Patents Assigned to Schneider Electric (China) Co., Ltd.
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Publication number: 20250149873Abstract: The disclosure relates to a power distribution protection system and a method thereof. The system includes: a main input unit configured to receive an alternating current power input; a electronic switch; a isolating switch; a main output unit configured to output alternating current power; a main-circuit automatic detection unit configured to detect a parameter of output from the electronic switch in a disconnection state of the isolating switch; a main control unit configured to determine whether a state of the electronic switch is normal based on electrical parameter information detected by the main-circuit automatic detection unit; the main input unit, the electronic switch, the isolating switch and the main output unit are connected in series. When the state of the electronic switch is normal, the isolating switch is closed, and then the electronic switch is turned on. When the state of the electronic switch is abnormal, the isolating switch remains disconnected.Type: ApplicationFiled: November 28, 2023Publication date: May 8, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Heng Bai, Jungang Xu, Jiamin Chen
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Publication number: 20250150075Abstract: A solid-state circuit breaker is disclosed. The solid-state circuit breaker includes: an electronic switch module, wherein an input of the electronic switch module is connected to a phase of a power source and an output of the electronic switch module is connected to a phase of a load; and an energy-absorbing apparatus which includes: a first diode branch including two diodes whose anodes are connected forming a first diode branch midpoint; a second diode branch including two diodes whose cathodes are connected to each other forming the second diode branch midpoint; a transient diode unit connected between the first diode branch midpoint and the second diode branch midpoint; wherein the first diode branch and the second diode branch are connected between two phase lines or between a phase line and a neutral line. A power source line including the solid-state circuit breaker is also disclosed.Type: ApplicationFiled: December 5, 2023Publication date: May 8, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Jungang Xu, Heng Bai, Jiamin Chen
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Publication number: 20250139042Abstract: According to embodiments of the present disclosure, there is provided a control device, a control method and a storage medium. The control device comprises: one or more bus units, respectively connected to a bus in the control device; and a first gateway and a second gateway connected to each other, the first and second gateways are respectively connected to the bus and adapted to couple to the controller, wherein the first gateway is configured to perform information exchange between the controller and one or more bus units, and the second gateway is configured to at least partially perform information exchange in response to a fault associated with the first gateway, replacing the first gateway. According to embodiments of the present disclosure, the second gateway can replace the first gateway to perform information exchange between the controller and the bus unit in the event of a fault of the first gateway.Type: ApplicationFiled: November 29, 2023Publication date: May 1, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Minglei Hei, Haiqing Lang, Qiwei Geng, Zejun Hu
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Publication number: 20250139041Abstract: Embodiments of the disclosure disclose a control device, control method and storage medium. The control device includes: a plurality of connection units respectively connected to a bus in the control device; one or more bus units, wherein each of the one or more bus units is configured to, in response to being connected to a connection unit of the plurality of connection units, obtain a bus address for the bus and corresponding to the connection unit; and a gateway connected to the bus and adapted to communicate with a controller, and the gateway configured to perform information exchange between the controller and the one or more bus units based on the respective bus addresses of the one or more bus units.Type: ApplicationFiled: November 28, 2023Publication date: May 1, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Ying Shi, Minglei Hei, Haiqing Lang
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Publication number: 20250132541Abstract: Embodiments of the present disclosure provides a heat dissipation equipment cabinet. The heat dissipation equipment cabinet comprises: a cabinet comprising a front wall, a rear wall and a pair of sidewalls perpendicular to the front wall, at least one of the front and rear walls comprising at least one cabinet air inlet arranged at bottom and at least one cabinet air outlet arranged at top; and a plurality of drawer assemblies spaced apart from at least one of the pair of sidewalls to form a cabinet heat dissipation channel, a drawer heat dissipation channel communicating with the cabinet heat dissipation channel being formed between every two adjacent drawer assemblies of the plurality of drawer assemblies, and wherein each of the plurality of drawer assemblies has a drawer air inlet and a drawer air outlet. This can improve the heat dissipation effect of the equipment cabinet.Type: ApplicationFiled: December 4, 2023Publication date: April 24, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Ning Li, Jiaojiao Ding, Baoyun Bi, Huaying Li, Jiamin Chen, Ming Tao
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Publication number: 20250132542Abstract: Embodiments of the present disclosure provides a heat dissipating device for an electrical cabinet and the electrical cabinet. The electrical cabinet comprises a cabinet body and a plurality of drawers. The plurality of drawers are inserted into the cabinet body from a front side of the cabinet body in a thickness direction of the cabinet body and arranged along a height direction of the cabinet body. The heat dissipating device comprises a first air inlet and a second air inlet. The first air inlet is arranged on a front side of the cabinet body between two adjacent drawers of the plurality of drawers to receive a first cooling airflow. The second air inlet is arranged on a front side of the cabinet body adjacent to a bottom of the cabinet body to receive a second cooling airflow. The heat dissipating device further comprise an isolation assembly arranged in the cabinet body to isolate the first and second cooling airflows.Type: ApplicationFiled: December 4, 2023Publication date: April 24, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Ning Li, Jiaojiao Ding, Baoyun Bi, Huaying Li, Hongzhi Sun, Xiaoqiang Li, Kun Liu
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Publication number: 20250110188Abstract: Embodiments of the present disclosure provide an electrical device, a method for controlling a solid state circuit breaker electrical device, and a computer-readable storage medium. The method comprises: in a closed state of a mechanical switch of the electrical device, closing one of a plurality of electronic switches of the electrical device within a predetermined time period before a zero-crossing point of an input voltage of a bus circuit to which the electrical device is connected; acquiring a current value or a voltage value of a sampling resistor in the electrical device within the predetermined time period; and in response to determining that the current value or the voltage value as acquired is less than or equal to a predetermined threshold, causing an indication component to indicate that there is no short circuit fault in the bus circuit.Type: ApplicationFiled: November 28, 2023Publication date: April 3, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Jie Feng, Jiawei Liu, Han Wang, Chunchao Hu, Yangfeng Song, Jingjing Ding, Wanlong Bai
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Publication number: 20250112890Abstract: A connector for connecting a device and a communication line is disclosed. The connector includes a first interface unit and an address storage unit. The first interface unit includes a plurality of connection ends. An address information is stored in the address storage unit. A first group of the connection ends is connected to the communication line. A second group of the connection ends is connected to the address storage unit. A third group is connected to the device. The address of the device can be determined by the address information. A connector system for connecting devices and communication lines and to a motor control center is also disclosed.Type: ApplicationFiled: November 28, 2023Publication date: April 3, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Yuchun GUO, Ying SHI, Baoyun BI
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Publication number: 20250104954Abstract: According to an embodiment of the present disclosure, there is provided a solid-state circuit breaker and its self-test method.Type: ApplicationFiled: December 4, 2023Publication date: March 27, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Feng Lu, Haijung Zhao, Jiamin Chen, Jialu Bai
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Publication number: 20250105615Abstract: A residual current circuit breaker and a system including the residual current circuit breaker are provided. The residual current circuit breaker includes: a first switch connected in series between a power supply of the residual current circuit breaker and a load; a second switch connected in series between a standby power supply and the load; and a control means that controls to open the first switch and close the second switch in response to a residual current of a main loop of the residual current circuit breaker exceeding a predetermined threshold, wherein a voltage of the standby power supply is higher than a lowest value of a voltage required for the load to operate and lower than a highest value of a safe voltage, and wherein the first switch and the second switch are mutually exclusive.Type: ApplicationFiled: November 22, 2023Publication date: March 27, 2025Applicant: Schneider Electric (China) Co, Ltd.Inventors: Jiawei Liu, Jiamin Chen, Lei Zhou, Hui Chen, Xinwei Cui, Jie Feng, Han Wang, Chunchao Hu
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Publication number: 20250105614Abstract: Embodiments of the present disclosure provides a solid state circuit breaker, comprising: a first switch; a second switch, connected in series with the first switch in a circuit to be protected; an operation switch, connected to the second switch, wherein the second switch is closed in a case that the operation switch is in a closed position, and is opened in a case that the operation switch is in an opened position; a micro switch, connected to the operation switch, and cable of being driven to a predetermined opened position by the operation switch during the process of the operation switch being switched from the closed position to the opened position; a position detection circuit, connected to the micro switch, capable of generating an opening feedback signal in a case that the micro switch is driven to a predetermined opened position; a control unit, connected to the position detection circuit to receive an opening feedback signal, capable of generating a predetermined opening signal based on the openingType: ApplicationFiled: December 20, 2023Publication date: March 27, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Baoyun Bi, Ying Shi, Jiamin Chen, Qing Yang
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Publication number: 20250104938Abstract: A push-type solid-state circuit breaker, including: a closing button; an opening button; a locking member; a movable contact capable of moving together with the closing button; a linkage plate, arranged on the housing via a spring and capable of moving in a second direction between an extended position and a recovery position, the linkage plate is in the extended position upon the closing button being in the initial closing position and in the recovery position upon the closing button being in the closed position, upon the linkage plate being in the recovery position and the opening button being in the open position, a part of the linkage plate abuts against the opening button and prevents the opening button from returning from the open position to the initial opening position.Type: ApplicationFiled: November 22, 2023Publication date: March 27, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventor: Yang Hu
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Publication number: 20250095929Abstract: Embodiments of the present disclosure provide a press type mechanical switching mechanism and a circuit breaker.Type: ApplicationFiled: November 28, 2023Publication date: March 20, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventor: Wenmei Li
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Publication number: 20250087436Abstract: The present disclosure provides a solid-state circuit breaker including a mounting side plate; an operating handle disposed on the mounting side plate and being rotatable relative to the mounting side plate to switch between a closing state and an opening state; a mechanical switch connected to the operating handle, wherein in a case that the operating handle is rotated by a first angle from the closing state along a rotation direction of the operating handle switched from the closing state to the opening state, the operating handle drives the mechanical switch to open; an actuating assembly disposed on the mounting side plate, wherein an end of the actuating assembly abuts against the operating handle, and the actuating assembly is rotatable relative to the mounting side plate under driving of the operating handle; and a microswitch abutting against the other end of the actuating assembly away from the operating handle, wherein in a case that the operating handle is rotated by a second angle from the closingType: ApplicationFiled: February 22, 2024Publication date: March 13, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Yang Hu, Zhigang Han
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Publication number: 20250088126Abstract: A method of detecting forward and reverse connection of a three-phase motor is disclosed, including: turning on a first solid-state switch pair and a second solid-state switch pair into conduction for a predetermined period of time so that current can flow between a power supply and the three-phase motor; detecting output current of a solid-state motor starter; and determining the forward and reverse connection state of the three-phase motor based on the output current of the solid-state motor starter, in a case that currents exist at a first output terminal and a second output terminal, it is determined that the three-phase motor is in the forward connection state, and in a case that currents exist at the first output terminal and a third output terminal, it is determined that the three-phase motor is in the reverse connection state. Furthermore, a solid-state motor starter is disclosed.Type: ApplicationFiled: November 27, 2023Publication date: March 13, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Qing Yang, Ying Shi, Xiaohang Chen
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Publication number: 20250087437Abstract: Embodiments of the present disclosure provides a break mechanism for a switching apparatus and a switching apparatus.Type: ApplicationFiled: November 28, 2023Publication date: March 13, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventor: Wenmei Li
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Publication number: 20250070589Abstract: Embodiments of the present disclosure provide a voltage stabilizing circuit and a DC microgrid.Type: ApplicationFiled: December 20, 2023Publication date: February 27, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Feng Lu, Haijun Zhao, Jialu Bai
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Publication number: 20250062599Abstract: The disclosure provides an apparatus, a method and a storage medium for address assignment. The address assignment apparatus comprises: a gateway configured to generate an address signal that enables address assignment; an address assignment line coupled to the gateway to receive the address signal, the address assignment line is provided with a plurality of switches; a plurality of connection units disposed in series along the address assignment line and each adapted to be connected to a bus device, each of the plurality of switches is located within one of the plurality of connection units, each of the plurality of connection units is further adapted to: couple the address assignment line to the bus device, control an on-off state of a switch located within the connection unit according to a switch control signal from the connected bus device to control a delivery of the address signal to a downstream connection unit.Type: ApplicationFiled: November 28, 2023Publication date: February 20, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Bing Shuang, Wanlong Bai, Yangfeng Song, Zhenshan Zhao, Ying Shi
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Publication number: 20250054717Abstract: A switch is disclosed, including: a static contact; a static iron core; a moving iron core including a narrow part passing through the first opening of the cavity and a widened part immediately adjacent to the narrow part and away from the static contact relative to the narrow part, and the moving iron core passes through the cavity through the first opening and the second opening of the cavity; a moving contact fixedly arranged on the moving iron core, wherein the platform abuts against the static iron core when the moving contact is in contact with the static contact; a coil arranged in the cavity; a reset piece connected to the moving iron core, wherein the reset piece exerts an elastic force on the moving iron core away from the static contact when the static contact is in contact with the moving contact.Type: ApplicationFiled: November 21, 2023Publication date: February 13, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Xiaoqiang Li, Meng Du
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Publication number: 20250046545Abstract: A bidirectional operation mechanism for a switching device and a switching device assembly. The bidirectional operation mechanism includes: a housing; an operation handle; a first driving member, rotatably installed to the housing, fixedly connected to the operation handle; a second driving member, rotatably installed to the housing, operatively connected to the first driving member and the switching device, upon an external force acting on the operation handle to drive the operation handle rotate between the closed position and the open position, the operation handle drives the first driving member to rotate together, so that the first driving member abuts against and drives the second driving member to rotate, enabling the switching device to perform a closing operation and an opening operation.Type: ApplicationFiled: November 21, 2023Publication date: February 6, 2025Applicant: Schneider Electric (China) Co., Ltd.Inventors: Xiaoqiang Li, Zhen Li, Meng Du, Shunxian Mao, Zhenzhong Liu, Junqi Xiang, Jiamin Chen