92results about How to "Resolve downtime" patented technology

The invention refers to the technical field of wind power and particularly relates to a lubricant cooler, a cooling lubricating system of a step-up gear box, a wind power unit and a low-temperature starting method of the wind power unit. The lubricant cooler of the invention comprises a radiating plate and a unidirectional valve arranged on a lubricant conveying pipeline; the radiating plate and the unidirectional valve are arranged in parallel, and the unidirectional valve and the lubricant conveying pipeline interconnected with the unidirectional valve are integrated on the radiating plate. The lubricant cooler of the invention can solve the problem that the wind power unit of the cooling lubricating system of step-up gear box is shutdown for failure for the lubricant blocks the radiating plate. The cooling lubricating system of the step-up gear box is simple in structure. The wind power unit can be effectively started under low temperature. The low-temperature starting method of the wind power unit can smoothly start the wind power unit under the low-temperature environment.

The invention relates to the construction field of earthwork projects of sand soil or fine-grained soil foundation pits, in particular to a construction method of digging and conveying earth of a deep foundation pit through current scour. The construction method includes the step of supporting and portioning the foundation pit, the step of digging a mud sucking pool, the step of installing a mud pump, the step of installing a high-pressure water pump and a water supplying water tank, the step of digging a soil abandoning area, the step of installing a mud conveying pipe and middle pressurizing equipment and the step of digging soil through current scour, and finally the mud is conveyed to the soil abandoning area through the mud conveying pipe, the mud sediments in the soil abandoning area, and clean water after sedimentation is discharged or reused. The construction method of digging and conveying earth of the deep foundation pit through current scour has the advantages that (1) the scheme of digging and conveying soil through hydraulic power well resolves the problem of work stoppage caused by road traffic control; (2) soil is conveyed through a water current pipeline instead of a land route, so that the influence on the city road traffic from large earthwork trucks is reduced; (3) the construction scheme of digging and conveying soil through hydraulic power lowers construction noise; (4) no large earthwork truck passes near the foundation pit in the construction process, and loads on a surrounding and protective structure are reduced.

The invention discloses an induced draft fan RB control method of a high-sodium lignite tower boiler unit. After induced draft fan RB happens, a DCS is controlled in following manners that a) a unit control manner is switched to a TF manner, wherein master control of a boiler is switched into a manual manner; b) a main steam pressure set value firstly tracks actual main steam pressure, and then the RB sliding and pressing rate is changed into a target pressure value; c) air feeders on the same side are tripped, and the adjustable vane opening degrees of induced draft fans and air feeders which are not tripped on the opposite side are each increased at a certain rate on the basis of an original opening degree till a target value is achieved; d) upper layer coal mills are sequentially tripped, and finally four coal mills are reserved to operate; and a lower layer plasma burner is started to operate, and an upper layer plasma burner is started to operate after time is delayed by t2; and e) when a load reaches a target load, induced draft fan RB control automatically ends, or after unit main parameters are stable, an operating person manually confirms that induced draft fan RB control ends. The induced draft fan RB control method can improve RB control stability and safety.

The invention relates to a node switching method and a system and computer equipment, and the method comprises the steps: configuring a main node as a first weight value, and enabling the main node tobe provided with a plurality of slave nodes; adjusting the first weight value according to the hardware running state and the service process of the main node; after the first weight value is smallerthan the preset threshold value, the master node is switched to the slave node, so that the problem of slow node switching is solved, more flexible server switching is realized, unnecessary service interruption of the server is reduced, and the connection is more stable.

The invention provides a task execution method and device based on message queues. The message queues corresponding to the tasks are configured by an ERP (enterprise resource planning) system. The configuration message of the message queue includes queue message and calling message. The task execution method includes that the ERP system receives an execution command of a first task; according to the execution command, a second task associated with the first task from a business process table pre-configured for the first task; after executes the first task, the ERP system determines a first message queue corresponding to the first task, and according to the queue message of the first message queue, the second task is sent into the first message queue; scheduling message of the first message queue is called to execute the second task of the first message queue. According to the arrangement, the problems of the prior art of long waiting time for the user and slow operation speed and down-time are solved, and accordingly user experiences are improved.

The invention discloses an engine combined cooling device, and belongs to the field of car manufacture. The engine combined cooling device comprises an auxiliary cooling system, wherein the auxiliarycooling system comprises a compressor, a condenser, an expansion valve, an ice storage device, a photovoltaic cell and a motor compressor; one end of the ice storage device is connected with the compressor; the other end of the ice storage device is connected with the expansion valve; the compressor and the expansion valve are simultaneously connected with the condenser; the ice storage device isconnected with a water outlet and a water inlet of a water jacket in an engine; and the compressor is connected with the motor compressor. The engine combined cooling device provided by the inventionsolves the problems that cooling can be only realized through a cooling fan at present and machine shutdown is caused by insufficient cooling of the engine at a high-temperature area, and the power loss of the engine is reduced. The invention further discloses a working method of the engine combined cooling device.

The invention discloses a method for load control of a steam turbine in a frequency-variable rotating speed reducing process of an SHRT (sinter blower residual heat recovery turbine) set. The method includes: step 1, starting the steam turbine, and detecting regulating steam port openness when the steam turbine is in a maximum non-load speed; step 2, performing rotating speed reducing control of the set, to be more specific, 1) when rotating speed reducing operation of the set is needed, setting VFDS frequency or rotating speed by operating personnel; sending a 'preparing for rotating speed reduction' signal to an instrument control system by VFDS, judging whether the set meets speed regulating conditions or not by the instrument control system, and if yes, feeding a 'permission of rotating speed reduction' signal to VFDS7, and executing the step 2); 2) reducing the rotating speed of a motor to a target rotating speed S1 under the control of VFDS, and in a rotating speed reducing process, reducing output power of the steam turbine to guarantee that current of the motor is constantly set current II. The method is free of human intervention, and the problem of frequency converter failure shutdown caused by current fluctuation of the motor in the rotating speed reducing process is effectively solved; in addition, enormous economic benefits can be created for enterprises by the SHRT set.

The invention relates to the technical field of cloud storage, in particular to a data caching method and device, and computer equipment. The data caching method and device are characterized in that the first thread and the second thread concurrently request to acquire the same service data; if the cache fragment set is not searched for the service data, the step 2 is executed; if so, the first thread and the second thread compete for a lock and obtain the lock from the service data of the rear end; if the first thread competes successful, the service data of the rear end is locked, and only the first thread is allowed to obtain the service data; the service data is obtained in the first thread, and the corresponding first target service data and the first timestamp are written into the corresponding first cache fragment; and then, the service data of the rear end is unlocked; and the second thread obtains the first target service data from the first cache fragment, and then writes thecorresponding second target service data and the second timestamp into the corresponding second cache fragment, so as to solve the problem that the storage efficiency is reduced due to too many linksof the server and too many occupied resources, thus causing the server to be crashed.

The invention belongs to the technical field of flue gas desulfurization, and discloses a limestone-wet flue gas desulfurization defoaming method for a thermal power plant based on a desulfurization defoaming agent. The method comprises the following steps: recording FGD related operation parameters under the working condition of relatively stable operation load, and starting the addition work ofa special defoaming agent for experimental desulfurization after 4 hours; under the conditions that the desulfurization rate is qualified and the PH value is 5.0-5.6, the running number of the slurrycirculating pumps is kept; determining the feeding amount of the defoaming agent according to the operation conditions such as the inlet flue gas amount, the flue gas dust content, the boiler oil feeding amount, the inlet SO2 concentration and the like of the desulfurization system; and adding 0.5-3kg of the special defoaming agent for desulfurization into the pit, stirring for 5-10 minutes, and pumping into an absorption tower through an absorption tower pit pump. The defoaming agent is mainly applied to defoaming of limestone slurry in limestone-wet flue gas desulfurization absorption towersof thermal power plants, municipal coal-fired heat supply units, steel mills and coking plants.

The invention discloses a water heater and a control method thereof. The water heater comprises a water level switch group and a controller, wherein the water level switch is arranged inside a water tank of the water heater and comprises at least four water level switches at different heights; when the water heater is in operation, two water level switches of the at least four water level switches are in an on state, and the rest water level switches are in an off state; the controller is connected with the water level switch group and is used for judging whether the two water level switches in the on state have faults; and when any one water level switch in the on state has faults, the two water level switches in the on state are controlled by the controller to be off, and any two water level switches in the off state are controlled by the controller to be on. The water heater can be free from halt caused by the faults of the water level switches.

The invention discloses a method, device and system for capturing network attack behavior, equipment and a medium. The capturing method comprises the following steps: transmitting an agent log of at least one honeypot agent server to a distributed cluster; Transmitting the agent log to a search server for distributed full-text retrieval for storage through the distributed cluster; And capturing and analyzing the network attack behavior of the agent log stored in the search server. The problem of downtime of the honeypot proxy server is effectively solved, IO consumption is effectively reduced,and the availability of the honeypot proxy server is effectively improved.

The invention provides a processing method and apparatus for tr069 protocol information. An operating state of an auto config server (ACS) is detected, wherein the operating state is used for indicating a connecting state of the ACS and a CPE; when the operating state is detected to be an off-line state, a processing course is established and session connection between the processing course and the CPE is established, wherein the processing course is used for responding to information sent to the ACS by the CPE based on a tr069 protocol. Therefore, a problem of ACS down time due to a message storm can be solved and thus centralized reporting caused by information accumulation can be avoided, thereby avoiding an impact on the ACS. Under the circumstance that the current hardware cost is not increased, the message storm is resisted, thereby improving the user experience.

The embodiment of the invention provides a graph-based incidence relation obtaining method and device, computer equipment and a storage medium. The method comprises the steps of receiving query information sent by a client; obtaining associated objects respectively corresponding to the query entries in the query information; obtaining associated object similarities among the associated objects toform an associated object similarity set; obtaining associated object similarity exceeding a preset similarity threshold in the associated object similarity set to form a target associated object similarity set; obtaining associated objects corresponding to the target associated object similarity to form a target associated object set; and taking each target associated object in the target associated object set as a target vertex, obtaining associated object similarity between the target vertexes as a coefficient of a connection edge, obtaining undirected graph information corresponding to thetarget associated object set, and sending the undirected graph information to a client. Association query of big data storage is realized, and association analysis by utilizing a big data storage system is facilitated.

The invention discloses a back spot facing machining cutter and an application method thereof. The cutter comprises a cutter bar, a cutter head and a bolt, wherein a cutter head mounting hole is formed on the front part of the cutter bar, and the cutter head is fixed in the cutter head mounting hole; a threaded through hole is formed at the front end of the cutter bar, and the bolt is arranged in the through hole; and the bolt is fixedly connected with the cutter head. The back spot facing machining cutter has the advantages that: the problems of manual cutter assembly and disassembly, shut down and low machining efficiency during the traditional machining process of back spot facing can be solved by designing the special back spot facing machining cutter which has a smart manufacturing structure and is simple and practical, and automatic machining process of the back spot facing is realized; a special cutter is provided for the equipment with high machining automation degree, such as horizontal machining equipment, vertical machining equipment and the like, a mechanical arm can automatically change a cutter, and the machining efficiency can be greatly improved.

The invention discloses a hydrofining method of secondarily processed gasoline fractions. The method comprises the following steps of: mixing secondarily processed gasoline fraction raw materials and hydrogen and entering into heat-exchanging moderating pre-hydrogenation equipment; increasing the material temperature through heat exchange through pre-hydrogenation and enabling the material to enter heating equipment after heat exchange and moderating pre-hydrogenation; then, entering a hydrofining reactor; carrying out a hydrofining reaction of the raw materials under the hydrofining condition; and exchanging heat among the effusion of the hydrofining reaction with the secondarily processed gasoline fraction raw materials and the hydrogen in the heat-exchanging moderating pre-hydrogenation equipment. Compared with the prior art, the method of the invention can effectively delay the rise of the pressure fall of the reactor and ensure the long-period rotation of the hydrogenation device.

The embodiment of the invention discloses a blast furnace blower temperature monitoring method and system and relates to the technical field of monitoring. The blast furnace blower temperature monitoring method comprises the steps that the current temperature of a temperature detecting point is periodically collected through a temperature collecting module and is compared with a preset alarming temperature, and the temperature monitoring result of the temperature detecting point is generated; and the temperature difference absolute value is calculated through the current temperature of the temperature detecting point and the historical temperature of the temperature detecting point and is compared with a preset jumping alarming temperature, and the temperature jumping monitoring result of the temperature detecting point is generated. The condition that the temperature of the temperature detecting point is jumped due to self breakdown of the temperature collecting module is eliminated, the problem that a blast furnace blower stops due to non-self breakdown of the blast furnace blower is solved, and meanwhile, the condition that maintenance personnel of the temperature collecting module confirm the breakdown condition and overhaul the device is facilitated.

The invention discloses a single-fan virtual wind speed calculation method and system based on wind field wind speed association. The single-fan virtual wind speed calculation method at least comprises the steps of S1, carrying out data acquisition and storage, S2, carrying out data preprocessing, S3, carrying out associated fan selection, and S4, carrying out model training and storage: selecting associated historical data of an associated fan as an input value, inputting the input value into a learning model, and completing training of a wind speed fitting algorithm model; and S5, carrying out virtual wind speed calculation, calling the wind speed fitting algorithm model obtained through training in the step S4 in real time, and obtaining the current wind speed of a target wind turbine through fitting in combination with associated wind turbine associated data. According to the method, under the condition that an anemograph breaks down, auxiliary equipment does not need to be added, and the operation condition of the anemograph can be effectively judged and fitted. The method has the characteristics of simplicity and feasibility, can improve the phenomena of unit abnormity, unplanned shutdown and the like caused by anemograph faults, and improves the power generation efficiency of a unit.

A dynamic detector for a jacquard loom component is mainly composed of a frame, a transmission mechanism a control mechanism and a detection mechanism. The frame comprises a bottom frame and a top frame, wherein a component fixing frame used for containing the component is fixed to the top frame. The transmission mechanism is mainly composed of a motor, a belt wheel set and a transmission wheel set, the two ends of a transmission wheel shaft of transmission wheels are respectively provided with an eccentric wheel, a connecting rod is connected to the outer side of each eccentric wheel, the connecting rods penetrate through the bottom frame and are fixed to the top frame, and two griffes are connected between the middle upper portions of the two connecting rods. The control mechanism comprises a control box, a plurality of circuit boards are connected to the control box, and a sensor is arranged on a stand column. The dynamic detector for the jacquard loom component is simple in structure and convenient to operate, detection efficiency is high, detection accuracy is also quite high, the running efficiency and the production quality of a jacquard loom can be ensured effectively, the problems of halt and detective cloth production due to the using of unqualified components are solved, and the labor intensity of operating personnel of the jacquard loom is reduced greatly.

The invention discloses a telescopic cloud server system and a communication method thereof. The system comprises a plurality of access servers used for accessing terminal data, a plurality of data processing servers used for processing the terminal data, and a plurality of buffer servers only used for transmitting the data, wherein the buffer servers are arranged between the access servers and the data processing servers, and respectively in communication with the access servers and the data processing servers. According to the system, by adding the buffer servers and middleware servers between the original access servers and cloud data processing servers, processing nodes of the data processing servers are increased, and the concurrent processing capacity is improved. The problem that by using the existing cloud server system, the terminal is usually unable to connect to the server or the server is down due to excessive processing frequency is solved.

The invention relates to the technical field of communication data processing, and discloses an MQTT-based real-time streaming data analysis processing method, which comprises the following steps: (1) receiving user messages in a high-concurrency scene by using a Kafka partition mechanism, writing the user messages into a disk in a sequential writing manner, and storing the user messages in a message queue based on a publishing / subscribing mode; (2) searching and filtering the message through Kafka Stream, persistently storing the message into a database, and keeping monitoring on the state of a receiving end; sending the filtered data to an MQTT server, and storing the filtered data in different themes; and (3) enabling the receiving ends subscribing to different themes in the MQTT protocol to carry out matching to obtain messages, and enabling the receiving ends to send state messages to update the online list every time the receiving ends are online or offline. According to the invention, the data acquisition of the Internet of Things equipment and the control of the Internet of Things equipment are realized, the weight is light, the realization is simple, and the message pushing of the message Qos, TLS and the like is supported.

The invention discloses a data transmission method based on unity of a person and a certificate. The method comprises the following main steps: 1, a person and certificate acquisition device is arranged in a situation in need of identity authentication; 2, the person and certificate acquisition device acquires the face image information and the certificate information of a user; 3, a processing system carries out encryption processing on data, wherein the data comprise the face image information, the certificate information and the position information of the person and certificate acquisitiondevice; 4, whether the data succeed in encryption is judged, if yes, the next step is carried out, or otherwise, the third step is returned; 5, the encrypted data are transmitted to a distributed message system which is Kafka; 6, after the distributed message system receives the data, whether the already-received data are normal is judged, if yes, the next step is entered, and if not, the fifth step is returned; and 7, a big data platform extracts data from the distributed message system. Thus, the previous high concurrent server downtime problem is solved, and the user can conveniently queryreal-time data.

The invention belongs to the technical field of vehicle engines, and particularly relates to a control method, device and system for an electric fan in a vehicle. The control method for the electric fan in the vehicle includes the following steps of obtaining the current state of the electric fan, and controlling a heater on the electric fan to perform heating when the current rotating speed of the electric fan is lower than a preset rotating speed. In the control method for the electric fan in the vehicle, when the current rotating speed of the electric fan is lower than the preset rotating speed, the heater on the electric fan is controlled to perform heating; when the current rotating speed of the electric fan is lower than the preset rotating speed, a logical judgment is made and corresponding actions are taken, so that the faults of the electric fan can be solved through a logical control unit of an engine, no shutdown overhaul is needed, and the electric fan can be prevented fromburning down.

The invention provides an excavation method of a reverse construction method-constructed foundation pit. The mechanical excavation and the hydraulic excavation are combined for construction in the reverse construction method-constructed foundation pit; when the mechanical excavation is convenient, the mechanical excavation is performed; when the mechanical excavation is limited, the hydraulic excavation is performed; a high-pressure water gun scours soil to form mud; the mud flows to a corresponding mud pool; the mud is conveyed to a mud treatment area through a mud discharge pipe; and meanwhile, a basement floor is cast to realize synchronous ground and underground construction. The excavation method effectively improves the soil excavation efficiency, is not limited by the traffic control, shortens the construction period, reduces the cost, saves the energy, and protects the environment.

The invention relates to a task scheduling method and device, computer equipment and a storage medium. The method comprises the steps of receiving a to-be-scheduled task scheduling request, wherein the to-be-scheduled task scheduling request carries a to-be-scheduled task identifier; obtaining a to-be-scheduled task corresponding to the to-be-scheduled task identifier; wherein the to-be-scheduledtasks comprise one or more single-chip task; wherein the task types corresponding to all the single-chip tasks are the same, and the processing performance indexes corresponding to all the execution machines are calculated; determining a grouping proportion according to each processing performance index, and grouping the tasks to be scheduled according to the grouping proportion to obtain a plurality of grouped tasks; and according to the processing performance index corresponding to each single-chip task in each execution machine, allocating each grouping task to the corresponding execution machine so as to instruct the execution machine to process the grouping tasks allocated in parallel according to each processing thread, wherein the corresponding number of processing threads are determined according to the allocated grouping tasks. Through the method, the task execution efficiency can be improved.

The invention provides a function test method, a function test system, a data updating method and a data updating system, wherein the function test method comprises the following steps: intercepting acurrent request link sent by an application, and extracting a current request identifier in the current request link; if the current request identifier is searched in the request identifiers stored locally, determining a current response rule corresponding to the current request identifier, wherein the request identifiers stored locally and the response rule are the request identifiers and the response rule which are respectively obtained from a server and are in an effective state; and according to the current response rule, generating a feedback result corresponding to the current request link. Compared with the prior art, the methods and the systems provided by the invention can improve function test efficiency.

The invention discloses a data transmission method and device, and relates to the technical field of computers. A specific embodiment of the method comprises the steps of receiving a data request of auser; designating data transmission units for the user in a pre-configured data transmission unit set comprising a plurality of data transmission units, wherein the designated data transmission unitsacquire the data and send the data to the user. According to the embodiment, the load of the server can be reduced, the server downtime problem is solved, and the reliability of the server is improved.

The embodiment of the application discloses a method for querying document data. The method comprises the following steps: a server sends a temporary table to a terminal, the temporary table includesa serial number, the serial number includes a preset homepage serial number, and each serial number is used for identifying one document data; After receiving the temporary table, the terminal obtainsthe target page number; The terminal determines the target serial number according to the target page number and the preset first page serial number; The terminal sends the target serial number to the server; The server obtains the target document data according to the target serial number in the temporary table; The terminal displays the target document data. Corresponding servers and terminalsare also provided herein. The technical scheme of the application enables the query performance to be improved when the amount of data in the database is large, the memory occupied by the query data is effectively reduced, and the problem of server downtime is solved.

The invention discloses an electric lawn mower. The electric lawn mower is provided with a power head, wherein the power head comprises a housing, and at least one battery pack and a motor are arranged in the housing; a plurality of battery pack air inlets are formed in any battery pack, and the housing is provided with first air inlets corresponding to all the battery pack air inlets and allowingcooling air to enter the housing; an air guide pipe for guiding external cooling air into any battery pack is arranged between any battery pack air inlet and the corresponding first air inlet; and abattery pack air outlet allowing cooling airflow after cooling a cell in any battery pack to flow to the motor is formed in the bottom of the battery pack. The electric mower can greatly improve the cooling effect of the battery packs and increase the utilization rate of the cooling air, thereby solving the problem of shutdown caused by over-temperature protection when the environmental temperature is high in the prior art. The arrangement manner can improve the working efficiency of the mower, prolong the cycle life of the cells and increase the capacity utilization rate of the cells.

A machine tool spindle conical hole coping device comprises a horizontally laid bottom plate. The bottom plate is provided with a coping part and an adjusting device used for adjusting the position of the coping part. The adjusting device comprises a vertical drive part used for driving the coping part to vertically move, and a horizontal drive part used for driving the coping part to horizontally move. The coping part comprises a bar-shaped grinding head. One end of a first lead screw of the vertical drive part penetrates a fixing frame and is coaxially connected with an output shaft of a first motor. The first lead screw is engaged with a first sliding block, and the first sliding block is fixedly connected with a grinding head motor. The two ends of a second lead screw are rotationally erected on a door frame. One end of the second lead screw penetrates the door frame and is coaxially connected with an output shaft of a second motor, and the second lead screw is engaged with a second sliding block. The fixing frame is connected with the second sliding block through a connecting device capable of moving and positioning on the second sliding block. A center controller is connected with the grinding head motor, the first motor and the second motor.

The window (2) has a lock (6) connected to flexible connectors (4) e.g. cords or cables, terminated by a safety spring (5). The connectors have movable bolts (3) guided inside a fixed frame (1). Grooves are formed on the respective bolts at determined position when the lock is in operating position, to unlock and release the window that is defective, for replacing the defective window with a new window. The connectors are controlled to lock a window assembly against the frame by the spring that assists a fastener for locking, through the bolts when the new window is repositioned on the frame.