62results about How to "Reduce operation and maintenance" patented technology

The embodiment of the invention provides a detection method and device of a cloud-based database. The method comprises the following steps of: determining a detection type which aims at one or a plurality of database living examples to carry out detection, wherein the detection type comprises performance detection and/ or security detection; according to the detection type, regulating the priority of one or the plurality of database living examples; according to the regulated priority, carrying out the performance detection and/ or the security detection on the one or the plurality of database living examples, and obtaining a performance detection result and/ or a security detection result; when the performance detection result and/ or the security detection result is matched with a preset performance problem and/ or a security problem, generating database processing prompt information; and pushing the performance detection result and/ or the security detection result and the database processing prompt information. By use of the embodiment of the invention, cloud data butler service capable of carrying out active operation and maintenance is realized, and the hidden dangers of the cloud database living examples on the aspects of performance and security can be greatly reduced.

The invention discloses a Redis cluster management method, which comprises the following steps of: when a data access request is monitored, determining a target data partition which is not downtime through a Redis cluster agent component and a data key value in the data access request; routing the data access request to the target data partition, and processing the data key value to obtain a hashslot number; and routing the data access request to a Redis node corresponding to the hash slot number in the target data partition. The invention also discloses a Redis cluster management device, equipment and a readable storage medium. According to the invention, the data integrity and high availability of the Redis cluster can be effectively ensured.

The invention relates to the switch-over and sharing technology of diesel generators in a power station, in particular to a method for utilizing a black-start diesel generator to be doubled as a safety source diesel generator. According to the method, the safety source diesel generator is removed, a black-start conversion safety step-down power distribution unit is set to step down the voltage of an outlet of the black-start diesel generator so as to be supplied to a safety source load for use, and therefore the black-start diesel generator can be doubled as the safety source diesel generator; when the safety source is needed, the safety source diesel generator is changed to be the black-start diesel generator for starting, the 400V power distribution segment with the safety source is operated, and after functions for the safety source are completed, black-start is performed according to the subsequent instructions. The method has the advantages that repeated setting of the diesel generator of the black-start power station can be avoided, the number and volume of the diesel generators are reduced, the utilization rate of the diesel generator is improved, the number of generators and the running cost are greatly reduced, cost is effectively reduced, the area occupied by the power station is reduced, and running maintenance caused by decreasing of the number of the diesel generators in the future is reduced.

The invention discloses a sub-chamber back blowing bag type dust collector with a reciprocating movement back blowing air port, and relates to a bag type dust collector. The bag type dust collector can solve the problems that a deashing mechanism of the conventional bag type dust collector cannot realize port-to-port deashing chamber by chamber, the deashing effect is poor, the structure is complex, faults are easy to occur and the like. The bag type dust collector is technically characterized in that: a sub-chamber back blowing deashing device is arranged in a gas purifying chamber, one end of a telescopic back blowing gas pipe is connected with a deashing gas source for introducing back blowing deashing gas flow, and the other end of the telescopic back blowing gas pipe is connected with the movable back blowing air port; and a transmission mechanism draws the movable back blowing air port and the telescopic back blowing air pipe to reciprocate and move to the outlet of the small gas purifying chamber sequentially for performing port-to-port positioning back blowing deashing chamber by chamber. The sub-chamber back blowing bag type dust collector is mainly applied in dedusting treatment before smoke gas in power stations, metallurgy, chemical industry, mining, cement, grain processing and other industries is discharged.

The invention provides a cloud edge cooperation system for edge computing. The cloud edge cooperation system comprises a cloud platform used for providing Internet of Things applications and an edge gateway used for managing Internet of Things services. The cloud platform comprises an edge market module and a node management module, the edge market module is used for displaying and developing physical network applications, the node management module supports automatic downloading of toolkits and program files, and programs are started in parallel during initialization; and the edge gateway comprises a main program module, a telemetering transmission protocol center MQTT hub module, an agent module, a remote MQTT communication module, a data analysis module, a serial module and a unified architecture module which communicate through a telemetering transmission protocol MQTT. According to the embodiment of the invention, the node management module is responsible for one-key installation and deployment of scripts and a monitoring function, so that the requirements on operation, maintenance and development capabilities of a user are well reduced.

The invention discloses a network traffic monitoring and auditing method and system, belongs to the technical field of network security, and can solve the problems of relatively high deployment complexity and relatively high operation and maintenance deployment difficulty in the whole competition monitoring process in an existing computer competition system. The method comprises the following steps: deploying dynamic probes on a host and a switch; acquiring traffic data of a host and a switch port by using a dynamic probe; determining whether the flow data is normal or not; and when the traffic data is abnormal, sending alarm information. The method is used for monitoring and auditing under the computer practical training competition.

The invention relates to a method for enhancing tar removal and CO2 trapping of a chemical-chain-gasification hydrogen production process in a synergistic manner by using a CaO modified composite absorbent. According to the method, through the synergistic action of all ingredients of the CaO modified composite absorbent, chemical-chain gasification is carried out in a reaction route that tar decomposition and carbon deposit elimination occur more easily, so that the tar removal effect is enhanced, and the covering of molecular active sites, for trapping CO2, of CaO by tar carbon deposit is reduced. Meanwhile, the circular carbonatation reaction activity, mechanical strength and wear resistance of the absorbent are improved. The method is beneficial to the reduction of supplement amount of a fresh CaO absorbent and the reduction of investment and operating costs of a chemical-chain gasification system.

The invention discloses a bi-directional single fiber optical module and an optical path detection method. The optical path detection method is applied to the bi-directional single fiber optical module and comprises the following steps: after a sense command sent from an optical line terminal managing the optical module is received by an optical path detection interface on the optical module, transmitting the optical path detection light of wavelength different from the wavelengths of the service uplink light and the service downlink light of the optical line terminal; outputting the optical path detection light to an optical fiber interface, and receiving the reflected light of the optical path detection light transmitted from the optical fiber interface; after the reflected light is converted into an electrical signal, carrying out data processing to the electrical signal; and transmitting data obtained after processing to the optical line terminal via the optical path detection interface. The optical path detection method does not disturb normal service operation, the original equipment and light path detection characteristics are organically combined to satisfy the desire of operators that optical fiber faults can be detected with the traditional equipment, operation maintenance and alarm time is greatly shortened, and the operation cost of the operators is reduced.

The invention relates to a wet desulphurization tail smoke white removing tower. The white removing tower comprises a tower body, a water outlet, an inlet smoke channel, flow homogenizing devices, condensation sections, a draught fan, a demisting section, an inner cylinder and a top outlet, the water outlet is coaxially communicated with the bottom of the tower body, the top outlet is coaxially communicated with the top of the tower body, the flow homogenizing devices are coaxially arranged on the part, above the water outlet, of the tower body at intervals, the condensation sections are coaxially arranged on the part, above the flow homogenizing devices, of the tower body at intervals, the outer sides of the lower bottom faces of the condensation sections are tightly connected with the inner wall of the tower body through a sealing plate, and the inner cylinder is coaxially arranged in the part, between the condensation sections and the top outlet, of the tower body. The white removing tower can reduce the water content in the smoke and the smoke temperature after wet desulphurization, so that no white smoke plume capable of being recognized by naked eyes does not exist in the smoke exhausted into the air, the investment and the operation maintenance of the white removing system are greatly reduced, the benefits are improved, and the purposes of energy conservation and emission reduction are achieved.

The invention discloses a new energy fast frequency response system and method. According to the invention, an active voltage control instruction of a power grid dispatching master station is forwarded through a frequency modulation control response device, so that daily active output control and steady-state voltage control can be carried out on each new energy generator set, the use and operation maintenance of other equipment are reduced, and the reliability of power grid operation of a new energy electric field is improved; when the frequency of the power grid is abnormal, locking control is carried out on the active power control instruction of the power grid dispatching master station, so that the frequency modulation control response device can independently carry out frequency modulation, control values in the active power control instruction issued by the power grid dispatching master station are not superposed, and the accuracy of rapid frequency modulation is improved; and when the frequency modulation control operation is finished or overtime, the locking control of the work power control instruction of the power grid dispatching master station is unlocked, so that the power grid dispatching master station and the frequency modulation control response device work cooperatively, and the stable operation of the power grid of the new energy field station is ensured.

The invention discloses a flotation machine transmission device. The flotation machine transmission device comprises a speed reduction box body, an upper hollow shaft, a motor supporting frame, an auxiliary oil tank and a lubricating oil circulating pump, the upper hollow shaft is arranged in the speed reduction box body and serves as an output shaft of the speed reduction box body, the motor supporting frame is arranged at the upper part of the speed reduction box body, the input shaft of the speed reduction box body is connected with a motor shaft through a high-speed end coupler and is parallel to the upper hollow shaft, the upper hollow shaft longitudinally penetrates through the speed reduction box body, a compressed air pipe joint is arranged at the upper end of the upper hollow shaft, a lower shaft connecting flange is arranged at the lower end of the upper hollow shaft, a vacuum heat insulation layer is arranged on the inner wall of the upper hollow shaft, the auxiliary oil tank is arranged at the lower part of the speed reduction box body, and lubricating oil in the auxiliary oil tank is circularly injected to a bearing seat at the upper part of the speed reduction box body through the lubricating oil circulating pump. The transmission structure of a speed reducer is compact, the power input is large, the operation efficiency is high, the operation and the maintenanceare easy and convenient, and the transmission device is particularly suitable for the development requirements of large flotation equipment for energy conservation and consumption reduction, reductionof maintenance and reduction of shutdown time.

The invention provides a tax payment amount determination method and device and electronic equipment, and can be used in the financial field or other fields, and the method comprises the steps: determining the respective element value of at least one tax calculation element corresponding to a business in response to the triggering of the business; determining a tax calculation model correspondingto the at least one element value, with the tax calculation model comprising model parameters, a combination of the at least one element value having a mapping relationship with the tax calculation model; determining a value of a model parameter based on the service; and determining the tax payment amount based on the tax calculation model and the value of the model parameter.

The invention relates to a scientific and technological resource aggregation and continuous service method and device. The method comprises the steps of extracting science and technology entities according to a specific domain knowledge library, and storing the science and technology entities in a to-be-updated science and technology entity library; requesting data from the central science and technology domain knowledge graph by the to-be-updated science and technology entity library; returning a specific science and technology domain knowledge graph according to various parameters in the data request by the central science and technology domain knowledge graph; and fusing the specific science and technology domain knowledge graph with the specific domain knowledge library to update the specific domain knowledge library. According to the invention, the operation and maintenance and resource purchasing costs of knowledge librarys or knowledge service systems in specific disciplines anddomain directions can be effectively reduced, and the knowledge service efficiency is improved; the quality of the knowledge graph in the field of central science and technology can be continuously enhanced, and more accurate data and knowledge services can be provided for more users on the premise of being authorized; the knowledge library can be popularized to the maximum extent, and the coverage and application range of knowledge services in different industries is widened.

The invention discloses a self-pressing device for a glass pressing machine. The device comprises a base, bearing sets, a pressing roller set, a self-pressing device body and a transmission device, the bearing sets are fixed to the base, and the pressing roller set is fixed between the bearing sets; the self-pressing device body is fixed to the two sides, away from the pressing roller sets, of thebearing sets and located on the base, the transmission device is fixed to one end portion of the base and connected with the pressing roller set, and the bearing sets comprise the upper bearing set and the lower bearing set; the pressing roller set comprises an upper pressing roller and a lower pressing roller, and the self-pressing device body comprises a U-shaped truss, a hinge support, a lever, a pressing rod, a connecting rod, a sensor and a lifting device. The self-pressing device is characterized in that the influence of high temperature on the service life, reliability and accuracy ofthe sensor and the lifting device is reduced, the structure is compact, the production cost is reduced, and stable pressure between the upper pressing roller and the lower pressing roller is ensured,so that the thickness of glass is uniform, the qualification rate is increased, and automation control is improved.

The invention discloses a dustproof heat dissipation system and method for a subway vehicle-mounted controller cabinet. The system is composed of a positive pressure dustproof heat dissipation unit, an air distribution heat dissipation unit, a heat pipe heat dissipation unit, a dustproof filter automatic updating unit and a signal processing main control unit. The positive pressure dustproof heatdissipation unit filters air inflow through a fan dust filter screen and exhausts air through a vent hole. The air distribution heat dissipation unit separates hot and cold air in an orderly flow. Thedustproof heat dissipation system is embedded in the vehicle-mounted controller cabinet. When the working temperature exceeds the alarm temperature, the system switches to a traditional negative pressure heat dissipation mode. The TCO of the system is reduced, and the reliability of the system is improved. The fan dust filter screen is used to filter air inflow, and air is exhausted through the vent hole of the cabinet. Positive air pressure is formed in the cabinet, and positive air pressure prevents dust from entering the cabinet. A cabinet air path is designed to separate hot and cold airin an orderly flow, which improves the heat dissipation efficiency. The heat of hot pints of a vehicle-mounted controller is exported through a heat pipe, which is efficient and effective. The systemautomatically updates the dust filter screen, which reduces operation and maintenance and has good performances of dust proof and heat dissipation.

The invention provides a message processing method and system and electronic equipment, and is applied to the technical field of computers. The method comprises the following steps: storing a target message produced by a message producer into a message table of a database; in response to a consumption instruction of the message consumer for the target message in the message table, sending the target message to the message consumer, and transferring the target message from the message table to a confirmation table corresponding to the message table; and if the confirmation instruction for the target message sent by the message consumer is received, deleting the message from the confirmation table, thereby realizing the generation of the message queue by using the database to store the message, realizing the function of providing the message queue by using the database, reducing the difficulty of operating, maintaining and using the message queue by the user, and being simple and easy to use.

Disclosed is a basement bottom plate post-cast strip reserved drainage well rear sealing structure. A water pump is arranged in a drainage well, the upper end of the drainage well is sealed through a covered steel plate, a galvanized steel pipe penetrates through the steel plate, the water pump is connected with one end of an in-well water pipe, and the other end of the in-well water pipe is in butt joint with the lower end of the galvanized steel pipe. The upper end of the galvanized steel pipe is connected with the water pipe outside the well, or the other end of the water pipe inside the well is led out of the drainage well through the galvanized steel pipe and connected with the water pipe outside the well, and a cable hole is formed in the steel plate so that a cable connected with a water pump can be led out to an external power source. A first pouring surface is constructed above the steel plate; a water stop steel plate is constructed between the first pouring face and the bottom plate on the periphery, and a second pouring face is further constructed above the first pouring face. The problem that leakage is prone to occurring during post-sealing of the drainage well is solved, meanwhile, blocking can be conducted in advance, continuous precipitation can be conducted after blocking, and it is guaranteed that follow-up construction is in a waterless operation environment while the anti-floating requirement is met. The invention belongs to the field of engineering construction.