Abstract: A surge protection system includes a receptacle body, at least one power output jack, a power obtaining device, at least one surge protection module, a microcontroller unit, and a surge detection circuit. The at least one surge protection module includes a housing, a memory element, and a surge protection circuit that includes a surge absorption element and a thermal fuse connected in series and parallel. The surge absorption element absorbs a surge inputted from an external power supply, and the memory element records a number of surges carried by the surge absorption element. When the surge enters the surge protection system from the external power supply, the surge absorption element absorbs the surge, and the surge detection circuit outputs a signal to the microcontroller unit that writes the number of surges carried by the surge absorption element into the memory element.

Abstract: An extension socket capable of rotation and a ground-electrode conductive structure thereof are provided. The ground-electrode conductive structure includes at least two ground-electrode conductive units. Each of the at least two ground-electrode conductive units has a ground-electrode clamping portion and a ground-electrode connecting portion formed by extending from an end of the ground-electrode clamping portion. A ground-electrode pivot portion is disposed at an end of each of the ground-electrode connecting portions away from the ground-electrode clamping portion. The at least two ground-electrode conductive units are pivotally connected with each other through the ground-electrode pivot portions of two adjacent ones of the ground-electrode connecting portions.

Abstract: A power input device and a power module are provided. The power input device includes a plug structure. The plug structure includes a first conductive terminal member, a second conductive terminal member, a first electrical connection member, and a second electrical connection member. The first conductive terminal member includes a first terminal and a first shaft rod. The second conductive terminal member includes a second terminal and a second shaft rod. The first electrical connection member includes a conductive sheet and a first conductive elastic element. Two ends of the first conductive elastic element are respectively connected to the conductive sheet and abutted against the first shaft rod. The second electrical connection member includes a conductive ring and a second conductive elastic element. Two ends of the second conductive elastic element are respectively connected to the second shaft rod and abutted against the conductive ring.

Abstract: A power connection assembly includes a housing, a plug, and a first and a second conductive member. The housing has a first opening. The plug is disposed in the housing, and includes a first rotating base, and a first and a second electrode terminal. The first rotating base is movably fitted into the first opening. The first and the second electrode terminal penetrate through the first rotating base to form a first and a second contact portion. The first conductive member includes a first clamping portion that includes two second elastic sheets. Each second elastic sheet has a first and a second elastic segment. The first elastic segment is L-shaped, and the second elastic segment is cylindrical. The second elastic segments of the two second elastic sheets are configured to clamp the first electrode terminal, so that the first electrode terminal electrically contacts the first conductive member.

Abstract: A surge protection system includes a receptacle body, at least one power output jack, a power obtaining device, at least one surge protection module, a microcontroller unit, and a surge detection circuit. The at least one surge protection module includes a housing, a memory element, and a surge protection circuit that includes a surge absorption element and a thermal fuse connected in series and parallel. The surge absorption element absorbs a surge inputted from an external power supply, and the memory element records a number of surges carried by the surge absorption element. When the surge enters the surge protection system from the external power supply, the surge absorption element absorbs the surge, and the surge detection circuit outputs a signal to the microcontroller unit that writes the number of surges carried by the surge absorption element into the memory element.

Abstract: An outlet device for hanging on a plate includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, and a power core connected to the counterweight portion. Each of the counterweight portion and the hanging portion has an outlet unit electrically connected to the power core. The outlet device is configured so that the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using a weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: A varistor module includes a base, a case, a varistor body and a metal flat spring. The base has two limit structures. The case is assembled with the base and to form a closed space. The limit structures are disposed in the closed space. The varistor body includes a ceramic chip and two limit pins. The ceramic chip has two electrode layers located on two opposite surfaces, respectively. The limit pins are disposed on the electrode layers, respectively. The limit pins extend outward from the corresponding electrode layers and pass through the limit structures. One of the limit pins forms a splice segment between the electrode layer and the limit structure. The metal flat spring is disposed on the base. One end of the metal flat spring passes out of the closed space, and the other end of the metal flat spring is connected to the splice segment.

Abstract: A varistor module includes a base, a case, and a varistor body. The base and the case are assembled with each other to form a closed space. The varistor body includes a plurality of ceramic chips and a bridging element. The ceramic chips are disposed in the closed space. Each ceramic chip has an electrode layer on two opposite sides, respectively. The bridging element has at least two bridging segments and a crossing segment. The bridging segments are connected to electrode layers of different ones of the ceramic chips. The crossing segment is disposed between the bridging segments.

Abstract: A varistor module includes a base, a case, a varistor body and a metal flat spring. The base has two limit structures. The case is assembled with the base and to form a closed space. The limit structures are disposed in the closed space. The varistor body includes a ceramic chip and two limit pins. The ceramic chip has two electrode layers located on two opposite surfaces, respectively. The limit pins are disposed on the electrode layers, respectively. The limit pins extend outward from the corresponding electrode layers and pass through the limit structures. One of the limit pins forms a splice segment between the electrode layer and the limit structure. The metal flat spring is disposed on the base. One end of the metal flat spring passes out of the closed space, and the other end of the metal flat spring is connected to the splice segment.

Abstract: A varistor module includes a base, a case, and a varistor body. The base and the case are assembled with each other to form a closed space. The varistor body includes a plurality of ceramic chips and a bridging element. The ceramic chips are disposed in the closed space. Each ceramic chip has an electrode layer on two opposite sides, respectively. The bridging element has at least two bridging segments and a crossing segment. The bridging segments are connected to electrode layers of different ones of the ceramic chips. The crossing segment is disposed between the bridging segments.

Abstract: An outlet device includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, a voice controlling module installed in the hanging portion, and a power cord connected to the counterweight portion. The outlet unit of the counterweight portion and the voice controlling module are electrically connected to the power cord. The voice controlling module is to receive voice signal for controlling a corresponding electronic device. When the outlet device is applied to a plate, the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: An outlet device includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, a blowing unit, and a power cord connected to the counterweight portion. The outlet unit of the counterweight portion and the blowing unit are electrically connected to the power cord. The blowing unit is installed on the counterweight portion, the hanging portion, or the extending portion for inhaling external air into the airflow channel and blowing airflow to the air exit. When the outlet device is applied to a plate, the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: A socket module of a rotatable socket device includes a first conductor, a second conductor, an insulator that is arranged to separate the first conductor from the second conductor, and a plurality of terminal sets. The first conductor includes a first base and a plurality of central rods connected to the first base. The second conductor includes a second base and a plurality of tubes connected to the second base. The tubes are respectively sleeved around the central rods. Each of the central rods and the corresponding tube are separated from each other by the insulator. The terminal sets are respectively rotatable along the central rods within a range of 360 degrees. Each of the terminal sets includes a first terminal rotatably contacting the corresponding central rod and a second terminal rotatably contacting the tube that is sleeved around the corresponding central rod.

Abstract: An outlet device for hanging on a plate includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, and a power core connected to the counterweight portion. Each of the counterweight portion and the hanging portion has an outlet unit electrically connected to the power core. The outlet device is configured so that the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using a weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: A socket module of a rotatable socket device includes a first conductor, a second conductor, an insulator that is arranged to separate the first conductor from the second conductor, and a plurality of terminal sets. The first conductor includes a first base and a plurality of central rods connected to the first base. The second conductor includes a second base and a plurality of tubes connected to the second base. The tubes are respectively sleeved around the central rods. Each of the central rods and the corresponding tube are separated from each other by the insulator. The terminal sets are respectively rotatable along the central rods within a range of 360 degrees. Each of the terminal sets includes a first terminal rotatably contacting the corresponding central rod and a second terminal rotatably contacting the tube that is sleeved around the corresponding central rod.

Abstract: A varistor device includes a main body, a conductive area, a specific-melting-point metallic pin, and an elastic unit. The main body has a first surface, and the conductive area is located at the first surface. The specific-melting-point metallic pin has a first section and a second section. The first and the second sections are one-piece formed. The first section is fixedly disposed on the conductive area. The second section has a specific melting point such that the second section melts when a current flows between the first surface and the second section so as to expose the second section to a temperature greater than the specific melting point. The elastic unit has an end connected to the second section, and the elastic unit provides an elastic force to the second section to break the second section so as to cut off the current when the second section melts.

Abstract: A conductive device and a socket for providing electric power are provided. The conductive device includes a block body, at least two terminal structures, and an equipotential layer. The block body has a fixing portion having at least two holes formed thereon. The two terminal structures are arranged inside of the block body and respectively near to the holes. The equipotential layer is electrically connected to the two terminal structures and set to have the same polarity as that of the two terminal structures.

Abstract: An outlet device includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, a voice controlling module installed in the hanging portion, and a power cord connected to the counterweight portion. The outlet unit of the counterweight portion and the voice controlling module are electrically connected to the power cord. The voice controlling module is to receive voice signal for controlling a corresponding electronic device. When the outlet device is applied to a plate, the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: An outlet device for hanging on a plate includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, and a power core connected to the counterweight portion. Each of the counterweight portion and the hanging portion has an outlet unit electrically connected to the power core. The outlet device is configured so that the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.

Abstract: An outlet device includes a counterweight portion, a hanging portion arranged distant from the counterweight portion, an extending portion having two ends respectively connected to the counterweight portion and the hanging portion, a blowing unit, and a power cord connected to the counterweight portion. The outlet unit of the counterweight portion and the blowing unit are electrically connected to the power cord. The blowing unit is installed on the counterweight portion, the hanging portion, or the extending portion for inhaling external air into the airflow channel and blowing airflow to the air exit. When the outlet device is applied to a plate, the counterweight portion is arranged under the plate and the hanging portion is arranged on the plate, and the hanging portion remains hung on the plate by using the weight distribution of the outlet device, thereby maintaining the outlet device in a static balance state.