Current leakage interrupter, having a shell consisting of an upper shell and a lower shell, a PCB inside the shell, a detection device and a trip device mounted to the PCB, power lines electrically connected to the trip device through the detection device, and pins electrically connected to the trip device. The lower shell has pin holes; front ends of the pins extend out of the pin holes. A reverse hook is provided at an inner side of the lower shell at an edge of each pin hole to fix onto a first side of a rear end of a corresponding pin; a second side of the rear end of each pin is extended and bended into a bended portion; a supporting seat is also provided at the inner side of the lower shell at the edge of each pin hole to support the bended portion of the corresponding pin.

An electrical connection device includes at least one contact and a carrier. The carrier includes at least one receptacle and the at least one contact inserted into the at least one receptacle. The carrier includes a printed circuit board and at least one temperature sensor arranged on the printed circuit board in a vicinity of the at least one contact. The printed circuit board includes an electrically insulating layer and an electrically conductive top layer separated from a support plate by the electrically insulating layer. The electrically conductive top layer is arranged in a region of a recess of the electrically insulated layer and includes an outer connection region and an inner contact region. The inner contact region is formed by the at least one contact through a recess of the support plate. The electrically conductive top layer rests against a lateral surface of the at least one contact.

This application discloses a protection circuit for preventing a misconnection at an input end and a photovoltaic power generation system, and relates to the field of power electronics technologies. The protection circuit includes an input end, a misconnection detection unit, a mechanical interlocking unit, and a switch unit. The input end is configured to connect to an output end of a direct current power supply. A first input end of the misconnection detection unit is connected to a first port of the input end, and a second input end of the misconnection detection unit is connected to a second port of the input end. An output end of the misconnection detection unit is coupled to the mechanical interlocking unit. The mechanical interlocking unit is connected to the switch unit. A first end of the switch unit is configured to connect to the input end, and a second end of the switch unit is configured to connect to a next circuit. The misconnection detection unit is configured to: when connection wires of the first port and the second port are incorrect, control the mechanical interlocking unit to keep the first end of the switch unit and the second end of the switch unit in a disconnected state. When positive and negative poles of a power supply connected to the input end are misconnected, the protection circuit can be used to prevent a circuit from being affected by the misconnection.

Connection systems and methods thereof facilitate establishing electrical connections through a barrier such as a drape without compromising a sterile field established by the barrier. A connection system can include two connectors. A first connector can include a first-connector housing defining a cavity, a slideable end piece coupled to a distal-end portion of the first-connector housing, and at least a first piercing element connected to a first electrical lead. The first piercing element can be configured to enter the cavity and pierce a barrier disposed in the cavity when the slideable end piece is advanced toward a proximal-end portion of the first-connector housing. A second connector can include at least a first receptacle within a second-connector housing connected to a second electrical lead. The first receptacle can be configured to form at least a first electrical connection with the first piercing element after the first piercing element pierces the barrier.

An electrical power connector includes a connector housing having a receptacle receiving an elongated DC power distribution busbar, a first spring contact element arranged at a first side of the receptacle and pressed with a contact area to a first surface of the elongated DC power distribution busbar, and a second spring contact element pressed to a second surface of the elongated DC power distribution busbar opposite the first surface. The second spring contact element is arranged at a second side of the receptacle opposite to the first side. The power connector includes a temperature sensing device arranged inside the connector housing and monitoring a temperature at the first spring contact element and/or the second spring contact element.

A plug connector part for charging an electrically-operated vehicle is provided. The plug connector part includes at least one electrical contact element which is connectable along an insertion direction to a counter-contact element of a counter-plug connector part and has a plurality of contact lamellae grouped around a plug opening for receiving the counter-contact element. The plug connector part also includes a spring element arranged at the contact lamellae circumferentially around the insertion direction, at least in portions, in order to provide a mechanical pre-tensing. Further, a sensor device is configured to detect a measurement variable and is arranged at least at one of the contact lamellae and is held by the spring element at the at least one of the contact lamellae.

A system for detecting a presence of a feature or function of an output device used with an electronic device. The system includes a connector associated with the output device, the connector having a magnetic region comprising one or more magnetized members to provide a magnetic field. The system further includes a magnetic sensor associated with the electronic device, the magnetic sensor being positioned proximate a connection port of the electronic device, the connection port being configured to receive the connector to enable the magnetic sensor to detect a presence of the magnetic field and to determine the feature or function of the output device. The system further includes control logic associated with the magnetic sensor, the control logic controlling the electronic device based on the presence of the magnetic field and according to the determined feature or function of the output device.

According to an aspect, there is provided an electrical socket system comprising: an electrical socket comprising at least one temperature sensor; and a controller configured to monitor a temperature sensed by the temperature sensor, wherein the controller is configured to: determine a temperature gradient of the temperature with respect to time; determine if the temperature gradient exceeds a threshold gradient value; and trigger an alarm event if it is determined that the temperature gradient exceeds the threshold gradient value.

The embodiments of the present disclosure provide a plug, an interface device and an identification method thereof. The plug includes at least one insulating pin row including a plurality of insulating pins, a conductive pin which is stretchable and retractable along an axis direction is provided on at least one side of a central line of each of the at least one insulating pin row, and the conductive pin is arranged between two adjacent insulating pins of the plurality of insulating pins.

A connector with overvoltage protection, and methods of use, for charging an electric aircraft. The connector includes a housing, at least a current conductor, a protection circuit, at least a sensor and a controller. The housing is configured to mate with an electric aircraft port of the electric aircraft. The at least a current conductor is configured to conduct a current. The protection circuit is configured to control transmission of electrical power through the connector. The at least a sensor is configured to detect an output voltage of the connector. The controller is communicatively connected to the at least a sensor. The controller is configured to determine an overvoltage output as a function of the output voltage, and activate the protection circuit based on detection of the overvoltage output.