159results about How to "No manual maintenance" patented technology

The invention relates to a multifunctional ecological purification system for large-scale circulation breeding water, which is used for exchanging water in a pond and purifying the breeding wastewater in the pond. The purification system comprises an efficient precipitation and filtration region, an ecological breeding purification region, an artificial wetland purification region, a water collecting pond and an automatic water quality monitoring and regulating device, wherein the efficient precipitation and filtration region, the ecological breeding purification region and the artificial wetland purification region are used for purifying a water body, and the automatic water quality monitoring and regulating device is used for monitoring the quality of the water body in the purification system and controlling operation of the purification system. Compared with the prior art, the system can be used for automatically monitoring the water quality in the system, so that water in the pond can satisfy the requirements of aquaculture water after being subjected to circulation treatment of the purification system. Meanwhile, aquatic animals and plants and bottom mud generated in the purification system can be recycled. The system provided by the invention can be applied to purifying large-scale aquaculture wastewater and has good economic and environmental benefits.

The invention discloses a vegetation restoration structure of a discarded metal mine. The vegetation restoration structure is in a shape of a stair. Each step comprises a lime layer, a straw layer, a soil replacement layer, a drainage channel and a soil blocking slope, wherein the lime layer is positioned at the bottom layer, and the thickness of the lime layer is 5-8cm; the straw layer is positioned on the lime layer; the soil replacement layer is positioned on the straw layer, serves as the main body layer and contains organic fertilizers and compound fertilizers; the drainage channel is positioned on the side close to the hillside; the soil blocking slope is positioned on the side far away from the hillside and formed by stacking soil replacement bags. The invention further discloses a vegetation restoration method of the discarded metal mine. The vegetation restoration method comprises the steps of finishing the mine slope of the discarded metal mine into the shape of the stair; building drainage ditches and channels; stacking the soil replacement bags; paving the lime layers, straws and soil displacement; planting trees resistant to acid and barren or pioneer herbaceous plants; and the like. According to the vegetation restoration method of the discarded metal mine, stream flows are effectively dredged to prevent acid water from polluting mine soil, oxygen consumption layer is established to effectively inhibit the oxidation of sulfide, therefore, soil acidity is reduced, polluted mine soil is repaired, and the effect of repairing the mine soil, restoring vegetation and greening and protecting the environment is achieved.

The invention discloses a geomagnetic vehicle detector based on NB-IoT technology and a detection method thereof. The geomagnetic vehicle detector comprises a geomagnetic detection module, wherein thegeomagnetic detection module is used for carrying out in-situ detection on a vehicle on a parking space by utilizing the disturbance of geomagnetic signals on the vehicle during parking; a radio-frequency radar detection module used for transmitting radio-frequency signals, mixing the radio-frequency signals with reflected echoes of the radio-frequency signals, and detecting the vehicle on the parking space in situ by detecting the mixed signals; an MCU control module used for processing the data acquired by the geomagnetic detection module and the radio-frequency radar detection module, carrying out vehicle parking and departure service judgment, and carrying out data interaction with a remote background server through an NB-IoT module; and an NB-IoT data communication module used for enabling the geomagnetic vehicle detection terminal and the remote server to perform data interaction by utilizing an operator NB-IoT network. According to the invention, the parking space state of thevehicle is intelligently detected aiming at the parking space state detection, so that the parking space monitoring of an unmanned parking lot can is completely achieved.

The method for heating a screw cylinder of a spinning machine, designed by the invention, specifically comprises that: for the screws equal to [phi]105 millimeters and below [phi]105 millimeters, electromagnetic heating is implemented in each heating region by using 220V power source; three-phase four-wire 380V power source is utilized to power apparatus above [phi]105 millimeters, and 2-4 electromagnetic heating coils are utilized to heat in each hearing region; an electromagnetic controller rectifies alternating current to direct current and converts the direct current into high-frequency current having frequency of 20-40KHz; when magnetic lines of force pass through the screw cylinder of a magnetically conductive metal material, numberless small vortexes are generated in the metal so that material in the screw cylinder reaches ideal heating effect. The screw cylinder device resulted from the invention makes use of electromagnetic induction principle to heat the screw cylinder and is provided with a heat preservation layer, a heat insulation layer and the like outside of the screw cylinder, thus solving the problem that heat is dispersed to air to maximize heat efficiency.

A real-time SLAM scene map constructing system, a navigation system and a method are disclosed. The system overcomes a difficult problem of real-time map constructing for SLAM navigation systems whenscene changes are large, such that a robot can obtain accurate positioning information in a changed scene. The real-time SLAM scene map constructing system includes at least two independent SLAM mapping subsystems having fixed spatial locations. The SLAM mapping subsystems are configured to send spatial geographical location information and collected local scene map information into which a timestamp is added to a core server. The core server is configured to determine the relative location relationship among local scene maps having same timestamps according to the spatial geographical location information of the SLAM mapping subsystems, thus fusing the local scene maps having same timestamps to generate a real-time overall SLAM scene map.

This invention relates to a RSS information interaction method based on XML file, which first of all gets the URL corresponding to the RSS information, then reads the value data corresponding to the RSS information to sort it and determine the degree of correlation of the RSS information and sets up an index database, in which, the terminal selects information kind, the service end generates the ordered RSS information list, mounts an applied program, transmits terminal information, verifies terminal information, reads, analyzes and displays the RSS information.

The embodiment of the invention discloses a protective circuit. The protective circuit comprises a transformer, wherein a secondary winding of the transformer is connected with a device 10; primary windings of the transformer are connected with an external connection line a and an external connection line b; a high-pass filtering device 30 is connected between the external connection line a and the primary winding c of the transformer; a high-pass filtering device 50 is connected between the external connection line b and the primary winding d; a protective device v1 and a protective device v2 are connected between the external connection line a and the external connection line b; an earth wire is arranged between the protective device v1 and the protective device v2; and the protective device v1 and the protective device v2 are positioned among the high-pass filtering device 30, the high-pass filtering device 50, the external connection line a and the external connection line b. The embodiment of the invention also discloses communication equipment with the protective circuit and a method for protecting the communication equipment. The protective circuit realizes low voltage protection through the high-pass filtering devices, realizes high voltage protection through the protective device v1 and the protective device v2, and can well protect the device on the secondary side of the transformer without labor maintenance.

The invention discloses a rule synchronous processing method. The method comprises the steps of setting a first monitoring thread for monitoring a rule server, wherein the first monitoring thread is used for receiving gray rule change information; after change information that a gray rule in the rule server is changed is received according to the first monitoring thread, regenerating rule configuration file information corresponding to the change information in a rule mode required by a gray system; and after the rule configuration file information is generated successfully, carrying out automatic starting, thereby enabling the rule configuration file information to take effect. The invention also discloses a rule synchronous processing system, the rule server and a gray server. The problem that in related technologies, after a gray release system makes a distribution rule of a rear end service server, the rule needs to be manually configured by operation and maintenance staff is solved. The gray rule in the rule server is automatically monitored by the monitoring thread, the artificial maintenance is avoided, and the user experience is improved.

The invention relates to a pretreating device of an online water quality analyzer. By adoption of the pretreating device, the problems in the prior art that a sampling control valve is easily damaged, a filter is more easily blocked, and the use place is limited by tap water are solved. The pretreating device comprises a water feeding pipe, a water discharging pipe, a primary filter, a precise filter, an ejector, a pipeline branch part, a normally closed electromagnetic valve, a first normally open electromagnetic valve and a second normally open electromagnetic valve; the water feeding pipe is connected with a first opening of the pipeline branch part by the primary filter; a second opening of the pipeline branch part is connected with a spraying nozzle of the ejector by the normally closed electromagnetic valve; a diffusion chamber of the ejector is connected with the water discharging pipe; a third opening of the pipeline branch part is connected with an inlet / outlet under a precise filter by the first normally opened electromagnetic valve; the inlet / outlet under the precise filter is also connected with a suction chamber of the ejector by the second normally open electromagnetic valve. The pretreating device has the beneficial effects that a water sample filtered by two stages can be supplied to the online water quality analyzer in real time, and separated automatic cleaning of two stages of filtering nets can be realized.

The invention provides a magnetic photocatalysis resource recycling type artificial adsorption floating bed which is formed by stacking a photocatalysis layer, a magnetic nitrogen removal adsorption layer and a magnetic phosphorus removal adsorption layer sequentially from top to bottom, wherein the photocatalysis layer suspends over the water surface; and the magnetic nitrogen removal adsorption layer and the magnetic phosphorus removal adsorption layer are immerged in the water surface. The magnetic photocatalysis resource recycling type artificial adsorption floating bed provided by the invention can be thrown for use simply and does not need artificial maintenance at ordinary times; the secondary function recovery can be realized through simple water flushing and sunlight exposure and secondary spraying; and the waste matrix material such as sludge and straw is prepared by the technical means such as exposure and ultrasonic dispersion without addition of any chemical raw materials which can cause secondary pollution, and new environmental pollution is avoided. The magnetic photocatalysis resource recycling type artificial adsorption floating bed has the advantages that the investment cost is low, secondary pollution is avoided, the resource utilization and green recycling of the industrial and agricultural wastes are realized by consuming the sludge of river channels.

The invention discloses a sludge SV30 and SVI remote on-line monitoring device and method. The device comprises an acquisition device, a sedimentation device, a cleaning device and a monitoring feedback device, wherein the acquisition device comprises a micro power pump, a check valve and a sludge pipeline; the sedimentation device is a transparent vertical vessel and comprises a sludge concentration meter sensor; the cleaning device comprises a micro-power pump, a check valve, an electric valve, a clear water pipeline and a blow-off pipeline; the monitoring feedback device comprises an imagesystem; and the image system has the functions of shooting, storing and transmitting. According to the sludge SV30 and SVI remote on-line monitoring device and the operation method, the SV30 and the SVI can be obtained by using the simplest device, and the real-time SV30 and the SVI of each set of equipment can be obtained skillfully through monitoring without going to an equipment site, so that the operation and maintenance time is greatly shortened, and the operation and maintenance efficiency is improved.

The invention discloses an interface method of power-plant factory level monitoring information system and dispersion control system (SIS and DCS), which is characterized by the following: adapting EURO-4572 mode and Modbus serial port to connect protocol; making SIS system and DCS control system accomplish data communication. The invention can transmit the data of DCS control system to SIS / MIS system effectively, which guarantees the safety of DCS control system against the attack of hacker and virus.

This patent discloses a water treatment method for recirculating aquaculture. The method includes the following steps: step A, culture water discharged from a culture pond passes through filter equipment to remove water-insoluble dirt; step B, the culture water passes through a protein separation device to remove soluble protein in water; step C, the culture water passes through purification equipment for removal of harmful substances in water and sterilization; step D, the culture water passes through reduction equipment for supplementing of trace elements; step E, the culture water passes through first-stage fine filtration equipment to remove small impurities and flocculent precipitates in water; step F, the culture water passes through second-stage fine filtration equipment to remove excess cations and strong oxides in water; step G, the culture water passes through temperature control equipment for water temperature adjustment; and step H, the culture water passes through oxygen increasing equipment for oxygen increasing, and then enters the culture pond. The method and equipment can purify and reduce culture water, kill pathogens in the water body, reduce the content of ammonia nitrogen and nitrites, and remove harmful substances in the water body.

The invention discloses a rack gear power generator comprising power generation devices, a cylindrical buoyant box, two fixed pulleys, a movable pulley, a cylinder body cavity and a counter weight in the cavity, wherein the cylindrical buoyant box is connected with the counter weight in the cylinder body cavity through a first fixed pulley, the movable pulley and the second fixed pulley in sequence. The rack gear power generator also comprises a meshing device arranged between the movable pulley and the second fixed pulley; and the meshing device comprises a rack, a first gear and a second gear which are symmetrically arranged at the left end and the right end of the rack, as well as a first spring and a second spring which are symmetrically arranged at the left end and the right end of the rack, wherein the first gear and the second gear are respectively connected with one power generation device. The rack gear power generator is capable of generating power by wave, simple in structure, high in efficiency, strong in adaptivity to water depth, and low in manufacturing and installation costs, and can be used for long time without manual maintenance.

A backwash self-cleaning ventilation device comprises a fresh air host arranged in a room and a filter box mounted outside the room. The filter box and the fresh air host are connected into a whole body through a connecting module, the indoor fresh air host comprises a screen shell body and a temperature probe, fan blades and a fan blade motor are mounted in the screen shell body, and the fan blade motor and the temperature probe are connected with a control system; the connecting module is a flange connecting part; the outdoor filter box comprises a protection screen box, a filter screen support is mounted in the protection screen box, a filter screen is mounted on the filter screen support, a cleaning brush and a brush motor are mounted in the protection screen box, the cleaning brush is in contact with the filter screen, and the brush motor is connected with the control system; and according to the scheme, use and mounting are easy and convenient, the device can be subject to self cleaning while the site required to be ventilated is provided with a filtering ventilation device, the cost spent by the situation that in the later period, maintaining of the ventilation device needs a large amount of manual work is removed, and the device is energy-saving and environment-friendly.

The invention discloses an apparatus and a method for realizing automatic optical fiber distribution. The apparatus comprises an optical fiber distribution frame. An optical fiber distribution disc, apolar coordinate robot and a front end controller are arranged in the optical fiber distribution frame. The front end controller receives a command from a background server. Through the polar coordinate robot, connector plugging and unplugging are automatically completed, connection between an input optical fiber and an output optical fiber is established, and opening of a required service is completed. The apparatus and the method have the advantages that manual maintenance is not needed and automatic distribution is performed; remote control is achieved; and when a service is opened, a worker does not need to go to the scene to plug and unplug a jump fiber and arrange a jump fiber cable, and background control can be performed to achieve the purpose.

Provided is an on-line temperature measuring device for monitoring the connecting portion between a ring main unit and a 10 kV cable head. A wireless temperature sensor is arranged at the connecting position of the cable head and makes direct contact with a metal heating unit for acquiring data, the data are transmitted to an information collector arranged on the inner wall of the ring main unit through a wireless transmission technology, and the data are sent to a main control chamber through the wireless transmission technology after being processed by the information collector, wherein according to the arrangement structure of the wireless temperature sensor, a temperature measuring hole is formed in the rear of an European-type plug at the connecting position of the 10kV cable head, the bottom of the temperature measuring hole makes direct contact with threads of the European-type plug and is connected with the back of a metal conductor, the wireless temperature sensor is placed at the bottom of the temperature measuring hole and closely attached to the back of the metal conductor, and a hole between the wireless temperature sensor and the opening of the temperature measuring hole is filled with epoxy resin to ensure insulativity. The device overcomes the defect that in the prior art, contact-type temperature measurement can not be performed while the ring main unit operates, and the accuracy and the reliability for temperature measurement are greatly improved.

The invention discloses a distributed close-range panoramic monitoring terminal and system for beach birds and a layout method. The system comprises a remote server and a plurality of monitoring terminals which are distributed according to a Voronoi diagram algorithm. Each monitoring terminal is responsible for photographing of recording rest and activity behaviors of the beach birds and caching captured images or videos. Each monitoring terminal directly uploads the captured images or videos to a wireless signal tower and the wireless tower transmits signals to the remote server, or each monitoring terminal sends the acquired images or videos to other monitoring terminals first and then the other monitoring terminals forward the signals to the wireless signal tower, and the wireless signal tower forwards the signals to the remote server. The close-range panoramic monitoring of beaches can be achieved with minimal impact on an environment.

The invention relates to an atmospheric pollutant treatment technology which comprises the steps: A) gas feeding: inflating waste gas to be treated into a waste gas pretreatment device; B) flock removal: making the waste gas pass through an automatic flock removing mechanism to remove flocks in the waste gas; C) heat exchange: making the flock removed waste gas pass through a gas-liquid heat exchange mechanism to exchange heat with the gas-liquid heat exchange mechanism to reduce the temperature of the waste gas; D) wax removal: making the heat exchanged waste gas pass through a wax and impurity removing mechanism to remove wax in the waste gas; E) primary deodorization: making the wax removed waste gas pass through a primary microbubble deodorizing mechanism to primarily deodorize the waste gas; F) electrostatic adsorption: inflating the primarily-deodorized waste gas into a purifying tower from bottom to top and removing lamp black and particles in the waste gas through an electrostatic adsorption device; G) deep deodorization: making the electrostatically-adsorbed waste gas pass through a micro-nano bubble deep deodorizing mechanism from top to bottom to achieve deep deodorization; H) terminal treatment: making the deep-deodorized waste gas pass through a terminal white steam removing mechanism from bottom to top to remove white steam; I) discharge.

The invention discloses a suspended river particle collector. The suspended river particle collector comprises a collecting tank fixedly connected above a riverbed, wherein the collecting tank comprises a tubular structure formed by a top plate and two side plates in an enclosing manner; the back end of the tubular structure is closed; a water inlet tap is fixedly connected to the front end of the tubular structure; the water inlet tap is shaped as a triangular pyramid; one side surface of the triangular pyramid and the top plate are positioned in the same plane; a water inlet is formed in a vertex, away from the tubular structure, of the right-angled triangular pyramid; a water outlet is formed in a position, near the back end of the tubular structure, of the top plate. The suspended river particle collector has the beneficial effects as follows: the suspended river particle collector can achieve accurate and rapid collection of suspended river particles, and has the characteristics of simpleness, convenience, and no need of human maintenance.

The invention discloses a treatment method for aquaculture sewage discharge. The treatment method comprises the following steps: step A, carrying out primary purification on aquaculture sewage discharged from the bottom of an aquaculture pond through a precipitation filtration device for removing suspended particles, excrement and other dirt which are not dissolved in water; step B, carrying out purification on the aquaculture sewage through a purification device for removing harmful substances such as ammonia nitrogen, nitrites, heavy metals, antibiotics and the like in the water, and carrying out sterilizing; and step C, enabling the aquaculture sewage to pass through a reduction device for removing fine impurities, flocculent precipitates formed by colloidal proteins, excess cations andstrong oxides in the water, and directly discharging the aquaculture sewage subjected to purification and reduction treatment into a natural water body through a water outlet. According to the treatment method provided by the invention, the aquaculture sewage can be rapidly purified and reduced, germs and viruses in the water body can be killed, the content of the ammonia nitrogen and the nitrites is reduced, harmful substances in the water body can be removed, and the treated water can be directly discharged into the natural water body.

The invention discloses a virtual duty device for wireless communication, which consists essentially of a watchdog circuit, a delay circuit and a power circuit. The watchdog circuit detects the state of a system, when the system breaks down, the watchdog circuit generates a trigger level to trigger the delay circuit to cut off the power of a system power and carries out timing at the same time; when the set timed time is over, the delay circuit controls the power circuit to provide the equipment with electricity, thus completing the process of re-providing the electricity to the equipment for once only. The device adopts a method combining software and hardware and detects the operation status of the equipment by the software, therefore, when the equipment breaks down, the software controls special hardware functional modules to provide the electricity to the equipment again so as to ensure the stable operation of the system. In practice, the equipment adopting the device does not need to be maintained by manpower, thus greatly saving manpower, financial resources and material resources.

The invention discloses a protective structure for preventing and controlling a riverway concave bank from being eroded. The protective structure comprises an overflow weir formed through double-layerinlaying, a protective arm and dam abutments formed by inlaying large dimension stones. The relatively higher protective arm is arranged on the concave bank side prone to erosion of a riverway, and the relatively low overflow weir is arranged at the center of the riverway, so that river water is centralized in the overflow weir and a protection-free convex bank to flow through a river bend, flowing of the river water close to the concave bank is retarded, the shear stress at the concave bank is reduced, silt at the concave bank is prevented from being eroded by the river water, meanwhile water level rise before the overflow weir is quick, a scour pit is formed behind the weir, pressure gradient is formed on a river bed due to water level difference, and surface water and underground waterexchange is promoted. Compared with a traditional method, the protective structure is low in cost and long in service life, can also prevent the concave bank from being eroded, promotes surface waterand underground water exchange, thus improves the self-cleaning capacity of the riverway, relieves riverway pollution and has a wide application prospect in the fields such as channel improvement ofriverway and mountainous area drainage basins.

The invention discloses a karst tunnel drainage type drainage system. The system comprises drill holes, a drainage network, drainage pipes and a tunnel drainage ditch, wherein the drill holes are downtilt drill holes, the drill holes are the downtilt drill holes formed through drilling from a tunnel arch wall into a karst development area, the drainage network is located at a soil body or rock mass near the bottom ends of the drill holes, at least part of the drainage network is located in the karst development area, the drainage network comprises a plurality of cracks, water permeable concrete fills the cracks, all the cracks communicate with one another, the drainage pipes are laid in the drill holes, water inlets of the drainage pipes communicate with the drainage network, water outletsof the drainage pipes communicate with the tunnel drainage ditch, the elevations of the water inlets of the drainage pipes are lower than the elevations of the water outlets of the drainage pipes, and the elevations of the top ends of the drill holes are higher than the elevations of the water outlets of the drainage pipes. According to the karst tunnel drainage type drainage system, the siphoniceffect is utilized, so long as underground water is converged, redundant underground water in the tunnel surrounding rock can be automatically and efficiently discharged out in real time, no externalpower is needed, and manual maintenance is not needed.

The invention relates to a self-cleaning mechanical filter, which comprises a filter element and a barrel. The filter element is arranged in a filtering cavity of the barrel, a water inlet cavity with a water inlet is arranged at the bottom of the barrel, a water outlet is arranged on a side wall of the barrel, the water inlet is communicated to the water outlet via the water inlet cavity, the filter element and the filtering cavity respectively, a backwashing elbow is disposed in the water inlet cavity, the backwash elbow can be rotationally communicated with the filter element or the water inlet cavity can be rotationally communicated with the filter element via the backwashing elbow, and the backwashing elbow is connected with a backwashing outlet outside the water inlet cavity. The backwashing elbow rotates, so that the filter element is respectively communicated with the water inlet cavity and the backwashing elbow, and a normal filtering function and a filter element self-cleaning function of the filter are respectively realized. The self-cleaning mechanical filter is simple and compact in structure and convenient in use, does not need manual maintenance and saves cost. The filter element can be cleaned automatically.

The invention relates to a horizontal roller hearth furnace for heat treatment of aluminum plates. The horizontal roller hearth furnace comprises a charging platform, a furnace body and a discharging platform which are arranged sequentially, wherein the charging platform comprises a charging roller table; the charging roller table is extended into the furnace body; the furnace body comprises a heating section and a cooling section; conveying roller tables are arranged in the heating section and the cooling section; the input ends of the conveying roller tables are connected with the charging roller table; the heat section is provided with a plurality of heating areas which are connected sequentially in a horizontal direction; wind nozzle systems for jetting heating air flow are arranged on the upper side and the lower side of each heating area respectively; nozzle systems for spraying cooling water are arranged on the upper side and the lower side of the cooling section respectively; the discharging platform comprises a discharging roller table; and the discharging roller table is connected with the output ends of the conveying roller tables. According to the horizontal roller hearth furnace, the aluminum plates can be subjected to solid solution heat treatment, recrystallized and aged; quick heating and cooling can be realized, and the optimal mechanical properties can be reached after products are subjected to heat treatment; and an induction type furnace charge control system can realize continuous operation of the whole heat treatment process, and manual maintenance is not required.

The invention discloses a water inlet pipeline filtering device for a tower crane spraying machine. The water inlet pipeline filtering device comprises a shell; a circular cavity is formed in the shell. A water inlet pipe is connected below the inner wall of the circular cavity; a water outlet pipe is connected to the upper portion of the inner wall of the circular cavity, an annular filter screenis fixedly connected to the inner wall of the circular cavity, the annular filter screen and the inner wall of the circular cavity form an annular cavity, a plurality of scraping blades are connectedto the inner wall of the annular cavity in a sealed and sliding mode, and a driving mechanism for driving the scraping blades to slide on the inner wall of the annular cavity is mounted in the circular cavity. Particle impurities in a water source are filtered through the annular filter screen; particles are prevented from being pressurized into a nozzle along with a water source, and blockage ofspray orifices of the nozzle is prevented; when a hydrodynamic wheel rotates to accumulate force on a coil spring, and no water flow flows through the shell, the coil spring releases elastic force todrive an impeller to rotate, so that the scraping blades are driven to rotate, impurities on the annular filter screen are pushed, the annular filter screen is cleaned, and an automatic cleaning effect is achieved.