Abstract: An energy storage apparatus includes: a plurality of energy storage devices arranged in orientations in which gas release valves face an identical direction; a plurality of busbars electrically connected to the plurality of energy storage devices; and a busbar frame (busbar holding member) that is disposed on the plurality of energy storage devices and holds the plurality of busbars. The busbar frame includes a first holder disposed on the plurality of energy storage devices and on one side of the gas release valve, a second holder disposed on the plurality of energy storage devices and on the other side of the gas release valve, and a coupling that is disposed between at least a pair of adjacent energy storage devices among the plurality of energy storage devices and couples a first holder with a second holder. An upper end surface (bottom surface of a part of the coupling is disposed below or flush with an upper surface of a case.

Abstract: An energy storage facility includes: an energy storage apparatus that includes an energy storage device, a discharge path for a gas discharged from the energy storage device, and a gas discharge port for the gas; and a housing that houses the energy storage apparatus, wherein the housing includes a gas discharge portion that includes: a wall portion that faces the gas discharge port; and a gas discharge opening that is formed in the wall portion for discharging the gas, and the gas discharge portion includes a protrusion that protrudes from the wall portion toward the gas discharge port.

Abstract: An energy storage apparatus includes an energy storage unit including an energy storage device, the energy storage apparatus including a substrate unit including a substrate electrically connected to the energy storage unit and a substrate accommodating unit accommodating the substrate, the substrate unit being attached to the energy storage unit. The substrate accommodating unit includes a gripping unit to grip the energy storage apparatus.

Abstract: An energy storage apparatus includes: an energy storage unit including an energy storage device; a substrate electrically connected to the energy storage unit; a cover disposed on one side in a first direction of the substrate; and a cable in which one end is electrically connected to the energy storage unit while the other end is connected to an external conductive member of the energy storage apparatus. The cable is disposed on one side in the first direction of at least a part of the cover while connected to the external conductive member.

Abstract: An energy storage apparatus includes an energy storage unit including a plurality of energy storage devices, a first power cable connected to one of a positive electrode connection terminal of the energy storage unit and a negative electrode connection terminal of the energy storage unit and extending from an end portion of the energy storage unit to an outside of the energy storage unit, and a second power cable connected to the other of the positive electrode connection terminal and the negative electrode connection terminal and extending from the end portion of the energy storage unit to the outside of the energy storage unit. The first power cable includes a first connector. The second power cable includes a second connector including a structure which allows direct connection to the first connector. The first power cable is placed in a posture which inhibits connection between the first connector and the second connector.

Abstract: An energy storage apparatus includes: a plurality of energy storage devices each including a gas release valve, the plurality of energy storage devices being arranged along a predetermined direction in a posture where the gas release valves are directed in the same direction; an exhaust portion disposed on the gas release valves of the plurality of respective energy storage devices, the exhaust portion forming an exhaust path for a gas discharged from the gas release valves; and a housing accommodating the plurality of the energy storage devices and the exhaust portion, wherein the exhaust portion includes an exhaust port portion that protrudes from the housing and forms an outlet portion of the exhaust path.

Abstract: An energy storage facility includes a plurality of energy storage apparatuses. Each of the plurality of energy storage apparatuses includes: an energy storage unit including a plurality of energy storage devices and an outer case holding the plurality of energy storage devices; a positive electrode power cable; and a negative electrode power cable. Each of the positive electrode power cable and the negative electrode power cable is connected to the energy storage unit inside the outer case, and extends from an end of the outer case toward the outside of the outer case. The positive electrode power cable includes a positive electrode connector, and the negative electrode power cable includes a negative electrode connector separated from the positive electrode connector.

Abstract: The present invention reduces the effort involved in an operation for cancelling a current cutoff device while inhibiting a capacity decline during parking. Provided is a battery device 20 that is to be mounted on a vehicle, and that is provided with: an assembled battery 30 that supplies electric power to loads 10 including an engine starting device 10A; a current cutoff device 45 that cuts off an electric current to the loads 10 from the assembled battery 30; and a control unit 70, wherein upon detecting a parked state of the vehicle, the control unit 70 operates the current breaker device 45 so as to execute a current cutoff process for cutting off the current flowing from the assembled battery 30 to the loads 10, and following the execution of the current cutoff process, if a prior action to be performed on the vehicle by a user before starting driving is detected, the control unit 70 cancels the cutoff of current by cancelling the operation of the current breaker device 45.

Abstract: A power supply protective device, includes: a first switch provided between a first terminal to which at least one of a load and a charger is connected and a second terminal to which a power supply is connected; a switching circuit connected in parallel to the first switch and including a second switch and a voltage drop element connected in series to the second switch, the voltage drop element causing a voltage drop of a reference voltage by a current flow; a voltage detection unit which detects at least one voltage of a first voltage as a voltage of the first terminal, a second voltage as a voltage of the second terminal, and a third voltage as a voltage at a point between the second switch and the voltage drop element; and a control unit.

Abstract: A power supply protective device, includes: a first switch provided between a first terminal to which at least one of a load and a charger is connected and a second terminal to which a power supply is connected; a switching circuit connected in parallel to the first switch and including a second switch and a voltage drop element connected in series to the second switch, the voltage drop element causing a voltage drop of a reference voltage by a current flow; a voltage detection unit which detects at least one voltage of a first voltage as a voltage of the first terminal, a second voltage as a voltage of the second terminal, and a third voltage as a voltage at a point between the second switch and the voltage drop element; and a control unit.

Abstract: A power supply protective device, when obtaining an open voltage when a second switch is brought into a closed state and a first switch is brought into an open state during discharging of a power supply, and obtaining a close voltage when the second switch is brought into the closed state and the first switch is brought into the closed state during discharging of the power supply, diagnoses the first switch as having a failure or not on the basis of the open voltage and the close voltage. When executing first a close instruction to the first switch and the second switch, if a voltage difference is less than a first threshold voltage, the first switch is determined to have no open failure, and/or when not less than a second threshold voltage, the second switch is determined to have no open failure.

Abstract: The present invention reduces the effort involved in an operation for cancelling a current cutoff device while inhibiting a capacity decline during parking. Provided is a battery device 20 that is to be mounted on a vehicle, and that is provided with: an assembled battery 30 that supplies electric power to loads 10 including an engine starting device 10A; a current cutoff device 45 that cuts off an electric current to the loads 10 from the assembled battery 30; and a control unit 70, wherein upon detecting a parked state of the vehicle, the control unit 70 operates the current breaker device 45 so as to execute a current cutoff process for cutting off the current flowing from the assembled battery 30 to the loads 10, and following the execution of the current cutoff process, if a prior action to be performed on the vehicle by a user before starting driving is detected, the control unit 70 cancels the cutoff of current by cancelling the operation of the current breaker device 45.

Abstract: A monitoring device for a secondary battery includes: a detection part that detects a use state of the secondary battery; and a switching part, wherein the switching part switches a protection condition applied to the secondary battery in accordance with the user state of the secondary battery.

Abstract: A power supply protective device, when obtaining an open voltage when a second switch is brought into a closed state and a first switch is brought into an open state during discharging of a power supply, and obtaining a close voltage when the second switch is brought into the closed state and the first switch is brought into the closed state during discharging of the power supply, diagnoses the first switch as having a failure or not on the basis of the open voltage and the close voltage. When executing first a close instruction to the first switch and the second switch, if a voltage difference is less than a first threshold voltage, the first switch is determined to have no open failure, and/or when not less than a second threshold voltage, the second switch is determined to have no open failure.

Abstract: A switch failure diagnosis device for using in a current path between an electric device and an electric storage device includes plural switches, a switch terminal voltage detector, and a controller. The switches are connected parallel to each other in the current path. The switch terminal voltage detector outputs a switch terminal voltage detection signal. The controller is configured to select the switches at different time in sequence and input an open instruction signal to each switch at the time when the switch is selected, and to determine, based on the switch terminal voltage detection signal output while the open instruction signal is given, that at least one of the switches has a failure if the detected voltage is in a failure determination range.

Abstract: A monitoring device for a secondary battery includes: a detection part that detects a use state of the secondary battery; and a switching part, wherein the switching part switches a protection condition applied to the secondary battery in accordance with the user state of the secondary battery.

Abstract: A switch failure diagnosis device for using in a current path between an electric device and an electric storage device includes plural switches, a switch terminal voltage detector, and a controller. The switches are connected parallel to each other in the current path. The switch terminal voltage detector outputs a switch terminal voltage detection signal. The controller is configured to select the switches at different time in sequence and input an open instruction signal to each switch at the time when the switch is selected, and to determine, based on the switch terminal voltage detection signal output while the open instruction signal is given, that at least one of the switches has a failure if the detected voltage is in a failure determination range.

Abstract: A switch failure diagnosis device for using in a current path between an electric device and an electric storage device includes plural switches, a switch terminal voltage detector, and a controller. The switches are connected parallel to each other in the current path. The switch terminal voltage detector outputs a switch terminal voltage detection signal. The controller is configured to: select the switches at different time in sequence and input an open instruction signal to each switch at the time when the switch is selected; and determine, based on the switch terminal voltage detection signal output while the open instruction signal is given, that at least one of the switches has a failure if the detected voltage is in a failure determination range.

Abstract: A switch failure diagnosis device for using in a current path between an electric device and an electric storage device includes plural switches, a switch terminal voltage detector, and a controller. The switches are connected parallel to each other in the current path. The switch terminal voltage detector outputs a switch terminal voltage detection signal. The controller is configured to: select the switches at different time in sequence and input an open instruction signal to each switch at the time when the switch is selected; and determine, based on the switch terminal voltage detection signal output while the open instruction signal is given, that at least one of the switches has a failure if the detected voltage is in a failure determination range.