WO2022085937A1 - 배터리 팩, 전자 디바이스, 및 자동차 - Google Patents
배터리 팩, 전자 디바이스, 및 자동차 Download PDFInfo
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- WO2022085937A1 WO2022085937A1 PCT/KR2021/012069 KR2021012069W WO2022085937A1 WO 2022085937 A1 WO2022085937 A1 WO 2022085937A1 KR 2021012069 W KR2021012069 W KR 2021012069W WO 2022085937 A1 WO2022085937 A1 WO 2022085937A1
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- sensing wire
- battery pack
- bent
- fixing
- present
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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
- 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
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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
- 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
- H01M10/42—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
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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
- 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
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
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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
- H01M50/204—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
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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
- H01M50/204—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
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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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
- H01M50/204—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
- H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
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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
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
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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
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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
- H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
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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
- H01M50/50—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
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
-
- 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, an electronic device, and an automobile, and more particularly, to a battery pack that facilitates installation of a sensing wire and reduces manufacturing cost.
- lithium secondary batteries have almost no memory effect compared to nickel-based secondary batteries, so charging and discharging are free, The self-discharge rate is very low and the energy density is high, attracting attention.
- Such a lithium secondary battery mainly uses a lithium-based oxide and a carbon material as a positive electrode active material and a negative electrode active material, respectively.
- a lithium secondary battery includes an electrode assembly in which a positive electrode plate and a negative electrode plate to which a positive electrode active material and a negative electrode active material are applied, respectively, are disposed with a separator interposed therebetween, and an exterior material for sealing and housing the electrode assembly together with an electrolyte, that is, a battery case.
- the lithium secondary battery may be classified into a can-type battery cell in which an electrode assembly is built into a metal can and a pouch-type battery cell in which an electrode assembly is built in a pouch of an aluminum laminate sheet.
- the can-type battery cell may be manufactured as a cylindrical metal can in which the electrode assembly is embedded.
- a can-type battery cell may be used to construct a battery pack.
- the battery pack may include a plurality of can-type battery cells, a cell frame accommodating the battery cells, and a bus bar or a metal plate configured to electrically connect the plurality of battery cells.
- the prior art battery pack basically measures the current and temperature change according to the charging and discharging of a plurality of battery cells in order to grasp the operating state of the battery or the battery life.
- a battery pack of the prior art uses a current sensing wire to measure currents of a plurality of battery cells, and a temperature sensing wire to measure temperature.
- the current sensing wire and the temperature sensing wire are fixed to the outer surface of the cell frame using double-sided tape.
- an object of the present invention is to provide a battery pack that facilitates installation of a sensing wire and reduces manufacturing cost.
- a measuring unit configured to measure at least one current and temperature of the plurality of battery cells
- At least one sensing wire electrically connected to the measuring unit and including a current flowing wire
- a side wall portion to form an inner space for accommodating the plurality of battery cells, and a space for accommodating the pillar part protruding outwardly from the side wall portion and the at least one sensing wire from the protruding end of the pillar part and a cell frame having a fixing part including a bent part extended by bending.
- a first pillar part located on one side with respect to the sensing wire and protruding outwardly from the sidewall part, and a first bent part extending in a bent form to surround the sensing wire from the protruding end of the first pillar part
- a first fixing unit having a
- a second pillar part located on the other side with respect to the sensing wire and protruding outwardly from the sidewall part, and a second pillar part extending in a bent form from the protruding end of the second pillar part and positioned to face the first bent part,
- a second fixing part having a second bent part spaced apart from the first bent part by a predetermined distance may be provided.
- the second pillar part may be spaced apart from an end of the first bent part by a predetermined distance.
- a pressing protrusion may be further provided on one surface facing the sensing wire.
- a fixing protrusion protruding toward the sensing wire may be further provided.
- the second fixing part may further include a guide part having an inclined surface that protrudes the sensing wire from the second pillar part, and the length protruding from the side wall part gradually decreases as it gets closer to the sensing wire. there is.
- At least one of the first pillar part and the second pillar part may be provided with a reinforcing rib extending to the side wall portion.
- a hook extending from an end of the bent part may be provided to surround one side of the sensing wire.
- the electronic device according to the present invention for achieving the above object includes at least one battery pack.
- the vehicle according to the present invention for achieving the above object includes at least one battery pack.
- the present invention includes a fixing part having a space for accommodating at least one or more wires, so that, unlike the battery pack of the prior art, the wire is attached to the cell frame without using an adhesive tape (double-sided tape). Since the bar can be accommodated and fixed to the cell frame, the process of manually attaching the wire to the outer surface of the cell frame using an adhesive tape can be omitted, effectively reducing manufacturing cost and manufacturing process time.
- FIG. 1 is a perspective view schematically showing a state of a battery pack according to a first embodiment of the present invention.
- FIG. 2 is an exploded perspective view schematically illustrating the configuration of the battery pack according to the first embodiment of the present invention.
- FIG. 3 is a partial perspective view illustrating an enlarged state of the fixing part region of FIG. 1 .
- FIG. 4 is a schematic cross-sectional view of the fixing part region of FIG. 3 .
- FIG. 5 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 2 of the present invention.
- FIG. 6 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to a third embodiment of the present invention.
- FIG. 7 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 4 of the present invention.
- FIG. 8 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 5 of the present invention.
- FIG. 1 is a perspective view schematically showing a state of a battery pack according to a first embodiment of the present invention
- FIG. 2 is an exploded perspective view schematically showing the configuration of the battery pack according to the first embodiment of the present invention
- FIG. 3 is It is a partial perspective view showing an enlarged state of the fixing part of FIG. 1 .
- the battery pack 100 includes a plurality of battery cells 110 , a measuring unit 160 , at least one sensing wire 120 , and a cell frame. (130).
- each of the plurality of battery cells 110 may be a lithium secondary battery capable of charging and discharging.
- the battery cell 110 may be a can-type battery cell 110 .
- the battery cell 110 may include a positive terminal 111 and a negative terminal 112 at one end and the other end, respectively.
- the battery cell 110 may include a cylindrical can.
- the battery pack 100 according to the present invention is not limited to the configuration of the battery cell 110 having a specific shape. That is, various battery cells 110 known at the time of filing of the present invention may be employed in the battery pack 100 according to the present invention.
- the battery pack 100 of the present invention may further include a plurality of metal plates 170 .
- the metal plate 170 may be configured to form an electrical connection between the plurality of cylindrical battery cells 110 .
- the metal plate 170 may include a conductive metal.
- the metal plate 170 may include, for example, at least one of copper, nickel, and aluminum.
- the metal plate 170 may be mounted on the left or right side of the cell frame 130 .
- four metal plates 170 may be mounted on the right side of the battery pack 100 .
- the measuring unit 160 may be configured to measure at least one current and temperature of the plurality of battery cells 110 .
- the at least one sensing wire 120 includes a current sensing wire 121 for current sensing of the plurality of battery cells 110 and a temperature sensing wire 122 for sensing the temperature of the plurality of battery cells 110 .
- the current sensing wire 121 may be configured to transmit at least one current among the plurality of battery cells 110 to the measuring unit 160 .
- the current sensing wire 121 may include a wire electrically connected to at least some of the plurality of battery cells 110 .
- the current sensing wire 121 may be configured to contact a portion of the metal plate 170 through a ring terminal provided at an end thereof.
- the temperature sensing wire 122 may be configured to measure the current intensity of at least some of the plurality of battery cells 110 .
- a thermistor may be provided at a lower end of the temperature sensing wire 122 .
- the measuring unit 160 may be configured to calculate the temperature of the battery cell 110 through the electrical signal received from the thermistor.
- the measuring unit 160 may include a connector C configured to be connected to the current sensing wire 121 and the temperature sensing wire 122 .
- the measurement unit 160 may be configured to calculate the temperature of the battery cell 110 through the electrical signal transmitted from the current sensing wire 122 .
- the measuring unit 160 may be configured to calculate a current level of the battery cell 110 through a current transmitted from the current sensing wire 121 .
- the cell frame 130 may include an electrically insulating material.
- the cell frame 130 may include polyvinyl chloride.
- the cell frame 130 may include a side wall portion 133 .
- the side wall part 133 may be configured to form an internal space accommodating the plurality of battery cells 110 .
- the side wall part 133 may include a front side wall located at the front, a rear side wall located at the rear, a left wall located on the left side, and a right side wall located on the right side.
- the cell frame 130 may include an upper wall covering the upper portions of the plurality of battery cells 110 and a lower wall covering the lower portions of the plurality of battery cells 110 .
- the positive X-axis direction and the negative X-axis direction shown in FIG. 1 of the present invention may mean a right direction and a left direction.
- the positive direction of the Y-axis and the negative direction of the Y-axis may refer to the rear and the front.
- the positive direction of the Z axis and the negative direction of the Z axis may refer to an upward direction and a downward direction.
- the cell frame 130 may have a box-shaped body as a whole.
- the cell frame 130 may have a plurality of hollows O of the body to accommodate the plurality of battery cells 110 therein.
- the cell frame 130 may have a plurality of cylindrical hollows O, as shown in FIG. 2 .
- the cell frame 130 may include a first frame 131 and a second frame 132 forming a space for accommodating the plurality of cylindrical battery cells 110 .
- the first frame 131 may be configured such that a rear end thereof is coupled to a front end of the second frame 132 .
- the coupling method may be, for example, bolting coupling.
- the cell frame 130 may include a fixing part 134 .
- the fixing part 134 may include a pillar part 134c and the bent part 134d.
- the pillar part 134c may have a shape protruding outward from the side wall part 133 .
- the pillar part 134c may have a shape extending in the right direction from the right wall of the cell frame 130 .
- the bent part 134d may be bent and extended from the protruding end of the pillar part 134c.
- the pillar part 134c may have a shape extending forward or downward from the right wall of the cell frame 130 .
- the bent part 134d may be configured to form a space accommodating the at least one sensing wire 120 .
- three sensing wires 120 may be positioned inside the bent part 134d.
- 'inside' means a direction in which the plurality of cylindrical battery cells 110 accommodated in the cell frame 130 are located.
- the bent part 134d may prevent the at least one sensing wire 120 accommodated inside the bending part 134d from being detached from the outside again due to its shape.
- the present invention is provided with a fixing part 134 having a space for accommodating the at least one sensing wire 120, and unlike the battery pack 100 of the prior art, adhesion Since the sensing wire 120 can be accommodated and fixed to the cell frame 130 without using a tape, an operator manually attaches the sensing wire 120 to the cell frame 130 using an adhesive tape. Since the process can be omitted, it is possible to effectively reduce the manufacturing cost and the manufacturing process time.
- FIG. 4 is a schematic cross-sectional view of the fixing part region of FIG. 3 .
- the fixing part 134 of the battery pack 100 includes a first fixing part 134a and a second fixing part 134b. can do.
- the first fixing part 134a may be located on one side with respect to the sensing wire 120 .
- the first fixing part 134a may be located in front of the sensing wire 120 .
- the first fixing part 134a may include a first pillar part 134c1 and a first bent part 134d1 .
- the first pillar part 134c1 may protrude outward from the side wall part 133 .
- the first pillar part 134c1 may be provided on the side wall part 133 and extend in a right direction from the side wall part 133 .
- the first bent part 134d1 may be a bent portion extending from the protruding end of the first pillar part 134c1 .
- the first bent part 134d1 may have a bent shape to surround a portion of the sensing wire 120 .
- the bending direction of the first bent part 134d1 may be rearward (positive direction of the Y-axis).
- the first fixing part 134a may be provided in the first frame 131 .
- the second fixing part 134b may be located on the other side with respect to the sensing wire 120 .
- the second fixing part 134b may be located in front of the sensing wire 120 .
- the second fixing part 134b may include a second pillar part 134c2 and a second bent part 134d2 .
- the second pillar part 134c2 may protrude outward from the side wall part 133 .
- the second pillar part 134c2 may be provided on the side wall part 133 and extend in a right direction from the side wall part 133 .
- the second bent part 134d2 may extend from a protruding end of the second pillar part 134c2 in a bent shape.
- the second bent part 134d2 may have a bent shape to cover a portion of the sensing wire 120 .
- the second bent part 134d2 may be forward (a negative direction of the Y-axis) in a bent direction.
- the second fixing part 134b may be provided in the second frame 132 .
- the second bent part 134d2 may be positioned to face the first bent part 134d1 .
- the second bent part 134d2 may be positioned to be spaced apart from the first bent part 134d1 by a predetermined distance in an outer direction.
- a space in which the first bent part 134d1 and the second bent part 134d2 are spaced apart from each other may be larger than a thickness of the sensing wire 120 .
- the second pillar part 134c2 may be spaced apart from an end of the first bent part 134d1 by a predetermined distance.
- the second pillar part 134c2 may be spaced apart from the end of the first bent part 134d1 in the front-rear direction (Y direction).
- the size of the spaced-apart space may be equal to or greater than the thickness of the sensing wire 120 .
- the present invention by providing the first fixing part 134a and the second fixing part 134b, a portion of the sensing wire 120 is double covered from the outside to protect it. Thus, when an external shock occurs to the battery pack 100 , the sensing wire 120 may be protected from being damaged by an external object. Furthermore, in the present invention, by moving the sensing wire 120 through the spaced apart space between the first fixing part 134a and the second fixing part 134b, the first fixing part 134a of the first fixing part 134a is moved. There is an advantage that can be safely accommodated inside the bent part (134d1).
- the sensing wire 120 accommodated inside the first bent part 134d1 of the first fixing part 134a is provided with the first fixing part 134a and the second fixing part 134b. Since it is configured to be difficult to escape to the outside through the zigzag-shaped movement space formed by the , the sensing wire 120 may stably maintain a fixed position inside the first fixing part 134a.
- FIG. 5 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 2 of the present invention.
- the first fixing part 134a of the battery pack 100 has a pressing protrusion P1 compared to the first fixing part 134a of FIG. 4 . More may be provided. Specifically, the pressing protrusion P1 may be formed on one surface of the first bent part 134d1 facing the sensing wire 120 . The pressing protrusion P1 may be configured to press the sensing wire 120 located inside the first bent part 134d1 toward the side wall part 133 . That is, the pressing protrusion P1 may be configured to position the sensing wire 120 accommodated inside the first bent part 134d1.
- the present invention further includes a pressing protrusion P1 on one surface of the first bent part 134d1, so that the sensing wire 120 is installed in the first fixing part 134a. It can be stably maintained in a fixed state. Accordingly, according to the present invention, the sensing wire 120 can be fixed to the cell frame 130 without a separate fixing member such as an adhesive tape, thereby shortening the manufacturing process of the battery pack 100 and reducing manufacturing cost. can do.
- FIG. 6 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to a third embodiment of the present invention.
- the battery pack 100 has a fixing protrusion on the sidewall 133 of the cell frame 130 when compared with the battery pack 100 of FIG. P2) may be further provided.
- the fixing protrusion P2 may be formed on one surface of the side wall portion 133 facing the sensing wire 120 .
- the fixing protrusion P2 may be configured to press the sensing wire 120 located inside the first fixing part 134a toward the first bent part 134d1 . That is, the fixing protrusion P2 may be configured to position the sensing wire 120 accommodated inside the first fixing part 134a.
- the present invention further includes a fixing protrusion P2 on one surface of the side wall portion 133 so that the sensing wire 120 is stable in the first fixing portion 134a. can be maintained in a fixed state. Accordingly, according to the present invention, the sensing wire 120 can be fixed to the cell frame 130 without a separate fixing member such as an adhesive tape, thereby shortening the manufacturing process of the battery pack 100 and reducing manufacturing cost. can do.
- FIG. 7 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 4 of the present invention.
- the battery pack 100 may further include a guide part 135 when compared to the battery pack 100 of FIG. 4 .
- the guide part 135 may sail through the sensing wire 120 from the second pillar part 134c2 of the second fixing part 134b.
- the guide part 135 may be a portion protruding forward from the inner surface of the second fixing part 134b.
- the guide part 135 may have an inclined surface 135a whose length protruding from the sidewall part 133 gradually decreases as it approaches the sensing wire 120 . That is, the guide part 135 may have the shape of a triangular block having an inclined surface 135a.
- the inclined surface 135a may be configured to be gradually closer to the side wall portion 133 toward the front.
- the second fixing part 134b is provided with a guide part 135 having an inclined surface 135a, so that the sensing wire 120 is connected to the first first fixing part 134b.
- the sensing wire 120 When moving to the inside of the fixing part 134a, it can be easily fixed in place by riding on the inclined surface 135a of the guide part 135 .
- the fixing part 134 of the battery pack 100 may be provided with a reinforcing rib (R).
- the reinforcing rib R may be provided on at least one of the first pillar part 134c1 and the second pillar part 134c2 .
- reinforcing ribs R may be provided on the first pillar part 134c1 and the second pillar part 134c2 .
- the reinforcing rib R may extend forward from the first pillar part 134c1 to the side wall part 133 .
- the reinforcing rib R may extend rearwardly from the second pillar part 134c2 to the side wall part 133 .
- the present invention by providing the reinforcing rib (R) to the fixing part 134, when the fixing part 134 collides with an external object, the reinforcement rib (R) It may not be easily damaged by Accordingly, the battery pack 100 of the present invention can effectively increase the durability of the cell frame 130 .
- FIG. 8 is a view corresponding to FIG. 4 and is a schematic cross-sectional view of a fixing part region of a battery pack according to Embodiment 5 of the present invention.
- the fixing part 134 of the battery pack 100 according to another embodiment 5 of the present invention may further include a hook H when compared to the fixing part 134 of FIG. 4 .
- the fixing part 134 of the battery pack 100 according to another embodiment 5 of the present invention may include a pillar part 134c and a bent part 134d.
- the hook H may extend from an end of the bent part 134d.
- the hook H may have a bent shape to surround one side of the sensing wire 120 . That is, the hook H may be configured to prevent the sensing wire 120 located inside the fixing part 134 from escaping from the fixing part 134 to the outside again.
- the present invention is to more stably fix the sensing wire 120 located inside the fixing part 134 by further providing a hook (H) to the fixing part 134 .
- the battery pack 100 according to an embodiment of the present invention, various devices (not shown) for controlling the charging and discharging of the battery pack 100, for example, a BMS (Battery Management System), a current sensor, a fuse, etc. More may be included.
- BMS Battery Management System
- an electronic device (not shown) according to an embodiment of the present invention includes at least one or more of the aforementioned battery packs 100 .
- the electronic device may further include a device housing (not shown) having a storage space for accommodating the battery pack 100 and a display unit through which the user can check the charging state of the battery pack 100 .
- At least one battery pack 100 according to an embodiment of the present invention may be included in a vehicle such as an electric vehicle or a hybrid vehicle. That is, the vehicle according to the embodiment of the present invention may mount the battery pack 100 according to the embodiment of the present invention described above in a vehicle body.
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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)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
Claims (10)
- 복수의 전지셀;상기 복수의 전지셀의 적어도 하나 이상의 전류 및 온도를 측정하도록 구성된 측정부;상기 측정부와 전기적으로 연결되고 전류가 흐르는 전선이 포함된 적어도 하나 이상의 센싱 와이어; 및상기 복수의 전지셀을 수용하는 내부 공간을 형성하도록 측벽부, 및 상기 측벽부로부터 외부 방향으로 돌출된 기둥 파트와 상기 적어도 하나 이상의 센싱 와이어를 수용하는 공간을 형성하도록 상기 기둥 파트의 돌출된 단부로부터 절곡 연장된 절곡 파트를 포함한 고정부를 구비한 셀 프레임을 포함하는 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 고정부는,상기 센싱 와이어를 기준으로 일측에 위치하고 상기 측벽부로부터 외부 방향으로 돌출된 제1 기둥 파트, 및 상기 제1 기둥 파트의 돌출된 단부로부터 상기 센싱 와이어를 감싸도록 절곡된 형태로 연장된 제1 절곡 파트를 구비한 제1 고정부; 및상기 센싱 와이어를 기준으로 타측에 위치하고 상기 측벽부로부터 외부 방향으로 돌출된 제2 기둥 파트, 및 상기 제2 기둥 파트의 돌출된 단부로부터 절곡된 형태로 연장되고 상기 제1 절곡 파트와 대면하도록 위치되며 상기 제1 절곡 파트와 소정 거리로 이격된 제2 절곡 파트를 구비한 제2 고정부를 구비한 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 제2 기둥 파트는, 상기 제1 절곡 파트의 단부와 소정 거리로 이격된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 제1 절곡 파트는,상기 센싱 와이어와 대면하는 일면에 가압 돌기가 더 구비된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 측벽부에는,상기 센싱 와이어를 향해 돌출된 고정 돌기가 더 구비된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 제2 고정부의 상기 제2 기둥 파트로부터 상기 센싱 와이어를 항해 돌출되고, 상기 센싱 와이어와 가까울수록 상기 측벽부로부터 돌출된 길이가 점진적으로 줄어드는 경사진 면을 가진 가이드부를 더 구비된 것을 특징으로 하는 배터리 팩.
- 제2항에 있어서,상기 제1 기둥 파트 및 상기 제2 기둥 파트 중 적어도 하나에는 상기 측벽부까지 연장된 강화 리브가 구비된 것을 특징으로 하는 배터리 팩.
- 제1항에 있어서,상기 고정부는,상기 센싱 와이어의 일측부를 감싸도록 상기 절곡 파트의 단부로부터 연장된 후크가 구비된 것을 특징으로 하는 배터리 팩.
- 제1항 내지 제8항 중, 어느 한 항에 따른 배터리 팩을 적어도 하나 이상 포함한 것을 특징으로 하는 전자 디바이스.
- 제1항 내지 제8항 중, 어느 한 항에 따른 배터리 팩을 적어도 하나 이상 포함한 것을 특징으로 하는 자동차.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022565909A JP7500769B2 (ja) | 2020-10-21 | 2021-09-06 | バッテリーパック、電子デバイス及び自動車 |
| US18/008,366 US12567609B2 (en) | 2020-10-21 | 2021-09-06 | Battery pack, electronic device and vehicle |
| CN202180035767.6A CN115668582A (zh) | 2020-10-21 | 2021-09-06 | 电池组、电子设备以及车辆 |
| EP21883010.7A EP4164025A4 (en) | 2020-10-21 | 2021-09-06 | Battery pack, electronic device, and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2020-0137094 | 2020-10-21 | ||
| KR1020200137094A KR102957149B1 (ko) | 2020-10-21 | 배터리 팩, 전자 디바이스, 및 자동차 |
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| WO2022085937A1 true WO2022085937A1 (ko) | 2022-04-28 |
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| PCT/KR2021/012069 Ceased WO2022085937A1 (ko) | 2020-10-21 | 2021-09-06 | 배터리 팩, 전자 디바이스, 및 자동차 |
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|---|---|
| US (1) | US12567609B2 (ko) |
| EP (1) | EP4164025A4 (ko) |
| JP (1) | JP7500769B2 (ko) |
| CN (1) | CN115668582A (ko) |
| TW (1) | TWI911310B (ko) |
| WO (1) | WO2022085937A1 (ko) |
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| US20240055709A1 (en) * | 2021-02-25 | 2024-02-15 | Honda Motor Co., Ltd. | Battery pack |
| EP4439777A1 (en) * | 2023-02-10 | 2024-10-02 | Delta Electronics Inc. | Battery module with temperature sensing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2026083995A1 (ja) * | 2024-10-17 | 2026-04-23 | 株式会社Aescジャパン | 電池パック |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW202220262A (zh) | 2022-05-16 |
| KR20220052773A (ko) | 2022-04-28 |
| US12567609B2 (en) | 2026-03-03 |
| JP2023524002A (ja) | 2023-06-08 |
| CN115668582A (zh) | 2023-01-31 |
| TWI911310B (zh) | 2026-01-11 |
| US20230291019A1 (en) | 2023-09-14 |
| JP7500769B2 (ja) | 2024-06-17 |
| EP4164025A1 (en) | 2023-04-12 |
| EP4164025A4 (en) | 2025-01-22 |
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