40results about How to "Solve the problem of deviation" patented technology

The invention relates to a design method of a counter flow cooling tower. The method comprises the following steps: 1, setting the Lewis number to be 1 and correcting a Lewis relation formula; 2, correcting the performance number N of the cooling tower by a correction coefficient k2; 3, iteratively calculating according to the steps 1 and 2 and a formula described in the specifications to obtain the outlet water temperature of the counter flow cooling tower; 4, iteratively calculating by a formula described in the specifications according to the same line relationship of state points of air entering and exiting from the tower and state points of atmosphere on a psychrometric chart to obtain the moisture content of the air exiting from the tower; 5, iteratively calculating according to a reflux ratio formula to obtain the enthalpy value of the air exiting from the tower; 6, obtaining the corrected outlet water temperature and the corrected state parameters of the air entering and exiting from the tower in the counter flow cooling tower which takes the Lewis number and a filler coefficient into account. According to the design method, the Lewis number and the filler coefficient are fully considered during correction and reflux, the calculation precision is very high, a calculation result is matched with an actual measurement result, and the technical problem that the temperature and humidity of the air entering and exiting from the tower cannot be calculated by taking the enthalpy value as the intermediate quantity is solved.

The invention discloses a method for fast breeding male sterile broccoli by using molecular marking, comprising following steps: (1) taking cytoplasm male sterile heterozygote of broccoli as female parent and good auto-copulation of broccoli as male parent, carrying out sexual crossing; taking its auto-copulation as recurrent parent for continuous backcross; (2) choosing sterile deseription in sprout period for backcross generation by using PCR checking technology; (3) choosing the genetic background for said single plants by applying AFLP labeling; (4) choosing plant with its molecular marking reaction being positive for backcross; (5) repeating steps (2) and (3), getting stable sterile broccoli and its relevant maintenance line through 3-4 generation backcross. The invention applies molecular marking connected with male sterile gene for the first time to breed purified male sterile line. The bred male sterile line is free from influence from temperature change, and the sterile degree is 100%.

The invention discloses a textile machine capable of removing fabric rough selvedges. The textile machine comprises a working table. Supporting legs are fixedly connected with the four corners of thebottom of the working table respectively. A placement table is fixedly connected with the center of the top of the working table. Cutting grooves are formed in the two sides of the top of the placement table respectively. By arranging the cutting grooves, a box body, a motor, a rotating shaft, a rotating rod, a slide column, a limiting block, a movable plate, a first slide groove, a movable column, a cutter, a pressing wheel, a collecting box, an air outlet pipe, an exhaust fan, an exhaust pipe, an air suction cover, a second slide groove, a slider, a buckle, an installation frame and a buffering cushion in cooperation, the advantage of removing the fabric rough selvedges is achieved, the problem that an existing textile machine does not have the function of removing the fabric rough selvedges, so the fabric rough selvedges need to be manually removed is solved, the textile machine can automatically remove the fabric rough selvedges, the labor amount of workers is relieved, the work efficiency of the workers is improved, and therefore the practicability of the textile machine is improved.

The invention provides a perforation auxiliary tool for producing corona wires, and relates to the technical field of auxiliary equipment for machining corona wires. The tool is provided with a fixing tube seat and an adjusting and fixing clamping piece, wherein a corona wire round tube is fixed through the fixing tube seat; the elasticity of the adjusting and fixing clamping piece is adjusted to control assembling and disassembling of the core wire round tube; and after being adjusted to a suitable position, the corona wire round tube is fixed and perforated. The problem that when perforated by a machine in the prior art, a round tube rolls and deviates is solved. The tool is provided with a plurality of perforation cushion plates, perforated holes which penetrate in perforation cushion plate bodies are formed in the upper portions of the perforation cushion plates, a corona wire round tube can be perforated by a perforation electric drill through the perforated holes in the perforation cushion plates, and is prevented from sliding and deviating, the perforating precision is improved, and the perforating efficiency is also improved.

The invention discloses a using method of a multifunctional circuit board punching mechanism. Not only the circuit board punching problem is solved, but also the problem of circuit board shifting in the production process is solved. A circuit board clamp device is arranged and is capable of firmly pressing a circuit board, the stability of the circuit board is improved, the whole device can be adjusted longitudinally and transversely, the whole operation process is simple, the circuit board clamp device is extremely high in accuracy and low in manufacturing cost, greatly improves overall efficiency and operation reliability, and the function is enhanced remarkably.

The invention discloses a method for estimating the angle of arrival based on sparse Bayesian theory in the presence of mutual coupling, comprising: constructing a sparse signal model when there is mutual coupling of antenna arrays and a grid deviation of the arrival angle; initializing unknown parameters in the sparse signal model ;According to the current unknown parameter value, the joint probability distribution function is solved based on Bayesian theory, and the mean value and covariance matrix of the received signal are estimated; By maximizing the likelihood function, the variance of the noise and the variance of the received signal are estimated; the calculated The spatial spectrum of the received signal; by maximizing the likelihood function, estimating the grid deviation of the arrival angle, and updating the dictionary matrix when there is a grid deviation; estimating the variance of the mutual coupling vector of the array antenna and the mutual coupling vector of the array antenna; iteration The calculation stops until the set number of iterations is reached, and the spatial spectrum of the received signal and the solved angle of arrival of the received signal are output. The invention improves the performance of estimating the angle of arrival and realizes the high-precision estimation of the angle of arrival of the signal.

The invention provides a magnetic refrigerator air conditioning system which solves the problem that magnetic working medium particles are prone to deviation in rotation, so that the magnetic working medium particles are not even. The magnetic refrigerator air conditioning system is characterized in that a hot side airtight water tank, a heat dissipating heat exchanger, a magnetic refrigerator, a heat absorption heat exchanger and a cool side airtight water tank are sequentially connected on a water conveying pipeline. The two air outlet pipes of an air cylinder are inserted into the two airtight water tanks respectively and above a liquid level, and a linear motor is used for driving the air cylinder. A servomotor is used for driving the magnetic refrigerator to rotate back and forth in the range of 180 degrees through a gear transmission system. When the magnetic refrigerator rotates to the demagnetization direction, a piston of the air cylinder operates towards an air cylinder hot side cavity. When the magnetic refrigerator rotates to the magnetization direction, the piston of the air cylinder operates to an air cylinder cold side cavity. The magnetic refrigerator air conditioning system has the advantages that the problem that the magnetic working medium particles deviate in continuous rotation is solved and the system can operate for a long time.

The invention relates to a laser coaxial wire feeding metal part forming device with a variable wire feeding angle, which belongs to the technical field of laser near-net shaping. The device includes a focusing mirror, a laser generator, a wire feeding system, a shielding gas system, and a light wire control system. The wire feeding system includes a wire feeding machine, a wire feeding pipeline and a nozzle with a variable wire feeding angle. The variable wire feeding angle nozzle is connected, the laser generator and the wire feeding system are electrically connected to the optical fiber control system respectively, the outer wall of the middle part of the laser nozzle is fixed with a wire feeding pipeline bearing plate, and the top of the laser nozzle is vertically provided with a slide rail, the slide rail The upper slide is equipped with a ring slider, the side end of the ring slider is hinged with a connecting rod, the other end of the connecting rod is hinged with the top of the wire feeding pipe, and the middle part of the wire feeding pipe is set on the wire feeding pipe bearing plate through a rotating connector. At the side end, the shielding gas system is fixed on the outside of the variable wire feeding angle nozzle at the end of the wire feeding pipeline.

The invention provides a classified knowledge acquiring method and device. First correlation vocabulary is acquired from a first relevant text by acquiring the first correlation text of original seed terms, a second relevant text is obtained by searching for the first correlation vocabulary, the second relevant text is screened according to the field of the original seed terms to obtain a first subset in the second relevant text and matched with the field, whether relevancy of the first subset and the field of the original seed terms reaches the preset value is judged, namely the field relevancy of the first correlation vocabulary used for acquiring the second relevant text is judged, and the classified knowledge of the original seed terms is acquired based on a judging result. Therefore, the field relevancy of the acquired classified knowledge can be acquired. The method and device solves the problem of field deviation of the acquired classified knowledge, and the effective rate of the acquired classified knowledge is further improved.

The invention relates to a pillar interconnecting aseismic structure for pseudo-classic architecture. The pillar interconnecting aseismic structure comprises pillar structure units. The adjacent pillar structure units are connected through first connectors, connecting pipes and second connectors. The pillar structure units comprise middle pillar aseismic structures and bottom pillar aseismic structures. The middle pillar aseismic structures comprise middle pillars. Damping rubber pads are arranged at the top ends of the middle pillars. First springs, steel balls and blocking ball circular plates are sequentially arranged at the bottom ends of the middle pillars, and the steel balls and the middle pillars are concentric. The bottom pillar aseismic structures comprise bottom pillars, gold table pillar mortars and iron drums, the bottom pillars and the iron drums are arranged in the gold table pillar mortars, and the bottom pillars, the iron drums and the gold table pillar mortars are concentric. The pillar interconnecting aseismic structure for the pseudo-classic architecture has the beneficial effects that foundations are integrally connected, flexibility is achieved in the horizontal and perpendicular directions, the strength of the overall pillars is high, and the aseismic effect is obvious.

An embodiment of the present invention provides an image processing method and an electronic device, wherein the image processing method includes: acquiring information of facial feature points in an input image, and the facial feature points include orbital feature points and original pupil feature points ; According to the information of the facial feature points, determine the deviation direction and degree of pupil deviation; according to the deviation direction and degree of pupil deviation, correct the eyeball area in the input image to obtain a corrected image. The image processing method in the present invention obtains the pupil deviation direction and degree by detecting the facial feature information in the input image, and realizes the correction of the eyeballs according to the pupil deviation direction and degree, thereby solving the eyeball deviation caused by the camera position not being in the center of the screen Problems, improve the camera filming rate of electronic equipment, and improve the user's shooting experience.

The invention discloses a multifunctional micro metering hole electric spark machining clamp. The multifunctional micro metering hole electric spark machining clamp comprises a base, a clamping blockI and a clamping block II, wherein the center of the base is provided with a variable diameter hole, and the diameter of an upper hole is smaller than the diameter of a lower hole in the variable diameter hole; a positioning shaft I is arranged at the bottom of the clamping block I, the diameter of the positioning shaft I is matched with the diameter of the upper hole, an eccentric sliding valve mounting groove is formed in the upper part of the clamping block I, and a to-be-machined sliding valve is arranged in the sliding valve mounting groove; a positioning shaft II is arranged at the bottom of the clamping block II, the diameter of the positioning shaft II is matched with the diameter of the upper hole, an eccentric valve block mounting groove is formed in the upper part of the clamping block I, and a to-be-machined valve block is arranged in the valve block mounting groove; when the clamp is used for machining the sliding valve, the clamping block I is arranged on the base, and the sliding valve is arranged into the clamping block I; and when the valve block is machined, the clamping block II is arranged on the base, and the valve block is arranged in the clamping block II. The multifunctional micro metering hole electric spark machining clamp has the advantages that the clamp assembly is simple in structure, clamping of an operator is fast, the manufacturability is high,the machining freedom degree of a part is reasonably limited, and the size precision of the pat is guaranteed easily.

The invention discloses a method for improving wireless charging efficiency. The wireless charging device has a control module, a wireless charging coil connected to the control module, an automatic coil driving unit, and a charging efficiency related parameter detection module; the displacement stroke of the wireless charging coil is the first Between the limit position and the second limit position, the initial position is the first limit position or the second limit position; after placing the product to be charged, the coil automatic drive unit first moves forward to drive the wireless charging coil to move to the initial position along the positive direction. The charging efficiency related parameter detection module first detects the related parameters of the current position, and then the coil automatic drive unit reverses to drive the wireless charging coil to gradually move in the reverse direction. After each step of displacement, the related parameters are detected, and the related parameters are compared step by step to obtain The highest charging efficiency position keeps the wireless charging coil at this position; effectively ensures the adjustment accuracy of the wireless charging coil, its algorithm is relatively simple, and the electronic control operation is reliable.

The invention relates to the technical field of measuring instruments, in particular to an anti-deviation traction truck scale device, which includes a support base, a slope, a rotating rod and an extruding plate. The slope is fixedly connected to the left and right sides of the support base, and There is an electronic scale main body, the four corners of the lower end of the slope are hinged with support rods, the lower end of the support rods is provided with rollers, and the rollers are supported by electric telescopic rods, and side baffles are provided on the front and rear sides of the upper end of the support base, and the right side of the side baffles An indicator light is affixed to the top of the marking rod, and a pull ring is affixed to the lower end of the support seat through the third connecting block. The structure design of the present invention is reasonable, the device is supported by rollers or the bottom surface of the slope touches the ground through the adjustable support rod, and then the traction, movement and fixation of the device are realized. The wheels fall off the side of the truck scale, which affects the weighing accuracy, and the indicator light is used to indicate whether the vehicle has deviated.

The invention relates to an anti-seismic system of an antique building structure. The anti-seismic system sequentially comprises a column-stone interconnecting anti-seismic structure, a bearing anti-seismic structure, a wall-window anti-seismic structure, a framework anti-seismic structure and a roof from bottom to top, wherein the column-stone interconnecting anti-seismic structure comprises column-stone structural units; every two adjacent column-stone structural units are mutually connected by first connectors; each column-stone structural unit comprises a middle column-stone anti-seismic structure and a bottom column-stone anti-seismic structure; the bearing anti-seismic structure comprises a gold table, bucket arch structures, first wall body structures and porch column structures; the wall-window anti-seismic structure comprises a second wall body structure and a window frame structure; the window frame structure comprises a window frame and a windowsill; the framework anti-seismic structure comprises beams, columns, bucket arches and third connectors; the roof is formed by splicing roof panels, roof girders and purlins. The anti-seismic system of the antique building structure, provided by the invention, has the characteristics of foundation integral connection and horizontal and vertical flexibility as well as has significant anti-seismic effects.

The invention provides a perforation auxiliary tool for producing corona wires, and relates to the technical field of auxiliary equipment for machining corona wires. The tool is provided with a fixing tube seat and an adjusting and fixing clamping piece, wherein a corona wire round tube is fixed through the fixing tube seat; the elasticity of the adjusting and fixing clamping piece is adjusted to control assembling and disassembling of the core wire round tube; and after being adjusted to a suitable position, the corona wire round tube is fixed and perforated. The problem that when perforated by a machine in the prior art, a round tube rolls and deviates is solved. The tool is provided with a plurality of perforation cushion plates, perforated holes which penetrate in perforation cushion plate bodies are formed in the upper portions of the perforation cushion plates, a corona wire round tube can be perforated by a perforation electric drill through the perforated holes in the perforation cushion plates, and is prevented from sliding and deviating, the perforating precision is improved, and the perforating efficiency is also improved.