WO2020116936A1 - Battery module comprising connector having bidirectional fastening structure - Google Patents

Battery module comprising connector having bidirectional fastening structure Download PDF

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Publication number
WO2020116936A1
WO2020116936A1 PCT/KR2019/017024 KR2019017024W WO2020116936A1 WO 2020116936 A1 WO2020116936 A1 WO 2020116936A1 KR 2019017024 W KR2019017024 W KR 2019017024W WO 2020116936 A1 WO2020116936 A1 WO 2020116936A1
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WO
WIPO (PCT)
Prior art keywords
module
fastening part
slide rail
battery module
connector
Prior art date
Application number
PCT/KR2019/017024
Other languages
French (fr)
Korean (ko)
Inventor
최영호
최현철
김혜진
Original Assignee
주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020190159240A external-priority patent/KR102321794B1/en
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US17/044,997 priority Critical patent/US11894576B2/en
Priority to JP2020552230A priority patent/JP7055483B2/en
Priority to CN201980025814.1A priority patent/CN111971817B/en
Priority to EP19891755.1A priority patent/EP3764421A4/en
Publication of WO2020116936A1 publication Critical patent/WO2020116936A1/en

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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
    • H01M50/50—Current conducting connections for cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • 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 battery module, and more particularly, to a battery module in which a module connector connected to an external connector is mounted.
  • Secondary batteries are widely applied to electric vehicles, hybrid vehicles, and power storage devices driven by electric driving sources, as well as portable devices, because of their high ease of application and high electrical energy.
  • This secondary battery is attracting attention as a new energy source for eco-friendliness and energy efficiency improvement, in that not only does not generate any by-products due to the use of energy, as well as a primary advantage that can dramatically reduce the use of fossil fuels.
  • the battery pack applied to the electric vehicle or the like has a structure in which a plurality of cell assemblies including a plurality of unit cells are connected in series to obtain high output.
  • the unit cell can be repeatedly charged and discharged by electrochemical reactions between components, including a positive electrode and a negative electrode current collector, a separator, an active material, and an electrolyte.
  • a battery module composed of at least one battery cell is configured first, and other components are added to configure the battery pack using the at least one battery module. How to do it is common.
  • the number of battery modules included in the battery pack or the number of battery cells included in the battery module may be variously set according to a required output voltage or charge/discharge capacity.
  • the battery module packs battery cells and various electric components in a module case, and has a module connector connected to an external connector for electrical connection with external devices outside the module case.
  • the external connector may be, for example, a connector for electrically connecting a plurality of battery modules.
  • the direction of the connector is predetermined for each module. Therefore, it was also required to develop a module with a symmetrical structure according to the predetermined direction of the connector. In this case, by redeveloping all the same components symmetrically, time and cost are lost, and the complexity of the process is increased.
  • the problem to be solved by the present invention is to provide a battery module capable of changing the direction of the module connector if necessary after production of the battery module by configuring the fastening structure of the module connector mounted on the battery module so that the module connector can be inserted in both directions. will be.
  • a battery module includes a cell assembly including at least one battery cell, a module case accommodating the cell assembly, and mounted outside the module case and electrically connected to the cell assembly, It includes a module connector to be connected to the external connector from the outside of the module case.
  • the coupling surface of the module connector has a first fastening part opened in at least one direction, and the corresponding coupling surface outside the module case is opened in both directions so as to be inserted in the first fastening part in the first direction or the opposite second direction. It may have a second fastening portion.
  • the first fastening part is a first slide rail fastening part
  • the second fastening part is a second slide rail fastening part
  • the first slide rail fastening part and the second slide rail fastening part are slidingly coupled to each other.
  • the second slide rail fastening part may include at least two parallel rail members, and the first slide rail fastening part may include an inner rail member configured to pass through between two rail members of the second slide rail fastening part. have.
  • the two rail members of the second slide rail fastening part may have locking protrusions protruding in opposite directions to each other.
  • the locking projections protruding from each of the two rail members may be spaced apart at a distance along the extending direction of the rail member so that the centers of each are shifted from each other.
  • the locking protrusion may have an inclined surface inclined to form an obtuse angle with respect to the insertion direction of the module connector.
  • the inner rail member of the first slide rail fastening part may include a hook configured to be fixed past two rail members of the second slide rail fastening part.
  • the two rail members of the second slide rail fastening part have first and second locking protrusions protruding in opposite directions, and each of the first and second locking protrusions has a center of each other.
  • the first locking protrusion may be positioned on the right side, and the second locking protrusion may be positioned on the left side relative to each other by a distance along the extending direction of the rail member.
  • Each of the outer inclined surfaces of the first engaging projection and the second engaging projection which are opposite to each other, form a steeper inclination angle with respect to the extending direction of the rail member than each of the inner inclined surfaces of the first engaging projection and the second engaging projection facing each other. Can be.
  • the hook is bent to one side from the end of the inner rail member, and when the first fastening part is inserted in the first direction to the second fastening part, the hook is fixed to the outer inclined surface of the second locking projection. When the first fastening part is inserted into the second fastening part in the second direction, the hook may be fixed to the outer inclined surface of the first locking protrusion.
  • the first slide rail fastening part includes at least two outer rail members extending parallel to the inner rail member, and when the module connector is coupled, the rail member of the second slide rail fastening part is outside the first slide rail fastening part. It can be sandwiched between rail members.
  • the module connector, the first fastening portion may be inserted into the second fastening portion in the first direction and fixed to a mating mating surface outside the module case.
  • the module connector, the first fastening portion may be inserted into the second fastening portion in the second direction to be fixed to a mating mating surface outside the module case.
  • a bus bar assembly that covers the cell assembly on at least one side of the module case, and electrically connects an electrode lead of the cell assembly, wherein the bus bar assembly includes the second fastening part, and the module connector is the It can be coupled to the busbar assembly.
  • the module connector may be electrically connected to the cell assembly through a flexible printed circuit (FPC).
  • FPC flexible printed circuit
  • the flexible printed circuit board connected to the module connector may be bent and extended in different directions over a plurality of times.
  • a battery pack including the at least one battery module and a pack case packaging the at least one battery module may be provided.
  • a device including the at least one battery pack may be provided.
  • FIG. 1 is a perspective view showing a battery module according to an embodiment of the present invention.
  • FIG. 2 is an enlarged perspective view showing a module connector mounted state of a battery module according to an embodiment of the present invention.
  • FIG 3 is a perspective view showing a module connector of a battery module according to an embodiment of the present invention.
  • FIG. 4 is a bottom view showing the module connector of the battery module according to an embodiment of the present invention.
  • FIG. 5 is an enlarged perspective view showing a fastening portion of a bus bar assembly in which a module connector of a battery module according to an embodiment of the present invention is mounted.
  • FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 2 and is a view illustrating a first fastening example of a module connector according to an embodiment of the present invention.
  • FIG. 7 is a perspective view showing a second fastening example of a module connector according to an embodiment of the present invention.
  • FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 7 and is a view illustrating a second fastening example of a module connector according to an embodiment of the present invention.
  • planar this means when the object part is viewed from above, and when it is referred to as “cross-sectional”, it means when the cross section of the object part vertically cut is viewed from the side.
  • FIG. 1 is a perspective view showing a battery module according to an embodiment of the present invention.
  • 2 is an enlarged perspective view illustrating a state in which a module connector 130 is mounted in a battery module according to an embodiment of the present invention.
  • the battery module 10 includes a module connector 130 mounted on the outside of the module case 150 accommodating the cell assembly 100.
  • the battery cells constituting the cell assembly 100 may be provided as a pouch-type secondary battery, and may be provided by stacking a plurality of cells in the cell assembly 100.
  • the plurality of battery cells may be electrically connected to each other, and each of the battery cells may include an electrode assembly and a battery case accommodating the same, and an electrode lead 110 protruding out of the battery case and electrically connected to the electrode assembly. .
  • the battery module 10 may include various electric components, and may include, for example, an internal circuit board (ICB) and a battery management system (BMS). Electrical components such as the ICB and the BMS board may be electrically connected to the plurality of battery cells.
  • ICB internal circuit board
  • BMS battery management system
  • the module case 150 forms the exterior of the battery module 10, and at least one side or both sides of the cell assembly 100 positioned in the direction in which the electrode leads 110 of the cell assembly 100 accommodated therein extend.
  • the insulating frame 160 may be coupled to the outside.
  • the bus bar assembly 120 may include a bus bar frame 123 disposed to cover the cell assembly 100 and a bus bar fixed to the bus bar frame 123.
  • the bus bar frame 123 is made of an insulator and includes a lead slot through which the electrode leads 110 of the cell assembly 100 can pass, and the bus bar 121 is connected to the electrode leads 110 of the cell assembly 100. It can be connected electrically.
  • the module connector 130 may be coupled to the busbar assembly 120, particularly the busbar frame 123.
  • the module connector 130 has a first fastening part 135 opened in at least one direction on a lower end engaging surface, and the bus bar frame 123 corresponds to the outside of the module case 150 so as to be coupled to the first fastening part 135 It has a second fastening portion 235 configured on the engaging surface.
  • the first fastening part 135 and the second fastening part 235 may be formed of a slide rail fastening part, hereinafter, referred to as a first slide rail fastening part and a second slide rail fastening part, respectively.
  • the present invention is not limited to this, and a module connector having a fastening portion having a bidirectional insertion structure may be included in the scope of the present invention.
  • the battery module 10 may include a flexible printed circuit board (FPC) 140 configured to sense battery cells inside the module case 150, and the flexible printed circuit board 140
  • the module case 150 is extended to the outside and is connected to the module connector 130. Accordingly, the module connector 130 may be electrically connected to the cell assembly 100 through the flexible printed circuit board 140.
  • the flexible printed circuit board 140 is formed to bend and extend in different directions over a plurality of times, the degree of freedom in the fastening process may be increased.
  • FIG. 3 is a perspective view showing a module connector of a battery module according to an embodiment of the present invention
  • Figure 4 is a bottom view showing a module connector of a battery module according to an embodiment of the present invention
  • Figure 5 is the present invention It is an enlarged perspective view showing a fastening part of a bus bar assembly to which a module connector of a battery module according to an embodiment is mounted.
  • FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 2 and is a view illustrating a first fastening example of a module connector according to an embodiment of the present invention.
  • the module connector 130 of the present embodiment has a first slide rail fastening part 135 that is opened in at least one direction on the engaging surface of the lower end.
  • the corresponding coupling surface outside the module case 150 that is, the busbar frame 123 of the busbar assembly 120 has a second slide rail fastening part 235 opened in both directions. Therefore, the first slide rail fastening part 135 may be coupled to the second slide rail fastening part 235 in a first direction or a second direction opposite thereto through the opened portion.
  • the module connector 130 can be coupled to the busbar assembly 120.
  • the module connector 130 has a first slide rail fastening part 135 in a first direction (as seen in FIG. 6) in the second slide rail fastening part 235. , From right to left) may be fixed to the corresponding coupling surface outside the module case 150 of FIG. 1.
  • the first slide rail fastening part 135 of the module connector 130 includes three parallel rail members 135a, 135b, 135c, and the second slide rail fastening part 235 of the busbar frame 123 is It includes two parallel rail members 235a, 235b.
  • the inner rail member 135b passes through between the two rail members 235a, 235b of the second slide rail fastening part 235. It can be configured as possible.
  • the two rail members 235a and 235b of the second slide rail fastening portion 235 may have locking protrusions 236 and 237 that protrude in directions opposite to each other. These locking protrusions 236 and 237 may have an inclined surface inclined in the insertion direction of the module connector 130. That is, as described above, since the module connector 130 can be inserted into the second slide rail fastening part 235 in the first direction or the second direction, the inclined surfaces of the locking protrusions 236 and 237 are both in both directions.
  • the rail member may be inclined to form an obtuse angle with respect to the extending direction.
  • the engaging projections 236 and 237 facing each other may be spaced apart at a distance along the extending direction of the rail member so that the centers of each are shifted from each other.
  • the inclination angles of the inclined surfaces facing each other may be formed more rapidly than the opposite inclined surfaces of the pair of engaging protrusions 236 and 237.
  • the inclined surfaces facing each other of the pair of locking protrusions 236 and 237 are referred to as inner inclined surfaces 236a and 237a, and the inclined surfaces that face each other (toward the opposite direction) are referred to as outer inclined surfaces 236b and 237b. do.
  • each of the outer inclined surfaces 236b and 237b of the pair of engaging projections 236 and 237 may form a steeper inclined angle with respect to the extending direction of the rail members 235a and 235b than the inner inclined surfaces 236a and 237a, respectively.
  • first locking projections 236 located on the right side of the locking projections 236 and 237 that are shifted from each other have a steeper angle of inclination of the outer inclined surface 236b than that of the inner inclined surface 236a.
  • the second locking projections 237 located on the left side of the shifting projections 236 and 237 that are shifted from each other may have a steeper inclination angle of the outer inclined surface 237b than that of the inner inclined surface 237a.
  • the inner rail member 135b of the first slide rail fastening part 135 is a hook-type rail member configured to be fixed past two rail members 235a and 235b of the second slide rail fastening part 235 Can be.
  • the end of the hook-type rail member includes a hook 136 bent to one side, and the other side of the hook 136 may be chamfered. Therefore, when the module connector 130 is coupled, the inner rail member 135b of the first slide rail fastening part 135 passes between the two rail members 235a, 235b of the second slide rail fastening part 235.
  • the hooks 136 may sequentially pass through the two locking protrusions 236 and 237 to be fixed.
  • the inside of the second locking protrusion 237 where the hook 136 is located on the left side After passing through the inclined surface 237a, it may be fixed to the outer inclined surface 237b of the second locking protrusion 237. Since the inner inclined surface 237a forms a relatively gentle inclination angle, the hook 136 is easy to pass through, and the outer inclined surface 237b forms a relatively steep inclination angle, so that the hook 136 can be firmly fixed.
  • the other side of the hook 136 is chamfered, it can easily pass through the outer inclined surface 236b of the first locking projection 236 located on the right side.
  • the first slide rail fastening portion 135 of the module connector 130 may include two outer rail members 135a and 135c extending parallel to the inner rail member 135b.
  • the rail members 235a and 235b of the second slide rail fastening part 235 may be sandwiched between the outer rail members 135a and 135c of the first slide rail fastening part 135. .
  • FIG. 7 is a perspective view showing a second fastening example of a module connector according to an embodiment of the present invention
  • FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 7, and a module according to an embodiment of the present invention It is a figure for explaining the second fastening example of the connector.
  • the first slide rail fastening part 135 is in the second direction to the second slide rail fastening part 235 (as seen in FIG. 8, from left to right) ) Can be fixed to the mating mating surface outside the module case 150 of FIG. 1. That is, as described above, the module connector 130 may be fastened to the second slide rail fastening part 235 formed on the bus bar frame 123 through the first slide rail fastening part 135. However, in the second fastening example, it is inserted and fastened from the opposite direction to the first fastening example. At this time, the flexible printed circuit board 140 extending from the cell assembly 100 is formed to be bent and extended in different directions over a plurality of times, so that it can be stretched and connected to the changed direction of the module connector 130.
  • the second slide rail fastening part 235 may be sequentially passed and fixed.
  • the inside of the first locking protrusion 236 in which the hook 136 is located on the right side After passing through the inclined surface 236a, it may be fixed to the outer inclined surface 236b of the first locking protrusion 236. Since the inner inclined surface 236a forms a relatively gentle inclination angle, the hook 136 is easy to pass through, and the outer inclined surface 236b forms a relatively steep inclination angle, so that the hook 136 can be firmly fixed.
  • the other side of the hook 136 is chamfered, it can easily pass through the outer inclined surface 237b of the second locking protrusion 237 located on the left side.
  • outer rail members 135a and 135c of the first slide rail fastening part 135 may be fitted while limiting the rail members 235a and 235b of the second slide rail fastening part 235 from the outside.
  • the direction of the module connector can be changed after production of the battery module if necessary.
  • a pair of hooking projections 236 having hooks 136 of the inner rail member 135b and outer inclined surfaces 236b and 237b forming steeper inclination angles than the inner inclined surfaces 236a and 237a.
  • the battery module according to an embodiment of the present invention may be packaged in one or more of the pack case to form a battery pack.
  • the battery module described above and the battery pack including the same can be applied to various devices.
  • a device may be applied to a transportation means such as an electric bicycle, an electric vehicle, a hybrid vehicle, etc., but the present invention is not limited thereto, and is applicable to various devices that can use a battery module and a battery pack including the same, and this invention It belongs to the scope of the invention.
  • bus bar 123 bus bar frame
  • module connector 135 first slide fastener
  • hook 140 flexible printed circuit board
  • module case 235 second slide rail fastener

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

A battery module in the present disclosure comprises: a cell assembly comprising at least one battery cell; a module case for accommodating the cell assembly; and a module connector mounted on the outside of the module case, electrically connected to the cell assembly, and connected to an external connector outside the module case. A coupling surface of the module connector has a first fastening part opened in at least one direction, and a corresponding coupling surface of the outside of the module case can have a second fastening part bidirectionally opened so as to be inserted into the first fastening part in a first direction or a second direction that is opposite to the first direction.

Description

양방향 체결 구조를 갖는 커넥터를 포함하는 전지 모듈Battery module including a connector having a bidirectional fastening structure
관련 출원(들)과의 상호 인용Cross-citation with relevant application(s)
본 출원은 2018년 12월 5일자 한국 특허 출원 제 10-2018-0155513호 및 2019년 12월 3일자 한국 특허 출원 제 10-2019-0159240호에 기초한 우선권의 이익을 주장하며, 해당 한국 특허 출원들의 문헌에 개시된 모든 내용은 본 명세서의 일부로서 포함된다.This application claims the benefit of priority based on Korean Patent Application No. 10-2018-0155513 filed on December 5, 2018 and Korean Patent Application No. 10-2019-0159240 filed on December 3, 2019. All content disclosed in the literature is incorporated as part of this specification.
본 발명은 전지 모듈에 관한 것으로, 보다 구체적으로 외부 커넥터와 연결되는 모듈 커넥터가 장착되는 전지 모듈에 관한 것이다.The present invention relates to a battery module, and more particularly, to a battery module in which a module connector connected to an external connector is mounted.
이차 전지는 제품군에 따른 적용 용이성이 높고, 높은 에너지 밀도 등의 전기적 특성을 가지기 때문에, 휴대용 기기뿐만 아니라 전기적 구동원에 의해 구동하는 전기 자동차 또는 하이브리드 자동차, 전력 저장 장치 등에 보편적으로 응용되고 있다. 이러한 이차 전지는 화석 연료의 사용을 획기적으로 감소시킬 수 있다는 일차적인 장점뿐만 아니라 에너지의 사용에 따른 부산물이 전혀 발생되지 않는다는 점에서 친환경 및 에너지 효율성 제고를 위한 새로운 에너지원으로 주목 받고 있다.Secondary batteries are widely applied to electric vehicles, hybrid vehicles, and power storage devices driven by electric driving sources, as well as portable devices, because of their high ease of application and high electrical energy. This secondary battery is attracting attention as a new energy source for eco-friendliness and energy efficiency improvement, in that not only does not generate any by-products due to the use of energy, as well as a primary advantage that can dramatically reduce the use of fossil fuels.
상기 전기 자동차 등에 적용되는 전지 팩은 고출력을 얻기 위해 복수의 단위 셀을 포함하는 다수의 셀 조립체를 직렬로 연결한 구조를 가지고 있다. 그리고, 상기 단위 셀은 양극 및 음극 집전체, 세퍼레이터, 활물질, 전해액 등을 포함하여 구성 요소들 간의 전기 화학적 반응에 의하여 반복적인 충방전이 가능하다.The battery pack applied to the electric vehicle or the like has a structure in which a plurality of cell assemblies including a plurality of unit cells are connected in series to obtain high output. In addition, the unit cell can be repeatedly charged and discharged by electrochemical reactions between components, including a positive electrode and a negative electrode current collector, a separator, an active material, and an electrolyte.
한편, 근래 에너지 저장원으로서의 활용을 비롯하여 대용량 구조에 대한 필요성이 높아지면서 다수의 이차 전지가 직렬 및/또는 병렬로 연결된 다수의 전지 모듈을 집합시킨 멀티 모듈 구조의 전지팩에 대한 수요가 증가하고 있다.Meanwhile, in recent years, as a need for a large-capacity structure has been increased, including utilization as an energy storage source, a demand for a multi-module structure battery pack in which a plurality of battery modules are connected in series and/or in parallel is increasing. .
복수개의 전지 셀을 직렬/병렬로 연결하여 전지 팩을 구성하는 경우, 적어도 하나의 전지 셀로 이루어지는 전지 모듈을 먼저 구성하고, 이러한 적어도 하나의 전지 모듈을 이용하여 기타 구성 요소를 추가하여 전지 팩을 구성하는 방법이 일반적이다. 상기 전지 팩에 포함되는 전지 모듈의 개수, 또는 전지 모듈에 포함되는 전지 셀의 개수는 요구되는 출력 전압 또는 충방전 용량에 따라 다양하게 설정될 수 있다.When a battery pack is configured by connecting a plurality of battery cells in series/parallel, a battery module composed of at least one battery cell is configured first, and other components are added to configure the battery pack using the at least one battery module. How to do it is common. The number of battery modules included in the battery pack or the number of battery cells included in the battery module may be variously set according to a required output voltage or charge/discharge capacity.
전지 모듈은 전지 셀들과 각종 전장 부품 등을 모듈 케이스 내에 패키징하며, 모듈 케이스 밖의 외부 기기 등과 전기적인 연결을 위한 외부 커넥터와 연결되는 모듈 커넥터를 구비한다. 외부 커넥터는 일례로, 복수 개의 전지 모듈들을 전기적으로 연결시키기 위한 커넥터일 수 있다.The battery module packs battery cells and various electric components in a module case, and has a module connector connected to an external connector for electrical connection with external devices outside the module case. The external connector may be, for example, a connector for electrically connecting a plurality of battery modules.
기존의 전지 모듈은 각 모듈 별로 커넥터의 방향이 미리 정해져 있다. 따라서 커넥터의 정해진 방향에 따라 대칭 구조의 모듈 개발이 요구되기도 하였다. 이 경우 동일 부품을 모두 대칭형으로 다시 개발함으로써 시간과 비용적인 손실이 발생하며, 공정의 복잡도가 증가하게 되었다.In the conventional battery module, the direction of the connector is predetermined for each module. Therefore, it was also required to develop a module with a symmetrical structure according to the predetermined direction of the connector. In this case, by redeveloping all the same components symmetrically, time and cost are lost, and the complexity of the process is increased.
본 발명이 해결하고자 하는 과제는, 전지 모듈에 장착되는 모듈 커넥터의 체결 구조를 양방향에서 모듈 커넥터가 삽입 가능하도록 구성함으로써 전지 모듈 생산 후 필요 시 모듈 커넥터의 방향을 변경할 수 있는 전지 모듈을 제공하기 위한 것이다.The problem to be solved by the present invention is to provide a battery module capable of changing the direction of the module connector if necessary after production of the battery module by configuring the fastening structure of the module connector mounted on the battery module so that the module connector can be inserted in both directions. will be.
그러나, 본 발명의 실시예들이 해결하고자 하는 과제는 상술한 과제에 한정되지 않고 본 발명에 포함된 기술적 사상의 범위에서 다양하게 확장될 수 있다.However, the problems to be solved by the embodiments of the present invention are not limited to the above-described problems and can be variously extended within the scope of the technical spirit included in the present invention.
본 발명의 일 실시예에 따른 전지 모듈은, 적어도 하나의 전지 셀을 포함하는 셀 조립체, 상기 셀 조립체를 수용하는 모듈 케이스, 및 상기 모듈 케이스 외측에 장착되고, 상기 셀 조립체와 전기적으로 연결되며, 상기 모듈 케이스 외부에서 외부 커넥터와 연결되기 위한 모듈 커넥터를 포함한다. 상기 모듈 커넥터의 결합면에는 적어도 일방향으로 개구된 제1 체결부를 가지고, 상기 모듈 케이스 외측의 대응 결합면에는 상기 제1 체결부에 제1 방향 또는 이와 반대되는 제2 방향으로 삽입되도록 양방향으로 개구된 제2 체결부를 가질 수 있다.A battery module according to an embodiment of the present invention includes a cell assembly including at least one battery cell, a module case accommodating the cell assembly, and mounted outside the module case and electrically connected to the cell assembly, It includes a module connector to be connected to the external connector from the outside of the module case. The coupling surface of the module connector has a first fastening part opened in at least one direction, and the corresponding coupling surface outside the module case is opened in both directions so as to be inserted in the first fastening part in the first direction or the opposite second direction. It may have a second fastening portion.
상기 제1 체결부는 제1 슬라이드레일 체결부이고, 상기 제2 체결부는 제2 슬라이드레일 체결부이며, 상기 제1 슬라이드레일 체결부와 상기 제2 슬라이드레일 체결부는 서로 슬라이딩 결합될 수 있다.The first fastening part is a first slide rail fastening part, the second fastening part is a second slide rail fastening part, and the first slide rail fastening part and the second slide rail fastening part are slidingly coupled to each other.
상기 제2 슬라이드레일 체결부는 적어도 2개의 평행한 레일 부재를 포함하고, 상기 제1 슬라이드레일 체결부는 상기 제2 슬라이드레일 체결부의 2개의 레일 부재 사이를 지나 결합되도록 구성되는 내측 레일 부재를 포함할 수 있다.The second slide rail fastening part may include at least two parallel rail members, and the first slide rail fastening part may include an inner rail member configured to pass through between two rail members of the second slide rail fastening part. have.
상기 제2 슬라이드레일 체결부의 2개의 레일 부재는 서로 대향하는 방향으로 각각 돌출된 걸림 돌기를 가질 수 있다.The two rail members of the second slide rail fastening part may have locking protrusions protruding in opposite directions to each other.
상기 2개의 레일 부재 각각에 돌출된 상기 걸림 돌기는 각각의 중심이 서로 어긋나도록 상기 레일 부재의 연장 방향을 따라 거리를 두고 이격될 수 있다.The locking projections protruding from each of the two rail members may be spaced apart at a distance along the extending direction of the rail member so that the centers of each are shifted from each other.
상기 걸림 돌기는 상기 모듈 커넥터의 삽입 방향에 대하여 둔각을 이루도록 경사진 경사면을 가질 수 있다.The locking protrusion may have an inclined surface inclined to form an obtuse angle with respect to the insertion direction of the module connector.
상기 제1 슬라이드레일 체결부의 내측 레일 부재는 상기 제2 슬라이드레일 체결부의 2개의 레일 부재 사이를 지나 고정되도록 구성되는 후크를 포함할 수 있다.The inner rail member of the first slide rail fastening part may include a hook configured to be fixed past two rail members of the second slide rail fastening part.
상기 제2 슬라이드레일 체결부의 2개의 레일 부재는 서로 대향하는 방향으로 각각 돌출된 제1 걸림 돌기 및 제2 걸림 돌기를 갖고, 상기 제1 걸림 돌기 및 상기 제2 걸림 돌기는, 각각의 중심이 서로 어긋나도록 상기 레일 부재의 연장 방향을 따라 거리를 두고 이격되어, 상기 제1 걸림 돌기가 상대적으로 우측에 위치하고, 상기 제2 걸림 돌기가 상대적으로 좌측에 위치할 수 있다.The two rail members of the second slide rail fastening part have first and second locking protrusions protruding in opposite directions, and each of the first and second locking protrusions has a center of each other. The first locking protrusion may be positioned on the right side, and the second locking protrusion may be positioned on the left side relative to each other by a distance along the extending direction of the rail member.
상기 제1 걸림 돌기와 상기 제2 걸림 돌기의 서로 등지는 외측 경사면 각각이, 상기 제1 걸림 돌기와 상기 제2 걸림 돌기의 서로 마주보는 내측 경사면 각각 보다 상기 레일 부재의 연장 방향에 대해 급한 경사각을 형성할 수 있다.Each of the outer inclined surfaces of the first engaging projection and the second engaging projection, which are opposite to each other, form a steeper inclination angle with respect to the extending direction of the rail member than each of the inner inclined surfaces of the first engaging projection and the second engaging projection facing each other. Can be.
상기 후크는 상기 내측 레일 부재의 단부에서 일측으로 구부러지며, 상기 제1 체결부가 상기 제2 체결부에 상기 제1 방향으로 삽입될 때, 상기 후크가 상기 제2 걸림 돌기의 상기 외측 경사면에 고정되며, 상기 제1 체결부가 상기 제2 체결부에 상기 제2 방향으로 삽입될 때, 상기 후크가 상기 제1 걸림 돌기의 상기 외측 경사면에 고정될 수 있다.The hook is bent to one side from the end of the inner rail member, and when the first fastening part is inserted in the first direction to the second fastening part, the hook is fixed to the outer inclined surface of the second locking projection. When the first fastening part is inserted into the second fastening part in the second direction, the hook may be fixed to the outer inclined surface of the first locking protrusion.
상기 제1 슬라이드레일 체결부는 상기 내측 레일 부재와 평행하게 연장하는 적어도 2개의 외측 레일 부재를 포함하고, 상기 모듈 커넥터 결합 시, 상기 제2 슬라이드레일 체결부의 레일 부재는 상기 제1 슬라이드레일 체결부의 외측 레일 부재 사이에 끼워질 수 있다.The first slide rail fastening part includes at least two outer rail members extending parallel to the inner rail member, and when the module connector is coupled, the rail member of the second slide rail fastening part is outside the first slide rail fastening part. It can be sandwiched between rail members.
상기 모듈 커넥터는, 상기 제1 체결부가 상기 제2 체결부에 상기 제1 방향으로 삽입되어 상기 모듈 케이스 외측의 대응 결합면에 고정될 수 있다.The module connector, the first fastening portion may be inserted into the second fastening portion in the first direction and fixed to a mating mating surface outside the module case.
상기 모듈 커넥터는, 상기 제1 체결부가 상기 제2 체결부에 상기 제2 방향으로 삽입되어 상기 모듈 케이스 외측의 대응 결합면에 고정될 수 있다.The module connector, the first fastening portion may be inserted into the second fastening portion in the second direction to be fixed to a mating mating surface outside the module case.
상기 모듈 케이스의 적어도 일측에서 상기 셀 조립체를 커버하며, 상기 셀 조립체의 전극 리드를 전기적으로 연결하는 버스바 조립체를 포함하고, 상기 버스바 조립체는 상기 제2 체결부를 포함하며, 상기 모듈 커넥터는 상기 버스바 조립체에 결합될 수 있다.A bus bar assembly that covers the cell assembly on at least one side of the module case, and electrically connects an electrode lead of the cell assembly, wherein the bus bar assembly includes the second fastening part, and the module connector is the It can be coupled to the busbar assembly.
상기 모듈 커넥터는 상기 셀 조립체와 연성 인쇄 회로 기판(Flexible Printed Circuit, FPC)을 통해서 전기적으로 연결될 수 있다.The module connector may be electrically connected to the cell assembly through a flexible printed circuit (FPC).
상기 모듈 커넥터와 연결되는 상기 연성 인쇄 회로 기판은 복수 회에 걸쳐 서로 다른 방향으로 구부러지며 연장할 수 있다.The flexible printed circuit board connected to the module connector may be bent and extended in different directions over a plurality of times.
본 발명의 다른 일 실시예에 따르면, 상기 적어도 하나의 전지 모듈, 및 상기 적어도 하나의 전지 모듈을 패키징하는 팩 케이스를 포함하는 전지 팩이 제공될 수 있다.According to another embodiment of the present invention, a battery pack including the at least one battery module and a pack case packaging the at least one battery module may be provided.
본 발명의 또 다른 일 실시예에 따르면, 상기 적어도 하나의 전지 팩을 포함하는 디바이스가 제공될 수 있다.According to another embodiment of the present invention, a device including the at least one battery pack may be provided.
실시예에 따르면, 양방향에서 삽입하여 결합할 수 있는 체결 구조를 갖는 커넥터를 전지 모듈에 적용함으로써, 전지 모듈 생산 후 필요 시 모듈 커넥터의 방향을 변경할 수 있다.According to the embodiment, by applying a connector having a fastening structure that can be inserted and coupled in both directions to the battery module, it is possible to change the direction of the module connector if necessary after production of the battery module.
도 1은 본 발명의 일 실시예에 따른 전지 모듈을 나타내는 사시도이다.1 is a perspective view showing a battery module according to an embodiment of the present invention.
도 2는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터 장착 상태를 확대하여 도시한 사시도이다.2 is an enlarged perspective view showing a module connector mounted state of a battery module according to an embodiment of the present invention.
도 3은 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터를 도시한 사시도이다.3 is a perspective view showing a module connector of a battery module according to an embodiment of the present invention.
도 4는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터를 도시한 저면도이다.4 is a bottom view showing the module connector of the battery module according to an embodiment of the present invention.
도 5는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터가 장착되는 버스바 조립체의 체결부를 확대하여 도시한 사시도이다.5 is an enlarged perspective view showing a fastening portion of a bus bar assembly in which a module connector of a battery module according to an embodiment of the present invention is mounted.
도 6은 도 2의 VI-VI선을 따라 잘라서 본 단면도로서, 본 발명의 일 실시예에 따른 모듈 커넥터의 제1 체결예를 설명하기 위하여 도시한 도면이다.6 is a cross-sectional view taken along line VI-VI of FIG. 2 and is a view illustrating a first fastening example of a module connector according to an embodiment of the present invention.
도 7은 본 발명의 일 실시예에 따른 모듈 커넥터의 제2 체결예를 도시한 사시도이다.7 is a perspective view showing a second fastening example of a module connector according to an embodiment of the present invention.
도 8은 도 7의 VIII-VIII선을 따라 잘라서 본 단면도로서, 본 발명의 일 실시예에 따른 모듈 커넥터의 제2 체결예를 설명하기 위하여 도시한 도면이다.8 is a cross-sectional view taken along line VIII-VIII of FIG. 7 and is a view illustrating a second fastening example of a module connector according to an embodiment of the present invention.
이하, 첨부한 도면을 참고로 하여 본 발명의 여러 실시예들에 대하여 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 상세히 설명한다. 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예들에 한정되지 않는다.Hereinafter, various embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. The present invention can be implemented in many different forms and is not limited to the embodiments described herein.
또한, 명세서 전체에서, 어떤 부분이 어떤 구성요소를 "포함" 한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다.Also, in the specification, when a part “includes” a certain component, this means that other components may be further included instead of excluding other components, unless otherwise stated.
또한, 명세서 전체에서, "평면상"이라 할 때, 이는 대상 부분을 위에서 보았을 때를 의미하며, "단면상"이라 할 때, 이는 대상 부분을 수직으로 자른 단면을 옆에서 보았을 때를 의미한다.In addition, throughout the specification, when referred to as "planar", this means when the object part is viewed from above, and when it is referred to as "cross-sectional", it means when the cross section of the object part vertically cut is viewed from the side.
도 1은 본 발명의 일 실시예에 따른 전지 모듈을 나타내는 사시도이다. 도 2는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터(130) 장착 상태를 확대하여 도시한 사시도이다.1 is a perspective view showing a battery module according to an embodiment of the present invention. 2 is an enlarged perspective view illustrating a state in which a module connector 130 is mounted in a battery module according to an embodiment of the present invention.
도 1 및 도 2를 참조하면, 본 실시예에 따른 전지 모듈(10)은 셀 조립체(100)를 수용하는 모듈 케이스(150)의 외측에 장착되는 모듈 커넥터(130)를 포함한다. 셀 조립체(100)를 구성하는 전지 셀은 파우치형 이차 전지로 구비될 수 있고, 셀 조립체(100) 내에 복수 개로 적층되어 구비될 수 있다. 상기 복수 개의 전지 셀들은 서로 전기적으로 연결될 수 있고, 전지 셀 각각은 전극 조립체와 이를 수용하는 전지 케이스 및 상기 전지 케이스 밖으로 돌출되며 상기 전극 조립체와 전기적으로 연결되는 전극 리드(110)를 포함할 수 있다.1 and 2, the battery module 10 according to the present embodiment includes a module connector 130 mounted on the outside of the module case 150 accommodating the cell assembly 100. The battery cells constituting the cell assembly 100 may be provided as a pouch-type secondary battery, and may be provided by stacking a plurality of cells in the cell assembly 100. The plurality of battery cells may be electrically connected to each other, and each of the battery cells may include an electrode assembly and a battery case accommodating the same, and an electrode lead 110 protruding out of the battery case and electrically connected to the electrode assembly. .
전지 모듈(10)은 각종 전장 부품들을 포함할 수 있으며, 일례로 ICB (Internal Circuit Board) 및 BMS (Battery Management System) 등을 포함할 수 있다. 상기 ICB 및 BMS 보드 등의 전장 부품들은 상기 복수 개의 전지 셀들과 전기적으로 연결될 수 있다.The battery module 10 may include various electric components, and may include, for example, an internal circuit board (ICB) and a battery management system (BMS). Electrical components such as the ICB and the BMS board may be electrically connected to the plurality of battery cells.
모듈 케이스(150)는 전지 모듈(10)의 외관을 형성하며, 내부에 수용되는 셀 조립체(100)의 전극 리드(110)들이 연장하는 방향에 위치하는 셀 조립체(100)의 적어도 일측 또는 양쪽면에 버스바 조립체(120)가 결합되고, 그 외측으로 절연 프레임(160)이 결합될 수 있다. 버스바 조립체(120)는 셀 조립체(100)를 커버하도록 배치되는 버스바 프레임(123)과, 버스바 프레임(123)에 고정되는 버스바를 포함할 수 있다. 버스바 프레임(123)은 절연체로 이루어져 셀 조립체(100)의 전극 리드(110)들이 통과할 수 있는 리드 슬롯을 포함하며, 버스바(121)는 셀 조립체(100)의 전극 리드(110)를 전기적으로 연결할 수 있다.The module case 150 forms the exterior of the battery module 10, and at least one side or both sides of the cell assembly 100 positioned in the direction in which the electrode leads 110 of the cell assembly 100 accommodated therein extend. To the bus bar assembly 120 is coupled, the insulating frame 160 may be coupled to the outside. The bus bar assembly 120 may include a bus bar frame 123 disposed to cover the cell assembly 100 and a bus bar fixed to the bus bar frame 123. The bus bar frame 123 is made of an insulator and includes a lead slot through which the electrode leads 110 of the cell assembly 100 can pass, and the bus bar 121 is connected to the electrode leads 110 of the cell assembly 100. It can be connected electrically.
도 2를 참조하면, 모듈 커넥터(130)는 버스바 조립체(120), 특히 버스바 프레임(123)에 결합될 수 있다. 모듈 커넥터(130)는 하단부 결합면에 적어도 일방향으로 개구된 제1 체결부(135)를 가지고, 버스바 프레임(123)은 제1 체결부(135)에 결합되도록 모듈 케이스(150) 외측의 대응 결합면에 구성된 제2 체결부(235)를 갖는다. 본 실시예에서 제1 체결부(135)와 제2 체결부(235)는 슬라이드레일 체결부로 이루어질 수 있으며, 이하에서는 각각 제1 슬라이드레일 체결부 및 제2 슬라이드레일 체결부로 명명하여 설명한다. 그러나 본 발명은 이에 한정되지 않으며 양방향 삽입이 가능한 구조의 체결부를 갖는 모듈 커넥터는 본 발명의 범위에 포함될 수 있다.Referring to FIG. 2, the module connector 130 may be coupled to the busbar assembly 120, particularly the busbar frame 123. The module connector 130 has a first fastening part 135 opened in at least one direction on a lower end engaging surface, and the bus bar frame 123 corresponds to the outside of the module case 150 so as to be coupled to the first fastening part 135 It has a second fastening portion 235 configured on the engaging surface. In this embodiment, the first fastening part 135 and the second fastening part 235 may be formed of a slide rail fastening part, hereinafter, referred to as a first slide rail fastening part and a second slide rail fastening part, respectively. However, the present invention is not limited to this, and a module connector having a fastening portion having a bidirectional insertion structure may be included in the scope of the present invention.
한편, 전지 모듈(10)은 모듈 케이스(150) 내부에서 전지 셀들을 센싱하도록 구성된 연성 인쇄 회로 기판(Flexible Printed Circuit, FPC)(140)을 포함할 수 있으며, 이러한 연성 인쇄 회로 기판(140)은 모듈 케이스(150) 외부로 연장되어 모듈 커넥터(130)와 연결된다. 따라서 모듈 커넥터(130)는 상기 셀 조립체(100)와 연성 인쇄 회로 기판(140)를 통해서 전기적으로 연결될 수 있다. 그리고 연성 인쇄 회로 기판(140)은 복수 회에 걸쳐 서로 다른 방향으로 구부러지며 연장하도록 형성되므로, 체결 공정에서의 자유도가 증가할 수 있다.On the other hand, the battery module 10 may include a flexible printed circuit board (FPC) 140 configured to sense battery cells inside the module case 150, and the flexible printed circuit board 140 The module case 150 is extended to the outside and is connected to the module connector 130. Accordingly, the module connector 130 may be electrically connected to the cell assembly 100 through the flexible printed circuit board 140. In addition, since the flexible printed circuit board 140 is formed to bend and extend in different directions over a plurality of times, the degree of freedom in the fastening process may be increased.
도 3은 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터를 도시한 사시도이고, 도 4는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터를 도시한 저면도이며, 도 5는 본 발명의 일 실시예에 따른 전지 모듈의 모듈 커넥터가 장착되는 버스바 조립체의 체결부를 확대하여 도시한 사시도이다. 그리고 도 6은 도 2의 VI-VI선을 따라 잘라서 본 단면도로서, 본 발명의 일 실시예에 따른 모듈 커넥터의 제1 체결예를 설명하기 위하여 도시한 도면이다.3 is a perspective view showing a module connector of a battery module according to an embodiment of the present invention, Figure 4 is a bottom view showing a module connector of a battery module according to an embodiment of the present invention, Figure 5 is the present invention It is an enlarged perspective view showing a fastening part of a bus bar assembly to which a module connector of a battery module according to an embodiment is mounted. And FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. 2 and is a view illustrating a first fastening example of a module connector according to an embodiment of the present invention.
도 3 및 도 4를 참조하면, 본 실시예의 모듈 커넥터(130)는 하단부의 결합면에 적어도 일방향으로 개구된 제1 슬라이드레일 체결부(135)를 가진다. 도 5를 참조하면 모듈 케이스(150) 외측의 대응 결합면, 즉 버스바 조립체(120)의 버스바 프레임(123)에는 양방향으로 개구된 제2 슬라이드레일 체결부(235)를 갖는다. 따라서 제1 슬라이드레일 체결부(135)는 상기 개구된 부분을 통해 제1 방향 또는 이와 반대되는 제2 방향으로 제2 슬라이드레일 체결부(235)에 결합될 수 있다. 이로써 모듈 커넥터(130)는 버스바 조립체(120)에 결합될 수 있다. 제1 체결예에서, 도 6에 도시된 바와 같이, 모듈 커넥터(130)는, 제1 슬라이드레일 체결부(135)가 제2 슬라이드레일 체결부(235)에 제1 방향(도 6에서 볼 때, 우측에서 좌측 방향)으로 삽입되어 도 1의 모듈 케이스(150) 외측의 대응 결합면에 고정될 수 있다.3 and 4, the module connector 130 of the present embodiment has a first slide rail fastening part 135 that is opened in at least one direction on the engaging surface of the lower end. Referring to FIG. 5, the corresponding coupling surface outside the module case 150, that is, the busbar frame 123 of the busbar assembly 120 has a second slide rail fastening part 235 opened in both directions. Therefore, the first slide rail fastening part 135 may be coupled to the second slide rail fastening part 235 in a first direction or a second direction opposite thereto through the opened portion. Thus, the module connector 130 can be coupled to the busbar assembly 120. In the first fastening example, as shown in FIG. 6, the module connector 130 has a first slide rail fastening part 135 in a first direction (as seen in FIG. 6) in the second slide rail fastening part 235. , From right to left) may be fixed to the corresponding coupling surface outside the module case 150 of FIG. 1.
모듈 커넥터(130)의 제1 슬라이드레일 체결부(135)는 3개의 평행한 레일 부재(135a, 135b, 135c)를 포함하고, 버스바 프레임(123)의 제2 슬라이드레일 체결부(235)는 2개의 평행한 레일 부재(235a, 235b)를 포함한다. 제1 슬라이드레일 체결부(135)의 레일 부재(135a, 135b, 135c) 중에서 내측 레일 부재(135b)는 제2 슬라이드레일 체결부(235)의 2개의 레일 부재(235a, 235b) 사이를 지나 결합되도록 구성될 수 있다.The first slide rail fastening part 135 of the module connector 130 includes three parallel rail members 135a, 135b, 135c, and the second slide rail fastening part 235 of the busbar frame 123 is It includes two parallel rail members 235a, 235b. Among the rail members 135a, 135b, and 135c of the first slide rail fastening part 135, the inner rail member 135b passes through between the two rail members 235a, 235b of the second slide rail fastening part 235. It can be configured as possible.
제2 슬라이드레일 체결부(235)의 2개의 레일 부재(235a, 235b)는 서로 대향하는 방향으로 각각 돌출된 걸림 돌기(236, 237)를 가질 수 있다. 이들 걸림 돌기(236, 237)는 모듈 커넥터(130)의 삽입 방향으로 경사진 경사면을 가질 수 있다. 즉, 상기한 바와 같이, 제2 슬라이드레일 체결부(235)에는 모듈 커넥터(130)가 제1 방향 또는 제2 방향으로 삽입 가능하므로, 걸림 돌기(236, 237)의 상기 경사면은 양 방향으로 모두 상기 레일 부재의 연장 방향에 대하여 둔각을 이루도록 경사져 형성될 수 있다. 또한 서로 대향하는 걸림 돌기(236, 237)는 각각의 중심이 서로 어긋나도록 상기 레일 부재의 연장 방향을 따라 거리를 두고 이격될 수 있다. 그리고 한 쌍의 걸림 돌기(236, 237)의 마주보는 경사면들보다 서로 등지고 있는(반대 방향을 향하는) 경사면들의 경사각이 더 급하게 형성될 수 있다. 여기서, 한 쌍의 걸림 돌기(236, 237)의 서로 마주보는 경사면을 내측 경사면(236a, 237a)라 지칭하고, 서로 등지는(반대 방향을 향하는) 경사면을 외측 경사면(236b, 237b)라고 지칭하도록 한다. 즉, 한 쌍의 걸림 돌기(236, 237)의 외측 경사면(236b, 237b) 각각이 내측 경사면(236a, 237a) 각각 보다 레일 부재(235a, 235b)의 연장 방향에 대해 급한 경사각을 형성할 수 있다.The two rail members 235a and 235b of the second slide rail fastening portion 235 may have locking protrusions 236 and 237 that protrude in directions opposite to each other. These locking protrusions 236 and 237 may have an inclined surface inclined in the insertion direction of the module connector 130. That is, as described above, since the module connector 130 can be inserted into the second slide rail fastening part 235 in the first direction or the second direction, the inclined surfaces of the locking protrusions 236 and 237 are both in both directions. The rail member may be inclined to form an obtuse angle with respect to the extending direction. In addition, the engaging projections 236 and 237 facing each other may be spaced apart at a distance along the extending direction of the rail member so that the centers of each are shifted from each other. In addition, the inclination angles of the inclined surfaces facing each other (toward the opposite direction) may be formed more rapidly than the opposite inclined surfaces of the pair of engaging protrusions 236 and 237. Here, the inclined surfaces facing each other of the pair of locking protrusions 236 and 237 are referred to as inner inclined surfaces 236a and 237a, and the inclined surfaces that face each other (toward the opposite direction) are referred to as outer inclined surfaces 236b and 237b. do. That is, each of the outer inclined surfaces 236b and 237b of the pair of engaging projections 236 and 237 may form a steeper inclined angle with respect to the extending direction of the rail members 235a and 235b than the inner inclined surfaces 236a and 237a, respectively. .
구체적으로, 중심이 서로 어긋난 걸림 돌기(236, 237)들 중 상대적으로 우측에 위치한 제1 걸림 돌기(236)는 외측 경사면(236b)의 경사각이 내측 경사면(236a)의 경사각보다 급하게 형성되며, 중심이 서로 어긋난 걸림 돌기(236, 237) 중 상대적으로 좌측에 위치한 제2 걸림 돌기(237)는 외측 경사면(237b)의 경사각이 내측 경사면(237a)의 경사각보다 급하게 형성될 수 있다.Specifically, the first locking projections 236 located on the right side of the locking projections 236 and 237 that are shifted from each other have a steeper angle of inclination of the outer inclined surface 236b than that of the inner inclined surface 236a. The second locking projections 237 located on the left side of the shifting projections 236 and 237 that are shifted from each other may have a steeper inclination angle of the outer inclined surface 237b than that of the inner inclined surface 237a.
한편, 제1 슬라이드레일 체결부(135)의 내측 레일 부재(135b)는 제2 슬라이드레일 체결부(235)의 2개의 레일 부재(235a, 235b) 사이를 지나 고정되도록 구성되는 후크형 레일 부재일 수 있다. 후크형 레일 부재의 단부는 일측으로 구부러진 후크(136)를 포함하고, 후크(136)의 다른 일측은 모따기 되어 있을 수 있다. 따라서 모듈 커넥터(130) 결합 시, 제1 슬라이드레일 체결부(135)의 내측 레일 부재(135b)는 제2 슬라이드레일 체결부(235)의 2개의 레일 부재(235a, 235b) 사이를 지나면서 상기 두 개의 걸림 돌기(236, 237)를 후크(136)가 순차적으로 통과하여 고정될 수 있다.Meanwhile, the inner rail member 135b of the first slide rail fastening part 135 is a hook-type rail member configured to be fixed past two rail members 235a and 235b of the second slide rail fastening part 235 Can be. The end of the hook-type rail member includes a hook 136 bent to one side, and the other side of the hook 136 may be chamfered. Therefore, when the module connector 130 is coupled, the inner rail member 135b of the first slide rail fastening part 135 passes between the two rail members 235a, 235b of the second slide rail fastening part 235. The hooks 136 may sequentially pass through the two locking protrusions 236 and 237 to be fixed.
구체적으로, 제1 방향(도 6에서 볼 때, 우측에서 좌측 방향)으로 제1 슬라이드레일 체결부(135)가 삽입될 때, 후크(136)가 좌측에 위치한 제2 걸림 돌기(237)의 내측 경사면(237a)을 통과한 후, 제2 걸림 돌기(237)의 외측 경사면(237b)에 고정될 수 있다. 내측 경사면(237a)은 상대적으로 완만한 경사각을 형성하므로 후크(136)가 통과하기 용이하며, 외측 경사면(237b)은 상대적으로 급한 경사각을 형성하므로 후크(136)가 견고하게 고정될 수 있다.Specifically, when the first slide rail fastening portion 135 is inserted in the first direction (as seen in FIG. 6, from right to left), the inside of the second locking protrusion 237 where the hook 136 is located on the left side After passing through the inclined surface 237a, it may be fixed to the outer inclined surface 237b of the second locking protrusion 237. Since the inner inclined surface 237a forms a relatively gentle inclination angle, the hook 136 is easy to pass through, and the outer inclined surface 237b forms a relatively steep inclination angle, so that the hook 136 can be firmly fixed.
아울러, 후크(136)의 다른 일측은 모따기 되어 있으므로, 우측에 위치한 제1 걸림 돌기(236)의 외측 경사면(236b)을 쉽게 통과할 수 있다.In addition, since the other side of the hook 136 is chamfered, it can easily pass through the outer inclined surface 236b of the first locking projection 236 located on the right side.
모듈 커넥터(130)의 제1 슬라이드레일 체결부(135)는 내측 레일 부재(135b)와 평행하게 연장하는 2개의 외측 레일 부재(135a, 135c)를 포함할 수 있다. 모듈 커넥터(130) 결합 시, 제2 슬라이드레일 체결부(235)의 레일 부재(235a, 235b)는 제1 슬라이드레일 체결부(135)의 외측 레일 부재(135a, 135c) 사이에 끼워질 수 있다.The first slide rail fastening portion 135 of the module connector 130 may include two outer rail members 135a and 135c extending parallel to the inner rail member 135b. When the module connector 130 is coupled, the rail members 235a and 235b of the second slide rail fastening part 235 may be sandwiched between the outer rail members 135a and 135c of the first slide rail fastening part 135. .
도 7은 본 발명의 일 실시예에 따른 모듈 커넥터의 제2 체결예를 도시한 사시도이고, 도 8은 도 7의 VIII-VIII선을 따라 잘라서 본 단면도로서, 본 발명의 일 실시예에 따른 모듈 커넥터의 제2 체결예를 설명하기 위하여 도시한 도면이다.7 is a perspective view showing a second fastening example of a module connector according to an embodiment of the present invention, and FIG. 8 is a cross-sectional view taken along line VIII-VIII of FIG. 7, and a module according to an embodiment of the present invention It is a figure for explaining the second fastening example of the connector.
도 7 및 도 8을 참조하면, 모듈 커넥터(130)는, 제1 슬라이드레일 체결부(135)가 제2 슬라이드레일 체결부(235)에 제2 방향(도 8에서 볼 때, 좌측에서 우측방향)으로 삽입되어 도 1의 모듈 케이스(150) 외측의 대응 결합면에 고정될 수 있다. 즉, 상기에서 설명한 바와 같이, 모듈 커넥터(130)는 버스바 프레임(123)에 형성되는 제2 슬라이드레일 체결부(235)에 제1 슬라이드레일 체결부(135)를 통해서 체결될 수 있다. 다만 본 제2 체결예에서는 상기 제1 체결예와 반대 방향으로부터 삽입되어 체결된다. 이 때에도 상기 셀 조립체(100)로부터 연장되는 연성 인쇄 회로 기판(140)은 복수 회에 걸쳐 서로 다른 방향으로 구부러지며 연장하도록 형성되므로 모듈 커넥터(130)의 변경된 방향에 맞춰 신축되어 연결될 수 있다.7 and 8, in the module connector 130, the first slide rail fastening part 135 is in the second direction to the second slide rail fastening part 235 (as seen in FIG. 8, from left to right) ) Can be fixed to the mating mating surface outside the module case 150 of FIG. 1. That is, as described above, the module connector 130 may be fastened to the second slide rail fastening part 235 formed on the bus bar frame 123 through the first slide rail fastening part 135. However, in the second fastening example, it is inserted and fastened from the opposite direction to the first fastening example. At this time, the flexible printed circuit board 140 extending from the cell assembly 100 is formed to be bent and extended in different directions over a plurality of times, so that it can be stretched and connected to the changed direction of the module connector 130.
또한 모듈 케이스(150)에 형성되는 제1 슬라이드레일 체결부(135)의 내측 레일 부재(135b)의 후크(136)는 제2 방향으로 삽입되는 경우에도, 제2 슬라이드레일 체결부(235)의 레일 부재(235a, 235b)에 형성되는 두 개의 걸림 돌기(236, 237)를 순차적으로 통과하여 고정될 수 있다.In addition, even if the hook 136 of the inner rail member 135b of the first slide rail fastening part 135 formed in the module case 150 is inserted in the second direction, the second slide rail fastening part 235 The two locking protrusions 236 and 237 formed on the rail members 235a and 235b may be sequentially passed and fixed.
구체적으로, 제2 방향(도 8에서 볼 때, 좌측에서 우측방향)으로 제1 슬라이드레일 체결부(135)가 삽입될 때, 후크(136)가 우측에 위치한 제1 걸림 돌기(236)의 내측 경사면(236a)을 통과한 후, 제1 걸림 돌기(236)의 외측 경사면(236b)에 고정될 수 있다. 내측 경사면(236a)은 상대적으로 완만한 경사각을 형성하므로 후크(136)가 통과하기 용이하며, 외측 경사면(236b)은 상대적으로 급한 경사각을 형성하므로 후크(136)가 견고하게 고정될 수 있다.Specifically, when the first slide rail fastening part 135 is inserted in the second direction (as seen in FIG. 8, from left to right), the inside of the first locking protrusion 236 in which the hook 136 is located on the right side After passing through the inclined surface 236a, it may be fixed to the outer inclined surface 236b of the first locking protrusion 236. Since the inner inclined surface 236a forms a relatively gentle inclination angle, the hook 136 is easy to pass through, and the outer inclined surface 236b forms a relatively steep inclination angle, so that the hook 136 can be firmly fixed.
아울러, 후크(136)의 다른 일측은 모따기 되어 있으므로, 좌측에 위치한 제2 걸림 돌기(237)의 외측 경사면(237b)을 쉽게 통과할 수 있다.In addition, since the other side of the hook 136 is chamfered, it can easily pass through the outer inclined surface 237b of the second locking protrusion 237 located on the left side.
또한, 제1 슬라이드레일 체결부(135)의 외측 레일 부재(135a, 135c)는 제2 슬라이드레일 체결부(235)의 레일 부재(235a, 235b)를 외곽에서 한정하며 끼워질 수 있다.In addition, the outer rail members 135a and 135c of the first slide rail fastening part 135 may be fitted while limiting the rail members 235a and 235b of the second slide rail fastening part 235 from the outside.
이처럼 본 발명의 실시예에 따르면, 양방향에서 삽입하여 결합할 수 있는 체결 구조를 갖는 커넥터를 전지 모듈에 적용함으로써, 전지 모듈 생산 후 필요 시 모듈 커넥터의 방향을 변경할 수 있다.According to the embodiment of the present invention, by applying a connector having a fastening structure that can be inserted and coupled in both directions to the battery module, the direction of the module connector can be changed after production of the battery module if necessary.
특히, 상술한 바와 같이, 내측 레일 부재(135b)의 후크(136)와 내측 경사면(236a, 237a)보다 급한 경사각을 형성하는 외측 경사면(236b, 237b)을 구비한 한 쌍의 걸림 돌기(236, 237)를 통해, 모듈 커넥터(130)의 양방향 삽입 및 삽입 시의 견고한 결합을 모두 구현할 수 있다.In particular, as described above, a pair of hooking projections 236 having hooks 136 of the inner rail member 135b and outer inclined surfaces 236b and 237b forming steeper inclination angles than the inner inclined surfaces 236a and 237a. Through 237), it is possible to implement both of the two-way insertion of the module connector 130 and the rigid coupling upon insertion.
한편, 본 발명의 실시예에 따른 전지 모듈은 하나 또는 그 이상이 팩 케이스 내에 패키징되어 전지 팩을 형성할 수 있다.On the other hand, the battery module according to an embodiment of the present invention may be packaged in one or more of the pack case to form a battery pack.
앞에서 설명한 전지 모듈 및 이를 포함하는 전지 팩은 다양한 디바이스에 적용될 수 있다. 이러한 디바이스에는, 전기 자전거, 전기 자동차, 하이브리드 자동차 등의 운송 수단에 적용될 수 있으나, 본 발명은 이에 제한되지 않고 전지 모듈 및 이를 포함하는 전지 팩을 사용할 수 있는 다양한 디바이스에 적용 가능하며, 이 또한 본 발명의 권리범위에 속한다.The battery module described above and the battery pack including the same can be applied to various devices. Such a device may be applied to a transportation means such as an electric bicycle, an electric vehicle, a hybrid vehicle, etc., but the present invention is not limited thereto, and is applicable to various devices that can use a battery module and a battery pack including the same, and this invention It belongs to the scope of the invention.
이상에서 본 발명의 바람직한 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concept of the present invention defined in the following claims are also provided. It belongs to the scope of rights.
[부호의 설명][Description of codes]
10: 전지 모듈 100: 셀 조립체10: battery module 100: cell assembly
110: 전극 리드 120: 버스바 조립체110: electrode lead 120: bus bar assembly
121: 버스바 123: 버스바 프레임121: bus bar 123: bus bar frame
130: 모듈 커넥터 135: 제1 슬라이드 체결부130: module connector 135: first slide fastener
135a, 135c: 제1 슬라이드 체결부의 외측 레일 부재135a, 135c: outer rail member of the first slide fastening part
135b: 제1 슬라이드 체결부의 내측 레일 부재135b: inner rail member of the first slide fastening part
136: 후크 140: 연성 인쇄 회로 기판136: hook 140: flexible printed circuit board
150: 모듈 케이스 235: 제2 슬라이드레일 체결부150: module case 235: second slide rail fastener
235a, 235b: 제2 슬라이드레일 체결부의 레일 부재235a, 235b: rail member of the second slide rail fastening
236, 237: 걸림 돌기236, 237: jam

Claims (18)

  1. 적어도 하나의 전지 셀을 포함하는 셀 조립체;A cell assembly comprising at least one battery cell;
    상기 셀 조립체를 수용하는 모듈 케이스; 및A module case accommodating the cell assembly; And
    상기 모듈 케이스 외측에 장착되고, 상기 셀 조립체와 전기적으로 연결되며, 상기 모듈 케이스 외부에서 외부 커넥터와 연결되기 위한 모듈 커넥터A module connector mounted on the outside of the module case, electrically connected to the cell assembly, and connected to an external connector outside the module case
    를 포함하고,Including,
    상기 모듈 커넥터의 결합면에는 적어도 일방향으로 개구된 제1 체결부를 가지고, 상기 모듈 케이스 외측의 대응 결합면에는 상기 제1 체결부에 제1 방향 또는 이와 반대되는 제2 방향으로 삽입되도록 양방향으로 개구된 제2 체결부를 갖는, 전지 모듈.The coupling surface of the module connector has a first fastening part opened in at least one direction, and the corresponding coupling surface outside the module case is opened in both directions so as to be inserted in the first fastening part in the first direction or the opposite second direction. A battery module having a second fastening portion.
  2. 제1항에 있어서,According to claim 1,
    상기 제1 체결부는 제1 슬라이드레일 체결부이고,The first fastening part is a first slide rail fastening part,
    상기 제2 체결부는 제2 슬라이드레일 체결부이며,The second fastening part is a second slide rail fastening part,
    상기 제1 슬라이드레일 체결부와 상기 제2 슬라이드레일 체결부는 서로 슬라이딩 결합될 수 있는, 전지 모듈.The first slide rail fastening portion and the second slide rail fastening portion can be slidingly coupled to each other, the battery module.
  3. 제2항에 있어서,According to claim 2,
    상기 제2 슬라이드레일 체결부는 적어도 2개의 평행한 레일 부재를 포함하고,The second slide rail fastening portion includes at least two parallel rail members,
    상기 제1 슬라이드레일 체결부는 상기 제2 슬라이드레일 체결부의 2개의 레일 부재 사이를 지나 결합되도록 구성되는 내측 레일 부재를 포함하는, 전지 모듈.The first slide rail fastening portion includes an inner rail member configured to be coupled past two rail members of the second slide rail fastening part, the battery module.
  4. 제3항에 있어서,According to claim 3,
    상기 제2 슬라이드레일 체결부의 2개의 레일 부재는 서로 대향하는 방향으로 각각 돌출된 걸림 돌기를 갖는, 전지 모듈.The two rail members of the second slide rail fastening part have locking protrusions protruding in opposite directions to each other, the battery module.
  5. 제4항에 있어서,The method of claim 4,
    상기 2개의 레일 부재 각각에 돌출된 상기 걸림 돌기는 각각의 중심이 서로 어긋나도록 상기 레일 부재의 연장 방향을 따라 거리를 두고 이격된, 전지 모듈.The battery module, which is spaced apart at a distance along the extending direction of the rail member so that the center of each of the two projections protrude on each of the two rail members are shifted from each other.
  6. 제4항에 있어서,The method of claim 4,
    상기 걸림 돌기는 상기 모듈 커넥터의 삽입 방향에 대하여 둔각을 이루도록 경사진 경사면을 갖는, 전지 모듈.The locking projection has an inclined surface inclined to form an obtuse angle with respect to the insertion direction of the module connector, the battery module.
  7. 제3항에 있어서,According to claim 3,
    상기 제1 슬라이드레일 체결부의 내측 레일 부재는 상기 제2 슬라이드레일 체결부의 2개의 레일 부재 사이를 지나 고정되도록 구성되는 후크를 포함하는, 전지 모듈.The inner rail member of the first slide rail fastening part includes a hook configured to be fixed past two rail members of the second slide rail fastening part.
  8. 제7항에 있어서,The method of claim 7,
    상기 제2 슬라이드레일 체결부의 2개의 레일 부재는 서로 대향하는 방향으로 각각 돌출된 제1 걸림 돌기 및 제2 걸림 돌기를 갖고,The two rail members of the second slide rail fastening part each have a first locking protrusion and a second locking protrusion projecting in opposite directions,
    상기 제1 걸림 돌기 및 상기 제2 걸림 돌기는, 각각의 중심이 서로 어긋나도록 상기 레일 부재의 연장 방향을 따라 거리를 두고 이격되어, 상기 제1 걸림 돌기가 상대적으로 우측에 위치하고, 상기 제2 걸림 돌기가 상대적으로 좌측에 위치하는 전지 모듈.The first locking projection and the second locking projection are spaced apart at a distance along the extending direction of the rail member so that their respective centers are offset from each other, so that the first locking projection is positioned relatively to the right, and the second locking projection is Battery module with protrusions on the left side.
  9. 제8항에 있어서,The method of claim 8,
    상기 제1 걸림 돌기와 상기 제2 걸림 돌기의 서로 등지는 외측 경사면 각각이, 상기 제1 걸림 돌기와 상기 제2 걸림 돌기의 서로 마주보는 내측 경사면 각각 보다 상기 레일 부재의 연장 방향에 대해 급한 경사각을 형성하는 전지 모듈.Each of the outer inclined surfaces of the first engaging projection and the second engaging projection, which are opposite to each other, form a steeper inclination angle with respect to the extending direction of the rail member than each of the inner inclined surfaces of the first engaging projection and the second engaging projection facing each other. Battery module.
  10. 제9항에 있어서,The method of claim 9,
    상기 후크는 상기 내측 레일 부재의 단부에서 일측으로 구부러지고,The hook is bent to one side from the end of the inner rail member,
    상기 제1 체결부가 상기 제2 체결부에 상기 제1 방향으로 삽입될 때에는, 상기 후크가 상기 제2 걸림 돌기의 상기 외측 경사면에 고정되며,When the first fastening portion is inserted into the second fastening portion in the first direction, the hook is fixed to the outer inclined surface of the second locking projection,
    상기 제1 체결부가 상기 제2 체결부에 상기 제2 방향으로 삽입될 때에는, 상기 후크가 상기 제1 걸림 돌기의 상기 외측 경사면에 고정되는 전지 모듈.When the first fastening portion is inserted into the second fastening portion in the second direction, the battery module is fixed to the outer inclined surface of the hook of the first locking projection.
  11. 제3항에 있어서,According to claim 3,
    상기 제1 슬라이드레일 체결부는 상기 내측 레일 부재와 평행하게 연장하는 적어도 2개의 외측 레일 부재를 포함하고,The first slide rail fastening portion includes at least two outer rail members extending parallel to the inner rail member,
    상기 모듈 커넥터 결합 시, 상기 제2 슬라이드레일 체결부의 레일 부재는 상기 제1 슬라이드레일 체결부의 외측 레일 부재 사이에 끼워지는, 전지 모듈.When the module connector is coupled, the rail member of the second slide rail fastening part is sandwiched between the outer rail members of the first slide rail fastening part, the battery module.
  12. 제1항에 있어서,According to claim 1,
    상기 모듈 커넥터는, 상기 제1 체결부가 상기 제2 체결부에 상기 제1 방향으로 삽입되어 상기 모듈 케이스 외측의 대응 결합면에 고정되는, 전지 모듈.The module connector, the first fastening portion is inserted into the second fastening portion in the first direction, fixed to the mating mating surface outside the module case, the battery module.
  13. 제1항에 있어서,According to claim 1,
    상기 모듈 커넥터는, 상기 제1 체결부가 상기 제2 체결부에 상기 제2 방향으로 삽입되어 상기 모듈 케이스 외측의 대응 결합면에 고정되는, 전지 모듈.The module connector, the battery module, the first fastening portion is inserted into the second fastening portion in the second direction to be fixed to the mating coupling surface outside the module case.
  14. 제1항에 있어서,According to claim 1,
    상기 모듈 케이스의 적어도 일측에서 상기 셀 조립체를 커버하며, 상기 셀 조립체의 전극 리드를 전기적으로 연결하는 버스바 조립체를 포함하고,A bus bar assembly covering the cell assembly on at least one side of the module case, and electrically connecting electrode leads of the cell assembly,
    상기 버스바 조립체는 상기 제2 체결부를 포함하며,The bus bar assembly includes the second fastening,
    상기 모듈 커넥터는 상기 버스바 조립체에 결합되는, 전지 모듈.The module connector is coupled to the bus bar assembly, a battery module.
  15. 제1항에 있어서,According to claim 1,
    상기 모듈 커넥터는 상기 셀 조립체와 연성 인쇄 회로 기판(Flexible Printed Circuit, FPC)을 통해서 전기적으로 연결되는, 전지 모듈.The module connector is a battery module that is electrically connected to the cell assembly through a flexible printed circuit board (FPC).
  16. 제15항에 있어서,The method of claim 15,
    상기 모듈 커넥터와 연결되는 상기 연성 인쇄 회로 기판은 복수 회에 걸쳐 서로 다른 방향으로 구부러지며 연장하는, 전지 모듈.The flexible printed circuit board connected to the module connector is bent and extended in different directions over a plurality of times, the battery module.
  17. 제1항 내지 제16항 중 어느 한 항에 따른 적어도 하나의 전지 모듈; 및At least one battery module according to any one of claims 1 to 16; And
    상기 적어도 하나의 전지 모듈을 패키징하는 팩 케이스Pack case for packaging the at least one battery module
    를 포함하는 전지 팩.Battery pack comprising a.
  18. 제17항에 따른 적어도 하나의 전지 팩을 포함하는 디바이스.A device comprising at least one battery pack according to claim 17.
PCT/KR2019/017024 2018-12-05 2019-12-04 Battery module comprising connector having bidirectional fastening structure WO2020116936A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US17/044,997 US11894576B2 (en) 2018-12-05 2019-12-04 Battery module including connector having bidirectional coupling structure
JP2020552230A JP7055483B2 (en) 2018-12-05 2019-12-04 Battery module including connector with bidirectional fastening structure
CN201980025814.1A CN111971817B (en) 2018-12-05 2019-12-04 Battery module including connector having bidirectional coupling structure
EP19891755.1A EP3764421A4 (en) 2018-12-05 2019-12-04 Battery module comprising connector having bidirectional fastening structure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2018-0155513 2018-12-05
KR20180155513 2018-12-05
KR1020190159240A KR102321794B1 (en) 2018-12-05 2019-12-03 Battery module including connector having bidirectional coupling structure
KR10-2019-0159240 2019-12-03

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