Kelk Ltd.

Komatsu Corporation

Tomonori Murata

Daisuke Goto

Hirokuni Hachiuma

Kazuo Miyabe

Isao Shibata

Ryoji Kasuya

You Sangawa

Kazuji Sasaki

An electrode connection structure includes a first electrode unit that includes first electrodes formed concentrically, and a second electrode unit that includes a second electrode formed into a needle shape axially movable forward and rearward and is electrically connectable to the first electrode unit, and in the electrode connection structure, the second electrode unit includes a plurality of the second electrodes that is arranged in a circumferential direction and arranged at different radial positions, and the plurality of the second electrodes is electrically connected to the first electrodes arranged at different radial positions, respectively.

Electrode connection structure and detection device

A residual charge removal device includes: a power storage unit; a first switching unit that is connected to a target to which electric power is supplied from a power supply device, and operates to remove a residual charge of the target by electric power supplied from the power storage unit; and a second switching unit that operates to supply electric power from the power storage unit to the first switching unit when electric power supply to the target is stopped.

Residual charge removal device

A wireless terminal includes a memory that stores a parameter, a microcomputer that operates in an operation mode, which is predetermined, on the basis of the parameter, and a wireless communication device that wirelessly receives a change command of the parameter. When the change command is wirelessly received, the microcomputer suspends the operation and changes the parameter on the basis of the change command.

Wireless terminal and wireless system

A detection device that is capable of being attached to a through hole includes a main body portion, a detection portion, a cover portion, an insulation portion, and an oscillation portion. The main body portion has an insertion portion and a head portion. The detection portion is arranged in the insertion portion and detects the state of a fluid. The cover portion is arranged so as to form a gap with the head portion. The insulating portion has a lateral wall having a cylindrical shape. An oscillation portion is accommodated inside the insulation portion, and performs a wireless output of a detection result of the detection portion by using the head portion, the cover portion and the gap as a slot antenna.

Detection device

An analysis device includes a vibration sensor that detects vibration of a machine, a calculation unit that calculates an average value of detection data of the vibration sensor in each predetermined cycle interval, converts a plurality of data points included in each interval to one data point indicating the average value to reduce calculation points, and performs vibration analysis with the reduced calculation points, and a wireless communication device that transmits processed data output from the vibration analysis performed by the calculation unit.

Analysis device, analysis system, and analysis method

An analysis device includes a vibration sensor that detects vibration of a machine, a calculation unit that defines a peak value on the basis of a standard deviation of detection data of the vibration sensor, and a wireless communication device that transmits processed data output from calculation performed by the calculation unit.

Vibration analysis device, vibration analysis system, and vibration analysis method

A thermoelectric power generation module mounting substrate includes: a printed substrate having a heat transfer through-hole penetrating a first surface and a second surface opposite to the first surface, and being in contact with a housing on the second surface; and a thermoelectric power generation module mounted on the printed substrate in contact with the first surface.

Thermoelectric power generation module mounting substrate

A detection device includes a vibration sensor configured to detect vibration of a machine, a calculation unit configured to perform FFT analysis on detection data of the vibration sensor, divide a specific frequency range into a plurality of frequency ranges, and calculate a partial overall value for each of the plurality of frequency ranges, and a wireless communication device configured to transmit the partial overall value.

Detection device and diagnostic system

A thermoelectric generator transmitter includes: a hollow exterior frame having open ends; a heat-receiving plate covering one of the open ends of the exterior frame; a columnar member standing on the heat-receiving plate; a thermoelectric generation module arranged for facilitating heat transfer between the columnar member and the thermoelectric generation module; a radiator plate covering a part of the other one of the open ends of the exterior frame, the part corresponding to a location of the thermoelectric generation module; a processor drivable by electricity generated by the thermoelectric generation module and capable of outputting a detection signal detected by a sensor to an external device; and a terminal that receives the detection signal of the sensor from the external device. An inside of the exterior frame is divided into a location of the thermoelectric generation module and the processor and a location of the terminal.

Thermoelectric generator transmitter

An optical sensor is provided, in which members forming an optical path can be reliably supported without blocking the optical path extending from a light source to a light receiver. An optical sensor includes a light source configured to emit light, and a light receiver configured to receive the light emitted from the light source. An optical path extending from the light source to the light receiver extends through an oil infiltrating space into which oil infiltrates. The optical sensor further includes: a substrate on which the light source is mounted; a substrate on which the light receiver is mounted; a fixing member including an accommodation space in which the substrates are accommodated; and a sealing resin contained in the accommodation space and sealing the substrate.

Growing community of inventors

Kanagawa, Japan

Tomonori Murata