WO2016072041A1 - 電源装置 - Google Patents
電源装置 Download PDFInfo
- Publication number
- WO2016072041A1 WO2016072041A1 PCT/JP2015/004917 JP2015004917W WO2016072041A1 WO 2016072041 A1 WO2016072041 A1 WO 2016072041A1 JP 2015004917 W JP2015004917 W JP 2015004917W WO 2016072041 A1 WO2016072041 A1 WO 2016072041A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power supply
- supply device
- battery block
- output lead
- power
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
-
- 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
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
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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
- H01M50/284—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
- H01M50/298—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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/583—Devices or arrangements for the interruption of current in response to current, e.g. fuses
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1438—Back panels or connecting means therefor; Terminals; Coding means to avoid wrong insertion
- H05K7/1457—Power distribution arrangements
-
- 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
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
-
- 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
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/512—Connection only in parallel
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- 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 with a built-in secondary battery, and more particularly to a power supply device that is set in a server rack and optimal for a power supply that supplies power to a server in the event of a power failure.
- the server can be shut down normally by supplying power from the power supply in the event of a power failure.
- the power supply device used for this purpose is put into practical use as an uninterruptible power supply device.
- the uninterruptible power supply has a built-in secondary battery that supplies operating power to the server.
- the uninterruptible power supply supplies power until the server finishes the shutdown operation after detecting the power failure.
- a power supply apparatus used for this type of application needs to supply a large amount of power to a load server for a short time.
- a power supply device that supplies a large amount of power such as a vehicle power supply device, needs to increase the current capacity of a power connector or an output lead connected to the power connector. is there.
- the power connector with a large current capacity needs to have a high contact pressure by using a thick metal plate as the elastic contact that contacts the power line.
- the thick metal plate power connector is mounted in a floating state, and can be stably and smoothly electrically connected to the power line on the load side. This is because the relative displacement between the elastic contact of the power connector and the load side contact can be absorbed by moving the power connector in the floating state.
- This power connector also realizes the feature that it can be moved and moved stably to a position where it can be smoothly connected to the load side contact.
- Patent Documents 1 to 4 In order to connect the power connector reliably and stably, a device in which the power connector is attached in a floating state has been developed (see Patent Documents 1 to 4).
- the conventional structure in which the power connector is attached to the outer case in a floating state allows the power connector to move smoothly relative to the outer case and connect smoothly, but the output lead connected to the power connector is thick and difficult to bend There is a drawback that the power connector cannot be smoothly moved to the floating state.
- a large output lead is used in a high-power power supply device, it is difficult to bend the output lead smoothly, and an adverse effect that the output lead hinders the floating state of the power connector occurs.
- a thick output lead can be easily bent by making it long.
- a power supply device having a long output lead has a drawback in that it requires a space for storing it and the outer case becomes large.
- Power supply units used in various applications are often limited in outer shape by the load-side equipment to be connected.
- power supply units used in server uninterruptible power supply units can be stored in server racks. Is subject to restrictions. Even in a power supply device that is not limited by the outer shape, it is extremely important to reduce the outer shape and increase the capacity with respect to the volume. In particular, in a large-capacity power supply device, since the secondary battery occupies a considerable volume, it is extremely important how the extra space can be reduced.
- An important object of the present invention is to provide a power supply apparatus that can move a power connector attached in a floating state more smoothly without making the outer shape larger, and can be securely and stably electrically connected to a load side. .
- the power supply device of the present invention includes an outer case, a battery block having at least one secondary battery housed in the outer case, a circuit board connected to the battery block, and an output current from the battery block. And a power connector to which an output lead for outputting is connected.
- the power connector is attached to the fixed surface of the outer case in a floating state.
- the circuit board is disposed between the fixed surface and the battery block in a posture parallel to the first direction orthogonal to the fixed surface, and the output lead is provided in a wiring space provided on the lower side or the upper side of the circuit board. Arranged and connected to the battery block.
- the power supply device of the present invention is characterized in that the movement of the power connector attached in a floating state can be smoothly performed without increasing the outer shape of the outer case, and the electrical connection can be reliably and stably connected to the power line on the load side. is there.
- the power supply connector is attached to the fixed surface of the outer case in a floating state, and the circuit board is positioned between the fixed surface and the battery block in a direction parallel to the first direction orthogonal to the fixed surface. This is because the output leads are arranged in a wiring space provided on the lower side or the upper side of the circuit board and connected to the battery block.
- FIG. 7 is a cross-sectional view taken along the line VII-VII of the power connector and the outer case shown in FIG.
- FIG. 6 is a cross-sectional view of the power connector and the exterior case shown in FIG. 5 taken along line VIII-VIII.
- the power supply device of the present invention is optimal for an application that is set in a server rack and supplies operating power until the server finishes the shutdown operation in the event of a power failure.
- the present invention does not specify the use of the power supply device as the device set in the server rack, and for example, is used for all other uses that are charged and discharged with a large current with an output current of 50 A or more or 100 A or more. it can.
- the power supply device 100 shown in the vertical cross-sectional view of FIG. 1 is detachably set in the server rack 50 and supplies operating power until the server 60 normally finishes the shutdown operation in the event of a power failure. That is, it is a power supply device for terminating the server 60 in the event of a power failure.
- the illustrated server rack 50 is provided with a storage space 51 in which the power supply device 100 can be taken in and out in the horizontal direction.
- the storage space 51 is provided with a power line 53 for connecting the power connector 3 of the power supply device 100 inserted therein.
- the power line 53 is a metal plate arranged in a horizontal posture.
- the two metal plates are separated into left and right, and are arranged on the same plane in a horizontal posture to form a positive and negative power supply line 53.
- the two metal plates that are the power supply line 53 can be separated in the vertical direction and arranged parallel to each other in a horizontal posture.
- the two metal plates are insulated from each other and fixed to the server rack 50.
- the power supply device 100 is inserted into the storage space 51 of the server rack 50, and electrically connects the power connector 3 to the power supply line 53 to supply operating power to the server 60.
- the vertical cross-sectional view cut in the longitudinal direction of FIG. 2, the cross-sectional view of FIG. 3, and the block diagram of FIG. A battery block 10 having a plurality of secondary batteries 1 housed therein, a circuit board 4 connected to the battery block 10, and a fixed surface 2X of the outer case 2 are attached in a floating state to the secondary battery 1. And a power connector 3 connected to the output side via an output lead 5.
- FIG. 4 shows a block diagram of the power supply device 100.
- a power supply apparatus 100 shown in FIG. 4 includes a battery block 10 in which a plurality of secondary batteries 1 are connected in series or in parallel, or in series and parallel, and a semiconductor switching element connected to the output side of the battery block 10. 7, a protection circuit 6 that controls the semiconductor switching element 7 to be turned on and off, and a power supply connector 3 that connects the output side to the power supply line 53.
- the protection circuit 6 controls the charge / discharge current so as to protect the plurality of secondary batteries 1 constituting the battery block 10.
- the protection circuit 6 detects the voltage, temperature, and current of the secondary battery 1 constituting the battery block 10 and controls the charge / discharge current of the battery block 10.
- the protection circuit 6 controls the semiconductor switching element 7 to be turned on / off so that the voltage and the remaining capacity of the secondary battery 1 are within a set range. For example, in the protection circuit 6, the voltage of the secondary battery 1 that is being charged / discharged increases from the maximum voltage or decreases from the minimum voltage, or the remaining capacity [SOC (%)] of the secondary battery 1 is maximum. When it becomes larger than the value or smaller than the minimum value, the semiconductor switching element 7 is switched off.
- the power supply device includes a current detection resistor 8 connected in series with the battery block 10, and also detects the temperature of the secondary battery 1.
- the secondary battery 1 includes a temperature sensor 19 disposed in a thermally coupled state.
- a fuse 9 for preventing overcurrent is connected in series with the battery block 10.
- the current detection resistor 8 and the fuse 9 are connected to the output lead 5 and are connected in series with the battery block 10.
- the fuse 9 blocks the current of the battery block 10 when an overcurrent flows through the output lead 5.
- the fuse 9 and the current detection resistor 8 connected to the output lead 5 are electronic components arranged for the purpose of protecting the secondary battery 1 and the power supply device 100. Shall be included.
- the fuse 9 is used as the protective element 17 that cuts off the current of the battery block 10, but a breaker or PTC can also be used as the protective element.
- the semiconductor switching element 7 and the protection circuit 6 that detects the voltage and current and switches the semiconductor switching element 7 on and off are mounted on the circuit board 4, and the current detection resistor 8 and the fuse 9 are disposed in the outer case 2 to detect the current.
- the resistor 8 is connected to the protection circuit 6 of the circuit board 4 via the lead wire 14.
- the outer case 2 has an elongated hollow box shape, and divides the battery storage portion 11 for storing the secondary battery and the substrate storage portion 12 for storing the circuit board 4 in the longitudinal direction.
- the outer case 2 is inserted into the storage space 51 of the server rack 50, and the front plate 22 has a length that is flush with the front surface of the server 60 stored in the server rack 50. The whole has a long and narrow box shape.
- the outer case 2 has the power supply connector 3 attached with the back plate 21 as the fixed surface 2X, the substrate storage portion 12 on the back plate 21 side of the exterior case 2, and the battery storage portion 11 on the front plate 22 side.
- the substrate storage unit 12 is located on the back plate 21 side of the battery storage unit 11.
- the outer case 2 is manufactured by bending two metal plates.
- the lower metal plate 2 ⁇ / b> A has both ends of a long and narrow metal plate bent at a right angle to connect a back plate 21 and a front plate 22 to both ends of the bottom plate 20.
- the upper metal plate 2 ⁇ / b> B is formed by bending the cross-sectional shape into a U shape and connecting the side plates 24 and 24 to both sides of the upper surface plate 23.
- the lower metal plate 2A is folded by bending the both sides of the bottom plate 20, the both sides and the upper end of the back plate 21 and the front plate 22 inward.
- a bent edge 25 is provided, and a female screw hole 26 is provided in the bent edge 25.
- the upper metal plate 2B is provided with a through hole (not shown) through which a set screw 29 screwed into the female screw hole 26 is inserted.
- the exterior case 2 can connect two metal plates by inserting a set screw 29 into the through hole and screwing it into the female screw hole 26.
- the back plate 21 which is the fixed surface 2X is provided with a connector window 27 into which the power connector 3 is inserted and connected in a floating state.
- the connector window 27 has an inner shape larger than the outer shape of the power connector 3, and the power connector 3 inserted and connected thereto is attached in a floating state so as to be movable in a direction parallel to the surface of the back plate 21.
- the power supply connector 3 in a floating state can be moved in a direction parallel to the surface of the back plate 21, but is attached so as not to move in a direction perpendicular to the surface of the back plate 21.
- the exterior case 2 has the circuit board 4 disposed between the back plate 21 which is the fixed surface 2X and the battery block 10.
- the circuit board 4 is arranged in a posture parallel to a first direction orthogonal to the fixed surface 2X.
- the battery block 10 is disposed in the battery housing portion 11, and the circuit board 4 is disposed in the substrate housing portion 12.
- the circuit board 4 is arranged in a horizontal posture on the upper part of the board housing portion 12, and a wiring space 13 for the output leads 5 is provided below the circuit board 4. In the wiring space 13, the output lead 5 whose tip is connected to the power connector 3 is arranged.
- the output lead 5 is arranged in a posture extending in the first direction orthogonal to the back plate 21 that is the fixed surface 2X, that is, in the longitudinal direction of the exterior case 2 in the wiring space 13, and moves the power connector 3 in the floating state. It is easy.
- the output lead 5 can be arranged in the wiring space 13 while being wired in a posture extending linearly in the longitudinal direction of the outer case 2, or in a partially curved state, or bent in a loop shape.
- first region 5A extending from the power connector 3 toward the battery block 10, and the battery block 10 side of the first region 5A is connected to a fuse 9 and a current detection resistor.
- the circuit board 4 and the battery block 10 are connected via a protective element 17 such as 8.
- two output leads 5 are connected to the power connector 3.
- One output lead 5 is connected to the power connector 3 and extends to the battery block 10
- the second region 5 ⁇ / b> A is connected to the first connection terminal 4 a of the circuit board 4 and extends to the battery block 10.
- a region 5B is connected to the first connection terminal 4 a of the circuit board 4 and extends to the battery block 10.
- the other output lead 5 includes a first region 5A extending from the power connector 3 toward the battery block 10, and the battery block 10 side of the first region 5A is connected to the battery block 10 via the current detection resistor 8. Connected.
- the fuse 9 and the current detection resistor 8 are arranged in a board housing portion 12 in which the circuit board 4 is arranged.
- the fuse 9 and the current detection resistor 8 arranged in the board housing portion 12 have connection points 5a and 5b with the first region 5A so that the first region 5A of the output lead 5 extending from the power connector 3 becomes long. Is a position approaching the battery block 10 of the battery housing 11. That is, the connection point 5a between the fuse 9 and the first region 5A and the connection point 5b between the current detection resistor 8 and the first region 5A are portions closer to the battery block 10 than the back plate 21 that is the fixed surface 2X (substrate). It is disposed in a half area (preferably a quarter area) close to the battery storage section 11 in the storage section 12.
- the protection elements 17 such as the fuse 9 and the current detection resistor 8 disposed in the board housing part 12 are not necessarily close to the battery block 10 due to restrictions on the size of the protection element body, the space of the board housing part 12, and the like. It is not always possible to place it at a position.
- the length of the first region 5A is sufficiently secured by setting the positions of the connection points 5a and 5b to the first region 5A closer to the battery block 10 than the back plate 21 which is the fixed surface 2X. It becomes possible.
- one output lead 5 to which the fuse 9 is connected is connected to the battery block 10 via the circuit board 4, and the other output lead 5 to which the current detection resistor 8 is connected.
- the output lead the output lead to which the current detection resistor is connected is connected to the battery block via the circuit board, and the output lead to which the fuse is connected may be connected to the battery block without going through the circuit board.
- Both the output lead to which the fuse is connected and the output lead to which the current detection resistor is connected can also be connected to the battery block via the circuit board.
- the output lead can also be connected to the battery block via a series circuit of a fuse and a current detection resistor.
- one output lead to which the series circuit of the fuse and the current detection resistor is connected can be connected to the battery block via the circuit board, and the other output lead can be directly connected to the battery block.
- one output lead to which a series circuit of a fuse and a current detection resistor is connected can be connected to the battery block, and the other output lead can be connected to the battery block via a circuit board.
- the battery block 10 side of the first region 5 ⁇ / b> A extending from the power connector 3 toward the battery block 10 is connected to the protection element 17 such as the fuse 9 and the current detection resistor 8 and the circuit board 4. Or directly connected to the battery block 10.
- the structure in which the battery block 10 side of the first region 5A is connected to the protection element 17 such as the fuse 9 and the current detection resistor 8 and the circuit board 4 or directly connected to the battery block 10 is as follows.
- the output lead 5 extending toward the battery block 10 can be fixed at a position away from the power connector 3.
- the power connector 3 connected to the tip of the first region 5A is smoothly and stably structured so that the first region 5A can be moved with the portion where the battery block 10 side of the first region 5A is fixed as a fulcrum. Can float.
- the output lead 5 disposed in the wiring space 13 provided below the circuit board 4 is provided with a first region 5A extending from the power connector 3 toward the battery block 10 so that the leading end connected to the power connector 3 is elongated. it can.
- the long output lead 5 disposed in the wiring space 13 can have a smaller bending angle than the short output lead when the power connector 3 is moved up and down or left and right.
- the movement of the power supply connector 3 in the floating state is limited.
- the power supply connector 3 is moved by arranging the output lead 5 in the wiring space 13 to be long. It can be done easily. This is because the bending angle of the output lead 5 can be reduced by moving the power connector 3.
- the output lead 5 is a lead wire in which the cross-sectional area of the conductive portion is 8 mm 2 in order to increase the current capacity.
- a lead wire having a cross-sectional area of the conductive portion of, for example, 3 mm 2 or more, preferably 5 mm 2 or more, more preferably 7 mm 2 or more and 15 mm 2 or less can be used.
- a metal plate having a cross-sectional area of the conductive portion of, for example, 3 mm 2 or more, preferably 5 mm 2 or more, more preferably 7 mm 2 or more, and 15 mm 2 or less can be used.
- the power connector 3 is attached to the back plate 21 which is the fixed surface 2X of the outer case 2 in a floating state.
- the power supply apparatus 100 of FIG. 1 connects the power supply connector 3 to the power supply line 53 of the metal plate arrange
- the power connector 3 has an elastic contact 15 connected to a power line 53 fixed so as to extend in a horizontal position in a horizontal posture, and a plastic case 30 made of an insulating material. Is arranged.
- the cover portion 31 that is exposed to the outside of the outer case 2 and the closing portion 37 that closes the gap formed between the cover portion 31 and the connector window 27 are integrally formed.
- the cover portion 31 is provided on the back side of the outer case 2 with two rows of guide grooves 33 into which the metal plates of the power supply line 53 are inserted side by side.
- the two rows of guide grooves 33 are provided on the same plane so as to extend in the horizontal direction and have a shape into which the power supply line 53 can be inserted.
- an insulating wall 36 is provided between the two rows of guide grooves 33 to insulate the two rows of guide grooves 33.
- the closing portion 37 has a hook shape extending along the upper and lower end edges of the cover portion 31 and is formed to protrude from the upper and lower surfaces of the plastic case 30.
- the closing part 37 is formed so as to be able to close a gap formed between the cover part 31 and the connector window 27 in a state where the power connector 3 floats up and down.
- the elastic contact 15 has a leading end pressed against the metal plate of the power supply line 53 arranged in the guide groove 33 and a rear end protruding from the plastic case 30 to the inside of the exterior case 2 as the connection terminal 16 of the output lead 5.
- the intermediate part is fixed to the plastic case 30.
- the output lead 5 is screwed or fixed to the connection terminal 16 protruding inside the outer case 2 by soldering.
- the output lead 5 having one end fixed to the connection terminal 16 has the other end connected to the output side of the secondary battery 1, in FIG. 4, the fuse 9 and the current detection resistor 8.
- the power supply device does not necessarily connect the output lead 5 to the fuse 9 or the current detection resistor 8.
- the output lead 5 is the semiconductor switching element. 7 is connected.
- the power supply connector 3 has the cover portion 31 of the plastic case 30 inserted into the connector window 27 of the back plate 21, and the flange portion 32 and the closing portion 37 are arranged inside the back plate 21 of the exterior case 2 so as to be externally mounted in a floating state. It is attached to case 2.
- the power connector 3 of FIGS. 5 to 8 is attached to the outer case 2 so as to move in the vertical direction and not in the horizontal direction. Therefore, the connector window 27 is opened to a size that allows the inserted cover portion 31 to move up and down. That is, the connector window 27 is opened to a size that allows a gap above and below the cover portion 31. This gap specifies a stroke in which the power connector 3 can move up and down.
- the cover part 31 can move up and down inside the connector window 27, a slight gap is also provided on both sides of the cover part 31 and inside the connector window 27. This is because if the inner side of the connector window 27 is in close contact with both sides of the cover portion 31, the power connector 3 cannot be floated up and down. The gap is sufficient to prevent both sides of the cover portion 31 from contacting the inside of the connector window 27.
- the collar part 32 of the plastic case 30 protrudes on both sides of the cover part 31 and is arranged inside the back plate 21.
- the flange portion 32 is provided with a connecting boss 34 that is inserted into a connecting hole 28 provided in the back plate 21 and is integrally formed.
- the connecting boss 34 has a cylindrical shape, and a set screw 35 is screwed into the connecting boss 34 and attached to the back plate 21.
- the connection boss 34 is inserted into the connection hole 28 so as to be movable in the vertical direction.
- the connecting hole 28 has an inner shape that allows the connecting boss 34 to move in the vertical direction, that is, has an elongated shape in the vertical direction.
- the gap between the upper and lower surfaces of the connection boss 34 and the upper and lower inner surfaces of the connection hole 28 specifies a stroke that can move the power connector 3 in the vertical direction. Accordingly, this gap is also opened so that the power supply connector 3 can be stroked by a predetermined stroke, for example, 1 mm to 5 mm above and below, in the same manner as the gap between the cover portion 31 and the connector window 27.
- the set screw 35 is screwed in the state where the connecting boss 34 is inserted into the connecting hole 28.
- the set screw 35 has a size such that the head cannot pass through the connecting hole 28, that is, larger than the lateral width of the connecting hole 28.
- the power connector 3 is attached to the back plate 21 in a floating state by inserting the cover portion 31 into the connector window 27, inserting the connecting boss 34 into the connecting hole 28, and screwing a set screw 35 into the connecting boss 34 in this state. .
- the height at which the connecting boss 34 protrudes from the surface of the flange 32 is higher than the thickness of the back plate 21, and the head of the set screw 35 does not press the back plate 21 when the set screw 35 is screwed into the connecting boss 34.
- the back plate 21 is disposed between the flange 32 and the head of the set screw 35 in a state where the set screw 35 is screwed into the connecting boss 34, and the power connector 3 is placed in the floating state in the back plate. 21 is attached.
- the power connector 3 in FIGS. 5 and 7 is attached to the back plate 21 by providing the flange portions 32 on both sides of the cover portion 31, but the power connector 3 is provided with the flange portions on the upper and lower sides of the cover portion 31. It can be attached to the plate 21. Further, it is also possible to provide flanges at the four corners of the cover part 31 and attach them to the back plate 21.
- the power supply device 100 of the present invention is securely connected to a power supply line 53 of a metal plate fixed to the server rack 50 by floating the power connector 3 in the vertical direction while being inserted into the server rack 50. . This is because the power connector 3 moves to an ideal position for electrical connection to the power line 53 and electrically connects the elastic contact 15 to the power line 53.
- the power supply device 100 of the present invention is attached to the outer case 2 so that the power supply connector 3 can be floated in the vertical direction in order to securely connect to the power supply line 53 that is fixed so as to extend in the horizontal direction.
- the power supply device of the present invention is attached to the outer case 2 so that the power supply connector 3 can be floated in the left-right direction, for example, in a structure that is electrically connected to the power supply line 53 fixed in the up-down direction.
- the power connector 3 is attached to the back plate 21, but the power connector may be attached to the front plate. Further, the power connector may be attached to the left and right side plates.
- the board storage part is on the fixed surface side to which the power connector is attached
- the battery storage part is on the opposite side of the fixed surface to which the power connector is attached
- the board storage part is on the fixed surface side of the battery storage part.
- the battery block 10 is composed of a plurality of secondary batteries 1, but the battery block may be composed of one large secondary battery.
- one battery block 10 is arranged in the power supply apparatus 100, but a plurality of battery blocks connected in series or in parallel to the power supply apparatus may be arranged.
- the power supply device of the present embodiment can wire the output lead 5 in a posture extending in the first direction in the wiring space 13.
- the output lead 5 can be a lead wire having a cross-sectional area of the conductive portion of 3 mm 2 or more.
- the output lead 5 includes a first area 5A extending from the power connector 3 toward the battery block 10, and the protection element 17 and the circuit board are provided on the battery block 10 side of the first area 5A. 4 can be connected to the battery block 10 via either or both.
- the power supply device of the present embodiment includes a fuse 9 connected to the output lead 5, and a connection point 5a between the first region 5A of the output lead 5 and the fuse 9 is closer to the battery block 10 than the fixed surface 2X. Can be arranged.
- the power supply device of the present embodiment includes a current detection resistor 8 connected to the output lead 5, and the battery block 10 has a connection point 5 b between the first region 5 ⁇ / b> A of the output lead 5 and the current detection resistor 8 rather than the fixed surface 2 ⁇ / b> X. It can arrange
- the semiconductor switching element 7 for turning on and off the output current can be mounted on the circuit board 4.
- the power connector 3 can be attached to the fixed surface 2X of the outer case 2 so as to float up and down.
- the power supply device according to the present embodiment can be connected to the power supply line 53 of the server rack 50 while the power supply device 3 is set in the server rack 50.
- the power supply device of the present embodiment can be suitably used for a power supply device that supplies a large amount of power, such as a power supply device that is set in a server rack and supplies power to the server in the event of a power failure.
- a power supply apparatus that is electrically connected to a load-side power supply line via a power supply connector.
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
1 二次電池
2 外装ケース
2A 下側の金属プレート
2B 上側の金属プレート
2X 固定面
3 電源コネクタ
4 回路基板
4a 第1の接続端子
4b 第2の接続端子
5 出力リード
5A 第1領域
5B 第2領域
5C 第3領域
5a,5b 接続点
6 保護回路
7 半導体スイッチング素子
8 電流検出抵抗
9 ヒューズ
10 電池ブロック
11 電池収納部
12 基板収納部
13 配線スペース
14 リード線
15 弾性接点
16 接続端子
17 保護素子
19 温度センサ
20 底プレート
21 背面プレート
22 前面プレート
23 上面プレート
24 側面プレート
25 折曲縁
26 雌ねじ孔
27 コネクタ窓
28 連結穴
29 止ネジ
30 プラスチックケース
31 カバー部
32 鍔部
33 ガイド溝
34 連結ボス
35 止ネジ
36 絶縁壁
37 閉塞部
50 サーバーラック
51 収納スペース
53 電源ライン
60 サーバー
Claims (9)
- 外装ケースと、この外装ケースに収納してなる少なくとも1以上の二次電池を有する電池ブロックと、この電池ブロックに接続してなる回路基板と、前記電池ブロックからの出力電流を出力する出力リードと接続してなる電源コネクタとを備える電源装置であって、
前記電源コネクタは、前記外装ケースの固定面にフローティング状態で取り付けられ、
前記回路基板は、前記固定面と前記電池ブロックの間で、前記固定面と直交する第1の方向に平行な姿勢で配置されて、
前記出力リードが前記回路基板の下側又は上側に設けてなる配線スペースに配置されて、前記電池ブロックに接続されてなることを特徴とする電源装置。 - 請求項1に記載される電源装置であって、
前記出力リードが、前記配線スペースにおいて前記第1の方向に延びる姿勢で配線されてなることを特徴とする電源装置。 - 請求項1又は2に記載される電源装置であって、
前記出力リードが、導電部の断面積を3mm2以上としてなるリード線としてなることを特徴とする電源装置。 - 請求項1から3のいずれか1項に記載される電源装置であって、
前記出力リードは、前記電源コネクタから前記電池ブロックに向かって延びる第1領域を備えており、前記第1領域の前記電池ブロック側を、保護素子と前記回路基板のいずれか又は両方を介して前記電池ブロックに接続してなることを特徴とする電源装置。 - 請求項4に記載される電源装置であって、
前記出力リードに接続してなるヒューズを備え、前記第1領域と前記ヒューズとの接続点が前記固定面よりも前記電池ブロックに近い部位に配置されてなることを特徴とする電源装置。 - 請求項4に記載される電源装置であって、
前記出力リードに接続してなる電流検出抵抗を備え、前記第1領域と前記電流検出抵抗との接続点が前記固定面よりも前記電池ブロックに近い部位に配置されてなることを特徴とする電源装置。 - 請求項1から6のいずれか1項に記載される電源装置であって、
前記回路基板に前記出力電流をオンオフする半導体スイッチング素子を実装してなることを特徴とする電源装置。 - 請求項1から7のいずれか1項に記載される電源装置であって、
前記電源コネクタが、前記固定面に上下にフローティング自在に取り付けられてなることを特徴とする電源装置。 - 請求項1から8のいずれか1項に記載される電源装置であって、
前記電源コネクタが、サーバーラックにセットされる状態でサーバーラックの電源ラインに連結されるようにしてなることを特徴とする電源装置。
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EP15856553.1A EP3217449B1 (en) | 2014-11-07 | 2015-09-29 | Power supply device |
JP2016557443A JP6651457B2 (ja) | 2014-11-07 | 2015-09-29 | 電源装置 |
US15/512,386 US10374454B2 (en) | 2014-11-07 | 2015-09-29 | Power supply device |
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JP6651457B2 (ja) | 2020-02-19 |
US20170279301A1 (en) | 2017-09-28 |
EP3217449A4 (en) | 2017-10-04 |
US10374454B2 (en) | 2019-08-06 |
JPWO2016072041A1 (ja) | 2017-08-10 |
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EP3217449B1 (en) | 2018-09-26 |
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