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48results about How to "Realize hot-swapping function" patented technology

Method and system for recovering regenerative brake energy of energy storage type urban rail based on supercapacitor

The invention discloses a method and a system for recovering regenerative brake energy of an energy storage type urban rail based on a supercapacitor. The method comprises the following steps of connecting a direct current traction network of the urban rail through a chopping unit and a supercapacitor unit, wherein the chopping unit comprises two bidirectional chopping module units; according to the connecting type of the two bidirectional chopping module units of the direct current traction network, and the voltages of the direct current network and the supercapacitor, controlling the charging and discharging of the supercapacitor unit. The system comprises the chopping unit, the supercapacitor unit, a chopping control module and a direct current isolation switch unit, wherein the chopping unit comprises the two bidirectional chopping module units which are connected in series or parallel, and each bidirectional chopping module unit comprise one or more than one bidirectional DC / DC (direct current / direct current) chopping module which is connected in parallel. The method and the system have the advantages that the regenerative brake energy of the urban rail can be recovered and fed back, and the method and the system can be applied to the common DC1500V / DC750V direct current traction networks; the universality is strong, the reliability is high, the stability is good, the production cost is low, and the flexibility is high.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD +1

FPGA-based (Field Programmable Gate Array-based) IO (Input/Output) bus device with automatic recognition function

The invention relates to an FPGA-based (Field Programmable Gate Array-based) IO (Input / Output) bus device with an automatic recognition function, and belongs to the technical field of buses. The IO bus device comprises a CPU (Central Processing Unit), an FPGA, slot position plates, a parallel bus, a serial bus and a field bus, wherein the CPU and the FPGA are used for carrying out data interaction through an external bus, and the FPGA and the slot position plates are interacted through the parallel bus or the serial bus; the CPU and the slot position plates are directly interacted through the field bus; the FPGA is used for providing a plate address for the CPU and helping the CPU to send and receive data, a state machine is arranged in the FPGA, and the state machine can be used for selecting plate interfaces in a circulation mode to read plate information and data signals. The FPGA-based IO bus device has a self-recognition plate information function, so that the reliability of data interaction is enhanced. The communication among plates is more flexible, and upgrading of a device platform is facilitated. The FPGA serves as a bridge of the CPU and external data, and the interaction of plate data is carried out through the serial bus and the parallel bus.
Owner:NANJING INTELLIGENT APP

Optical module with strong light protection function

The invention discloses an optical module with a blaze protection function. The optical module comprises a light reception assembly used for receiving a light signal, a boost circuit, a current mirror device and an MCU. The boost circuit sends high voltage generated by the boost circuit to a response current output terminal of the light reception assembly through the current mirror device and a current-limiting resistor. The current mirror device receives response current outputted by the light reception assembly, and sends the response current to the MCU after zoom processing. The MCU connects with boost voltage, and adjusts high voltage amplitude outputted by the boost circuit. According to the invention, a high voltage protection circuit is designed at a receiving end of the optical module, so that when a blaze reaches, the light reception assembly is prevented from breakdown and damage, and the optical module is effectively protected. At the same time, through employing a high integrated level transmit-receive one body chip to construct a module circuit, a circuit board dimension is reduced, a SFP interface packaging form is adapted, support of a digital diagnosis function is completed, and maintenance cost of a whole is reduced.
Owner:HISENSE BROADBAND MULTIMEDIA TECH

Socket module

The invention discloses a socket module. The socket module comprises an upper cover and a lower cover, wherein the edge of the upper cover is provided with a convex clamping pin; the lower edge of the upper cover is provided with an annular wiring hole, an L wire clamping hole, a PE wire clamping hole and an N wire clamping hole. The socket module also comprises a PE elastic sheet, an N elastic sheet and an L elastic sheet; the PE elastic sheet, the N elastic sheet and the L elastic sheet are inserted in the corresponding positions inside the upper cover; the lower cover is internally provided with support pillars; and two opposite edges of the lower cover are respectively provided with buckles and wire clamping hole adjusting blocks. The quick punching clamping-type connection is low in resistance, reliable, durable, stable and small in temperature rise, and fire risks are eliminated; hidden electrical dangers such as short circuit and contact oxidation are eliminated; single-point power fault is eliminated, and the power-off range due to multi-point fault is reduced; no broken connection points exist in the whole bus, and connection is firm and nodes are clean; over high temperature rise is avoided, and fire risks do not exist; power distribution reliability is high; the appearance size is small, the height and the thickness of the shell can be controlled in the 1U standard and space can be effectively saved.
Owner:四川睿联安电气有限公司 +1

Power electronic device, power electronic system and hot plugging method of power unit

The invention provides a power electronic device, a power electronic system and a hot plugging method of a power unit. The power electronic device includes a power unit and a mounting cell matched with the power unit; the mounting cell is provided with a guide rail and an entering/exiting opening; the power unit can be pushed in and pulled out through the guide rail and the entering/exiting opening; the mounting cell is further provided with a power supply, a control output end and a signal output end; the power unit is provided with a micro switch as well as a power supply, a control input end and a signal input end which are in matched connection with the above power supply, the control output end and the signal output end; when the power unit is accessed, the power unit is inserted into the mounting cell along the guide rail; the power supply and the control input of the power unit contact with the power supply and the control output end of the mounting cell such that the power supply and the control input of the power unit are in electric connection with the power supply and the control output end of the mounting cell; the signal input end of the power unit is in switch-on connection with the signal output end, and the micro switch is switched on, such that the power unit can be started. When the power unit is required to be pulled out, operation steps are opposite to the above steps. With the hot plug method of the power unit adopted, hot plugging or hot pulling out of the power unit with respect to the mounting cell can be realized under the situation that the whole power electronic system is electrified, and therefore, the work efficiency of the system can be improved greatly.
Owner:DELTA ELECTRONICS INC

Intelligent light source control device capable of realizing stepless dimming

The invention provides an intelligent light source control device capable of realizing stepless dimming which is mainly used for the light source control of a dizziness and nystagmus data acquisition system. The intelligent light source control device comprises a power supply system, an infrared light source, a visible light source, a photosensitive sensor, a light source controller and an SOC (System On Chip); the light source controller comprises a CPU (Central Processing Unit), an I2C bus controller, a serial bus controller, a UIOC (Universal Input/ Output Controller), a visible light source PWM (Pulse Width Modulation) module, an infrared source PWM module, an analog/digital converter, a register list and an encryption module, wherein the CPU is connected with all modules respectively, a register is respectively connected with the encryption module, the visible light source PWM module, the infrared source PWM module and the analog/digital converter. The light source controller is available to the stepless dimming control of the visible light source and infrared light source of an LED (Light Emitting Diode) and the infrared light source can be controlled to emit uniform light to strongly irradiate the veins of irises of eyeballs, so as to display clear pupils of the eyeballs.
Owner:LANZHOU UNIVERSITY

Switch and switch board card hot plug method, device and system thereof

The invention discloses a switch board card hot plug method, device and system of a switch and the switch. The method comprises the steps: detecting an in-place signal of a switch board card in a CPLDvia a processor; determining state information of the pluggable board card according to the in-place signal, wherein the state information comprises identity information and a plugging state, and theplugging state is plugging or removing; according to the state information, configuring drive communication between the processor and communication equipment in the pluggable board card, and configuring a communication port corresponding to the pluggable board card; according to the invention, wherein the CPLD for detecting the in-place condition of the switching board card inserted into the switch is arranged in the switch. The processor can exchange the in-place signals of the board card according to the CPLD, the state information of the switch board card which is plugged is determined according to the state information of the switch board card which is plugged, so that the communication setting of the switch board card which is plugged is correspondingly configured, the switch completes the plugging operation of the switch board card without power failure, the service is quickly recovered, the hot plugging function of the switch board card is realized, and user experience is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Baseboard management control module maintenance method, device and equipment and storage medium

The invention discloses a substrate management control module maintenance method and device, equipment and a storage medium, and the method comprises the steps: carrying out the initialization operation of a first substrate management control module and a second substrate management control module, the first baseboard management control module is determined as a main control module, and the second baseboard management control module is determined as a standby control module; monitoring operation states of the first substrate management control module and the second substrate management control module; when it is monitored that the first substrate management control module breaks down, the second substrate management control module is activated to switch the second substrate management control module to the main control module, and electric connection between the first substrate management control module and the main board is cut off. The first substrate management control module and the second substrate management control module are installed on the server mainboard through the golden fingers and communicate with the controller of the server, hot plugging of the control modules and redundant backup of information can be achieved, and therefore the system maintenance efficiency is improved.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD

Through-bus card-connected ultra-large load capacity ring wiring with high reliability pdu

The invention discloses a bus-through clamping-type ultra large-load capacity annular wiring high-reliability PDU (Power Distribution Unit). A waterproof wiring head is arranged at a wire incoming mounting end plate; the wire incoming mounting end plate and a wire mounting insulated end plate are arranged in an overlapping mode at a wire incoming end of a shell; multiple socket modules are arranged inside the shell; a mounting end plate and an insulated end plate are arranged in an overlapping mode at a closing end of the shell; a bus-PE, a bus-L, and a bus-N are respectively arranged inside the multiple socket modules for electrically connecting the above parts. The quick punching clamping-type connection is low in resistance, reliable, durable, stable and small in temperature rise, and fire risks are eliminated; a charged conductor is fixed and an electrical contact point is closed in the insulated shell during the whole process, hidden electrical dangers such as short circuit and contact oxidation are eliminated; due to annular wiring, single-point fault is eliminated, and the power-off range due to multi-point fault is reduced; no broken connection points exist in the whole bus, and connection is firm; temperature rise is over low, and fire risks do not exist; power distribution reliability is high; the appearance size is small, and the space is saved; and the SPD modules have hot-plug functions.
Owner:GUANGZHOU NANDUN COMM EQUIP

Power electronic device, power electronic system and hot swap method of power unit

The present invention provides a power electronic device, a power electronic system and a hot-plugging method for a power unit. The power electronic device includes a power unit and an installation grid matched with the power unit; the installation grid is provided with guide rails and an inlet and outlet for the power unit to be pushed in and pulled out, and is provided with a power supply and control output end and a signal output end. The power unit is provided with a micro switch, a power source, a control input end and a signal input end which are respectively connected with the power source, the control output end and the signal output end. When the power unit needs to be connected, the power unit is inserted into the installation grid along the guide rail, and the power supply and control input end are contacted with the power supply and control output end to form an electrical connection, and then the signal input end of the power unit and the signal output end are connected again, and the micro Press the switch to start the power unit. When the power unit needs to be pulled out, the sequence is reversed. The present invention can realize hot insertion or hot extraction of the power unit relative to the installation grid under the condition that the whole machine of the power electronic system is electrified, which greatly improves the working efficiency of the whole machine system.
Owner:DELTA ELECTRONICS INC
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