64results about How to "Scientific and reasonable operation" patented technology

The invention provides an electric heating load prediction method. The electric heating load prediction method comprises steps that main influence factors of an electric heating load are analyzed; theBP neural network calculation method is constructed; a genetic algorithm is constructed to optimize the BP neural network calculation method; integral data is selected as a training sample and a prediction sample, the BP neural network calculation method and the genetic algorithm are utilized to optimize the BP neural network calculation method to respectively predict an electric heating load, and effectiveness and scientificity of the genetic algorithm for optimizing the BP neural network calculation method are verified. The method is advantaged in that the electric heating load can be precisely predicted, a type of heating equipment of a heating system and a new load size can be accurately determined, heating parameters, idle capacity and a system operating status, etc., can be accurately determined, so operation, maintenance and overhaul of the heating equipment are made to be more scientific and reasonable.

The invention discloses a locking bone screw with an expansion structure, which belongs to the technical field of medical devices. The locking bone screw with the expansion structure is characterized by comprising an expansion screw rod and a top screw matched with the expansion screw rod, wherein internal threads are formed in a blind hole or a through hole of the expansion screw rod; external threads which are engaged with the internal threads in the blind hole or the through hole of the expansion screw rod are formed in the top screw; more than one expansion groove is formed in the head part of the expansion screw rod; a groove, a polygonal blind hole or a polygonal bump through which the top screw can be screwed into the blind hole or the through hole of the expansion screw rod is formed in the tail part of the top screw; external threads through which the expansion screw rod can be screwed into a broken bone to form a taper are formed in the tail part of the expansion screw rod; a groove through which the external threads with the taper can be screwed into the broken bone is formed in the end surface of the tail part of the expansion screw rod. According to the locking bone screw with the expansion structure, the friction force between the bone screw and a cancellous bone can be increased, and the pulling resistance of the bone is increased, so that the screw is firmly connected with a cortical bone or the cancellous bone; the bone screw is easy and convenient to operate, and is easily screwed and removed during a surgery.

The invention discloses a resource scheduling method for multiple robots and a resource scheduling system thereof. The method includes storing a resource scheduling scheme of the multiple robots into a resource scheduling scheme base, providing all resource scheduling scheme options of the multiple robots in the resource scheduling scheme base of the multiple robots, judging whether to receive an operation command of a resource scheduling scheme option of the multiple robots and selected by a user and reading characteristic information of the user, scheduling a resource scheduling scheme corresponding to the characteristic information from the resource scheduling scheme base and executing the corresponding resource scheduling scheme on no judgment. The resource scheduling schemes of the multiple robots are stored in the resource scheduling scheme base in classification mode. Characteristic information of the user is read if the user has no selection, the corresponding resource scheduling scheme is automatically selected according to the characteristic information of the user, and difference scheduling requirements of the user are met.

The invention discloses a wind turbine generator power characteristic evaluation method based on a cloud model and optimal combination empowerment. The method comprises the steps: 1, acquiring a normal wind speed-power data set; 2, according to the wind speed-power normal data set, determining an evaluation factor set of the power characteristics of the wind turbine generator, wherein the evaluation factor set comprises annual power generation capacity of the wind turbine generator, a power standard deviation average value below the rated wind speed, a power standard deviation average value above the rated wind speed and a power coefficient maximum value below the rated wind speed; and 3, obtaining a comprehensive evaluation result. The method is easy to implement, and scientific, effective and reasonable operation of the wind power plant is guaranteed.

The invention provides a buoyancy vertical pipe of a self-balancing ups and downs cultivation net cage and relates to sea farming equipment. The pipe comprises a middle pipe body 1, a top pipe cap 2, a pipe cap internal-connected ventilation chamber 4 and a bottom flange plate 10; the bottom end of a pipe cavity is provided with a water inlet/drainage valve 12 while the top end is provided with a central air inlet/exhausting opening 7; the inner surface of the top of the pipe cavity 9 is a circular arc shape or a conic shape; and one floating ball 14 is arranged in the pipe cavity. The buoyancy vertical pipe has the advantages that the air inlet/drainage valve at the top end in the pipe cavity of the former buoyancy vertical pipe is removed; one floating ball is arranged in the pipe cavity so that the air inlet/exhausting and water inlet/drainage process is accelerated; and the net cage is steadier to life in a balance manner. The buoyancy vertical pipe is simple in structure and saves manufacturing cost.

The invention discloses an inclination-angle-adjustable mechanism. The mechanism comprises a snap ring curved bar. One end of the snap ring curved bar is connected with a rocking bar, the lower portion of the snap ring curved bar is connected with a connecting bar, a crank is arranged below the connecting bar, a transmission shaft placed horizontally is arranged in the center of the crank, a gear is arranged on the transmission shaft, a rack is arranged below the gear, meshed with the gear and placed in the direction perpendicular to the transmission shaft, a rack bar is arranged below the rack, a telescopic lifting bar is hinged to the front end of the rack bar, and the rack and the rack bar are both installed on a rack support. The mechanism is simple in structure, easy to obtain and applicable to common beds, sickbeds, sofas, deck chairs and the like, overcomes the defect that in the prior art, the angle of the articles is fixed, and effectively increases use comfort. The invention further discloses a sickbed with the inclination-angle-adjustable mechanism. The sickbed relieves the labor intensity of nurses greatly and is high in stability and safety, convenient to use, practical and worthy of wide popularization.

The present invention discloses a high-precision positioning and direction-finding receiver. The receiver comprises a base plate and a signal terminal and a body which are formed by employing an integrated forming mechanism, a heat radiation rack is sleeved on the body, a plurality of heat radiation fins are equidistantly clamped on the heat radiation rack, two nuts are symmetrically installed onthe heat radiation rack, each nut is in threaded connection with one bolt, the portion, located in the heat radiation rack, of each bolt Is rotationally connected with a first fixture block employingan arc structure, the heat radiation rack is fixed on the body through the first fixture block, two receiving grooves are symmetrically arranged on the body, the inner wall of the bottom end of each receiving groove is rotationally connected with one pedal, and the inner wall of the upper end of each receiving groove is provided with one first cavity. The high-precision positioning and direction-finding receiver is stable in structure, simple to operate, scientific and reasonable in design, short in production cycle, low in manufacturing cost, good in heat radiation performance, convenient todisassemble and assemble and convenient to be fixed on the ground, can save a lot of time and energy of workers, deserves to be popularized.

The invention belongs to the technical field of medical instruments, and provides a full-automatic artificial airway management instrument. The full-automatic artificial airway management instrument comprises a box, wherein the box is provided with an operation panel, an artificial airway air bag interface, an air bag upper drainage tube, a normal saline supply tube and a gas feeding/discharging tube; solenoid valves are separately arranged on the artificial airway air bag interface, the air bag upper drainage tube, the normal saline supply tube and the gas feeding/discharging tube; peristaltic pumps are further separately arranged on the air bag upper drainage tube and the normal saline supply tube; an air pump is arranged on the gas feeding/discharging tube; the operation panel, the peristaltic pumps, the solenoid valves and the air pump are connected with a CPU arranged in the box; and the CPU is further connected with a power supply module and a pressure acquiring chip. The full-automatic artificial airway management instrument is skillful in design and simple and convenient to operate; and the technical problems that in the prior art, when an artificial airway is used, the working intensity is large, and the operation accuracy is poor are solved.

The invention discloses a moringa oleifera plant beverage and a preparation method thereof, relates to the technical field of health beverages, and aims to improve the technical problems in the prior art that the taking convenience degree and crowd accepting degree of a moringa oleifera leaf suspension beverage are relatively low. The moringa oleifera plant beverage disclosed by the invention does not contain caffeine, contains rich nutrients, has a health-care function and better taste, is suitable for people of all ages, and is suitable for various crowds to drink. The invention also provides a preparation method of the moringa oleifera plant beverage. The preparation method comprises the following steps: fully extracting moringa oleifera leaves to obtain moringa oleifera leaf extract, then mixing the moringa oleifera leaf extract with other raw material components, and controlling conditions, such as temperature and treatment technology, in preparation processes, thereby finally obtaining the moringa oleifera plant beverage product which contains rich nutrients and is delicious with slight sweetness and sour.

The invention discloses a combined conveyor belt with an automatic identification system. The combined conveyor belt comprises a first conveying device, a second conveying device, a third conveying device and a control panel, wherein a pneumatic folding cover sealing machine and a corner type full-automatic box sealing machine are sequentially installed on the third conveying device from left to right, a box separating device is arranged on the third conveying device, a carton scanning device is arranged on the box separating device, a plurality of fourth conveying devices are arranged in thebox separating device, and a first conveying device, a second conveying device, a third conveying device, a pneumatic folding cover sealing machine, a corner type full-automatic box sealing machine and a paper box scanning device are electrically connected with the control panel. The combined conveyor belt is stable in structure, simple to operate, scientific and reasonable in design, and short inproduction period; and the combined conveyor belt is provided with the automatic identification system, so that intelligent scanning and distribution are carried out on materials, adjustment and mutual connection are facilitated, a large amount of time and energy of workers can be saved, and the combined conveyor belt is worthy of popularization.

The invention discloses a woody chair leg bending method which comprises chair leg pretreatment, autoclaving, bending treatment, as well as mildewproof treatment, cleaning treatment and setting treatment after the bending treatment. According to the woody chair leg bending method, the steps are in close fit and are scientific and reasonable, so that the bending effect is improved, the rate of finished products is high, the bent chair leg is higher in quality and more smooth in surface, and the bending accords with the ideal state; and the treated chair leg has the anticorrosion and mildewproofperformance, is improved in toughness and strength before the treatment and deserves popularization and application.

The invention discloses an industrial control software test system and a software test method. The industrial control software test system comprises a system test log, a program structure test unit, aprogram running unit, a staged test unit and a cloud remote test unit; the program structure testing unit comprises a black box testing unit and a white box testing unit which are respectively used for testing results and internal structures; the program running unit has a static test and a dynamic test, the static test is carried out when a program does not run, and the dynamic test is carried out when the program runs; the staged test unit comprises a system test, a unit test and an integration test. The invention provides an industrial control software test system and a software test method, which cover creation of a system test log, test of a program structure, test of program operation, periodic test and cloud remote test, test software more comprehensively, scientifically and reasonably, and are beneficial to normal operation of the software.

The invention relates to a construction waste recycling and crushing equipment and a using method thereof. The equipment comprises a machine box, a discharging device, a crushing device, a impurity removing device and a collection box; and the crushing device comprises a first crushing device and a second crushing device, the discharging device is arranged at the upper end of the machine box, thefirst crushing device is arranged at the lower end of the discharging device, the impurity removing device is arranged at the lower end of the first crushing device, the second crushing device is arranged at the lower end of the impurity removing device, and the collection box is arranged at the lower end of the second crushing device. The method comprises the following steps that construction waste is treated by the discharging device, large-size materials sequentially pass through the first crushing device and the impurity removing device, small-size materials directly enter the impurity removing device, and the impurity removing device enters the second crushing device after being treated, and finally enters the collection box. According to the construction waste recycling and crushingequipment, centralized treatment of the large-size building waste is realized, resources are saved, the equipment operation is stable, the efficiency is high, the service life is long, various metalsdoped in the construction waste are separated, and the recovery processing quality of the construction waste is improved.

The invention discloses a large multilayer penetration screening method and a screening machine, belongs to the field of vibration screening machinery, and is designed to solve such problems as low treatment amount, weak screening effect and weak screen frame stress condition of a large vibration screen in a traditional multilayer classification screen. Vibrators are two rows of single shaft box type vibrators serially connected for parallel, large-gap and self-synchronization operation; the formation resultant force is a linear vibration trajectory; and an included angle between the vibration resultant force and a screen surface is 80-90 degrees to realize through screening of materials by penetrating through a screen. Two rows of serial-connected box vibrators are mounted on two independent mounting square beams of a screen frame by large span; and the center distance thereof is larger than 1/3 of the length of the screen box. A bridge vibrator mounting beam structure consisting of spring base reinforcing rib plates, the vibrator mounting square beams, the single shaft box vibrators and reinforcing beams enables the screen frame to achieve balanced stress and improved rigidity. The screening machine has such characteristics as reasonable and compact structure, stable self-synchronization, reliable operation and convenience in screen and vibrator installation and adjustment, and is suitable for large-scale development of multilayer screening machines.

The invention discloses a wind speed adjustable electric mosquito suction device. A control module of the wind speed adjustable electric mosquito suction device comprises a variable-speed regulating circuit and a variable-speed regulating switch and is used for regulating the wind speed of a power module; a suction head part is divided into a suction head part and a connecting part, the connectingpart is connected to a power module through a filter screen structure, the outer diameter from the suction head part to the connecting part is evenly increased to form a conical structure, the suction head part is provided with a funnel-shaped pipeline structure extending towards an inner cavity of the suction head, and the pipeline structure and the side wall of the suction head part form a mosquito storage bin; and a through hole sealed by a gauze element is formed in the front end face of a suction head cover. According to the wind speed adjustable electric mosquito suction device, the mosquito catching rate is high, the mosquito damage rate is low, and mosquitoes can be effectively prevented from escaping.

The invention provides a liquid purification method which comprises the following steps: heating substances with low boiling points in liquid in an adaptive manner, evaporating the substances into gaseous substances in a tank body, inputting gas into the gaseous substances through a gas inlet pipeline, bringing the gaseous substances into a gas outlet pipeline, and introducing the gaseous substances into a purification device for interception and purification, and then feeding the gas into the gas inlet pipeline through a pipeline by utilizing a fan for cyclic work.

The present invention proposes a precision and high-quality printing process, which includes the following steps: S1: processing of the plate base; S2: coating of the photosensitive adhesive layer; S3: determination of the best exposure time, first, calculate the approximate exposure time ; Then expose according to 50% of the screen of the approximate exposure time; then cover 1/N of the screen, and then expose according to 25% of the approximate exposure time, that is, cover 1/N more each time, and follow the previous exposure time Expose 50% of the exposure to get N areas with different exposure levels. After the screen is washed, dried, and proofed, the best exposure time is obtained; S4: Printing according to the best exposure time; S5: Printing at 70 When ‑80 blocks, replace the developer. The operation steps of the present invention are scientific and reasonable. The optimal exposure time is determined before the formal printing, which reduces the generation rate of waste plates in the printing. The superimposed exposure time is successively reduced by grading, so that multiple exposure times can be obtained at one time. Accurate test results, saving time, labor and cost.

The invention discloses a bridge cover girder construction supporting device. The device comprises an iron box, a large through hole is formed in the middle of the iron box, a threaded hole communicated with the exterior of the iron box is formed in the side wall of one side of the large through hole, and the threaded hole is internally in threaded connection with a bolt; the upper side wall of the iron box is provided with a lower iron wedge, the upper end of the lower iron wedge is provided with an upper iron wedge, mounting holes are formed in the lower iron wedge and the upper iron wedge and internally connected with an opposite pulling rod, the two ends, located outside the mounting holes, of the opposite pulling rod are both provided with nuts, the two sides of the exterior of each mounting hole are provided with stiffened steel plates, and the stiffened steel plates are assembled in the inner side walls of the lower iron wedge and the upper iron wedge. The bridge cover girder construction supporting device is simple in structure, easy to operate, scientific and reasonable in design, short in production cycle, low in production cost and capable of being used for a long time after one-time manufacturing, no amortization occurs after turnover is conducted multiple times, and not only are unsafe factors of a jack avoided, but also the device can be easily adjusted and dismantled and meet production and safety requirements.