902), the two sides of the inside of the cover body (2), positioning plates (1001) are respectively and rotatably mounted on the outer sides of the limiting frames (1001), positioning plates (10) are rotatably mounted on the inner sides of the corresponding base plates (803) and are fixedly mounted on the arc-shaped base plates (11) of the arc-shaped positioning plates (1002), the end part of the positioning pressing plate (10) far away from the arc-shaped positioning plate (11) is positioned above the side positioning frame (9), an electric connection assembly is arranged between the protective plate body (8) and the outer box body (1), and a locking assembly is arranged between the outer box body (1) and the cover body (2);
the electric connection assembly comprises a connecting wire row (801), the connecting wire row (801) is located inside the cover body (2), the connecting wire row (801) is provided with two side faces which are respectively fixed on the protection plate body (8), a module connector (101) and an external wire harness connector (102) are fixed inside the outer box body (1), the two connecting wire rows (801) are respectively connected to the module connectors (101) and the external wire harness connectors (102) on two sides, and the module connectors (101) are electrically connected with the battery module (5) through wires.
2. The external protection plate structure of a power lithium battery convenient to install and detach according to claim 1, wherein: the end part of the cover body (2) is provided with a rotating shaft (201) and is rotatably arranged on the top surface of the outer box body (1) through the matching of the rotating shaft (201), and the protection plate body (8) is parallel to the cover body (2).
3. The external protection plate structure of a power lithium battery convenient to install and detach according to claim 1, wherein: side frames (6) are fixed on the upper side and the lower side of the battery module (5), side plates (602) are fixed between the two side frames (6), and damping springs (601) are fixed on the outer side ends of the two side frames (6).
4. The external protection plate structure of a power lithium battery convenient to install and detach according to claim 1, wherein: the side of protection shield body (8) is fixed with a plurality of fin (802), keep a distance between protection shield body (8) and battery module (5).
5. The external protection plate structure of a power lithium battery convenient to install and detach according to claim 1, wherein: the novel cable connector is characterized in that a limiting pressing plate (7) is arranged in the cover body (2), telescopic springs (701) are fixedly arranged between two ends of the limiting pressing plate (7) and the inside of the cover body (2), and the limiting pressing plate (7) is located on the outer sides of the two connecting line rows (801).
6. The external protection plate structure of a power lithium battery convenient to install and detach according to claim 1, wherein: the locking assembly comprises locking plates (4), the two locking plates (4) are respectively fixed at the middle parts of two sides of the outer box body (1), handle plates (3) are respectively fixed at two sides of the cover body (2), locking shafts (401) are respectively and slidably mounted in the locking plates (4), reset springs (402) are sleeved at the end parts of the locking shafts (401), inclined surfaces (403) are formed at the end parts, close to the handle plates (3), of the locking shafts (401), and locking holes matched with the locking shafts (401) are formed in the handle plates (3).
7. The external protection plate structure of the power lithium battery convenient to install and detach according to claim 6, wherein: the two inner sides of the locking plates (4) and the two inner sides of the handle plate (3) are provided with the same positioning holes (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311585829.8A CN117293476B (en) | 2023-11-27 | 2023-11-27 | External protection board structure of power lithium battery convenient to installation and dismantlement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311585829.8A CN117293476B (en) | 2023-11-27 | 2023-11-27 | External protection board structure of power lithium battery convenient to installation and dismantlement |
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| CN117293476A CN117293476A (en) | 2023-12-26 |
| CN117293476B true CN117293476B (en) | 2024-02-06 |
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| CN117293476A (en) | 2023-12-26 |
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