Patent application number | Description | Published |
20100201348 | MODULAR ENERGY METER - A modular energy meter, containing at least a power line access module, the power line access module containing at least a phase line access portion having an input end and an output end, and a zero line access portion having an input end and an output end, and at least one modular energy metering device each having a phase line input end, a zero line input end, and a phase line output end. The input end of the phase line access portion is connected to a phase line of a power line. The input end of the zero line access portion is connected to a zero line of the power line. The modular energy metering device operates to measure energy values output from a phase line output end and a zero line output end of the power line. The output end of the phase line access portion is connected to the phase line input end of the modular energy metering device. The phase line output end of the modular energy metering device is connected to a phase line output line. The output end of the zero line access portion is connected to a zero line output line. The number of the zero line output lines and the phase line output lines corresponds to that of the modular energy metering devices. | 08-12-2010 |
20110089006 | CIRCUIT BREAKER WITH SHORT CIRCUIT SELF-LOCKING FUNCTION - A circuit breaker with a short circuit self-locking function, a short circuit self-locking mechanism is disposed in the circuit breaker, and comprises a self-locking mechanism and a reset mechanism. As the circuit breaker is opened, it cannot be directly closed, whereby reminding an operator of a short circuit fault. | 04-21-2011 |
20110225433 | ELECTRIC LOCKING AND SEALING DEVICE, CASE COMPRISING THE SAME, AND CONTROL SYSTEM THEREFOR - An electronic locking and sealing device, including: a housing, a lock tongue, an operating unit, a main control unit, and a connecting part, the operating unit is disposed in the housing and fixedly connected to the lock tongue, and operates to push out or to take back the locking tongue from or in the housing, the main control unit is connected to the operating unit, and operates to receive an external control instruction whereby automatically controlling the operating unit, and the connecting part has a hole disposed at the center thereof and corresponding to the lock tongue. | 09-15-2011 |
20110273249 | CIRCUIT BREAKER WITH SECONDARY PROTECTION FUNCTION - A circuit breaker with a secondary protection function, comprising a first circuit breaking unit, a second circuit breaking unit, and a housing. The first circuit breaking unit and the second circuit breaking unit are disposed in the housing, the first circuit breaking unit operates to switch on or off loads from electric lines, the second circuit breaking unit operates to disconnect the loads from the electric lines as the first circuit breaking unit fails, and the housing is made of insulating and flame-retardant materials. | 11-10-2011 |
20110273817 | REMOTELY-CONTROLLABLE CIRCUIT BREAKER - The invention relates to a remotely-controllable circuit breaker, including a first circuit breaking unit, remote control unit, and housing. The first circuit breaking unit and the remote control unit are disposed in the housing; the first circuit breaking unit operates to switch on or off loads and electric lines; the remote control unit operates to control the interruption of the remotely-controllable circuit breaker via a remote control signal; and the housing is made of insulating and flame-retardant materials. | 11-10-2011 |
20110273818 | CIRCUIT BREAKER WITH TIME-DELAY FUNCTION - A circuit breaker with a time-delay function, including a first circuit breaking unit, a remote control unit comprising a time-delay control circuit, and a housing. The first circuit breaking unit and the remote control unit are disposed in the housing, the first circuit breaking unit operates to switch on or off loads and electric lines, the remote control unit operates to control interruption of the circuit breaker with a time-delay function via a remote control signal, the time-delay control circuit operates to implement time delay after the remote control unit receives the remote control signal and before the first circuit breaking unit switches on or off the loads and the electric lines, and the housing is made of insulating and flame-retardant materials. | 11-10-2011 |
20120153934 | VOLTAGE AND CURRENT SAMPLING DEVICE - A voltage and current sampling device, including a box, a current transformer, and a voltage acquisition unit, including a voltage collection sub-unit, and a voltage/frequency conversion sub-unit. The current transformer is disposed in the box. A phase line passes through the center of the current transformer. The current transformer outputs a current signal via a current signal output end. The voltage collection sub-unit is disposed on the phase line whereby acquiring a real-time voltage signal and converting the real-time voltage signal into a first voltage sampling signal. The voltage/frequency conversion sub-unit is connected to the voltage collection sub-unit whereby converting the first voltage sampling signal into a first frequency signal. | 06-21-2012 |
20120181157 | CIRCUIT BREAKER - A built-in intelligent circuit breaker with an automatic closing function, including a box body and a bearing plate. Inside the box body is provided a circuit breaker actuating mechanism, a wire inlet end, and a wire outlet end. The circuit breaker actuating mechanism is triggered by a poke rod positioned in the box body. The bearing plate is positioned in the box body and combined with an electrical operating mechanism. The electrical operating mechanism is provided with an execution end, and the execution end is connected with the poke rod, such that the circuit breaker actuating mechanism is triggered by the poke rod to realize the on/off of the circuit breaker during the operation of the electrical operating mechanism under the control of an automatic closing control unit. | 07-19-2012 |
20120182664 | CIRCUIT BREAKER - A circuit breaker, including: a circuit breaker body and a circuit control board; the circuit breaker body comprising a box body, and a circuit breaker actuating mechanism used for switching the on/off state of the circuit breaker, a wire inlet end, and a wire outlet end arranged in the box body. An automatic closing control unit is arranged on the circuit control board, and the circuit breaker actuating mechanism operates through an electrical operating mechanism under the condition of controlling a motor; the automatic closing control unit includes: a power collection subunit obtaining a power signal from a phase line and conducting rectifying and filtering; and a motor motion control subunit obtaining the power signal, allowing the motor to move after receiving the closing command, and ultimately realizing the closing action of the circuit breaker actuating mechanism. | 07-19-2012 |
20120186963 | CIRCUIT BREAKER - A miniature intelligent circuit breaker, including a box body, the box body including an upper cover and a bottom box, and a circuit breaker actuating mechanism for switching on/off the circuit breaker, a wire inlet end, and a wire outlet end being arranged in the box body. An automatic closing function part is arranged inside the box body and includes an automatic closing mechanical unit and an automatic closing control unit. The automatic closing mechanical unit includes a motor and an intermediate transmission mechanism. The operation of the motor is realized through the automatic closing control unit. The circuit breaker actuating mechanism is driven to move through the transmission of the intermediate transmission mechanism, such that the closing action of the circuit breaker is ultimately realized. | 07-26-2012 |
20120186964 | CIRCUIT BREAKER - A circuit breaker, including a circuit breaker body, a handle, a bottom box, and a bearing plate. The circuit breaker body includes an upper cover, and a notch groove is formed on the upper cover. Two ends of the notch groove are positioned in the on/off position corresponding to the circuit breaker. The handle extends out of the notch groove. A circuit breaker actuating mechanism, a wire inlet end, and a wire outlet end are arranged on the bottom box. The circuit breaker actuating mechanism is triggered by the handle. The bearing plate is arranged between the upper cover and the bottom box and combined with an electrical operating mechanism. The handle is switched in the on/off state during the operation of the electrical operating mechanism under the control of an automatic closing control unit. | 07-26-2012 |
20120307409 | Alternating current contactor with mechanical short circuit self-locking function - An AC contactor with a mechanical short circuit self-locking function includes an AC contactor body. The AC contactor body includes a shell body, wherein a mechanical short circuit self-locking unit is provided therein. The mechanical short circuit self-locking unit includes a short circuit detecting and triggering device for generating a triggering action when a fault of short circuit occurs; and a self-locking acting device for generating a self-locking action after receiving the triggering action, so as to disable the AC contactor to automatically reset after the fault of short circuit is removed. | 12-06-2012 |
20120313788 | Alternating current contactor with electronic short circuit self-locking function - An alternating current contactor (AC contactor) with an electronic short circuit self-locking function, includes an AC contactor body (a). The AC contactor body (a) includes a shell body. A short circuit self-locking portion is provided inside the shell body. The short circuit self-locking portion includes a current collecting unit (b) for collecting a current signal of phase lines (A, B, C); a short circuit detecting unit (c) for obtaining a voltage signal which characterizes a current signal, comparing with a reference signal, and outputting a short circuit detecting signal when short circuit occurs; a short circuit self-locking executing unit (d) for obtaining the short circuit detecting signal to trigger the AC contactor body (a) to generate and maintain a circuit-breaking action; and a self-locking releasing unit (e) for releasing self-locking of the AC contactor body (a) and resetting the alternating current contactor body (a). | 12-13-2012 |
20140145521 | Action output device for micro breaker - An action output device for a micro breaker, connecting with more than one micro breaker, includes: a shell, the shell comprises: a motor, which is for outputting a torque; an action unit, which is for achieving switching the micro breaker on and off, comprising a rotating part, a poking part, and a linking piece, wherein, the torque outputted by the motor is got by the rotating part; the linking piece is drove to swing by the poking part; the linking piece is connected with an action mechanism of the micro breaker for driving to switch on and off; and a control unit, which controls the motor turning on and off. | 05-29-2014 |
20140367232 | Plastic-shell-encased circuit breaker having automatic locking function - A plastic-shell-encased circuit breaker having an automatic locking function comprises a plastic-shell-encased circuit breaker body, a user input unit for inputting a lock code or an unlock code; an authentication processing unit for receiving the lock code or the unlock code from the user input unit, and for outputting a control signal after authentication; a locking action unit for receiving the control signal from the authentication processing unit, and for enabling the plastic-shell-encased circuit breaker body to produce a self-locking or unlocking action. Utilization of the plastic-shell-encased circuit breaker having the automatic locking function is capable of preventing the circuit breaker from being switched on without careful consideration, so as to ensure security of operators. | 12-18-2014 |
20140374223 | Frame-supported circuit breaker having automatic locking function - An air circuit breaker with a self-locking function, includes: an air circuit breaker body; wherein the air circuit breaker further includes an input unit for inputting a locking code or an unlocking code; an authentication processing unit for receiving the locking code or the unlocking code from the input unit and outputting a control signal after authenticating; and a locking unit for receiving the control signal from the authentication processing unit and locking or unlocking the air circuit breaker body. | 12-25-2014 |
20150029633 | Miniature breaker having short circuit self-locking function and miniature breaker having position state detecting function - Both a miniature circuit breaker with short-circuit self-locking function and a miniature circuit breaker with position state detection function include: a first miniature circuit and a miniature circuit breaker operation output device. A motor, an action unit and a control unit are located within the casing of the miniature circuit breaker operation output device. The motor outputs a torque, the action unit obtains the torque and the torque is converted into the closing or breaking operation of the first miniature circuit breaker, the control unit controls the rotation and stop of the motor. A position state detection mechanism is located within the casing of the miniature circuit breaker operation output device of the miniature circuit breaker with position state detection function and triggers the control unit to stop the motor when the closing or breaking operation of the first miniature circuit breaker reaches the specified position. | 01-29-2015 |