38results about How to "Reusable" patented technology

The invention discloses a composite material storage box forming mold and a manufacturing method thereof, and belongs to the technical field of composite material forming molds. An end socket connecting block, an end socket cylinder section connecting ring, a split type cylinder body assembly, a cap-shaped reinforcing rib and the like are manufactured in parallel and assembled to obtain the composite material storage box forming mold. The self-weight of the mold is greatly reduced while the outer molded surface of the combined mold is guaranteed, the mold filling and demolding processes are simplified, the end socket is left in the product after the product is formed, the strength and rigidity of the storage box are improved, and a stable connecting port can be provided.

The invention discloses a method for preparing a carbon source from kitchen waste, and belongs to the technical field of organic waste treatment. Comprising the following steps: preparing a Fe-loaded carbon nanomaterial; preparing a Fe-loaded carbon aerogel material; weighing the Fe-loaded carbon nanomaterial and the Fe-loaded carbon aerogel material according to a preset proportion to obtain mixed powder; the mixed powder is bonded through resin, then compression molding and roasting are conducted, and the conical filler is obtained; adding the conical filler and the kitchen waste into a pulping container of a carbon source preparation machine, and adding flora required for hydrolytic acidification of the kitchen waste; starting stirring to prepare the carbon source. According to the method, the kitchen waste is recycled through cooperation of the Fe-loaded carbon-based material and microorganisms, and the method has the advantages of being environmentally friendly, low in cost, high in efficiency, capable of being repeatedly used and the like.

The invention belongs to the technical field of mechanical and electrical installation, and discloses an intelligent stacking system and process method for a stator core of a hydraulic generator. The hydraulic generator stator core intelligent stacking system is composed of an intelligent logistics warehousing system, an automatic lamination system, an automatic measurement system and a digital twinning system. The process method comprises an iron core punching sheet intelligent storage and transfer process, an iron core punching sheet automatic stacking process and an iron core size automatic measurement process. According to the invention, full-process automation, punching sheet storage, intelligent transfer, punching sheet stacking and measurement process automation are realized in the stator core assembling and laminating process, a digital twin technology is adopted, a real-time installation scene is mapped in front of a computer screen, and the working state of the system can be remotely controlled. The labor intensity of personnel is relieved, the safety of the personnel is guaranteed, the installation quality is improved, the installation period is shortened, automatic measurement is achieved, measurement is efficient, measurement data is accurate, and whole-process data storage and query are achieved.

The invention relates to a method and a system for reducing an error of a reproduced wave, belongs to the technical field of vibration wave calibration, and solves the problems that a method for calibrating and correcting the reproduced wave in the prior art is high in threshold and long in time consumption, and results cannot be reused. Obtaining an input signal, inputting the input signal into the micro-vibration test bench, and collecting an output signal of the micro-vibration test bench; converting the output signal into an output frequency domain signal based on Fourier transform, converting the original reproduced wave signal into an original frequency domain signal, and determining whether the amplitude difference between the output frequency domain signal and the original frequency domain signal under each frequency in each direction is smaller than a preset error threshold value or not according to spectrum distribution; if the amplitude difference in each direction is smaller than a preset error threshold, taking the input signal as a reproduction wave input signal; if not, adjusting operation is executed, and the signals in all the directions in the input signals and the error adjusting signals in the corresponding directions are superposed to regenerate the input signals. The reproduced wave debugging method which is simple to operate and high in efficiency is realized.

This invention discloses a G4-DNA tetrahedral probe electrode, its preparation method, applications, and application methods. This invention utilizes four DNA strands to self-assemble into a DNA tetrahedral structure based on Watson-Crick hybridization. The DNA tetrahedron and G4 strand can be connected to the electrode based on the interaction between thiol groups and the gold electrode, and complementary base pairing. The addition of the DNA tetrahedron, through the construction of a reasonable probe density, further improves the detection sensitivity. This invention utilizes square wave voltammetry for electrochemical detection of malachite green. The content of malachite green can be determined based on the strength of the current signal of its characteristic peak. Rapid detection of malachite green can be achieved in a short time, with a minimum detection concentration of 3.65 μg / kg, showing potential for on-site detection. Six repeated tests using this electrode yielded almost identical detection signals, indicating that the electrode has good reusability and stability.

The utility model discloses a PFC circuit including a power supply module, a main power module and a control module, the control module is respectively connected with the power supply module and the main power module, the control module is used for collecting voltage and current of the PFC circuit, the power supply module includes a voltage stabilizing circuit, the voltage stabilizing circuit is connected with the control module, and the control module is connected with the main power module. The voltage stabilizing circuit is used for stabilizing input voltage, the main power module comprises an overcurrent and overvoltage protection circuit, a switching circuit and a PFC bridgeless totem-pole circuit which are electrically connected in sequence, and input current of the PFC circuit sequentially flows through the overcurrent and overvoltage protection circuit, the switching circuit and the PFC bridgeless totem-pole circuit. When a certain module in the PFC circuit goes wrong, the whole PFC board card does not need to be replaced, and the maintenance and replacement cost is low.

The utility model relates to the technical field of equipment for anti-corrosion construction of high-altitude buildings. The anti-corrosion tool for the boundary area of the helicopter deck comprises a support, the support comprises a front frame body and a rear frame body, the front frame body and the rear frame body are each formed by detachably splicing a plurality of square steel, a flat plate is horizontally installed on the front frame body through bolts, a plurality of universal wheels are arranged at the bottom of the front frame body, and the universal wheels are arranged at the bottom of the rear frame body. The hanging basket is arranged at the bottom of the rear frame body, a groove allowing the top of the hanging basket to be inserted is formed in the bottom of the rear frame body, and the side face of the groove and the side face of the top of the hanging basket are fixed together through bolts. The utility model has the beneficial effects that the anti-corrosion maintenance requirement of the helicopter deck boundary area can be met, the maintenance efficiency is improved, the maintenance cost is reduced, and the construction period is shortened.

The utility model relates to a concave-convex splicing assembly type wall body, the wall body comprises daughter boards (1) and corner splicing pieces (2), the two opposite sides of each daughter board (1) are respectively provided with a splicing clamping opening (1-1) and a splicing clamping groove (1-2) which are used for splicing, and the adjacent daughter boards (1) can be spliced in a plane mode through the splicing clamping openings (1-1) and the splicing clamping grooves (1-2); the corner splicing pieces (2) comprise right-angle bending splicing pieces (2-1), acute-angle bending splicing pieces (2-2) and obtuse-angle bending splicing pieces (2-3) which are used for right-angle corner splicing, acute-angle corner splicing and obtuse-angle corner splicing of the adjacent daughter boards (1); the daughter board (1) is provided with preformed holes (1-3) used for being matched with self-tapping screws to achieve fixation. Compared with the prior art, the sound insulation wall has the advantages that the problem of sound leakage generally existing at the splicing position of a traditional assembly type wall can be effectively solved, the sound insulation amount of the splicing position is equivalent to that of the wall, adjustment can be carried out according to the design requirements of close splicing or masking seams, and the sound insulation wall has the attractive effect and flexible design.

The application discloses a kind of wind turbine mixed tower tower cylinder water seepage monitoring system, method and wind turbine, including water seepage sensing unit, control unit, alarm unit and server, the water seepage sensing unit is arranged in spiral shape on tower cylinder inner wall from bottom to top, the control unit is electrically connected with water seepage sensing unit, the alarm unit and server are electrically connected with control unit respectively, utilize control unit real-time acquisition water seepage sensing unit inside current, when tower cylinder inner wall appears water seepage, short circuit occurs in water seepage sensing unit inside, control unit judges water seepage according to the loop current change of water seepage sensing unit and outputs alarm signal to alarm unit, and then according to the current size calculates water seepage distance, by server according to water seepage distance, tower cylinder and sensing line arrangement model is positioned to tower cylinder water seepage position.The application can long-term, comprehensive and effective real-time monitoring to tower cylinder rain water seepage situation, if water seepage is found, timely alarm and positioning water seepage position, it is convenient to check rectification.

The embodiment of the present application provides a kind of test equipment and photovoltaic module test method, test equipment is used to test photovoltaic module, test equipment includes: pressure detection unit, including at least one pressure sensor, set to the front of photovoltaic module, pressure sensor is configured to measure the wind pressure that photovoltaic module surface bears;Displacement detection unit, including at least one laser displacement sensor, laser displacement sensor is configured to correspond to the back of photovoltaic module setting, laser displacement sensor is configured to determine the displacement information of photovoltaic module;Data processing unit, with pressure sensor and displacement sensor electric connection, data processing unit is configured to collect wind pressure and displacement information, and by wind pressure and displacement information, determine the corresponding relationship between wind pressure and the structural response of photovoltaic module.The test equipment disclosed in the present application realizes the direct correlation test of wind pressure and structural response under real wind environment, avoids the defects that prior art cannot reflect real wind field.

The invention discloses a method and device for recognizing and reconstructing vector characters of a CAD drawing, and relates to the technical field of data processing. The method comprises the steps that a PDF file is analyzed, and vector elements and attribute information of the vector elements are extracted; character stroke candidate lines are screened out according to attribute grouping; carrying out connectivity analysis and density-based spatial clustering on the lines, and identifying a text region; rendering the vector lines of the text region into an image with high resolution, carrying out single character segmentation, and recognizing characters by combining drawing-level font library template matching with a single character recognition model; combining the single characters into word groups according to the positions and the context information, and performing word order correction by adopting a language model; the recognition result is written back into an editable CAD text object; according to the method, vector geometric information is directly utilized, distortion of bitmap sampling is avoided, the small character recognition rate and the anti-jamming capability are effectively improved, and end-to-end semantic recovery from vector lines to searchable and editable texts is achieved.

The utility model relates to a kind of sample preparation mould for liquid crystal encapsulation frame glue hardness test, belong to liquid crystal encapsulation frame glue testing technical field, sample preparation mould includes sample preparation layer, release layer and pressure cover layer, the sample preparation layer is structured as plate structure, and the center is provided with through-hole;Release layer is set to two pieces, respectively laid in the upper and lower two sides of the sample preparation layer;Pressure cover layer, set to two pieces, respectively laid in the other side of the release layer.The sample preparation mould for liquid crystal encapsulation frame glue hardness test provided by the utility model uses common material in each combination layer, and the manufacturing cost is low, and the mould can be repeatedly used;Through the sample preparation mould, the thickness of frame glue coating can be made consistent, shape is neat, UV curing effect is good, and easy to release.

The utility model belongs to the technical field of high performance liquid chromatographs, and discloses a high performance liquid mobile phase inlet filter protection device which comprises a solvent bottle cap, a straight triangular prism protection sleeve arranged below the solvent bottle cap, and an upper cover arranged outside the straight triangular prism protection sleeve through a hinge, the straight triangular prism protective sleeve and the upper cover are both made of transparent acrylic materials, through the design of the straight triangular prism protective sleeve and the upper cover, when a mobile phase needs to be added or replaced, an operator opens the upper cover and holds the solvent bottle cover by hand to enable the inlet filter to be aligned with the opening and stably insert the solvent bottle cover, and in the process, the solvent bottle cover is opened. The high-performance liquid phase inlet pipe and the inlet filter are always located in a closed space of the straight triangular prism protective sleeve, the protective sleeve effectively isolates dust, particles and other pollutants in the external environment, a physical barrier is formed, the risk that the filter is polluted is greatly reduced, and therefore the cleanliness of the filter is guaranteed, and the service life of the filter is prolonged. The stability of an instrument sampling system and the accuracy of an analysis result are maintained.

The utility model provides an oral soluble film package which comprises a box body, a plurality of bag bodies connected in an S shape through tearing lines are arranged in the box body in a split mode, a rotatable pressing roller is arranged on the inner side of the box body, one end of each bag body extends through a gap between the pressing roller and the box body, and the box body is provided with an opening so that at least one bag body can be partially exposed. Through the press rollers and the S-shaped arrangement design, successive extraction of the bag bodies is achieved, and adhesion or pollution is avoided. And structures including a connecting sheet, an isolation plate, a detachable side cover and the like are further improved, so that the sealing performance and the use convenience are improved. The medicine taking device is suitable for children, elderly patients and other scenes needing convenient medicine taking.

The invention belongs to the technical field of copper-clad plates, and particularly relates to a degradable and recyclable resin composition for a low-loss white copper-clad plate, which comprises a degradable curing agent, the degradable curing agent comprises one or more of degradable curing agents with the following structural formula; the invention also provides a preparation method of the degradable and recyclable resin composition for the low-loss white copper-clad plate, which comprises the following steps: uniformly mixing the degradable curing agent, the alicyclic epoxy resin, the polyphenyl ether resin, the hydrocarbon resin, the filler and the fluorescent whitening agent with the solvent to prepare the degradable and recyclable resin composition for the low-loss white copper-clad plate. The invention provides a recovery method of a prepreg and a copper-clad plate prepared from the degradable and recyclable resin composition for the low-loss white copper-clad plate. Compared with other degradable curing agents, the copper-clad plate prepared from the degradable curing agent has the following two advantages: 1) the degradation time is shortened by at least more than half, and 2) the flame retardant property is enhanced.

This invention belongs to the field of construction. It discloses a high-performance adhesive for impregnating carbon fibers and its curing method. The adhesive consists of 100 parts by weight of water glass, 50-100 parts by weight of a concrete interface treatment agent, and 1-2 parts by weight of a defoamer. The carbon fibers are impregnated in the adhesive for 10 minutes, then removed, straightened, and fixed. The curing time is no less than 3 days within the range of 5-25°C, and no less than 2 days above 25°C. After curing, this high-performance adhesive exhibits excellent water resistance, alkali resistance, and high-temperature resistance. Therefore, carbon fiber bundles impregnated with this adhesive, even after immersion in water or alkaline solutions, or in high-temperature environments, can maintain their mechanical properties unchanged.

The application discloses a pump gate pre-embedded part positioning device, and relates to the technical field of gate pre-embedded part installation of a pump gate system. A support plate longitudinal connecting rod is vertically connected with a base. The upper end of the support plate longitudinal connecting rod is sequentially connected with one end of a side support lower arm, a side support middle arm and a side support upper arm. The other end of the side support lower arm and the other end of the side support upper arm are respectively connected with a side support plate 1. The other end of the side support middle arm is connected with a side support plate 2. A support plate transverse connecting rod is connected between the side support plate 1 and the side support plate 2. The application adopts a single-piece combination form, is convenient to carry and is convenient to reuse. The support plate transverse connecting rod can adjust the positioning device to be applicable to pre-embedded part installation of gate slots with different widths. The support plate longitudinal connecting rod combination can be applicable to pre-embedded part installation of gate slots with different heights.

The disclosure relates to a kit of blanks, and a package (200) formed by such a kit of blanks, wherein the kit of blanks comprises a first blank (1) configured to form a package and a second blank (2) configured to form a closure strap (400) aiding in keeping the package closed, wherein the first blank comprises a bottom panel (10), a rear wall panel (20), two sets of side wall panels (30, 40), a lid panel (50), a first front panel (60), and wherein the second blank comprises an elongated body part (300) comprising a first and a second connection portion (310, 320) being configured to be connected to each other such that the elongated body part forms a continuous loop, wherein the first blank comprises a first slit (51) allowing the elongated body part of the second blank to extend into the package formed of the first blank and alongside an inside of the lid panel, and a second slit (52) allowing the elongated body part of the second blank to extend out from the package formed of the first blank.

The application discloses a vehicle assembly space checking method and related equipment, and relates to the technical field of vehicle assembly. The method comprises the following steps: obtaining bill of materials data and to-be-detected assembly data of a target vehicle model; based on a preset multi-modal process knowledge base, corresponding target tool models are matched for to-be-detected parts in the bill of materials data, wherein the preset multi-modal process knowledge base is a semantic association database constructed based on a part geometric feature vector, a tool envelope parameter vector and a process constraint rule vector; based on the to-be-detected assembly data and the target tool models, batch space path planning and interference checking are performed on each to-be-detected part, and checking results for the to-be-detected parts are generated. According to the application, semantic matching of parts and tools is realized based on structured assembly data and a multi-modal vectorized process knowledge base, batch path planning and space interference checking are performed on multiple to-be-detected parts, and the automation degree, matching accuracy and processing efficiency of assembly space checking can be improved.

The utility model discloses a kind of spinal column medical teaching models, specifically related to medical teaching technical field, comprising: between adjacent cervical vertebrae, between adjacent thoracic vertebrae and between adjacent lumbar vertebrae are all fixedly connected by intervertebral disc;Cervical vertebra assembly is detachably connected with thoracic vertebra assembly by connecting mechanism, thoracic vertebra assembly is detachably connected with lumbar vertebra assembly by connecting mechanism, and lumbar vertebra assembly is detachably connected with sacral vertebra assembly by connecting mechanism;And, pressure monitoring system, the pressure monitoring system is used to monitor the pressure received by the surface of several intervertebral discs.The utility model detachably connects cervical vertebra assembly and thoracic vertebra assembly, thoracic vertebra assembly and lumbar vertebra assembly and lumbar vertebra assembly and sacral vertebra assembly;Realize the quick assembly between the components of teaching model: convenient for modular teaching demonstration;Adjacent vertebral body is all fixedly connected by intervertebral disc, guaranteeing mechanical stability: withstands torsional load when side bending angle is adjusted.

This invention discloses a device and method for preparing a solid electrolyte membrane based on Joule heating technology, belonging to the field of battery materials technology. The device includes a main body; a Joule heating element is disposed in the inner cavity of the main body; several slide rails are disposed on both sides of the Joule heating element, and the slide rails are fixedly connected to the inner wall of the main body; a temperature sensor that can slide vertically is disposed on the slide rail; the Joule heating element includes a heat-insulating sleeve, which is a hollow cylindrical structure with open ends; a detachable support is connected to the bottom of the heat-insulating sleeve; a semi-circular positive electrode interface and a negative electrode interface are respectively connected to both sides of the heat-insulating sleeve; pressure relief and temperature measurement holes are also provided on the side wall of the heat-insulating sleeve; an internal thread is provided on the upper inner wall of the heat-insulating sleeve for threaded connection with a pressure head; a ceramic preform is installed in the inner cavity of the heat-insulating sleeve; pads are disposed on both sides of the ceramic preform. This invention can achieve rapid densification and crystallization of the ceramic preform to obtain a high-performance solid electrolyte membrane.

The invention discloses a preparation method and application of a prussian blue analogue composite material derived from a bimetallic (cobalt and iron) zeolite imidazole framework. A bimetallic (cobalt and iron) zeolite imidazole framework (CoFex-ZIF) is used as a self-sacrifice template, cobalt and iron Prussian blue analogues (PBA) grow in situ on the CoFex-ZIF at room temperature according to an ion exchange strategy, then a CoFex-ZIF / PBA composite material is successfully prepared and combined with an advanced oxidation technology, and a CoFex-ZIF / PBA / PMS / Vis advanced oxidation technology system is constructed and used for removing organic pollutants. Wherein the CoFe < 2.5 >-ZIF / PBA / PMS / Vis system has ultrahigh PMS utilization efficiency (71%) and good decontamination activity (the rate constant is 1.081 min <-1 >), and the CoFe < 2.5 >-ZIF / PBA / PMS / Vis system exceeds most heterogeneous Fenton advanced oxidation catalysts.

The application provides a macroporous adsorption resin for extracting and enriching rubidium and cesium and a preparation method thereof. The macroporous adsorption resin is modified with specific adsorption groups on the skeleton structure, and is prepared in two steps. In the first step, a resin precursor containing specific reaction groups is prepared through polymerization. In the second step, the specific adsorption groups are introduced on the skeleton structure of the resin through the reaction of the reaction groups with t-butyl phenol. The prepared macroporous adsorption resin has the advantages of high selectivity, high adsorption capacity, reusability, simple operation and no organic pollution in the extraction and enrichment of rubidium and cesium.

The present invention discloses a non-pyrotechnic low-impact electromagnetic locking and releasing device, comprising a target seat end assembly and a locking pin; the target seat end assembly comprises a target seat cylinder, a hole elastic retaining ring, a DC traction electromagnet, a retainer, a steel ball, and a reset spring; the target seat cylinder comprises a large-diameter inner cavity and a small-diameter inner cavity structure; the steel ball is installed in a spherical groove of the retainer, and the retainer and the steel ball are installed together in the small-diameter inner cavity of the target seat cylinder, one end of the reset spring contacts the inner end face of the retainer, and the other end contacts the end face of the DC traction electromagnet, and the DC traction electromagnet is installed in the large-diameter inner cavity of the target seat cylinder. The device adopts a non-pyrotechnic electromagnetic drive principle, has the characteristics of low unlocking impact, safety and energy saving, simple structure, reliable connection, and reusability, and adopts an electromagnetic drive form that can greatly reduce the unlocking impact load, increase the service life of the locking and releasing device, and reduce the risk of failure of high-precision detection equipment.

The invention provides a power distribution cabinet operation state real-time monitoring method and system based on edge calculation, and relates to the technical field of data processing, and the method comprises the steps: taking the change relation of the operation states between adjacent sampling points as a connection condition to form a state segment, extracting a change direction sequence and a change amplitude sequence of each operation data in the state segment, determining the type of the operation data with the highest contribution degree as a main disturbance source, calculating the disturbance intensity of the main disturbance source, obtaining a state disturbance index, determining the starting and ending boundaries and peak shape parameters of each disturbance pulse unit, and calculating the state disturbance index; and identifying boundary intervals and peak shape differences of adjacent disturbance pulse units, fusing peak position migration directions and peak shape expansion directions of the disturbance pulse units, calculating a change trend of the operation state of the power distribution cabinet, obtaining a state evolution index, analyzing the current operation state of the power distribution cabinet, and obtaining operation state judgment data. Through state judgment on the edge side of the power distribution cabinet, the operation state of the power distribution cabinet can be analyzed in real time.

An ultrasonic surgical instrument having an easily assembled cannula assembly (2). The instrument includes an ultrasonic cutter bar (1) for transmitting ultrasonic mechanical energy, wherein the cannula assembly (2) is coaxially mounted around the ultrasonic cutter bar (1), and the cannula assembly (2) is provided with the jaw (3) at a distal end thereof and a handle assembly (4) at a proximal end thereof. The cannula assembly (2) has an integral structure and is connected to the handle assembly (4) by means of a connecting mechanism. The integral cannula assembly can reduce assembly procedures, simplify a mounting structure, reduce complex structures, generally reduce the cost of manufacturing instruments, and reduce the wound on patients.

This application provides a cabin molding device and system for a seated exercise device. The cabin molding device includes a cabin molding assembly and a low-temperature thermoplastic sheet. The cabin molding assembly includes a molding chair and a fixing component. The molding chair has a seating area; the fixing components have fasteners distributed at different positions within the seating area. The low-temperature thermoplastic sheet, after softening, is fixed to the seating area by multiple fasteners and is configured to mold the user's buttocks and legs for cabin fabrication. The cabin molding device provided by this application enables automatic and rapid molding for disabled individuals using a low-temperature thermoplastic sheet, which not only helps improve cabin fabrication efficiency and reduce the need for specialized technical skills, but also features reusability, easy adjustment, and environmental friendliness.

The invention provides a catalyst for activating persulfate as well as a preparation method and application of the catalyst, and belongs to the technical field of catalytic materials and the technical field of water treatment. The preparation method comprises the step of calcining a mixture of graphite-like carbon nitride and coal to obtain the catalyst for activating persulfate. According to the catalyst for activating the persulfate, graphite-like carbon nitride serves as a nitrogen source, coal serves as a carbon source, the catalyst for activating the persulfate is prepared through a simple calcination method, the problem of catalytic inertia of the coal is solved, the yield is high, further purification is not needed, the catalyst can be directly used, the preparation process is simple and convenient, reaction conditions are universal, and the catalyst has high application value; the industrial production is convenient.

This application provides a retrieval method, electronic device, storage medium, and program product, relating to the field of operation and maintenance data processing technology. The retrieval method includes: acquiring a vector knowledge database corresponding to a target document set and real-time status data of a target intelligent operation and maintenance scenario; then, breaking down an initial question into multiple sub-questions and performing intent judgment to determine a retrieval target set; performing preset similarity matching based on the retrieval target set to obtain a first text block set; then, acquiring real-time status data of the target intelligent operation and maintenance scenario; fusing the real-time status data, the first text block set, and the general knowledge of a preset base large language model to construct structured prompt words and generate an initial answer; evaluating the initial answer and outputting a standardized question processing result. Therefore, this application can effectively fuse target document data with real-time operation and maintenance status data, improving the accuracy of the generated retrieval answer.