23results about How to "Clear operation" patented technology

The utility model discloses a gas state monitoring sensor calibration device, which relates to the technical field of sensor calibration and comprises a calibrator, a standard micro-water sensor, a standard pressure sensor, a gas circuit adjusting system, a humidity calibration module and a pressure calibration module. The calibrator is provided with a sealing cavity, a first port and a second port, wherein the first port and the second port are communicated with the sealing cavity. According to the technical scheme of the utility model, the humidity calibration module and the pressure calibration module are adopted, so that the dual calibration function of gas humidity and pressure parameters can be realized, the problem of single function of the existing calibration device is solved, multi-parameter integrated calibration is realized, the calibration efficiency is improved, and the application range is widened; by adopting the modular design and switching the four pipelines through the on-off control assembly, a user can select different humidity calibration modules or pressure calibration modules according to needs, the operation is convenient, and the automation level and the operation consistency of the system are improved.

The utility model discloses a kind of key switch machine circuit and printer based on bistable circuit, wherein, key switch machine circuit based on bistable circuit, including power supply conversion unit, self-locking circuit and button, bistable circuit;The enable end of power supply conversion unit is connected by self-locking circuit and button, bistable circuit;Power supply conversion unit is used to convert input power supply into working power supply, and its enable control end is used to control power output;Self-locking circuit is used to pull low the enable end of power supply conversion unit after button is pressed and maintain low level, realize the self-locking of power output;Bistable circuit is used to change output state when button is pressed again, cut off self-locking circuit, so that the enable end of power supply conversion unit restores high level, to close power output.The utility model discloses the key switch machine circuit based on bistable circuit of the utility model, using single self-resetting button can complete the opening and closing of power supply, and, circuit response is stable, operation logic is clear.

The utility model relates to the technical field of water beating heads, and particularly discloses a water bag water beating head which comprises a connecting seat, a water bag water beating head and a water bag water beating head, the water injection pipe is vertically mounted above the connecting seat, and a water permeable hole is formed in the connecting part of the water injection pipe and the connecting seat; the water inlet hole comprises a first water inlet section and a second water inlet section, the first water inlet section and the second water inlet section are both arranged on the inner side of the water injection pipe, a sealing cover is further installed at the first water inlet section, and the second water inlet section is communicated with the water permeable hole; according to the device, the first water inlet section and the second water inlet section are designed to be in axial stepped transition, so that the stepped surface naturally forms an abutting end, a stable stopping reference is provided for the plug body when the plug body is opened and closed, synchronous rotation and axial displacement can be achieved under the single rotation action in cooperation with a spiral guide groove and a sliding block of the plugging assembly, and the sealing effect is good. The opening and closing stroke is guaranteed to be accurate and controllable, and repeated operation is avoided.

The invention discloses application of a barrier material to a drawing casing and a casing drawing test device and method, and relates to the technical field of petroleum drilling and well cementation engineering.The casing with different cementation coverage rates is prepared by applying the barrier material to the casing; installing the casing pipe attached with the barrier material in a test piece mold, pouring cement into the mold, and curing to form a test piece; and finally, taking out the test piece from the mold, and clamping the test piece into a sleeve drawing device for testing. According to the scheme, by adjusting the cement coverage rate of the shrinkage-size casing and the cement strength of the simulation test piece, the comprehensive influence of the cement coverage rate and the cement strength on the axial resistance of the casing can be systematically reflected, and the limitation of single condition of existing research is made up.

The application discloses an extravehicular clamping device and relates to the technical field of space, which comprises a fixed clamp head and a movable clamp head hinged on the fixed clamp head in an L shape, a movable clamping plate is arranged on the fixed clamp head, a fixed clamping plate is installed on the movable clamp head, and the movable clamping plate can be close to or away from the fixed clamping plate through adjustment on the fixed clamp head; a handle is further hinged on the movable clamp head, and a connecting rod is hinged between the handle and the fixed clamp head; the fixed clamp head is further provided with a locking structure, the locking structure can be locked after the movable clamp head and the fixed clamp head are clamped, an unlocking plate for unlocking the clamping of the movable clamp head and the fixed clamp head is further hinged on the handle, and the unlocking plate and the movable clamp head can be locked again. The "thickness adjustment" and "locking" functions are decoupled, and the device is assembled by using pure structural components, so that the device is not only convenient to operate and high in reliability, but also can effectively prevent the device from being accidentally touched or contacted in an extravehicular state.

The present application relates to the technical field of propeller hydrodynamic measurement method, and particularly relates to a propeller lateral excitation force measurement method, which converts the dynamic force signal measured by a sensor in a rotating coordinate system XOY into a propeller lateral excitation force signal in a fixed coordinate system X1OY1 in the form of equal-phase resampling, and can effectively evaluate the propeller lateral line spectrum excitation force. The main steps include test system calibration, signal synchronous acquisition, equal-phase resampling, coordinate transformation and Fourier transformation. The method has clear design process, clear operation and great engineering practical value.

The invention discloses a short video auxiliary shooting scoring method based on an AI multi-mode model. The short video auxiliary shooting scoring method comprises the following steps: S10, video acquisition; s20, video analysis: performing multi-dimensional fusion analysis on the standardized video data by adopting a vision-audio-semantic multi-modal fusion analysis algorithm to obtain a multi-dimensional fusion analysis result; s30, score generation: according to a multi-dimensional fusion analysis result, calculating by adopting a dynamic weight adaptive algorithm to obtain a comprehensive score of the to-be-analyzed short video; s40, bright spot identification: extracting index data meeting a quantitative excellent standard from a multi-dimensional fusion analysis result, and identifying and summarizing shooting bright spots of the short video by combining content characteristics of the short video; s50, defect identification is carried out; s60, optimization suggestion generation: on the basis of the identified shooting defects, a targeted overall optimization suggestion is generated in combination with the reservation demand of the shooting bright spots; and S70, outputting a result.

This utility model discloses a high-pressure manual inflation and deflation valve for aerospace applications, comprising an outer nut, an adjusting nut, a spring, a housing, a backing nut, a handle, a push rod, a set screw, a tubular filter screen, a slotted conical set screw, a steel ball, and a push pin. The push rod and push pin are the transmission components of the product. Rotating the handle causes the push pin to move left and right, thereby pushing the valve assembly of the pressure vessel. By using a trapezoidal thread transmission and a limit design for the push pin, the product can withstand the large load brought about by high-pressure inflation, preventing thread jamming. At the same time, the sealing design of O-rings and star-shaped sealing rings makes the product highly reliable and safe, with effective operation for more than 5,000 cycles. Its operation is simple, illustrated, and ergonomic.

This application relates to the field of optoelectronic device technology, and provides a switchable day / night sight, including a front housing group, a middle housing group, and a rear housing group arranged along the optical axis. The front housing group includes an objective lens group; the middle housing group includes a prism group, a mechanism support, a low-light detector, a display screen, a processing board, and a switching mechanism; the rear housing group includes a relay lens group and an eyepiece group; the switching mechanism includes a fixed shaft, a large rotating shaft, a small rotating shaft, a positioning pin, a spring, a limiting protrusion, and a handle; wherein, the mechanism support is fixedly connected to the large rotating shaft, the low-light detector is mounted on the mechanism support, and the handle drives the large rotating shaft and the mechanism support to rotate around the axis of the large rotating shaft through the small rotating shaft, so as to drive the low-light detector to enter or exit the optical path between the objective lens group and the prism group. Through the coordinated cooperation of a common-path optical system, a precision mechanical switching mechanism, and electronic reticle superposition, the fusion of visible light direct-view mode and low-light digital mode is achieved, solving the problem of poor daytime imaging quality in traditional day / night sights.

The application discloses a communication method, device, communication equipment and readable storage medium, and belongs to the technical field of communication. The communication method of the application embodiment comprises the following steps: a first communication device performs a first action, wherein the first action comprises at least one of the following: receiving a paging from a second communication device, wherein the paging contains first information, and the first information comprises at least one of the following: filter information, information for indicating a storage area in a terminal device, information for indicating a start position, information for indicating the length of the filter information, information for indicating that a terminal identifier is used to match the filter information; third information; the third information is used to indicate information for matching in a terminal device or a terminal identifier; and according to the first information, at least one of the following is determined: responding or not responding to the paging, matching or not matching the filter information. The application can realize the matching with filter information.

The application belongs to the technical field of perovskite material preparation, and particularly discloses a mixed halogen perovskite single crystal material and a preparation method thereof. 2.8 I 0.2 The obtained single crystal is treated at 20 DEG C and 90% RH for 3-6 h, surface defects are systematically repaired by using the moisture-induced lattice expansion and surface hydroxyl passivation mechanism, ion migration is inhibited, and the phase separation phenomenon is slowed down. The process is simple, controllable, and reproducible, and is suitable for laboratory-scale preparation and industrialization promotion.

The application provides a contact box anti-condensation capacity evaluation method considering wet electricity combination, comprising building a contact box anti-condensation capacity evaluation platform considering wet electricity combination. The working current of the contact box during work is output by a working power simulator, the relative humidity of the evaluation device box is changed by a humidity control spray head, the limit voltage under different relative humidities is obtained, the limit voltage value is used to optimize the limit voltage reference value by an optimization algorithm, and then the anti-condensation capacity of the contact box is evaluated in combination with the limit voltage reference value. The application has the beneficial effect of providing a contact box anti-condensation capacity evaluation method considering wet electricity combination, building an evaluation platform, being able to simulate the wet electricity environment of the contact box work, providing a supplement for the insulation component performance evaluation technology, and being helpful to improve the safety of the switching equipment in the power transmission and distribution system and guarantee the power supply quality.

The utility model provides a flexible suspension conveyor guide rail, which relates to the technical field of guide rails and comprises a first guide rail and a second guide rail, H-shaped inserting blocks are fixedly mounted at two ends of the second guide rail, and H-shaped slots are arranged at two ends of the first guide rail. By pulling the pull handle, the limiting column is driven to extrude the spring to retract into the shell, the H-shaped insertion block of the second guide rail can be easily inserted into the H-shaped insertion groove of the first guide rail, then, by means of the connecting plate at the top end of the limiting plate, a worker can conveniently slide the limiting plate to a proper position along the limiting groove, so that the limiting hole is aligned with the limiting column, and after the pull handle is loosened, the limiting plate can be fixed. The spring pushes the limiting column to be inserted into the limiting hole, tight and stable connection of the first guide rail and the second guide rail is achieved, complex tools such as a screwdriver are not needed in the process, operation steps are simple and clear, meanwhile, the installation efficiency is greatly improved through the installation mode, and the installation period can be remarkably shortened for a large amount of guide rail laying work in a large production workshop.

The application belongs to the technical field of biomedical detection, and discloses a biomarker for detecting ocular fundus neovascular disease, a detection kit and application. The biomarker for detecting ocular fundus neovascular disease is tRNA-derived fragment tRF-1001, the nucleotide sequence of the biomarker for detecting ocular fundus neovascular disease is SEQ ID NO:1, and the detection primer of the biomarker for detecting ocular fundus neovascular disease is SEQ ID NO:4 and SEQ ID NO:5. The application uses real-time fluorescent quantitative PCR technology to detect the relative content of tRNA-derived fragment tRF-1001 in aqueous humor, and provides a new detection marker and prognosis evaluation method for ocular fundus neovascular disease. The application proves that it is completely feasible to realize the diagnosis of ocular fundus neovascular disease by detecting the expression of tRF-1001 in the aqueous humor of patients, and has the characteristics of small trauma and simple operation.

The invention relates to the technical field of sunshade hollow glass products, in particular to built-in shutter type double-layer hollow glass and an opening method thereof.The built-in shutter type double-layer hollow glass comprises a [-shaped top frame, a shutter curtain is arranged in the [-shaped top frame, a left side frame is arranged at one end of the inner side of the [-shaped top frame, and a right side frame is arranged at the other end of the inner side of the [-shaped top frame; a driven shaft is arranged at the upper end of the driving shaft, and push rods are arranged on the side faces of the driving shaft and the driven shaft. The driving shaft is driven to rotate by shifting the handle on the left side, and the driven shaft is driven to synchronously and reversely rotate through meshing of the sector gears, so that the push rods on the two sides swing within the range of 0-90 degrees; the push rod drives the bottom beams of the upper venetian blind and the lower venetian blind to slide oppositely or reversely along the sliding rails, the arrangement of a traditional pulling rope is abandoned, opening and closing of the sunshade curtain are rapidly transmitted through the small rotation stroke of the driving shaft, abrasion of core components is greatly reduced, and the overall service life of the product is effectively prolonged.

The utility model relates to mechanical assembly and maintenance technical field, concretely is a kind of tool for big swing arm main shaft assembly disassembly, for the installation hole in big swing arm is installed to main shaft or is disassembled from it, the tension ring is sleeved on the main shaft, and it includes: operating side locking disc, for abutting at the operating side end surface of big swing arm, operating side locking hole and operating side disassembly hole are set on it;Guide block, for setting in the drive side of big swing arm;Drive side locking disc, for setting in the side of guide block away from big swing arm, drive side locking hole and drive side disassembly hole are set on it;Connecting screw, one end is connected with the operating side locking disc, and the other end is connected with the guide block.It can accurately, efficiently complete the assembly, locking and disassembly operation of main shaft and tension ring, while guaranteeing the circumferential installation accuracy of main shaft.

This utility model discloses a PET-based high-temperature resistant tape, relating to the field of industrial tapes. The PET-based high-temperature resistant tape comprises, from the outside in, a grid-reinforced PET release film layer, a low-density polyethylene porous film layer, a modular functional substrate layer, and a silicone matrix-coated PP film layer, stacked sequentially from the outside in. In this PET-based high-temperature resistant tape, the grid-reinforced PET release film layer protects the adhesive layer; the low-density polyethylene porous film layer isolates the adhesive layer from the substrate, preventing contamination of the functional layer; the combination of the PI film layer, aluminum foil shielding layer, and PET substrate layer allows a single tape to simultaneously meet the requirements of high-temperature protection, signal shielding, and structural support, reducing material stacking during equipment assembly; the silicone matrix-coated PP film layer is directly adhered as pre-construction protection and can be repeatedly applied for temporary covering; when in use, the silicone matrix-coated PP film layer is removed to expose the modular functional substrate layer for use.

The application provides an asymmetric multi-step switching push non-destructive peeling method for a flexible ultrathin chip, and relates to the technical field of flexible electronics. The method comprises the following steps: obtaining the length of a substrate and the length of a chip, and determining the switching step number of a push pin; determining the relationship between a peeling health index and a crack propagation length according to the elastic modulus of the chip and the thickness of the chip, and determining the switching position corresponding to each switching step number of the push pin; determining the displacement of the push pin according to the switching position; controlling the push pin to push the chip according to the displacement of the push pin until the peeling of the chip is completed after the push is performed at all the switching positions. According to the application, the push position can be selected in a systematic and quantitative manner, the performance is close to the theoretical optimum, the operation steps are clear, the requirements for the equipment are reasonable, the integration and automation can be realized on the existing wafer-level packaging equipment, the stress state of the chip in the peeling process can be effectively managed, and the non-destructive and high-yield peeling of the ultrathin chip can be realized.

The utility model discloses an assembly type sealing heat preservation water meter well, and relates to the technical field of water meter wells. An edge plate is arranged on the top of the lower well body, an upper well body is arranged on the top of the lower well body, a sealing assembly is arranged between the upper well body and the lower well body, a supporting pad is fixedly connected to the bottom of the surface of the lower well body, and a reinforcing assembly is arranged between the lower well body and the supporting pad. And a heightening section is arranged at the top of the upper well body. The water meter is installed in the lower well body according to the design layout, the upper well body is moved to enable the bottom of the upper well body to be attached to the top of the lower well body, at the moment, the sealing ring at the bottom of the upper well body is clamped into the sealing groove in the top of the lower well body, the inserting rod is inserted into the positioning sleeve, and the sealing performance between the upper well body and the lower well body is greatly improved through a double-sealing structure; and finally, the upper well body and the lower well body are fixed through the mounting bolts, the operation steps are clear, and the assembled water meter well facilitates later maintenance.

The invention discloses a method for testing the sunlight blocking rate of a textile, belongs to the technical field of optical performance testing of textile materials, and aims to solve the core problems of poor reproducibility and comparability of a test result caused by splitting of a test wave band, serious distortion of the test result of a fluorescent textile and lack of calculation specifications in the prior art. The method comprises the following steps: firstly, carrying out fluorescence attribute discrimination on a to-be-detected textile, and classifying and acquiring effective spectral transmittance of full wave bands of 280-2500 nm based on a discrimination result; aiming at the textile containing the fluorescent substance, the interference of fluorescence emission light on the test is effectively eliminated by adopting a sub-band isolation measurement method; standard solar spectrum irradiance data subjected to standardization processing is adopted as a weighting parameter, and a sunlight blocking rate result is output after weighted average calculation and standardization modification. The method realizes integrated scientific evaluation of the total solar spectrum barrier property of the textile, is accurate and reliable in test result, and can be widely applied to standardized detection of the sunlight barrier property of various textiles.

The invention relates to a universal high-voltage cabinet five-prevention operation acousto-optic guiding device and method, the device comprises an input acquisition module, a main control unit, an output output module and a human-computer interaction interface, the input acquisition module is used for acquiring state signals of a load switch, an isolation switch, a cabinet door and a grounding switch in a high-voltage switch cabinet in real time; the main control unit performs five-prevention logic judgment based on the collected state signal, automatically identifies the cabinet type and judges the current operation process; the output quantity output module is used for driving the acousto-optic indicating device and the locking executing mechanism; and the man-machine interaction interface is used for displaying an operation process and outputting an acousto-optic prompt Through dynamic judgment and step-by-step guidance of a power transmission process and a power failure process, when misoperation or an abnormal state is detected, an alarm can be given in time, and subsequent operation is stopped, so that the operation safety and universality of the high-voltage switch cabinet are improved.

The invention belongs to the technical field of water environment restoration, and particularly relates to a slow-release composite algistat with algal inhibition and phosphorus removal functions and a using method and application thereof.The slow-release composite algistat is composed of an active algistat component, a polymer carrier, a phosphorus removal active component and a particle dispersing agent, the mass volume concentration of the active algistat component is 20-100 g / L, and the mass volume concentration of the polymer carrier is 20-100 g / L; the mass volume concentration of the polymer carrier is 5-50 g / L, the mass volume concentration of the phosphorus removal active component is 5-100 g / L, and the mass volume concentration of the particle dispersant is 2-20 g / L; according to the eco-friendly long-acting slow-release compound algistat and the scene adding method thereof, the efficient and more than 80-day long-acting treatment and prevention of blue-green algae for water bodies with different seasons and pollution degrees can be realized, and the ecological environment-friendly long-acting slow-release compound algistat has a wide application prospect. Meanwhile, the method has the outstanding advantages of reducing secondary pollution of nitrogen and phosphorus and promoting restoration of a microbial ecological system, is high in engineering applicability and has wide popularization and application prospects.

The invention discloses a preparation method of a palladium quantum dot loaded barium titanate composite material. The piezoelectric catalytic performance is improved through morphology regulation and interface engineering cooperation. The BTO nanowire is converted from a cubic phase to a strong ferroelectric tetragonal phase by adopting an electrostatic spinning technology and cooperating with a 700 DEG C precise annealing strategy, so that the built-in electric field and piezoelectric response are enhanced, the brittle fracture of the nanowire caused by high temperature is avoided, and the integrity and flexibility of a one-dimensional structure are guaranteed. In the active site loading stage, a synchronous process of ultrasonic dispersion and violent stirring in an ice bath environment is adopted, local concentration polarization is eliminated, nanowire agglomeration is disassembled, and palladium quantum dots are driven to uniformly form a Pd (111) / BTO (110) epitaxial matching heterojunction in situ on a BTO (110) crystal face. According to the high-quality Schottky interface, the charge transfer efficiency is enhanced, the catalytic reduction kinetics is improved, and the hydrogen evolution rate reaches 3464.28 [mu] molgh and is increased by 2.8 times compared with pure BTO under the condition that only 0.75 wt.% of palladium is loaded. Technological parameters are easy to control, the cost is low, and a feasible technical scheme is provided for industrialization of piezoelectric catalytic hydrogen production.