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

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.

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.

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.

The invention relates to a method and system for achieving hot swapping of a display screen of a mobile terminal. The method includes the following steps that after a system of the mobile terminal is awakened, the display screen to which the mobile terminal has access currently is recognized, and feature parameters of the display screen to which the mobile terminal has access currently are acquired; whether the display screen to which the mobile terminal has access currently is identical to a display screen to which the mobile terminal has access last time is judged according to the feature parameters; if not, display parameters corresponding to the feature parameters are determined, and the display screen to which the mobile terminal has access currently is initialized according to the display parameters. The hot swapping function of the display screen of the mobile terminal is achieved, the quality of the display screen can be rapidly verified by replacing the display screen of the mobile terminal in the factory-like production process, and production efficiency is improved.

The invention discloses optical transceiver module and system and an optical transceiving method, wherein the optical transceiver module comprises a receiving unit, a launching drive unit and a terminal control unit, wherein the receiving unit is used for outputting lost signals of a receiving terminal, the launching drive unit comprises a positive receiving signal port and a negative receiving signal port, and the terminal control unit is coupled between the positive receiving signal port and the negative receiving signal port. Whether a difference terminal impedance is accessed and coupled between the positive receiving signal port and the negative receiving signal port or not is controlled according to the lost signals of the receiving terminal.

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.

The invention discloses a PCIE (Peripheral Component Interface Express) sub-card-based hot plugging method and apparatus, and relates to the technical field of PCIE buses. The method comprises the following steps that an interruption processing function checks if an interruption is a plugging interruption caused by PCIE sub-card plugging or an unplugging interruption caused by PCIE sub-card unplugging after PCIE sub-card hot plugging causes interruption triggering; if a check result is that the interruption is the plugging interruption, the interruption processing function and a polling thread process the plugging interruption, thereby reporting plugging event information to upper-layer software after a PCIE sub-card is initialized; and if the check result is that the interruption is the unplugging interruption, the interruption processing function and the polling thread process the unplugging interruption, thereby deleting port information corresponding to the PCIE sub-card. According to the method and the apparatus, the hot plugging function of the PCIE sub-card is realized; online power-on and power-off functions are compatible; and exceptions generated in the plugging process can be timely and effectively processed.

The invention relates to an I / O port circuit structure with a hot plug function. The structure comprises an output buffer module, an input buffer module, a hot plug module and an ESD protection module, wherein the output buffer module is connected to a PAD end, an input signal and an input-output selection control end and is used for realizing a function of taking a port PAD as an output end; the input buffer module is connected to the PAD end and an output signal and is used for realizing a function of taking the port PAD as an input end; the hot plug module is connected to the PAD end through a resistor and is used for realizing hot plug; and the ESD protection module is connected to the PAD end and is used for realizing ESD protection of 2000 V. Through adding the hot plug circuit structure based on the conventional I / O port structure, the hot plug function of the device port is realized; and furthermore, the hot plug function is guaranteed while the structure has ESD resistance of 2000 V.

The invention discloses a digital video cable suitable for an unmanned plane optoelectronic system and belongs to the field of electrical connection. The digital video cable suitable for the unmanned plane optoelectronic system comprises two connectors and a wire group and is characterized in that the length of a power source pin of each connector is smaller than those of other pins, the wire is composed of a plurality of double-twisted shielding wires and a double-twisted wire, the double-twisted shielding wires are placed in parallel to the double-twisted wire after being coated with an insulating layer, and the double-twisted shielding wires and the double-twisted wire are finally coated with a metal shielding net layer. The digital video cable suitable for the unmanned plane optoelectronic system achieves the purpose that high-frequency digital video signals and power signals are transmitted together in the optoelectronic system and has the function of hot plugging and the advantages of being simple in structure, high in safety, good in environmental suitability, capable of being used in the unmanned plane optoelectronic system and other imaging devices of the same type and the like.

One embodiment of the invention provides a method for starting the OTG function of a mobile terminal and a mobile terminal. The mobile terminal is configured with a first Hall switch. The method comprises following steps: when the mobile terminal is put in a virtual reality VR device, the mobile terminal receives a first interruption signal generated by the first Hall switch and the VR device is configured with a second Hall switch; for the first interruption signal, the mobile terminal starts the OTG function; when a second interruption signal generated by the second Hall switch is received within a preset period of time, the OTG function is kept on. Thereby the problem that the OTG function of the mobile terminals in the prior art needs to keep the normally start state is solved so that the mobile terminal can turn on the OTG function on demand; the reliability and safety of USB interface of mobile terminals is increased.

An embodiment of the invention provides a bus interface for realizing hot plug and a method thereof. The hot plug can be realized through the electrifying sequence of restricting cards without a special hot plug chip. The invention settles the problem that the special hot plug chip is required for realizing hot plug in prior art. The hot plug is better realized and the bus stability is greatly increased.

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.

The invention relates to a telecommunication-level universal hardware platform, in particular to a micro telecom computing architecture (TCA) standard-based media server. In the media server, two paths of alternating current (AC) or direct current (DC) power are fixed on a case; the power is converted by a power module and then provided to an Oring circuit on a back panel to output 12V power to a load power system and a DC-DC power module; the power module outputs 3.3V power to a management power system; the load power system comprises 4 to 16 load power modules, and outputs 12V power to a microTCA carrier hub (MCH), an advanced mezzanine card (AMC) and a radiating fan; and the management power system comprises 2 to 14 management power modules, and outputs 3.3V power to the MCH and the AMC. In the media server, a microTCA standard power module is cancelled, a normal power module is used, and the management system is electrified by the MCH, so that the complexity and the production cost for power supply of the system are reduced; and a hot-plug circuit is arranged on the back panel, so that a hot-plug function is realized.

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.

The invention discloses a preemptive multiplexed serial port automatic switching method and device. The method comprises the steps of setting an input output end of an MCU chip in equipment as a flagbit, connecting the input output end with a power supply through a second resistor and leading out a first suspended end; connecting a serial port data input end of the MCU chip with a serial port data output end of a sensor in the equipment and a second suspended end through a first diode and a second diode respectively, and connecting positive electrodes of the first diode and the second diodewith the serial port data input end of the MCU chip; connecting the serial port data input end of the MCU chip with the power supply through a first resistor; and connecting a serial port data outputend of the MCU chip with a serial port data input end of the sensor. After the external serial port equipment is manually inserted, communication can be automatically performed with the inserted equipment, so that a channel automatic switching function is realized; and after the external serial port equipment is pulled out, communication is performed with the sensor again, so that a preemptive multiplexed serial port automatic switching function is realized.

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.

The invention relates to the field of storage and discloses a structure and device supporting the hot plug function of a solid-state disk. The device comprises a locking mechanism, a triggering mechanism and a main body, the structure comprises the device and a corresponding CPU control module, the locking mechanism and the triggering mechanism are both mounted on the main body, and the triggeringmechanism sends out a signal within the time when the locking mechanism starts unlocking to ending unlocking. A signal is sent within the time period from unlocking starting to unlocking ending of the solid state disk, the solid state disk to be taken out is controlled to stop reading and writing before popping out and to protect files, so that the hot plug function of the solid state disk is achieved, the structure is simple, and the applicability is strong.

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.

The invention discloses a waterproof plug and a matched socket. The plug comprises an insertion claw part and a wiring part, the wiring part is mounted at the rear end of the insertion claw part; the wiring part has a waterproof function, and can be integrally placed in a place with high air humidity or directly placed in water when a wire is connected, so that water cannot enter the interior, and the applicability of the product is improved; a waterproof mechanism is also arranged in the insertion claw part, and is matched with a specially-made socket for use, so that electrified hot plugging can be performed underwater, and an extreme use environment is met; the socket comprises a jack part and a wiring part; the wiring part is fixedly mounted at one end of the socket part; the socket part and the insertion claw part are matched for use, when a wire is connected, the socket can be directly placed in water, a waterproof structure and a detection mechanism are arranged, and when water enters under an extreme condition, an internal circuit is disconnected and a wire head is protected from being isolated from the outside; and the safety and applicability are extremely high.

The invention discloses an uninterruptible power supply maintaining bypass device. A first breaker, a second breaker and a third breaker can be three single-pole breakers, or the first breaker is a single-pole breaker, the second breaker and the third breaker are a first switch circuit and a second switch circuit of a double-pole breaker, the using numbers of double-pole breakers is reduced, and accordingly maintaining bypass cost is lowered. Through a hot-pluggable connector, the hot-plug function of the uninterruptible power supply maintaining bypass device and an uninterruptible power supply is achieved, and accordingly on-line maintaining can be carried out on the uninterruptible power supply. The using number of the double-pole breakers is reduced, so that a maintaining bypass is small in occupied space and can be easily integrated into a UPS machine case, and accordingly machine frame space is saved.

The invention discloses a secure storage system. The secure storage system comprises a storage device, and a PCIE encryption card which is in plug-in connection with a slot part of a PCIE card of the storage device, and the PCIE encryption card is used for encrypting data input into the storage device in dependence on a data encryption key stored in the PCIE encryption card. The storage device is provided with a universal PCIE card slot portion, the PCIE encryption card stored with the data encryption key is connected with the storage device, by means of the high-speed data encryption function of the encryption card, real-time encryption and decryption of a data flow are achieved, and therefore the encryption device and the storage device are fused together. Because the PCIE has a hot plug characteristic, the hot plug function of the PCIE encryption card is achieved. When the PCIE encryption card is broken down, hot replacement can be carried out conveniently, the stability and reliability of the encryption function are guaranteed, and the case that when the encryption portion is broken down, all businesses are paused can be avoided at the same time.

The invention discloses a hot-swappable SD (Secure Digital) card data recorder based on the SPI (Serial Peripheral Interface) mode. The CS (Chip Select) signal end of an SD card of the SD card data recorder is connected with the pin GPIO (General-Purpose Input / Output) P1.4 of a central processing unit; the DI (Data Input) end is connected with the pin GPIO P3.2 of the central processing unit; the DO (Data Output) end is connected with the pin GPIO P3.3 of the central processing unit; the SCLK (Serial Clock) end is connected with the pin GPIO P3.4 of the central processing unit. The invention also discloses an SD card data recorder hot-swapping method based on the SPI mode. Under the SPI mode, the SD card data recorder hot-swapping function is realized by the simple, ingenious method.

The invention discloses a hot-swappable SD card data recorder based on SPI mode. The CS chip selection signal terminal of the SD card of the SD card data recorder is connected to the pin GPIO P1.4 of the central processing unit; the DI data input terminal Connect the pin GPIO P3.2 of the central processing unit; the DO data output end connects the pin GPIO P3.3 of the central processing unit; the SCLK clock terminal connects the pin GPIO P3.4 of the central processing unit. The invention also discloses a method for hot plugging and unplugging the SD card data recorder based on the SPI mode. The invention realizes the hot plug function of the SD card data recorder through a simple and ingenious method under the SPI mode.

The invention discloses a method and device for achieving hot pug processing. The method comprises the steps that a controller judges that a pluggable module is pulled out of a common connector, and the service related to the pluggable module is stopped. According to the technical scheme, when it is judged that the pluggable module is pulled out of the common connector, the service related to the pluggable module is stopped, for the controller, system anomaly caused due to the fact that the pluggable module is pulled out is avoided, and therefore the hot plug function based on the common connector is achieved.

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.

An embodiment of the invention provides a mobile terminal and a method for starting an OTG function of the mobile terminal. The method comprises the following steps: when the mobile terminal is placed in VR equipment, receiving first data transmitted from the VR equipment; when the first data are matched with preset second data, starting the OTG function of the mobile terminal. The problem that the OTG function of the mobile terminal in the prior art needs to be started normally is solved. The OTG function of the mobile terminal can be started as needed, and therefore, reliability and safety of a USB interface of the mobile terminal are improved.

The invention provides an HDMI conversion chip initialization method and device and a storage medium. The method is applied to a processor, the processor is connected with a first pin of a high-definition multimedia interface (HDMI) through a first interface, and the method comprises the following steps: reading an interrupt state of the first interface, the interrupt state of the first interfacebeing used for indicating a state of the first pin, and the state of the first pin being used for representing a plugging state of the HDMI; and if the state of the first pin represents that the plugging state of the HDMI is a plugging state, calling an interrupt processing function corresponding to the first interface to initialize an HDMI conversion chip. According to the HDMI conversion chip initialization method and apparatus, and the storage medium provided by the invention, the HDMI hot plug function of the electronic device can be realized.