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56results about How to "Realize automatic isolation" patented technology
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Dynamically-reconfigurable battery energy storage system and method
InactiveCN107171387AImprove the ability to use informationIncrease usable capacityCharge equalisation circuitElectric powerElectrical batteryInterface circuits
The invention relates to a dynamically-reconfigurable battery energy storage system and method. The system comprises an energy storage system main circuit and a battery management system. The energy storage system main circuit has a charging and discharging interface circuit and an energy storage battery pack connected with the charging and discharging interface circuit. The energy storage battery pack is formed by connecting a plurality of single batteries in parallel. Each single battery is provided with a controllable switch Sn(n=1, 2,..., n) at the two ends thereof. In the energy storage battery pack formed by connecting the plurality of single batteries in parallel, the positive electrode end of each single battery is connected with the positive electrode end of an adjacent single battery through a controllable switch S'n (n = 1, 2,..., n), and the negative electrode end of each single battery is connected with the negative electrode end of the adjacent single battery through a controllable switch S "n (n = 1, 2,..., n). The battery management system is connected with the energy storage system main circuit, and is used for generating an energy storage battery pack reconfiguration decision according to electrical information of the single batteries and a power switching instruction, and controlling connection or disconnection of the controllable switch Sn, the controllable switch S'n and the controllable switch S"n to change topology of the energy storage battery pack.
Owner:STATE GRID SHANDONG ELECTRIC POWER +1
Method, device and system for communication dispatching based on Tuxedo middleware
ActiveCN104090824AImprove availabilityImprove reliabilityResource allocationHigh availabilityMiddleware
The embodiment of the invention discloses a method, device and system for communication dispatching based on Tuxedo middleware. The method comprises the following steps: according to the Tuxedo domain configuration of a production main engine, periodically detecting an operating state of the production main engine, and recording a detection result in a detection log; periodically polling the detection log, and according to the detection result in the detection log, judging whether the production main engine is abnormal or not; if yes, isolating the abnormal production main engine, and starting the Tuxedo domain configuration of an emergency main engine to enable the emergency main engine to take over the abnormal production main engine to deal with professional work. The method, the device and the system, provided by the embodiment of the invention, are used, so that the automatic isolating of the abnormal production main engine and the automatic taking over of the emergency main engine are realized, and the high availability and the high reliability of the Tuxedo middleware and the application system based on the Tuxedo middleware are ensured.
Owner:CHINA CONSTRUCTION BANK
10kv pole-mounted vacuum load switch
InactiveCN104051180AFully automatedFast power restorationHigh-tension/heavy-dress switchesAir-break switchesPhase currentsThree-phase
The invention discloses a 10kV pole-mounted vacuum load switch which comprises a box body, a box cover, a three-phase current major loop, an insulating shaft I, an insulating shaft II and an operating mechanism. The three-phase current major loop, the insulating shaft I, the insulating shaft II and the operating mechanism are installed in the box body. Each phase current loop of the three-phase current major loop is mainly composed of a ceramic bushing cable I, a vacuum arc-extinguishing chamber and a ceramic bushing cable II. One end of the vacuum arc-extinguishing chamber is connected with the ceramic bushing cable I, and a spring mechanism is arranged at the other end of the vacuum arc-extinguishing chamber. One end of the spring mechanism is connected with the insulating shaft I, and the other end of the spring mechanism is connected with a moving contact knife fixedly installed on the ceramic bushing cable II through a conductive connecting rod. A static contact knife is arranged on the ceramic bushing cable II and movably connected with the moving contact knife. The insulating shaft I and the insulating shaft II are respectively connected with an operating mechanism. Current instrument transformers are further arranged on the outer surfaces of the ceramic bushing cable I and the ceramic bushing cable II of each phase current. The 10kV pole-mounted vacuum load switch is simple in structure, reasonable in design, stable in running, safe and reliable.
Owner:LIUZHOU HAIGE ELECTRICAL
Intracavity dilator
An intracavity dilator is characterized by mainly comprising a metal mesh (1) with a polymer coating and a support structure (2); the metal mesh (1) can be optionally deformed to a required shape sustainable, by folding or bending, and can be restored to the original shape; one end of the support structure (2) is connected with the metal mesh (1); the other end of the support structure (2) is fixed to a hook plate of a surgical retractor, a main frame of the surgical retractor or an operating bed; the support structure (2) is capable of supporting the metal mesh (1) to resist a thrust which displaces the metal mesh and which is produced by isolating tissues. The intracavity dilator is simple in structure, low in cost and convenient to manufacture and use and is capable of protecting soft tissues and organs and providing a good view during surgery.
Owner:钱建民
High-safety and anti-loosening electric power supply device
ActiveCN106848663ARealize automatic isolationAvoid Electric Shock AccidentsEngagement/disengagement of coupling partsCoupling contact membersOblique angleElectric shock
The invention discloses a high-safety and anti-loosening electric power supply device. The device comprises a socket part, a connecting part and a plug part; an inner spiral thread cavity is formed in the portion, close to the left side, of the interior of the socket part, sliding grooves are correspondingly formed in the portions, close to the right side, of the upper inner wall and the lower inner wall of the inner spiral thread cavity, the sides, deviated from the inner spiral thread cavity, of the sliding grooves are each provided with an oblique-angle groove, a sliding guiding rod is arranged in each sliding groove, a sliding block is slidably connected to each sliding guiding rod in a matched mode and slidably matched with the corresponding sliding groove, a first tension spring is wound on the portion, on the right side of the corresponding sliding block, of the outer side of each sliding guiding rod, the sides, close to the inner spiral thread cavity, of the sliding blocks stretch into the inner spiral thread cavity, a first through groove is formed in each sliding block in a vertically penetrating mode, a first containing groove is formed in the center inside each first through groove, first convex blocks are slidably arranged in the first containing grooves, and partition plates are slidably connected in the first through grooves. The device is simple in structure and high in power supply connection stability and has the anti-loosening and anti-electric shock functions, and the safety is improved.
Owner:JIANGSU XIYI HIGH NEW DISTRICT TECH DEV CO LTD
CORS-based sub-meter integrated positioning navigation system and navigation method
InactiveCN106093992ARealize automatic isolationHigh positioning accuracyNavigation by speed/acceleration measurementsSatellite radio beaconingNavigation systemCorrection number
The invention discloses a CORS-based sub-meter integrated positioning navigation system and a corresponding navigation method. By acquiring the correction number of a CORS base station server and based on an RTD algorithm, the positioning accuracy of satellites is improved, and a high-accuracy sub-meter positioning result can be output. Moreover, as an INS technology is not dependent on the signal strength and is undisturbed, continuous high-accuracy and high-stability position information can be provided for users.
Owner:NANJING LES INFORMATION TECH
Automatically isolated security injection tank
ActiveCN108766597AAvoid safety note failureImprove securityNuclear energy generationCooling arrangementCooling fluidNozzle
The invention belongs to the technical field of nuclear security equipment and control and relates to an automatically isolated security injection tank which comprises a security injection tank, an outlet nozzle, a floating ball, an isolation plug and a guide rod, wherein the outlet nozzle is arranged below the security injection tank, is connected with the security injection tank and is used forejecting a coolant in the security injection tank; the guide rod is vertically arranged inside the security injection tank, is connected with the outlet nozzle and is used for guiding the floating ball and the isolation plug to move up and down; the floating ball floats on the liquid level of the coolant in the security injection tank and can be moved up and down along with increase / decrease of the liquid level of the coolant in the security injection tank; the isolation plug is suspended below the floating ball and can be dropped into the outlet nozzle to plug a coolant outlet of the securityinjection tank when the security injection tank is emptied or is approximately emptied. By adopting the automatically isolated security injection tank provided by the invention, automatic isolation of the security injection tank can be achieved according to demands before the security injection tank is emptied, and the consequence that security injection functions are failed because of mal-operation can be avoided.
Owner:CHINA NUCLEAR POWER ENG CO LTD
Bridge maintenance equipment
InactiveCN107171101ARealize automatic power-in workAvoid Electric Shock AccidentsLive contact access preventionEdge surfaceAutomatic control
The invention discloses a bridge maintenance device, which comprises a power feed frame and a power feed column composed of an attachment part and a power feed end. There is an ejecting chute inside, inside the ejecting chute there is a first screw rod extended left and right, the left end of the first screw is connected with the first power unit, and the right end of the first screw is connected with the right inner The ends are rotated and connected, and the first screw rod is provided with a joint ejector block for joint connection. On the right end surface of the joint ejector block below the first screw rod, there is an ejector rod extended to the right, and the tail on the right side of the ejector rod There is a beveled surface at the edge, a first sliding chamber is provided in the end of the power inlet, and the bottom of the first sliding chamber is provided with a bottom groove; the structure of the invention is simple, and it can realize automatic power feeding, and It can automatically control the exposure and concealment of the power-in connection, which improves work efficiency and safety.
Owner:宁波育闪科技有限公司
High-voltage direct-current power supply system
ActiveCN103490492AImprove power supply efficiencyReduce investmentBatteries circuit arrangementsElectric powerElectricityData center
The invention provides a novel off-line type high-voltage direct-current power supply system structure used in a data center. The novel system structure is characterized in that electric direct supply and a high-voltage direct-current complete-off-line mode are used in novel structure IT equipment, efficiency is higher than that of a traditional high-voltage direct-current on-line mode; a standby rectifier cubice is added to a load direct-current bus and is shared by subsystems, system reliability is greatly improved with low investment; using of a rectifier module is lowered through the off-line mode, system efficiency is improved, investment cost is lowered; a storage battery pack is connected with a load through a diode, the advantages of natural follow current and biasing reversal cut-off of the diode are used, manual switch control is of no need, and automatic separation of a power supply set and the standby rectifier cubice can be achieved. In general, the novel power supply structure has the advantages of being practical, high in reliability, efficient and low in investment.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD
Hand drying device
ActiveCN106580175ARealize automatic isolationAvoid Electric Shock AccidentsDomestic applicationsElectric shockFlange
The invention discloses a hand drying device. The device comprises a base, a spinning part and an assembly part, wherein an inner spiral grained empty groove is formed inside the base close to the left side, and sliding grooves are correspondingly formed in upper and lower inner walls of the inner spiral grained empty groove, close to the right side; a beveling groove is formed in one side, away from the inner spiral grained empty groove, of each sliding groove; a sliding rod is arranged in each sliding groove and is connected with a sliding block in a sliding fit manner, each sliding block and the corresponding sliding groove are in sliding fit, a first elastic part is wound outside each sliding rod on the right side of the corresponding sliding block, one side, close to the inner spiral grained empty groove, of the sliding block runs into the inner spiral grained empty groove; a first hole slot is formed in each sliding block in a penetrating manner, and a first square groove is formed in the middle end inside each first hole slot; and a first flange part is arranged in each first square groove in a sliding manner, and a stop dog is connected in each first hole slot in a sliding manner. The hand drying device has the advantages of simple structure, convenience in assembly and high stability, has an electric shock protection function, and can be used for improving the safety during maintenance.
Owner:连云港市赣榆区综合检验检测中心
Direct-current voltage transformation subunit and direct-current transformer comprising direct-current voltage transformation subunit
PendingCN111092544AVoltage balanceLow costApparatus with intermediate ac conversionElectric variable regulationPower flowDc transformers
The invention provides a DC voltage transformation subunit and a DC transformer comprising the DC voltage transformation subunit. The DC voltage transformation subunit comprises a fault isolation voltage equalization module and a DC / DC converter, wherein a high-voltage side of the fault isolation voltage equalization module is connected with a high-voltage direct-current bus, a low-voltage side ofthe DC / DC converter is connected with a low-voltage DC bus, the mass and the occupied area are small, cost is low, a DC transformer of the DC voltage transformation subunit comprises a plurality of DC voltage transformation subunits. The DC voltage transformation subunit is advantaged in that high-voltage sides of a plurality of DC voltage transformation subunits are connected in series, withstand voltage class requirements are met, low-voltage sides of the multiple DC voltage transformation subunits are connected in parallel, the high-power requirement is met, the number of layers of the DCvoltage transformation subunits is greatly reduced, the occupied area is reduced, cost is saved, different application scenes of one-way power flowing and two-way power flowing can be met, and automatic isolation and crossing of faults on the high-voltage side can be achieved.
Owner:CHINA EPRI ELECTRIC POWER ENG CO LTD +1
Safe indication plate device
The invention discloses a safe indication plate device which comprises a base, a connecting rod piece and an indication plate part, wherein an internal thread groove is formed in the left side of the base; sliding grooves are symmetrically formed in the upper inner wall and the lower inner wall of the right side of the internal thread groove; an inclined hole is arranged on one side of each of the sliding grooves, which is far away from the internal thread groove; a guide rod is arranged in each of the sliding grooves; a sliding block is connected onto each of the guide rods in a sliding and matching manner; the sliding blocks are matched with the sliding grooves in a sliding manner; a first compression spring is arranged on the outer side of the guide rod on the right side of each of the sliding blocks in an encircling manner; one side of each of the sliding blocks, which is near the internal thread groove, penetrates into the internal thread groove; a first penetrating hole is formed in each of the sliding blocks from top to bottom in a penetrating manner; a first placement groove is formed in the center in each of the first penetrating holes; a first pressing block is arranged in each of the first placement grooves in a sliding manner; and a spacing block is connected in each of the first penetrating holes in a sliding manner. The safe indication plate device is simple in structure, convenient in assembly and high in stability and has an anti-electric shock function, and the safety is improved.
Owner:徐州加贝力建材科技有限公司
Intelligent fuse
InactiveCN105047501AImprove intelligenceReduce external distractionsEmergency protective devicesCommunication unitThree-phase
The invention discloses an intelligent fuse. The intelligent fuse comprises a shell, lower three-phase line terminals, upper three-phase line terminals, a power switch, a display screen, an alarm light, a relay alarm speaker, and a control module, the lower three-phase line terminals are arranged at the lower part of the shell, the upper three-phase line terminals are arranged at the upper part of the shell, the power switch, the display screen, and the alarm light are arranged on the front surface of the shell, the power switch is arranged on the middle position of the shell, the relay alarm speaker is arranged at the right side of the shell, a control unit is fixedly arranged in the shell, and the lower three-phase line terminals of the fuse are connected with the intelligent control module. According to the intelligent fuse, the structure is simple, the usage is convenient, the intervention with a communication unit is prevented, the fuse and a power supply can be automatically separated, and the intelligent fuse can be widely applicable to various fusing circuits.
Owner:ANHUI ELECTRIC POWER FUYANG POWER SUPPLY
Termination box suitable for in-situ reformation of ring main unit
InactiveCN106786018ATake advantage ofImprove securitySwitchgear arrangementsCircuit arrangementsGeneral Packet Radio ServiceTransceiver
The invention discloses a termination box suitable for the in-situ reformation of a ring main unit. The termination box comprises the ring main unit and a side cabinet, wherein the side cabinet consists of three parts of a terminal strip chamber, a DTU (Date Transfer Unit) chamber and an optical transceiver chamber; a terminal strip is arranged in the terminal strip chamber; the terminal strip comprises a wiring terminal base plate; a circular arc type connecting copper bar is arranged in the wiring terminal base plate; the circular arc type connecting copper bar is provided with multiple rectilinear sections and multiple circular-arc sections; the radian of each circular-arc section is 90 degrees; the rectilinear sections of the circular arc type connecting copper bar are provided with bolt type wiring posts; the bolt type wiring posts and the circular arc type connecting copper bar are all coated with conducting polyaniline material; a wireless communication module comprises a CPU (Central Processing Unit) control module, a communication power supply module, a wifi (Wireless Fidelity) communication module and a GPRS (General Packet Radio Service) communication module; the wifi communication module is connected with a cloud-side server through the GPRS communication module or multiple wifi hot spots, and periodically updates a wifi account password list from the cloud-side server. By using the termination box, the in-situ reformation can be carried out on an old ring main unit; a limited space is sufficiently utilized; the fit extent of a contact surface is effectively improved; the contact resistance is decreased; the occurrence of electric arcs is decreased; the signal loss is reduced; the safety and the signal stability of a power distribution device are improved; the transmission timeliness of data is guaranteed.
Owner:LINQU POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +2
Battery management system based on wireless multi-agent
PendingCN112428875AExtend battery lifeImprove communication distanceTransmission systemsElectrical testingLithium electrodeBattery management systems
The invention relates to a battery management system based on a wireless multi-agent, and belongs to the field of lithium ion battery management systems. The system comprises a middle computer, a sub-battery manager and a battery pack, the middle computer comprises a display module, a first wireless communication module and a database; the middle computer issues a corresponding control instructionaccording to the information fed back by the sub-battery managers; the sub-battery manager comprises an MCU, a collector, a second wireless communication module, a control unit and a Flash memory; the battery pack is formed by sequentially connecting single batteries in series. The problems that in an existing battery management system, temperature measurement is inaccurate, automatic protectioncannot be achieved, unhealthy single batteries cannot be recognized and positioned, the unhealthy batteries cannot be effectively isolated, adaptability is poor, wiring is complex, and circuits are aged are solved. Effective, perfect and reliable protection of the lithium ion battery is realized, the maintainability of the battery pack is improved, the safety of the battery pack is ensured, the service life of the battery is prolonged, and the use cost in the battery life cycle is reduced.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Physical hard disk management method and device under distributed storage system
ActiveCN111857577AReduce the impactRealize automatic isolationInput/output to record carriersRedundant operation error correctionComputer hardwareStorage management
The invention discloses a physical hard disk management method under a distributed storage system. An OSD is created through a distributed storage management platform, and positioning information suchas OSD ID and OSD cluster identification of OSD equipment in a distributed storage system and logic information of a logic volume group and a physical volume group of an LVM are written into a physical hard disk through logs of the LVM; the method further comprises the following steps: monitoring a UDEV event of hardware equipment in a kernel; obtaining a disk pulling event or a disk inserting event; obtaining an ESN, a hard disk WWN and a hard disk drive character for pulling out or inserting the physical hard disk; and finding the OSD ID and the OSD cluster identifier of the OSD equipment in the corresponding distributed storage system, and then modifying the operation state of the OSD equipment in the distributed storage cluster through the OSD ID and the OSD cluster identifier of theOSD equipment. According to the invention, the state update of the OSD equipment of the distributed storage system can be triggered in real time by utilizing the monitoring of the kernel UDEV event ofLinux, and the automatic isolation and recovery of the faulted hard disk are realized. The invention further provides a corresponding physical hard disk management device under the distributed storage system.
Owner:FENGHUO COMM SCI & TECH CO LTD
Stable sign board device
ActiveCN107104312ARealize automatic isolationAvoid Electric Shock AccidentsCouplings bases/casesIlluminated signsElectric shockComputer engineering
The invention discloses a stable sign board device which comprises a base, a combining rod and a sign board part. The left side of the base is internally provided with an inner spiral pattern trough. The upper inner wall and the lower inner wall at the right side of the inner spiral pattern trough are symmetrically provided with sliding troughs. One side, which is far from the inner spiral pattern trough, of the sliding trough is provided with an oblique hole. Each sliding trough is internally provided with a guiding rod. The guiding rod is connected with a sliding block in a slidable matching manner. The sliding block slidably matches the sliding trough. A first tension spring surrounds the guiding rod at the right side of the sliding block. One side, which is next to the inner spiral pattern trough, of the sliding block penetrates through the inner spiral pattern trough. A first through hole vertically penetrates through the sliding block. The first through hole is internally provided with a first accommodating trough at the central part. A first pressing block is slidably arranged in the first accommodating trough. A block is slidably connected in the first through hole. The stable sign board device has advantages of simple structure, high convenience in mounting, high stability, effective electric shock preventing function and effective safety improvement.
Owner:盐城市双新建设投资有限公司
Railway power line fault automatic isolation system and method
ActiveCN101951021ARealize automatic isolationIncrease job securityEmergency protective circuit arrangementsFault locationControl layerEngineering
The invention provides railway power line fault automatic isolation system and method. The system comprises substation control layer equipment, a plurality of line interval layer equipments arranged along a power line and a plurality of normally-closed switches arranged on the power line corresponding to the plurality of line interval layer equipments one to one, wherein the plurality of line interval layer equipments divide the power line into a plurality of sections; the substation control layer equipment is used for obtaining information relative to a fault position and transferring isolation indication signals to the line interval layer equipment at the endpoint of a section containing the fault position according to the information of the fault position; the line interval layer equipments are used for receiving the isolation indication signals from the substation control layer equipment and responding the received isolation indication signals to control the switches correspondingto the line interval layer equipments to open. The railway power line fault automatic isolation system and method have the advantages of automatically and rapidly isolating the fault section, saving the manpower and material resources and being beneficial to rapidly recovering the power.
Owner:CHINA SHENHUA ENERGY CO LTD +1
Intelligent communication type battery charge and discharge optimization control system and method
InactiveCN104009525AImprove securityImprove stabilityBatteries circuit arrangementsElectric powerElectricityBattery charge
The invention provides an intelligent communication type battery charge and discharge optimization control system. The system is composed of battery control panels and at least one battery unit control module set connected with the battery control panels, wherein the battery unit control module set is composed of a plurality of battery unit control modules which are electrically connected with the battery control panels in parallel. Each battery control panel comprises a signal processing module a, a signal processing module b, a voltage adjusting circuit module, a communication module, a power bus and a data bus which are all connected with the corresponding control module. The method for implementing the system includes the steps that when the current input voltage is larger than a preset norminal voltage, the multiple battery control panels are connected with the power buses in parallel so that charging can be performed; otherwise, the multiple battery unit control modules are connected with the power buses in series, and the multiple battery unit control modules are controlled to perform discharging. Due to the intelligent communication type battery charge and discharge optimization control system, safety and stability of battery packs can be improved, the charging speed of the battery packs is increased, and the service life of the battery packs is prolonged as a whole.
Owner:徐宪华
A hand dryer device
ActiveCN106580175BRealize automatic isolationAvoid Electric Shock AccidentsDomestic applicationsEngineeringElectric shock
The invention discloses a hand drying device. The device comprises a base, a spinning part and an assembly part, wherein an inner spiral grained empty groove is formed inside the base close to the left side, and sliding grooves are correspondingly formed in upper and lower inner walls of the inner spiral grained empty groove, close to the right side; a beveling groove is formed in one side, away from the inner spiral grained empty groove, of each sliding groove; a sliding rod is arranged in each sliding groove and is connected with a sliding block in a sliding fit manner, each sliding block and the corresponding sliding groove are in sliding fit, a first elastic part is wound outside each sliding rod on the right side of the corresponding sliding block, one side, close to the inner spiral grained empty groove, of the sliding block runs into the inner spiral grained empty groove; a first hole slot is formed in each sliding block in a penetrating manner, and a first square groove is formed in the middle end inside each first hole slot; and a first flange part is arranged in each first square groove in a sliding manner, and a stop dog is connected in each first hole slot in a sliding manner. The hand drying device has the advantages of simple structure, convenience in assembly and high stability, has an electric shock protection function, and can be used for improving the safety during maintenance.
Owner:连云港市赣榆区综合检验检测中心
Intelligent communication battery charge and discharge optimization control system
InactiveCN104009525BImprove securityImprove stabilityBatteries circuit arrangementsElectric powerElectricityBattery charge
Owner:徐宪华
Convenient concrete stirring device
ActiveCN107433680AAvoid Electric Shock AccidentsRealize automatic isolationCoupling device detailsCement mixing apparatusAutomatic controlEngineering
The invention discloses a convenient concrete stirring device. The concrete stirring device comprises a stirring machine frame and a power transmission device, wherein the stirring machine frame comprises a stirring cylinder and a plurality of sets of supporting legs, and a driving device is arranged at the position, located at the lower part of the stirring cylinder, between each set of the supporting legs; and the power transmission device comprises a power transmission table which is composed of a plug-in end and a mounting base and a power transmission arm, the plug-in end is fixedly arranged at the upper part of the left side of the mounting base, a sliding groove is formed in the end surface of the bottom of the plug-in end, a first screw connecting rod extending leftwards and rightwards is arranged in the sliding groove, the left end of the first screw connecting rod is connected with a first motor, the right end of the first screw connecting rod is connected with the inner end of the right side of the sliding groove in a turning fit mode, and the first screw connecting rod is provided with a clamping sliding block which is connected with the first screw connecting rod in a matched mode. According to the concrete stirring device, the structure is simple, automatic power transmission connection can be realized, the exposure and the hiding of a power transmission plugging piece can be automatically controlled, and the working efficiency and the safety are improved.
Owner:上海群宝建材有限公司
Damage isolation and residual working system acquisition methods of ship steam power piping system
ActiveCN105205204ARapid isolationPrevent leakageSpecial data processing applicationsEngineeringX-machine
The invention discloses damage isolation and residual working system acquisition methods of a ship steam power piping system. The damage isolation method comprises the following steps: establishing a function logic model of the ship steam power piping system through a mutual coupling manner of a function tree and a double-layer directed graph; and according to a damage condition of a valve of the ship steam power piping system, isolating the damaged valve through a connection relation of an operation stack and a dynamically modified vertex. The residual working system acquisition method comprises the following steps: on the basis of the damage isolation method, establishing a steam supply path search algorithm through a multi-way tree extension and traversing manner, and acquiring a working system so as to predicate the quantity of available main steam turbines and the quantity of boilers with a steam supply capability, namely an X-furnace and X-machine working system. By virtue of adopting the damage isolation and residual working system acquisition methods, the automatic isolation of a damaged region and the automatic acquisition of a residual working capability are realized; the automatic level of the battle damage evaluation of a steam power system is improved; the residual working capability of the power system is easy to grasp, and the speed and accuracy of a damage evaluation state are improved.
Owner:NAVAL UNIV OF ENG PLA
A kind of environmental protection dust removal equipment
ActiveCN106921104BAvoid Electric Shock AccidentsRealize automatic isolationIncorrect coupling preventionCoupling device engaging/disengagingAutomatic controlEngineering
Owner:阿尔法(江苏)重工科技有限公司
Anti-loosening electric-power power supplying device
InactiveCN107565242ARealize automatic isolationAvoid Electric Shock AccidentsEngagement/disengagement of coupling partsCoupling contact membersElectric shockElectric power
The invention discloses an anti-loosening electric-power power supplying device. The power supplying device comprises a socket part, a connection piece and a plug part. An inner spiral cavity is arranged in the interior near the left side of the socket part. Sliding grooves are correspondingly arranged in upper and lower inner walls near the right side of the inner spiral cavity. An inclined anglegroove is arranged in one side, away from the inner spiral cavity, of each sliding groove. A guidance sliding rod is arranged in each sliding groove. Sliding blocks are slidably connected to the guidance sliding rods and are in sliding cooperation with the sliding grooves. A first pull spring is wound on the outer side of a guidance sliding rod on the right side of each sliding block. One side near the inner spiral cavity of each sliding block stretches into the inner spiral cavity. A first through groove vertically penetrates through the interior of each sliding block. A first placing grooveis arranged in the center of the interior of each through groove. A first protrusion block is slidingly arranged in each placing groove. A separation plate is slidably connected to the interior of each first through groove. According to the invention, the power supplying device is simple in structure and high in power supplying connection stability, and has the anti-loosening and anti-electric shock functions, so safety is improved.
Owner:马斌
Waste heat removal system and method and nuclear power system
PendingCN113643831AReduce trafficStay safePump testingPositive displacement pump componentsIsolation valveProcess engineering
The invention provides a waste heat removal system and method and a nuclear power system. The waste heat removal system is characterized in that a main pipe is connected between a hot section and a cold section of a reactor coolant system, a small-flow pipe is connected between two communicating ports of the main pipe, a self-operated pressure difference regulating valve is arranged on the small-flow pipe, a before-pump pressure tapping pipe is arranged between the front section of a main pipe pump and the regulating valve, an after-pump pressure tapping pipe is arranged between the rear section of the main pipe pump and the regulating valve, when the before-pump isolating valve on the main pipe is opened and the after-pump isolating valve is closed, or the pressure of a coolant in the cold section is increased, the pressure difference of the regulating valve is greater than a set value, so that the regulating valve is automatically opened, and communication between the small-flow pipe and the main pipe is achieved; and when the before-pump and after-pump isolating valves on the main pipe are both opened, the pressure difference of the regulating valve is less than the set value, so that the regulating valve is closed, and the small-flow pipe is disconnected from the main pipe. Therefore, the system can realize automatic opening and closing of the small-flow pipeline under different required working conditions on the premise of not needing additional instrument control logic configuration, so that the system has the advantages of simple structure and high reliability.
Owner:CHINA NUCLEAR POWER ENG CO LTD
Control method of intelligent isolation guardrail, storage medium, terminal and isolation guardrail
ActiveCN111243284AReduce riskEffective warningRoad vehicles traffic controlRoadway safety arrangementsDriver/operatorAutomobile Accident
The invention relates to a control method of an intelligent isolation guardrail, a storage medium, a terminal and the isolation guardrail, and solves the problem that the risk of a secondary traffic accident cannot be effectively reduced because a driver behind is simply warned by a warning board. The method comprises the following steps: acquiring current traffic accident site information of a traffic accident site, wherein the traffic accident location information comprises traffic accident positioning information and vehicle specific location information; searching current guardrail callinginformation corresponding to the current traffic accident positioning information; calling the intelligent isolation guardrail corresponding to the guardrail calling information according to the traffic accident positioning information; and enclosing the current traffic accident site to form an isolation area through the called intelligent isolation guardrail according to the specific position information of the current vehicle. With application of the intelligent isolation guardrail, once a car accident happens, the area where the car accident happens is automatically isolated in time, the driver behind is effectively warned, and the risk that the driver behind does not pay attention to the accident and then the secondary car accident occurs is reduced.
Owner:宁波宁工交通工程设计咨询有限公司
Method and device for managing physical hard disks in a distributed storage system
ActiveCN111857577BRealize automatic isolationAchieve recoveryInput/output to record carriersRedundant operation error correctionLinux kernelStorage management
The invention discloses a method for managing physical hard disks in a distributed storage system: create an OSD through a distributed storage management platform, and store positioning information such as OSD IDs and OSD cluster identifications of OSD devices in the distributed storage system and logical volumes of LVM The logical information of the group and the physical volume group is written to the physical hard disk through the log of LVM; by monitoring the UDEV event of the hardware device in the kernel, the disk removal event or disk insertion event is known, and the ESN and hard disk Find the OSD ID and OSD cluster ID of the OSD device in the corresponding distributed storage system by WWN and hard disk drive letter, and then modify the operating status of the OSD device in the distributed storage cluster through the OSD ID and OSD cluster ID of the OSD device. The invention utilizes the monitoring of the UDEV event of the kernel of Linux to trigger the state update of the OSD device of the distributed storage system in real time, and realize automatic isolation and recovery of the faulty hard disk. The invention also provides a management device for the physical hard disk in the corresponding distributed storage system.
Owner:FENGHUO COMM SCI & TECH CO LTD
Communication scheduling method, device and system based on tuxedo middleware
ActiveCN104090824BImprove availabilityImprove reliabilityResource allocationHigh availabilityComputer science
Owner:CHINA CONSTRUCTION BANK
A stable signage device
ActiveCN107104312BRealize automatic isolationAvoid Electric Shock AccidentsCouplings bases/casesIlluminated signsElectric shockComputer engineering
The invention discloses a stable sign board device which comprises a base, a combining rod and a sign board part. The left side of the base is internally provided with an inner spiral pattern trough. The upper inner wall and the lower inner wall at the right side of the inner spiral pattern trough are symmetrically provided with sliding troughs. One side, which is far from the inner spiral pattern trough, of the sliding trough is provided with an oblique hole. Each sliding trough is internally provided with a guiding rod. The guiding rod is connected with a sliding block in a slidable matching manner. The sliding block slidably matches the sliding trough. A first tension spring surrounds the guiding rod at the right side of the sliding block. One side, which is next to the inner spiral pattern trough, of the sliding block penetrates through the inner spiral pattern trough. A first through hole vertically penetrates through the sliding block. The first through hole is internally provided with a first accommodating trough at the central part. A first pressing block is slidably arranged in the first accommodating trough. A block is slidably connected in the first through hole. The stable sign board device has advantages of simple structure, high convenience in mounting, high stability, effective electric shock preventing function and effective safety improvement.
Owner:盐城市双新建设投资有限公司
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