35results about How to "Reduce severe impact" patented technology

The invention provides a rapid double power supply switch device and a working method thereof, relates to a switch used for guaranteeing power supply continuity and the working method, and can effectively solve the problems of contact arcing, electrical energy loss and the like of a conventional switch. The device comprises a frequently-used power supply, a reserve power supply, a load, a circuit breaker I, a circuit breaker II as well as a switch unit I, a switch unit II, a data acquisition module and a total control module, wherein the structure of the switch unit I or the switch unit II comprises a full control type switching element insulated gate bipolar transistor I, a full control type switching element insulated gate bipolar transistor II, an uncontrollable semiconductor device diode I, an uncontrollable semiconductor device diode II, a buffer circuit I, a buffer circuit II, a drive circuit I and a drive circuit II. Serious affects of the problems such as temporary reduction of power supply voltage, short-term voltage interruption and the like on the load are reduced, and safe and stable operation of a power supply system is guaranteed. According to the rapid double power supply switch device and the working method thereof, power supply switch time reaches a millisecond level, seamless switching can be realized, both the rapidity and the transient characteristic are ideal, and strict requirements of a sensitive and critical load on the power supply reliability and electric energy quality are really met.

The invention discloses a cognitive radio fairness scheduling method and system; the cognitive radio fairness scheduling method comprises the following steps of: obtaining the times of collision occurring between each present non-authorized user and an authorized user; according to the collision times, adjusting the final priority of each non-authorized user; according to the final priority of each non-authorized user and state information of each channel, generating scheduling control information; and scheduling the each non-authorized user by using a scheduler according to the scheduling control information. According to the cognitive radio fairness scheduling method, the average collision times of the non-authorized users in the communication service process can be reduced, and the fairness among the non-authorized users is embodied, and thus the whole communication quality of the non-authorized users is improved.

The invention relates to a method for synthesizing 3-acetoxy-9 beta, 10 alpha-pregna-5, 7-diene-20-ketone. 3-acetoxy-pregna-5, 7-diene-20-ketone is used as a raw material to synthesize the 3-acetoxy-9 beta, 10 alpha-pregna-5, 7-diene-20-ketone. The method is characterized in that: the method adopts a two-step method of photocatalytic reaction; in the first step of the photocatalytic reaction, light waves with a wavelength of between 275 and 295 nm are selected; and in the second step of the photocatalytic reaction, light waves with a wavelength of between 300 and 313 nm are selected and added with photosensitizer anthracene. The method has the advantages of readily available raw materials, mild reaction condition, high yield, low cost, good product quality, etc.

The invention discloses a slope reinforcement and ecological protection system which comprises a support structure arranged on the slope top plane and a slope protecting structure arranged at a slope on the lower portion of the support structure. The support structure comprises miniature piles which are arranged in an arc-shaped mode and anti-slide piles arranged in two-side arc-shaped arch feet; the pile tops of the anti-slide piles and the pile tops of the miniature piles are all connected with a connecting beam; the slope protecting structure comprises a non-woven geotextile and a metal mesh which are paved on the slope in a stacked mode from bottom to top; plant-growing bags are bound on the metal mesh; anchor rods penetrate through the metal mesh and the non-woven geotextile to insert into the slope. According to the slope reinforcement and ecological protection system, the support structure maintains the stability of a landslide mass, the construction cost is low, construction is quick, the influence on the environment is little, and the slope protecting structure reduces the water and soil loss in engineering construction. The vegetation slope protecting technology and engineering protective measures are combined, the advantages of the vegetation slope protecting technology and the engineering protective measures are exerted, the contradiction between slope engineering protection and ecological environment damage can be effectively solved, and harmonious coexistence between human activities and natural environments is achieved.

The invention discloses a method for realizing rapid delivery of parcels based on a crowdsourcing public transportation system, comprising: obtaining information of public transportation vehicles, including route site information, shift information and seat information; obtaining parcel information, identifying delivery addresses of the parcels by scanning parcel sheets, and matching with the route site information to obtain destination sites of the parcels; screening the routes passing through the destination sites from the route site information as the selected routes of the parcels; analyzing and selecting the number of passengers between two adjacent stations in the routes, comparing with the number of seats in the selected routes, evaluating the idle capacity of the selected routes, and screening out the shifts with idle capacity in the selected routes; and scheduling the preset loading sequence of the parcels according to the destination sites of the parcels and the shipments with the idle capacity to make the parcels be unloaded upon reaching the destination sites.

An automatic warp integrator with hardness-wire through and reeding functions consists of platform, hardness wire pylon, hardness wire mover, reed mover, yarn spreader, hardness-wire through and reeding machine, yarn unloading machine and controller; they are all arranged on platform, which is driven by mover and moves towards warp direction and resets. It adopts intelligent discrimination and micro-computer controlling technology. It's convenient, cheap, efficient and automatic.

A heat pump water heater with a heat utilization balance processor and a heat utilization balance processor thereof relate to a fluid heater using a heat pump and an accessory thereof, the heat pump water heater comprises the heat utilization balance processor; which comprises a housing, a heat exchange pipe, a main heat exchange cavity, a sub heat exchange cavity and a steam-liquid separator. The heat utilization balance exchange is carried out for a working substance through the sub heat exchange cavity of the heat utilization balance processor during a condensing process and an evaporation process, so as to carry out the heat comprehensive utilization, thus increasing condensing effect, decreasing high pressure and exhaust temperature, decreasing the power consumption of a compressor, and increasing the energy efficient of a unit.

The invention relates to a method for correcting deposition errors of broadband anti-reflection films prepared by a quartz monitoring method. The method comprises the following steps: 1) a monitoringthickness is designed; a four-layer film system is prepared; and the four-layer film system comprises two layers of films with two thicknesses and prepared by high-refractive-index materials, and twolayers of films with two thicknesses and prepared by low-refractive-index materials; 2) through reverse inversion and linear fit of the prepared four-layer film system, film thickness errors of the high-refractive-index materials and the low-refractive-index materials are obtained; and 3) film plating parameters of the broadband anti-reflection films to be prepared are corrected by the film thickness errors of the same materials. Compared with the prior art, the method can effectively correct the deposition errors and improve the spectral property, is simple in operation and high in generality, and achieves wide production of the broadband anti-reflection films in reality.

The invention discloses a cantilever beam slippage system for a self-elevating drilling platform. The cantilever beam slippage system comprises at least two hydraulic execution components distributed at the symmetric positions of the two sides of a cantilever beam, control valve sets matched with the hydraulic execution components and connected with the corresponding hydraulic execution components, a hydraulic pipeline assembly connected with the hydraulic execution components and the control valve sets, a power unit, a valve, an instrument and an oil source, wherein the power unit, the valve, the instrument and the oil source are installed in the hydraulic pipeline assembly and used for controlling and achieving work of the hydraulic execution components. The power unit comprises at least two double pump sets, and the double pump sets are backups for each other. According to the cantilever beam slippage system, eccentric loading of the execution components on the two sides of the cantilever beam does not occur, the cantilever beam moves, returns and slips smoothly, the phenomenon that the cantilever beam is twisted and getting stuck due to eccentric loading and can not be compensated does not occur, and the double pump sets can be started to drive the cantilever beam to slip and be started under the condition of the maximum starting static friction force .

The invention discloses a sample plate conveying device which comprises obliquely-arranged slides, driven rollers, transmission gears and a chain assembly. The slides incline downwards from the first ends of the slides to the second ends of the slides, and are provided with grooves formed in the length directions of the slides. The driven rollers are arranged at the first ends of the slides. The shaft ends of the driven rollers are provided with driven roller gears. The transmission gears are in engaged connection with the driven roller gears. The chain assembly is arranged under the slides and comprises chains and chain gears. Stop blocks are fixedly arranged on the chains and stretch out of the grooves in the slides. The chain gears arranged close to the first ends of the slides are engaged with the transmission gears. By adoption of the sample plate conveying device, sample plates can be conveyed to a certain position, time and labor are saved, the safety is high, and the reliability is good; the conveying states of the sample plates in the conveying process can be effectively guaranteed; and controllability of the conveying states of the sample plates can be achieved.

The invention belongs to the technical field of kitchen household appliances, and particularly relates to a household induction cooker which comprises an induction cooker main body, a filter box and acorrugated adjusting pipe. The filter box is connected into the induction cooker main body in a sliding manner, a first wavy panel and a second wavy panel are inserted into the filter box, and the corrugated adjusting pipes are fixedly connected to the two side faces of the induction cooker body. The tops of the corrugated adjusting pipes are fixedly connected with the air inlet pipe heads, a motor is fixedly connected to the tops of the air inlet pipe heads, and the fan blades are arranged in the air inlet pipe heads. According to the present invention, the oil gas particles in the oil smokecan be filtered and collected, and the clean gas is finally exhausted, the requirements of the people for oil smoke treatment is met, the use environment of the users is improved, and the serious influence of the oil smoke on the health of the users is reduced.

The invention discloses a Chinese yam shallow grow belt orientated tuberization cultivation method, and belongs to the Chinese yam cultivation technical field; the method uses orientated cultivation to change a ground upward artificial slope into a ground downward tread orientated bevel angle, uses a shallow grow belt to replace a shallow grow groove, thus realizing inclination 11-13 degrees, reducing Chinese yam shallow grow groove cultivation orientated tuberization plantation and harvesting cost, and reducing severe influences caused by rising underground water level on the Chinese yam production. Comparing with a conventional Chinese yam cultivation method, the novel method can save 50-60 labors per mu, can increase output by 500-800kg / mu, and can increase yield by 15-20%; the produced Chinese yam is tidy, plump, smooth, good in skin color, high in goods value, cannot be damaged in harvesting, and the stem tubers are durable in storage.

The embodiment of the invention discloses a safety alarm event processing method and device, equipment and a storage medium. The method comprises the following steps: collecting a plurality of safety alarm events generated within a set duration, and recognizing target alarm hardware corresponding to each safety alarm event; obtaining a target asset type corresponding to each target alarm hardware, and querying a mapping relationship between the asset type and an asset importance index to obtain a target asset importance index; obtaining a target hazard level corresponding to each safety alarm event, and querying a mapping relationship between the hazard level and a hazard importance index to obtain a target hazard importance index; According to each target asset importance index and each target hazard importance index, determining a processing sequence of each safety alarm event, and processing the safety alarm events. According to the embodiment of the invention, the problem of effective protection of tens of thousands of information technology assets is solved, the safety event handling efficiency is improved, and the cost benefit of safety reinforcement is maximized.

The invention relates to a composite cartridge for an ultrasonic atomization electronic cigarette. The composite cartridge comprises a liquid storage part for storing tobacco juice and an anti-seepagelayer surrounding a periphery of the liquid storage part, wherein the liquid storage part is mainly made of loose solid materials; a liquid guide piece for leading out the tobacco juice in the liquidstorage part to a liquid guiding piece on an ultrasonic atomizing sheet of an ultrasonic atomizing electronic cigarette appliance is arranged at the bottom of the liquid storage part; and a solid smoking part made of tobacco materials is further arranged at the bottom of the liquid storage part. The cartridge provided by the invention is a composite cartridge which can be used in the ultrasonic atomization electronic cigarette, has the smoke volume and rapid smoke output performance of an ordinary electronic cigarette during smoking, also has low-temperature smoke aroma and other beneficial effects, and has good smoking experience feeling.

The invention discloses a system for managing student incentives, wherein the system comprises a system configuration module which is used for configuring an evaluation index, the identity information of an evaluator, the identity information of an evaluated person, and an association relationship thereof; a data processing module, which is used for performing first data processing and second data processing on evaluation data acquired according to the evaluation indexes to form excitation data; an excitation viewing module; and an incentive exchange module. The invention further discloses a student incentive management method. Through the system and the method, evaluation data can be converted into structured data and incentive data, student incentive is managed in a unified manner at a school level, and effective secondary incentive is formed.

The invention discloses a multi-line parallel monitoring method based on internal and external network isolation, and the method comprises the steps: S101, constructing a multi-line parallel monitoring unit for the real-time monitoring of a network, and enabling the multi-line parallel monitoring unit to monitor the change of a network protocol IP address of a network interface, the real-time flowof a network card, and the state of a network icon; S102, if it is detected that a network protocol IP address is changed, or network card real-time flow fluctuation violates a preset flow model, ora network icon is changed, it is judged that network connection is changed; S103, if it is judged that the network connection is changed, executing a corresponding security operation. According to theinvention, a program means is utilized, and when network abnormity (such as network IP change, Internet access monitoring and the like) occurs in a private network or a local area network, disconnection or shutdown processing with time less than 500 milliseconds is executed immediately according to a set program. Therefore, the safety protection of the private network is realized, and the seriousinfluence caused by disordered network cable insertion, network error change and the like is reduced.

The invention discloses an energy management control method and system of a wind field. The method comprises the following steps of acquiring a running state and a control state of each machine set in the wind field; acquiring active power, reactive power and a wind speed of each machine set, and calculating numerical values of preset parameters according to the active power, the reactive power and the wind speed; receiving an active power output control command of the wind field, carrying out active power control of the wind field according to a preset active power control algorithm and the numerical value of the corresponding preset parameter; receiving a reactive power output control command of the wind field, and carrying out reactive power control of the wind field according to a preset reactive power control algorithm and the numerical value of the corresponding preset parameter; and carrying out control on starting and stopping of the machine set in the wind field according to a preset wind field starting and stopping control algorithm and the numerical value of the corresponding preset parameter. By the method and the system, high-standard control on the energy of the wind and power field can be fulfilled.

The invention provides a simulation test system monitoring method and monitoring system based on a BS architecture. The method comprises the following steps: allocating an IP and a port to a simulation test system sub-module; iP and ports distributed by the simulation test system sub-modules are collected to form a configuration database; running state information of the simulation test system sub-module is collected and sent; receiving operation state information of the simulation test system sub-modules, reading the configuration database, and establishing a one-to-one correspondence mapping relation between IPs and ports in the configuration database and the simulation test system sub-modules; according to the mapping relation, packaging the operation state information of the simulation test system sub-modules to generate corresponding response data, and respectively sending the response data of different simulation test system sub-modules; receiving response data of the simulation test system sub-module, and judging the correctness of the response data; and the judgment result is processed, so that the serious influence on a simulation test or equipment can be reduced.

The invention discloses a circuit breaker single-coil permanent magnet operating mechanism, which comprises a driving mechanism and a transmission mechanism. The driving mechanism comprises a housing,a lower bottom plate, a fixing frame, a movable shaft, a permanent magnet and a static iron core. The housing is fixed on the lower bottom plate; the movable shaft penetrates through the housing; thepermanent magnet is fixed on the movable shaft; the fixing frame is arranged on the lower bottom plate; the static iron core is fixed on the fixing frame; a coil used for being connected with an external control circuit is wound on the static iron core; the movable shaft penetrates through the center of the static iron core; and the permanent magnet, the coil, the static iron core and the coil are sequentially arranged outwards with the movable shaft as the center. The transmission mechanism comprises a buffer device and a lever, wherein the long end of the lever is connected with the bottomof the movable shaft through the buffer device, and the short end of the lever is used for being connected with an arc extinguishing chamber. The provided circuit breaker single-coil permanent magnetoperating mechanism is low in energy consumption, long in service life, small in impact, and safe and reliable.

The invention relates to the technical field of resource utilization of phosphate tailings, in particular to a method for large-scale absorption and high-value utilization of phosphate rock tailings. According to the invention, a novel process of reverse flotation-acidolysis conversion-multi-element separation and conversion is adopted, i.e., the phosphorite tailings which are difficult to utilize in a large scale are converted into phosphogypsum, magnesium sulfate heptahydrate and calcium superphosphate wet-process phosphate fertilizer products which can be utilized in a high-valued manner and conform to related national standards through the steps of flotation, acid leaching, desulfurization leaching, concentration crystallization and phosphorization reaction; an economical and feasible method is provided for large-scale consumption and high-value utilization of the high-magnesium phosphate tailings, resource waste and environmental pollution of the phosphate tailings are solved, and technical support is provided for comprehensive utilization of the same type of phosphate tailings in China.

The invention discloses a student comprehensive evaluation system, and the system comprises a system configuration module which is used for configuring evaluation indexes, identity information, evaluation levels and an association relationship thereof; a data processing module, which is used for processing evaluation data collected according to the evaluation indexes into structured data; and a data reliability judgment module, which is connected with the data processing module, can interact with a user side and is used for judging whether the data to be stored in the data storage module conforms to a system configuration rule or not. The invention also discloses a student comprehensive evaluation method. The method comprises the following steps: carrying out system configuration; calling indexes; collecting data; processing data; judging data reliability; and storing data. According to the system and the method, evaluation data can be converted into structured data, and normalized collection of student evaluation data, statistical analysis of data at different evaluation levels and guarantee of data reliability are realized.

The utility model discloses a recovery device for crude titanium tetrachloride. The device mainly comprises a titanium tetrachloride storage tank, a titanium tetrachloride intermediate tank, a pump, ahorizontal centrifuge and a solid collection tank, wherein the titanium tetrachloride storage tank is connected with the titanium tetrachloride intermediate tank through a pipeline, the pump is arranged on the pipeline, the titanium tetrachloride intermediate tank is connected with the horizontal centrifuge through a liquid outlet pipe, a feeding pipe is arranged on the horizontal centrifuge, andthe horizontal centrifuge is connected with the solid collecting tank through a solid outlet pipe. When the chlorination furnace is used for producing crude titanium tetrachloride through chlorination, crude titanium tetrachloride containing solid particles enters a horizontal centrifuge from a feeding pipe, then under the separation effect of a horizontal centrifuge, the titanium tetrachloride liquid enters and exits the titanium tetrachloride intermediate tank from the liquid outlet pipe, so that titanium tetrachloride in the intermediate tank is conveyed into the titanium tetrachloride storage tank through the pump; meanwhile, separated solid particle impurities enter the solid collection tank, the effect of effectively separating titanium tetrachloride from the solid particle impurities is achieved, and crude titanium tetrachloride is recycled.

The invention discloses a traffic structure spanning an urban rail transit construction area. The traffic structure is characterized in that abutments are arranged on the two sides of a traffic construction isolation area, pier columns are arranged on the abutments respectively, a bridge arch located above the traffic construction isolation area is erected with the abutments on the two sides of the traffic construction isolation area as supports, a passage road is arranged through the abutments, the pier columns and the bridge arch, and thus the detachable traffic structure spanning the traffic construction isolation area in the air is formed. On the one hand, the traffic structure can be used as a temporary road to guarantee passage; on the other hand, due to the modular structure, the traffic structure can be fast assembled and utilized repeatedly and is convenient to detach, and thus the time limit requirement of engineering construction is guaranteed and resources are saved to the maximum degree.

The invention discloses a differential signal sampling circuit and a differential signal sampling method and device, and relates to the technical field of sampling circuits. The circuit comprises a sampling resistor, a first differential amplifier, a second differential amplifier and a third differential amplifier. The voltage value of the first end of the sampling resistor and the voltage value of the second end of the sampling resistor are used as a pair of differential signals. A first differential amplifier and a second differential amplifier which are connected in a positive-negative cross mode are input, two differential voltage signals which are opposite in polarity and equal to a common-mode voltage value are obtained, and at the moment, the common-mode voltage of output signals of the first differential amplifier and the second differential amplifier is 0. Therefore, the serious influence of the common-mode voltage amplified by the operational amplifier on the output error is reduced.

The invention discloses a full-automatic self-discharging conveying and screening silt removing machine for sugarcane. The full-automatic self-discharging conveying and screening silt removing machine comprises a self-discharging platform, a chain plate conveyor, a one-level roller type silt removing machine and a two-level grid silt removing machine which are connected in sequence. The included angle smaller than 180 degrees is formed between the self-discharging platform and the chain plate conveyor. The included angle smaller than 180 degrees is formed between the one-level roller type silt removing machine and the two-level grid silt removing machine. Beaters are arranged at the tail end of the chain plate conveyor and the front end of the one-level roller type silt removing machine respectively. Silt collecting hoppers are arranged at the bottom of the one-level roller type silt removing machine and the bottom of the two-level grid silt removing machine respectively. Branch belt conveyors are arranged at the outlets of the silt collecting hoppers respectively. Output ports of the branch belt conveyors are connected with a conveying belt of a main belt conveyor. An output port of the main belt conveyor is connected with a conveying belt of a bucket type belt conveyor. By means of the silt removing machine, silt of the sugarcane harvested through manual operation and a combine sugarcane harvester can be automatically removed, the silt removing rate exceeds 80%, mechanical automatic running operation is achieved, and the work efficiency is improved.