CN115117527A - Compound EPP battery apron with fire-retardant dampproofing effect ventilates - Google Patents
Compound EPP battery apron with fire-retardant dampproofing effect ventilates Download PDFInfo
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- CN115117527A CN115117527A CN202210630505.0A CN202210630505A CN115117527A CN 115117527 A CN115117527 A CN 115117527A CN 202210630505 A CN202210630505 A CN 202210630505A CN 115117527 A CN115117527 A CN 115117527A
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- battery
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- apron
- epp
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 239000003063 flame retardant Substances 0.000 title claims abstract description 8
- 150000001875 compounds Chemical class 0.000 title claims abstract description 7
- 238000009423 ventilation Methods 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 230000002265 prevention Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002427 irreversible effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002026 carminative effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/143—Fireproof; Explosion-proof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
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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)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of batteries, and discloses a composite EPP battery cover plate with ventilation, flame retardance and damp-proof effects, which comprises a cover plate, wherein a first electrode conducting strip is embedded in the middle of the cover plate, a second electrode conducting strip is connected to the bottom of the middle of the cover plate, diodes are arranged on the inner sides of the first electrode conducting strip and the second electrode conducting strip, a ventilation structure is arranged in the middle of one end of the cover plate, a charging structure is arranged in the middle of the other end of the cover plate, and a power-off structure is arranged at the bottom of the cover plate. This compound EPP battery apron with fire-retardant dampproofing effect ventilates, through the setting of outage structure and charge structure, the battery can supply power for the device in the outage structure at the in-process that charges, and when the battery leads to the interior pressure increase of battery because of overcharging, electric telescopic handle's extension makes the electric current flow direction in the diode change in the outage structure, and the battery is automatic to cut off the power supply promptly, can effectively prevent that the battery from overcharging.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a composite EPP battery cover plate with ventilation, flame retardance and damp-proof effects.
Background
With the increasing shortage of world resources, the electric power is used as clean energy, and the application range is increasingly wide. Batteries are a device that can store electricity, and the safety of batteries is also important.
The battery cover plate is a layer of top cover of the battery, and the important purpose is to prevent the internal pressure of the battery from being overlarge, and the cover plate is provided with an explosion-proof device in a special way. When the internal pressure of the battery is too high, the explosion-proof device can automatically open the pressure reducing device to prevent explosion, but the damage of the explosion-proof piece to the battery is irreversible, once the explosion-proof piece breaks, the battery needs to be scrapped, so that the service life of the battery is influenced to a certain extent, and the treatment of the battery can generate great pressure, and the reason for increasing the internal pressure of the battery comprises the overcharge of the battery, when the battery is overcharged, the materials such as the electrolyte in the battery can be cracked to generate gas, and further the internal pressure of the battery is increased, so that the composite EPP battery cover plate with the ventilation, flame retardance and moisture prevention effects is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the composite EPP battery cover plate with the ventilation, flame retardance and damp-proof effects, which is provided with the ventilation structure, can discharge redundant gas in the battery, decompress the battery and prevent explosion, can be repeatedly used, can prevent overcharge of the battery and the like, and solves the problems in the background art.
The invention provides the following technical scheme: the utility model provides a compound EPP battery apron with fire-retardant dampproofing effect ventilates, includes the apron, the middle part of apron is inlayed and is had electrode conducting strip one, the bottom at apron middle part is connected with electrode conducting strip two, the inboard of electrode conducting strip one and electrode conducting strip two is equipped with the diode, the middle part of apron one end is equipped with ventilation structure, the middle part of the apron other end is equipped with charge structure, the bottom of apron is equipped with the outage structure.
Preferably, the middle part of one end of the cover plate is provided with a through hole, the ventilation structure is arranged in the through hole and comprises a bottom ring, a filter screen and a limiting plate, the bottom ring is connected with the bottom end of an inner cavity of the through hole, the two sides of the top of the bottom ring are both connected with a first spring, the other end of the first spring is connected with a sealing plate, the sealing plate is movably connected with the inner cavity of the through hole, the filter screen is connected with the top of the through hole, the top of the filter screen is connected with the bottom of the limiting plate, and redundant gas in the battery can be discharged through the arrangement of the ventilation structure, so that the battery can be conveniently used.
Preferably, the middle part of the other end of the cover plate is provided with a mounting hole, the charging structure is arranged in an inner cavity of the mounting hole, the charging structure comprises a fixed contact pin and a movable block, the fixed contact pin is connected with the inner cavity of the mounting hole, the fixed contact pin is connected with the electrode conducting strip I through a lead, a slot is formed in the fixed contact pin, the slotted inner cavity is movably connected with the movable block, a moving groove is formed in the inner side of the inner cavity of the mounting hole, a limiting rod is arranged in the middle of the moving groove, a moving block matched with the moving groove is arranged in the middle of the movable block, a through hole matched with the limiting rod is formed in the middle of the moving block, the moving block is connected with the moving groove through a second spring, and through the arrangement of all parts of the charging structure, the battery can supply power to the power-off structure in the charging process, and the work of electrical components in the power-off structure is facilitated.
Preferably, the bottom of the other end of the cover plate is connected with a third conducting strip, the moving block and the movable block are made of metal copper, the third conducting strip is connected with the power-off structure through a lead, and the movable block is in contact with the third conducting strip when the battery is charged through the third conducting strip, the moving block and the movable block, so that the battery supplies power to the power-off structure in a charging state.
Preferably, the outage structure includes fixed plate, fly leaf, electric telescopic handle and pressure sensor, fixed plate and pressure sensor all are connected with the bottom of apron, one side of fixed plate is connected with electric telescopic handle, electric telescopic handle's the other end is connected with the fly leaf, the fly leaf contacts with the fixed plate, the middle part at fixed plate both ends is all inlayed and is had and lead electrical pillar one, the middle part of fixed plate is inlayed and is led electrical pillar two, the middle part of fixed plate one end is inlayed and is had to lead electrical pillar three, the middle part of the fixed plate other end is inlayed and is had to lead electrical pillar four, through electric telescopic handle's setting, electric telescopic handle's flexible can change the position of the fly leaf of being connected with it, lead electrical pillar three on the fly leaf and lead electrical pillar four can with the difference and lead electrical pillar two contacts, can prevent that the battery from overcharging.
Preferably, the electric telescopic rod and the pressure sensor are connected with a third conducting strip through a conducting wire, the first two conducting columns are connected with a first electrode conducting strip through a conducting wire, one end of the second conducting column is connected with a second electrode conducting strip through a conducting wire, the three conducting columns are connected with one end of the diode through a conducting wire, the four conducting columns are connected with the other end of the diode through a conducting wire, and the flow direction of current in the diode can be changed by changing the positions of the third conducting column and the four conducting columns through the connection of the conducting columns, so that the overcharge of the battery can be prevented.
Preferably, the fixed plate and the movable plate are both insulating, and the distance between the first conductive column and the second conductive column is the same as the distance between the third conductive column and the fourth conductive column, so that the third conductive column and the fourth conductive column can move conveniently.
Preferably, the cover plate comprises a shell, the inner wall of the shell is connected with a middle layer, and the inner cavity of the middle layer is connected with an inner core.
The beneficial effects of the invention are:
1. this compound EPP battery apron with fire-retardant dampproofing effect ventilates, through the setting of outage structure and charge structure, the battery is at the in-process that charges, can supply power for the device in the outage structure, and when the battery leads to the interior pressure increase of battery because of overcharging, the electric telescopic handle extension in the outage structure, electric telescopic handle's extension makes the electric current flow direction in the diode change, the unable electrode conducting strip two that flows to of electric current in the electrode conducting strip one, the battery auto-power-off promptly, can effectively prevent the battery overcharge.
2. This compound EPP battery apron with fire-retardant dampproofing effect ventilates, through ventilation structure's setting, unnecessary gas in can discharging the battery prevents that the battery from exploding because of atmospheric pressure is too big, through the setting of limiting plate, can restrict the removal height of closing plate, can prevent that the spring from taking place irreversible deformation, the use of the ventilation structure of being convenient for.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a bottom schematic view of the present invention shown in FIG. 1;
FIG. 3 is an exploded view of the present invention shown in FIG. 1;
FIG. 4 is an enlarged view of the fixed pin and the movable block of the present invention;
FIG. 5 is a schematic cross-sectional view of a structural mounting hole of the present invention;
FIG. 6 is an enlarged view of a structural fixing plate according to the present invention;
FIG. 7 is a cross-sectional view of a cover plate according to the present invention.
In the figure: 1. a cover plate; 2. a first electrode conducting sheet; 3. a limiting plate; 4. mounting holes; 5. a bottom ring; 6. a second electrode conducting sheet; 7. a fixing plate; 8. a first conductive post; 9. an electric telescopic rod; 10. a movable plate; 11. conducting columns III; 12. conducting posts IV; 13. a pressure sensor; 15. a diode; 17. fixing the contact pin; 18. a second spring; 19. a movable block; 20. a sealing plate; 21. a filter screen; 22. a second conductive column; 23. conducting plate III; 24. a limiting rod; 25. an inner core; 26. an intermediate layer; 27. a housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, a composite EPP battery cover plate with ventilation, flame retardation and moisture protection effects comprises a cover plate 1, wherein a through hole is formed in the middle of one end of the cover plate 1, a ventilation structure is arranged in the through hole, through the arrangement of the ventilation structure, redundant gas in a battery can be discharged, and the battery can be prevented from exploding, the ventilation structure comprises a bottom ring 5, a filter screen 21 and a limiting plate 3, the bottom ring 5 is connected with the bottom end of the inner cavity of the through hole, two sides of the top of the bottom ring 5 are both connected with a first spring, the other end of the first spring is connected with a sealing plate 20, through the arrangement of the first spring, when the pressure in the battery is too high, the gas in the battery can outwards extrude the sealing plate 20, when the sealing plate 20 moves to the outer side of the through hole, the redundant gas in the battery is discharged from the through hole, and when the pressure in the battery is normal, the sealing plate 20 can return to the initial position under the action of the first spring, seal the through hole, the inner chamber swing joint of closing plate 20 and through hole, filter screen 21 is connected with the top of through hole, the top of filter screen 21 is connected with the bottom of limiting plate 3, through the setting of filter screen 21, can intercept external impurity such as dust, prevent that the battery is at carminative in-process, impurity such as dust enters into the battery, influence the use of battery, through the setting of limiting plate 3, limiting plate 3 can restrict the displacement of closing plate 20, prevent that spring one from taking place irreversible extension.
Referring to fig. 3 to 5, a mounting hole 4 is formed in the middle of the other end of the cover plate 1, a charging structure is arranged in an inner cavity of the mounting hole 4, the battery can supply power to an electric appliance on the cover plate in the charging process through the arrangement of the charging structure, the charging structure comprises a fixed contact pin 17 and a movable block 19, the fixed contact pin 17 is connected with the inner cavity of the mounting hole 4, the fixed contact pin 17 is connected with the first electrode conducting strip 2 through a lead, a slot is formed in the fixed contact pin 17, the inner cavity of the slot is movably connected with the movable block 19, a movable groove is formed in the inner side of the inner cavity of the mounting hole 4, a limit rod 24 is arranged in the middle of the movable groove, a movable block matched with the movable groove is arranged in the middle of the movable block 19, a through hole matched with the limit rod 24 is formed in the middle of the movable block, the movable block is connected with the movable groove through a second spring 18, when a charging head matched with the battery is inserted into the mounting hole 4 through the arrangement of the second spring 18, the head that charges can extrude movable block 19, and movable block 19 drives the movable block of being connected with it and removes, and movable block 19 can not influence the head that charges and insert, and when the head that charges was extracted, movable block 19 got back to initial position department under the effect of the resilience force of two springs 18.
The bottom of the other end of the cover plate 1 is connected with a third conducting plate 23, the moving block and the movable block 19 are made of metal copper, the third conducting plate 23 is connected with a power-off structure through a lead, the moving block is in contact with the third conducting plate 23 when the charging head is inserted through the third conducting plate 23, and current in the charging head can flow into the third conducting plate 23.
Referring to fig. 1, 2 and 6, an electrode conducting strip i 2 is embedded in the middle of a cover plate 1, an electrode conducting strip ii 6 is connected to the bottom of the middle of the cover plate 1, diodes 15 are arranged on the inner sides of the electrode conducting strip i 2 and the electrode conducting strip ii 6, the diodes 15 are unidirectional diodes, insulating strips are wrapped on the outer surfaces of the diodes 15, and micro rubber made of the insulating strips is arranged on the diodes 15 to control the on-off of current flowing from the electrode conducting strip i 2 to the electrode conducting strip ii 6.
The bottom of the cover plate 1 is provided with a power-off structure, the power-off structure comprises a fixed plate 7, a movable plate 10, an electric telescopic rod 9 and a pressure sensor 13, the fixed plate 7 and the pressure sensor 13 are both connected with the bottom of the cover plate 1, the pressure intensity in the battery charging process can be monitored in real time through the arrangement of the pressure sensor 13, whether the battery is overcharged or not is judged according to the pressure intensity in the battery, the power-off structure is convenient for controlling the automatic power-off of the battery, one side of the fixed plate 7 is connected with the electric telescopic rod 9, the other end of the electric telescopic rod 9 is connected with the movable plate 10, the position of the movable plate 10 connected with the electric telescopic rod 9 can be changed through the expansion and contraction of the electric telescopic rod 9, the movable plate 10 is contacted with the fixed plate 7, the middle parts of the two ends of the fixed plate 7 are respectively inlaid with a first conductive post 8, the middle part of the fixed plate 7 is inlaid with a second conductive post 22, and the middle part of one end of the fixed plate 7 is inlaid with a third conductive post 11, the middle part of the other end of the fixing plate 7 is embedded with a conductive column four 12, during charging, a conductive column three 11 is in contact with a conductive column one 8, a conductive column four 12 is in contact with a conductive column two 22, current in the electrode conductive sheet one 2 can flow into the electrode conductive sheet two 6, during power failure, the conductive column three 11 is in contact with the conductive column two 22, the conductive column four 12 is in contact with the conductive column one 8, current in the diode 15 reversely flows, and current in the electrode conductive sheet one 2 cannot flow into the electrode conductive sheet two 6, so that power failure is realized.
The electric telescopic rod 9 and the pressure sensor 13 are the prior art, and no description is given here, the electric telescopic rod 9 and the pressure sensor 13 are connected with the third conducting strip 23 through a conducting wire, when a G battery is charged, the charging head can supply power to the electric telescopic rod 9 and the pressure sensor 13, the first two conducting posts 8 are connected with the first electrode conducting strip 2 through a conducting wire, one end of the second conducting post 22 is connected with the second electrode conducting strip 6 through a conducting wire, the third conducting post 11 is connected with one end of the diode 15 through a conducting wire, and the fourth conducting post 12 is connected with the other end of the diode 15 through a conducting wire.
The fixed plate 7 and the movable plate 10 are made of insulating materials, and the distance between the first conductive column 8 and the second conductive column 22 is the same as the distance between the third conductive column 11 and the second conductive column 22.
The working principle is as follows: during the use, when pressure was too big in the battery, gaseous outside extrusion closing plate 20 in the battery, closing plate 20 moves to the outside of apron 1 under the effect of pressure, unnecessary gas outgoing in the battery, the battery is at the in-process of charging, the head that charges supplies power for the outage structure, if pressure sensor 13 detects the increase of pressure in the battery charging process, electric telescopic handle 9 extension, electric telescopic handle 9 drives fly leaf 10 and removes, it contacts with leading electrical pillar two 22 to lead electrical pillar three 11 on fly leaf 10 this moment, it contacts with leading electrical pillar one 8 to lead electrical pillar four 12, the electric current flow in the diode 15 is opposite, the electric current in electrode conducting pillar one 2 can't flow in the electrode conducting pillar two 6, realize the outage.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a compound EPP battery apron with fire-retardant dampproofing effect ventilates, includes apron (1), its characterized in that: the utility model discloses a battery cover plate, including apron (1), the middle part of apron (1) is inlayed and is had electrode conducting strip one (2), the bottom at apron (1) middle part is connected with electrode conducting strip two (6), the inboard of electrode conducting strip one (2) and electrode conducting strip two (6) is equipped with diode (15), the middle part of apron (1) one end is equipped with ventilation structure, the middle part of apron (1) other end is equipped with the structure of charging, the bottom of apron (1) is equipped with the outage structure.
2. The composite EPP battery cover plate with the effects of ventilation, flame retardance and moisture prevention as claimed in claim 1, wherein: the middle part of apron (1) one end is equipped with the through hole, ventilation structure locates in the through hole, and ventilation structure includes end ring (5), filter screen (21) and limiting plate (3), end ring (5) are connected with the bottom of through hole inner chamber, the both sides at end ring (5) top all are connected with spring one, and the other end of spring one is connected with closing plate (20), closing plate (20) and the inner chamber swing joint of through hole, filter screen (21) are connected with the top of through hole, the top of filter screen (21) is connected with the bottom of limiting plate (3).
3. The composite EPP battery cover plate with the effects of ventilation, flame retardance and moisture prevention as claimed in claim 1, wherein: the middle part of the other end of the cover plate (1) is provided with a mounting hole (4), the charging structure is arranged in an inner cavity of the mounting hole (4), the charging structure comprises a fixed contact pin (17) and a movable block (19), the fixed contact pin (17) is connected with the inner cavity of the mounting hole (4), the fixed contact pin (17) is connected with the first electrode conducting plate (2) through a lead, a groove is formed in the fixed contact pin (17), the inner cavity of the groove is movably connected with the movable block (19), a movable groove is arranged on the inner side of the inner cavity of the mounting hole (4), a limiting rod (24) is arranged in the middle of the movable groove, a movable block matched with the movable groove is arranged in the middle of the movable block (19), a through hole matched with the limiting rod (24) is formed in the middle of the movable block, and the movable block is connected with the movable groove through a second spring (18).
4. The composite EPP battery cover plate with the effects of ventilation, flame retardance and moisture prevention as claimed in claim 1, wherein: the bottom of the other end of the cover plate (1) is connected with a third conducting plate (23), the moving block and the moving block (19) are made of metal copper, and the third conducting plate (23) is connected with the power-off structure through a lead.
5. The composite EPP battery cover plate with ventilation, flame retardance and damp-proof effects as claimed in claim 4, wherein: the outage structure includes fixed plate (7), fly leaf (10), electric telescopic handle (9) and pressure sensor (13), fixed plate (7) and pressure sensor (13) all are connected with the bottom of apron (1), one side of fixed plate (7) is connected with electric telescopic handle (9), the other end and fly leaf (10) of electric telescopic handle (9) are connected, fly leaf (10) and fixed plate (7) contact, the middle part at fixed plate (7) both ends is all inlayed and is had leading electrical pillar one (8), the middle part of fixed plate (7) is inlayed and is had leading electrical pillar two (22), the middle part of fixed plate (7) one end is inlayed and is had leading electrical pillar three (11), the middle part of fixed plate (7) the other end is inlayed and is had leading electrical pillar four (12).
6. The composite EPP battery cover plate with ventilation, flame retardance and damp-proof effects as claimed in claim 5, wherein: the electric telescopic rod (9) and the pressure sensor (13) are connected with the conducting strip III (23) through wires, the two conducting posts I (8) are connected with the electrode conducting strip I (2) through wires, one ends of the conducting posts II (22) are connected with the electrode conducting strip II (6) through wires, the conducting posts III (11) are connected with one end of the diode (15) through wires, and the conducting posts IV (12) are connected with the other end of the diode (15) through wires.
7. The composite EPP battery cover plate with ventilation, flame retardance and damp-proof effects as claimed in claim 6, wherein: the fixed plate (7) and the movable plate (10) are both made of insulating materials, and the distance between the first conductive column (8) and the second conductive column (22) is the same as the distance between the third conductive column (11) and the fourth conductive column (12).
8. The composite EPP battery cover plate with the effects of ventilation, flame retardance and moisture prevention as claimed in claim 1, wherein: the cover plate (1) comprises an outer shell (27), an intermediate layer (26) is connected to the inner wall of the outer shell (27), and an inner core (25) is connected to the inner cavity of the intermediate layer (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630505.0A CN115117527B (en) | 2022-06-06 | 2022-06-06 | Composite EPP battery cover plate with ventilation, flame retardance and moisture resistance effects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210630505.0A CN115117527B (en) | 2022-06-06 | 2022-06-06 | Composite EPP battery cover plate with ventilation, flame retardance and moisture resistance effects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115117527A true CN115117527A (en) | 2022-09-27 |
| CN115117527B CN115117527B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210630505.0A Active CN115117527B (en) | 2022-06-06 | 2022-06-06 | Composite EPP battery cover plate with ventilation, flame retardance and moisture resistance effects |
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| CN (1) | CN115117527B (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09320562A (en) * | 1996-03-28 | 1997-12-12 | Shin Kobe Electric Mach Co Ltd | Sealed cylindrical nonaqueous secondary battery |
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| CN213660586U (en) * | 2020-09-30 | 2021-07-09 | 蜂巢能源科技有限公司 | Overcharge prevention device, battery cover plate assembly and battery |
| CN215342855U (en) * | 2021-04-02 | 2021-12-28 | 深圳市宏福兆业科技有限公司 | Battery apron convenient to battery explosion-proof exhaust |
| CN215644686U (en) * | 2021-08-12 | 2022-01-25 | 黑龙江国信通科技讯息产业有限公司 | Lithium ion battery with novel cover plate |
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| US20070026302A1 (en) * | 2005-07-26 | 2007-02-01 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| US20090085518A1 (en) * | 2007-09-27 | 2009-04-02 | Ki-Sung Hong | Protective circuit board and battery pack using the same |
| US20130101870A1 (en) * | 2011-10-25 | 2013-04-25 | Sang-Won Byun | Rechargeable battery |
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| CN108598298A (en) * | 2017-09-04 | 2018-09-28 | 苏州绿标新能源科技有限公司 | A kind of cap structure of power lithium-ion battery |
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| CN213660586U (en) * | 2020-09-30 | 2021-07-09 | 蜂巢能源科技有限公司 | Overcharge prevention device, battery cover plate assembly and battery |
| CN213584093U (en) * | 2020-11-19 | 2021-06-29 | 杭州汉松智能科技有限公司 | Overcharge explosion-proof lithium cell |
| CN215342855U (en) * | 2021-04-02 | 2021-12-28 | 深圳市宏福兆业科技有限公司 | Battery apron convenient to battery explosion-proof exhaust |
| CN215644686U (en) * | 2021-08-12 | 2022-01-25 | 黑龙江国信通科技讯息产业有限公司 | Lithium ion battery with novel cover plate |
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