WO2018084442A1 - 팩 커버의 스프링 백 저지를 위한 트레이 스토퍼를 구비한 배터리 팩 - Google Patents
팩 커버의 스프링 백 저지를 위한 트레이 스토퍼를 구비한 배터리 팩 Download PDFInfo
- Publication number
- WO2018084442A1 WO2018084442A1 PCT/KR2017/011186 KR2017011186W WO2018084442A1 WO 2018084442 A1 WO2018084442 A1 WO 2018084442A1 KR 2017011186 W KR2017011186 W KR 2017011186W WO 2018084442 A1 WO2018084442 A1 WO 2018084442A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tray
- pack
- cover
- edge
- battery
- Prior art date
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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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
- H01M50/258—Modular batteries; Casings provided with means for assembling
- H01M50/26—Assemblies sealed to each other in a non-detachable manner
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/271—Lids or covers for the racks or secondary casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Definitions
- the present invention relates to a battery pack, and more particularly, to a battery pack having a tray stopper that functions to guide the assembly between the tray constituting the battery pack casing and the pack cover.
- the electric vehicle includes a hybrid vehicle, a plug-in hybrid vehicle, and a pure electric vehicle driven only by an electric motor and a battery without an internal combustion engine.
- the pouch type secondary battery is widely used in the medium and large devices due to the advantage of easy lamination.
- Types of secondary batteries currently widely used include lithium ion batteries, lithium polymer batteries, nickel cadmium batteries, nickel hydrogen batteries, nickel zinc batteries, and the like.
- the operating voltage of such a unit secondary battery cell that is, a unit battery cell is about 2.5V to 4.2V. Therefore, when a higher output voltage is required, a battery pack may be configured by connecting a plurality of battery cells in series. In addition, the battery pack may be configured by connecting a plurality of battery cells in parallel according to the charge / discharge capacity required for the battery pack. Therefore, the number of battery cells included in the battery pack may be variously set according to the required output voltage or charge / discharge capacity.
- Conventional battery packs generally comprise at least one battery module, electrical components required for operation of the battery module, and a pack casing for protecting them from external shocks, wherein each of the components is in accordance with the customer's vehicle structure and conditions. It can be variously designed.
- the pack casing may include a tray having a relatively large area in the form of a plate, and a pack cover having an edge portion coupled with an edge of the tray to form a battery module storage space therein.
- the tray may have a rectangular shape having a longer length than the width direction, and the pack cover may have a rectangular dome shape covering the tray. Then, the edges of the tray and the edge of the pack cover can be joined to each other by bolting the overlapped edge portions.
- the pack cover may be manufactured by molding a metal sheet having a relatively thin thickness by a deep drawing method. In this case, a spring back phenomenon in which both sides of the pack cover are opened may occur. have. Due to the molding characteristics of the pack cover, the process of accurately matching the edges of the pack cover and the tray is not easy.
- the edge of the pack cover and tray there are a plurality of assembling holes in the edge of the pack cover and tray.
- the assembling holes of the pack cover and the tray In order to assemble the pack cover and the tray, the assembling holes of the pack cover and the tray must be matched with each other, and then bolts are inserted into each of the assembling holes.
- both side edge portions of the pack cover are pushed out of both side edges of the tray due to the spring back phenomenon of the pack cover.
- a tool is inserted into the assembling holes, and both side edges of the pack cover are pulled toward the inside of the tray to correct the position thereof.
- the present invention has been made in view of the above-described problems, and the battery pack can be assembled by assembling holes in the correct position to prevent the opening of the pack cover when assembling the tray and pack cover constituting the battery pack casing
- the purpose is to provide.
- At least one battery module electrical components electrically connected with the at least one battery module;
- a tray for supporting the at least one battery module and electrical equipment on an upper surface thereof;
- a pack cover having an edge facing the edge of the tray and coupled to the tray to cover the battery module and the electrical equipment.
- the tray is provided in a form bent upward from the edge of the tray.
- a battery pack including a tray stopper for supporting the edge of the pack cover from the outside to the inside may be provided.
- the tray includes a base plate having a longitudinal direction extending longer than a width direction and at least one outer wall plate standing up from the base plate to form a wall, wherein the tray stopper is a longitudinal direction of the tray. At least one may be provided on both edges of the base plate according to.
- the width of the base plate corresponds to the width of one battery module, and the battery modules may be arranged along a length direction of the base plate in a line.
- the outer wall plate includes a front outer wall plate and a rear outer wall plate provided at front and rear ends of the base plate, respectively, and the pack cover has a length and a width corresponding to the base plate, and is bent in both directions so that the center is convex. It may include a cover body provided in the form.
- the upper end of the cover body may have a step along the length direction of the tray.
- the tray stopper may be bent to wrap a portion of the edge of the pack cover from the outer direction to the inner direction.
- the tray stopper may further include a protrusion having an upper end surface protruding downward to press the upper surface of the end line of the pack cover.
- Assembly edges corresponding to each other may be formed at the edge of the tray and the edge of the pack cover.
- It may further include a sealing gasket disposed between the edge of the tray and the edge of the pack cover.
- the sealing gasket may have a through hole corresponding to the assembling holes.
- an automobile including the battery pack described above may be provided.
- the opening of the pack cover can be improved in the assembly process compared to the conventional assembly hole can be adjusted to the correct position.
- a slim type battery pack suitable for installation in a vehicle with space constraints.
- FIG. 1 is a partially exploded perspective view of a battery pack according to an embodiment of the present invention.
- FIG. 2 and 3 are perspective views showing before and after assembling the pack cover and the tray of FIG.
- FIG. 4 is a perspective view of a tray according to an embodiment of the present invention.
- FIG. 5 is an enlarged view of region V of FIG. 4.
- FIG. 6 is a top view of FIG. 3.
- FIG. 7 is a cross-sectional view taken along the line A-A of FIG. 6.
- FIG. 8 is of FIG. 7 Area enlarged view.
- FIG. 9 is a view showing another embodiment of the tray stopper shown in FIG. 8.
- FIG. 10 is a view illustrating still another embodiment of the tray stopper shown in FIG. 8.
- FIG. 1 is a partially exploded perspective view of a battery pack according to an embodiment of the present invention
- Figures 2 and 3 are perspective views showing before and after assembling the pack cover and the tray of FIG.
- the battery pack 10 according to an embodiment of the present invention, at least one battery module 100, the electrical equipment 200 required for the operation of the battery module 100, and for packaging them
- the tray 300 and the pack cover 400 may be included.
- the battery module 100 may be an assembly of a plurality of secondary batteries.
- the plurality of secondary batteries may be pouch type secondary batteries.
- the pouch type secondary battery may be configured to be stacked in one direction, for example, vertically or horizontally.
- the battery module 100 may further include a stacking frame for stacking the pouch type secondary battery.
- the stacking frame is a component used to stack secondary batteries.
- the stacking frame is configured to hold the secondary batteries to prevent flow thereof and to be laminated to each other, thereby guiding the assembly of the secondary batteries.
- the stacking frame may be replaced with various other terms such as a cartridge, and may be configured in the form of a rectangular ring with a hollow central portion. In this case, the four corners of the stacking frame may be located at the outer circumferential portion of the pouch type secondary battery, respectively.
- the battery modules 100 may be electrically connected to each other by a bus bar or the like, and may be arranged in a line along a longitudinal direction (X-axis direction) on an upper surface of the tray 300.
- the capacity and output of the battery pack 10 can be changed in design by the serial and / or parallel connection of the battery modules 100.
- Electronic components 200 such as a relay assembly, a BMS assembly, an MSD assembly, and the like may be disposed on the left, right, and top portions of the battery module 100 stack.
- the relay assembly may be a switching component that selectively opens and closes a charge / discharge path through which current flows. When an abnormal situation occurs in the battery pack 10, the flow of the charge / discharge current may be blocked.
- the BMS assembly refers to a battery management apparatus that generally controls charging and discharging operations of the battery modules 100, and may be referred to as a component typically included in the battery pack 10.
- the MSD (Manual Service Disconnector) assembly is a system for selectively disconnecting power of a high voltage battery by a physical method. For example, in the present embodiment, the MSD assembly is provided on the top of the pack cover 400. If the service plug is removed when necessary, the power may be cut off.
- the battery pack 10 includes the battery module 100 assembly and the electrical equipment 200 required for its operation, and other cooling devices such as heat sinks, cooling tubes, cooling water ducts, etc. for appropriately managing the temperature of the battery module 100. It may further include components.
- the battery module 100 assembly and other electrical appliances 200 may be fixedly coupled to each other or to the upper and outer wall plates 320 and 330 of the tray 300 by bolts or hooks, and may be covered by the pack cover 400. Can be packaged.
- Tray 300 and pack cover 400 is a component that provides mechanical support for the battery module 100 assembly and other electrical equipment 200, and protects them from external impact.
- the tray 300 and the pack cover 400 may be made of a metal material such as steel to ensure rigidity.
- the tray 300 may include a base plate 310 that provides a substantially flat and wide surface, and outer wall plates 320 and 330 disposed vertically with respect to the base plate 310.
- the base plate 310 may be provided with a tray stopper 350 that is bent in an upward direction.
- the pack cover 400 may include a cover body 410 having a depth capable of covering the battery module 100 assembly and other electronic devices 200, and an edge 420 of the pack cover forming an outer periphery of the cover body 410. It can be composed of).
- the battery module 100 assembly and other electrical appliances 200 may be disposed on the upper surface of the tray 300, and may be covered and shielded by the pack cover 400.
- the cover body 410 of the pack cover 400 has a length and width corresponding to the base plate 310, as shown in Figures 1 to 3, and bent the metal plate in both directions (Y-axis direction)
- the central portion may be a structure formed in a convex shape.
- the cover body 410 may have a different degree of convexity depending on the heights of the battery modules 100 and the electrical equipment 200 disposed on the upper surface of the tray 300. That is, the upper end of the cover body 410 may be formed to have a step in the longitudinal direction (X-axis direction) of the tray 300. In this case, the unnecessary dead space (dead space) is eliminated inside the battery pack 10, the battery pack 10 of the present invention can be implemented as slim as possible in the vertical direction.
- the edge 420 of the pack cover is a portion forming the outer periphery of the cover body 410.
- Both edges 420 of the pack cover along the longitudinal direction (X-axis direction) may be provided in a form bent with respect to the cover body 410 to face the edge 340 of the base plate 310, the width direction (
- the front and rear edges of the pack cover 400 along the Y-axis direction may be provided to have a shape substantially coincident with the circumference of the outer wall plates 320 and 330 so as to face the circumferences of the outer wall plates 320 and 330. Accordingly, the edge 340 of the tray and the edge 420 of the pack cover may face each other as a whole. In such a configuration, the tray 300 and the pack cover 400 may be coupled by facing the edge 340 of the tray and the edge 420 of the pack cover as a whole, and then fastening them integrally with the bolt B.
- a sealing gasket 500 may be further interposed between the edge 340 of the tray and the edge 420 of the pack cover.
- the sealing gasket 500 may serve to prevent penetration of moisture or foreign matter into the battery pack 10.
- the sealing gasket 500 may be provided with through holes H5 corresponding to the assembling holes H1, H2, H3, and H4. Accordingly, the bolt is fastened through the assembling holes H2 and H4 of the pack cover, the through holes H5 of the sealing gasket 500, and the assembling holes H1 and H3 of the tray 300, thereby sealing the gasket 500. ) May be firmly mounted between the edge 340 of the tray and the edge 420 of the pack cover. Accordingly, the watertightness between the tray 300 and the pack cover 400 may be increased.
- the bolt may be connected to a nut or the like under the assembling holes H1 and H3 of the tray 300 so as to increase the coupling stability.
- FIG. 4 is a perspective view of a tray according to an embodiment of the present invention.
- the base plate 310 may have a longitudinal direction extending longer than a width direction.
- the width of the base plate 310 may correspond to the width of one battery module 100.
- the longitudinal direction may be defined as the X-axis direction of FIG. 4
- the width direction may be defined as the Y-axis direction of FIG. 4.
- the width of the base plate 310 except for both edges 340 may substantially match the width of the battery module 100.
- the battery modules 100 and other electronic devices 200 may be arranged in a line on an upper surface of the base plate 310. Therefore, the battery pack 10 of the present invention may be implemented to be slimmer in the width direction than conventional battery packs 10 of the same capacity.
- the battery pack 10 may be space-intensively mounted on the lower body of the vehicle.
- the overall length of the battery pack 10 is less than that of the full width of the vehicle due to the structure of the lower body.
- interference with other devices or components of the vehicle can be avoided while maintaining the capacity of the battery pack 10.
- the edges 340 of the base plate are provided with assembling holes H1 and H3 formed through in the vertical direction.
- the assembling holes H1, H2, H3, and H4 are provided in the same pattern on the edge 420 of the pack cover, as shown in FIGS. 1 to 3. That is, the assembling holes H1, H2, H3, and H4 provided in the edge 340 of the base plate and the edge 420 of the pack cover may correspond one-to-one to each other when the battery pack 10 is assembled.
- the assembly holes H1, H2, H3, and H4 may include tray / pack cover assembly holes H1 and H2 and vehicle assembly holes H3 and H4.
- the tray / pack cover assembly holes H1 and H2 are for fastening bolts when the tray 300 and the pack cover 400 are assembled
- the vehicle assembly holes H3 and H4 are the battery pack 10 itself.
- the hole for assembling the vehicle is relatively larger in diameter than the hole for assembling the tray / pack cover, and the spacer for preventing damage to the tray 300 and the pack cover 400 when the bolt is fastened on the vehicle assembling hole (H4) of the pack cover. (S) may be further provided.
- the outer wall plates 320 and 330 may be structures or brackets that stand up with respect to the base plate 310 to form walls of the tray 300.
- the outer wall plates 320 and 330 may be provided in plural, and each of the outer wall plates 320 and 330 may be provided at predetermined positions of the base plate 310, for example, between the front end portion, the rear end portion of the base plate 310, and the battery module 100 assembly and the electrical equipment 200. It may be manufactured to be bolted or welded to the upper surface of the base plate 310 located in.
- the outer wall plates 320 and 330 may include a front outer wall plate 320 and a rear outer wall plate 330.
- the front outer wall plate 320 and the rear outer wall plate 330 may be located at the front and rear ends of the base plate 310, that is, at both end edges in the longitudinal direction.
- the front outer wall plate 320 and the rear outer wall plate 330 support the battery module 100 assembly and the electrical equipment 200 at the front and rear of the battery module 100 assembly and the electrical equipment 200, respectively.
- the circumference of the front outer wall plate 320 and the rear outer wall plate 330 may be bolted to the front and rear edges of the pack cover 400. Accordingly, the front and rear of the battery pack 10 may be shielded.
- the periphery of the front outer wall plate 320 and the rear outer wall plate 330 may be defined as the front and rear edges 340 in the tray 300.
- the front outer wall plate 320 may be formed with holes 321 of various sizes.
- a connector for electrical connection with the vehicle side, a cooling port for supplying cooling water, and a venting plug for air ventilation may be exposed or extended to the outside of the battery pack 10 through the through holes.
- FIG. 5 is an enlarged view of region V of FIG. 4
- FIG. 6 is a top view of FIG. 3
- FIG. 7 is a sectional view taken along line AA of FIG. 6, and
- FIG. 8 is of FIG. 7. Area enlarged view.
- the tray stopper 350 is formed to be bent upward from the edge 340 of the tray, and the pack cover 400 and the tray 300 are assembled when the tray cover 300 is assembled. It serves to support the edge 420 from the outside to the inside direction.
- the cover body 410 of this embodiment is bent in both directions ( ⁇ Y axis direction) as described above has a convex shape.
- the cover body 410 may be molded in a deep drawing method. Due to the characteristics of the deep drawing type molding, the cover body 410 is easily caused to spring back to the state before molding (see F in FIG. 1), so that the pack cover 400 is placed on the tray 300 and then bolted. Before fastening, both edges 420 of the pack cover may be further opened outward with respect to the edge 340 of the tray, and thus may not accurately face both edges of the tray 300. In this case, the assembling holes H1 and H3 of the tray and the assembling holes H2 and H4 of the pack cover may not communicate with each other up and down.
- the tray stopper 350 prevents spring back of the pack cover 400 which may be a problem in the assembly process of the pack cover 400 and the tray 300 as described above.
- the tray stopper 350 may be provided to be bent in an upward direction at both edges of the base plate 310.
- the tray stopper 350 may be configured to be bent approximately 90 degrees with respect to the base plate 310.
- the tray stopper 350 is formed integrally with the base plate 310, but in an alternative embodiment, the tray stopper 350 is a "b" shaped bracket or bracket separately from the base plate 310. It may be implemented as.
- a plurality of tray stoppers 350 may be provided at both edges 340 of the base plate at predetermined intervals along the length direction of the tray 300.
- eight tray stoppers 350 are provided on each side of the base plate 310.
- the number of tray stoppers 350 may be more than 10 or less in total, and may be implemented by bending the entire line of both edges 340 of the base plate.
- tray stopper 350 when the pack cover 400 is loaded on the tray 300, as shown in FIGS. 6 to 8, portions of both edges 420 of the pack cover have a tray stopper ( 350 may be supported from the outside to the inside direction. Accordingly, the spring back of the pack cover 400 is prevented, so that the edge 420 of the pack cover is exactly facing the edge 340 of the tray, so that the holes H1 and H2 for assembling the tray 300 and the pack cover 400 are fixed. H3, H4) may coincide with each other up and down. In this case, before the bolt (B) of the pack cover 400 and the tray 300 is fastened, a worker may install a separate tool (H1, H2, H3, H4) for assembling holes of the pack cover 400 and the tray 300. No need for position correction by inserting and pulling the tool).
- the pack cover 400 position correction operation for fitting the pack covers 400 and the assembly holes H1, H2, H3, and H4 of the tray 300 may be performed. Since it is almost unnecessary, the tact time required for the assembly process can be shortened by that much.
- FIG. 9 is a view showing another embodiment of the tray stopper shown in FIG. 8, and FIG. 10 is a view showing another embodiment of the tray stopper shown in FIG. 8.
- the tray stopper 350 of the present exemplary embodiment may be configured to be bent in a form of wrapping a portion of the edge 420 of the pack cover from the outside to the inside.
- the pack cover 400 first inserts the end of the edge 420 portion of either pack cover of both edges 420 of the pack cover into the corresponding tray stopper 350, and then the other side of the pack cover.
- the edge 420 may be loaded onto the tray 300 by fitting the portion of the edge 420 to the corresponding tray stopper 350. According to this configuration, the flow of the pack cover 400 as well as the upward and downward flow can be prevented even before the bolt is fastened as compared with the above-described embodiment.
- the tray stopper 350 may further include a protrusion 351 protruding downward from an upper end of the tray stopper 350 of FIG. 9.
- the protrusion 351 may have a substantially hemispherical shape. According to this configuration, the contact of the protrusion 351 with the upper surface of the edge 420 of the pack cover may be closer than that of the tray stopper 350 of FIG. 9, so that the upper surface of the edge 420 of the pack cover is the protrusion 351. Can be pressed more effectively. Therefore, the position fixing force of the pack cover 400 with respect to the tray 300 can be further improved.
- the battery pack 10 according to the present invention may be applied to an automobile such as an electric vehicle or a hybrid vehicle. That is, the vehicle according to the present invention may include the battery pack 10 according to the present invention.
- the present invention relates to a battery pack having a tray stopper for spring back jersey of a pack cover, and is particularly applicable to industries related to secondary batteries.
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Abstract
Description
Claims (11)
- 적어도 하나의 배터리 모듈, 상기 적어도 하나의 배터리 모듈과 전기적으로 연결된 전장품들;상면에 상기 적어도 하나의 배터리 모듈과 전장품들을 지지하는 트레이; 및상기 트레이의 테두리와 대면하게 되는 테두리를 구비하고 상기 트레이와 결합하여 상기 배터리 모듈 및 전장품들을 커버하는 팩 커버를 포함하며,상기 트레이는,상기 트레이의 테두리에서 상부 방향으로 벤딩된 형태로 마련되어, 상기 팩 커버의 테두리를 외측에서 내측 방향으로 지지하는 트레이 스토퍼를 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 트레이는, 길이 방향이 폭 방향에 비해 더 길게 연장 형성되는 베이스 플레이트와 상기 베이스 플레이트에 대해 기립 배치되어 벽체를 형성하는 적어도 하나의 외벽 플레이트를 포함하며,상기 트레이 스토퍼는,상기 트레이의 길이 방향에 따른 상기 베이스 플레이트의 양쪽 테두리에 각각 적어도 하나씩 마련되는 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 베이스 플레이트의 폭은 상기 배터리 모듈 하나의 폭에 대응하며, 상기 배터리 모듈들은 일렬로 상기 베이스 플레이트의 길이 방향을 따라 배치된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 외벽 플레이트는 상기 베이스 플레이트의 전단부와 후단부에 각각 마련되는 전방 외벽 플레이트와 후방 외벽 플레이트를 포함하며,상기 팩 커버는 상기 베이스 플레이트에 상응하는 길이와 폭을 가지며, 양방향으로 구부러져 중심부가 볼록한 형태로 마련된 커버 본체를 포함하는 것을 특징으로 하는 배터리 팩.
- 제4항에 있어서,상기 커버 본체의 상단은 상기 트레이의 길이 방향을 따라 단차를 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 트레이 스토퍼는,상기 팩 커버의 테두리의 일부분을 외측 방향에서 내측 방향으로 감싸는 형태로 벤딩된 것을 특징으로 하는 배터리 팩.
- 제6항에 있어서,상기 트레이 스토퍼는, 상단면이 하방 돌출 형성되어 상기 팩 커버의 엔드 라인의 상면을 압박하는 돌기부를 더 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 트레이의 테두리와 상기 팩 커버의 테두리에는 상호 간 일대일 대응하는 조립용 홀들이 형성되어 있는 것을 특징으로 하는 배터리 팩.
- 제8항에 있어서,상기 트레이의 테두리와 상기 팩 커버의 테두리 사이에 배치되는 실링 가스켓을 더 포함하는 것을 특징으로 하는 배터리 팩.
- 제9항에 있어서,상기 실링 가스켓은 상기 조립용 홀들에 대응하는 관통홀을 구비하는 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제10항 중 어느 한 항에 따른 배터리 팩을 포함하는 자동차.
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JP2018547368A JP6704467B2 (ja) | 2016-11-04 | 2017-10-11 | パックカバーのスプリングバック阻止のためのトレイストッパを備えたバッテリーパック |
EP17866800.0A EP3413376B1 (en) | 2016-11-04 | 2017-10-11 | Battery pack including tray stopper for preventing spring back of pack cover |
US16/080,479 US10847764B2 (en) | 2016-11-04 | 2017-10-11 | Battery pack including tray stopper for preventing spring back of pack cover |
CN201780015388.4A CN108713263B (zh) | 2016-11-04 | 2017-10-11 | 包括用于防止电池组盖回弹的托盘止动器的电池组 |
PL17866800.0T PL3413376T3 (pl) | 2016-11-04 | 2017-10-11 | Pakiet akumulatorowy zawierający ogranicznik półki do zapobiegnięcia odskakiwaniu pokrywy pakietu |
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KR1020160146824A KR102084152B1 (ko) | 2016-11-04 | 2016-11-04 | 팩 커버의 스프링 백 저지를 위한 트레이 스토퍼를 구비한 배터리 팩 |
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US (1) | US10847764B2 (ko) |
EP (1) | EP3413376B1 (ko) |
JP (1) | JP6704467B2 (ko) |
KR (1) | KR102084152B1 (ko) |
CN (1) | CN108713263B (ko) |
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KR20230075298A (ko) * | 2021-11-22 | 2023-05-31 | 주식회사 엘지에너지솔루션 | 배터리 팩 및 이를 포함하는 자동차 |
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Publication number | Publication date |
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JP2019507947A (ja) | 2019-03-22 |
KR20180050084A (ko) | 2018-05-14 |
EP3413376B1 (en) | 2022-11-30 |
EP3413376A1 (en) | 2018-12-12 |
JP6704467B2 (ja) | 2020-06-03 |
CN108713263A (zh) | 2018-10-26 |
US10847764B2 (en) | 2020-11-24 |
PL3413376T3 (pl) | 2023-02-27 |
KR102084152B1 (ko) | 2020-03-03 |
EP3413376A4 (en) | 2019-04-17 |
CN108713263B (zh) | 2021-04-20 |
US20200227704A1 (en) | 2020-07-16 |
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