WO2022163477A1 - 電源装置及びその製造方法 - Google Patents
電源装置及びその製造方法 Download PDFInfo
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- WO2022163477A1 WO2022163477A1 PCT/JP2022/001892 JP2022001892W WO2022163477A1 WO 2022163477 A1 WO2022163477 A1 WO 2022163477A1 JP 2022001892 W JP2022001892 W JP 2022001892W WO 2022163477 A1 WO2022163477 A1 WO 2022163477A1
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- Prior art keywords
- battery
- power supply
- supply device
- ground terminal
- board
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 230000006378 damage Effects 0.000 abstract description 6
- 238000003860 storage Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/44—Methods for charging or discharging
-
- 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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging 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
- 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
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising 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
- H01M50/20—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
-
- 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 power supply device and its manufacturing method.
- a power supply with a large number of secondary battery cells connected in series and parallel can be used as a backup power supply for servers, as a power supply for stationary power storage in homes, offices, and factories, as well as for hybrid vehicles and electric vehicles. It is used as a power source for driving vehicles such as automobiles, electric carts, and electric scooters, and as a power source for driving assisted bicycles and electric tools.
- a plurality of secondary battery cells are connected in series to achieve high output.
- a power supply device 600 shown in the exploded perspective view of FIG. I have it.
- An IC chip such as an AFE is mounted on the circuit board 640 .
- Battery holder 610 and circuit board 640 are electrically connected via a lead plate or the like.
- the circuit board 640 is generally in the form of a flat plate as shown in FIG. 6, and has a structure in which patterns for electrical connection and lead plates are fixed on its surface. It is uncertain which of the two contacts first to establish conduction, and even if one tries to connect the low potential side first, other parts may unintentionally come into contact with each other, making the work cumbersome.
- One of the objects of the present invention is to provide a power supply device that avoids unintended damage during assembly and improves workability, and a method of manufacturing the same.
- a method for manufacturing a power supply device includes a plurality of secondary battery cells each having an electrode terminal, and a battery holding the plurality of secondary battery cells.
- a method for manufacturing a power supply device comprising a holder and a circuit board on which a control circuit that is electrically connected to the plurality of secondary battery cells and controls charging and discharging is mounted, wherein the plurality of secondary battery cells are drawn out from the battery holder.
- a step of connecting a battery-side ground terminal which is the ground side of the total output obtained by electrically connecting the secondary battery cells in series and / or in parallel, to the board-side ground terminal provided on the circuit board;
- One or more substrates on which the circuit board is placed, and one or more battery-side intermediate terminals electrically connected to at least one of the plurality of secondary battery cells provided on the battery holder are provided on the circuit board. side intermediate terminals and connecting respectively.
- the step of connecting the battery-side ground terminal to the substrate-side ground terminal may include: a step of connecting the battery-side ground terminal pulled out to the outside with the board-side ground terminal.
- a power supply device includes: a plurality of secondary battery cells each having an electrode terminal; a battery holder holding the plurality of secondary battery cells; and a circuit board mounted thereon, wherein the battery holder includes one or more battery-side intermediate terminals electrically connected to at least one of the plurality of secondary battery cells, and an external terminal from the battery holder. and a battery-side ground terminal that serves as a ground side for a total output in which the plurality of secondary battery cells are electrically connected in series and/or in parallel, and the circuit board is connected to the one or more battery-side intermediate terminals.
- the battery-side ground terminal pulled out from the battery holder can be connected to the substrate-side ground terminal first, so that the battery-side intermediate terminal and the substrate-side intermediate terminal are electrically connected first.
- the reliability during assembly can be improved by avoiding the breakage caused by this.
- the battery-side ground terminal is pulled out from the battery holder via a flexible member.
- the board-side intermediate terminal is located on the side of the circuit board facing the battery holder and is located on the battery-side intermediate terminal.
- a lug terminal is provided at a position corresponding to the terminal, and the circuit board is placed on one surface of the battery holder, and the lug terminal is connected to the battery-side intermediate terminal.
- the battery holder connects the electrode terminals of adjacent secondary battery cells among the plurality of secondary battery cells to each other.
- the lead plate serving as the ground side of the total output by electrically connecting the plurality of secondary battery cells in series and/or in parallel is defined as a ground lead plate;
- a battery-side ground terminal is connected to the ground lead plate.
- the power supply device is such that the flexible member is a lead wire, and one end of the lead wire is connected to the battery-side ground terminal. and the other end is a free end that can be connected to the ground lead plate.
- the power supply device is characterized in that the battery-side ground terminal is a battery-side ground terminal provided at the other end of the lead wire connected to the substrate-side ground terminal.
- a connector is provided, and the board-side ground terminal is provided with a board-side connector connected to the battery-side connector.
- the battery holder connects electrode terminals of adjacent secondary battery cells among the plurality of secondary battery cells, respectively.
- a plurality of lead plates for electrical connection are provided, and the battery-side intermediate terminals are formed on a portion of the plurality of lead plates.
- the circuit board is formed in a rectangular shape, and the board-side ground terminal is attached to an edge of the rectangular shape. are provided. With the above configuration, it is possible to easily connect the battery-side ground terminal to the board-side ground terminal provided on the edge of the circuit board.
- a power supply device includes: a plurality of secondary battery cells each having an electrode terminal; a battery holder holding the plurality of secondary battery cells; a circuit board to be mounted, wherein the battery holder includes one or more battery-side intermediate terminals electrically connected to at least one of the plurality of secondary battery cells; a battery-side ground terminal that serves as a ground side for a total output in which battery cells are electrically connected in series and/or in parallel, and the circuit board includes one or more substrate-side intermediate terminals connected to the one or more battery-side intermediate terminals. and a board-side ground terminal connected to the battery-side ground terminal, which is led out from the circuit board.
- the power supply device is such that the battery-side ground terminal includes a battery-side connector, and the board-side ground terminal includes the battery-side connector.
- a mating board-side connector is provided.
- FIG. 1 is an exploded perspective view showing a power supply device according to Embodiment 1 of the present invention
- FIG. 2 is an enlarged plan view of a main part of the power supply device of FIG. 1
- FIG. FIG. 2 is an exploded perspective view of the power supply device of FIG. 1 as seen from the rear side
- 2 is a bottom view of the circuit board of FIG. 1
- FIG. FIG. 11 is an exploded perspective view showing a power supply device according to Embodiment 2
- FIG. 11 is an exploded perspective view showing a conventional power supply device.
- the power supply device of the present invention is a backup power supply for a server, a power supply mounted in an electric vehicle such as a hybrid vehicle or an electric vehicle to supply power to a running motor, and a storage of power generated by natural energy sources such as solar power generation and wind power generation. It is used for various purposes such as a power source for storing power at night, and a power source for storing late-night power.
- a power supply device used as a backup power supply for a server will be described below as an embodiment of the present invention. [Embodiment 1]
- FIG. 1 An exploded perspective view of FIG. 1 shows a power supply device 100 according to Embodiment 1 of the present invention.
- a power supply device 100 shown in this figure includes a battery holder 10 and a circuit board 40 placed on one surface of the battery holder 10 .
- a battery holder 10 holds a plurality of secondary battery cells 1 . (Secondary battery cell 1)
- Each secondary battery cell 1 is a cylindrical secondary battery cell having a cylindrical exterior can. Cylindrical secondary battery cell 1 has electrode surfaces on both end faces. A plurality of secondary battery cells 1 are connected at least in series. Preferably, the secondary battery cells 1 connected in series are further connected in parallel. The output of the battery assembly composed of the secondary battery cells 1 including series connection in this way is output from the power supply device 100 .
- the secondary battery cell 1 is a cylindrical lithium ion secondary battery. However, in the power supply device of the present invention, the secondary battery cells are not specified as cylindrical batteries, nor are they specified as lithium ion secondary batteries. Battery cells can also be all rechargeable batteries, such as nickel metal hydride battery cells. (Battery holder 10)
- the battery holder 10 is a member for holding a plurality of secondary battery cells 1.
- the battery holder 10 forms a cylindrical battery holder into which the cylindrical secondary battery cell 1 can be inserted.
- the battery holding portion is arranged in two stages, and the center of the cylinder of the battery holding portion is offset between the upper and lower stages, thereby suppressing the overall thickness.
- the battery holder 10 is made of a material having excellent insulation and heat resistance, such as polycarbonate ABC resin.
- the battery holder 10 is divided into a plurality of sub-holders, and configured to sandwich the secondary battery cells 1 from both sides. An intermediate portion of the secondary battery cell 1 is exposed from the sub-holder. Further, the lead plate 20 is fixed to the side surface of the battery holder 10 while the secondary battery cell 1 is sandwiched between the sub-holders, and the secondary battery cell 1 and the lead plate 20 are welded. A lead positioning guide along the outer shape of the lead plate 20 is formed on the side surface of the battery holder 10 so as to position the lead plate 20 at a predetermined position.
- the battery holder 10 includes a plurality of lead plates 20 and battery-side ground terminals 30 .
- a plurality of lead plates 20 are provided with battery-side intermediate terminals 21 .
- Battery-side intermediate terminal 21 is electrically connected to at least one of the plurality of secondary battery cells 1 . (Lead plate 20)
- Each lead plate 20 is arranged on the side surface of the battery holder 10 and connected to the electrode surfaces of the plurality of secondary battery cells 1 .
- the lead plate 20 is used to connect a plurality of secondary battery cells 1 in series and in parallel.
- a high-capacity secondary battery cell 1 such as a lithium ion secondary battery
- the potential of each lead plate 20 is detected in order to grasp the state of each secondary battery cell 1.
- 20 and the voltage of the assembly of the secondary battery cells 1 connected in parallel can be grasped.
- a battery assembly is formed of a total of 42 secondary battery cells 1, in which six secondary battery cells 1 are connected in parallel and seven sets of these are connected in series.
- the plurality of lead plates 20 electrically connect the electrode terminals of adjacent secondary battery cells 1 to each other.
- a plurality of secondary battery cells 1 are electrically connected in series and/or in parallel, and a lead plate serving as the ground side of the total output is designated as a ground lead plate 20G.
- a ground terminal 30 is connected.
- the battery-side ground terminal 30 is connected to the ground side of the total output obtained by electrically connecting a plurality of secondary battery cells 1 in series and/or in parallel.
- the battery-side ground terminal 30 is drawn out from the battery holder 10 .
- the upper surface of the battery holder 10 is used as a mounting surface 11 on which the circuit board 40 is mounted.
- a frame for holding the circuit board may be formed on the substrate mounting surface.
- a board holder for holding the circuit board may be provided separately.
- the circuit board 40 is mounted on the mounting surface 11 .
- the circuit board 40 is equipped with electronic circuits such as a voltage detection circuit that detects the intermediate potential of the battery assembly in which the secondary battery cells 1 are connected in series or in parallel, a control circuit that controls charging and discharging, and a safety circuit. be done.
- the intermediate potential of the plurality of series-connected secondary battery cells 1 forming the battery assembly is detected from the potential of the lead plate 20 and input to the voltage detection circuit.
- the circuit board 40 is formed in a rectangular shape.
- the circuit board 40 includes a board-side intermediate terminal 41 and a board-side ground terminal 46 .
- the board-side intermediate terminal 41 is connected to one or more battery-side intermediate terminals 21 .
- the board-side ground terminal 46 is connected to the battery-side ground terminal 30 .
- the ground of the circuit board 40 is easily and reliably connected to the ground of the battery holder 10 first to improve stability, and then the circuit board 40 and the battery holder are connected. 10 can be safely connected.
- the circuit board 40 is provided with the board-side ground terminal 46 on the edge side of the rectangular shape.
- the board-side ground terminal 46 By arranging the board-side ground terminal 46 at the edge of the circuit board 40 in this manner, the battery-side ground terminal 30 that is pulled out can be easily connected.
- board-side ground terminals 46 are arranged at the longitudinal edge of the circuit board 40 extending in one direction. (Battery-side ground terminal 30)
- the battery-side ground terminal 30 is preferably pulled out from the battery holder 10 via a flexible member, as shown in FIG.
- the lead wire 31 can be used as the flexible member.
- One end of the lead wire 31 is previously connected to the ground lead plate 20G.
- the other end of the lead wire 31 is a free end that can be connected to the ground lead plate 20G. This configuration makes it easy to connect the battery-side ground terminal 30 drawn out from the battery holder 10 by the flexible lead wire 31 to the board-side ground terminal 46 .
- one end of the lead wire 31 serves as a round terminal 32 and is screwed to the ground lead plate 20G.
- the upper end of the ground lead plate 20G is bent into an L shape, a through hole is provided, and a round terminal 32 is screwed.
- a battery-side connector 33 is provided at the other end of the lead wire 31 , that is, the tip side.
- the board-side ground terminal 46 is provided with a board-side connector 47 that engages with the battery-side connector 33 .
- the battery holder 10 has one or more holder-side terminals 12 connected to one or more battery-side intermediate terminals 21 on the side facing the circuit board 40 .
- the holder-side terminal 12 may be formed by bending the battery-side intermediate terminal 21 provided on the lead plate 20 .
- the circuit board 40 has lug terminals 42 mounted at positions corresponding to the holder-side terminals 12 on the side facing the battery holder 10 as shown in FIG. With such a configuration, the lug terminals 42 can be connected to the holder-side terminals 12 by placing the circuit board 40 thereon. That is, before placing the circuit board 40, the battery-side ground terminal 30 is previously connected to the board-side ground terminal 46 as shown in FIG.
- the board-side ground terminal 46 of the circuit board 40 is reliably connected first for stabilization.
- the safety is high and the yield is excellent, and since the order of connection is not specified, highly flexible and efficient assembly work is realized.
- the back side of the circuit board 40 is tilted vertically so that it can be easily seen, but this does not necessarily mean that the circuit board 40 is placed on the mounting surface 11 of the battery holder 10 in such a vertical position. .
- a positioning mechanism may be provided on the mounting surface 11 of the battery holder 10 and the circuit board 40 so that the lug terminals 42 and the holder-side terminals 12 can be easily connected in a positioned state.
- a protrusion may be formed on the mounting surface 11 and the edge of the circuit board 40 may be positioned by pressing the protrusion.
- recesses or holes may be formed in the circuit board 40, and locking pieces to be inserted into these recesses or holes may be formed on the mounting surface 11 side.
- a fitting structure can be provided at the joint portion between the lug terminal 42 and the holder-side terminal 12, so that both the mechanical connection and the positioning function can be used.
- This power supply device 100 is assembled in the following procedure. First, the battery-side ground terminal 30 pulled out from the battery holder 10 is connected to the board-side ground terminal 46 provided on the circuit board 40 . Next, the circuit board 40 is mounted on the mounting surface 11 of the battery holder 10, and the battery-side intermediate terminals 21 are connected to the board-side intermediate terminals 41, respectively. In this way, when the power supply device 100 is assembled, the battery-side ground terminal 30 pulled out from the battery holder 10 can be easily connected to the board-side ground terminal 46 first, and as a result, the ground of the circuit board 40 is stabilized. As a result, the reliability during assembly can be improved by avoiding the breakage caused by the first electrical connection between the battery-side intermediate terminal 21 and the substrate-side intermediate terminal 41 . [Embodiment 2]
- the present invention is not limited to this configuration, and any configuration that facilitates connection between the ground on the battery side and the ground on the substrate side may be used.
- the board-side ground terminal may be pulled out from the circuit board side and connected to the battery-side ground terminal.
- FIG. 5 Such an example is shown in FIG. 5 as a power supply device according to the second embodiment.
- the same members as those of the power supply device 100 according to the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- the board-side ground terminal 46' is led out from the circuit board 40' through the lead wire 31'.
- the board-side ground terminal 46' is provided with a board-side connector 47'.
- the battery holder 10' also has a battery-side ground terminal 30' provided at the edge of the battery holder 10'.
- the battery-side ground terminal 30' is used as a battery-side connector 33'.
- a power supply device can be suitably used as a backup power supply device that can be mounted on a power supply module of a computer server.
- backup power supply for wireless base stations such as mobile phones, storage power supply for domestic use and factories, power supply for street lights, etc., power storage combined with solar cells, backup power supply for traffic lights, etc., or EV driving It can also be appropriately used for applications such as power sources for plug-in hybrid electric vehicles, hybrid electric vehicles, and electric vehicles that are capable of switching between modes and HEV running modes.
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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Abstract
Description
[実施形態1]
(二次電池セル1)
(電池ホルダ10)
(リード板20)
(回路基板40)
(電池側グランド端子30)
(ホルダ側端子12)
[電源装置100の製造方法]
[実施形態2]
1、601…二次電池セル
10、10’、610…電池ホルダ
11…載置面
12…ホルダ側端子
20…リード板
20G…グランドリード板
21…電池側中間端子
30、30’…電池側グランド端子
31、31’…リード線
32…丸端子
33、33’…電池側コネクタ
40、40’、640…回路基板
41…基板側中間端子
42…ラグ端子
46、46’…基板側グランド端子
47、47’…基板側コネクタ
Claims (12)
- それぞれが電極端子を有する複数の二次電池セルと、
前記複数の二次電池セルを保持する電池ホルダと、
前記複数の二次電池セルと電気接続され充放電を制御する制御回路を実装した回路基板と、
を備える電源装置の製造方法であって、
前記電池ホルダから外部に引き出された、前記複数の二次電池セルを直列及び/又は並列に電気接続した総出力のグランド側となる電池側グランド端子を、前記回路基板に設けた基板側グランド端子と接続する工程と、
前記電池ホルダの一面に前記回路基板を載置し、前記電池ホルダに設けた、前記複数の二次電池セルの少なくともいずれかと電気接続された一以上の電池側中間端子を、前記回路基板に設けた、一以上の基板側中間端子と、それぞれ接続する工程と、
を含む電源装置の製造方法。 - 請求項1に記載の電源装置の製造方法であって、
前記電池側グランド端子を前記基板側グランド端子と接続する工程が、前記電池ホルダから可撓性のある部材を介して外部に引き出された前記電池側グランド端子を、前記基板側グランド端子と接続する工程である電源装置の製造方法。 - それぞれが電極端子を有する複数の二次電池セルと、
前記複数の二次電池セルを保持する電池ホルダと、
前記電池ホルダの一面に載置される回路基板と、
を備える電源装置であって、
前記電池ホルダは、
前記複数の二次電池セルの少なくともいずれかと電気接続された一以上の電池側中間端子と、
前記電池ホルダから外部に引き出された、前記複数の二次電池セルを直列及び/又は並列に電気接続した総出力のグランド側となる電池側グランド端子と、
を備え、
前記回路基板は、
前記一以上の電池側中間端子と接続する一以上の基板側中間端子と、
前記電池側グランド端子と接続する基板側グランド端子と、
を備えてなる電源装置。 - 請求項3に記載の電源装置であって、
前記電池側グランド端子が、前記電池ホルダから可撓性のある部材を介して外部に引き出されてなる電源装置。 - 請求項4に記載の電源装置であって、
前記基板側中間端子は、前記回路基板の、前記電池ホルダに面する側であって、前記電池側中間端子と対応する位置に設けられたラグ端子を備えており、
前記電池ホルダの一面に前記回路基板を載置して、前記ラグ端子を前記電池側中間端子と接続するよう構成してなる電源装置。 - 請求項4又は5に記載の電源装置であって、
前記電池ホルダは、前記複数の二次電池セルの内、隣接する二次電池セルの電極端子同士をそれぞれ電気接続する複数のリード板を備え、
前記複数のリード板の内、前記複数の二次電池セルが直列及び/又は並列に電気接続され総出力のグランド側となるリード板をグランドリード板とし、
前記グランドリード板に電池側グランド端子が接続されてなる電源装置。 - 請求項6に記載の電源装置であって、
前記可撓性のある部材がリード線であり、
前記リード線は、
その一端を、前記電池側グランド端子と予め接続しており、
その他端を、前記グランドリード板と接続可能な自由端としてなる電源装置。 - 請求項7に記載の電源装置であって、
前記電池側グランド端子は、前記基板側グランド端子と接続する前記リード線の他端に設けられた電池側コネクタを備えており、
前記基板側グランド端子は、前記電池側コネクタと接続される基板側コネクタを備えて
なる電源装置。 - 請求項6~8のいずれか一項に記載の電源装置であって、
前記電池ホルダは、前記複数の二次電池セルの内、隣接する二次電池セルの電極端子同士をそれぞれ電気接続する複数のリード板を備え、
前記複数のリード板の一部に、前記電池側中間端子を形成してなる電源装置。 - 請求項1~9のいずれか一項に記載の電源装置であって、
前記回路基板は、矩形状に形成されており、
該矩形状の端縁に、前記基板側グランド端子を設けてなる電源装置。 - それぞれが電極端子を有する複数の二次電池セルと、
前記複数の二次電池セルを保持する電池ホルダと、
前記電池ホルダの一面に載置される回路基板と、
を備える電源装置であって、
前記電池ホルダは、
前記複数の二次電池セルの少なくともいずれかと電気接続された一以上の電池側中間端子と、
前記複数の二次電池セルを直列及び/又は並列に電気接続した総出力のグランド側となる電池側グランド端子と、
を備え、
前記回路基板は、
前記一以上の電池側中間端子と接続する一以上の基板側中間端子と、
前記回路基板から外部に引き出された、前記電池側グランド端子と接続する基板側グランド端子と、
を備えてなる電源装置。 - 請求項1~11のいずれか一項に記載の電源装置であって、
前記電池側グランド端子は、電池側コネクタを備えており、
前記基板側グランド端子は、前記電池側コネクタと係合する基板側コネクタを設けてなる電源装置。
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US18/262,027 US20240072398A1 (en) | 2021-01-29 | 2022-01-20 | Power supply device and method for producing same |
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JP2006019842A (ja) * | 2004-06-30 | 2006-01-19 | Matsushita Electric Ind Co Ltd | 携帯無線機 |
JP2008289234A (ja) * | 2007-05-16 | 2008-11-27 | Hitachi Vehicle Energy Ltd | セルコントローラ、電池モジュールおよび電源システム |
JP2009207276A (ja) * | 2008-02-27 | 2009-09-10 | Seiko Instruments Inc | バッテリ保護回路及びバッテリ装置 |
JP2011243426A (ja) | 2010-05-18 | 2011-12-01 | Sanyo Electric Co Ltd | 電池パック及び電池パック用コネクタ |
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JP2006019842A (ja) * | 2004-06-30 | 2006-01-19 | Matsushita Electric Ind Co Ltd | 携帯無線機 |
JP2008289234A (ja) * | 2007-05-16 | 2008-11-27 | Hitachi Vehicle Energy Ltd | セルコントローラ、電池モジュールおよび電源システム |
JP2009207276A (ja) * | 2008-02-27 | 2009-09-10 | Seiko Instruments Inc | バッテリ保護回路及びバッテリ装置 |
JP2011243426A (ja) | 2010-05-18 | 2011-12-01 | Sanyo Electric Co Ltd | 電池パック及び電池パック用コネクタ |
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