WO2022182122A1 - 과융착을 방지하는 방수 전지팩 케이스 - Google Patents
과융착을 방지하는 방수 전지팩 케이스 Download PDFInfo
- Publication number
- WO2022182122A1 WO2022182122A1 PCT/KR2022/002643 KR2022002643W WO2022182122A1 WO 2022182122 A1 WO2022182122 A1 WO 2022182122A1 KR 2022002643 W KR2022002643 W KR 2022002643W WO 2022182122 A1 WO2022182122 A1 WO 2022182122A1
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- WO
- WIPO (PCT)
- Prior art keywords
- case
- protrusion
- battery pack
- fusion
- pack case
- Prior art date
Links
- 238000003466 welding Methods 0.000 claims abstract description 17
- 230000004927 fusion Effects 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 15
- 238000009751 slip forming Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 abstract description 27
- 238000010168 coupling process Methods 0.000 abstract description 27
- 238000005859 coupling reaction Methods 0.000 abstract description 27
- 239000002253 acid Substances 0.000 description 10
- 230000007547 defect Effects 0.000 description 10
- 230000002265 prevention Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
-
- 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
-
- 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
Definitions
- the present invention relates to a waterproof battery pack case having an over-fusion prevention structure. Specifically, in the case of ultrasonic welding for bonding the battery pack case, it relates to a battery pack case including an over-fusion prevention and waterproof structure capable of preventing defects in appearance at the bonding site due to over-fusion and also waterproofing at the same time .
- a battery pack in which secondary batteries are connected in series or in parallel is used as a high output and high capacity energy source for medium and large devices.
- the battery pack includes a plurality of battery cells inside the battery pack case, a structure for electrical connection of the battery cells, a structure for controlling the operation of the battery cells, and a structure for controlling heat generation/heat dissipation of the battery cells, etc. may include, and is manufactured by combining the battery pack case in a state accommodating all of them.
- the battery pack case is manufactured using a polymer resin.
- a bonding method of the battery pack case a method of bonding by pressing the polymer resin in a molten state using frictional heat generated by ultrasonic vibration is used. If the bonding portion of the battery pack case is over-melted or the pressure control is incorrect, a burr occurs in which the molten resin leaks out.
- FIG. 1 shows a vertical cross-sectional view of a conventional battery pack case coupling portion.
- the battery pack case is composed of a first case 100 positioned on the upper part and a second case 200 positioned on the lower part.
- a protrusion 110 having a central portion protruding downward in the thickness direction (x-axis direction) is formed in the coupling portion of the first case 100
- a central portion in the thickness direction (x-axis direction) is formed in the coupling portion of the second case 200 .
- a concave groove 230 is formed.
- the battery pack case is assembled while the protrusion 110 of the first case 100 is inserted and fixed into the groove 230 of the second case 200 .
- the protrusion 110 includes a fusion mountain 111 having a narrow width in the thickness direction (x-axis direction) at the end.
- the fusion mount 111 is melted while vibrating within the groove portion 230 of the second case 20 , the groove portion 230 is formed. It is filled with the molten polymer of the protrusion 110 or the fusion acid 111 .
- burr)(B) may occur.
- Figure 1 (a2) shows a state in which the burr B is generated due to over-fusion at the coupling portion of the first case 100 and the second case 200 .
- Patent Document 1 includes a first case and a second case, and the first connection surface of the first case and the second connection surface of the second case are ultrasonically welded.
- the second connection surface has a vertical groove, and the stopper rib and the second fusion rib positioned on both sides of the vertical groove are positioned opposite to the stopper surface of the first connection surface and the first fusion rib of the first connection surface, respectively, and are ultrasonically welded,
- Disclosed is a battery pack in which a flow gap is formed to prevent molten plastic from flowing in during fusion to prevent fusion build-up on the surface.
- the flow gap of Patent Document 1 is a form in which it is difficult to completely prevent the plastic from melting and overflowing from the flow gap. Since both the welding between the stopper rib and the stopper surface and between the second fusion rib and the first connection surface must be welded, the welding process is complicated and welding strength control is required, and the welding parts are molten and overflowing the flow gap It is a form that is difficult to completely block.
- Patent Document 2 discloses that the battery pack case includes a front case and a rear case, and a plurality of fusion protrusions made of a resin material are formed along an edge surface of the rear case, that is, in a portion in contact with the front case, and the front surface Disclosed is a battery pack provided with a leak prevention groove for preventing the fusion protrusion from leaking in a portion in contact with the fusion protrusion of the rear case along the edge surface of the case.
- the leak prevention groove of Patent Document 2 has a shape in which it is difficult to completely prevent the fusion protrusion from overflowing from the leak prevention groove by melting. That is, it is necessary to adjust the time and force for coupling the front case and the rear case, and when the fusion protrusion overflows the leak prevention groove in a molten state, an appearance defect occurs between the battery cases like the burr of FIG. difficult to prevent
- a battery pack case having a structure that fundamentally blocks appearance defects by overflowing the fusion acid of the battery case melted by vibrational heat to the outside of the battery case, and is also waterproof is required.
- the present invention is to solve the above problems, and in the case of ultrasonic welding for bonding the battery pack case, it is possible to prevent an appearance defect at the bonding site due to over-fusion and to prevent over-fusion prevention and waterproofing at the same time.
- An object of the present invention is to provide a battery pack case including a structure.
- the battery pack case according to the present invention for achieving this object includes a first case and a second case, the outer periphery of which is mutually coupled by ultrasonic welding, and the outer periphery of the first case is the outer periphery of the flat part and the plane and a protrusion with a center protruding from the first case in the thickness direction, and the outer periphery of the second case includes a receiving portion fused with the protruding portion and an outer guide portion protruding from the receiving portion to face the flat portion, , a control rib from which at least a portion of the flat portion protrudes may be added.
- the protrusion may include a fusion mount disposed at an end of the protrusion, at least a portion of which is melted during fusion, and a support portion for supporting the fusion mount.
- the cross-sectional area of the end of the fusion mountain may be smaller than the cross-sectional area of the beginning.
- the fusion mountain may have an inclined structure in which the cross-sectional area becomes narrower toward the end.
- the protrusion height of the control rib may be greater than or equal to the support portion and less than the end of the fusion mount.
- the protrusion portion is continuously formed along the outer periphery of the first case, the receiving portion is continuously formed along the outer periphery of the second case, and the control rib is formed of the battery pack case based on the protrusion portion. It is formed continuously or discontinuously on the inner surface, and the outer guide part is continuously formed on the outer surface of the battery pack case based on the protrusion, and when the first case and the second case are coupled to each other, the flat part and the outer guide part may not contact each other, and the control rib and the receiving part may contact each other.
- an inner guide portion protruding from the receiving portion and facing the flat portion may be further formed on the inner surface of the battery pack case based on the projecting portion.
- the protrusion may be inserted between the inner guide part and the outer guide part of the second case.
- a rib groove into which the control rib can be inserted may be formed in the inner guide part.
- the protrusion part and the outer guide part may not contact each other.
- Cross-sections of the first case and the second case may have the same thickness.
- the present invention can also be provided as a possible combination capable of combining the means for solving the above problems.
- the support structure is formed at the coupling portion between the first case and the second case, and the first case and the second case are in a molten state with the protrusion of the first case. Even if the force in the coupling direction is excessively applied, the coupling distance between the first case and the second case may be maintained to a certain degree.
- the airtightness of the battery pack can be effectively secured and external moisture can be reliably prevented from penetrating.
- FIG. 1 is a vertical cross-sectional view of a conventional battery pack case coupling portion.
- FIG. 2 is a perspective view of a first case according to a first embodiment of the present invention.
- FIG 3 is a perspective view of a second case according to the first embodiment of the present invention.
- FIG 4 is a vertical cross-sectional view of a case coupling portion during welding according to the first embodiment of the present invention.
- FIG. 5 is a vertical cross-sectional view of a case coupling portion after welding according to the first embodiment of the present invention.
- FIG. 6 is a perspective view of a case coupling portion according to a first embodiment of the present invention.
- FIG. 7 is a perspective view of a case coupling portion according to a second embodiment of the present invention.
- FIG. 8 is a perspective view of a case coupling portion according to a third embodiment of the present invention.
- FIG. 9 is a schematic view showing various shapes of the control rib of the present invention.
- the battery pack case according to the present invention includes a first case and a second case that are separated from each other.
- the first case and the second case include a structure coupled to each other by fusion bonding.
- a protrusion having a shape in which a central portion of the first case protrudes in the thickness direction is formed at the coupling portion of the first case, and the coupling portion of the second case is positioned opposite the protrusion in the thickness direction of the second case.
- a receiving portion is formed on the inside. Accordingly, the protrusion may be fusion-bonded to face the accommodating part.
- FIG. 2 is a perspective view of a first case according to a first embodiment of the present invention
- FIG. 3 is a perspective view of a second case according to the first embodiment of the present invention
- FIG. 4 is a perspective view of a second case according to the first embodiment of the present invention.
- a vertical cross-sectional view of the case-coupled portion during welding
- FIG. 5 is a vertical cross-sectional view of the case-coupled portion after welding according to the first embodiment of the present invention
- FIG. 6 is a perspective view of the case-coupled portion according to the first embodiment of the present invention.
- the first case 1000 has case walls on the side and upper surfaces and the lower surface is open
- the second case 2000 has case walls on the side and lower surfaces and the upper part. It is a configuration with an open surface, and although it is shown in an approximately hexahedral shape in FIGS. 2 and 3 , if the battery pack can be configured by combining the battery module after accommodating the battery module therein, it is obvious that the shape is not limited thereto.
- the coupling portion of the first case 1000 is located on the outer periphery of the lower surface of the side wall, and a portion of the outer periphery of the first case includes a protrusion 1100 protruding in the lower end direction (-z-axis direction).
- the protrusion 1100 includes a fusion mount 1110 and a support part 1120 , and one or more control ribs 3000 may be positioned in close contact with the inner surface of the case 1100 of the protrusion 1100 of the first case 1000 .
- the coupling portion of the second case 2000 is located on the outer periphery of the upper surface of the side wall, and the accommodating part 2100 and the accommodating part 2100 facing the protrusion 1100 of the first case 1000 are located on the outer periphery It may include an outer guide portion 2200 formed to extend upward (z-axis direction) to the.
- a horizontal cross-section (xy plane) of the accommodating part 2100 may be formed to correspond to a horizontal cross-section (xy plane) of the support part 1120 and the control rib 3000 .
- the first case thickness d1 and the second case thickness d2 are formed to be the same, and the protrusion 1100 formed on the outer periphery of the first case 1000 is It is in close contact with the accommodating part 2100 of the second case 200 .
- ultrasonic vibration is applied to the first case 1000 and the second case 2000 so that the protrusion 1100 of the first case 1000 and the receiving unit 2100 of the second case 2000 come into contact with each other.
- the fusion mountain 1100 located at the end of the protrusion 1100 is melted by the frictional heat generated in the portion.
- the first case 1000 and the second case 2000 are coupled by the molten fusion acid 1100 molten solution.
- the outer periphery of the first case includes a flat portion 11250 and a protrusion 1100 formed by protruding a portion of the center of the first case 1000 in the thickness direction (x-axis) from the flat portion 11250 .
- the protrusion 1100 may include a support part 1120 having a constant cross-sectional area downward (z-axis direction) and a fusion mount 1110 extending to a lower end of the support part 1120 and having a cross-sectional area gradually reduced.
- a portion between the outer peripheral surface of the support part 1120 (outward direction of the case housing part) and the outer peripheral surface of the side wall of the first case 1000 forms an external flat part 1200, and the support part 1120 inside (inside the case housing part) direction)
- a portion between the outer circumferential surface and the inner outer circumferential surface of the side wall of the first case 1000 forms an inner flat portion 1300.
- the outer flat portion 1200 is the outer guide portion 2200 of the second case 2000. is located opposite to
- the flat portion 11250 is divided into an outer flat portion 11200 and an inner flat portion 11300 , and these can be formed with a step difference, so FIGS. 4 and 5 show a stepped state, and FIGS. 6 and 7 . is shown with no step difference.
- control rib 3000 is positioned by being coupled to the inner planar portion 1300 and the protrusion 1100 .
- the control rib 3000 includes a rib support part 3100 formed along the inner peripheral surface of the support part 1120 and a rib extension part 3200 formed by extending horizontally (xy plane) from the lower part of the rib support part 3100.
- the rib extension 3200 may be formed to extend to a predetermined position between the lower end of the support portion 1120 and the lower end of the fusion peak 1100, and in the vertical direction (-z-axis direction) from the lower end of the fusion mount 1100 . ) is preferably formed in the 50% to 70% position. This is advantageous in that the lower end of the fusion acid 1100 is melted by ultrasonic vibration to stably couple the first case 1000 and the second case 2000, and excessively melted to reduce the case bonding defect.
- the lower end surface of the rib extension 3200 is preferably formed to correspond to the upper end surface of the receiving unit 2100 of the second case 2000, and more preferably formed in a horizontal plane. This is after the case welding is completed, the rib extension part 3200 and the receiving part 2100 are in close contact with each other in a shape corresponding to each other to minimize the mutual stress, so that the first case 1000 and the second case 2000 are stably coupled.
- a separation space is formed between the protrusion 1100 and the outer guide 2200, and the outer surface of the support unit 1120 and the outer guide unit
- the inner surfaces of the 2200 are spaced apart by a predetermined distance h5.
- the overall height of the protrusion (h1) is greater than the height (h3) between the height of the outer guide portion (h4) and the lower surface of the outer flat portion 1200 and the lower surface of the rib extension portion (3200).
- the height h3 between the lower surface of the outer flat part 1200 and the lower surface of the rib extension part 3200 is greater than the height h4 of the outer guide part.
- the separation distance h7 between the lower surface of the outer flat part 1200 and the upper surface of the outer guide part 2200 may be 0.1 mm to 0.3 mm. and preferably 0.2 mm. This is advantageous in preventing over-fusion while minimizing the increase in the battery pack case volume.
- the entire bonding region of the first case 1000 and the second case 2000 according to the first embodiment of the present invention is fusion-bonded by the fusion acid 1110 melted by ultrasonic vibration, and is resistant to over-fusion. It is possible to prevent defects in the bonding site due to the fact that airtightness can be secured, and the penetration of moisture and other liquid substances can be prevented, so that waterproofing is possible.
- the vertical (z-side direction) length of the control rib 3000 is longer than h3 because the inner planar part 1300 and the outer planar part 1200 form a step difference, but this is only an example.
- the vertical (z-side direction) length of the control rib 3000 may be equal to or smaller than h3 if it can serve as a support for preventing deformation such as distortion or bending of the protrusion 1100 during the fusion process.
- two or more control ribs 3000 have a predetermined width (y-axis direction) and are spaced apart from each other by a predetermined distance on the inner surface of the battery pack case with respect to the protrusion 1100 as a reference. have. It is preferable that at least one opposing sidewall of the first case 1000 is disposed opposite to each other. This is advantageous for effectively preventing over-fusion by maintaining the balance of the case-bonding portion during case fusion bonding.
- FIG. 7 is a perspective view of a case coupling portion according to a second embodiment of the present invention. 7, since the second embodiment of the present invention is the same as the first embodiment described with reference to FIGS. 2 to 6 except for the control rib 13000, hereinafter, the control rib ( 13000) will be described only.
- control rib 13000 may be continuously positioned on the inner surface of the case of the protrusion 11100 .
- the entire bonding region of the first case 11000 and the second case 12000 is fused by the fusion acid 11120 melted by ultrasonic vibration.
- the control rib 13000 that is coupled and disposed on the inner outer circumferential surface of the protrusion 11100, it is possible to prevent defects due to over-fusion as well as the lower surface of the rib extension (not shown) and the receiving portion 12100. There is an advantage in that the upper surface is closely adhered to improve airtightness.
- the control rib 13000 supports the entire outer circumferential surface of the protrusion 11100, thereby preventing distortion or bending of the protrusion 11100 during the fusion bonding process, and has the advantage of improving the stability and durability of the battery pack case.
- FIG. 8 is a perspective view of a case coupling portion according to a third embodiment of the present invention.
- the third embodiment of the present invention is the first embodiment described with reference to FIGS. 2 to 6 except for the rib groove 22400 formed in the inner guide part 22300 and the inner guide part 22300 . Since it is the same as the first embodiment, only the inner guide portion 22300 and the rib groove 22400, which are different configurations, will be described below.
- An inner guide portion 22300 may be formed on the inner surface of the second case 22000 to protrude upward from the receiving portion 22100 to face the inner flat portion 21300 of the first case 21000 .
- the inner guide part 22300 may be continuously formed in the receiving part 22100 of the second case 22000 , and a rib groove 22400 is formed at a position corresponding to the control rib 23000 to form the first case 21000 .
- the control rib 23000 is positioned in the corresponding rib groove 22400.
- the upper surface of the inner guide part 22300 may be in close contact with the lower surface of the inner flat part 21300 . This is advantageous in preventing deformation such as distortion or bending of the protrusion 21100 in the ultrasonic welding process by supporting the inner guide portion 22300 in close contact with the inner flat portion 21300, and improving the stability and durability of the battery pack case do.
- the bottom surface of the rib groove 22400 forms the same surface (xy surface) as the top surface of the accommodation part 22100 . This can more effectively prevent the fusion acid 21120 molten by ultrasonic vibration from flowing into the rib groove 22400, which is advantageous in improving the airtightness of the battery pack case.
- FIG. 9 is a schematic view showing various shapes of the control rib of the present invention.
- the outer flat portion and the inner flat portion of the first case have a shape formed at the same height, which facilitates the protrusion processing process and is advantageous in saving the control rib material.
- the rib extension portion of the control rib is not in the shape of a horizontal plane, but a shape in which a portion of the contact portion of the outer peripheral surface of the fusion mount is bent upward. This has the advantage of being accommodated in the space between the bending surface of the rib extension and the receiving part when the fusion acid is over-melted, and preventing the flow out of the case coupling part.
- the protrusion does not have a separate support part, but is composed of a fusion mountain formed directly from the flat part of the first case, and the rib extension part of the control rib is formed relatively large.
- Such a configuration is advantageous in that it is easy to form the protrusion, and the size of the increased rib extension supports the fusion mount to prevent deformation while shortening the ultrasonic welding process time.
- the battery pack case according to the present invention is a case for a battery pack used as an energy source for various types of devices, and the battery pack case may have a through hole for drawing out the electrode terminals of the battery cells accommodated therein to the outside. .
- the battery pack case according to the present invention may be a form in which a structure for coupling, such as a hook structure for stably mounting in the various types of devices, is added.
- h3 the height between the outer bottom surface of the protrusion and the rib extension
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
Claims (11)
- 전지팩 케이스에 있어서,외주변이 초음파 용접에 의해 상호 결합되는 제1케이스와 제2케이스를 포함하고,상기 제1케이스의 외주변은 평면부 및 상기 평면부로부터 상기 제1케이스 두께 방향 중심이 돌출된 돌출부를 포함하며,상기 제2케이스의 외주변은 상기 돌출부와 융착하는 수납부 및 상기 수납부로부터 돌출되어 상기 평면부와 대면하는 외측가이드부를 포함하며,상기 평면부의 적어도 일부가 돌출된 컨트롤리브가 부가되어 있는 전지팩 케이스.
- 제1항에 있어서,상기 돌출부는 상기 돌출부의 말단에 배치되며 융착시 적어도 일부가 용융되는 융착산 및 상기 융착산을 지지하는 지지부를 포함하는 전지팩 케이스.
- 제2항에 있어서,상기 융착산은 시작부분의 단면적보다 말단의 단면적이 더 작은 전지팩 케이스.
- 제3항에 있어서,상기 융착산은 말단으로 갈수록 단면적이 좁아지는 경사형 구조로 이루어진 전지팩 케이스.
- 제2항에 있어서,상기 컨트롤리브의 돌출높이는 상기 지지부 이상 상기 융착산 말단 미만인 전지팩 케이스.
- 제1항에 있어서,상기 돌출부는 상기 제1케이스의 외주변을 따라서 연속적으로 형성되어 있고,상기 수납부는 상기 제2케이스의 외주변을 따라서 연속적으로 형성되어 있으며,상기 컨트롤리브는 상기 돌출부를 기준으로서 상기 전지팩 케이스의 내면에 연속적 또는 비연속적으로 형성되어 있고,상기 외측가이드부는 상기 돌출부를 기준으로서 상기 전지팩 케이스의 외면에 연속적으로 형성되어 있고,상기 제1케이스와 상기 제2케이스가 상호 결합할 때 상기 평면부와 상기 외측가이드부는 서로 접촉하지 않으며, 상기 컨트롤리브와 상기 수납부는 접촉하는 전지팩 케이스.
- 제6항에 있어서,상기 컨트롤리브가 비연속적으로 형성될 때,상기 돌출부를 기준으로서 상기 전지팩 케이스의 내면에 상기 수납부로부터 돌출되어 상기 평면부와 대면하는 내측가이드부가 더 형성되는 전지팩 케이스.
- 제7항에 있어서,상기 돌출부는 상기 제2케이스의 내측가이드부와 외측가이드부 사이에 삽입되는 전지팩 케이스.
- 제7항에 있어서,상기 내측가이드부에는 상기 컨트롤리브가 삽입될 수 있는 리브홈이 형성되는 전지팩 케이스.
- 제6항에 있어서,상기 제1케이스와 상기 제2케이스가 상호 결합할 때 상기 돌출부와 상기 외측가이드부는 서로 접촉하지 않는 전지팩 케이스.
- 제1항에 있어서,상기 제1케이스 및 상기 제2케이스의 단면의 두께는 서로 동일한 전지팩 케이스.
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JP2023540193A JP2024503340A (ja) | 2021-02-25 | 2022-02-23 | 過融着を防止する防水電池パックケース |
US18/277,025 US20240128570A1 (en) | 2021-02-25 | 2022-02-23 | Waterproof battery pack case configured such that over-fusion thereof is prevented |
EP22760038.4A EP4274013A1 (en) | 2021-02-25 | 2022-02-23 | Waterproof battery pack case for preventing over-fusion |
CN202280012868.6A CN116783765A (zh) | 2021-02-25 | 2022-02-23 | 配置为防止过熔合的防水电池组壳体 |
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KR10-2021-0025584 | 2021-02-25 | ||
KR1020210025584A KR20220121474A (ko) | 2021-02-25 | 2021-02-25 | 과융착을 방지하는 방수 전지팩 케이스 |
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EP (1) | EP4274013A1 (ko) |
JP (1) | JP2024503340A (ko) |
KR (1) | KR20220121474A (ko) |
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JPH11284359A (ja) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | 電気機器のケース |
JPH11297286A (ja) * | 1998-04-15 | 1999-10-29 | Fuji Photo Film Co Ltd | バッテリーパックの組立て方法 |
KR20040085478A (ko) | 2003-03-31 | 2004-10-08 | (주) 프로-테크 | 무선단말기용 배터리팩의 케이스 융착 구조 |
JP2011076968A (ja) * | 2009-10-01 | 2011-04-14 | Panasonic Corp | 電池収納ケースとその接合方法 |
JP2012209174A (ja) * | 2011-03-30 | 2012-10-25 | Panasonic Corp | 電池パック及び分離ケースの接合方法 |
KR101409227B1 (ko) * | 2013-02-19 | 2014-06-18 | 한국오므론전장 주식회사 | 차고센서의 결합구조 |
KR20210025584A (ko) | 2021-03-02 | 2021-03-09 | 한창엽 | 영상 내에서의 판매 방법 및 촬영 장치 |
-
2021
- 2021-02-25 KR KR1020210025584A patent/KR20220121474A/ko unknown
-
2022
- 2022-02-23 US US18/277,025 patent/US20240128570A1/en active Pending
- 2022-02-23 JP JP2023540193A patent/JP2024503340A/ja active Pending
- 2022-02-23 CN CN202280012868.6A patent/CN116783765A/zh active Pending
- 2022-02-23 WO PCT/KR2022/002643 patent/WO2022182122A1/ko active Application Filing
- 2022-02-23 EP EP22760038.4A patent/EP4274013A1/en active Pending
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JPH11284359A (ja) * | 1998-03-31 | 1999-10-15 | Sanyo Electric Co Ltd | 電気機器のケース |
JP3702090B2 (ja) | 1998-03-31 | 2005-10-05 | 三洋電機株式会社 | 電気機器のケース |
JPH11297286A (ja) * | 1998-04-15 | 1999-10-29 | Fuji Photo Film Co Ltd | バッテリーパックの組立て方法 |
KR20040085478A (ko) | 2003-03-31 | 2004-10-08 | (주) 프로-테크 | 무선단말기용 배터리팩의 케이스 융착 구조 |
JP2011076968A (ja) * | 2009-10-01 | 2011-04-14 | Panasonic Corp | 電池収納ケースとその接合方法 |
JP2012209174A (ja) * | 2011-03-30 | 2012-10-25 | Panasonic Corp | 電池パック及び分離ケースの接合方法 |
KR101409227B1 (ko) * | 2013-02-19 | 2014-06-18 | 한국오므론전장 주식회사 | 차고센서의 결합구조 |
KR20210025584A (ko) | 2021-03-02 | 2021-03-09 | 한창엽 | 영상 내에서의 판매 방법 및 촬영 장치 |
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KR20220121474A (ko) | 2022-09-01 |
EP4274013A1 (en) | 2023-11-08 |
JP2024503340A (ja) | 2024-01-25 |
US20240128570A1 (en) | 2024-04-18 |
CN116783765A (zh) | 2023-09-19 |
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