Patent application number | Description | Published |
20090161271 | Novel circuit interrupting device with interconnecting reset and test buttons - The present invention provides a novel circuit interrupting device, preferably a ground fault circuit interrupter, which contains a reset button that is capable of interacting with a test button to perform an end-of-life-component test on the circuit interrupting device. The circuit interrupting device also contains a reset switch coupled to the reset button which is capable of disallowing reset if the device is miswired and/or fails the end-of-life-component test. Only when the circuit interrupting device is properly wired, in a tripped state, and all of the key components in the circuit interrupting device are working properly, the depression of the reset button allows the device to be reset. | 06-25-2009 |
20100301682 | Feather-Touch Dimming Switch - A dimming switch comprises an enclosure with a mounting surface, a flat plate button mounted on the mounting surface, a dimming button, a tripping button, a dimmer mounted inside the enclosure, a resetting/tripping device, a dimming control circuit, a power input end configured to connect to a live wire of a power supply, and a power output end configured to connect to an electrical load. Pressing the flat plate button resets the resetting/tripping device, thereby electrically connecting the power input end with the power output end through the dimming control circuit. The dimming button is configured so that rotating the dimming button and pressing the dimming button up and down regulates the output voltage of the dimming control circuit. The tripping button and resetting/tripping device trip so that the electrical connection between the power input end and the power output end will be cut off. | 12-02-2010 |
20100317207 | Power Outlet Socket Safety Shield Device - A power outlet socket safety shield device comprises a left slider comprising a left transverse baffle and a left inclined stopper. A right slider comprises a right transverse baffle and a right inclined stopper. At least one elastic element is positioned between the left slider and the right slider. The left inclined stopper is inclined in a direction opposite to the inclination of the right inclined stopper. When the device is in a rest state, the left inclined stopper is above the right transverse baffle and the right inclined stopper is above the left transverse baffle. When the device is in an active state, the elastic element is compressed, the left slider and the right slider are moved in opposite directions to displace the left inclined stopper away from the right transverse baffle and to displace the right inclined stopper away from the left transverse baffle. | 12-16-2010 |
20100317209 | SUPPLY HUB SAFETY SHIELD - A supply hub safety shield device for a power socket comprises left and right slide blocks comprising sloped shields and platform shields. A slide platform is configured to house the left and right slide blocks such that the left and right slide blocks slide along a surface of the slide platform. The slide platform comprises first and second perforations configured to receive a hot blade and a neutral blade of an attaching plug. First and second elastic components push against the left and right slide blocks. Position blocks in a middle position of the slide platform, are configured to receive surfaces of the elastic components and are further configured to limit sliding distances of the left and right slide blocks. First and second perforations are under the sloped shields when the sloped shields are in initial positions and are configured to be over the hot and neutral line output conductive plug bushes of the power supply when the device is installed in a power socket. | 12-16-2010 |
20110048760 | Outlet or Switch Panel - A panel for mounting to a power outlet or switch comprises a panel holder configured to secure to the power outlet or switch. A slide lock is configured to clip onto the panel holder in a sliding way. A panel case is configured to clip to the slide lock. The panel case is secured to the panel holder through the slide lock. | 03-03-2011 |
20110209891 | POWER SUPPLY SOCKET PANEL - A power supply socket panel comprises a panel enclosure, at least one movable connector, a panel supporter and at least one elastic foot. The panel supporter is mounted to the movable connector, and together they are secured to a power supply socket or switch. The panel enclosure is secured to the panel supporter through the movable connector and the elastic foot is mounted between the panel supporter and the movable connector. During disassembly, the connection component is pressed with hard tools such as a small screwdriver so that the elastic foot is in a compressed state, allowing the panel enclosure to separate from the connection component. In this way, the panel enclosure can be removed. This panel is characterized by a simple structure and convenient assembly/disassembly. | 09-01-2011 |
20110273803 | LEAKAGE DETECTION PROTECTIVE CIRCUIT - The present invention relates generally to a leakage detection protective circuit. This leakage detection protective circuit includes a rectification circuit, a current-limiting resistance, a controlled silicon rectifier (SCR), a power supply main circuit switch linked with a reset button and a tripping coil with a built-in iron core. The rectification circuit, tripping coil, and SCR are connected in series with each other, forming a circuit. The control pole of the SCR is connected, through the current-limiting resistance and the diode, to the shielding layer of the power output wires. When a leakage failure occurs, the shielding layer connected to the control pole of the controlled silicon rectifier becomes electrified, triggering the controlled silicon rectifier. A magnetic field is then generated within the tripping coil and its built-in iron core moves, causing the reset button to trip. This invention is characterized by a compact circuit and robust operation. | 11-10-2011 |
20110273813 | Leak Detection and Leak Protection Circuit - A leak detecting and leak protecting circuit comprises a rectification circuit comprising positive and negative power output ends, current limiting resistors, a diode, a silicon control comprising control poles, a switch capable of linking to a resetting button, and a tripping coil comprising a built-in iron core. The rectification circuit outputs DC power. The tripping coil, switch, and silicon control are connected in series and then are connected to the positive and negative power output ends of the DC power output from the rectification circuit. The control poles of the silicon control are capable of connection with a shielding layer of output wires through at least one of the current limiting resistors and a diode. And, when the switch is in a resetting state, the switch is closed, and, when the switch is in a tripped state, the switch is open. | 11-10-2011 |
Patent application number | Description | Published |
20090086389 | Circuit interrupting device with end-of life testing, reverse wiring and high voltage surge capability - The present invention provides a circuit interrupting device, preferably a ground fault circuit interrupter, which provides a quick and reliable connection/disconnection of electrical continuity through a combined use of a reset spring and a quick trip spring; an innovative circuit interrupting assembly containing a pair of input flexible metal pieces, a pair of user accessible load flexible metal pieces, and two pairs of fixed contacts on the load terminals; an automatic end-of-life testing mechanism by way of a simulated leakage current metal piece assembly; a reverse wiring protection by way of a reset start switch; an electrical surge protection through a power discharge mechanism; and a periodical end-of-life testing using a timer chip. | 04-02-2009 |
20090086390 | Novel circuit interrupting device with high voltage surge protection - The present invention provides a circuit interrupting device which is capable of providing protection against electrical surge through its innovative electrical discharge design; establishing or discontinuing electrical continuity among the input power source, output load, and user accessible load through its innovative contacts connection/disconnection design; automatic or manual testing of the condition of the key components in the circuit interrupting device by way of a simulated leakage current; and testing whether the device is properly wired by way of a reset switch. | 04-02-2009 |
20090091869 | Circuit interrupting device with automatic components detection function - The present invention provides a circuit interrupting device which contains four pairs of contacts to electrically connect/disconnect to an input power source to a user accessible load and an output power end. The present invention also provides a simulated leakage current generating switch, which is capable of automatically generating a simulated current to test the circuit interrupting device when the power lines are properly wired and in a tripped state. The present invention further provides a reset switch which allows reset when the power lines are properly wired and the reset button is depressed. In addition, the present invention provides a dual-functioned test button which can manually generate a simulated leakage current when a first-level test button is depressed, and can perform a mechanical trip when a second-level test button is depressed. | 04-09-2009 |
Patent application number | Description | Published |
20120081819 | Leakage Protection Outlet - A leakage protection outlet includes an upper cover with jacks, an intermediate bracket, a base, a power input end, a power output end, pairs of conductive plug bushes, baffles, a baffle locking mechanism, a reset button including a reset button extension arm, a reset mechanism, and an electromagnetic tripping mechanism. The baffle locking mechanism includes a lock latch, a lock latch keeper, and a reset spring. The reset button is linked to the reset mechanism and is configured to connect the power input and output ends together when pressed. The electromagnetic tripping mechanism is configured to disconnect the power input end from the power output end in response to a leakage current. The pairs of conductive plug bushes correspond to the jacks. The baffles are positioned between the pairs of conductive plug bushes and the jacks. The lock latch rests upon the baffles and the reset button extension arm. | 04-05-2012 |
20120083142 | Power Outlet with Shield Locking Mechanism - A power outlet comprises an enclosure with a plug jack, a reset button comprising an extension arm, a transition contour on the extension arm and at least one safety shield configured to selectively block at least a portion of the plug jack. The safety shield comprises an outer wall and a pin groove. A shield latch comprises a travel section configured to elastically contact the extension arm, a stop section in contact with the safety shield, the stop section comprising a convex pin, and a self-reset mechanism. When the extension arm is in an upward position, the travel section presses against it, and when the extension arm is in a downward position, the travel section has a buffer space. When the travel section presses against the extension arm, the convex pin presses against the outer wall to lock the safety shield. | 04-05-2012 |
20120149221 | Power Outlet with Jack Safety Shield Device - A power outlet includes a casing, a middle-layer support and at least one safety shield device. The middle-layer support includes at least one conductive plug bush and provides guiding jacks corresponding to the position of the conductive plug bush. The safety shield device has a left shield, a right shield and a spring. Each left and right shield extends a shield foot from the underside, respectively. The middle-layer support further includes sliding platforms for movement of the left shield and the right shield. The sliding platform has location holes for insertion of the shield feet. When the left shield and right shield lock, two shield feet respectively match against an opposite inner edge of two location holes on the sliding platform. When the left shield and right shield open, the guiding jack on the middle-layer support exposes. | 06-14-2012 |
20120187958 | ELECTRIC LEAKAGE DETECTION PROTECTIVE CIRCUIT WITH MAGNETIC LOCK MECHANISM - An electric leakage detection protective circuit comprises two normally closed switches. The live wire at the power output terminal is connected to the live wire output plug bush at the power output plug jack via a normally closed switch and constitutes a group of live wire conductors at the power output side; the neutral wire at power output terminal is connected to the neutral wire output plug bush at the power output plug jack via a normally closed switch and constitutes a group of neutral wire conductors at the power output side. When the outlet reset button is at either a trip position or a reset position, the power live wire output terminal is connected to the live wire output plug bush of the power output plug jack, and the power neutral wire output terminal is connected to the neutral output plug bush of the power output plug jack. | 07-26-2012 |
20120287537 | LEAKAGE DETECTION PROTECTION CIRCUIT - A leakage detection protection circuit comprises null and live wires in power input and power output ends. Also included are induction coil (L | 11-15-2012 |
20120287572 | Power Outlet with Jack Safety Shield Device - An electrical receptacle with a baffle latching mechanism can prevent an electroshock accident by keeping the baffle and baffle latching mechanism from moving. A baffle latching mechanism for an electrical receptacle, comprises a rectilinear baffle latch comprising a first side perpendicular to a second side, a positioning groove between a first end and a second end of the first side, a platform at the bottom of the positioning groove, and a positioning convex pin projecting from the second side of the baffle latch. | 11-15-2012 |
20120320485 | LEAKAGE DETECTION PROTECTION CIRCUIT WITH LIGHTNING PROTECTION - An electrical protection circuit comprises a circuit board, an induction coil, a self-exciting coil, a control chip, a silicon controlled rectifier, a rectifier diode, a resistor, a filtration capacitor, a trip coil with iron core, a group of main circuit switches, and a reset button. An analog electric single-pole double-throw switch linked with the reset button comprises a traveling contact lever, a first static contact jaw, and a second static contact jaw. When the reset button is in a tripped or reset state, the traveling contact lever is connected with the second static contact jaw and the switch is in a closed state. When the reset button is pressed down, the traveling contact lever disconnects from the second static contact jaw, contacts the first static contact jaw, then disconnects from the first static contact jaw and returns to the closed state with the second static contact jaw. | 12-20-2012 |
20130171847 | LEAKAGE PROTECTION SOCKET WITH INTEGRATED BAFFLE LOCKING MECHANISM - A power outlet may comprise an enclosure with at least one plug jack, a reset button comprising at least one integrally formed extension latch arm, the extension latch arm comprising at least one positioning pin, and at least one baffle configured to selectively block at least a portion of the plug jack, the baffle comprising an outer wall comprising a face, a pin slit, and a leg. The extension latch arm positioning pin is configured to selectively press against the outer wall face when the extension latch arm is in an upward position. The extension latch arm positioning pin is configured to selectively enter the outer wall pin slit when the extension latch arm is in a downward position. | 07-04-2013 |
20140321006 | LEAKAGE PROTECTION SOCKET WITH REVERSE CONNECTION PROTECTION - The present disclosure provides an improved leakage protection socket with reverse connection protection function. The electromagnetic tripping mechanism comprises a trip coil, an iron core and a permanent magnet that fit with a return spring, the iron core has, in its front end, a boss to pull the lock for horizontal movement, the movable input contacts are clamped by a rib slot of an upper tripper that can moves upward and downward along with the reset button. There is also provided a reverse connection trip device, which has a slope that coordinates with the boss of the iron core, upon reverse connection, the trip coil generates a magnetic field in the same orientation with the permanent magnet. | 10-30-2014 |
Patent application number | Description | Published |
20120170159 | LEAKAGE DETECTION PROTECTIVE CIRCUIT - The leakage detection protection circuit comprises power input and output ends, an induction coil, a self-excitation coil, a control chip, a controlled silicon rectifier, a commutation diode, a resistor, a current limiting resistor, a filter capacitor, a tripping coil, a pair of main circuit switches linked with a reset button, a test button, and first and second test switches. When the reset button is in a tripped state, the first test switch is open and the second test switch is closed. Additionally, when the reset button is pressed down, the first test switch changes from open to closed, the second test switch remains closed, and the neutral wire of the power input end is connected to the output end of the live wire of the power input end to enable generation of an analog leakage current. Finally, when the reset button is reset, the first and second test switches are both open. | 07-05-2012 |