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30results about How to "Get back to work quickly" patented technology

Interface device for SIM card and USIM card

The disclosed interface device for SIM and USIM comprises: a bus interface module, a register module, an interruption-handling module, a clock generation module, a state machine module, a transmit-receive module, a card detection module, and a power supply module. Wherein, there are bus clock signal (pclk), bus chip-selection signal (p_cs), bus address line (paddr), and card power on-off control signal (sc_pwctrl). This invention expands SIM card from 2G times to the 3G times as USIM card, reduces cost and consumption, and prolongs mobilephone standby time.
Owner:SANECHIPS TECH CO LTD

Novel communication-in-motion low-profile planar antenna system

The invention discloses a novel communication-in-motion low-profile planar antenna system comprising an antenna radiation system, a radio-frequency polarization system, a mechanical antenna terminal driving system, a satellite pointing, capturing and tracking system and an indoor unit. The antenna system provided by the invention simultaneously has the abilities of receiving and transmitting horizontal and vertical polarization signals; the dual-band and dual-polarization duplex working mode is realized on two planar antennas; the volume and the weight of the antenna system are greatly reduced while the functions of the antenna system are guaranteed; besides, according to the antenna system, the cost of the low-profile planar antenna system can be reduced effectively, and also the accuracy of the satellite pairing can be guaranteed by combining the radio-frequency polarization system and the mechanical antenna terminal driving system with a motor and electronic scanning; the satellite pointing, capturing and tracking system detects the position of the mobile terminal; and with the accurate control of the mechanical antenna terminal driving system, the accuracy of the satellite pairing and the satellite tracking of the antenna system is greatly improved; and as a result, smooth communication in traveling is kept.
Owner:广东星航通信有限公司 +1

Vehicle headlamp system

According to an example embodiment of the invention, a vehicle headlamp system includes a headlamp having multiple control devices, and an ECU configured to control the control devices respectively. Each of the control devices is configured to control and change a light irradiation condition of the headlamp. The ECU (100) stores vehicle constants, error code information and initialization information corresponding to different types of vehicle respectively, and controls the control devices with a plurality of control mechanisms such as a leveling device (5) and a rotating mechanism (4). When a vehicle type is changed, the ECU selects at least one of the vehicle constants that corresponds to the changed vehicle type, clears the stored error code information and the initialization information after selecting the one or more vehicle constants, stores initialization information that corresponds to the changed vehicle type in accordance with the selected vehicle constant(s), and initializes the control devices in accordance with the stored initialization information. The ECU is configured to recognize dependencies between the control devices and, if the control devices include a first control device that is independent, the ECU executes a normal control by the first control device directly after initializing the first control device.
Owner:KOITO MFG CO LTD

Wireless communication system for multi-information fusion acquisition robot

The invention belongs to the technical field of communication of intelligent equipment, and particularly relates to a wireless communication system for a multi-information fusion acquisition robot. The system comprises a remote control system, a data acquisition instrument, a wireless repeater, a wireless transmitter, a wireless receiver, a data transmission module and an image transmission module. Communication is established between the remote control system and the wireless transmitter through a wireless mesh network link, the data transmission module is used for data transmission of the multi-information fusion acquisition robot, and the image transmission module is used for image transmission of the multi-information fusion acquisition robot; a robot and a ground base station are established, a plurality of sensing devices and consoles are installed on the base station, and a mixed mode self-adaptive frequency hopping communication anti-interference model of explosive environment coupling signals is established. The technical problems that an original system is low in communication efficiency, low in coverage range, free of self-healing capacity and incapable of fusing environment movement interference signals when an interactive multi-network service robot moves in space are solved, the transmission anti-interference capacity of the system is improved, and the remote control distance and the information definition are increased.
Owner:新兴际华集团有限公司 +2

A new type of "communication in motion" low-profile panel antenna system

The invention discloses a novel communication-in-motion low-profile planar antenna system comprising an antenna radiation system, a radio-frequency polarization system, a mechanical antenna terminal driving system, a satellite pointing, capturing and tracking system and an indoor unit. The antenna system provided by the invention simultaneously has the abilities of receiving and transmitting horizontal and vertical polarization signals; the dual-band and dual-polarization duplex working mode is realized on two planar antennas; the volume and the weight of the antenna system are greatly reduced while the functions of the antenna system are guaranteed; besides, according to the antenna system, the cost of the low-profile planar antenna system can be reduced effectively, and also the accuracy of the satellite pairing can be guaranteed by combining the radio-frequency polarization system and the mechanical antenna terminal driving system with a motor and electronic scanning; the satellite pointing, capturing and tracking system detects the position of the mobile terminal; and with the accurate control of the mechanical antenna terminal driving system, the accuracy of the satellite pairing and the satellite tracking of the antenna system is greatly improved; and as a result, smooth communication in traveling is kept.
Owner:广东星航通信有限公司 +1

Station signal emergency interlock system and integrated method thereof

The invention provides a station signal emergency interlocking control system. The system distributes the interlocking logical operation function into a basic interlocking control unit using outdoor equipments such as a signaler, a switch and a track circuit as basic observing and controlling objects by adopting a distributed interlocking mode, so that each basic interlocking control unit processes the interlocking logical operation function related with the corresponding observing and controlling object equipment independently and respectively, and the interlocking function is fixed and single. In addition, the system adopts selectable centralized or distributed power supply mode, the power supply mode is flexible and practical for emergency.
Owner:BEIJING JIAOTONG UNIV

Self-service retail security protection system

The invention discloses a self-service retail security protection system. The self-service retail security protection system comprises a monitoring center, a protection module and a plurality of retail devices. The monitoring center is used for monitoring the working state of the retail machine, including a display unit, an alarm unit and a dispatching unit, and the alarm unit is electrically connected to the display unit. The display unit is electrically connected to the dispatching unit, and the protection module is used for security monitoring of the retail machine, including a physical detecting unit, a shipping detecting unit, a security payment unit, a power detecting unit and a monitoring unit, the physical detecting unit, the shipping detecting unit, and the security payment unit,the power detection unit and the monitoring unit respectively connect the display unit through the network communication, and the retail device is used for storing and selling the commodity, and is connected with the display unit through the network communication, the physical detection unit, the shipping detecting unit, the security payment unit, and the power detection unit and the monitoring unit are electrically connected to the retail device. The self-service retail security protection system realizes comprehensive, real-time and simple security protection of self-service retail.
Owner:合肥市艾特米信息技术有限公司

Traditional Chinese medicine for treating conjunctivitis and preparation method of traditional Chinese medicine

InactiveCN104623045AThere are few types of materialsWide range of medicinesAntibacterial agentsSenses disorderRegimenHouttuynia
The invention provides a traditional Chinese medicine for treating conjunctivitis and a preparation method of the traditional Chinese medicine, relates to the technical field of ophthalmological medicines, and the traditional Chinese medicine can be used for solving the problems that an existing medicine for treating the conjunctivitis is slow in acting, long in treatment course, and inconvenient to take. The traditional Chinese medicine for treating the conjunctivitis is a pill, and is prepared from the following raw materials in parts by weight: 10-20 parts of mother chrysanthemum, 10-20 parts of honeysuckle, 10-20 parts of semen cassia, 10-20 parts of burdock, 10-20 parts of square-stem, 5-15 parts of cordate houttuynia, 10-20 parts of jasmine, 15-30 parts of isatis root and 15-30 parts of honey in manners of drying, grinding, screening and mixing. The traditional Chinese medicine pill provided by the invention is few in raw material, wide in medicine source, scientific and reasonable in compatibility; the medicine effects are in supplement each other; advantages are enhanced and disadvantages are avoided; treatment is organically combined with nursing; the traditional Chinese medicine is fast in acting on treatment of the conjunctivitis, high in cure rate, short in treatment course, mild in medicine property, free of a toxic or side effect, convenient to take, and free of recurrence; and the targets of treating both symptoms and root causes are reached.
Owner:QINGDAO MUNICIPAL HOSPITAL

Integrated accident signal resetting circuit in microcomputer type relay protection circuit

The invention provides an integrated accident signal resetting circuit in a microcomputer type relay protection circuit. The integrated accident signal resetting circuit comprises a five-prevention lock in a breaker control circuit, a control handle, an intermediate relay, a breaker operating circuit, a positive power supply, a negative power supply and a resetting button, wherein the positive power supply is electrically connected with the input end of the control handle through the five-prevention lock; a first opening output end of the control handle, a closing input end of the intermediate relay, and a closing input end of the breaker operating circuit are collinear; both a closing output end and an opening output end of the intermediate relay are connected with the negative power supply; No.1 and No.4 terminals of the resetting button, a second opening output end of the control handle and an opening input end of the intermediate relay are collinear; and No.2 terminal of the resetting button is connected with the positive power supply, and No.3 terminal is connected with an opening input end of the breaker operating circuit. By means of the integrated accident signal resetting circuit, a worker can reset integrated accident signals conveniently and quickly, accidents such as misoperation, misclassification operation and the like are not caused, and a substation can recover normal operation faster.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +2

Ultrahigh-voltage direct-current power transmission circuit insulator detection robot high altitude falling preventing apparatus

The invention relates to an ultrahigh-voltage direct-current power transmission circuit insulator detection robot high altitude falling preventing apparatus. The ultrahigh-voltage direct-current power transmission circuit insulator detection robot high altitude falling preventing apparatus comprises a support capable of allowing a pulling rope to penetrate through in a sliding manner, wherein the support is provided with a rotatable locking pulley capable of sliding along the length direction of the pulling rope, the bottom of the outer wall of the locking pulley can push against and contact the top of the side wall of the pulling rope, and the locking pulley can be cooperated with the support to clamp the pulling rope. The ultrahigh-voltage direct-current power transmission circuit insulator detection robot high altitude falling preventing apparatus overcomes the problems in the prior art that a heavy article falling sliding distance is relatively long, the security is poor and the like, and is simple in structure and mounting way, capable of instantaneously locking the heavy article to be protected as soon as the heavy article to be protected falling, and high in safety.
Owner:CHINA SOUTHERN POWER GRID EHV POWER TRANSMISSION COMPANY WUZHOU BUREAU +1

Self-charging mouse based on permanent magnet vibration

The invention discloses a self-charging mouse based on permanent magnet vibration. The self-charging mouse comprises a permanent magnet vibration charging module, an energy storage module and a control module, wherein the permanent magnet vibration charging module is based on an electromagnetic induction law principle; an acrylic tube is placed in the mouse, and the outer side of the acrylic tubeis wound with 1000 turns of 0.08mm enameled wires to form a basic magnetic path, and then four permanent magnets are placed on the inner side of the acrylic tube, the two sides of the acrylic tube aresealed, and electric energy is generated by utilizing the permanent magnet vibration, so that the mechanical energy generated by mouse moving by a human can be converted into electric energy, and themouse can be charged, and therefore the loss time of the electric energy of the mouse is greatly prolonged; and the working state of the mouse can be quickly recovered within a short time under the condition that the mouse is thoroughly immersed; and the waiting time of a user during use is shortened.
Owner:CHANGCHUN UNIV OF SCI & TECH

Safety barrier

This present invention concerns a safety barrier that includes a boom ( 100 ) carried by a support mounting ( 200 ), associated with a drive system that is suitable for selectively moving the boom ( 100 ) between a horizontal rest position, barring the roadway in a manner that blocks passage, and a temporary position opening up the said roadway to permit the passage of traffic on the roadway when authorised access is detected, the said boom ( 100 ) being able to move in relation to the support mounting ( 200 ) when, in the rest position, it is subjected to an impact that is greater than a given threshold, so that damage is avoided, characterised by the fact that it includes elastic resources ( 222, 224 ) for the automatic return of the boom to its position ( 100 ) on the said support mounting ( 200 ).
Owner:BCA BARRIERES & CONTROLE DACCES

Solar charger control circuit and solar charger

The invention discloses a solar charger control circuit and a solar charger. The solar charger control circuit comprises a MOS driving module, an output module, a current detecting module, a single-chip microcomputer, an output voltage detecting module, a voltage limiting module, a reset module, a solar panel voltage detecting module and a power module. The MOS drive module is electrically connected to the output module, the voltage limiting module and the reset module. The output module is electrically connected to the current detecting module, the output voltage detecting module and the voltage limiting module. The current detecting module, the output voltage detecting module, the voltage limiting module, the reset module, the solar panel voltage detecting module and the power module areelectrically connected to the single-chip microcomputer. The invention can improve the utilization rate of solar energy.
Owner:深圳市辉曜科技有限公司

Registration mechanism-based multi-point temperature measurement control system

The invention discloses a registration mechanism-based multi-point temperature measurement control system. An ARM (Advanced RISC Machine) chip is taken as a processing core, a temperature sensor ID registration mechanism is introduced through communication with an upper computer, and when sensor nodes are replaced and added or deleted, only sensor IDs need to be operated in the upper computer or a registration circuit. The multi-point temperature measurement control system can register or deregister the sensor IDs in the upper computer or the registration circuit according to users' demands to control number of temperature measurement points so as to reasonably utilize resources; and meanwhile, sensors can be timely and quickly replaced in the presence of faults, added or deleted through the registration mechanism without program re-curing, so that great conveniences are provided for practical system maintenance and management.
Owner:GUANGXI NORMAL UNIV

A device for collecting and detecting temperature and humidity inside and outside a granary and its detection method

The invention discloses a temperature and humidity collection and detection device inside and outside a granary and a detection method thereof. The device includes a detection device, a measurement and control cable, a temperature and humidity measurement and control circuit and a processor. The temperature and humidity measurement and control circuit includes read data pins, write data pins, pull-up drive pins, pull-down drive pins, data pins, non-inverting buffer line drive module, current amplification module 1, circuit protection module, and current amplification module two. The non-inverting buffer line drive module is connected to the read data pin and the data pin, the circuit protection module is connected to the write data pin and the data pin, and the current amplification module is connected to the pull-up drive pin and the data pin , the second current amplification module is connected to the pull-down drive pin and the data pin. The input and output ends of the processor are connected with the read data pin, the write data pin, the pull-up drive pin, and the pull-down drive pin. The invention improves communication reliability and load capacity, shortens the average effective time of single-channel measurement and control, and improves the real-time efficiency of measurement and control.
Owner:ANHUI UNIVERSITY

Shutdown device for production line

The invention relates to a shutdown device for a production line. The shutdown device comprises a shutdown plate, a guide piece arranged on the lower surface of the shutdown plate, a push head glidingly abutting against the guide piece, a telescopic unit for driving the push head to move, and a pair of guide rails allowing the shutdown plate and the guide piece to rise and fall; when the shutdown plate is located in the first position, the upper surface of the shutdown plate and the upper surface of the production line are located on the same plane, and the telescopic unit is in the first length; when the shutdown plate is located in the second position, the upper surface of the parking plate is higher than the plane where the upper surface of the production line is located, the telescopic unit is in the second length, and the first length is smaller than the second length. According to the shutdown device, shutdown of the production line is achieved through the structure of the shutdown plate capable of being lifted, that is, when defective goods arrive at the current shutdown plate, the current shutdown plate is controlled to be lifted, the production line shuts down, work of the production line can be rapidly recovered after the defective goods are handled, manpower and time are saved, and production efficiency is improved.
Owner:惠安县图安网络服务中心

Reset circuit of total accident signal in relay protection circuit of microcomputer

The invention provides an integrated accident signal resetting circuit in a microcomputer type relay protection circuit. The integrated accident signal resetting circuit comprises a five-prevention lock in a breaker control circuit, a control handle, an intermediate relay, a breaker operating circuit, a positive power supply, a negative power supply and a resetting button, wherein the positive power supply is electrically connected with the input end of the control handle through the five-prevention lock; a first opening output end of the control handle, a closing input end of the intermediate relay, and a closing input end of the breaker operating circuit are collinear; both a closing output end and an opening output end of the intermediate relay are connected with the negative power supply; No.1 and No.4 terminals of the resetting button, a second opening output end of the control handle and an opening input end of the intermediate relay are collinear; and No.2 terminal of the resetting button is connected with the positive power supply, and No.3 terminal is connected with an opening input end of the breaker operating circuit. By means of the integrated accident signal resetting circuit, a worker can reset integrated accident signals conveniently and quickly, accidents such as misoperation, misclassification operation and the like are not caused, and a substation can recover normal operation faster.
Owner:CHANGZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +2

Vehicle headlamp system

A vehicle headlamp system includes a headlamp (HL) having multiple control devices (4, 5, 7) and an ECU (100). Each of the control devices (4, 5, 7) controls a light irradiation condition of the headlamp (HL). The ECU (100) stores vehicle constants, error code information and initialization information corresponding to different types of vehicle, and controls the control devices (4, 5, 7). When a vehicle type is changed, the ECU (100) selects at least one of the vehicle constants corresponding to the changed vehicle type, clears the stored error code information and the initialization information after selecting the at least one of the vehicle constants, stores initialization information corresponding to the changed vehicle type, and initializes the control devices (4, 5, 7). The ECU (100) recognizes dependencies between the control devices (4, 5, 7) and, if the control devices (4, 5, 7) include a first control device that is independent, executes normal control by the first control device directly after initializing the first control device.
Owner:KOITO MFG CO LTD

Anti-blocking method, device and pumping machine for progressive distributor

The invention discloses an anti-blocking method, a device and a pumping machine for a progressive distributor. The method is applied to a system comprising the progressive distributor and a hydraulic valve; a valve core hole is formed in a valve body of the progressive distributor; a sliding valve core is arranged in the valve core hole; the valve body is provided with plugs at the two ends of the valve core hole; oil ports for communicating the inside with the outside of the progressive distributor are formed on the plugs; pistons are arranged between the oil ports in the valve core hole and the valve core; and the oil ports are connected with the hydraulic valve through an oil circuit. The method comprises the following step that: when the valve core stops moving due to blockage, the hydraulic valve conveys hydraulic oil to the oil port formed on the plug on one side of the valve core so as to push the piston to move and further push the valve core to move. Through the structure, when the valve core of the progressive distributor is blocked, the failure is quickly removed to quickly recover the normal work of the progressive distributor.
Owner:SANY AUTOMOBILE MFG CO LTD

Interface device for SIM card and USIM card

The disclosed interface device for SIM and USIM comprises: a bus interface module, a register module, an interruption-handling module, a clock generation module, a state machine module, a transmit-receive module, a card detection module, and a power supply module. Wherein, there are bus clock signal (pclk), bus chip-selection signal (p_cs), bus address line (paddr), and card power on-off control signal (sc_pwctrl). This invention expands SIM card from 2G times to the 3G times as USIM card, reduces cost and consumption, and prolongs mobilephone standby time.
Owner:SANECHIPS TECH CO LTD

Detection method for searching for electric leakage area of rail transit power supply system

The invention provides a detection method for searching for an electric leakage area of a rail transit power supply system, which includes the following steps: detecting in real time, by a differential current sensing device, a difference current value between each power supply positive bus and its corresponding negative bus in a power supply area, wherein the current sensing device includes a Hall sensor; when an electric leakage occurs, obtaining the difference current polarity distribution of each power supply area according to the difference current values; and determining each area, whereall the difference current polarities are the same, among all the power supply areas as an electric leakage area. The method of the invention can accurately and quickly detect the difference current,thereby accurately locating the electric leakage area and facilitating the search and repair.
Owner:XIANGTAN HENGCHUANG ELECTRONICS DEVICES

Universal prosthetic nail ring which can be fast worn and removed and is adjustable in tension for plucking musical instruments

The invention relates to a universal prosthetic nail ring which can be fast worn and removed and is adjustable in tension for plucking musical instruments. The nail-benefiting ring comprises a mounting base, an adjusting rotary knob, a base pad and a binding band. A mounting part is recessed at one end of the mounting base, an elastic ratchet wheel ring is arranged on the inner side wall of the mounting part, mounting racks are arranged on the bottom wall of the mounting part, a binding band mounting slot runs inwards through the outer side of the mounting base and is located directly above the mounting racks, and the outer side of the adjusting rotary knob is provided with elastic ratchets meshed with the elastic ratchet wheel ring; a coaxial gear is disposed at one end of the adjusting rotary knob in a protrusive mode, the adjusting rotary knob is rotatably disposed in the mounting part, the base pad is disposed at the end, away from the rotary knob, of the mounting base, the two ends of the binding band are provided with first racks and second racks respectively, and the middle portion of the binding band is bent; the first and second racks are intersected in position, the firstracks are located on the outer sides of the second racks and meshed with the coaxial gear and penetrate through the binding band mounting slot, and the second racks penetrate through the binding bandmounting slot and are meshed with the mounting racks. The prosthetic nail ring is adjustable in tension and high in adaptability and can be fast worn and removed.
Owner:尹洪波

Guitar and bass artificial fingernail with adjustable tension and rapid take-off and wearing

The present invention relates to a guitar and bass artificial fingernail with adjustable tension and rapid take-off and wearing. The artificial fingernail comprises a mounting base, an adjusting knob,a base wad, a binding belt and a fingernail piece, the mounting base is provided with a mounting portion, the mounting portion is internally provided with an elastic ratchet wheel ring, the bottom wall of the mounting portion is provided with a mounting rack, a binding belt mounting groove and a fingernail piece mounting groove penetrate the mounting base, the fingernail piece mounting groove isinternally provided with a fingernail piece location rack, the outer portion of the adjusting knob is provided with an elastic ratchet engaged with the elastic ratchet wheel ring, an in-line gear is protruded at one end of the adjusting knob, the adjusting knob is rotationally arranged in the mounting portion, the base wad is arranged at the bottom end of the mounting base, two ends of the bindingbelt are respectively provided with a first rack and a second rack of which have intersected positions, the first rack penetrates the binding belt mounting groove and engaged with the in-line gear, the second rack penetrates the binding belt mounting groove and is engaged with the mounting rack, the fingernail piece comprises a fingernail piece fixing portion and a real fingernail location portion, one side of the fingernail piece fixing portion is provided with a rack, the fingernail piece rack is engaged with the fingernail piece location rack, and the real fingernail location portion is inan arc shape. The guitar and bass artificial fingernail is adjustable in tension and can perform rapid taking-off and wearing.
Owner:尹洪波

Detection method and device based on AR technology

The invention relates to a detection method and device based on an AR technology. The method comprises the following steps: sending a voice prompt when a detection request is received; when the nameplate image is acquired, carrying out character recognition on the nameplate image, and obtaining an equipment label; searching a corresponding equipment model according to the equipment label, searching a corresponding troubleshooting instruction in a preset instruction database according to the equipment model, wherein the troubleshooting instruction at least comprises a first troubleshooting instruction, a second troubleshooting instruction and a third troubleshooting instruction, and displaying the first troubleshooting instruction; searching and displaying a corresponding fault confirmation template in a fault database according to the first fault checking instruction, and sending a voice request; and receiving a fault information numerical value input by the user through the fault confirmation template, comparing the fault information numerical value with the equipment standard value, if the fault information numerical value is consistent with the equipment standard value, displaying a second troubleshooting instruction, otherwise, searching and displaying a corresponding maintenance instruction in the instruction database according to the first troubleshooting instruction.
Owner:蒂姆维澳(上海)网络技术有限公司

A progressive distributor anti-blocking method, device and pumping machinery

The invention discloses an anti-blocking method, a device and a pumping machine for a progressive distributor. The method is applied to a system comprising the progressive distributor and a hydraulic valve; a valve core hole is formed in a valve body of the progressive distributor; a sliding valve core is arranged in the valve core hole; the valve body is provided with plugs at the two ends of the valve core hole; oil ports for communicating the inside with the outside of the progressive distributor are formed on the plugs; pistons are arranged between the oil ports in the valve core hole and the valve core; and the oil ports are connected with the hydraulic valve through an oil circuit. The method comprises the following step that: when the valve core stops moving due to blockage, the hydraulic valve conveys hydraulic oil to the oil port formed on the plug on one side of the valve core so as to push the piston to move and further push the valve core to move. Through the structure, when the valve core of the progressive distributor is blocked, the failure is quickly removed to quickly recover the normal work of the progressive distributor.
Owner:SANY AUTOMOBILE MFG CO LTD

An auxiliary power supply circuit

This application provides an auxiliary power supply circuit, which is applied to a grid-connected power generation system. The grid-connected power generation system includes at least two power generation subsystems, a grid-connected inverter, and the grid-connected inverter and each power generation subsystem. one-to-one correspondence and provide the auxiliary power supply for working electricity for the grid-connected inverter and the power generation subsystem; wherein, the output end of each power generation subsystem is respectively connected to the DC bus of the system through an anti-reverse diode; each auxiliary power supply The input terminals are all connected to the system DC bus, and the auxiliary power supply and the DC bus form the auxiliary power supply circuit for the grid-connected power generation system. The present invention changes the traditional method of obtaining auxiliary power from the output ends of each power generation subsystem or directly obtains the auxiliary power of grid-connected inverters from the grid, and adopts the method of uniformly obtaining power from the DC bus for the auxiliary power to ensure that each power generation The system and the grid-connected inverter are in working or standby state, which improves the response speed of the system and the reliability of power supply.
Owner:HEFEI WIN POWER

Station signal emergency interlock system and integrated method thereof

The invention provides a station signal emergency interlocking control system. The system distributes the interlocking logical operation function into a basic interlocking control unit using outdoor equipments such as a signaler, a switch and a track circuit as basic observing and controlling objects by adopting a distributed interlocking mode, so that each basic interlocking control unit processes the interlocking logical operation function related with the corresponding observing and controlling object equipment independently and respectively, and the interlocking function is fixed and single. In addition, the system adopts selectable centralized or distributed power supply mode, the power supply mode is flexible and practical for emergency.
Owner:BEIJING JIAOTONG UNIV

Method for selecting service main node of power grid monitoring system based on real-time state perception

The invention relates to a power grid monitoring system business main node selection method and device based on real-time state perception, computer equipment and a storage medium. The method comprises the steps: when it is detected that the running state of a current master node is abnormal, sending a pushing instruction to each slave node connected with the current master node; obtaining at least one type of operation identification information returned by each slave node in response to the selection instruction, wherein various types of operation identification information have a priority order; on the basis of the priority sequence, screening out extreme value information from the operation identification information corresponding to each slave node, and selecting the slave node corresponding to the extreme value information as a new master node. By adopting the method, a new main node can be quickly selected, and the work can be quickly recovered.
Owner:GUANGDONG POWER GRID CO LTD +1

A large-scale infection control data storage and processing method

A large-scale infection control data storage processing method includes the following steps that 1 a client A submits original data 1 to a storage server, a data storage unit conducts processing of filtering, error detection and formatting on the original data 1 to obtain a data structure 2, and the data structure 2 is stored in a cluster device by the data server according to a set storage optimization strategy; 2 a client B submits a data withdrawing request 3 to the storage server, a data withdrawing unit analyzes and decomposes a minimum-particle-size inquire statement 4 of the data withdrawing request 3 and distributes the minimum-particle-size inquire statement 4 to a corresponding cluster; 3 a cluster storage node responds to the minimum-particle-size inquire statement 4, a cluster main node combines inquiry data as a data set 5, and after the data set 5 is processed by the data withdrawing unit to be a data flow 6, the data flow 6 is sent to the client B; 4 a capacity monitoring unit monitors system capacity changes and evaluates a cluster storage condition; and 5 a backup recovery unit finishes data backup and data disaster tolerance work automatically.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
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