1389results about How to "Easy maintenance and management" patented technology

The invention discloses a distributed user access system and a distributed user access method. The system is positioned between a core network and a service network and comprises flow dividing equipment, and a plurality of user access gateways arranged in a distributed manner, wherein the flow dividing equipment is connected with the core network and is used for collecting data packets transmitted by a user terminal and redirecting the data packets to the corresponding access gateways according to the protocol types and preset forwarding policies of the data packets; and the plurality of useraccess gateways are connected with the flow dividing equipment and a corresponding service server, serve as epoxy nodes to initiate service requests corresponding to the data packets to the service server, and transmit service responses fed back to a user terminal through the flow dividing equipment and the core network. In the distributed user access system and the distributed user access method, which are disclosed by the embodiment of the invention, the functional entities are distributed separately and a uniform coordinated scheduling mechanism of the functional entities is established, so the flexible arrangement of a distributed user access mode is realized and the service expansion and post management and maintenance are facilitated.

The invention relates to an intelligent traffic control system and method based on a wireless Mesh ad hoc network. The control system comprises n traffic control nodes, m ZigBee area base stations, a mobile communication base station and a traffic control center, wherein the n traffic control nodes are positioned in all intersections, and all kinds of equipment in the n traffic control nodes are connected by an RS-232 / RS-485 bus; adjacent nodes realize a wireless Mesh ad hoc communication network by a ZigBee technology and exchange traffic data in real time; remote connection is carried out between each ZigBee area base station and the traffic control center by adopting GPRS / CDMA (General Packet Radio Service / Code Division Multiple Access) data transmission equipment through the mobile communication base station; and m and n are respectively integers of 1-100 and 2-256. The system organically combines an advanced ZigBee short-distance wireless communication technology and a modern intelligent network technology; and the control method of the invention adopts a self-coordinating intelligent distribution type control algorithm and can realize the optimal traffic signal control effect.

The invention relates to lightweight ecological nutrient soil for roof greening and a method for preparing the lightweight ecological nutrient soil. The nutrient soil is made of dry basis raw materials including 10-20% of biogas residues, 5-15% of slag, 10-20% of loess, 25-35% of rice hulls, 15-25% of mushroom residues and 15-30% of pine needle soil, and living earthworms accounting for 0.2-1% of the total mass of the dry basis raw materials. The nutrient soil is light in load, low in volume weight, free from hardening, resistant to trampling, fine in moisture and fertility preserving performance, pollution-free, extensive in source of raw materials, low in cost, simple in production process and easy to popularize.

The invention discloses a credible block generation method, comprising the steps that a block generation node packages transaction data in preset time, generates a new block according to the packaged transaction data and signs the new block according to own identifier of the block generation node; the block generation node sends the new block and own identifier to a verification node; and the verification node verifies a signature according to the own identifier of the block generation node and verifies the transaction data of the new block according to a transaction identifier, and if the verification is successful, the new block is added to a block chain. According to the block generation method provided by the invention, the transaction confirmation time can be reduced, the new block is generated rapidly, and the credible block generation node is convenient for maintenance and management.

The invention discloses a GPRS (General Packet Radio Service) communication-based remote online monitoring system and method for sewage treatment equipment. The monitoring system comprises a field information acquisition control subsystem, an information transmitting subsystem and an information terminal subsystem, wherein the field information acquisition control subsystem and the information terminal subsystem are subjected to data transmission through the information transmission subsystem; the field information acquisition control subsystem comprises a video and monitoring integrated machine, an information acquisition unit and a control unit; the information transmission subsystem comprises field GPRS wireless transmission equipment, a GPRS wireless transmission network and terminal GPRS wireless transmission equipment; the information terminal subsystem comprises a server, a monitoring center, a mobile phone client and / or PC (Personal Computer) client; and the control unit is a programmable logic controller. The monitoring system can be used for monitoring the operation state of the remote sewage treatment equipment in real time and carrying out alarming and preliminary remote diagnosis treatment on operation faults of the sewage treatment equipment. In addition, the system is low in building expenses and high in management efficiency.

The invention discloses a multi-version parallel test method for web pages and a server. A web framework receives a page rendering request which is submitted by a web application for rendering a certain page of the web; before a page rendering engine renders the certain page of the web, a page processing logic is skipped from a page processing module of the web framework and / or a page rendering module of the rendering engine to the same test execution module for executing AB test on the certain page of the web, and a selected reversion scheme of the certain page of the web is returned to the web framework; the web page is rendered according to the selected reversion scheme of the certain page of the web. A high-efficiency and flexible general method for multi-version parallel test of the web page and a system are realized and are suitable for different web frameworks and different rendering engines; the problem of system invasion caused by multi-version parallel test is solved; the multi-version parallel test execution logic can be reused and is convenient to expand; a test strategy can be flexibly adjusted and can dynamically take effect instead of being issued.

The invention relates to the technical field of water environment ecological restoration, in particular to a system for restoring bio-ecological environment of a micro-polluted riverway, wherein a biological contact oxidation module adopts elastic three-dimensional packing or combined packing, the riverway coastal area is provided with emergent aquatic plant floating floors or floating plant floating floors, the upstream and the downstream of the riverway are provided with floating plant purification zones, and the water surface coverage of the floating floors is between 15 and 20 percent; both coasts of the riverway are plated with emergent aquatic plants and the water surface is planted with floating plants, and water areas with more than two times of transparency are plated with submerged vegetations; and sloping fields on both sides of the riverway are planted with un-germinated poplar or willow branches through cottage; and simultaneously, the poplar or willow branches are embedded into sloping banks shallowly and horizontally according to contours in a mode of being bundled up into a bunch of fascines at different positions of the sloping fields. Compared with the prior art, for the ecological restoration and construction, the system achieves self-purification, self-regulation and self-sustaining of pollutants within certain concentration range, and is an effective path for improving water quality under the condition that basin-wide pollutant cutoff cannot be performed at present.

The invention discloses an aeration underground drip irrigation system which comprises a water source, a delivery main pipe (6), a delivery branch pipe (10) and an irrigation capillary (11), wherein abooster pump (5) is connected in series with the delivery main pipe (6). The aeration underground drip irrigation system is characterized in that an aeration chamber (1) is connected in parallel withthe delivery main pipe (6), a micropore aeration part (7) is arranged in the aeration chamber (1), an air compressor (2) is communicated with the aeration part (7) in the aeration chamber (1) througha gas cylinder (3) and a ventilation hose (8) with a one-way valve (9), and a branch ventilation pipe (14) communicated with the aeration chamber (1) is arranged between the one-way valve (9) and a gas flow control valve (13). The aeration underground drip irrigation system can realize the three functions of ordinary underground drip irrigation, aeration underground drip irrigation and simple underground ventilation through water gas supply and valve control, has simple structure, low cost, less energy loss, controllable aeration ratio, wide aeration range, convenient use, management and maintenance and labor saving, and simultaneously can dissolve fertilizer into water, simultaneously irrigate the fertilizer, the water and gas, improve the utilization efficiency of the fertilizer and reduce the pollution for soil and underground water.

A harmless treatment technology for separation and recovery of oily sludge comprises the following steps: 1, conveying the oily sludge to a high solid content treatment device, carrying out preliminary screening on large granule impurities in the oily sludge, and conditioning the sludge; 2, conveying pre-conditioned oily sludge to a three-phase centrifuge, and separating oil, water and mud in the oily sludge; 3, conveying the obtained separated liquid to an oil-water separation device, and further carrying out oil and water separation; 4, inputting the obtained oil phase to an oil storage tank, and inputting water to an oily wastewater advanced treatment system; 5, conveying the obtained solid phase sludge transported to a thermal desorption device, and carrying out heating curing separation and condensation oil-water separation in a thermal desorption treatment process; and 6, conveying water output by the oil-water separation device and water output by the thermal desorption device to the oily wastewater advanced treatment system, and carrying out advanced oil-water separation. The method has the advantages of low cost oily sludge treatment cost, convenient maintenance and management, high efficiency and good stability.

Provided is an uninterruptible power supply system. The uninterruptible power supply system includes a power supply unit including a power supply circuit converting alternating current power into direct current voltage to be supplied to a load apparatus. The uninterruptible power supply system includes a battery unit including a battery circuit. The battery circuit stores direct current power and discharges the direct current power to generate direct current voltage to be supplied to the load apparatus. The uninterruptible power supply system includes a rack in which each of the power supply unit and the battery unit is mounted.

The invention discloses a method for evaluating the system health degree, comprising the following steps: classifying database data; building classified and quantized technical indexes; distributing different data quantitative weights for the data technical index of each database in the classified and quantized technical indexes; obtaining and storing a classified and quantized technical index threshold when the database stably operates according to the classified and quantized technical indexes and the data quantitative weights; collecting the database data; according to the collected database data, calculating the classified and quantized technical indexes; and comparing the classified and quantized technical indexes with a prestored classified and quantized technical index threshold toevaluate the system health degree. The invention also discloses a system for evaluating the system health degree. By the method and the device, the efficiency and the monitoring quality for evaluating the system health degree can be improved, and the database is convenient to maintain and manage.

The invention discloses a planting and raising system of ecological circulating water as well as a planting and raising method using the planting and raising system, belonging to the technical field of ecological agriculture. The system comprises an aquaculture area and / or livestock breeding area, a live food culturing area, an auxiliary aquaculture area, a fertilizer feeding area, a crop planting area, a submerged plant cultivating area, a filtering area and a sterilizing-activating area, wherein the aquaculture area and / or livestock breeding area, the live food culturing area, the auxiliary aquaculture area, the fertilizer feeding area, the crop planting area, the submerged plant cultivating area, the filtering area and the sterilizing-activating area form a water circulating body by means of circulating waterways arranged. The invention is an high-efficient and energy-saving planting and raising system integrating the aquaculture, the crop plantation and the solar comprehensive utilization.

The present invention relates to an internal combustion heated biomass gasification furnace. Its structure is characterized by that it adopts a cylindrical furnace body, in the furnace body interior a coiled internal combustion pipe is set, the internal combustion pipe inlet is positioned in the lower portion of said cylindrical furnace body, and its outlet is extended to the exterior of furnace body from the top portion of cylindrical furnace body, its igniter is positioned in the internal combustion pipe inlet; over the cylindrical furnace body a helical feeding mechanism is set, its helical feeding hole is positioned on the eccentric position of cylindrical furnace body top portion, on the centre axis position of said cylindrical furnace body a stirring shaft with stirring blades is set, on the inside wall of cylindrical furnace body several layers of baffle plates are set, the combustion-supporting air inlet is set in the top portion of said cylindrical furnace body, and the gas outlet in the furnace body is positioned in the lower portion of said furnace body.

This invention relates to one payoff method based on internet, which comprises the following steps: customer visit payoff platform downloading safe plug; safe plug gets customer host information and connects contract require to platform; the back of plug tests its validity and records its machine information; safe plug judges whether the customer machine uses agent or remote control; if yes, thendenying the payoff requires. This invention also provides one payoff system and platform.

The invention relates to a method for constructing an agricultural drainage and ecological purification system. The method comprises the following steps that: an elliptic ecological buffer area is formed at the tail end of an agricultural drainage channel and before an agricultural drainage culvert pipe; aquatic plants which can easily absorb N and P nutrient elements are planted in the ecological buffer area; an agricultural drainage ecological purification barrel is arranged in the agricultural drainage culvert pipe; a biological purification ring is arranged on the ecological purification barrel; water drained out of a farmland flows through the ecological buffer area by the agricultural drainage channel; certain suspended pollutants are settled and intercepted by staying for a certainperiod of time in the ecological buffer area to achieve a preliminary water purification effect and the effect of controlling the flow rate and the retention time; and larger suspended sundries are further intercepted by a wire mesh at the front end of the agricultural drainage ecological purification barrel before the water drained out of the farmland flows into the agricultural drainage ecological purification barrel to ensure that the inside of the purification barrel cannot be blocked. The method has the advantages that: the N and P nutrient elements in the water drained out of the farmland is effectively reduced by an ecological method in combination with the construction of the agricultural drainage culvert pipe, so that a receiving water body is prevented from being eutrophicated.

The invention discloses a fragmentation separation process flow for an end-of-life automobile body. The fragmentation separation process flow for an end-of-life automobile body can realize that an end-of-life automobile body is gradually fragmented into fragments having preset sizes by a two-step fragmentation method so that follow-up material sorting and recovery can be carried out conveniently. A sorting process of the fragmentation separation process flow for an end-of-life automobile body realizes separation and recovery of light materials, magnetic metal materials, non-ferrous metal materials, micro-powder materials, glass, rubber and plastic obtained by automobile body fragmentation by targetedly and orderly carrying out negative pressure-cyclone separation, magnetic sorting, eddy current sorting and drum screening according to material composition of the end-of-life automobile body. The fragmentation separation process flow for an end-of-life automobile body has the advantages of high automation degree, low noise, no dust, no exhaust gas, friendly work environment, high equipment sorting classification efficiency, simple and flexible configuration, and convenient management and maintenance. The fragmentation separation process flow for an end-of-life automobile body is a novel process flow used for an automobile disassembly industry of China.

The invention discloses a wastewater treatment process monitoring system based on a wireless network. The wastewater treatment process monitoring system based on the wireless network comprises an industrial wireless sensor network, an industrial wireless local area network and a wireless wide area network. The industrial wireless sensor network is responsible for collecting information of field devices of each process of the wastewater treatment. The industrial wireless local area network is responsible for processing the information which is sent by the industrial wireless sensor network and returning the processed data to the field devices at the same time. The wireless wide area network is responsible for transmitting and replying remote monitoring application and sending stoppage information to appointed technical people automatically at regular intervals during the period from stoppage occurrence to stoppage resolution. A traditional distributed collecting and distributing control system is updated to a network control system through different wireless networks, and therefore wireless remote real-time monitoring is truly realized.

The invention relates to a lifting touch screen shoe-selection intelligent shoe cabinet (room) which comprises a shoe cabinet body, an elevator mechanism, a computer control system, a touch display screen, a camera and the like. The inside of the shoe cabinet body is of a multilayer stereochemical structure which is of a shape of a Chinese character ''fei''; the elevator mechanism is positioned at the middle part of the stereochemical structure which is of a shape of a Chinese character ''fei''; each layer is provided with two rows of shoe placing units; a cabinet door is arranged at the right front side of the shoe cabinet body; the middle part of the cabinet door is also provided with a window for storing and taking shoes and a window door which is controlled by the computer control system to be opened and closed; and the touch screen display screen is arranged above the window door. The lifting touch screen shoe-selection intelligent shoe cabinet (room) has high shoe storing and placing speed, is simple and convenient to operate and is stable and reliable; when being stored and placed, the shoes are very conveniently selected only by overturning the touch display screen to visually display related information such as shoe pictures, the empty and full condition and the like; and the automatic storage and placement of the shoes can be implemented by touching the screen. The lifting touch screen shoe-selection intelligent shoe cabinet (room) has functions of detecting whether the shoes enter the elevator mechanism when the shoes are stored and analyzing the shapes of the shoes; and once the shoes are automatically sensed, the elevator mechanism is immediately started to take in the shoes and the shoes are automatically sorted and numbered to be stored according to the types of high boots, middle boots and common shoes.

The invention discloses a device, a system, and a method for implementing ID authentication.. Based on the prior ID authentication technique, the binding of the user ID and the user equipment is implemented by means of the measurement certification or the ID authentication, or the attack to the user ID is blocked by means of the combination of the measurement certification and the ID authentication, so that the security of the ID authentication is improved, the benefit of the authorized user is protected and the problems of man-in-the-middle attack and session hijack are solved. Furthermore, the ID authentication system is compatible to various prior ID authentication systems, works without needing to modify the prior ID authentication system, reduces the investment cost, facilitates the management and maintenance, and greatly improves the security of the ID authentication system.

The invention discloses a sewage denitrogenation treatment method of an artificial quick percolation system and an application thereof. Aiming to overcome the disadvantages of the prior art that the total nitrogen index of domestic sewage treated by an artificial quick percolation system can not reach the I-A criteria of the Discharge Standard of Pollutants for Municipal Sewage Treatment Plant (GB18918-2002), the invention provides the sewage denitrogenation treatment method. The method channels sewage undergoing predeposition treatment into an artificial quick percolation pool filled with river sand, marble sand and crushed stone by means of two water distribution pipes; nozzles of the water distribution pipes are respectively positioned at the top of the upper surface of a percolation layer and inside a percolation medium; and sewage undergoing purification treatment flows out through an overflow water outlet. Compared with the prior art, the sewage denitrogenation treatment method has high total nitrogen removing efficiency, and treated sewage meets the I-A criteria in the Discharge Standard of GB18918-2002; moreover, the method has flexible process, low investment, less energy consumption, low operating cost and convenient maintenance and management, and is particularly suitable for the treatment of rural domestic sewage.

The invention relates to a dc cophase power supply device of a railway traction based on symmetric transformation of three-phase serial voltage sources. The full three-phase input voltages are divided into a plurality of independent lower voltages to form power units, thereby recombined adjusting resource is formed. A single-phase ac output is formed by serial superposition after the rectification-energy storage filter-inversion transformation of each power unit, a negative sequence current is eliminated, the power factor is improved and the harmonic wave is eliminated by using multiple principles of the input and the output. The device can realize the cophase power supply of a railway traction, make fully use of the capacity of the circuit and device, reduce the damage to the power supply system from the reactive current and harmonic wave, decrease the loss, reduce the pollution to the environment, greatly improve the reliability of train and reduce the operation, management and maintenance cost. The device is convenient to apply, and is suitable for requirement of high speed and overloading development.

The invention discloses a multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method. The method sequentially comprises the following steps of: (1) introducing sewage to be treated into a grille regulating tank through a water inlet pipe; (2) dividing the water after pretreatment by the grille regulating tank into two lines, wherein one line leads to an aeration tank and the other line leads to an anoxic tank; (3) sending the water in the anoxic tank into an aerobic tank; (4) dividing nitrified water after nitrification treatment in the aerobic tank into two lines, wherein one line returns to the anoxic tank, and the other line flows into a precipitation tank to perform mud-water separation; and (5) lifting sludge through a sludge lifting device, transporting the residual sludge to the outside through a sludge discharge pipe after passing through a sludge treatment system, and returning the sludge after lifting into the aeration tank. The method disclosed by the invention is suitable for new and transformation upgrading projects of high-ammonia nitrogen village and small town / industrial sewage treatment works, has the advantages of simplicity and convenience in management and maintenance, low cost, good treatment effects, strong nitrogen removal effect and the like, and is less affected by climatic conditions.

The present invention discloses a deep exploitation wall temperature-dropping equipment. It includes ground machine unit A and underground machine unit B, and is characterized by that the ground machine unit A includes compressor, condenser, expansion valve and evaporative condenser, in which the inlet of compressor is connected with outlet of evaporative condenser, the outlet of compressor is connected with inlet of condenser, and the outlet of said condenser is connected with inlet of evaporative condenser by means of expansion valve. The underground machine unit B includes underground heat exchanger and air feeder, in which the bottom heat-exchanging working medium outlet of said evaporative condenser is connected with inlet of underground heat exchanger, and the outlet of underground heat exchanger is connected with top heat-exchanging working medium inlet of the evaporative condenser.

The invention relates to wireless control for traffic lights. The invention provides a wireless control system with the advantages of economy, flexibility, reliability and high efficiency through using the current latest micro-power wireless communication technology with high integration and reliability, in order to overcome the following shortcomings in the prior control system of traffic lights of large bulk, high cost, inconvenient assembly, maintenance and use. The invention uses a plurality of traffic light control modules with high integration directly connected with traffic lights and dispersedly mounted in different directions at the same intersection to replace a crossing machine performing concentrative control to the traffic lights of the whole intersection, and allows the dispersed control modules to organically connect together to realize working in harmony through the wireless way. The wireless control system not only significantly reduces construction cost and maintenance cost of the system, convenient to assemble and use, but also remarkably improves traffic management level of the whole city.

The invention discloses a device and a method for processing restaurant wastewater. A ferrallitic sheet is used as an anode and a graphite sheet is used as a cathode to carry out pulse direct current electrolysis on the restaurant wastewater so as to cause an electrocoagulation reaction; simultaneously ultrafine ozone bubbles are fed into an electrocoagulation reaction region to strengthen the electrocoagulation reaction, so that ferrous irons Fe2+ generated in the electrolysis process is rapidly converted into ferric irons Fe3+, the volume of flocculate becomes larger and the flocculate precipitates more efficiently to remove most of pollutants in the wastewater; sludge generated in the electrocoagulation process enters an activated sludge reactor and a sludge concentrating and extruding device; and clear water containing a little amount of organic matter enters an aeration-ozone-ultraviolet combined treatment degradation tank and a photocatalyst micro filtration membrane, and finally outflows through a fine porous sand filtering tank. The produced water can reach the primary standard in the industry. The processing method has high impact-load resistance. The outlet water quality is stable. In the engineering, consumables have long service life. Therefore, the processing cost of the restaurant wastewater can be greatly reduced.

The invention relates to a concentrated harmless treatment method for excrement of the breeding industry, particularly relates to a method for concentrated harmless treatment of livestock excrements to produce methane and an organic fertilizer and harmless treatment of sick and dead animal bodies to produce the organic fertilizer, and belongs to technique and equipment required in the fields of resources and environments. The method comprises four parts of excrement treatment, production of the organic fertilizer, treatment of sick and dead livestock, and intelligent control; the four parts are mutually related and mutually complement functionally, the methane can provide energy to conveniently realize high temperature sterilization, the fermentation of the organic fertilizer also requires the temperature, meanwhile, an organic fertilizer fermentation strain is also helpful for making the fertilizer through fermenting the sick and dead livestock in the later period, and the intelligent control is central nervous of the system, and has huge actions on efficient treatment and improvement of the treatment efficiency. The treatment method is reasonable in structure, the system is equipped, intelligent and efficient, and the method is suitable for popularization and application.

The invention discloses file synchronization method capable of accurately monitoring file changes in a catalog folder. The file synchronization method capable of accurately monitoring the file changes in the catalog folder is used for synchronizing the file changes in the catalog folder of a first terminal with a second terminal. The file synchronization method capable of accurately monitoring the file changes in the catalog folder comprises a first step of starting a monitoring thread on the first terminal, wherein found and obtained changing information of changed files is stored in a chain table in sequence by the monitoring thread, and a position point of each changing information is recorded in the chain table by means of change array, a second step of opening a notifying thread at regular time, wherein the notifying thread captures and analyzes team head changing information at the head of the chain table according to the position points, and stores the team head changing information which does not belong to filtering files in a synchronizing dictionary, a third step of starting a working thread, wherein changing information in the synchronizing dictionary is synchronized to the second terminal one by one, corresponding information among change arrays, the chain table and the synchronizing dictionary are eliminated, and repeating the second step and the third step till the changing information in the chain table does not exist. The file synchronization method capable of accurately monitoring the file changes in the catalog folder has the advantages of improving the efficiency of file monitoring, and being high in accuracy of file synchronization.

The present invention relates to a culture method of loquat, in particular. It is applicable to potted loquat. Said culture method includes the following four stages: seedling cultivating stage, grafting stage, potting stage and bloom-promoting fruit-keeping stage. Said invention also provides the concrete measures and steps of every stage.

The invention provides a method, a device and a system for sharing a storage pool by a cluster. The method comprises the following steps of: configuring a global file system (GFS) to be shared by the cluster based on a storage area network (SAN), and processing reading-writing operations of each client node in the cluster in parallel; and mounting a part of subareas in the global file system to a local server for the reading-writing operations according to needs by using each client node in the cluster. In the method, a network level high-efficiency data sharing way is provided, the parallel file reading-writing of a plurality of users is supported, and flexible online capacity expansion and data equilibrium distribution technologies are supported.

The invention discloses a cloud-storing based radio frequency identification (RFID) group tag ownership transferring method which is carried out through the following steps: (1) initializing data; (2) using an old owner reader to obtain group tag information; (3) checking the integrity of group tag members; (4) using a new owner reader to obtain group tag information; (5) using a group tag to indirectly authenticate the old owner reader; (6) using the new owner reader to authenticate the group tag; (7)judging and comparing if the added-up number (m) is equal to the number (n) of group tag members; (8)using the group tag to authenticate the new owner reader; (9) transferring the ownership of the group tag; according to the method provided in the invention, a cloud server is adopted to store tag data, making the transferring of the ownership of a group tag free from geological restrictions. The method can be widely applied and is compatible with a mobile reader. With the method, the ownership of a plurality of tags can be transferred at a time. The method is characterized by high flexibility and high efficiency as well.