Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

251results about How to "No downtime" patented technology

Dual-computer redundancy control method and control device thereof

InactiveCN101794142ANo downtimeRealize redundant configuration control modeTotal factory controlProgramme total factory controlMaster controllerControl mode
The invention discloses a dual-computer redundancy control method and a control device thereof. The control device is characterized by comprising a control unit A and a control unit B which are of the same structure, wherein each control unit comprises a switch latching circuit, a DSP microprocessor and an output blocking circuit, the input interlocking signal ends and the output interlocking signal ends of the switch latching circuits of the two control units are respectively crosswise connected, and the outputs of the two control units are connected in parallel to an actuating mechanism. The method comprises the following steps: after being electrified, the control unit A and the control unit B compete for conduction, the first started control unit is the main controller, and the other control unit is the backup controller; and when failure occurs, the interlocking signal outputs of the main controller and the backup controller are mutually converted, and the states of the main controller and the backup controller are switched. By connecting the two control units with the same structure with the actuating mechanism in parallel with one operative and other hot standby, the invention switches the main controller and the backup controller when failure occurs, thereby realizing the dual-computer redundancy control mode.
Owner:SHANGHAI HUAXING DIGITAL TECH

Electromagnetic vibration generating device of permanent magnet and application thereof in vibration detection system

The invention discloses an electromagnetic vibration generating device of a permanent magnet and application thereof in a vibration detection system, and relates to a device for recycling energy from mechanical vibration to realize energy utilization. The electromagnetic vibration generating device of the permanent magnet is composed of two outer cylinder end covers, a columnar hollow shaft, an inner side coil, a columnar inner cylinder, two fixed annular permanent magnets, a moving annular permanent magnet, a columnar outer cylinder and an outer side coil. According to the invention, the shortcomings that the existing vibration generating device only can collect the vibration energy in the vertical direction and the energy conversion efficiency from the vibration energy to electric energy is relatively low are overcome; the electromagnetic vibration generating device of the permanent magnet is used as a unique power supply of the vibration detection system so that the vibration detection system becomes a self-powered vibration detection system; and the self-powered vibration detection system is combined with a voltage doubling circuit, a wireless transmitting module, a wireless receiving module, a single-chip module and a personal computer, thus the inconvenience of arranging a power supply and a lead outside the traditional vibration detection device is overcome, and a worker can master the vibration conditions without arriving at the site.
Owner:HEBEI UNIV OF TECH

Smart home Internet of Things communication method based on AliCloud IoT Hub platform

The invention relates to the technical field of smart home and discloses a smart home Internet of Things communication method based on an AliCloud IoT Hub platform. On one hand, subscription message transmission between a network server and a home gateway is realized on an AliCloud IoT Hub platform by adopting an MQTT communication protocol. The timeliness of information transmission can be guaranteed by using the communication characteristics of the MQTT communication protocol, so that after a user terminal sends out the control request, target household equipment can execute and respond mostquickly, the receipt receiving time is shortened to the greatest extent, the use state of the household equipment can be updated quickly, and the timeliness requirement of a user is met; and on the other hand, the home gateway only needs to subscribe to one publish theme and one subscribe theme to complete the operation of a plurality of devices in the room, so that the purposes of economy, practicability and easiness in popularization can be achieved. In addition, the invention has the characteristics of gateway activation automation, convenience in equipment addition, easiness in multi-house management and the like, can provide a simple operation interface, and is convenient to operate.
Owner:无锡青起长升智能科技有限公司

Drilling machine integrated loop network communication control system based on PLC

The invention discloses a drilling machine integrated loop network communication control system based on a PLC. The drilling machine integrated loop network communication control system based on the PLC comprises a master operational console, wherein the master operational console is respectively connected with a master operational console PLC station and a client end, the client end is connected with a network NET2 and a network NET3 simultaneously, the network NET3 is connected with a CCTV controller, the network NET2 is connected with an auxiliary server, a database server and a master server, the network NET3 is connected with a network NET5, the network NET5 is connected with a master long-distance monitoring station, the network NET2 is connected with a network NET4, the network NET4 is connected with a master long-distance monitoring station, the master operational console PLC station and the master server are further connected with a network NET1, and the network NET1 is respectively and correspondingly connected with a first PLC control station and a 400H redundancy control station. The drilling machine integrated loop network communication control system based on the PLC achieves automation, intellectualization and networking of the control system, and is good in real-time performance and stable and reliable in communication service.
Owner:BAOJI PETROLEUM MASCH CO LTD +2

Construction method for sliding and replacing whole body of jacking and revolving bearing of revolved body of stacker-reclaimer

The invention discloses a construction method for sliding and replacing a whole body of a jacking and revolving bearing of a revolved body of a stacker-reclaimer, and belongs to the technical field of replacing components of the stacker-reclaimer in iron-smelting raw material yards. The construction method comprises the following steps: before machine halt construction, firstly manufacturing jack supporting beams, safe piles and a stirrup, mounting the jack supporting beams, and mounting the stirrup; selecting hydraulic jacks, and erecting the selected hydraulic jacks; sealing the whole body of the revolved body of the stacker-reclaimer, manufacturing a sliding device of the revolving bearing, mounting the manufactured sliding device, and dismounting and removing components which have influence on the horizontal sliding of the revolving bearing; sliding the whole body of the jacking and revolving bearing of the revolved body, replacing the slid whole body of the jacking and revolving bearing of the revolved body, and mounting the components which have influence on the horizontal sliding of the revolving bearing. The construction method has the advantages that the problems that a large-scale vehicle type crane needs to be used during replacing the revolving bearing of the stacker-reclaimer in the iron-smelting raw material yards, the construction time is long, the occupied site is large, the construction cost is high and influence on the production is great; the method is simple and easy to operate, and the construction cost is reduced; the construction site is reduced, the whole construction time of jacking and sliding is shortened, and influence on the production is reduced; double safety facilities of the sealed whole body and the safe piles are adopted, so that the safety guarantee is supplied.
Owner:BEIJING SHOUGANG CONSTR GROUP

Application request processing method and device and router

ActiveCN109729131AAvoid Unresponsive SituationsWill not affect normal useTransmissionTraffic capacityDowntime
The invention discloses an application request processing method and device and a router, and relates to the technical field of applications, and the method comprises the steps: obtaining the real-time load state of each server and the equipment configuration information of each server in an application system when an application request sent by a client to the server is received; Determining request processing capability assessment information corresponding to each server according to the real-time load state of each server and the equipment configuration information; And according to the current request processing capability assessment information of each server, forwarding the application request to the server with the request processing capability meeting a predetermined requirement for processing. based on automatic flow switching strategy, the application system of the server can be switched to the available server in time without modifying routing configuration parameters or restarting the application system of the server to generate downtime, so that the server can process the application request sent by the client in time, the situation that the application request cannotrespond is avoided, and the normal use of the application of the client cannot be influenced.
Owner:PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD

Blue alga and aquatic plant treatment ship and method

A blue alga and aquatic plant treatment ship comprises a liftable water feeding system, a pretreatment tank, an ionic gas flotation device and a precipitation accelerating tank which are arranged on a cabin or deck, wherein the liftable water feeding system is communicated with the pretreatment tank through a raw water pump or a pipeline, the pretreatment tank is communicated with the ionic gas flotation device through a secondary pump and a pipeline, and the ionic gas flotation device is communicated with the precipitation accelerating tank through a clear water outlet pipeline. The ship further comprises an alga slurry tank communicated with the pretreatment tank and the ionic gas flotation device, and an alga slurry dewatering system is arranged in the alga slurry tank. According to the glue alga and aquatic plant treatment ship and method, the blue alga and aquatic plant treatment system is arranged on the cabin and the deck of the ship and becomes a mobile blue alga treatment work station. Larger algae in inflow water can be removed through a blue alga pretreatment device comprising the liftable water feeding system, the pretreatment tank, a rotary filter belt and the like, and raw water filtrate with certain concentration enters the efficient ionic gas flotation treatment device to be treated and is discharged after meeting the standard.
Owner:翟葆麟

Water body scale removing and preventing apparatus and applications thereof

InactiveCN106477735AUniversalAccurate Quantitative DesignScale removal and water softeningWater flowEngineering
The present invention discloses a water body scale removing and preventing apparatus, which comprises: a cylindrical housing arranged on a water flowing pipeline; and a core coaxially and fixedly arranged in the housing in a sleeved manner, wherein the outer peripheral surface is provided with a concave groove, and the gap formed between the concave groove and the inner wall of the housing is adopted as the water flowing channel. According to the present invention, with the flowing channel structure of the core, the water can be subjected to contact friction with the core and is impacted during the flowing so as to generate the eddy flow, such that the metal electrons in the alloy can be separated and released to adsorb and combine the ions such as calcium and magnesium in the water so as to achieve the water body scale removing and preventing; the invention further discloses applications of the water body scale removing and preventing apparatus in scale removing and preventing of heat exchangers; and with the water body scale removing and preventing apparatus of the present invention, the effective water body scale removing and preventing can be achieved, and the technical problems of low efficiency and poor scale removing and preventing effect of the existing apparatus can be solved.
Owner:武汉市嘉扬电气有限责任公司

Application gray release method, device and equipment

The invention discloses an application gray release method, device and equipment, and relates to the technical field of application, and the method comprises the steps: obtaining an application to besubjected to gray release; Configuring the application to be subjected to gray release in a gray release environment for gray release test, wherein the gray release environment is an environment created in advance according to the current online production environment; In the gray release test process, recording a switching adjustment strategy of an abnormal operation server in a gray release environment; And after the to-be-gray release application passes the test, sending the to-be-gray release application to an online production environment for gray release, and executing corresponding server switching adjustment in the gray release process according to a switching adjustment strategy. According to the method, the pre-release test process is adopted, the switching adjustment strategy inthe gray release environment is used for guiding server switching adjustment in the formal gray release process of the online production environment, configuration modification and restarting of a server application system are not needed, and the situation that the application system is crashed is avoided.
Owner:PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD

Composite biomass staged gasification furnace

ActiveCN110484306AReduces tar and soot levelsImprove gas qualityCombustible gas productionTarSlag
The invention relates to the technical field of gasification furnaces, and in particular to a composite biomass staged gasification furnace. The furnace comprises a furnace body; a fire grate is fixedon the side wall of the lower part in the furnace body; a space below the fire grate is a slag cavity; an ash discharge port is formed in the side wall of the furnace body corresponding to the slag cavity; a filter screen is also fixed on the inner wall of the furnace body; the filter screen is positioned above the fire grate; a fine filter is fixed to the top wall of the interior of the furnacebody, a feeding mechanism is fixed to the outer side of the furnace body, a primary filtering mechanism is fixed to the feeding mechanism and connected with the feeding mechanism through a feeding pipe, and the primary filtering mechanism is connected with the upper portion of the side wall of the furnace body and a fine filtering mechanism through a first air pipe and a second air pipe. Accordingto the composite biomass staged gasification furnace, the content of tar and smoke dust in fuel gas is greatly reduced, the fuel gas quality is improved, equipment is protected, the filtered tar is returned to the furnace again to be subjected to high-temperature cracking to generate small molecular fuel gas, then the fuel gas generation efficiency is improved again, and the tar generation amountis reduced.
Owner:HUNAN INSTITUTE OF ENGINEERING

Circle shearing machine capable of determining width and smashing edges of lead belt for storage battery

The invention relates to a circle shearing machine capable of determining the width and smashing the edges of a lead belt for a storage battery. According to the technical scheme, an upper width adjusting component (8) is mounted on an upper knife shaft (2); an upper right blade (9) and a right knife holder (10) are sequentially fixedly mounted by means of being tightly adhered to the right side of the upper width adjusting component (8); 1-4 right edge smashing knifes (14) are mounted on the right knife holder (10); the knife opening of each right edge smashing knife (14) is located on the concentric circumference of the knife shaft (2); an upper left blade (6) and a left knife holder (4) are sequentially fixedly mounted by means of being tightly adhered to the left side of the upper width adjusting component (8); 1-4 left edge smashing knifes (5) are mounted on the left knife holder (4); the knife opening of each left edge smashing knife (5) is located on the concentric circumference of the knife shaft (2); a lower width adjusting component (11) is mounted on a lower knife shaft (3); a lower right blade (12) is fixedly mounted by means of being tightly adhered to the right side of the lower width adjusting component (11); and a lower left blade (7) is fixedly mounted by means of being tightly adhered to the left side of the lower width adjusting component (11). The circle shearing machine disclosed by the invention has the characteristics of less investment, convenience for installation and high shearing efficiency.
Owner:WUHAN UNIV OF SCI & TECH

High-precision polishing equipment for die-casting workpiece and polishing method thereof

The invention discloses high-precision polishing equipment for a die-casting workpiece and a polishing method thereof. A polishing mechanism is arranged between a first supporting platform and a second supporting platform, a second pneumatic cylinder is driven, a supporting plate can be driven to rotate, the tensioning degree of a polishing belt is further adjusted, a first pneumatic cylinder is driven, the position of the polishing belt can be adjusted, the polishing position of the polishing belt on a workpiece is further adjusted, the polishing position and the polishing degree can be conveniently adjusted, the adjustment is convenient, and the polishing precision is high when the workpiece is polished. According to the equipment and the method, the upper end of a third supporting platform is provided with a rotating device and a clamping device, when the polishing equipment is used, a third motor is driven to drive the die-casting workpiece to rotate for one circle to polish the workpiece, a second motor is driven, a rotating shaft is rotated to drive a bearing plate to rotate so as to drive the die-casting workpiece for revolution, a next die-casting workpiece can be polishedconveniently, polishing is finished through the rotation when the polishing equipment is used, replacement is finished through the revolution, equipment halt is avoided, and the working efficiency isimproved.
Owner:宁波敏嵘机械有限公司

Plated piston rod assembly polishing processing device and processing method thereof

The inventin provides a plated piston rod assembly polishing processing device which comprises loading and unloading caching stations, a ground track robot, cylindrical grinding machines, grinding machine caching stations and a detection platform. The two loading and unloading caching stations are distributed on the front side of the ground track robot; workpiece trays are arranged on the loadingand unloading caching stations; multiple V-shaped support blocks are arranged on the workpiece trays and can position piston rod assemblies; a ground track of the ground track robot is arranged alongthe left-and-right direction; a manipulator can move along the ground track; the two cylindrical grinding machines are located on the back side of the ground track robot; the two grinding machine caching stations are located on the front sides of the two cylindrical grinding machines; a first workpiece support frame and a second workpiece support frame are arranged on the grinding machine cachingstations; the detection platform is located between the two loading and unloading caching stations; a detection scanner is arranged on the detection platform and can be used for detecting faults of the surfaces of the piston rod assemblies; the detection scanner is connected with a controller; and the controller is connected with the ground track robot. The plated piston rod assembly polishing processing device provided by the invention has high processing efficiency.
Owner:苏州迅益科系统科技有限公司

Remote data transmission method based on Netty

The invention discloses a remote data transmission method based on Netty. The method comprises the following steps: initiating an RPC request; in the process of establishing the connection, initializing a thread group; assigning an NIO thread, and establishing a thread pool; starting a data transponder, and processing an I / O event; processing packet boundaries; constructing a connection server channel; putting the connected channels into a queue; sending the data to a buffer area and then refreshing and outputting; when receiving the data, accessing the data into a kafka message queue; packaging the data into Producer Record of kafka; judging whether a specified partition exists in the topic or not; if it is determined that the specific partition does not exist in the top, judging whethera specific key exists or not; if it is determined that the specified key exists, specifying a partition for the top by adopting a corresponding hash algorithm according to the value of the key; and accessing to the partitions corresponding to the topics, and sequentially storing the data into the buffer pools corresponding to the partitions. By means of the mode, high-throughput data transmissioncan be achieved, the I / O event processing efficiency is effectively improved, and the phenomenon of server downtime caused by thread stack overflow is avoided.
Owner:CHINA SOUTHERN POWER GRID DIGITAL GRID RES INST CO LTD +1
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products