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WO2016153268A1 - Bloc-batterie ayant une structure susceptible de détecter efficacement la température et une carte de circuit imprimé à capteur de température appliquée à celui-ci - Google Patents

Bloc-batterie ayant une structure susceptible de détecter efficacement la température et une carte de circuit imprimé à capteur de température appliquée à celui-ci Download PDF

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Publication number
WO2016153268A1
WO2016153268A1 PCT/KR2016/002921 KR2016002921W WO2016153268A1 WO 2016153268 A1 WO2016153268 A1 WO 2016153268A1 KR 2016002921 W KR2016002921 W KR 2016002921W WO 2016153268 A1 WO2016153268 A1 WO 2016153268A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
printed circuit
heat
temperature element
heat sink
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2016/002921
Other languages
English (en)
Korean (ko)
Inventor
홍인관
김광호
김정익
조도휘
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokam Ltd Co
Original Assignee
Kokam Ltd Co
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
Application filed by Kokam Ltd Co filed Critical Kokam Ltd Co
Publication of WO2016153268A1 publication Critical patent/WO2016153268A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • 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
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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 pack having a structure capable of efficient temperature detection, and a temperature element-mounted printed circuit board applied thereto.
  • the present invention relates to a battery pack having a structure that can be easily delivered, and a temperature element mounted printed circuit board applied thereto.
  • the life of the battery is closely related to the ambient temperature. Therefore, when the ambient temperature is extremely low or high temperature, it is necessary to check this to avoid the operation of the battery (meaning charging / discharging of the secondary battery). It can be a big help.
  • the temperature element used to measure the temperature of the battery may be a negative temperature coefficient device (NTC), a positive temperature coefficient device (PTC), etc., such a temperature element is attached directly to the battery, or absorbs the heat of the battery It was common to attach to a heat sink installed in the battery to release / discharge.
  • NTC negative temperature coefficient device
  • PTC positive temperature coefficient device
  • the present invention has been made in view of the above-described problems, and provides a battery pack structure and a printed circuit board structure applied thereto by improving a connection structure between a temperature element and a PCB, thereby improving processability, quality, and temperature measurement efficiency.
  • the purpose is to improve a connection structure between a temperature element and a PCB, thereby improving processability, quality, and temperature measurement efficiency.
  • Battery pack for solving the above technical problem, at least one battery cell; A heat sink dissipating heat generated from the battery cell; A printed circuit board at least partially in contact with the heat sink; And a temperature element mounted on the printed circuit board to sense heat conducted from the heat sink to the printed circuit board.
  • the printed circuit board includes a substrate main body portion; And a substrate extension part extending from one side of the substrate body part and connected to the heat sink.
  • a heat conductive coating layer may be formed on at least a portion of the first surface of the substrate extension to contact the heat sink.
  • the temperature element may be mounted in a heat conductive region corresponding to a region where the heat conductive coating layer is formed on the second surface of the substrate extension.
  • the substrate extension part may include a heat transfer hole which is formed on at least a portion of the circumference of the temperature element and penetrates the printed circuit board so that heat emitted from the heat sink can be transferred to the temperature element. .
  • a metal layer may be formed on an inner wall surface of the heat transfer hole.
  • the printed circuit board may include a heat transfer slit formed at a boundary area between the substrate main body part and the substrate extension part and penetrating the printed circuit board so that heat emitted from the heat sink may be transferred to the temperature element. It can be provided.
  • the substrate extension part may include a fastening hole for fastening between the printed circuit board and the heat sink.
  • the printed circuit board and the heat sink may be fastened to each other by bolts.
  • the temperature device may be an NTC device.
  • the printed circuit board includes a first terminal for electrically connecting the temperature element and a second terminal electrically connected to the battery cell to function as a terminal of the battery cell, wherein the first terminal and the second terminal are insulated from each other. You can maintain a certain distance to maintain the strength.
  • a printed circuit board for solving the above technical problem, at least a portion of the printed circuit board in contact with the heat sink for dissipating heat generated from the battery cell; And a temperature element mounted on the printed circuit board to sense heat conducted from the heat sink to the printed circuit board.
  • FIG. 1 is a real picture showing a state in which a printed circuit board and a heat sink are combined in a battery pack according to an embodiment of the present invention.
  • FIG. 2 is a real photograph showing a state in which a temperature element is mounted on a printed circuit board according to an exemplary embodiment of the present invention.
  • FIG 3 is a real picture showing a first surface of a printed circuit board according to an embodiment of the present invention.
  • FIG. 4 is a plan view illustrating a printed circuit board, a heat sink, and a temperature element coupled together in a battery pack according to an exemplary embodiment of the present invention.
  • FIG. 5 is a side cross-sectional view illustrating a form cut along the v-v line illustrated in FIG. 4.
  • 6 and 7 are diagrams schematically showing a path through which heat is released in the battery pack according to an embodiment of the present invention.
  • FIG. 8 is a plan view illustrating a distance between a temperature element mounting terminal and a battery power terminal in a battery pack according to an embodiment of the present invention.
  • FIG. 1 is a real picture showing a state in which a printed circuit board and a heat sink are combined in a battery pack according to an embodiment of the present invention
  • Figure 2 is a temperature element on a printed circuit board according to an embodiment of the present invention 3 is a real picture showing a mounted state
  • FIG. 3 is a real picture showing a first surface of a printed circuit board according to an exemplary embodiment of the present invention.
  • FIG. 4 is a plan view illustrating a printed circuit board, a heat sink, and a temperature device coupled to each other in the battery pack according to an exemplary embodiment of the present invention.
  • FIG. 5 is a view along the line vv shown in FIG. 4. It is a side sectional drawing which shows the cut
  • a battery pack according to an embodiment of the present invention includes a battery cell (not shown), a heat sink 10, a printed circuit board (PCB) 20, and a temperature element ( It may be implemented in a form including 30).
  • the battery cell may be applied in various kinds according to the purpose or required capacity of the battery pack. For example, after accommodating the electrode assembly in a pouch case, a pair of electrode leads connected to the electrode assembly may be drawn out. A pouch type cell manufactured by sealing the edge region of the pouch case in a heat-sealed manner may be applied.
  • the heat sink 10 is in direct or indirect contact with the battery cell to perform the function of dissipating heat generated from the battery cell.
  • the heat sink 10 is a lead conductor directly contacting or connected to an electrode lead T (see FIG. 5) having a particularly high heat generation value among the battery cells in order to efficiently transfer heat generated from the battery cell. It may be installed to contact a component such as).
  • the printed circuit board 20 is at least partially installed in contact with the heat sink 10
  • the temperature element 30 is mounted on the printed circuit board 20
  • the battery cell in addition to the temperature element 30
  • Various components such as a logic circuit chip and / or a switching element for controlling the operation of the device may be mounted.
  • the operation control of the battery cell may be made by a separate BMS, in which case the electrical connection between the battery cell and the BMS and / or the electrical connection between the BMS and the temperature element 30 is a printed circuit board 20 It can be made by a conductive circuit pattern formed therein.
  • the printed circuit board 20 includes a substrate main body 20a and a substrate extension 20b extending from one side of the substrate main body 20a and contacting the heat sink 10.
  • a fastening hole 21 for coupling between the printed circuit board 20 and the heat sink 10 is formed in the substrate extension part 20b.
  • various structures are formed in the substrate extension part 20b for efficient heat transfer from the heat sink 10 to the temperature element 30.
  • a heat conductive coating layer 22 is formed on a first surface of the both sides of the substrate extension 20b that faces / contacts the heat sink 10.
  • the heat conductive coating layer 22 performs a function of increasing heat transfer efficiency toward the temperature device 30 mounted on the second surface of the printed circuit board 20 by contacting the heat sink 10.
  • the thermal conductive coating layer 22 is preferably made of a material having high thermal conductivity, and may be made of copper (Cu) in consideration of both productivity and thermal conductivity.
  • the substrate extension part 20b may be easily circulated from the heat sink 10 toward the temperature element 30 so that heat transfer may be efficiently performed.
  • Heat transfer holes 23 may be formed.
  • the heat transfer holes 23 are formed in at least a portion of a circumference of a region where the temperature element 30 is installed in the printed circuit board 20, but are formed through the printed circuit board 20 to be discharged from the heat sink 10. Allow heat to be transferred through the air circulation towards the temperature element 30.
  • a metal layer may be formed on the inner wall surface of the heat transfer hole 23, in which case the efficiency of heat transfer may be further improved due to the excellent thermal conductivity of the metal.
  • the printed circuit board 20 further includes a heat transfer slit 24 in addition to the heat conductive coating layer 22 and / or the heat transfer hole 23 for efficient heat transfer between the heat sink 10 and the temperature element 30. It may be further provided.
  • the heat transfer slit 24 is formed at the boundary area between the substrate main body 20a and the substrate extension 20b but penetrates the printed circuit board 20 so that heat released from the heat sink 10 is heated. It can be delivered more efficiently toward the device.
  • a metal coating layer 25 may be formed on a portion of the printed circuit board 20 in a portion of the printed circuit board 20, and the metal coating layer 25 may include a fastening hole ( Up to the periphery of 21) and the region adjacent thereto.
  • the metal coating layer 25 may be connected to the heat conductive coating layer 22 formed on the first surface of the printed circuit board 20 described above, in which case the heat transfer efficiency by the conduction method may be further improved.
  • the temperature element 30 applied to the battery pack according to an embodiment of the present invention is not particularly limited as long as it can detect a change in temperature due to a change in electrical properties with temperature.
  • the temperature device examples include an NTC device (negative temperature coefficient device) in which the resistance value gradually decreases as the temperature increases, or a PTC device (positive temperature coefficient device) in which the resistance value gradually increases as the temperature increases. Can be used.
  • NTC device negative temperature coefficient device
  • PTC device positive temperature coefficient device
  • 6 and 7 are diagrams schematically showing a path through which heat is released in the battery pack according to an embodiment of the present invention.
  • FIG. 8 shows a distance relationship between the temperature element mounting terminal and the battery power terminal in the battery pack according to the present invention.
  • FIG. 8 is a plan view illustrating a distance between a temperature element mounting terminal and a battery power terminal in a battery pack according to an embodiment of the present invention.
  • the printed circuit board 20 may include a pair of temperature device mounting terminals 26 for installing the temperature device 30, and the second surface of the printed circuit board 20 described above.
  • the metal coating layer 25 formed thereon may correspond to a battery power terminal functioning as a terminal of the battery cell.
  • the battery power terminal 25 and the temperature element mounting terminal 26 can maintain a predetermined distance.
  • the distance between both terminals is preferably maintained at least 1.75mm.
  • the connection between the printed circuit board 20 and the temperature device 30 is poor. There is very little risk of this occurring.
  • the battery pack according to the present invention has a structure in which the temperature element 30 is mounted directly on the printed circuit board 20, which may not only have a process advantage but also a risk of poor contact due to breakage of the connection part. little.
  • the battery pack according to an embodiment of the present invention has a structure in which the heat transfer between the heat sink 10 and the temperature element 30 can be efficiently performed, it is possible to measure the cell temperature quickly and accurately, thereby heat Enables proper battery pack operation according to the occurrence.

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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)
  • Automation & Control Theory (AREA)
  • Battery Mounting, Suspending (AREA)
  • Microelectronics & Electronic Packaging (AREA)

Abstract

L'invention concerne un bloc-batterie qui selon un mode de réalisation comprend : au moins une cellule de batterie ; un dissipateur de chaleur pour dissiper la chaleur générée par la cellule de batterie ; une carte de circuit imprimé ayant au moins une partie de celle-ci en contact avec le dissipateur thermique ; et un capteur de température monté sur la carte de circuit imprimé pour détecter la chaleur conduite entre le dissipateur thermique et la carte de circuit imprimé.
PCT/KR2016/002921 2015-03-23 2016-03-23 Bloc-batterie ayant une structure susceptible de détecter efficacement la température et une carte de circuit imprimé à capteur de température appliquée à celui-ci Ceased WO2016153268A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150040020A KR101733088B1 (ko) 2015-03-23 2015-03-23 효율적인 온도 검출이 가능한 구조를 갖는 배터리 팩 및 이에 적용되는 온도 소자 실장형 인쇄회로기판
KR10-2015-0040020 2015-03-23

Publications (1)

Publication Number Publication Date
WO2016153268A1 true WO2016153268A1 (fr) 2016-09-29

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Application Number Title Priority Date Filing Date
PCT/KR2016/002921 Ceased WO2016153268A1 (fr) 2015-03-23 2016-03-23 Bloc-batterie ayant une structure susceptible de détecter efficacement la température et une carte de circuit imprimé à capteur de température appliquée à celui-ci

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KR (1) KR101733088B1 (fr)
WO (1) WO2016153268A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108183275A (zh) * 2017-02-22 2018-06-19 深圳市格瑞普电池有限公司 带温度检测功能的锂离子电池组
CN110495046A (zh) * 2017-11-07 2019-11-22 株式会社Lg化学 用于估计电池的温度的装置和方法
CN111189558A (zh) * 2020-02-14 2020-05-22 安费诺(常州)连接系统有限公司 电池温度采集装置
DE102019219602A1 (de) * 2019-12-13 2021-06-17 Viessmann Werke Gmbh & Co Kg Temperaturmesseinrichtung
WO2021142842A1 (fr) * 2020-01-19 2021-07-22 深圳市明唐通信有限公司 Appareil de circuit de protection pour batterie au lithium-ion
TWI788414B (zh) * 2018-01-10 2023-01-01 南韓商三星電機股份有限公司 印刷電路板及包括該印刷電路板的電池模塊

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3346524A1 (fr) * 2017-01-09 2018-07-11 Samsung SDI Co., Ltd Module de batterie ayant une unité thermocouple
KR102792206B1 (ko) 2019-04-25 2025-04-04 주식회사 엘지에너지솔루션 Bms 회로, bms 회로를 포함하는 배터리팩

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004179085A (ja) * 2002-11-28 2004-06-24 Sanyo Electric Co Ltd バッテリパック
JP2011066002A (ja) * 2004-02-20 2011-03-31 Autonetworks Technologies Ltd バッテリ温度検出装置及び車載電源分配装置
JP4718978B2 (ja) * 2005-11-30 2011-07-06 クロイ電機株式会社 放熱板及び放熱用回路基板
KR20150005288A (ko) * 2013-07-05 2015-01-14 주식회사 엘지화학 배터리 팩 및 이에 적용되는 보호회로모듈
KR20150006650A (ko) * 2013-07-09 2015-01-19 삼성에스디아이 주식회사 전지 팩

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004179085A (ja) * 2002-11-28 2004-06-24 Sanyo Electric Co Ltd バッテリパック
JP2011066002A (ja) * 2004-02-20 2011-03-31 Autonetworks Technologies Ltd バッテリ温度検出装置及び車載電源分配装置
JP4718978B2 (ja) * 2005-11-30 2011-07-06 クロイ電機株式会社 放熱板及び放熱用回路基板
KR20150005288A (ko) * 2013-07-05 2015-01-14 주식회사 엘지화학 배터리 팩 및 이에 적용되는 보호회로모듈
KR20150006650A (ko) * 2013-07-09 2015-01-19 삼성에스디아이 주식회사 전지 팩

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108183275A (zh) * 2017-02-22 2018-06-19 深圳市格瑞普电池有限公司 带温度检测功能的锂离子电池组
CN110495046A (zh) * 2017-11-07 2019-11-22 株式会社Lg化学 用于估计电池的温度的装置和方法
US11552343B2 (en) 2017-11-07 2023-01-10 Lg Energy Solution, Ltd. Apparatus and method for estimating temperature of battery
TWI788414B (zh) * 2018-01-10 2023-01-01 南韓商三星電機股份有限公司 印刷電路板及包括該印刷電路板的電池模塊
DE102019219602A1 (de) * 2019-12-13 2021-06-17 Viessmann Werke Gmbh & Co Kg Temperaturmesseinrichtung
CN114788068A (zh) * 2019-12-13 2022-07-22 菲斯曼气候解决方案欧洲股份公司 具有温度测量设备的电池
DE102019219602B4 (de) * 2019-12-13 2025-10-16 Viessmann Holding International GmbH Batterie mit Temperaturmesseinrichtung
WO2021142842A1 (fr) * 2020-01-19 2021-07-22 深圳市明唐通信有限公司 Appareil de circuit de protection pour batterie au lithium-ion
CN111189558A (zh) * 2020-02-14 2020-05-22 安费诺(常州)连接系统有限公司 电池温度采集装置

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Publication number Publication date
KR101733088B1 (ko) 2017-05-08
KR20160113830A (ko) 2016-10-04

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