An interface control circuit comprises an interface signal transceiver circuit coupled with an interface which includes at least one interface pin for transmitting and/or receiving an interface signal through the interface, and a protection circuit for generating a protection control signal according to a capacitance of a first interface pin. During a predetermined detection time period starting from an attaching event, the protection circuit senses the capacitance of the first interface pin, and determines that there is an electrolytic substance existing and coupled with the first interface pin when the capacitance is larger than a predetermined first capacitance threshold. The protection control signal triggers the interface signal transceiver circuit to execute a protection operation. The interface includes the first interface pin and the second interface pin, and the first interface pin and the second interface pin can be one same pin or separate different pins.

A water detection circuit includes a voltage detector electrically connected to at least one first pin of a connector and configured to detect a first voltage level from the at least one first pin at a first point in time and a second voltage level from the at least one first pin at a second point in time, a detection logic configured to compare the first voltage level with a first threshold and compare the second voltage level with a second threshold and a power controller configured to block current from being supplied to the at least first pin before the second point in time, after the first water detection operation is completed, wherein the detection logic determines that water is present in the connector when water is detected in at least one of a first water detection operation and a second water detection operation.

An electronic device for controlling a power supply is provided. The electronic device includes a power unit configured to supply power, a power management unit configured to receive a supply of power from the power unit and to distribute the supplied power, a flood sensing unit connected to the power unit and located in a part of the electronic device most subject to flooding or fluid penetration, and a power control switch configured to, if a voltage level of the flood sensing unit is a first level indicating no detected flooding or fluid penetration, electrically connect the power unit and the power management unit to each other, and if the voltage level of the flood sensing unit is a second level indicating a detected flooding or fluid penetration, interrupt an electrical connection between the power unit and the power management unit.

Disclosed is the glove worn by a user for incapacitating an individual. The glove includes a housing configured to cover palm and fingers of the user, the housing having a palm side layer for covering the front part of the hand and a backside layer for covering the back part of the hand; a circuit control unit configured on the backside layer having an anesthesia electrical wave generator for generating anesthesia electrical wave for incapacitating the individual; a power source configured on the palm side layer to power the circuit control unit; wherein the palm side layer having a first cutting resistance layer to protect the user's hand from foreign particles. Further, the palm side layer includes a flexible electrode layer, a pressure sensor, a water proof insulation layer, a first knitting cloth layer. Further, the backside layer includes a backside leather layer and a second knitting cloth layer.

An electronic control device for use in a motor vehicle includes an electronic housing for accommodating an electronics system that includes a circuit board, and a resistance sensor for detecting water that has penetrated into the electronic housing. The resistance sensor includes at least two sensor electrodes, each of which is present, at least in one section, in an uninsulated state with respect to the interior of the electronic housing, and a control unit that is configured to detect and evaluate a measured resistance value between the two sensor electrodes. The control unit is further configured to output a trigger signal when the detected measured resistance value or its deviation from a normal value meets a trigger criterion that is characteristic of a contact closure between the two sensor electrodes that is caused by the presence of water in the electronic housing.

An electronic control device for use in a motor vehicle including an electronic housing, a capacitor sensor, and a control unit. The capacitor sensor may be provided with a capacitor sensor electrode arranged inside the electronic housing. The control unit may be configured to output a trigger signal in response to receiving a measured capacitance value deviating from a threshold value, from the capacitor sensor electrode, indicative of a conductive liquid in the electronic housing.

The present application provides a protective housing for a display device of a portable equipment, which comprises a surface cover, a surface cover plate, a frame body, a bottom case and a back plate, wherein a lower surface of the surface cover is detachably fixed on the frame body, a waterproof adhesive tape is arranged around the lower surface of the surface cover, the upper surface of the surface cover is fixed on the surface cover plate, a lower end of the frame body is fixed on the bottom case, a lower surface of the bottom case is fixed with an upper surface of the back plate, a corresponding end of the frame body is fixed with an adaption interface, an inner side of the adaption interface is arranged corresponding to a first connector of the display device.

A telecommunications cabinet (100) for enclosing telecommunications equipment (110) of a telecommunications network, the telecommunications cabinet comprising: an electric water pump (140); a water detector (160), wherein the water detector is configured to cause activation of the electric water pump upon detecting water; a power supply (150) for powering the electric water pump; and a fluid conduit (170), coupled to the electric water pump, extending from within the cabinet to an outside of the cabinet via an aperture (180) in the cabinet so as to convey water out of the cabinet.

A vehicle battery safety sensor system providing liquid detection inside a battery pack includes a battery pack having a structure defining a battery cell bay receiving a battery. A first sensor is mounted to the structure proximate to a low point area of the battery cell bay for sensing an operating condition within the low point area of the battery cell bay. A second sensor is mounted to the structure elevated above the first sensor for sensing an operating condition above the low point area of the battery cell bay. A safety module processes signals received from the first sensor and the second sensor and identifies if the operating condition within the low point area of the battery cell bay defines a fluid present in the low point area of the battery cell bay.

The invention relates to an underwater device for capturing images of a seabed, comprising at least one sensor for detecting a sensor value, at least one electrical consumer and an electrical energy source for supplying electrical energy to the electrical consumer. The underwater device is characterised in that, based on the sensor value, it is determined whether a hazardous condition exists for the electrical consumer and an energy distribution unit is provided which disconnects the electrical consumer from the electrical energy source if a hazardous condition exists.