WO2022092777A1 - 일체형 필터 메쉬를 벤팅홀에 적용한 팩 하우징 및 이를 포함하는 배터리 팩 - Google Patents
일체형 필터 메쉬를 벤팅홀에 적용한 팩 하우징 및 이를 포함하는 배터리 팩 Download PDFInfo
- Publication number
- WO2022092777A1 WO2022092777A1 PCT/KR2021/015137 KR2021015137W WO2022092777A1 WO 2022092777 A1 WO2022092777 A1 WO 2022092777A1 KR 2021015137 W KR2021015137 W KR 2021015137W WO 2022092777 A1 WO2022092777 A1 WO 2022092777A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter layer
- pack housing
- mesh network
- mesh
- resin
- Prior art date
Links
- 238000013022 venting Methods 0.000 title claims abstract description 42
- 229920005989 resin Polymers 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 38
- 239000007769 metal material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920005749 polyurethane resin Polymers 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
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
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/394—Gas-pervious parts or elements
-
- 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
-
- 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
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/35—Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
-
- 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
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- 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 pack housing, to a pack housing to which an integrated filter mesh is applied, which can reduce the man-hours when assembling into a venting hole through which gas is discharged and satisfy waterproof and dustproof performance, and a battery pack including the same.
- An ESS (Energy Storage System) battery pack is equipped with secondary battery cells to store power during the day and can be taken out and used when needed. For example, it is a form of storing electricity generated using solar panels or wind power generation in secondary battery cells and then taking it out.
- the ESS battery pack may be configured differently in size and weight depending on the storage capacity, but for example, the ESS battery pack for home use is provided in a rectangular box shape of approximately 120 ⁇ 80 ⁇ 20 cm (height ⁇ width ⁇ thickness) and is provided with a bracket, etc. It may be provided so as to be installed on a wall or pole indoors or outdoors.
- the ESS battery pack has a venting hole to discharge the gas to the outside.
- the venting hole is generally provided on a lower surface or an upper surface of the pack housing.
- the waterproof and dustproof means there are two mesh networks having a size corresponding to the venting hole and a fiber filter disposed therebetween.
- a thick fiber filter is placed between two meshes to satisfy the IP rating, the thickness of waterproof and dustproof means increases, and it is difficult to align and assemble each mesh and fiber filter according to the venting hole. there is.
- the present invention was devised to solve the above-described problems, and when applied to a venting hole provided in the pack housing, a pack housing having waterproof and dustproof means satisfying waterproof and dustproof performance while reducing man-hours, and a battery pack including the same It has one purpose to provide.
- the pack housing includes: a venting hole provided on at least one surface to communicate with the internal space; and a hole cover assembly covering the venting hole, wherein the hole cover assembly includes a resin filter layer formed of resin and a mesh network integrated with the resin filter layer by insert injection, and a filter mesh interposed in the venting hole; and a mounting plate provided to be coupled to the at least one surface while pressing the edge region of the filter mesh in the form of an empty frame at the center.
- the at least one surface may be at least one of a bottom plate forming a bottom surface of the pack housing and a top plate forming a ceiling surface of the pack housing.
- the mesh network is formed of a metal material, and includes a first mesh network and a second mesh network disposed to face each other at a predetermined distance from the first mesh network, and the resin filter layer includes the first mesh network and the second mesh network. It may be located between mesh networks.
- the mesh network may further include an outer frame connected to an edge region of the first mesh network and an edge region of the second mesh network and surrounding the resin filter layer.
- the resin filter layer includes a first filter layer and a second filter layer disposed to face each other at a predetermined distance from the first filter layer, the mesh network is formed of a metal material, and is located between the first filter layer and the second filter layer can
- the mesh network may be configured to extend in the vertical direction so that an edge region thereof surrounds the first filter layer and the second filter layer.
- the resin filter layer may be formed of at least one of a fluororesin, a polyurethane resin, and an epoxy resin.
- the pack housing may include a housing body formed in a hollow structure, a lower end coupled to the bottom plate, and a housing body having an upper end coupled to the top plate.
- the bottom plate or the top plate includes a depression formed along the periphery of the venting hole so as to be able to mount the edge region of the filter mesh, and the depression is a column in which a thread is formed along the inner circumferential surface of the inner diameter in the corner region.
- the filter mesh may be provided in a form in which a corner area is cut, and the mounting plate may have a bolt fastening hole in the corner area, and may be fixed to the column by a bolt member fitted into the bolt fastening hole.
- a household ESS battery pack including the above-described pack housing may be provided.
- a pack housing having an integrated filter mesh that can reduce man-hours and satisfy waterproof and dustproof performance and a battery pack including the same can be provided.
- FIG. 1 is a perspective view illustrating an exterior of a battery pack according to an embodiment of the present invention.
- FIG. 2 is a perspective view illustrating a bottom plate of the pack housing of FIG. 1 .
- FIG 3 is an exploded perspective view of a hole cover assembly according to an embodiment of the present invention.
- FIG. 4 is a perspective view of the filter mesh of FIG. 3 ;
- FIG. 5 is a cross-sectional view taken along line II′ of FIG. 4 .
- FIG. 6 is a cross-sectional view corresponding to FIG. 5 and showing a modified example of the filter mesh.
- FIG. 1 is a perspective view showing the exterior of a battery pack according to an embodiment of the present invention
- FIG. 2 is a perspective view showing a bottom plate of the pack housing of FIG. 1
- FIG. 3 is a hole according to an embodiment of the present invention. It is an exploded perspective view of the cover assembly.
- the home ESS battery pack includes battery cells (not shown), a pack housing 10 accommodating the battery cells, and at least one surface of the pack housing 10 . It includes a venting hole 20 provided, and a hole cover assembly 30 installed in the venting hole 20 .
- a lithium ion secondary battery may be employed as the battery cell (not shown), and the lithium ion secondary battery includes an electrode assembly, an electrolyte, and an exterior material sealing them.
- the battery cell may be classified into a pouch type, a cylindrical shape, and a prismatic shape according to the shape of the exterior material, but it is not necessary to be limited to a specific shape.
- the electrode assembly is an assembly of an electrode and a separator, and may be configured in a form in which one or more positive electrode plates and one or more negative electrode plates are disposed with a separator interposed therebetween.
- Each electrode plate of the electrode assembly may be provided with an electrode tab to be connected to an electrode lead.
- one or more electrode tabs may be connected to an electrode lead.
- the electrode lead may function as an electrode terminal by being interposed between the pouch packaging materials and having one end exposed to the outside.
- the pack housing 10 may include a bottom plate 11 forming a bottom surface, a top plate 12 forming a ceiling surface, and a housing body 13 formed in a hollow structure.
- the housing body 13 may be manufactured by extrusion molding and forms the front, rear, and both side surfaces of the pack housing 10 .
- the housing body 13 is not shown in detail, but its lower end can be coupled to the bottom plate 11 by bolting or hooking, and its upper end can be provided to be coupled with the top plate 12 by bolting or hooking. there is.
- the pack housing 10 has an internal space surrounded by the bottom plate 11, the top plate 12, and the housing body 13 and is formed of a metal material with high mechanical rigidity to prevent external impact of battery cells and other internal components. or vibration protection.
- One or more venting holes 20 may be provided on at least one surface of the pack housing 10 as a means for discharging gas that may be generated in the battery cells to the outside of the pack housing 10 .
- the venting hole 20 may be preferably provided in the bottom plate 11 as in the present embodiment. In other words, if there is a venting hole 20 in the top plate 12 or the housing body 13, rainwater can flow into the pack housing 10 through the venting hole 20 in rainy weather, and foreign substances or dust fall while It is easy to accumulate around the venting hole 20 .
- venting hole 20 is implemented in a rectangular shape, the venting hole 20 does not necessarily have a rectangular shape. If necessary, the venting hole 20 may be configured in various shapes and sizes, such as circular, oval, polygonal, and the like.
- the hole cover assembly 30 is configured to cover the venting hole 20 and to be fixedly coupled to the bottom plate 11 in order to satisfy the waterproof and dustproof of the ESS battery pack.
- the hole cover assembly 30 may include a filter mesh 31 , a mounting plate 34 , and a bolt member 35 as shown in FIGS. 2 to 3 .
- the filter mesh 31 is formed by integrating the resin filter layer 32 formed of resin and the mesh mesh 33 made of a metal material by insert injection molding.
- the filter mesh 31 is formed by putting a pre-fabricated metal mesh mesh 33 into an injection mold and molding a filter layer with resin. That is, the filter mesh 31 can be said to take advantage of the unique advantages of each of the conventional several mesh networks 33 and filters by closely adhering the waterproof and dustproof means to a single product.
- the filter mesh according to the present invention ( 31) is a single product, so it can be directly installed in the venting hole 20 without laminating and aligning the resin filter layer 32 and the mesh network 33 .
- the filter mesh 31 is a resin filter layer 32 with weak rigidity and a mesh network 33 lacking a waterproof function in close contact with each other, so the disadvantages of the resin filter layer 32 and the mesh network 33 By complementing the disadvantages of each other, it is possible to combine waterproof and dustproof performance and excellent durability.
- the resin filter layer 32 may have a porous structure capable of filtering out micro-sized foreign substances.
- those having excellent heat resistance such as a fluororesin, a polyurethane resin, or an epoxy resin, may be used.
- the fluororesin has very excellent characteristics such as heat resistance, chemical resistance, low temperature resistance, electrical insulation, and high frequency characteristics compared to general plastics.
- the scope of the present invention is not limited to a specific type of resin.
- the resin may be applied, for example, having various chemical properties such as resins for suppressing the occurrence of fire.
- the mesh network 33 prevents the inflow of foreign substances and serves to support the resin filter layer 32 .
- the mesh network 33 may preferably be provided with a hole size of 1 mm horizontal ⁇ 1 mm vertical or less.
- the mesh network 33 may be made of a material with good rigidity, such as stainless steel. However, it is not necessarily made of stainless steel, and any material with good heat resistance and durability may be used.
- FIG. 4 is a perspective view of the filter mesh of FIG. 3
- FIG. 5 is a cross-sectional view taken along line II′ of FIG. 4 .
- the mesh network 33 includes a first mesh network 33a and a second mesh network 33b. , and an outer frame 33c, wherein the resin filter layer 32 is configured to be positioned between the first mesh network 33a and the second mesh network 33b.
- the first mesh network 33a and the second mesh network 33b may be provided in the same shape and size, and may be configured to face each other at a predetermined distance from each other.
- the first mesh network 33a and the second mesh network 33b may each have an edge region connected to the outer frame 33c, so that a distance may be maintained constant.
- the resin filter layer 32 may be positioned between the first mesh network 33a and the second mesh network 33b and surrounded by the outer frame 33c.
- the resin filter layer 32 is interposed in the space surrounded by the first mesh network 33a, the second mesh network 33b, and the outer frame 33c, so that it is not easily distorted even by strong impact or heat.
- FIG. 6 is a cross-sectional view showing a modified example of the filter mesh 31 in a view corresponding to FIG. 5 .
- the resin filter layer is divided into a first filter layer 32a and a second filter layer 32b, and the mesh network 33 includes the first filter layer 32a and the second filter layer 32b. It may be configured to be positioned between the two filter layers 32b.
- the first filter layer 32a is located on the upper portion of the mesh network 33 and the second filter layer 32b is located on the lower portion of the mesh network 33 to form a first filter layer ( 32a) and may be located apart.
- the mesh network 33 may be configured to extend in the vertical direction so as to surround the outer edges of the first filter layer 32a and the second filter layer 32b in an approximately “H” shape with an edge region 33d.
- the relatively rigid mesh network 33 acts as a skeleton inside the resin filter layer 32 to prevent deformation of the resin filter layer 32 .
- the contact surface of the mesh network 33 and the resin filter layer 32 during insert injection molding spans a wide area vertically, horizontally, horizontally, bonding strength between the two materials can be improved.
- the mounting plate 34 is provided in the form of an empty frame as an intermediate means for attaching the filter mesh 31 to the bottom plate 11 .
- the mounting plate 34 is provided in the form of a quadrangular frame corresponding to the four sides corresponding to the edge area of the filter mesh 31, and presses the four sides of the filter mesh 31, and the bottom plate 11 It is configured to be bolted to the
- the bottom plate 11 is provided with a recessed portion 11a recessed along the outer periphery of the venting hole 20 so as to be able to mount the edge region of the filter mesh 31 .
- the recessed portion 11a may be formed by a predetermined depth from the upper surface of the bottom plate 11 to form a step with the upper surface.
- the filter mesh 31 is seated in the edge region of the depression 11a and does not enter the venting hole 20 .
- the recessed portion 11a has a column 11b in which a thread is formed along an inner circumferential surface of an inner diameter in a corner region.
- the column 11b is provided so that the height substantially coincides with the thickness of the filter mesh 31 .
- the column 11b is provided in four places. However, the number and location are subject to change.
- the filter mesh 31 is provided in a form in which four corner areas are cut out or indented inward in order to avoid interference with the four columns 11b.
- the mounting plate 34 is provided with bolt fastening holes 34a through which bolts can be inserted in four corner areas.
- the filter mesh 31 is seated on the recessed portion 11a of the bottom plate 11 , and a mounting plate 34 is disposed on the filter mesh 31 .
- the column 11b is positioned at four corner regions of the filter mesh 31 so that the bolt fastening holes 34a of the mounting plate 34 coincide with the inner diameter of the column 11b.
- the mounting plate 34 is fixed to the column 11b using the bolt member 35 .
- the filter mesh 31 may be firmly fixed by being pressed between the four sides of the recessed portion 11a and the mounting plate 34 .
- the gas generated inside the pack housing 10 in an emergency is released into the venting hole 20 and the filter mesh 31 . ) and can be discharged to the outside, and the filter mesh 31 can block moisture or foreign substances from flowing into the pack housing 10 through the venting hole 20 in normal times.
- the filter mesh 31 is easy to assemble when applied to the venting hole 20 by integrating the resin filter layer 32 and the metal mesh network 33 into one product by insert injection, and is required for waterproofing and dustproofing than conventional ones. thickness can be reduced.
- the ESS battery pack according to the present invention may further include various devices for controlling the charging and discharging of battery cells in addition to the above-described components, such as a BMS, a relay, a current sensor, a fuse, etc. that can be built in the pack housing.
- various devices for controlling the charging and discharging of battery cells such as a BMS, a relay, a current sensor, a fuse, etc. that can be built in the pack housing.
Abstract
Description
Claims (10)
- 배터리 셀들을 수용할 수 있는 내부 공간을 구비한 팩 하우징으로서,적어도 일면에 상기 내부 공간과 연통하도록 마련되는 벤팅홀; 및상기 벤팅홀을 커버하는 홀 커버 조립체를 포함하고,상기 홀 커버 조립체는,수지로 형성된 수지 필터층과 인서트 사출에 의해 상기 수지 필터층에 일체화된 메쉬망을 구비하고 상기 벤팅홀에 개재되는 필터 메쉬; 및중앙이 빈 틀 형태로 상기 필터 메쉬의 테두리 영역을 누르며 상기 적어도 일면에 결합되게 마련되는 마운팅 플레이트를 포함하는 것을 특징으로 하는 팩 하우징.
- 제1항에 있어서,상기 적어도 일면은 상기 팩 하우징의 바닥면을 형성하는 바틈 플레이트와 상기 팩 하우징의 천정면을 형성하는 탑 플레이트 중 적어도 한 곳인 것을 특징으로 하는 팩 하우징.
- 제1항에 있어서,상기 메쉬망은 금속 소재로 형성되고, 제1 메쉬망과 상기 제1 메쉬망에서 소정 간격 떨어져서 대향하게 배치되는 제2 메쉬망을 포함하고,상기 수지 필터층은,상기 제1 메쉬망과 상기 제2 메쉬망 사이에 위치하는 것을 특징으로 하는 팩 하우징.
- 제3항에 있어서,상기 메쉬망은,상기 제1 메쉬망의 테두리 영역과 상기 제2 메쉬망의 테두리 영역에 연결되고 상기 수지 필터층을 감싸는 외곽프레임을 더 포함하는 것을 특징으로 하는 팩 하우징.
- 제1항에 있어서,상기 수지 필터층은 제1 필터층과 상기 제1 필터층에서 소정 간격 떨어져서 대향하게 배치되는 제2 필터층을 포함하고,상기 메쉬망은 금속 소재로 형성되고, 상기 제1 필터층과 상기 제2 필터층 사이에 위치하는 것을 특징으로 하는 팩 하우징.
- 제5항에 있어서,상기 메쉬망은 그 테두리 영역이 상기 제1 필터층과 상기 제2 필터층을 감싸도록 상하 방향으로 연장 형성된 것을 특징으로 하는 팩 하우징.
- 제1항에 있어서,상기 수지 필터층은 불소 수지, 폴리 우레탄 수지 및 에폭시 수지 중 적어도 하나로 이루어진 것을 특징으로 하는 팩 하우징.
- 제2항에 있어서,상기 팩 하우징은, 중공 구조로 형성되고 하단부는 상기 바틈 플레이트와 결합하고 상단부는 상기 탑 플레이트와 결합하게 마련된 하우징 본체를 포함하는 것을 특징으로 하는 팩 하우징.
- 제2항에 있어서,상기 바틈 플레이트 또는 상기 탑 플레이트는, 상기 필터 메쉬의 테두리 영역을 거치 가능하도록 상기 벤팅홀의 외곽을 따라 함몰 형성된 함몰부를 포함하고,상기 함몰부는 코너 영역에 내경의 내주면을 따라 나사산이 형성되어 있는 컬럼을 구비하고,상기 필터 메쉬는 코너 영역이 잘려나간 형태로 마련되고, 상기 마운팅 플레이트는 코너 영역에 볼트 체결공을 구비하며, 상기 볼트 체결공에 끼워지고 상기 컬럼에 체결되는 볼트부재에 의해 고정되는 것을 특징으로 하는 팩 하우징.
- 제1항 내지 제9항 중 적어도 한 항에 따른 팩 하우징을 포함하는 것을 특징으로 하는 가정용 ESS 배터리 팩.
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EP21886771.1A EP4148888A1 (en) | 2020-10-27 | 2021-10-26 | Pack housing having integrated filter mesh applied to venting hole and battery pack including same |
US17/922,992 US20230178847A1 (en) | 2020-10-27 | 2021-10-26 | Pack housing including integrated filter mesh applied to venting hole, and battery pack including the same |
AU2021368834A AU2021368834A1 (en) | 2020-10-27 | 2021-10-26 | Pack housing including integrated filter mesh applied to venting hole, and battery pack including the same |
JP2022567181A JP2023524299A (ja) | 2020-10-27 | 2021-10-26 | 一体型フィルターメッシュをベンティングホールに適用したパックハウジング及びそれを含むバッテリーパック |
CN202190000588.4U CN219658908U (zh) | 2020-10-27 | 2021-10-26 | 电池组外罩和包括该电池组外罩的能量存储系统电池组 |
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WO2024005034A1 (ja) * | 2022-06-30 | 2024-01-04 | パナソニックIpマネジメント株式会社 | 蓄電モジュール |
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KR20240033402A (ko) * | 2022-09-05 | 2024-03-12 | 주식회사 엘지에너지솔루션 | 배터리 팩 |
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EP4148888A1 (en) | 2023-03-15 |
AU2021368834A1 (en) | 2023-01-19 |
CN219658908U (zh) | 2023-09-08 |
KR20220056024A (ko) | 2022-05-04 |
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