A sensor and a preparation method thereof are provided, the sensor includes a sensor substrate, functional cuts, crack-arrest holes, a patterned electrode, wires, an adhesive layer, and release paper. The preparation method includes following steps, preparing the sensor substrate and sticking the adhesive layer on the sensor substrate; then sticking the release paper on the adhesive layer; obtaining the functional cuts by laser cutting or blanking process; pasting a metal mask on a surface of the sensor substrate; depositing a material of the patterned electrode into a gap of the metal mask; removing the metal mask after a solvent of the liquid is volatilized; leading out the wires from patterned electrode pins; obtaining the sensor eventually. The sensor has advantages such as controllable adhesion, small size, light weight, sensitive sensing and simple manufacturing. The sensors are arrayable and suitable for sticking and sensing of large deformation and complex surfaces.

A sensor and a preparation method thereof are provided, the sensor includes a sensor substrate, functional cuts, crack-arrest holes, a patterned electrode, wires, an adhesive layer, and release paper. The preparation method includes following steps, preparing the sensor substrate and sticking the adhesive layer on the sensor substrate; then sticking the release paper on the adhesive layer; obtaining the functional cuts by laser cutting or blanking process; pasting a metal mask on a surface of the sensor substrate; depositing a material of the patterned electrode into a gap of the metal mask; removing the metal mask after a solvent of the liquid is volatilized; leading out the wires from patterned electrode pins; obtaining the sensor eventually. The sensor has advantages such as controllable adhesion, small size, light weight, sensitive sensing and simple manufacturing. The sensors are arrayable and suitable for sticking and sensing of large deformation and complex surfaces.

A monitoring system of at least one physical magnitude in at least one undercarriage component, the system includes at least one sensor device arranged in an undercarriage component, the sensor device configured to detect the temperature inside the undercarriage component and to generate wireless measurement signals that include temperature representative data; a gateway that includes a gateway wireless transceiver; a central processing unit operatively connected to the gateway wireless transceiver and configured to receive and store the wireless measurement signals, and a wireless access point operatively connected to the central processing unit and configured to receive said wireless measurement signals stored in the central processing unit and to generate corresponding wireless measurement signals, the wireless access point acting as an entry point for accessing the temperature representative data detected by the at least one sensor device.

A monitoring system of at least one physical magnitude in at least one undercarriage component, the system includes at least one sensor device arranged in an undercarriage component, the sensor device configured to detect the temperature inside the undercarriage component and to generate wireless measurement signals that include temperature representative data; a gateway that includes a gateway wireless transceiver; a central processing unit operatively connected to the gateway wireless transceiver and configured to receive and store the wireless measurement signals, and a wireless access point operatively connected to the central processing unit and configured to receive said wireless measurement signals stored in the central processing unit and to generate corresponding wireless measurement signals, the wireless access point acting as an entry point for accessing the temperature representative data detected by the at least one sensor device.

A sensor device for calculating air temperature includes a support structure, to be traversed by the air and defining a seat having an air inlet and an air outlet, and a sensor arranged inside the seat to detect at least one first value and at least one second value of the air temperature that traverses the seat. The sensor device is configured so that, when detecting the first and second value, the air traverses the seat at a first and at a second speed, at which the sensor has a first and second heat transfer coefficient and first and second radiant power. The ratio between air speeds, heat transfer coefficients, or radiant powers is predetermined. The sensor device can be used with a data processing logic unit that calculates the air temperature starting from the first value, the second value, or the ratios between air speeds and radiant powers.

A temperature sensor for a battery cell of a rechargeable battery is described, and includes a resistive sensing element, a first electrode, and a second electrode. The resistive sensing element, the first electrode, and the second electrode are affixed to a porous separator. The porous separator is interposed between an anode and a cathode of the battery cell. The resistive sensing element is electrically connected in series between the first electrode and the second electrode, and the resistive sensing element, the first electrode and the second electrode are affixed onto the separator as film layers, and are porous.

Various embodiments of the teachings herein include a sealing device for sealing a cold-end part of a thermocouple wire arrangement based on a mineral-insulated cable, the sealing device comprising: a sealing element including an electrically insulating material, the sealing element defining a through-hole for passing through a respective thermocouple wire of the mineral-insulated cable; a sealing ring arranged at an outer rim of the sealing element for fixing the sealing device to a sheath or a support tube of the mineral-insulated cable; and an electric temperature sensing element for sensing an absolute temperature of the cold-end part. The temperature sensing element has at least one temperature-dependent electrical property.

Various embodiments of the teachings herein include a sealing device for sealing a cold-end part of a thermocouple wire arrangement based on a mineral-insulated cable, the sealing device comprising: a sealing element including an electrically insulating material, the sealing element defining a through-hole for passing through a respective thermocouple wire of the mineral-insulated cable; a sealing ring arranged at an outer rim of the sealing element for fixing the sealing device to a sheath or a support tube of the mineral-insulated cable; and an electric temperature sensing element for sensing an absolute temperature of the cold-end part. The temperature sensing element has at least one temperature-dependent electrical property.

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.

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.