Abstract: Provided is a battery combined system in which a system operation rate is improved by reducing, in comparison with a conventional method, a frequency at which an SOC of a power type battery reaches an upper limit or a lower limit. The battery combined system according to the present invention is a battery combined system in which a capacity type battery and a power type battery having a higher output value with respect to a capacity (output/capacity) than that of the capacity type battery are connected in parallel. The battery combined system changes a threshold value to distribute charge/discharge power to the power type battery or the capacity type battery in the case where the charge/discharge power is equal to or less than maximum charge power and equal to or larger than maximum discharge power of the capacity type power.

Abstract: A battery pack (21A) according to embodiments of the present invention comprises a plurality of battery modules (11A-11D) connected to each other in either one or both of a series connection mode and a parallel connection mode. An identifying information setting section (25) sets identifying information on each of the plurality of battery elements (11A-11D). A connection mode managing section (47) manages the connection mode between the plurality of battery elements (11A-11D) by using the identifying information set by the identifying information setting section (25). The identifying information on each of the plurality of battery elements (11A-11D) is made up of a combination of first identifying information on the potential of the one of the plurality of battery elements (11A-11D) and second identifying information on the battery pack (21A) serving as a superordinate battery element to which the one of the plurality of battery elements (11A-11D) belongs.

Abstract: Even if requirements for any scale of system constructions occur, a battery system of flexibly responding to the requirements is provided. The battery system comprising a battery module having a plurality of battery cells being connected, a battery pack having a plurality of battery modules being connected either in series or in parallel or both in series and in parallel, and a battery block having a plurality of battery packs being connected either in series or in parallel or both in series and in parallel. They are mutually layered. In the battery system, the battery module, the battery pack, and the battery block are previously prepared as variations of layered basic units. In response to requirements for any scale of system constructions, the basic units are combined accordingly.

Abstract: A battery pack that reduces a temperature difference between single cells and can increase a battery capacity per volume and a container provided with the same are provided. A battery pack 100, includes: a battery module 10 including a plurality of single cells 1 arranged in parallel in a line; and a partition member 20 provided on a side surface of the battery module 10 and forming a flow channel 21 through which a gas for exchanging heat with the plurality of single cells 1 is flowable, and the partition member 20 is provided so that the gas flowing through the flow channel 21 and at least two single cells 1 exchange heat and is inclined with respect to a direction orthogonal to an arrangement direction of the plurality of single cells 1 arranged in parallel in a line.

Abstract: A grid controller is communicably connected to controllers of a plurality of power storage units. The grid controller: obtains transmission power transmitted from the smart grid system to an external power system, the transmission power being a sum of electric power generated by power generating units, electric power consumed by loads in the smart grid system, and electric power charged into and discharged from the power storage units; calculates differential power between the transmission power and a smoothing operation output, the smoothing operation output being obtained by performing smoothing operation on the transmission power by using a smoothing filter; and performs control of smoothing the transmission power by performing allocation of the differential power of the transmission power in accordance with a charge-discharge state of each of power storage parts of the plurality of power storage units.

Abstract: A torque sensor includes: a torsion bar; a multi-pole magnet; a pair of yokes on an outside of the multi-pole magnet in a radial direction and providing a magnetic circuit in a magnetic field generated by the multi-pole magnet; and a pair of magnetic sensors arranged along a circumferential direction. Each magnetic sensor includes a magnetism sensing part for detecting a magnetic flux density generated in the magnetic circuit, and outputs a detection signal to an external computing device. The magnetic sensors output the detection signals to the external computing device such that the computing device calculates a sum of outputs or a difference of outputs of the magnetic sensors so as to cancel a variation of the outputs produced by a magnetic flux generated from the multi-pole magnet and directly reaching the magnetism sensing parts.

Abstract: When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status.

Abstract: A relay (20) receives a battery information acquisition time from each battery module (10) and calculates measurement time differential information ?t, that is, a time difference between the battery information acquisition time as a reference and the battery information acquisition time of another battery module (10) among the received battery information acquisition times, for each battery module (10). A measurement time correction unit (115) of each battery module (10) corrects a measurement time by the measurement time differential information ?t, using the measurement time differential information ?t received from the relay (20) to adjust the battery information acquisition time of each battery module (10) to the same time.

Abstract: A stroke amount detecting device includes a magnetism detecting unit, a first magnetic field generating unit and a second magnetic field generating unit. A magnetic pole of the first generating unit and a magnetic pole of the second generating unit, which are opposed to each other, have different polarities. A distance between a gap end of the first generating unit and a gap end of the second generating unit, which are located on a farther side of a rectilinear axis, is smaller than a distance between an open end of the first generating unit and an open end of the second generating unit, which are located on a closer side of the rectilinear axis. The magnetism detecting unit detects a stroke amount of an object based on a magnetic flux generated between the open end of the first generating unit and the open end of the second generating unit.

Abstract: When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status.

Abstract: A battery pack (21A) according to embodiments of the present invention comprises a plurality of battery modules (11A-11D) connected to each other in either one or both of a series connection mode and a parallel connection mode. An identifying information setting section (25) sets identifying information on each of the plurality of battery elements (11A-11D). A connection mode managing section (47) manages the connection mode between the plurality of battery elements (11A-11D) by using the identifying information set by the identifying information setting section (25). The identifying information on each of the plurality of battery elements (11A-11D) is made up of a combination of first identifying information on the potential of the one of the plurality of battery elements (11A-11D) and second identifying information on the battery pack (21A) serving as a superordinate battery element to which the one of the plurality of battery elements (11A-11D) belongs.

Abstract: A battery system is disclosed which includes: first and second battery blocks connected in parallel, each including a plurality of batteries connected in series; a battery state detector detecting voltages of the batteries in either of the second battery blocks. The number of the batteries in the second battery block is smaller than that of the first battery block. The battery state detector is installed integral with the second battery block.

Abstract: A torque sensor includes: a torsion bar; a multi-pole magnet; a pair of yokes on an outside of the multi-pole magnet in a radial direction and providing a magnetic circuit in a magnetic field generated by the multi-pole magnet; and a pair of magnetic sensors arranged along a circumferential direction. Each magnetic sensor includes a magnetism sensing part for detecting a magnetic flux density generated in the magnetic circuit, and outputs a detection signal to an external computing device. The magnetic sensors output the detection signals to the external computing device such that the computing device calculates a sum of outputs or a difference of outputs of the magnetic sensors so as to cancel a variation of the outputs produced by a magnetic flux generated from the multi-pole magnet and directly reaching the magnetism sensing parts.

Abstract: Provided is a battery system which can easily identify a portion where a fuse is blown when the fuse is blown even in a large-scale battery system where a plurality of batteries are connected in series. The battery system includes a battery pack including a series circuit where a plurality of battery modules are connected to each other in series, the battery module including a fuse which is connected in series to a battery cell, and a light emitting diode which is connected in parallel to the fuse and has an anode thereof connected to a positive pole side of the battery cell; and a switching element which is connected in parallel to the series circuit.

Abstract: A battery pack in which an increase in size is restrained even if the battery pack includes plural battery modules with fuses is to be provided. In order to solve the foregoing problem, a battery pack according to the invention includes at least two or more battery modules, each battery module having a battery cell and a first fuse connected in series with the battery cell, the battery cell and the first fuse being housed in a casing. A positive electrode terminal provided in one battery module and a negative electrode terminal provided in another battery module are connected to each other via a second fuse. The second fuse has a higher rated voltage than the first fuse.

Abstract: A battery system is disclosed which includes: first and second battery blocks connected in parallel, each including a plurality of batteries connected in series; a battery state detector detecting voltages of the batteries in either of the second battery blocks. The number of the batteries in the second battery block is smaller than that of the first battery block. The battery state detector is installed integral with the second battery block.

Abstract: A stroke amount detecting device includes a magnetism detecting unit, a first magnetic field generating unit and a second magnetic field generating unit. A magnetic pole of the first generating unit and a magnetic pole of the second generating unit, which are opposed to each other, have different polarities. A distance between a gap end of the first generating unit and a gap end of the second generating unit, which are located on a farther side of a rectilinear axis, is smaller than a distance between an open end of the first generating unit and an open end of the second generating unit, which are located on a closer side of the rectilinear axis. The magnetism detecting unit detects a stroke amount of an object based on a magnetic flux generated between the open end of the first generating unit and the open end of the second generating unit.

Abstract: Even if requirements for any scale of system constructions occur, a battery system of flexibly responding to the requirements is provided. The battery system comprising a battery module having a plurality of battery cells being connected, a battery pack having a plurality of battery modules being connected either in series or in parallel or both in series and in parallel, and a battery block having a plurality of battery packs being connected either in series or in parallel or both in series and in parallel. They are mutually layered. In the battery system, the battery module, the battery pack, and the battery block are previously prepared as variations of layered basic units. In response to requirements for any scale of system constructions, the basic units are combined accordingly.

Abstract: When detecting a fault of a master control device, a slave control device refers to master-device-line information, and obtains line information to establish a connection with the other master control device. The slave control device transmits connection request information to the master control device extracted from the other master control devices. The other master control device determines whether or not it is connectable with the slave control device that has transmitted the connection request information, and transmits a determination result as connectability information. The slave control device switches a communication line to the other master control device when the received connectability information indicates the connectable status.

Abstract: A rechargeable battery system capable of suppressing the increase in the internal resistance of a lithium ion rechargeable battery and having long life is provided. A rechargeable battery system comprising rechargeable battery modules each having a plurality of lithium ion rechargeable batteries, and a charge/discharge control means for controlling assembled batteries having the rechargeable battery modules connected in parallel, in which the charge/discharge control means controls discharge, upon discharge of the lithium ion rechargeable batteries, on every lithium ion rechargeable battery modules connected in parallel is adopted.