WO2014107094A1 - Ensemble de détection destiné à un module de batterie rechargeable et module de batterie rechargeable équipé d'un ensemble de détection - Google Patents

Ensemble de détection destiné à un module de batterie rechargeable et module de batterie rechargeable équipé d'un ensemble de détection Download PDF

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Publication number
WO2014107094A1
WO2014107094A1 PCT/KR2014/000150 KR2014000150W WO2014107094A1 WO 2014107094 A1 WO2014107094 A1 WO 2014107094A1 KR 2014000150 W KR2014000150 W KR 2014000150W WO 2014107094 A1 WO2014107094 A1 WO 2014107094A1
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WO
WIPO (PCT)
Prior art keywords
sensing
substrate holder
secondary battery
pcb
battery module
Prior art date
Application number
PCT/KR2014/000150
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English (en)
Korean (ko)
Inventor
조세훈
이지윤
음영환
황규민
Original Assignee
에스케이이노베이션 주식회사
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Application filed by 에스케이이노베이션 주식회사 filed Critical 에스케이이노베이션 주식회사
Priority to CN201480004146.1A priority Critical patent/CN104904037B/zh
Publication of WO2014107094A1 publication Critical patent/WO2014107094A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • 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
    • H01M50/284—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]
    • 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
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • 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 sensing assembly for a secondary battery module and a secondary battery module having the sensing assembly.
  • the secondary battery is a battery which can be repeatedly charged and discharged, and obtains energy through an electrochemical reaction of an internal active material.
  • the performance of such a secondary battery is influenced by, for example, the charging method, the degree of discharge, the temperature environment during storage and use, the load level and the number of charge and discharge cycles.
  • secondary batteries have been developed in the field of lithium ion batteries, lithium polymer batteries, or fuel cells having high energy density and light mass, and are widely used in industrial, automotive, portable, or mobile power supplies.
  • such a secondary battery is equipped with various protection and control circuits in a bare cell, and also modularized to be suitable for an external system to be used and used as a secondary battery module.
  • the circuit controls the charging and discharging of the secondary battery module, as well as blocks the circuit during the overcharging or overdischarging of the secondary battery module, thereby extending the life of the secondary battery module and further preventing the risk of explosion or fire.
  • a monitoring system has been adopted to inform in real time the remaining discharge capacity or temperature of the secondary battery module in use.
  • the monitoring system includes a sensing assembly that continuously detects a voltage or temperature of a battery cell constituting the secondary battery module and informs the outside.
  • the sensing assembly includes a sensing PCB electrically connected to the cell tab of each battery cell, and informs the temperature or voltage of the battery cell to the outside through a connector mounted on the sensing PCB.
  • the conventional sensing assembly has poor solderability (soldering) in order to electrically connect the sensing PCB on which the connector is mounted to the legs electrically connected to the cell tabs. .
  • the sensing assembly includes a substrate holder seated and fixed to a secondary battery module, and a sensing (where various components and circuits are formed to sense voltage and temperature of a battery cell) fixed to an upper portion of the substrate holder.
  • a sensing where various components and circuits are formed to sense voltage and temperature of a battery cell
  • the substrate holder consists of a PCB
  • a plurality of legs 65 are provided at both sides of the substrate holder 69.
  • the leg 65 is inserted into the substrate holder 69, and one end extending horizontally is connected to the cell tab, and the other end 65a protrudes upward for coupling with the sensing PCB 63.
  • the sensing PCB 63 coupled to the upper portion of the substrate holder 69 is formed with circuits and various components such as the connector 67 as described above, and has through-holes 63a at both sides.
  • the through hole 63a is a hole provided so that the fixing screw 63b passes downward to engage the female screw hole 69a.
  • a plurality of coupling holes 63c are formed in the edge portion of the sensing PCB 63.
  • the coupling hole 63c is a passage through which the other end 65a of the leg 65 passes upward when the sensing PCB 63 is seated in the substrate holder 69.
  • the other end 65a is a portion that is connected to the circuit of the sensing PCB 63 in a state where the coupling hole 63c passes.
  • the connection of the sensing PCB 63 to the substrate holder 69 is very inconvenient, which senses the sensing end of the other end 65a of the leg 65 raised above the sensing PCB 63. This is because it is necessary to weld the connection part of the circuit one by one.
  • the flow soldering (flowe soldering) and the reflow (reflow) process must be applied for the welding process, the work is very inconvenient, of course, requires a very skilled technique.
  • the sensing PCB 63 must be separated from the substrate holder 69 and replaced with a new sensing PCB.
  • the legs of the substrate holder and the sensing PCB perform soldering. It is very difficult to separate the sensing PCB easily and cleanly from the substrate holder as long as it is completely fixed. The workability is bad.
  • the present invention has been made to solve the above problems, and has a structure in which the sensing PCB is connected to the substrate holder through only elastic contact, so that the assembly and separation of the sensing PCB to the substrate holder is simple and easy to maintain.
  • An object of the present invention is to provide a secondary battery module sensing assembly and the secondary battery module having the sensing assembly.
  • a sensing assembly for a secondary battery module including: a substrate holder taking the form of a plate as an insulating member fixed to a cell tab side of a battery cell in a secondary battery module having a plurality of battery cells; A plurality of voltage sensing connection members fixed to the substrate holder through insert injection, having a tab connection part extending toward the cell tab and fixed to the cell tab, and a substrate connection part disposed on the substrate holder; And a sensing PCB which is detachably coupled to the upper portion of the substrate holder and receives the voltage of the cell tab by contacting each of the substrate connection parts while being mounted on the upper portion of the substrate holder.
  • the substrate connecting portion is elastically deformable.
  • another sensing assembly for a secondary battery module of the present invention for achieving the above object is mounted on a secondary battery module having a plurality of battery cells to sense the voltage and temperature emitted from the battery cell, the shape of the plate An insulating substrate holder; A temperature sensing connection member disposed on an upper surface of the substrate holder and coupled to a thermistor sensing the temperature of the battery cell; A sensing PCB is coupled to the upper portion of the substrate holder to be detachable, and in contact with the temperature sensing connection member while seated on the upper portion of the substrate holder.
  • the temperature sensing connection member is elastically deformable by an external force.
  • substrate connection part takes the form of a leaf spring or a coil spring.
  • the temperature sensing connection member may take the form of a leaf spring or a coil spring.
  • a female screw hole is formed on an upper surface of the substrate holder, and the sensing PCB is coupled to the substrate holder by a fixing screw coupled to the female screw hole through the sensing PCB.
  • the substrate holder is in the form of a rectangular plate and the upper edge portion is formed integrally with the wall portion protruding above the substrate holder, for mounting the sensing PCB to the substrate holder, one side of the wall portion A fitting slit is formed on the inward surface to support a portion of the sensing PCB therein, and a fixing means for receiving and fixing another portion of the sensing PCB is provided on the wall opposite to the fitting slit.
  • the opening is formed in the upper wall is located on the fixing means, the fixing means; It is rotatably installed on the wall portion, and after the other portion of the sensing PCB is seated in the opening is fixed to the wall by moving toward the opening side, it comprises a locking lever for restraining the sensing PCB in the opening.
  • the secondary battery module of the present invention for achieving the above object, and a case for receiving a plurality of battery cells, connected to the cell tab of the battery cell in a state supported by the case senses and senses the voltage of the battery cell
  • the sensing assembly comprises; A substrate holder in the form of a plate as an insulating member fixed to the side of the cell tab; A plurality of voltage sensing connection members fixed to the substrate holder through insert injection, having a tab connection part extending toward the cell tab and fixed to the cell tab, and a substrate connection part disposed on the substrate holder; And a sensing PCB which is detachably coupled to the upper portion of the substrate holder and receives the voltage of the cell tab by contacting each of the substrate connection parts while being mounted on the upper portion of the substrate holder.
  • the substrate connecting portion is elastically deformable by an external force.
  • another secondary battery module of the present invention for achieving the above object, and a case for receiving a plurality of battery cells; Sensing the temperature of the battery cell while being supported by the case, and transmitting the sensed temperature information to the outside, the insulating substrate holder in the form of a plate, and disposed on the upper surface of the substrate holder and the temperature of the battery cell And a sensing assembly having a temperature sensing connection member coupled to a sensing thermistor, and a sensing PCB coupled to and detachably attached to an upper portion of the substrate holder, the sensing PCB being in contact with the temperature sensing connection member while seated on an upper portion of the substrate holder.
  • the temperature sensing connection member is elastically deformable by an external force.
  • the substrate connection portion may take the form of a leaf spring or a coil spring.
  • the temperature sensing connection member may take the form of a leaf spring or a coil spring.
  • a female screw hole is formed on an upper surface of the substrate holder, and the sensing PCB is coupled to the substrate holder by a fixing screw coupled to the female screw hole through the sensing PCB.
  • the substrate holder is in the form of a rectangular plate and the upper edge portion is formed integrally with the wall portion protruding above the substrate holder, for mounting the sensing PCB to the substrate holder, one side of the wall portion A fitting slit is formed on the inward surface to support a portion of the sensing PCB therein, and a fixing means for receiving and fixing another portion of the sensing PCB is provided on the wall opposite to the fitting slit.
  • an opening opening is formed in the upper wall is located on the fixing means, the fixing means; It is rotatably installed on the wall portion, and after the other portion of the sensing PCB is seated in the opening is fixed to the wall by moving toward the opening side, it comprises a locking lever for restraining the sensing PCB in the opening.
  • the sensing assembly for the secondary battery module and the secondary battery module including the sensing assembly of the present invention having the above structure have a structure in which the sensing PCB is connected to the plate holder through only elastic contact, the sensing PCB for the substrate holder is provided. Simple assembly and disassembly and easy maintenance.
  • FIG. 1 is a perspective view of a sensing assembly and a secondary battery module having the sensing assembly according to an embodiment of the present invention.
  • FIG. 2 is a partially exploded perspective view of the secondary battery module illustrated in FIG. 1.
  • FIG. 3 is a diagram illustrating the structure of the sensing assembly shown in FIG. 1 in more detail.
  • FIG. 4 is an exploded perspective view illustrating an exploded view of the sensing assembly illustrated in FIG. 1.
  • FIG. 5 is a side view of the sensing assembly shown in FIG. 1.
  • FIG. 6 is a bottom view illustrating a bottom surface of a sensing PCB in the sensing assembly shown in FIG. 1.
  • FIG. 7 is a side view illustrating a mounting structure of a sensing PCB on a substrate holder in the sensing assembly.
  • FIG. 8 is a perspective view illustrating another example of a sensing assembly according to an embodiment of the present invention.
  • FIG. 9 is an exploded perspective view showing another example of a sensing assembly according to an embodiment of the present invention.
  • FIG. 1 is a perspective view of a sensing assembly and a secondary battery module having the sensing assembly according to an embodiment of the present invention
  • FIG. 2 is a partially exploded perspective view of the secondary battery module illustrated in FIG. 1.
  • the secondary battery module 31 in which the sensing assembly 33 according to the present embodiment is mounted includes a box-shaped case 13 accommodating a plurality of battery cells 29 and a case 13 of the case 13. A plurality of battery cells 29 arranged therein, a frame 15 having a rectangular frame shape positioned on the case 13, and a housing 17 provided in the center of the frame 15 and providing a supporting force. And a sensing assembly 33 installed in the housing 17 and connected to the cell tab 27 of the battery cell 29.
  • the battery cells 29 are formed in the shape of the positive and negative cell tabs on the top 12 are disposed adjacent to the inside of the case 13, the sensing assembly 33 of the positive and negative cell tabs of the battery cell 29 In the state located between, it is welded to the cell tab 27 of both battery cells 29.
  • the sensing assembly 33 continuously monitors the voltage and temperature of each battery cell 29 and sends it to an external monitoring device through the connector 23.
  • the sensing assembly 33 includes a substrate holder 45 seated and fixed to the housing 17, a voltage sensing connection member 47 inserted into the substrate holder 45, and a substrate holder 45.
  • the packing 41 is fitted to the upper surface of the edge portion, and the sensing PCB 35 is fixed to the upper portion of the packing (41).
  • the connector 23 is mounted in the sensing PCB.
  • the connector 23 is a connection portion connected to an external monitoring device.
  • the substrate holder 45 takes the form of a rectangular plate and has six and seven voltage sensing connection members 47 on both sides in the width direction.
  • the voltage sensing connection member 47 may be made of any conductive metal such as copper or aluminum, but is limited to phosphor bronze, beryllium copper, and brass having excellent elastic resilience to increase the effect of the invention.
  • the voltage sensing connection member is inserted when the substrate holder 45 is molded, and a part of the voltage sensing connection member is inserted into the substrate holder 45.
  • One end of the voltage sensing connection member 47 is a tab connection portion 47a, which extends from both side portions in the width direction of the substrate holder 47 to the respective cell tabs 27 and is welded to the cell step 27.
  • the other end of the voltage sensing connection member 47 is exposed to the upper surface of the substrate holder 45.
  • the portion exposed to the upper surface is a substrate connecting portion 47b that elastically connects to the bottom surface of the sensing PCB 35.
  • the voltage sensing connection member 47 serves to connect each battery cell 29 to the sensing PCB 35.
  • FIG. 3 is a view illustrating in detail the structure of the substrate holder 45 of the sensing assembly 33 shown in FIG.
  • the substrate holder 45 takes the form of a rectangular plate and is fitted inside the housing 17.
  • the coupling method of the substrate holder 45 to the housing 17 may employ any coupling method.
  • the substrate holder 45 may not be firmly fixed to the housing 17 as long as the tab connection portion 47a is welded to each cell tab 27.
  • a rectangular packing groove 45b is formed at an upper edge portion of the substrate holder 45.
  • the packing groove 45b is a groove having a predetermined width and depth and accommodates the packing 41.
  • a plurality of support protrusions 45c are integrally formed in the inner region of the packing groove 45b.
  • the support protrusion 45c is for determining a relative position of the sensing PCB 35 with respect to the substrate holder 45, and is formed in the fitting groove 35a formed at both edges in the width direction of the sensing PCB 35. Is fitted.
  • the sensing PCB 35 may be supported on the upper portion of the substrate holder 45 in parallel with the substrate holder 45.
  • female screw holes 45a are provided on the upper surfaces of both ends in the longitudinal direction of the substrate holder 45.
  • the female screw hole 45a is a hole in which a female thread is formed on the inner circumferential surface thereof, and the fixing screw 43 is engaged.
  • the fixing screw 43 passes downward through the sensing PCB 35 to be coupled to the female screw hole 45a to fix the sensing PCB 35 to the upper portion of the substrate holder 45.
  • the fixing method of the sensing PCB 35 with respect to the substrate holder 45 may be variously changed.
  • the substrate connecting portion 47b disposed on the upper surface of the substrate holder 45 takes the form of a leaf spring bent a plurality of times. Since the board connection part 47b has an elastic force, for example, when the force is applied to the substrate, the substrate connection part 47b is deformed by pressing down.
  • the temperature sensing connection member 49 is provided at the center of the substrate holder 45.
  • the temperature sensing connection member 49 is made of a conductive metal member such as copper or aluminum, and is connected to the thermistor 51 of FIG. 6 as shown in FIG. The thermistor 51 will be described later.
  • the temperature sensing connection member 49 is also made of copper or aluminum and is bent to have elasticity to take the form of a leaf spring, which is pressed downward when the sensing PCB 35 is seated on the substrate holder 45. do.
  • FIG. 4 is an exploded view illustrating the sensing assembly 33 illustrated in FIG. 1.
  • a plurality of voltage sensing connection members 47 are fixed to the substrate holder 45. As described above, since the substrate holder 45 is molded in the state where the voltage sensing connection member 47 is inserted into the mold during molding, the substrate holder 45 includes a part of the voltage sensing connection member 47 therein.
  • the tab connecting portion 47a which is one end of the voltage sensing connecting member 47, extends in parallel on both sides of the substrate holder 45.
  • the board connecting portion 47b which is the other end of the voltage sensing connecting member 47, is located on the upper surface of the substrate holder 45.
  • the substrate connecting portion 47b is bent and takes the form of a leaf spring.
  • the packing 41 inserted into the packing groove 45b is made of soft silicone or rubber, and seals the lower space of the sensing PCB 35 so that external moisture is absorbed into the lower space of the sensing PCB 35. Do not allow penetration. Since the lower space is an electrical connection space between the substrate connecting portion 47b and the temperature sensing connecting member 49 with respect to the sensing PCB 35, it is very important to block external moisture.
  • the sensing PCB 35 is to inform the outside of the voltage and temperature information through the connector 23, various electronic components for this is mounted.
  • the sensing PCB 35 includes a plurality of fuses 39. The fuse 39 is cut when an abnormal situation occurs to protect the secondary battery module 31.
  • FIG. 5 is a side view of the sensing assembly 33 shown in FIG.
  • a thermistor holder 45d is provided below the substrate holder 45, and a thermistor 51 is inserted into the thermistor holder 45d.
  • the thermistor holder 45d has a substantially cylindrical shape and is integral with the bottom surface of the substrate holder 45 to accommodate the thermistor 51 therein.
  • the thermistor 51 detects the temperature of the battery cell 29 with its lower end positioned between the battery cells 29, and converts the temperature into an electrical signal to the temperature sensing connection member 49.
  • the temperature information transmitted to the temperature sensing connection member 49 is reported to the external monitoring device through the sensing PCB 35.
  • FIG. 6 is a bottom view illustrating a bottom surface of the sensing PCB 35 in the sensing assembly 33 shown in FIG. 1.
  • connection parts 35b and 35c are located on the bottom surface of the sensing PCB 35.
  • the connection parts 35b and 35c correspond to the board connection part 47b in a one-to-one correspondence with elastic contact and the second connection part in contact with the temperature sensing connection member 49.
  • FIG. 7 is a side view illustrating a mounting structure of a sensing PCB to a substrate holder in the sensing assembly.
  • the sensing PCB 35 is fixed to the upper portion of the substrate connecting portion 45 by the fixing screw 43.
  • the sensing PCB 35 is horizontally maintained above the substrate connection part 45.
  • the space under the sensing PCB 35 is sealed by the packing 41.
  • the board connection part 47b of the voltage sensing connection member 47 is in contact with the first connection part 35b while being pressed down by the sensing PCB 35.
  • the sensing PCB 35 is separated from the substrate holder 45. That is, by loosening the fixing screw 43, the external monitoring device (not shown) can be separated from the secondary battery module 31.
  • FIG. 8 is a perspective view illustrating another example of a sensing assembly according to an embodiment of the present invention.
  • a coil spring type substrate connecting portion 47c is arranged at the outer periphery of the upper surface of the substrate holder 45, and the coil spring type temperature sensing connecting member 50 is fixed to the center portion of the substrate holder 45. have.
  • the substrate connecting portion 47c is fixed to the upper surface of the substrate holder 45 in a state of being connected to the voltage sensing connecting member 47, and presses the sensing PCB 35 downward when it is seated on the upper portion of the substrate connecting portion 47c. And elastic deformation.
  • the board connection part 47c plays the same role as the plate spring type board connection part 47b described above.
  • the temperature sensing connection member 50 is connected to the thermistor 51 and transmits the temperature information received from the thermistor 51 to the second connection portion 35c on the bottom surface of the sensing PCB 35.
  • the temperature sensing connection member 50 is a shape of a coil spring, and is compressed when the sensing PCB 35 is fixed on the substrate holder 45.
  • FIG 9 is an exploded perspective view showing another example of the sensing assembly 33 according to an embodiment of the present invention.
  • the wall portion 45e is integrally formed on the upper surface of the substrate holder 45.
  • the wall portion 45e takes the form of a rectangular frame and has a fitting slit 45f on one side inwardly facing surface.
  • the fitting slit 45f is a groove extending in the horizontal direction and accommodates the fitting portion 35d provided at one end of the sensing PCB 35.
  • the fitting portion 35d is a portion protruding in the longitudinal direction of the sensing PCB 35 formed at one end of the sensing PCB 35.
  • another fitting portion 35e is provided on the opposite side of the fitting portion 35d.
  • the fitting portion 35e is a portion that is locked to the lock lever 45n in a state of being seated in the opening 45k.
  • an opening 45k and a locking lever 45n are provided on the opposite side of the fitting slit 45f.
  • the opening 45k and the locking lever 45n are for accommodating and fixing the fitting portion 35e.
  • the opening 45k is a portion open to the upper portion of the wall 45e. Since the opening 45k is open to the upper side, for example, the fitting part 35d of the sensing PCB 35 is inserted when the other fitting part 35e is lowered while the fitting slit 45f is fitted. The part 35e can be seated in the opening 45k.
  • the locking lever 45n is a rod-like member that can be rotated in the direction of arrow a or the opposite direction while being supported by the fixing pin 45q.
  • the support surface 45r is formed in the bottom surface of the lock lever 45n.
  • the support surface 45r is a portion for pressing and supporting the fitting portion 35e downward.
  • Reference numeral 45m denotes a protrusion.
  • the projection portion 45m is fitted into the groove portion 45p formed at the distal end portion of the locking lever 45n when the locking lever 45n is rotated and inserted into the opening 45k, so that the locking lever 45n is pulled out. It serves to support.

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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)
  • Secondary Cells (AREA)

Abstract

La présente invention a trait à un ensemble de détection qui est destiné à un module de batterie rechargeable et à un module de batterie rechargeable qui est équipé d'un ensemble de détection et d'un support de substrat dans l'ensemble de détection. L'ensemble de détection selon la présente invention est monté dans le module de batterie rechargeable avec une pluralité d'éléments de batterie, et est connecté à la languette d'élément des multiples éléments de batterie de manière à détecter la tension des multiples éléments de batterie. L'ensemble de détection selon la présente invention est caractérisé en ce qu'il comprend : un support de substrat de type plaque qui est formé en tant qu'élément isolant qui est fixé sur une partie latérale de la languette d'élément ; une pluralité d'éléments de connexion à détection de tension qui comprennent une partie de connexion de languette qui est fixée sur le support de substrat par injection avec insert et qui s'étend jusqu'à la languette d'élément de manière à être fixée à cette dernière, et une partie de connexion de substrat qui est agencée dans la partie supérieure du support de substrat ; et un circuit imprimé nu de détection qui est fixé de façon amovible à la partie supérieure du support de substrat afin de détecter la tension de la languette d'élément en entrant en contact avec la partie de connexion de substrat lorsqu'il est disposé sur la partie supérieure du support de substrat. De la sorte, l'ensemble de détection qui est destiné au module de batterie rechargeable et le module de batterie rechargeable qui est équipé de l'ensemble de détection selon la présente invention sont dotés d'une structure telle que le circuit imprimé nu de détection est connecté au support de substrat uniquement au moyen d'un contact élastique, ce qui permet la sorte de simplifier la fixation du circuit imprimé nu de détection sur le support de substrat ou son détachement de ce dernier, et de faciliter la maintenance et la réparation.
PCT/KR2014/000150 2013-01-07 2014-01-07 Ensemble de détection destiné à un module de batterie rechargeable et module de batterie rechargeable équipé d'un ensemble de détection WO2014107094A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201480004146.1A CN104904037B (zh) 2013-01-07 2014-01-07 二次电池模块用感测组件和具备感测组件的二次电池模块

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Application Number Priority Date Filing Date Title
KR10-2013-0001558 2013-01-07
KR1020130001558A KR101986384B1 (ko) 2013-01-07 2013-01-07 이차전지모듈용 센싱어셈블리 및 상기 센싱어셈블리를 구비한 이차전지모듈

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WO2014107094A1 true WO2014107094A1 (fr) 2014-07-10

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US20190198952A1 (en) * 2017-12-26 2019-06-27 Sk Innovation Co., Ltd. Battery module and manufacturing method thereof
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