A magnet temperature estimating device for a motor including a rotor having magnets and configured to output a rotational motive force, and a stator having a plurality of coils opposing the rotor with a gap therebetween, is provided. The device includes a sensor configured to detect an induced voltage induced by rotation of the rotor, and a controller configured to control the motor by supplying power to the plurality of coils in response to an input of a detection signal from the sensor. Gaps adjacent to each magnet in a rotation direction of the rotor are formed in the rotor. The controller estimates a temperature of the magnet based on the induced voltage detected when the magnet opposes any one of the plurality of coils, according to the rotation of the rotor.

A magnet temperature estimating device for a motor provided with a rotor having magnets and configured to output a rotational motive force, and a stator having a plurality of coils opposing the rotor with an aperture therebetween, is provided. The device includes a sensor configured to detect an induced voltage induced by rotation of the rotor, and a controller configured to control the motor by supplying power to the plurality of coils in response to an input of a detection signal from the sensor. The controller estimates a temperature of one of the magnets based on an amplitude of a frequency spectrum corresponding to a given frequency, among frequency components constituting the induced voltage.

An apparatus and method for diagnosing a failure in a blower of a vehicle improve performance of various systems using state information of the blower. The apparatus and method include a controller that converts an operating current value supplied to the blower of the vehicle into a voltage value and diagnoses whether the blower fails based on the voltage value. The apparatus and method also include a display that displays whether the blower fails.

A high-voltage plug connection part for a high-voltage plug connector of a high-voltage electrical system of a motor vehicle, the high-voltage electrical system, and the motor vehicle are disclosed herein. The high-voltage plug connector can be coupled to at least one high-voltage line. The high-voltage plug connection part has at least one integrated temperature sensor which is designed to detect a sensor signal that characterizes the temperature of the at least one high-voltage line and provide the detected sensor signal to an analysis device in order to monitor the temperature of the at least one high-voltage line.

In an embodiment a sensor device includes a sensor element in a housing, wherein a mechanical fastening element is arranged and fastened to the housing, the mechanical fastening element including a spring element, wherein the housing includes a plastic having a liquid crystal polymer filled with boron nitride, and wherein the housing includes a base part and a cover part connected to each other, and a cavity in which the sensor element is arranged.

A temperature sensor malfunction diagnosis apparatus is provided in a vehicle that includes a device, a refrigerant circuit, an electric pump, a battery, and a temperature sensor, and configured to diagnose malfunction of the temperature sensor. The temperature sensor malfunction diagnosis apparatus includes a pump driver and a malfunction diagnosis unit. The pump driver is configured to drive the electric pump after stopping of driving of the vehicle, on the basis of the battery as a power supply. The malfunction diagnosis unit is configured to perform a malfunction diagnosis of the temperature sensor, on a condition that a charged time reaches a temperature converging time of the temperature sensor while the electric pump is driven. The charged time is a time during which charging of the battery is performed from start of the charging of the battery.

A chargeable battery temperature estimation apparatus estimating an internal temperature of a chargeable battery includes a processor performing when executing the instructions stored in a memory: acquiring a detected current value output from a current sensor configured to detect a current flowing in the chargeable battery; calculating a heating value on the basis of the detected current value, the heating value estimating heat generated inside the chargeable battery; acquiring a detected external temperature value output from a temperature sensor configured to detect an external temperature of the chargeable battery; estimating the internal temperature of the chargeable battery based on the calculated heating value and the detected temperature value; and outputting the estimated internal temperature.

A device for determining the temperature of an object includes a main body with an interior space delimited by walls for receiving an object, the temperature of which is to be determined, wherein at least one determination element configured to determine the temperature is arranged or formed within at least one wall, and also at least one thermally conductive contact element which is arranged or formed on or in the wall within which the determination element is arranged or formed.

An intermediate assembly for a temperature measuring device comprises: a temperature sensor including a measuring cell and two metal branches, two electrical connection pins each having an attachment portion and a connection portion, both of the metal branches respectively being electrically linked to both of the electrical connection pins, at their attachment portion; the attachment portions of the two pins extending in a main plane and an end of the measuring cell occupying a predetermined position with respect to a reference point of the electrical connection pins, a plastic casing formed by at least two inserts positioned against the electrical connection pins, on either side of the main plane, the casing defining a clamp to hold the measuring cell along at least one transverse axis normal to the main plane.

A temperature measuring device for measuring a temperature of a terminal of an electrical connector includes a printed circuit board, a temperature sensor mounted on the printed circuit board, and a thermally conductive sleeve having a first thermally conductive portion and a second thermally conductive portion. The first thermally conductive portion has a recess receiving a part of the printed circuit board. The first thermally conductive portion is in thermal contact with the temperature sensor. The second thermally conductive portion forms a flexible tab extending from the first thermally conductive portion and contacting the terminal.