60results about How to "Meet the needs of actual work" patented technology

The invention discloses an epidemic situation predicting and early warning method of infectious diseases, particularly a network early warning system of relevant public health events of infectious diseases in countries, provinces, cities (regions) and districts (counties). The method comprises the steps of integrating adverse reaction information data which are collected by the server side, calculating and determining the early warning threshold of public health events according to the quantities of the symptoms of adverse reactions on the basis of the operation of a time sequence analysis statistic model and automatically carrying out early warning in real time at any time. The method comprises the following specific steps of: (1) integrating information from different channels; (2) executing a path I: analyzing tasks; and (3) executing a path II: predicting and early warning. Once the quantity of monitoring data meets the traditional basic requirements of a tome sequence analysis method for considering the periodicity, the seasonal nature, long term tend and the like of diseases, the conclusion having relative-high value can be obtained to play important roles of early finding epidemic situations, taking measures as soon as possible, preventing the spread of the epidemic situations and preliminarily establishing an epidemic situation monitoring and early warning system and a working mechanism of the province.

A two-rotation two-motion four-freedom-degree parallel excitation platform comprises a movable platform, a fixed platform, four driving branches of the same structure and a middle restraint branch, wherein the four driving branches and the middle restraint branch are used for connecting the two platforms. The four driving branches are respectively of a PSS structure. In each driving branch, a linear module (in an electric driven mode) is fixed to the fixed platform and connected with a sliding block through a sliding pair, one end of a connecting rod is connected with the sliding block through a first ball pair, and the other end of the connecting rod is connected with the movable platform through a second ball pair. The middle restraint branch is of a PPU structure. A guide rail in the middle restraint branch is fixed to the fixed platform, one end of a lower connecting rod is connected with the guide rail through a first sliding pair, the other end of the lower connecting rod is connected with one end of an upper connecting rod through a second sliding pair, and the other end of the upper connecting rod is connected with the movable platform through a universal hinge. The two-rotation two-motion four-freedom-degree parallel excitation platform can achieve the space two-dimensional independent rotational freedom degree and the two-dimensional independent movement freedom degree and has the advantages of being simple and compact in structure, rapid in dynamic response, easy to install and maintain and the like.

The invention provides a simulated climate chamber of an underground coal mine thermal environment and a test method. The simulated climate chamber is provided with a control cabinet, a first computer, a temperature-humidity system, a fresh air system, a simulated air system, a human body micro-climate acquisition system, an alarm system, and a human body physiological index test system. The simulated climate chamber comprises an experiment preparation room, a test room, and an equipment room. The test method of the simulated climate chamber consists of four steps. Through the simulated climate chamber, personal protection cooling suits for mine and protective properties of the cooling suits can be subjectively and objectively evaluated. Through the simulated climate chamber, the underground coal mine thermal and humid environment can be relatively really simulated; comparatively accurate data is provided; and environment uncontrollability during a live environment test is avoided. The simulated climate chamber and the test method can meet practical operational needs.

The invention belongs to the technical field of modern intelligent manufacturing, and relates to a method for resolving the minimum spatial turning path of joints of a mechanical arm in the field of industrial robots. The method comprises the steps that an iteration origin set which can be converged to all inverse kinematics solutions corresponding to a single pose of the mechanical arm is constructed in combination with the chaos phenomenon, iteration origins are sequentially substituted into an LM iterative algorithm to resolve the inverse kinematics solutions; repeated results and results beyond the movement range of the joints of the mechanical arm are eliminated to obtain all feasible inverse kinematics solutions corresponding to the single pose; then, all the feasible inverse kinematics solutions are solved sequentially to obtain all feasible spatial moving path solutions of the joints; and finally, a search algorithm is established to calculate the minimum spatial turning path of the joints of the mechanical arm. By the adoption of the method, the problems of sudden changes of spatial path positions of the joints and large displacement of the joints are effectively solved; and the method has the advantages of high calculation precision and smooth paths and can better meet actual operating requirements of the mechanical arm.

The invention discloses a NFC-based wireless intelligent electric power inspection system. The NFC-based wireless intelligent electric power inspection system comprises a NFC label, a mobile inspection terminal, and a management terminal; the NFC label is arranged at a corresponding inspection point, and is used for storing inspection content corresponding to the corresponding inspection point; the mobile inspection terminal is carried by inspection personnel, and is used for reading the inspection content of the NFC label at the inspection point, uploading inspection record after inspection, and reminding updating of inspection information; the management terminal is used for setting and updating inspection information, receiving and storing inspection record uploaded by the mobile inspection terminal, and providing administrators of different levels with data browsing or set authorization of corresponding levels. The NFC-based wireless intelligent electric power inspection system is capable of improving inspection quality greatly, standardizing universal inspection standards, solving problems such as inspection item skipping, missing, standard disunity, and unclear responsibility, reducing working load of inspection personnel, and increasing working efficiency and equipment operation safety.

The invention discloses a steel bar cutter, which comprises a machine frame (1), a power mechanism, a circumferential rotating device (2), a longitudinal feeding device (3), a pressing device (4), an ejecting fulcrum (5), a punching device (6), an operating console (7) and a cutting device arranged outside the machine frame, wherein a motor I in the circumferential rotating device (2) drives a plurality of rotating carrier rolls consisting of driving wheels and driven wheels in pair to rotate; a steel bar rotates with the rotating carrier rolls; the cutting device arranged outside the machineframe cuts a circle of cut mark mouth on the steel bar; the longitudinal feeding device (3) feeds the steel bar to the rear table top of the machine frame (1); the punching device (6) punches the steel bar suspended behind the ejecting fulcrum (5); and the steel bar is cut off suddenly at the cut much mouth. The steel bar cutter has the advantages of steam line operation, continuous feeding, mechanical conveying, high cutting speed, high working efficiency, simple operation, time and labor conservation and production cost reduction.

The invention discloses a steel bar cutter, which comprises a machine frame (1), a power mechanism, a circumferential rotating device (2), a longitudinal feeding device (3), a pressing device (4), an ejecting fulcrum (5), a punching device (6), an operating console (7) and a cutting device arranged outside the machine frame, wherein a motor I in the circumferential rotating device (2) drives a plurality of rotating carrier rolls consisting of driving wheels and driven wheels in pair to rotate; a steel bar rotates with the rotating carrier rolls; the cutting device arranged outside the machineframe cuts a circle of cut mark mouth on the steel bar; the longitudinal feeding device (3) feeds the steel bar to the rear table top of the machine frame (1); the punching device (6) punches the steel bar suspended behind the ejecting fulcrum (5); and the steel bar is cut off suddenly at the cut much mouth. The steel bar cutter has the advantages of steam line operation, continuous feeding, mechanical conveying, high cutting speed, high working efficiency, simple operation, time and labor conservation and production cost reduction.

The invention relates to a power quality disturbance source working condition identifying method comprising the following steps: (1) acquiring power data of a power quality disturbance source; (2) acquiring a power data format which can be used for clustering; (3) analyzing the acquired power data; and (4) classifying the acquired power data using a clustering analysis method. The method provided by the invention overcomes the defects of the traditional power quality analysis method such as low efficiency, high cost and unsuitability for large-scale data set processing, is practical and efficient in the aspect of power quality disturbance source working condition identification, and is of low cost and good performance.

The invention discloses a liquid level meter type rain gauge. The liquid level meter type rain gauge comprises a base, a casing, a drainage device, a water replenishing device, a water level monitoring and sensing device and other components, wherein the water level monitoring and sensing device is used for monitoring the water level in a rainfall measurement barrel and performing data communication with a central processing unit. According to the liquid level meter type rain gauge disclosed by the invention, a magnetostrictive liquid level measurement technology is creatively applied to rainfall measurement, and is combined with the drainage system and the water replenishing system to form a full-automatic rain gauge; the problem that the rainfall is difficult in accurate measurement under the condition of various rainfall intensities is solved, the measurement precision is improved, and the demand on actual work is met.

The invention discloses an order-preserving sequence pattern mining method and relates to the technical field of electric digital data processing. According to the method, a candidate mode is generated by using a mode fusion method; the number of candidate modes is reduced, and the mode support degree of the candidate modes is calculated through a series of conversion and verification steps. The defects that in the prior art, for mining frequent patterns from a time sequence, solving accuracy, generality and completeness are difficult to consider at the same time, it is difficult to ensure that important information is not lost when the time sequence is processed, and it is difficult to analyze key trends by mining the frequent patterns are overcome.

The invention discloses a method for processing a turbine of an ORC expander generator. The method comprises the steps: (1) roughly turning the end face of a blank, and thus obtaining a part; conducting flaw detection for the part; (2) roughly turning the part, and removing large allowance of the part; (3) inspecting the mechanical performance of material of the part; (4) conducting semi-finish turning for the end face of the part and the outer meridian plane, and turning an inner hole in the inner part of the part in one step; (5) drawing milling reference lines of two sides of runners; (6) milling the runners; (7) conducting semi-finish turning for the outer meridian plane and the inner hole, and adjusting the bouncing requirement of the outer meridian plane and the inner hole; (11) drawing position reference lines of a key groove and an end face hole; (12) machining the key groove; (13) drilling the end face hole; (14) conducting a dynamic balance test; (15) conducting flaw detection for the part; (16) and gripping the part to remove burrs. The method has the advantages of small error and high precision.

The invention discloses a method for determining the content of narcotics and metabolites thereof in sewage, which comprises the following steps: step 1, adjusting the pH value of a sewage sample to be less than 2, and filtering impurities for analysis; step 2, solid-phase extraction: activating a solid-phase extraction column by using methanol and ultrapure water in sequence before extraction, uniformly mixing the mixed deuterated internal standard working solution with a sample to be detected, transferring into the solid-phase extraction column, leaching by using ultrapure water, vacuumizing the solid-phase extraction column, eluting by using a 5% ammonia methanol solution, vacuumizing the solid-phase extraction column, and collecting eluent; blowing the eluent to be nearly dry, adding and evenly mixing 0.1% formic acid aqueous solution, wherein a 0.22-micron nylon microfiltration membrane is used for filtering, and the eluent is used as a detection material sample extracting solution for instrument detection; and step 3, carrying out liquid chromatography-tandem mass spectrometry analysis on the sample extracting solution, and detecting the contents of the drugs and the metabolites thereof. The invention basically comprises various drugs involved in the existing case, so as to meet the requirements of actual work.

The invention discloses a safety chain protection mechanism and a safety chain protection method for a vertical impact test-bed. The safety chain protection mechanism comprises a safety plug and a switching element, wherein the switching element is connected to a control system of the vertical impact test-bed. According to the safety chain protection method, a signal is sent to the control system of the vertical impact test-bed by the switching element when the safety plug is inserted into a guide pillar of the vertical impact test-bed, so that the control system cannot send an action command for descending an operating platform of the vertical impact test-bed, so as to realize the safety chain protection of the vertical impact test-bed. The safety chain protection mechanism provided by the invention has the advantages that the structure is simple, the cost is low, the operation method is convenient, the potential safety hazard caused by faulty operation in working process of the vertical impact test-bed can be eliminated and the practical working requirement is met.

The invention discloses a belt conveyor of a vacuum low-temperature grain drying tower. The belt conveyor comprises a base and a support frame, wherein a groove No.1 is formed in the surface of the base, a controller is arranged at one side of the groove No.1, the surface of the base is connected with an electric compressive rod, the bottom of the electric compressive rod is provided with a rotating shaft, the top of the electric compressive rod is provided with a sliding rod, the bottom side of the support frame is provided with a groove No.2, a sliding rail is arranged in the groove No.2, rolling wheels are arranged at the two sides of the support frame, one sides of the rolling wheels are connected with a chain, one side of the chain is connected with an electromotor, one side of the electromotor is provided with a cooling fan, and a conveyor belt is arranged on the surfaces of the rolling wheels. The belt conveyor is novel in design, meets actual work requirements, is convenient to use as the conveyor belt can be regulated in upper, lower, left and right directions, is convenient to store, occupies small area, is high in practicability, is suitable for various complicated environments, can be continuously used, is long in service life, is high in work efficiency and is suitable for wide popularization.

The invention belongs to the civil aviation logistics application field, and particularly relates to an airport luggage high-speed conveying and sorting system. The system comprises a track part, a dynamic sorting device and a luggage high-speed conveying tray; the luggage high-speed conveying tray is used for conveying the luggage on the track part, and the dynamic sorting device is used for carrying out high-speed sorting on the luggage; the track part comprises a straight track, a turning conveyor, at least one section of rapid shunting conveying device and at least one section of rapid confluence conveying device; and a supporting wheel device capable of realizing rapid dismounting and mounting is arranged on the track part. According to the system, high-speed conveying and sorting ofthe airport luggage can be realized; and the whole system is rearranged, a conveying part and a luggage sorting part in the system are mainly improved, so that the speed of conveying the luggage of the whole system can be up to 10 m / s, the stability of the luggage sorting part in the system during tipping is improved, so that the safety and stability when the luggage is conveyed and tipped can beguaranteed on the premise that the system guarantees that the luggage can be conveyed at a high speed.

The invention discloses a stop iron mechanism of a cutting machine. The stop iron mechanism comprises an upper fixing base, a lower fixing base, a sliding bush, stop iron and a hexagonal shaft, wherein the flange end of the lower fixing base is fixed on the lower side plane of an upper template of the cutting machine; the other end of the lower fixing base passes through the upper template of the cutting machine and extends to the upper side plane of the upper template of the cutting machine; the upper fixing base is fixed on the lower fixing base; the sliding bush is in sliding fit in the upper fixing base, but is fixed axially; the hexagonal shaft is fixed by passing through the sliding bush and the stop iron; the stop iron is in threaded connection with the lower fixing base; by rotating the hexagonal shaft, the stop iron can be driven to move axially in the lower fixing base, so that the stop iron can be adjusted; and every part is positioned on the basis of the lower fixing base. The stop iron mechanism has a simplified structure, the processing and assembling accuracies are easy to ensure, and sticking phenomenon is avoided; and the stop iron is adjusted and locked separately, so that the requirements of practical work are met.

The invention discloses a connecting structure for beams and a stand column of a glass curtain wall. The connecting structure comprises beams, adapting pieces, a stand column, bosses, bolts and screws, wherein each movable adapting piece is arranged in the front end part of the section of each beam and comprises a sliding plate and a connecting plate; each sliding plate is arranged at the bottom of the corresponding connecting plate and fixedly connected to the same to form an h shape; each boss is arranged on one side of the corresponding sliding plate; the sliding plates are connected to the stand column by the plurality of bolts; the connecting plates are provided with bolts; the connecting plates are fixed to the stand column by the bolts. According to the connecting structure for the beams and the stand column of the glass curtain wall, the beams and the stand column are connected by the adapting pieces, and the adapting pieces can be conveniently fixed to the stand column, thus being unnecessary to process parts on the scene, simple in structure and convenient to install, improving work efficiency on the scene and meeting requirements in practical work.

The invention relates to the technical field of power transmission line monitoring, in particular to a multifunctional bird repelling device capable of visually monitoring a power transmission line. The device comprises an electricity taking and energy storing device, wherein a pan-tilt is arranged at the lower end of an energy-taking part; a ball machine, a monitoring control unit, a bird repelling unit, a weather and power transmission line icing monitoring unit and a communication unit are arranged on the pan-tilt; the electricity-taking and energy storing device provides power for the pan-tilt, the ball machine, the monitoring control unit, the bird repelling unit, the weather and power transmission line icing monitoring unit and the communication unit; the ball machine is connected with the monitoring control unit, and the monitoring control unit is separately connected with the bird repelling unit and the communication unit. The multifunctional bird repelling device capable of visually monitoring the power transmission line integrates the functions of power transmission line icing monitoring, visual power transmission line monitoring and bird repelling, and whether or not birds move around the power transmission line and whether or not the power transmission line has hidden damage dangers caused by an external force, foreign matter and the like can be determined through the ball machine and the monitoring control unit. The bird repelling unit and the communication unit are used for repelling the birds, so that the equipment cost and the installation and maintenance costs are reduced.

The invention discloses a saturated humidity generator comprising a first closed container, a second closed container, and a cooling system. A gas inlet end of a first gas circuit is a gas input end, and the gas outlet end of the first gas circuit is disposed on the upper part of the inner cavity of the first closed container. A gas inlet end of a second gas circuit is disposed on the lower part of the inner cavity of the first closed container. Deionized water is accommodated in a second closed container, and the gas outlet end of the second gas circuit is disposed under the liquid level of the deionized water in the second closed container. A gas inlet end of a third gas circuit is disposed above the liquid level of the deionized water in the second closed container, and the gas outlet end of the third gas circuit is connected with a gas inlet end of a cooling pipe of a cooling system. The cooling system comprises a substrate provided with the built-in cooling pipe, and the substrate is provided with a cooling device. A controller is connected with the cooling device in a controlled manner, and the gas outlet end of the cooling pipe is the gas output end. The saturated humidity generator can be used to convert the gas having the unknown vapor pressure input by the gas inlet opening into the gas having the known vapor pressure output by the gas outlet opening, and therefore the accurate control over the vapor pressure can be realized.

The invention discloses a top-k adaptive comparison mode mining method based on an incomplete network tree, can be used for feature extraction of multi-class sequences by mining a top-k adaptive comparison mode, and belongs to the field of sequence mode analysis of data mining. According to the method, the problem of support degree calculation of a non-overlapping adaptive comparison mode is solved by utilizing an incomplete network tree structure, and the super-mode support degree is solved through the support degree of the sub-modes, and therefore redundant calculation is prevented; a contrast priority mining strategy, a Zero pruning strategy and a Less pruning strategy are adopted to reduce generation of candidate modes, and time complexity and space complexity are reduced. According tothe method, a user does not need to give a minimum support degree threshold value and a gap constraint, the self-adaptive comparison mode mining is realized, the setting of the minimum support degreethreshold value and the gap constraint is prevented, the problem that the mining efficiency and the result completeness are difficult to consider in the comparison mode mining process in the prior art is solved, and the sequence classification precision and the interpretability of the classification model are favorably improved.

The invention relates to a double-transmitting-coil transient electromagnetic combination device which comprises a positive transmitting coil, a negative transmitting coil, a receiving coil, a transmitter and a receiver. The positive transmitting coil and the negative transmitting coil are electrically connected with the transmitter, and the receiving coil is electrically connected with the receiver. The receiving coil is located in the forward transmitting coil, and the reverse transmitting coil is located in the receiving coil. When the transmitter supplies power to the positive transmittingcoil and the negative transmitting coil, the current directions in the positive transmitting coil and the negative transmitting coil are opposite, and the magnetic flux generated by the positive transmitting coil in the receiving coil and the magnetic flux generated by the negative transmitting coil in the receiving coil are equal in size and opposite in direction. According to the invention, thetotal magnetic flux generated by the positive transmitting coil and the negative transmitting coil in the receiving coil is zero, the aliasing phenomenon of a primary field and a secondary field of aconventional receiving coil can be eliminated, the influence of mutual inductance is reduced, and an observed transient electromagnetic signal is enabled to accord with an actual law.

A double-probe four-laser-beam focus positioning device relates to= measurement and positioning devices. The focus positioning device comprises a positioning plate, a first laser head and a second laser head; the first laser head and the second laser head are provided with two laser rays respectively, and a first laser through hole, a second laser through hole, a third laser through hole and a fourth laser through hole which are obliquely formed are machined in the positioning plate, the plane where the two laser rays of the first laser head are located and the plane where the two laser rays of the second laser head are located are coplanar, and the fixed focuses of the two laser rays of the first laser head and the fixed focuses of the two laser rays of the second laser head coincide to form a four-laser-beam measuring focus. The first laser head and the second laser head are arranged in the same side of the positioning plate, and the four-laser-beam measuring focus is arranged in theother side of the positioning plate. The device is simple in structure and can determine the position of the laser focus.

The invention discloses an intelligent material carrying robot, and belongs to the technical field of material carrying. According to the key points of the technical scheme, the intelligent material carrying robot comprises a chassis and a driving device arranged at the bottom of the chassis, a steering engine is arranged at the top of the chassis, and the driving end of the steering engine is connected with a mechanical arm mechanism; a stepping motor for driving the mechanical arm mechanism is arranged at the top end of the chassis; a V-shaped three-layer tooth-shaped mechanical claw is arranged at the free end of the mechanical arm mechanism; the front side, the rear side, the left side and the right side of the chassis are all provided with eight-way gray level sensors; a two-dimensional code recognizer and a color recognition sensor are arranged at the top of the chassis; and a micro main controller, a WIFI signal receiver and a aircraft battery are arranged at the top of the chassis. The robot can carry materials and accurately place material blocks in a specified area according to task information, and manual interaction means and other auxiliary devices do not need to be used when the robot works; and meanwhile, the moving flexibility and the control precision are high, material grabbing and accurate placing can be completed, the working range is wide, and the requirements in actual operation can be met.

The invention belongs to design techniques of electric cranes, and further relates to the improvement on the lifting mechanism of an aviation airborne electric crane. The lifting mechanism is characterized in that a steel wire rope pressing mechanism is arranged outside a rectangular window; and the steel wire rope pressing mechanism comprises two torsional springs (6), a driven gear (7b), a torsional spring shaft (8), a right torsional spring shaft seat (9), a right pressing barrel (10), two swinging arms (16), a left pressing barrel (17), a liner bushing (18), a locating pin (19), a flat key(20) and a left torsional spring shaft seat (21). According to the lifting mechanism of the aviation airborne electric crane provided by the invention, when goods are lifted by the lifting mechanismof the electric crane, that the steel wire rope is quickly wound on the winding drum smoothly and orderly is ensured, the electric crane realizes the high-frequency goods lifting function, and practical working requirements are met.

The invention relates to a redundant water draining system of high-back-pressure units of an origin station of a heat supply network. The redundant water draining system of the high-back-pressure units of the origin station of the heat supply network comprises the No.2 and No.4 high-back-pressure units of the origin station of the heat supply network. Sealing water of a feed water pump of the No.2 high-back-pressure unit of the origin station of the heat supply network and sprayed water of a low-pressure cylinder of the No.2 high-back-pressure unit of the origin station of the heat supply network are supplied to condensation water of an adjacent machine; No.1A and No.1B heaters of the origin station of the heat supply network drain water, recycle the water and feed the recycled water to deaerators of the No.2 and No.4 high-back-pressure units of the origin station of the heat supply network, and draining electric control valves are additionally arranged on return water pipelines. The redundant water draining system has the advantages that problems of incapability of reasonably distributing draining flow, complicated structure, high cost, troublesomeness in use and operation, easy influence of water levels of units, severe disturbance anomaly and excessive control of an existing condensation water delivering and recycling device of a heat supply network and a method implemented by the existing condensation water delivering and recycling device can be solved; actual work requirements of the heat supply network can be met.

The invention discloses a handling device for intelligent storage, which comprises a base, a lifting column is fixedly connected above the base, a hollow box is movably connected above the lifting column, a support plate is glued above the hollow box, and the support plate A driving device is welded on the right side of the plate, a first pulley is arranged above the driving device, the driving device and the first pulley are fixed together by a connecting rod, a baffle is rotatably connected to the left side of the support plate, and the baffle A first fixed block and a second fixed block are welded under the plate, the inside of the hollow box includes a second pulley, a main body plate, a spring and a sling, and the driving device includes an elastic block, a push rod motor and a mounting seat. The handling equipment for intelligent storage can carry out the work of conveying and placing goods at different heights. The movement effect of the push rod of the push rod motor drives the baffle to rotate, so that the baffle acts as a transmission belt to ensure better delivery of goods. .

The invention discloses an optical waveguide chip and PD (photodiode) array coupling packaging structure. The optical waveguide chip and PD array coupling packaging structure comprises a soleplate, a waveguide supporting rack, a waveguide chip and a substrate, wherein a third sign line surface is arranged on the back surface of the substrate of the waveguide chip; a first sign line surface and a second sign line surface are arranged on the substrate respectively; the PD array with an upward photosensitive surface is adhered to the first sign line surface; a U-shaped spacer with an upward opening is adhered to the second sign line surface; the groove width of the U-shaped spacer is equal to the width of the waveguide chip; and the waveguide chip, of which the third sign line surface and the second sign line surface have corresponding widths, penetrates through a U-shaped groove of the U-shaped spacer and is positioned over the PD array. The optical waveguide chip and PD array coupling packaging structure can control axial positions, so that passive alignment of the optical waveguide chip and the PD array can be achieved.

The invention discloses a piezoelectric self-energized luminous umbrella. The piezoelectric self-energized luminous umbrella comprises an umbrella handle and an umbrella fabric, wherein a power supply module and a control module are arranged in the umbrella handle, the umbrella fabric is provided with a luminous apparatus, the power supply module comprises a piezoelectric power generation unit and an energy storage unit, two sides of the umbrella handle are provided with an extrusion deformation zone, the piezoelectric power generation unit comprises a piezoelectric body matched with the extrusion deformation zone in a contact manner and a limiting body controlling a deformation direction of the power generation unit, and the piezoelectric body is arranged at two sides of the umbrella handle and connected with the energy storage unit. Two sides of the umbrella handle are extruded by an umbrella bearer, an umbrella handle shell drives the piezoelectric body to be deformed, and the piezoelectric body generates different electric charges in the deformation process to generate a potential difference, thereby charging the energy storage unit. The luminous apparatus can be started only by turning on a switch.

The invention relates to a non-overlapping adaptive frequent sequence pattern mining method, and belongs to the field of sequence pattern analysis of data mining. According to the method, candidate mode generation is reduced by using a mode growth strategy, and a single-branch network tree is constructed through a depth-first strategy to improve the support degree calculation efficiency; the problem of non-overlapping adaptive frequent sequence pattern mining is solved; according to the method, under the condition that gap constraints are not given, the non-overlapping frequent pattern miningis realized; the problem that the existing sequence pattern mining technology is difficult to consider the flexibility, high efficiency and completeness of mining at the same time is solved; the method is convenient for a user to use, the time complexity and the space complexity can be effectively reduced, and complete and valuable information is obtained while the non-redundancy of a mining result is ensured.

The invention belongs to the technical field of chromatographic detection, and specifically relates to a method for quickly detecting vancomycin by utilizing LC-MS (Liquid Chromatography-Mass Spectrometry). The method comprises the following steps: smashing a to-be-detected sample, adding an extracting reagent, and uniformly mixing; then carrying out ultrasonic extraction, and centrifuging, thus obtaining supernatant; extracting the supernatant by adopting water saturated normal hexane, thus obtaining a to-be-purified solution; activating through an MCX solid-phase extraction column, taking and sampling the to-be-purified solution, carrying out drip washing and impurity removing by using methanol, then eluting by using amonium methanol, and collecting an eluent; concentrating, forming a constant volume by using a constant volume solution, and filtering, thus obtaining a purified solution; detecting the purified solution by adopting an HPLC-MS (High Performance Liquid Chromatograph-MassSpectrometer). The method disclosed by the invention has the advantages that the problems of large matrix effects, low sensitivity and the like existing in a process of detecting animal derived foodand particularly the animal derived food with a high fat content in the prior art are well solved, ideal recovery and precision degree are obtained, the minimum detection limit of the method is 0.3 mug / kg, and repeatability and reproducibility of an analysis result are effectively ensured.