CN113381113A - End plate is drawn forth to positive negative pole of fire prevention battery module - Google Patents
End plate is drawn forth to positive negative pole of fire prevention battery module Download PDFInfo
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- CN113381113A CN113381113A CN202110563423.4A CN202110563423A CN113381113A CN 113381113 A CN113381113 A CN 113381113A CN 202110563423 A CN202110563423 A CN 202110563423A CN 113381113 A CN113381113 A CN 113381113A
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- end plate
- leading
- fixing seat
- shaped
- fireproof
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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
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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
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
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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)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a positive and negative leading-out end plate of a fireproof battery module, which comprises a leading-out end plate, two fireproof ceramic sheets connected to the leading-out end plate, a positive terminal fixing seat, a negative terminal fixing seat and an insulating cover. According to the invention, two fireproof ceramic plates are directly assembled and fixed on the leading-out end plate, the internal space of the battery module and the external positive and negative terminal fixing structure are blocked by the fireproof ceramic plates, and the fireproof ceramic plates are assembled and fixed on the leading-out end plate but not on the insulating cover, so that when the insulating cover is burnt through by the high temperature of thermal runaway of the battery module, the fireproof ceramic plates are still fixed on the leading-out end plate to play a fireproof role.
Description
Technical Field
The invention relates to the technical field of lithium battery modules, in particular to a positive and negative electrode leading-out end plate of a fireproof battery module.
Background
Through carrying out the thermal expansion experiment on the battery module, the following results are found: when the thermal runaway phenomenon occurs to the battery module, the sprayed flame can burn the insulating cover with the end part of the resistance module playing the role of insulating protection into ashes quickly, the ceramic piece which is assembled with the insulating cover to play the role of fire prevention can not continue to protect the battery module because of losing the support, the copper bars and the terminal fixing seat and other structures at the negative pole are arranged, the flame is sprayed outwards from the cavity at the negative pole leading-out position, thereby leading to the positive pole, the high temperature at the negative pole leading-out copper bars is rapidly led out through the connection, the module series copper bars at the negative pole leading-out copper bars are transmitted to the module copper bars adjacent to the thermal runaway battery module, the copper bars which are heated to be very high temperature through the adjacent battery module lead-in heat to the battery core lug and even to the battery core body, and the risk of spreading other battery modules by the thermal runaway expansion of the single battery module exists.
Disclosure of Invention
The invention aims to solve the technical problem of providing a positive and negative electrode leading-out end plate of a fireproof battery module, which realizes the function of blocking heat expansion and preventing heat spreading and greatly improves the safety and reliability of a power battery system.
The technical scheme of the invention is as follows:
a positive and negative leading-out end plate of a fireproof battery module comprises a leading-out end plate, two fireproof ceramic plates connected to the leading-out end plate, a positive terminal fixing seat, a negative terminal fixing seat and an insulating cover;
the leading-out end plate is provided with two leading-out ports, a fixing seat mounting platform protruding forwards is arranged on the leading-out end plate and positioned right in front of each leading-out port, each fixing seat mounting platform is of a U-shaped structure, a U-shaped groove of each fixing seat mounting platform horizontally faces to the lower part of the corresponding leading-out port and is communicated with the leading-out port, the bottom end of each fixing seat mounting platform is fixedly connected with the leading-out end plate to form a closed structure, an upper step is arranged on the upper end surface of each fixing seat mounting platform and in positions adjacent to the two ends of the U-shaped structure, and a plurality of positioning blind holes extending downwards are arranged on the upper end surface of each fixing seat mounting platform;
the two fireproof ceramic plates are of T-shaped sheet structures, two L-shaped baffles are arranged on the outer surface of the horizontal part of each fireproof ceramic plate, the end parts of the horizontal parts of the two L-shaped baffles face to each other, a space is reserved between the two L-shaped baffles, the outer surfaces of the two fireproof ceramic plates are tightly attached to the inner surface of the leading-out end plate and fixedly connected with the leading-out end plate, the upper part of the corresponding leading-out opening on the leading-out end plate is partially sealed and covered by the horizontal part of each fireproof ceramic plate, the vertical part of each fireproof ceramic chip completely seals the lower part of a corresponding lead-out port on the lead-out end plate, a space is reserved between the top end of each fireproof ceramic chip and the top end of the corresponding lead-out port, so that a gap for a positive terminal and a negative terminal of the battery cell assembly to pass through is reserved at the top of the lead-out port after the lead-out port passes through the fireproof ceramic chip sealing cover, and two L-shaped baffles on each fireproof ceramic chip pass through the corresponding lead-out port on the lead-out end plate and are supported on two upper steps of the fixed seat mounting platform;
the positive terminal fixing seat and the negative terminal fixing seat respectively comprise a fixing seat body, a bolt connecting rod and a plurality of positioning columns which are connected to the bottom end of the fixing seat body, and a U-shaped baffle plate which is connected to the top end of the fixing seat body, wherein a nut positioning groove is formed in the fixing seat body, a nut is connected in the nut positioning groove in a clamping manner, bolt connecting blind holes communicated with the nut positioning groove are formed in the fixing seat body and the bolt connecting rod, the positive terminal fixing seat and the negative terminal fixing seat are respectively connected to two fixing seat mounting platforms of the leading-out end plate, the fixing seat body is supported on the fixing seat mounting platforms, the bolt connecting rod is inserted into the U-shaped groove of the fixing seat mounting platforms, the plurality of positioning columns are respectively inserted into the corresponding positioning blind holes, and the U-shaped groove of the U-shaped baffle plate horizontally faces to the leading-out opening corresponding to the leading-out end plate;
the insulating boot connect in the tip of battery module electricity core assembly, the top of insulating boot is provided with two U-shaped breachs that open side up, when drawing the end plate and connecting on electric core assembly, the insulating boot presss from both sides the tip of locating electric core assembly and draws forth between the end plate, the vertical part of two fire prevention potsherds stretches into respectively in two breachs of insulating boot, the positive negative pole terminal of electric core assembly passes respectively and draws forth the space that the end plate corresponds draws forth mouthful top and erect and connect on the fixing base body of corresponding positive pole terminal fixing base or negative pole terminal fixing base.
Draw forth on the internal surface of end plate and be located every periphery of drawing forth a mouthful lower part and all be fixed with the U-shaped mounting panel, all be connected with the locating pin on two vertical parts of U-shaped mounting panel, draw forth on the internal surface of end plate and be located every periphery of drawing forth a mouthful upper portion and all be fixed with interior mounting panel, interior mounting panel is fixed with the surface bonding of fire prevention potsherd horizontal part, the vertical part of fire prevention potsherd on be provided with two locating holes, the U-shaped mounting panel passes two locating holes of fire prevention potsherd with two locating pins on the surface bonding of the vertical part of fire prevention potsherd and the U-shaped mounting panel and realizes the location installation of fire prevention potsherd.
A circle of semicircular bulges are arranged on the U-shaped inner wall of the U-shaped baffle on the fixing seat body.
The nut positioning groove on the fixing seat body is of a square groove structure, and a square nut is connected in the nut positioning groove in a clamping mode.
The bolt connecting rod be oval cylinder structure, the U type groove of fixing base mounting platform be with bolt connecting rod complex oval constant head tank.
Every fixing base mounting platform's up end on all be provided with two location blind holes, two location blind holes are located the both sides in fixing base mounting platform U type groove respectively, fixing base body bottom be provided with two reference columns, two reference columns insert respectively in the location blind hole that corresponds.
The both ends of insulating boot all be provided with the buckle that extends to electric core assembly, the insulating boot passes through the buckle joint in the tip of electric core assembly.
The fireproof ceramic sheet is a ceramic sheet resistant to high temperature of more than 600 ℃.
The invention has the advantages that:
according to the invention, two fireproof ceramic plates are directly assembled and fixed on the leading-out end plate, the internal space of the battery module and the external positive and negative terminal fixing structure are blocked by the fireproof ceramic plates, and the fireproof ceramic plates are assembled and fixed on the leading-out end plate but not on the insulating cover, so that when the insulating cover is burnt through by the high temperature of thermal runaway of the battery module, the fireproof ceramic plates are still fixed on the leading-out end plate to play a fireproof role.
Drawings
Fig. 1 is a schematic diagram of an exploded structure of the cell assembly of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a perspective view of the inner surface of the outlet end plate of the present invention.
Fig. 4 is a perspective view of the outer surface of the exit end plate of the present invention.
Fig. 5 is a schematic structural diagram of the fireproof ceramic sheet of the present invention.
Fig. 6 is a schematic structural diagram of the positive terminal fixing base according to the present invention.
FIG. 7 is a schematic view of the structure of the insulating cover of the present invention.
Fig. 8 is a schematic structural view of a fire-proof battery module assembled according to the present invention.
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 and 2, the anode and cathode leading-out end plate of the fireproof battery module comprises a leading-out end plate 1, two fireproof ceramic plates 2 (resistant to high temperature of over 600 ℃), an anode terminal fixing seat 3, a cathode terminal fixing seat 4 and an insulating cover 5, wherein the two fireproof ceramic plates 2 are connected to the leading-out end plate 1;
referring to fig. 3 and 4, two leading-out ports 11 are arranged on a leading-out end plate 1, a U-shaped mounting plate 12 is fixed on the inner surface of the leading-out end plate 1 and positioned at the periphery of the lower part of each leading-out port 11, positioning pins 13 are connected on two vertical parts of the U-shaped mounting plate 12, an inner mounting plate 14 is fixed on the inner surface of the leading-out end plate 1 and positioned at the periphery of the upper part of each leading-out port 11, a fixing seat mounting platform 15 protruding forwards is arranged on the leading-out end plate 1 and positioned right in front of each leading-out port 11, each fixing seat mounting platform 15 is of a U-shaped structure, a U-shaped groove of each fixing seat mounting platform 15 horizontally faces to the lower part of the corresponding leading-out port 11 and is communicated with the leading-out port 11, the bottom end of each fixing seat mounting platform 15 is fixedly connected with the leading-out end plate 1 to form a closed structure, an upper step 16 is arranged on the upper end surface of each fixing seat mounting platform 15 and positioned adjacent to two ends of the U-shaped structure, two positioning blind holes 17 extending downwards are formed in the upper end face of each fixing seat mounting platform 15;
referring to fig. 3-5, the two fireproof ceramic sheets 2 are of a T-shaped sheet structure, two L-shaped baffles 21 are arranged on the outer surface of the horizontal portion of each fireproof ceramic sheet, the end portions of the horizontal portions of the two L-shaped baffles 21 face opposite to each other, and a space is reserved between the two L-shaped baffles 21, when the two fireproof ceramic sheets 2 are connected to the leading-out end plate 1, the inner mounting plate 14 on the leading-out end plate 1 is fixedly bonded to the outer surface of the horizontal portion of the fireproof ceramic sheet 2, i.e., the horizontal portion of the fireproof ceramic sheet 2 partially covers the upper portion of the leading-out end plate 1 corresponding to one of the leading-out ports 11, the vertical portion of the fireproof ceramic sheet 2 is provided with two positioning holes 22, the U-shaped mounting plate 12 is fixedly bonded to the outer surface of the vertical portion of the fireproof ceramic sheet 2, and the two positioning pins 13 on the U-shaped mounting plate pass through the two positioning holes 22 of the fireproof ceramic sheet 2 to achieve positioning of the fireproof ceramic sheet 2, the vertical part of each fireproof ceramic sheet 2 completely seals the lower part of a corresponding lead-out opening 11 on the lead-out end plate 1, a space is reserved between the top end of each fireproof ceramic sheet 2 and the top end of the corresponding lead-out opening 11, so that a gap for a positive terminal and a negative terminal of the battery cell assembly 6 to pass through is reserved at the top of the lead-out opening 11 after the lead-out opening 11 is sealed by the fireproof ceramic sheets 2, and two L-shaped baffles 21 on each fireproof ceramic sheet 2 pass through the corresponding lead-out opening 11 on the lead-out end plate 1 and are supported on two upper steps 16 of the fixed seat mounting platform 15; because the two fireproof ceramic plates 2 cover the leading-out opening 11 led out from the positive and negative terminals, even under extreme conditions, when thermal runaway occurs in the battery module, plastic parts including the insulating cover 5 and the like are all burnt through by high temperature of one hundred degrees in the module, and the fireproof ceramic plates 2 are still fixed on the leading-out end plate 1 to block the leading-out opening 11, so that the effects of fire prevention and thermal expansion spreading blocking are not influenced;
referring to fig. 4 and 6, each of the positive terminal fixing seat 3 and the negative terminal fixing seat 4 includes a fixing seat body 31, a bolt connecting rod 32 and two positioning posts 33 connected to the bottom end of the fixing seat body 31, and a U-shaped baffle 34 connected to the top end of the fixing seat body 31, a circle of semicircular protrusions 35 is disposed on the U-shaped inner wall of the U-shaped baffle 34, the U-shaped baffle 34 and the circle of semicircular protrusions 35 function to fix and limit the positive and negative terminals of the battery cell assembly 6, a nut positioning groove 36 is disposed on the fixing seat body 31, the nut positioning groove 36 is a square groove structure, a square nut is snap-connected in the nut positioning groove 36, bolt connecting blind holes 37 communicated with the nut positioning groove 36 are disposed on the fixing seat body 31 and the bolt connecting rod 32, the positive terminal fixing seat 3 and the negative terminal fixing seat 4 are respectively connected to two fixing seat mounting platforms 15 of the leading-out end plate 1, the fixing seat body 31 is supported on the fixing seat mounting platform 15, the bolt connecting rod 32 is of an oval cylindrical structure, the U-shaped groove of the fixing seat mounting platform 15 is an oval positioning groove matched with the bolt connecting rod 32, the bolt connecting rod 32 is inserted into the U-shaped groove of the fixing seat mounting platform 15, the two positioning columns 33 are respectively inserted into the corresponding positioning blind holes 17, and the U-shaped groove of the U-shaped baffle 34 horizontally faces the corresponding leading-out opening 11 of the leading-out end plate 1; when the fixing seat body 31 is bolted to fix the positive and negative terminals, torsion exceeding the strength of a plastic part is generated in an extreme case to prevent the positive terminal fixing seat 3 or the negative terminal fixing seat 4 made of plastic from rotating, namely, the bolt connecting rod 32 also rotates, when the fixing seat body rotates for a certain angle, the rotation of the positive terminal fixing seat 3 or the negative terminal fixing seat 4 is limited due to an oval matching structure, and the fireproof ceramic piece 2 erected on the positive terminal fixing seat 3 or the negative terminal fixing seat 4 is prevented from being brittle-broken due to the action of the rotating torsion, so that the reliability and the durability of the structure are ensured;
see fig. 1, fig. 2 and fig. 7, both ends of the insulating cover 5 are provided with buckles 51 extending to the electric core assembly, the insulating cover 5 is connected to the end of the electric core assembly 6 through the buckles 51, the top end of the insulating cover 5 is provided with two U-shaped notches 52 with upward openings, when the leading-out end plate 1 is connected to the electric core assembly 6, the insulating cover 5 is clamped between the end of the electric core assembly 6 and the leading-out end plate 1, and the vertical portions of the two fireproof ceramic sheets 2 respectively extend into the two notches 52 of the insulating cover 5.
Referring to fig. 1 and 8, during installation, firstly, positive and negative terminals of the cell assembly 6 respectively pass through gaps at the tops of the corresponding leading-out ports 11 of the leading-out end plates 1 and are erected and connected on the corresponding fixing seat bodies 31 of the positive terminal fixing seats 3 or the negative terminal fixing seats 4, then the positive and negative terminals of the cell assembly 6 are connected on the fixing seat bodies 31 through bolts, the bottoms of the bolts sequentially pass through mounting holes of the positive and negative terminals and square nuts in the nut positioning grooves 36 and are positioned in the positioning blind holes 17, and the bolts are in threaded connection with the square nuts, and then the leading-out end plates 1, an upper cover plate 7, a lower cover plate 8 and a rear end plate 9 of the battery module are welded together to form an external fixed protection structure of the battery module, so as to protect and fix the cell assembly 6 inside.
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 an end plate is drawn forth to positive negative pole of fire prevention battery module which characterized in that: the device comprises a leading-out end plate, two fireproof ceramic plates connected to the leading-out end plate, a positive terminal fixing seat, a negative terminal fixing seat and an insulating cover;
the leading-out end plate is provided with two leading-out ports, a fixing seat mounting platform protruding forwards is arranged on the leading-out end plate and positioned right in front of each leading-out port, each fixing seat mounting platform is of a U-shaped structure, a U-shaped groove of each fixing seat mounting platform horizontally faces to the lower part of the corresponding leading-out port and is communicated with the leading-out port, the bottom end of each fixing seat mounting platform is fixedly connected with the leading-out end plate to form a closed structure, an upper step is arranged on the upper end surface of each fixing seat mounting platform and in positions adjacent to the two ends of the U-shaped structure, and a plurality of positioning blind holes extending downwards are arranged on the upper end surface of each fixing seat mounting platform;
the two fireproof ceramic plates are of T-shaped sheet structures, two L-shaped baffles are arranged on the outer surface of the horizontal part of each fireproof ceramic plate, the end parts of the horizontal parts of the two L-shaped baffles face to each other, a space is reserved between the two L-shaped baffles, the outer surfaces of the two fireproof ceramic plates are tightly attached to the inner surface of the leading-out end plate and fixedly connected with the leading-out end plate, the upper part of the corresponding leading-out opening on the leading-out end plate is partially sealed and covered by the horizontal part of each fireproof ceramic plate, the vertical part of each fireproof ceramic chip completely seals the lower part of a corresponding lead-out port on the lead-out end plate, a space is reserved between the top end of each fireproof ceramic chip and the top end of the corresponding lead-out port, so that a gap for a positive terminal and a negative terminal of the battery cell assembly to pass through is reserved at the top of the lead-out port after the lead-out port passes through the fireproof ceramic chip sealing cover, and two L-shaped baffles on each fireproof ceramic chip pass through the corresponding lead-out port on the lead-out end plate and are supported on two upper steps of the fixed seat mounting platform;
the positive terminal fixing seat and the negative terminal fixing seat respectively comprise a fixing seat body, a bolt connecting rod and a plurality of positioning columns which are connected to the bottom end of the fixing seat body, and a U-shaped baffle plate which is connected to the top end of the fixing seat body, wherein a nut positioning groove is formed in the fixing seat body, a nut is connected in the nut positioning groove in a clamping manner, bolt connecting blind holes communicated with the nut positioning groove are formed in the fixing seat body and the bolt connecting rod, the positive terminal fixing seat and the negative terminal fixing seat are respectively connected to two fixing seat mounting platforms of the leading-out end plate, the fixing seat body is supported on the fixing seat mounting platforms, the bolt connecting rod is inserted into the U-shaped groove of the fixing seat mounting platforms, the plurality of positioning columns are respectively inserted into the corresponding positioning blind holes, and the U-shaped groove of the U-shaped baffle plate horizontally faces to the leading-out opening corresponding to the leading-out end plate;
the insulating boot connect in the tip of battery module electricity core assembly, the top of insulating boot is provided with two U-shaped breachs that open side up, when drawing the end plate and connecting on electric core assembly, the insulating boot presss from both sides the tip of locating electric core assembly and draws forth between the end plate, the vertical part of two fire prevention potsherds stretches into respectively in two breachs of insulating boot, the positive negative pole terminal of electric core assembly passes respectively and draws forth the space that the end plate corresponds draws forth mouthful top and erect and connect on the fixing base body of corresponding positive pole terminal fixing base or negative pole terminal fixing base.
2. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: draw forth on the internal surface of end plate and be located every periphery of drawing forth a mouthful lower part and all be fixed with the U-shaped mounting panel, all be connected with the locating pin on two vertical parts of U-shaped mounting panel, draw forth on the internal surface of end plate and be located every periphery of drawing forth a mouthful upper portion and all be fixed with interior mounting panel, interior mounting panel is fixed with the surface bonding of fire prevention potsherd horizontal part, the vertical part of fire prevention potsherd on be provided with two locating holes, the U-shaped mounting panel passes two locating holes of fire prevention potsherd with two locating pins on the surface bonding of the vertical part of fire prevention potsherd and the U-shaped mounting panel and realizes the location installation of fire prevention potsherd.
3. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: a circle of semicircular bulges are arranged on the U-shaped inner wall of the U-shaped baffle on the fixing seat body.
4. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: the nut positioning groove on the fixing seat body is of a square groove structure, and a square nut is connected in the nut positioning groove in a clamping mode.
5. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: the bolt connecting rod be oval cylinder structure, the U type groove of fixing base mounting platform be with bolt connecting rod complex oval constant head tank.
6. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: every fixing base mounting platform's up end on all be provided with two location blind holes, two location blind holes are located the both sides in fixing base mounting platform U type groove respectively, fixing base body bottom be provided with two reference columns, two reference columns insert respectively in the location blind hole that corresponds.
7. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: the both ends of insulating boot all be provided with the buckle that extends to electric core assembly, the insulating boot passes through the buckle joint in the tip of electric core assembly.
8. The anode and cathode leading-out end plate of the fireproof battery module as claimed in claim 1, wherein: the fireproof ceramic sheet is a ceramic sheet resistant to high temperature of more than 600 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110563423.4A CN113381113B (en) | 2021-05-24 | 2021-05-24 | End plate is drawn forth to positive negative pole of fire prevention battery module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110563423.4A CN113381113B (en) | 2021-05-24 | 2021-05-24 | End plate is drawn forth to positive negative pole of fire prevention battery module |
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| CN113381113A true CN113381113A (en) | 2021-09-10 |
| CN113381113B CN113381113B (en) | 2022-03-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230099541A (en) * | 2021-12-27 | 2023-07-04 | 주식회사 엘지에너지솔루션 | Battery module, battery pack the battery module, energy storage system and vehicle comprising the battery pack |
| CN116799419A (en) * | 2023-08-22 | 2023-09-22 | 深圳海辰储能控制技术有限公司 | Battery module, energy storage system and electric equipment |
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| JP2019204699A (en) * | 2018-05-24 | 2019-11-28 | 積水化学工業株式会社 | Storage battery module and storage battery unit |
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| KR20230099541A (en) * | 2021-12-27 | 2023-07-04 | 주식회사 엘지에너지솔루션 | Battery module, battery pack the battery module, energy storage system and vehicle comprising the battery pack |
| WO2023128390A1 (en) * | 2021-12-27 | 2023-07-06 | 주식회사 엘지에너지솔루션 | Battery module, battery pack comprising battery module, and energy storage device and vehicle comprising battery pack |
| KR102639748B1 (en) | 2021-12-27 | 2024-02-21 | 주식회사 엘지에너지솔루션 | Battery module, battery pack the battery module, energy storage system and vehicle comprising the battery pack |
| CN116799419A (en) * | 2023-08-22 | 2023-09-22 | 深圳海辰储能控制技术有限公司 | Battery module, energy storage system and electric equipment |
| CN116799419B (en) * | 2023-08-22 | 2024-03-26 | 深圳海辰储能控制技术有限公司 | Battery module, energy storage system and electric equipment |
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