198results about How to "Reduced operating requirements" patented technology

The invention belongs to the technical field of agricultural food detection, and particularly relates to a method for rapidly detecting the fatty acid content of Beijing ducks based on a near infrared spectrum technology, which comprises the following steps: selecting a sample and pre-treating the sample; collecting sample data by using a standardized collection method; removing abnormal samples; performing spectral data correction; standard normal variable transformation is used to eliminate baseline drift and random errors in the spectral data; dividing the data set into a training set and a test set according to a proportion of 7: 3 by using a sample set division method based on a joint X-Y distance; constructing an optimized extreme learning machine model, and training the optimized extreme learning machine model based on the training set; constructing an evaluation model, and verifying the detection effect of the optimized extreme learning machine model based on the test set; rapid detection of the fatty acid content of the Beijing duck is realized. The defects that an existing method is long in consumed time and lagged in detection result, and dangerous solvents need to be used are effectively overcome.

The mahjong machine comprises four sets of tile picking and carrying systems arranged around a tile shuffling large disc, and each tile picking and carrying system comprises a tile conveying device, a tile horizontal pushing and feeding device and a tile pushing device; the tile conveying device comprises a tile conveying motor; the tile pushing device comprises a tile bearing block and a tile pushing head; the flat-pushing mahjong tile feeding device comprises a mahjong tile bearing plate, a mahjong tile supporting plate and a mahjong tile pushing plate, a mahjong tile storage channel is formed in the mahjong tile bearing plate, the mahjong tile supporting plate is located on the inner side of the mahjong tile bearing plate and can ascend and descend vertically, and the mahjong tile pushing plate is located on the outer side of the mahjong tile bearing plate and pushes mahjong tiles from outside to inside; the card bearing plate comprises a detachable plate; the tile conveying motor of the tile conveying device in one set of tile picking and carrying system is located below the detachable plate of the horizontally-pushing tile feeding device in the other adjacent set of tile picking and carrying system, and an opening used for taking out the tile conveying device and the tile conveying motor of the tile conveying device is formed after the detachable plate is detached. According to the scheme, when the tile feeding device is disassembled, assembled and maintained, the horizontally-pushing tile feeding device does not need to be disassembled, the disassembling and assembling workload is small, the operation requirement is low, professional personnel operation is not needed, and the maintenance cost is low.

The invention discloses a 6H scratch-resistant acrylic plate as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The acrylic plate comprises a first hardening coating, a PMMA (polymethyl methacrylate) layer and a second hardening coating from top to bottom. The scratch-resistant acrylic plate provided by the invention adopts an innovative hard liquid composition, and comprises polyurethane acrylic resin, an active monomer, metal oxide nanoparticles, a photoinitiator and an auxiliary agent. Compared with an existing scratch-resistant coating material, the scratch-resistant coating material has the advantages that the polyurethane acrylic resin is used as a main film forming substance and is combined with the active monomer and the photoinitiator, so that a high-hardness coating can be quickly formed under a photocuring condition, the formula of the coating is simplified, and the wear resistance, the toughness and the optical performance of the coating are effectively improved; the composition avoids dependence on traditional hardeners and solvents, reduces emission of volatile organic compounds, and is more environment-friendly.

The invention discloses a visual prostate implant conveying device, and belongs to prostatic hyperplasia surgical instruments.The conveying device comprises a conveying handle and a conveying pipeline, the conveying pipeline comprises a puncture needle pipeline, a composite pipeline, an installation end, an imaging system and a pressing plate, a needle cavity is formed in the puncture needle pipeline, a through cavity is formed in the composite pipeline, and the installation end is connected with the through cavity; the composite pipeline is fixedly connected to the lower side of the puncture needle pipeline; an arc-shaped channel in butt joint with the puncture needle pipeline is arranged in the installation end, and a pressing plate containing cavity is formed in the position, corresponding to the front end of the composite pipeline, of the lower side of the installation end. A camera storage cavity is formed in the portion, located on the lower side of the arc-shaped channel, in the mounting end, and observation windows are formed in the two sides of the mounting end and correspond to the camera storage cavity. The imaging system comprises a camera module rotationally arranged in the camera storage cavity; one end of the pressing plate is rotationally connected to the composite pipeline outlet end. The conveying pipeline has a large operation view field and is more convenient and safer to use, and the use requirement is lowered.

The invention discloses a vehicle energy management method. The method comprises the following steps: acquiring a preset vehicle operation condition; constructing a state variable equation and a control variable equation under a preset vehicle operation condition, and determining an algebraic constraint equation based on the state variable equation and the control variable equation; constructing a fuel cell attenuation equation based on the vehicle operation load and the vehicle start-stop times; constructing an ampere-hour circulation equation of the power battery; solving the algebraic constraint equation on the basis of a nonlinear programming method by taking the fuel cell attenuation amount and the power cell ampere-hour circulation amount as target quantities and aiming at prolonging the service life of the fuel cell and the service life of the power cell in a preset vehicle working condition to obtain an optimal state variable and an optimal control variable; and performing energy management on the fuel cell hybrid vehicle based on the optimal state variable and the optimal control variable.

The invention discloses finish paint coating equipment for an automobile coating production line, and relates to the technical field of automobile manufacturing, the finish paint coating equipment comprises an automobile finish paint station, the automobile finish paint station is sequentially divided into a spraying area, a drying area, a polishing area and a washing area in the direction of the production line, and spraying robots are symmetrically installed in the spraying area; the drying area is provided with an ultraviolet paint baking device, a polishing machine is installed in the polishing area, and multiple sets of washing pools are arranged in the washing area. By arranging the spraying robot, automatic spraying is achieved, the production efficiency is improved, the ultraviolet paint baking device and the polishing machine are used, dryness and smoothness of finish paint are guaranteed, the coating quality is improved, the angle and the position of the ultraviolet paint baking lamp can be flexibly adjusted through the design of the adjusting assembly, and the vehicle body spraying device adapts to vehicle bodies of different sizes and shapes.

The invention discloses laminated glass, a laminated glass manufacturing method, a panoramic front windshield and a vehicle. The laminated glass comprises a first glass plate and a second glass plate, the first functional membrane is of an integrally-formed membrane structure covering a dimming area on the upper portion of the laminated glass and a visible area on the lower portion of the laminated glass, and the first functional membrane is attached to the inner surface of the first glass plate; the second functional membrane is an integrally formed membrane structure or a spliced membrane structure covering a dimming area on the upper portion of the laminated glass and a visible area on the lower portion of the laminated glass, and the second functional membrane is attached to the inner surface of the second glass plate; the third functional membrane is clamped between the first functional membrane and the second functional membrane, and the third functional membrane is positioned in the visible area of the laminated glass; the functional component is clamped between the first functional membrane and the second functional membrane, the functional component is located in the dimming area of the laminated glass, and the functional component and the third functional membrane are spliced at the position where the dimming area is connected with the visible area.

The invention relates to the technical field of key equipment spinning machines in the fiber manufacturing process, and discloses large-capacity wet-process horizontal spinning machine equipment which comprises a plurality of multi-spindle-position spinning machines arranged in the side direction, and each multi-spindle-position spinning machine is provided with a plurality of spinning spindle positions; a plurality of independent baths are arranged in the multi-spindle-position spinning machine, a spinning nozzle is arranged at one end of each independent bath, stock solution sprayed by the spinning nozzles is formed into fiber tows in the independent baths, and a horizontal steering guide roller and an independent steering guide wheel are arranged at the end, away from the spinning nozzles, of the multi-spindle-position spinning machine. A plurality of spinning machines are designed side by side, each spinning machine is provided with a plurality of spinning spindle positions, the productivity of single equipment is remarkably improved, and the operation difficulty and the equipment maintenance requirement are reduced through fine yarn guiding and shaping processes, so that the production efficiency is improved; the equipment is compactly arranged, occupies a small plant area, is convenient for tour inspection, and is more convenient to operate and maintain.

The invention belongs to the field of battery impedance detection, and particularly relates to a battery module and a detection method for abnormal installation of the battery module. A positive electrode contact; a negative contact; and the detection module is connected with the positive electrode contact and the negative electrode contact. Power is supplied to the detection module through the battery body, after the battery module is connected with equipment, the detection module collects voltage and current of a line in real time, and after collection is completed, data information of the voltage and the current is collected through the detection module. And according to an impedance calculation formula: dividing the voltage drop V of the two voltages by the collected current I to obtain the impedance R between the battery module and the equipment connecting end, so that the impedance between the battery module and the equipment connecting end can be detected in real time when the battery module is installed in the equipment, and the connection condition of the battery module and the equipment can be conveniently judged. Therefore, the contact condition of the battery module and the equipment can be known in real time, the safety of the battery is ensured in real time, and the equipment can be checked in time when the impedance is abnormal.

The invention provides a wearable underwater power-assisted propulsion and control system, which comprises a propulsion module, a support module, a control module and an energy module, and specifically adopts a wearable double-propeller design, so that the problem of unbalanced rolling of a single propeller is solved, and two hands are liberated, so that the operation is more flexible; by means of the exoskeleton supporting module, the weight of the booster and other devices can be dispersed to the legs and the belly, the boosting supporting effect can be achieved even in the land environment, and the fatigue feeling of a wearer is reduced. Meanwhile, a manual control mode and an automatic control mode are integrated, operation is convenient and flexible, the navigational speed and the navigational direction can be automatically controlled through the posture and navigation sensor in the automatic mode, and the operation requirement and dependence on a wearer are reduced. The amphibious robot has the following beneficial effects that the amphibious robot has the characteristics of self-balancing type double propulsion modules, a wearable exoskeleton supporting structure, a self-adaptive two-way control mode, amphibious assistance and the like.

According to the silk fibroin hydrogel microneedle manufacturing method and the hydrogel microneedle, a silk fibroin solution and a riboflavin aqueous solution are evenly mixed to obtain a mixed solution, then a hydrogen peroxide solution is added into the mixed solution to be mixed to obtain a precursor solution, then the precursor solution is poured into a light-transmitting microneedle mold, and the silk fibroin hydrogel microneedle is obtained. Placing a microneedle mold containing the precursor solution into a vacuum pump, performing vacuum pumping treatment, taking out the microneedle mold, placing the microneedle mold under ultraviolet irradiation for illumination to form a gel, drying the gel at room temperature, taking out the gel from the microneedle mold, forming a plurality of convex cones on the outer surface of the gel, and performing vacuum pumping treatment on the cones to obtain the composite microneedle. The silk fibroin hydrogel microneedle is obtained. According to the design, the operation requirement is low, the slow release effect is good, the biocompatibility is high, and efficient carrying of treatment medicine is facilitated.

The split type toner cartridge comprises a frame body and an outer shell, the outer shell comprises a main shell and a side cover, the frame body is located in the main shell, one end of the frame body is provided with a driving and driven wheel, a transmission wheel and a reset gear, the driving and driven wheel, the transmission wheel and the reset gear are located in the side cover, the side cover is connected with the end portion of the frame body, and the side cover is connected with the end portion of the frame body. The reset gear is a fan-shaped gear body, and teeth are arranged on the circumferential portion of the fan-shaped gear body. The main driven wheel is meshed with a main wheel of the transmission wheel, and an auxiliary wheel of the transmission wheel is meshed with the reset gear; a through hole is formed in the position, corresponding to the reset gear, of the side cover, the reset gear is connected with a rotating handle, and the rotating handle is exposed out of the side cover. When the toner cartridge is reused, the operation is convenient, the side cover does not need to be disassembled, a special tool is not needed, a special technology is not needed, and the operation requirement is low. The drum powder box can be quickly reused, and environmental protection is facilitated. The utility model has a simple structure and is convenient to assemble.

The present application discloses a method for designing a wireless headset, comprising: constructing a database; selecting the structural data of the headset shell from the database according to the fixing method of the wireless headset on the auricle; selecting the data of the headset components from the database according to the performance requirements of the wireless headset; fitting multiple headset preliminary samples according to the selected structural data of the headset shell and the data of the headset components; and confirming the final sample from the multiple headset preliminary samples. The method of the present application reduces the knowledge accumulation requirements of the design engineer, and can generate multiple headset preliminary samples by using the constructed database and the automatic fitting function, which reduces the starting requirements of the design and helps to improve the design efficiency and design quality.

The utility model relates to a 24 + 12 gear variable transmission system and a tractor, which comprise a shuttle type gear shifting device, a creeper gear speed changing device, a main speed changing device and an auxiliary speed changing device, the shuttle type gear shifting device, the main speed changing device and the auxiliary speed changing device are sequentially in transmission connection, and the creeper gear speed changing device is in transmission connection with the shuttle type gear shifting device. The utility model has the beneficial effects that the corresponding speed change device is operated through the control mechanism to realize quick gear shifting and speed change, the structure is compact, the distribution is reasonable, the defect that the creeper gear speed of the existing small and medium horsepower tractor is poor in matching with a machine tool is overcome, and a variable speed transmission system with 24 + 12 gears is provided so as to be suitable for various working conditions; the use is convenient.

The utility model relates to the technical field of carbon fiber multifilament stretching reinforcement, in particular to a carbon fiber multifilament stretching reinforcement sheet preforming die which comprises an upper die and a lower die, the two sides of the upper die are respectively and fixedly connected with a first handle, the lower end face of the upper die is fixedly connected with a plurality of sets of bosses, and the bosses are arranged on the lower end face of the upper die. The bosses are linearly distributed on the two sides of the bottom end of the upper die at equal intervals, second handles are fixedly connected to the two sides of the lower die respectively, grooves are formed in the upper end face of the lower die, and the grooves and the bosses are correspondingly arranged. According to the utility model, by using the reinforcing sheet pre-forming mold, the quantity of glue solution smeared when each multifilament sample strip is reinforced can be ensured to be fixed, the operation requirement on personnel is reduced, the test error caused by inconsistent reinforcement is basically eliminated, and the operation is convenient.

The utility model discloses a spring blind mounting structure and external locking pressure type filter press oil cylinder for filter press oil cylinder, including cylinder body, piston and piston rod, and the front end of piston rod is equipped with locking nut through trapezoidal thread, and the locking nut and cylinder body are equipped with guide sleeve, and locking nut is connected with the force handle, and the mechanical locking is formed through the control force handle rotation locking nut, the inside cavity of piston rod is equipped with spring blind mounting structure, including first spring seat, second spring seat and spring, and first spring seat is connected with piston rod through screw no. One, and second spring seat is connected with piston rod through screw no. Two, and spring is connected through first spring seat and second spring seat. Through above -mentioned mode, the utility model discloses through external locking nut and built -in spring reset structure, guarantees mechanical lock pressure simultaneously, reduces the risk of leakage accident caused by filter press oil cylinder failure, and the risk position can be visualized, improves hydraulic energy availability.

The invention relates to a method for detecting sensitization of cosmetics containing hexylcinnamyl aldehyde, which comprises the following steps: reacting a to-be-detected cosmetic sample solution with an amino acid derivative stock solution, testing response values of amino acid derivatives before and after the reaction through liquid chromatography, and calculating the consumption percentage of the amino acid derivatives so as to judge the sensitization. The detection method provided by the invention is not only suitable for evaluating the potential sensitization of the raw material hexylcinnamyl aldehyde for cosmetics, but also suitable for evaluating the potential sensitization of finished cosmetics (containing hexylcinnamyl aldehyde perfumes with different contents), and has the characteristics of high sensitivity, good accuracy, wide application range, low price, high sensitivity and the like. And the requirements on quick screening and quick detection in enterprise production and practical application are met.

The utility model discloses a heavy calcium carbonate device of quantitative conveying splashproof material guiding hopper relates to calcium carbonate processing equipment field, including conveying belt, hopper, inclined baffle and rubber elastic sheet, and the core innovation point is the discharge port flow observation window, adjustable quantitative baffle and spliced discharge port splashproof coaming, adjustable quantitative baffle is located in the hopper discharge port inboard, and the effective unloading width is changed through adjustable screw rod, the discharge port flow observation window is equipped with high accuracy horizontal scale to the baffle, and the inboard is coated anti -fog coating, and the spliced discharge port splashproof coaming is 3 detachable cold -rolled steel sheets, and the enclosure forms "U type " splashproof structure. The device solves the defect that the prior art has no quantitative adjustment, no splashproof protection, no flow monitoring, and adapts to heavy calcium carbonate efficient conveying demand.

The invention provides a refrigerator which comprises a refrigerator body, a low-pressure storage unit and an air extractor. The low-pressure storage unit comprises a shell, a door body, a sealing element, a storage container fixedly connected with the door body, a guide rail device connected with the storage container and the shell, and a locking structure configured to be switched between an unlocking state and a locking state through single pressing; when the door body is closed, the locking structure locks the door body and the shell and extrudes the sealing element; when the air extractor works, under the action of the pressure difference of the two opposite sides of the door body, the door body drives the storage container to move in the closing direction, the sealing element is further pressed, and the locking structure is pressed; when the pressure on the two opposite sides of the door body is balanced, the locking structure is unlocked, and the door body opens the storage opening under the action of the locking structure; according to the device, locking operation is completed in the process of closing the door body, a high-sealing environment is formed by pressure difference formed on the two opposite sides of the door body by fully utilizing vacuumizing after locking operation, and the vacuumizing requirement is met.

The invention provides a refrigerator which comprises a refrigerator body, a low-pressure storage unit and an air extractor. The low-pressure storage unit comprises a shell, a door body, a sealing element, a storage container, a nitrogen-oxygen separation membrane, a pressure detection device, an oxygen concentration detection device, a ventilation unit, a guide rail device and a locking structure; the controller is configured to open the ventilation unit and start the air extractor when receiving the fourth signal; when the air exhaust device works for a preset air exhaust duration, the ventilation unit is closed; when the air pressure in the storage chamber is reduced to a first pressure value, the air extractor stops working; when the air pressure in the storage chamber is increased from the first pressure value to the second pressure value and the oxygen concentration is not higher than the second oxygen concentration, the air extractor works; when the air pressure in the storage chamber is increased from the first pressure value to the second pressure value and the oxygen concentration is higher than the second oxygen concentration, the fourth signal is sent to the controller; according to the device, locking operation is completed in the process that a user closes the door body, a high-sealing environment is formed by pressure difference formed on the two opposite sides of the door body by fully utilizing vacuumizing after locking operation, and the vacuumizing requirement is met.

The utility model relates to the technical field of galvanized steel pipes, in particular to a novel galvanized steel pipe which comprises a first pipe section and a second pipe section, and connecting plates are fixedly connected to the upper surface of the first pipe section and the upper surface of the second pipe section. The two movable plates are clamped in the sliding grooves in the two stress plates respectively, the push plate is pushed, the push plate drives the two rectangular plates to move, the two rectangular plates drive the two movable plates to be far away from each other, and at the moment, the stress plates extrude the springs and the sliding rods to slide along the inner side walls of the fixed plates; when the sides, close to each other, of the two movable plates move to the opening of the inner side wall of the connecting plate, the push plate is loosened, the elastic force of the spring drives the two stress plates to be close to each other, the two stress plates drive the movable plates to slide towards the inner side walls of the fixed plates, and under the action of the spring, the two movable plates are tightly clamped to the inner side walls of the two fixed plates; the connecting mode is simple, time and labor are saved, the requirement for operation of workers is not high, and practicability is high.

The invention discloses a gaseous mercury air-sea flux continuous automatic monitoring device and a method thereof, and relates to the field of air-sea flux measurement. Related data of the gaseous mercury air-sea flux are measured through operation of the monitoring device; the related data specifically comprise surface seawater temperature, sample water volume, gaseous mercury concentration in purge gas and gaseous mercury concentration in external environment atmosphere; the gas-state mercury air-sea flux is calculated by measuring related data and applying a film gas exchange model, and a result is obtained. According to the monitoring method, manual operation is not needed, the operation difficulty is greatly reduced, the operation requirement for personnel is low, and rapid and continuous calculation can be carried out in a short time.

The invention relates to the field of sewage treatment agent feeding, and discloses a CNN-BiGRU-based sewage treatment agent feeding concentration control method, which comprises the following steps: S10, collecting data of sewage treatment agent feeding concentration; s20, carrying out preprocessing on the collected data; s30, performing feature extraction on the data by using a convolutional neural network; s40, taking the features extracted by the convolutional neural network as an input sequence, and inputting the input sequence into a bidirectional gating circulation unit for sequence modeling; s50, according to the trained model, performing drug delivery concentration prediction on new input data; and S60, in combination with the data monitored in real time, a feedback control strategy is adopted to adjust the prediction result, and the control strategy is updated in real time. Sequence modeling is carried out by using the convolutional neural network and the bidirectional gating circulation unit, so that the characteristics in the sewage treatment process can be extracted more accurately, and the concentration of the put medicament can be predicted. Therefore, the agent feeding strategy can be optimized, and the sewage treatment efficiency and quality can be improved.

The invention discloses a Jenkins task processing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring configuration information for Jenkins; establishing secure communication with a Jenkins server according to user credential information in the configuration information, and obtaining an access protection token from the Jenkins server; and constructing request information according to the user credential information, the access protection token and a path of a to-be-processed Jenkins task, so that the Jenkins server processes the to-be-processed Jenkins task according to a processing mode carried in the request information. According to the technical scheme, the function of directly and automatically triggering and cancelling the Jenkins task in the development tool is achieved, so that the deployment efficiency is improved, and the operation requirement of a third-party GUI is reduced.

The utility model relates to the technical field of machining equipment, and discloses a new energy storage sheet metal module precise punching device which comprises a bottom plate, a positioning jig used for fixing a workpiece is arranged on the bottom plate, a jacking assembly used for jacking the workpiece out of the positioning jig is arranged on one side of the positioning jig, and a punching assembly used for punching the workpiece out of the positioning jig is arranged on the other side of the positioning jig. A guide hole plate is arranged on the other side of the positioning jig, and a plurality of guide holes are formed in the positions, corresponding to the workpieces, of the guide hole plate. The workpiece is clamped through the positioning jig, the position precision of all holes in the workpiece is guaranteed through the guide holes in the guide hole plate, the workpiece can be directly ejected out of the positioning jig through the jacking assembly after hole punching is completed, and the machined workpiece can be conveniently disassembled, and a next workpiece to be machined can be conveniently assembled; by means of the device, the operation difficulty and requirements of workpiece loading and unloading can be lowered, and the punching efficiency is greatly improved while the position precision of all hole sites is guaranteed.

The application relates to an on-orbit calibration method and system of a space-borne synthetic aperture radar, and belongs to the technical field of space-borne SAR calibration. The method comprises the following steps: after a satellite is put into orbit, a uniform scene target is selected to perform a calibration task before a routine observation task is performed, and initial values of distance direction beam pointing calibration parameters are obtained; in the routine observation task, a pointing calibration area and a calibration observation period of the pointing calibration area are determined; based on business data of the routine observation task, a distance direction pattern of the pointing calibration area observed in the calibration observation period is calculated; the observed distance direction patterns are compared one by one, distance pointing deviations of current observation relative to previous observation are inversely calculated, the distance direction pattern of the current observation is corrected, the distance direction beam pointing calibration parameters of the current observation are updated, and the accuracy of the business data of the routine observation task in each calibration observation period is ensured. The on-orbit calibration method is efficient and convenient, and the number of task arrangements is reduced.

The application discloses a kind of pure electric fork truck whole vehicle control system and control method, the whole vehicle control system includes whole vehicle controller VCU, information acquisition module, battery management system BMS, motor controller MCU1 (for controlling walking motor), motor controller MCU2 (for controlling hydraulic servo motor), solenoid valve, display screen module, GPS module, 4G / 5G communication module, network data monitoring and scheduling center.The whole vehicle control system can further achieve the purpose of energy saving, and provides real-time electric fork truck operating status for the driver, enhances driving safety, avoids the occurrence of rollover and front flip accident.

The utility model discloses a tug mooring rope mooring device, which belongs to the technical field of ship accessories and comprises a movable cart, a plane rotating component, an angle adjusting component and a launching component. The plane rotating assembly is arranged on the movable trolley and used for adjusting the angle of the emitting assembly in the parallel direction. The angle adjusting assembly is arranged above the plane rotating assembly and used for adjusting the angle of the emitting assembly in the vertical direction. The transmitting assembly is arranged above the angle adjusting assembly; the launching assembly comprises a launching cylinder, an elastic piece, a parabolic device, a limiting frame, a first sliding block, a connecting frame, a second sliding block, a sliding way, an adjusting rod, a handle and a bottom plate. The launching cylinder is a cylinder with an opening at one end; the elastic piece comprises a spring and baffles arranged at the two ends of the spring. Compared with the prior art, the problem that a mooring rope is directly and manually thrown by an existing tug is solved, and the operation difficulty of sailors is lowered.

The invention provides a refrigerator which comprises a refrigerator body, a low-pressure storage unit and an air extractor. The low-pressure storage unit comprises a shell, a door body, a sealing element arranged on the shell or the door body, a storage container fixedly connected with the door body, a guide rail device connected with the storage container and the shell, and a locking structure used for locking the door body and the shell when the door body is closed. When the door body is closed, the locking structure locks the door body and the shell, and the door body and the shell extrude the sealing element; when the air extractor works, the air pressure in the storage chamber is reduced, under the action of the pressure difference between the side, close to the outside, of the door body and the side, close to the storage chamber, of the door body, the door body drives the storage container to move in the closing direction through the guide rail device, and the sealing element is further pressed. According to the device, locking operation is completed in the process that a user closes the door body, a high-sealing environment is formed by pressure difference formed on the two opposite sides of the door body by fully utilizing vacuumizing after locking operation, and the vacuumizing requirement is met.

An unmanned aerial vehicle electroscope for a power transmission line can fly to a specified position for electricity testing through a pull rope by means of an unmanned aerial vehicle, manual tower climbing for electricity testing is avoided, and an operator does not need to wear heavy protective equipment to climb to the top of a tower which is tens of meters high and only needs to control the unmanned aerial vehicle to fly on the ground. Risks of aloft work under complex terrains or severe weather conditions are effectively reduced, life safety of personnel is greatly guaranteed, and the problem of high safety risk of a traditional electricity testing mode is solved. After the unmanned aerial vehicle lifts the whole device away from the ground, the pull rope is tightened, the bottom sleeve abuts against all the middle sleeves to the top sleeve to form an integral hard straight rod, and compared with a traditional mode that the unmanned aerial vehicle and the electroscope are connected through a soft insulating rope, irregular swing of the electroscope when the position of the unmanned aerial vehicle is adjusted is effectively reduced; the accuracy of the position when the electroscope moves along with the unmanned aerial vehicle is remarkably improved, the requirement for operation of workers is lowered, and the efficiency of whole electroscope operation is improved.