Abstract: A modular direct-current power conversion system is applied to receive a DC input voltage and output a DC output voltage. The modular direct-current power conversion system includes a main board and a plurality of DC power conversion modules. The main board includes a primary surface, a voltage input terminal, a voltage output terminal, a plurality of insertion regions, and a plurality of pin holders. When the DC power conversion module is inserted on the main board, the DC input voltage is inputted via the voltage input terminal to the DC power conversion module. The DC power conversion module converts the DC input voltage into a DC output voltage, and the DC output voltage is outputted via the voltage output terminal.

Abstract: The current convertor comprises a current converting device and a combinative plug. The current converting device comprises a casing and a current converting module arranged in the casing. The casing has at least one track extended from an outer surface of the casing along a sliding direction. The combinative plug comprises an insulating body and a conductive pin set disposed on the insulating body. The insulating body has a quick releasing portion conformed in shape to the track. The quick releasing portion is detachably sliding on the track of the casing along the sliding direction for maintaining the relative position between the current converting device and the combinative plug and for establishing electrical connection between the conductive pin set and the current converting module.

Abstract: The present invention discloses a compact server power supply having high power density has a casing, a main printed circuit board, a sub-printed circuit board, a power supplying circuit, a power output terminal set and a fan. The power supplying circuit has a primary side circuit unit, a transformer and a secondary side circuit unit. Electric elements of the primary and secondary side circuit units and the transformer are soldered on the main printed circuit board except parts of the electric elements of the secondary side circuit unit are soldered on the sub-printed circuit board. The sub-printed circuit board is vertically mounted and soldered on the main printed circuit board, so the length of the main printed circuit board is shortened to implement the server power supply having a compact size and high power density.

Abstract: A power converter is provided that has an alternating-current (AC) to direct-current (DC) switched-mode power converter circuit that converts alternating-current power into direct-current power for powering an attached electronic device. Power can be conserved by automatically placing the power converter circuit in a low-power standby mode of operation whenever the electronic device is detached from the power converter. A monitoring circuit can be powered by a capacitor or other energy storage element while the power converter is operating in the standby mode. If the monitoring circuit detects an output voltage change that is indicative of attachment of the electronic device or if the storage element needs to be replenished, the monitoring circuit can place the power converter circuit in an active mode of operation.

Abstract: The invention relates to a mains plug component with a housing and a mains switch component arranged in the housing comprising a first stage for rectifying a mains AC voltage and a second stage for generating a DC voltage from the rectified mains AC voltage. The first stage comprises an electromechanical switch, by means of which a first or second voltage range may be selected. The housing has a section for a pin of an inserted plug piece such that, on insertion, the switch is activated by the inserted pin. The plug piece for insertion has no pin for the first voltage range and a pin for the second voltage range.

Abstract: A power supply unit is provided for supplying low voltage power. The supply unit includes at least one power plug contact connectable to a supply voltage; at least one output lead for outputting the low voltage; and a voltage transformer unit having at least one electronic component for transforming the supply voltage to the low voltage. The power supply unit includes a casing made of a casing base element and a lid element, such that the power plug contact is held in the casing base element or in the lid element in such a way that it can be plugged into a power socket. The voltage transformer unit is mounted on a circuit carrier which is arranged in the casing base element in such a way that a defined first region of the circuit carrier is received in a casting space filled with an electrically insulating casting compound.

Abstract: An enhanced power distribution unit (PDU) with self-orienting display uses an orientation sensor in conjunction with a microprocessor to properly orient visual display of information by one or more displays of the enhanced PDU. Information displayed can relate to electrical current furnished to one or more power outlets of the enhanced PDU and/or information related to temperature, humidity or other conditions of the enhanced PDU.

Abstract: A power conversion apparatus converting power from the battery to be supplied to the load includes: a first substrate provided with a power conversion circuit; a second substrate provided with a control circuit; a casing having a casing body accommodating the first and second substrates; an input portion connecting a lead of an input harness connected to the battery; an output portion connecting a lead of an output harness connected to the load; an input connector integrated with the casing body to cover the input portion; and an output connector integrated with the casing body to cover the output portion. The input connector is configured to connect an end portion of the input harness to be mountable and demountable from/to the input connector and the output connector is configured to connect an end portion of the output harness to be mountable and demountable from/to the output connector.

Abstract: A compact power adapter comprises an electric circuit, a casing and two electrically conductive AC prongs. A first portion of the casing contains the electric circuit. A second portion of the casing extends from a side of the first portion and has a generally cylindrical shape and size receivable in a car cigarette lighter. The second portion has two recesses and electrical contacts that receive electrical energy when the second portion is received in the car cigarette lighter. The AC prongs are receivable in an AC power outlet, and are rotatably coupled to the casing to rotate between a first position where the AC prongs extend from the casing approximately perpendicular to a longitudinal axis of the generally cylindrical shape of the second portion and a second position where each of the AC prongs is received in a respective one of the recesses of the second portion.

Abstract: A power conversion apparatus according to an embodiment includes a case that can be provided on a mounting wall surface and places therein an electric reactor and a power conversion board for performing power conversion between a predetermined power generator and a commercial electric power system. The case is sectioned into a central area and first and second side areas that sandwich the central area therebetween. The electric reactor is arranged in the central area.

Abstract: An inverter with a connector element has a fixture with a connector element arranged thereupon and an electronic part which can be plugged into the connector element, together forming the inverter. The connector element is formed by a connector block for connecting at least one solar module, and at least one connector for the electronic part, wherein corresponding connector sockets for pluggably connecting to the connectors are arranged on the electronic part, and the inverter is formed by a DC breaking element. To allow solar modules to be separated easily, the connector element is composed of an assembly wherein the connector block and the connector are arranged at least on one side and a DC breaking element is arranged between them. An actuation element of the DC breaking element is arranged outside the assembly to mechanically or electronically activate and deactivate the connection between the connector block and the connector.

Abstract: An apparatus, system and method are disclosed for eliminating the power consumption of external electrical power adapters plugged into sources of power but detached from electrical devices they are intended to serve. The apparatus comprises a power-accessing plug, a power supply circuit, a first connector, and a second connector. The power-accessing plug is electrically connected to an external source of electrical power. The power supply circuit comprises circuitry to convert the external electrical source power into an electrical form useful for consumption by an electrical device. The first connector comprises a switch and is electrically connected to the plug and the power supply circuit. The switch (1) has an open position when the apparatus is not electrically and physically attached to an electrically powered device and (2) has a closed position when the apparatus is electrically and physically attached to the electrical device whereby current is able to flow through the apparatus.

Abstract: The reliability of a semiconductor device is improved. A package of a semiconductor device internally includes a first semiconductor chip and a second semiconductor chip in which power MOS•FETs are formed and a third semiconductor chip in which a control circuit controlling the first and second semiconductor chips is formed. The first to third semiconductor chips are mounted on die pads respectively. Source electrode bonding pads of the first semiconductor chip on a high side are electrically connected with a first die pad of the die pads via a metal plate. On a top surface of the die pad 7D2, a plated layer formed in a region where the second semiconductor chip is mounted, and another plated layer formed in a region where the metal plate is joined are provided and the plated layers are separated each other with a region where no plated layer is formed in between.

Abstract: A system of components pertaining to electrical wiring and adaptive, multipurpose outlets. A standardized and interchangeable in-wall system includes low voltage, direct-current power from an alternating current power source, compatible with existing AC outlet boxes. In a preferred embodiment, a standardized configuration of in-wall USB ports supplies low voltage, direct current, and includes a removable, interchangeable docking station. The invention allows for the charging of electronic devices while simultaneously preserving the availability of all AC outlets.

Abstract: Power supply equipment includes low power assemblies and high power assemblies, each of which is detachably mateable to either one of two power ports. To simultaneously power two low power devices, low power assemblies are respectively mated to each of the power ports. To simultaneously power one low power and one high power device, a low power assembly is mated to one of the power ports and a high power assembly is mated to the other power port. The low power assemblies transfer a low DC voltage, but not a high DC voltage, to low power devices. The high power assemblies transfer a high DC voltage, but not a low DC voltage, to high power devices. If a high power assembly is mated to each of the power ports, power flow is interrupted without putting the power supply in an overvoltage or overcurrent condition.

Abstract: Power supply equipment includes an adapter which converts power from a power source to DC power for powering an electronic device. The adapter further includes circuitry which produces a data signal for use by the electronic device to control power flow within the electronic device. A cable, which is electrically coupled to the adapter, has a connector at its distal end. The power supply equipment further includes a plurality of tips, each of which has an input connector, an output connector and at least three conductors. The input connector of each tip is detachable mateable to the connector on the distal end of the cable. The output connector of each tip is detachably mateable to a corresponding electronic device. The conductors transfer the DC power and the data signal from the input connector to the output connector. A tip output connector has a shape and size dependent on the shape and size of a power input opening of the electronic device to which the tip corresponds.

Abstract: A power adapter apparatus comprises an AC power input adapted to receive AC power, an AC-to-DC converter, a switch, a timer, and a casing at least partially enclosing the AC-to-DC converter, the switch and the timer. The AC-to-DC converter is configured to convert the AC power to DC power. The switch is operable to connect the AC power input with the AC-to-DC converter, and to disconnect the AC power input from the AC-to-DC converter. The timer is operable to preset a desirable time at which the switch turns off to disconnect the AC power input from the AC-to-DC converter.

Abstract: A battery substitute device for providing an alternative power source for battery operated ‘cordless’ tools and similarly powered appliances. The battery substitute device is generally shaped like the battery pack it replaces and includes an AC-DC power converter powered by AC plug-in power through a flexible line and AC mains plug. The battery substitute device interchangeably mates with said tools and appliances providing the option of continuous uninterrupted, full power use of the tool and gives the user the option of optimized power source for material, torque and power properties, and user convenience. The battery substitute device reduces the need for multiple battery packs, extends the life of the battery packs and reduces waste caused by fully depleted battery packs. It also reduces the need to anticipate a project and charge battery packs. The battery substitute device will make a useful, effective tool much more useful and much more effective.

Abstract: A power adapter for a peripheral device such as portable electronics device is disclosed. The power adapter includes a housing that contains electrical components associated with the power adapter. The power adapter also includes a data port provided at a surface of the housing. The data port is configured to provide external power to the peripheral device.

Abstract: A power adaptation device and a power supply management method thereof are provided. The power adaptation device includes a terminal seat, a detection structure, a detection unit, an electric power modulation unit, an electric power modulation unit, and a control unit. The power supply management method includes the following steps. A detection result of the detection structure is read by the detection unit to judge whether the power terminal is electrically connected to the electronic device. The detection unit notifies the control unit that the power terminal is not connected to the electronic device when judging that the power terminal is not connected to the electronic device. The control unit controls the electric power modulation unit to stop supplying power to the electric power modulation unit to reduce a total power consumption of the electric power modulation unit.

Abstract: The USB AC adapter with removable USB vehicle power adapter comprises of a housing with a slot that holds a removable vehicle power adapter. The housing has an alternating current plug adapted to be insertable into an alternating current source. The housing further encloses a universal serial bus. Power conversion circuits are enclosed in the housing to convert the 110V alternating current to both 5V and 12V direct currents. The 5V direct current is directed through the universal serial bus in the housing. The 12V direct current is directed to the slot that holds the removable vehicle power adapter. The removable vehicle power adapter is adapted to be removable from the housing and insertable into a vehicle's cigarette lighter socket and converts the 12V from the vehicle's direct current power supply to 5V direct current output through a universal serial bus.

Abstract: A power adapter apparatus and a power management method thereof are disclosed in the invention. The power adapter includes an output interface and a power modulation unit. The power adapter can be electrically connected with an electronic device through the output interface. There is a detective structure disposed on the output interface. The power management method includes steps of: 1) detecting whether the power adapter apparatus is electrically connected with the electronic device by the detective structure; and 2) when the output interface is detected to be disconnected from the electronic device, switching the power modulation unit to a standby state, so as to reduce a total power consumption of the power modulation unit.

Abstract: A voltage adapter system includes a voltage modifier to invert and regulate voltage. A primary female plug is mounted on the voltage modifier and is electrically coupled to the control actuator. The primary female plug is an electrical inlet. An electrical outlet is mounted on the voltage modifier and is electrically coupled to the control actuator. A pair of clamps is provided and each of the clamps is positionable on and electrically coupled to a pair of leads of a vehicle battery. A male plug is electrically coupled to the clamps. The male plug attached to the clamps is removably extended into and electrically coupled to the primary female plug to supply electricity to the voltage modifier from the vehicle battery. A plug from an electrically powered apparatus is extendable into the electrical outlet to receive electrical power from the voltage modifier.

Abstract: A power supply of personal computers equipped with a modular conversion circuit comprises a main circuit board, a conversion module board, a first conversion circuit and a first module slot located on the main circuit board, and a second conversion circuit and a second module slot located on the conversion module board. The first conversion circuit converts an input power to generate at least one output power. The first module slot outputs the output power. The second conversion circuit converts the output power and generates at least one conversion power. The second module slot outputs the conversion power to allow at least one external element to respectively electrically connect to the first module slot and the second module slot according to power requirement.

Abstract: A power adapter for a peripheral device such as portable electronics device is disclosed. The power adapter includes a housing that contains electrical components associated with the power adapter. The power adapter also includes a data port provided at a surface of the housing. The data port is configured to provide external power to the peripheral device.

Abstract: An AC fixture has one or more AC sockets, and a port powering or charging device with one or more ports. The port powering or charging device has a circuit board with a power circuit which is configured to convert AC power, from AC wires connected to the AC socket, to DC power. The power circuit is configured to deliver the DC power to the one or more ports, which may be a USB, FireWire, mini-USB, HDMI or other port or combination of ports. In a further example, a communication circuit provides signal and data connections over the AC wiring, to one or more of the ports. In a still further example, a lamp or other indicator visible on a faceplate of the device is activated upon a reversed connection of the AC wires, to alert an installer or a user of a wiring fault.

Abstract: The present invention provides a power saving method and apparatus for powering a lower voltage device from a higher voltage power source. The apparatus includes a switch having an input coupled to an output of the higher voltage power source. The apparatus further includes a high-to-low voltage converter having an input coupled to an output of the switch. The apparatus also includes a power plug having an input coupled to an output of the high-to-low voltage power converter, and an output configured to receive a power socket of the low voltage device. Finally, the apparatus includes a switch actuator coupled to the power plug and the switch. When the power plug is operatively engaged within the power socket of the lower voltage device, the switch actuator closes the switch. When the power plug is operatively disengaged from the power plug, the switch actuator opens the switch.

Abstract: An AC adapter unit compactly houses the AC adapter block and DC cable so that radiation noise from the DC cable is not amplified. The AC adapter unit 4 has an AC adapter 7 that includes an AC adapter block 52 and a DC cable 51, and a storage tray 6 that stores the AC adapter 7. The connector-side cable part 51b of the DC cable 51 is stored in the storage tray 6 on the left-side part 6D of the AC adapter block 52. The connector-side cable part 51b has a bundled part 51c with a figure-8 shape when seen from the top opening 6a side of the storage tray 6. The long axis of this bundled part 51c is parallel to the long axis of the AC adapter block 52. Because the DC cable 51 has a figure-8 shaped bundled part 51c, the part that runs parallel to electronic circuit boards inside the AC adapter block 52 is reduced and amplification of radiation noise is reduced.

Abstract: A power converter is provided that has an alternating-current (AC) to direct-current (DC) switched-mode power converter circuit that converts alternating-current power into direct-current power for powering an attached electronic device. Power can be conserved by automatically placing the power converter circuit in a low-power standby mode of operation whenever the electronic device is detached from the power converter. A monitoring circuit can be powered by a capacitor or other energy storage element while the power converter is operating in the standby mode. If the monitoring circuit detects an output voltage change that is indicative of attachment of the electronic device or if the storage element needs to be replenished, the monitoring circuit can place the power converter circuit in an active mode of operation.

Abstract: A portable hand held power inverter/converter having a pass through device for simultaneously sourcing A.C. and multiple voltage D.C. power consuming devices through a single D.C. power source connection. Inverter and converter circuitry is provided to invert and convert D.C. voltage to an A.C. voltage source and a lower DC voltage. A.C. electrical outlets are provided to facilitate a connection to an external A.C. power-consuming device and a DC outlet to a lower volt DC power-consuming device. The pass through device provides an independent and simultaneous connection to an additional D.C. outlet that would otherwise be eliminated when occupied by the inverter thus allowing simultaneous connection and operation of both A.C. and multi source D.C power consuming devices through a single external D.C. power outlet of a single D.C. power source.

Abstract: A universal power supply system having a power supply configured to generate a predetermined direct current output sufficient to simultaneously power a plurality of direct current powered devices connected thereto. A plurality of identical sockets are electrically coupled in parallel with the direct current output of the power supply. Individual power cables having a standardized first plug which fits into the sockets at one end and a device specific second plug at an opposing end. A voltage regulating circuit is operatively disposed in either the standardized first plug or device specific second plug which converts the intermediate direct current voltage generated by the power supply to a direct current voltage required by a particular direct current powered device.

Abstract: Method, system and apparatus enabling a computing system to automatically identify the capabilities of a power supply coupled to the computing system. The power supply includes a controller that sends an identification code to a computing system prior to sending a power good signal to the computing system. The identification code and the power good signal are preferably sent over a single conductor, such as a power supply connector pin. The computing system receives the identification code for cross-referencing against a list of power supply identification codes and associated capabilities. Optionally, instructions from the computer system to an output device may be controlled as a function of the identified power supply capabilities.

Abstract: A direct current regulated power supply includes a switch power supply, a power connector, and a control switch. The switch power supply is configured for receiving a main power and converting the received main power into direct current power to supply an electronic device. The power connector is electrically coupled to the switch power supply, and includes an enable pin. The control switch includes an input electrically coupled to the enable pin of the power connector, and an output that is grounded.

Abstract: A power conversion apparatus is provided, which accommodates electronic components configuring at least part of a power conversion circuit, and a terminal block collecting wires running from the electronic components, in a case. The terminal block includes a plurality of terminal connecting parts at which a plurality of high-voltage cables, through which electric power is received from and provided to the outside of the case, and the wires are connected to each other, and insulating parts provided between the terminal connecting parts and ensuring insulation between the high-voltage cables and between the wires. A plurality of insertion holes, into which the high-voltage cables are inserted, are formed in one side wall of the case. An opening part for performing an operation for fixing the high-voltage cables to the terminal connecting parts is formed in a wall of the case opposed to the terminal connecting parts and the insulating parts.

Abstract: An AC adapter including an AC-side plug module and a DC-side connector module coupled to each other is provided. A first voltage-reducing element and a relay are electrically coupled to an AC power supply. An AC-to-DC converter is electrically coupled to the relay. The DC-side connector module has a mechanical switch element electrically coupled to the relay and the first voltage-reducing element. When the DC-side connector module is connected to a device socket, the mechanical switch element is turned on and the relay is enabled, so that the electrical power of the AC power supply is transmitted to the AC-to-DC converter through the enabled relay. When the DC-side connector module is disconnected from the device socket, the mechanical switch element is turned off and the relay is disabled, so that the electrical power of the AC power supply is not transmitted to the AC-to-DC converter.

Abstract: The reliability of a semiconductor device is improved. A package of a semiconductor device internally includes a first semiconductor chip and a second semiconductor chip in which power MOS•FETs are formed and a third semiconductor chip in which a control circuit controlling the first and second semiconductor chips is formed. The first to third semiconductor chips are mounted on die pads respectively. Source electrode bonding pads of the first semiconductor chip on a high side are electrically connected with a first die pad of the die pads via a metal plate. On a top surface of the die pad 7D2, a plated layer formed in a region where the second semiconductor chip is mounted, and another plated layer formed in a region where the metal plate is joined are provided and the plated layers are separated each other with a region where no plated layer is formed in between.

Abstract: This invention provides a power supply comprising a mother board, a first socket, and a DC-DC converter module. The mother board comprises a transformer operative for transforming an input power into a first AC output power and a filter operative for receiving the first AC output power and filtering the first AC output power into a first DC output power. The first socket is mounted on the mother board and electrically coupled to a circuitry of the mother board by way of at least one conductor terminal operative for providing the first DC output power. The DC-DC converter module mounted on a printed circuit board electrically coupled to the mother board comprises a DC-DC converter operative for receiving the first DC output power and converting the first DC output power into a second DC output power and a third DC output power and a second socket operative for providing the second DC output power and the third DC output power by means of a conductive path of the printed circuit board.

Abstract: A voltage control method includes producing an error signal based on a difference between a reference signal and an adaptor voltage and an adaptor current corresponding to the adaptor voltage, regulating, based on the error signal, the adaptor voltage, comparing a reference voltage to a voltage proportional to a potential corresponding to an identifying voltage corresponding to the adaptor voltage, detecting, based on the comparison result, whether or not a couplable external power source is suitable, and setting based, on the detection result, a potential corresponding to the identifying voltage.

Abstract: A power circuit device has a housing. A connection electrically couples AC power to an interior portion of the housing. A female electrical socket is coupled to the housing and is electrically coupled to and receives AC power from the connection. An AC to DC converter is electrically coupled to the connection to receive AC power therefrom and produce a DC output therefrom. A current sensor senses current drawn by one of the AC to DC converter and the female electrical socket. A switch, responsive to the current sensor, selectively removes power from the other one of the female electrical socket and the AC to DC converter when a drop in current is sensed by the current sensor. AC versions without DC conversion are also contemplated. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Abstract: A multifunctional wall socket related to electrical conduction connecting device, comprising socket cover (1) with a conventional power connector (2) and a USB port (3) arranged on the socket cover. The USB port (3) is connected to the output terminals of an AC-DC conversion module (4) arranged on the socket cover (1). The AC-DC conversion module (4) comprises a rectifier filter module (41), modulation step-down module (42), current sampling and protection module (43), voltage reference module (44) and feedback control module (45). A first safety shutter (6) which can be opened or closed in arranged at the USB port (3) on the socket cover (1), or a second safety shutter (7) which can be opened or closed is arranged at the conventional power connector (2).

Abstract: A power adapter includes an insulation casing. A plug module has at least one plug pin which defines a plug end protruding out of the insulation casing and an inserting end opposite to the plug end received in the insulation casing. The insulation casing receives a printed circuit board, at least one connecting member and conductive member therein. The conductive member is fixed on the printed circuit board and defines a receiving space. The connecting member has a contact portion received in the receiving space of the conductive member for electrical connection therebetween and a retaining portion connecting with the inserting end of the plug module. The assembly structure of the power adapter is simplification.

Abstract: A power supply adapter is provided. The power supply adapter includes a power converter circuit configured to generate a regulated voltage signal. The power converter circuit includes a rectifier coupled with AC power blades. A regulator circuit is coupled with the rectifier. A transformer is coupled with the regulator circuit. The transformer includes a primary and a secondary. The transformer is coupled with the regulator circuit via the primary. An output circuit is coupled with the secondary of the transformer. The output circuit includes an output capacitor. A flexible contact is coupled with each of a first and a second printed circuit board and flexibly biased to couple with a proximate end of the AC power blades. The adapter includes an EMI shield substantially surrounding a connector receptacle. The power converter circuit can include a forward or a flyback power converter. The transformer can include a planar format transformer coupled with the first or the second PCB.

Abstract: An AC-DC adapter is provided with an auto-sensing capability to sense when no DC load is present at the output (secondary side) of the adapter by monitoring for absence of load-indicative signals, such as power supply identifier (PSID) signals communicated to the adapter from a coupled DC-powered device. Upon detection of a no load condition, the adapter enters a no load mode during which the adapter output is turned off in order to reduce energy consumption by the adapter, and only produces short recurring voltage pulses (hiccups) at the adapter output. Upon detection of load-indicative signals communicated to the adapter from a coupled DC-powered device, the adapter output enters normal mode and provides its normal regulated power value to the adapter output for powering the coupled DC-powered device.

Abstract: Disclosed is a compact inverter plug that can be used with LED lighting strings. The inverter plug has a size and shape that is comparable to a standard wall plug and is capable of plugging into a standard wall socket. The inverter plug is waterproof and can be easily assembled. A unique inverter circuit is utilized that is compact and highly efficient. Monitoring is performed by a transformer coil that generates a monitoring signal. The inverter is controlled by controlling the modulation frequency of a direct current signal using a controller.

Abstract: A power circuit device has a housing. A connection electrically couples AC power to an interior portion of the housing. A female electrical socket is coupled to the housing and is electrically coupled to and receives AC power from the connection. An AC to DC converter is electrically coupled to the connection to receive AC power therefrom and produce a DC output therefrom. A current sensor senses current drawn by one of the AC to DC converter and the female electrical socket. A switch, responsive to the current sensor, selectively removes power from the other one of the female electrical socket and the AC to DC converter when a drop in current is sensed by the current sensor. AC versions without DC conversion are also contemplated. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.

Abstract: A photovoltaic system, a terminal box and a voltage converting device thereof is provided. The terminal box and the voltage converting device have a connector plug or a connector socket, wherein said connector plug and connector socket are electrically connected by plugging. The photovoltaic system comprises a solar module, the terminal box and the voltage converting device, the terminal box and the voltage converting device being electrically connected by plugging the connector plug and connector socket, and the converting device being fixed to the solar module through a support member. With this photovoltaic system, the installation manner, which is free from conducting wires, is convenient, reliable and cost-effective.

Abstract: An adapter connection structure, which includes a first converter and a second converter. The first converter is connected to at least one input terminal to receive an input power and converts the input power into a transitional power. The second converter is connected to the first converter via a transit cable to transmit the transitional power, converts the transitional power into a DC output power and outputs the DC output power via a DC power cable. As the transitional power transmitted from the first converter to the second converter is in the form of a high-voltage and high-frequency AC power or a high-voltage DC power, the power transmission loss in the transit cable is reduced. Therefore, the present invention reduces transmission loss.

Abstract: The present invention discloses a socket with power supply, comprising a housing having a upper cover and a lower cover which are connected together to form a receiving space; a transformer connected with an alternate current source through a plug protruding out of the first opening; at least a socket capable of outputting the alternate current; a rectifying circuit capable of rectifying the alternate current to direct current; and an output power plug coupled with the rectifying circuit and protruding out of the second opening through a power cord to output the direct current to an electronic device.

Abstract: A modular power adapter and method for using the same which increases the ease of a user's travel with portable electronic devices. The modular power adapter includes an output module which may be interchangeably and detachably coupled to DC input module or an AC input module. The output module and the input module are provided in separate housing structures thereby effectively spreading the heat dissipated from the modular power adapter.

Abstract: A system of components pertaining to electrical wiring and adaptive, multipurpose outlets. A standardized and interchangeable in-wall system includes low voltage, direct-current power from an alternating current power source, compatible with existing AC outlet boxes. In a preferred embodiment, a standardized configuration of in-wall USB ports supplies low voltage, direct current, and includes a removable, interchangeable docking station. The invention allows for the charging of electronic devices while simultaneously preserving the availability of all AC outlets.