28 results about "Instrument design" patented technology

The invention discloses a while-drilling electromagnetic wave advanced detection sensitivity analysis method, and belongs to the field of oil-gas exploration and development. The method comprises the following steps: constructing a while-drilling electromagnetic wave advanced detection model, quantifying the influence of different measurement parameters on advanced detection signals, then analyzing the response characteristics of the advanced detection signals, extracting key sensitivity factors, and defining a single-parameter sensitivity function and a multi-parameter coupling sensitivity function; the sensitivity of advanced detection signals is qualitatively and quantitatively analyzed from the four angles of the distance to the interface, the formation resistivity, the interlayer and the stratigraphic dip angle, so that the while-drilling electromagnetic wave advanced detection range is optimized, and the adaptability in the well logging process is enhanced. And meanwhile, the advanced detection second-order sensitivity is approximately solved by adopting a central difference formula, influence factors suffered by advanced detection signals are analyzed from a numerical angle, the interaction of multi-parameter coupling is analyzed, and a scientific basis is provided for electromagnetic wave logging while drilling accurate inversion and instrument design.

The invention discloses an all-fiber vortex interference system and a phase variation measurement method, belongs to the field of optical precision instrument design and test, and aims to realize ultrahigh-precision phase variation measurement by using an all-fiber structure. The vortex interference system comprises a light source module, an optical fiber beam splitting module, an optical fiber sensing module, an optical fiber mode conversion module, an optical fiber mode interference module and an imaging module in sequence along an optical path. The phase variation measurement method is a phase variation demodulation method based on angular Fourier transform, which is provided for the all-fiber vortex interference system. The interferometer provided by the invention does not need a complicated light path alignment step of a traditional interferometer, and the sensitivity of the all-fiber vortex interferometer is further improved.

The application provides a design method and system of a porous balanced flowmeter with a center hole, and belongs to the field of fluid metering instrument design and numerical simulation. The method parameterizes the geometric configuration of a 1+N type balanced flowmeter, constructs a dimensionless parameter system, generates parameter sample points in a design space satisfying constraints, constructs a CFD simulation model, drives a CFD solver to perform flow field simulation calculation, and obtains a massive simulation data set; collects physical calibration experiment data of a standard flowmeter, compares the simulation data with the simulation data of the same standard, and obtains a correction factor; the correction factor is used to correct the simulation data set to obtain a training data set; a design proxy model is constructed, the optimization target of the design proxy model is set based on specific working conditions, and the optimized design proxy model is optimized to obtain optimal dimensionless parameters. The application improves the rationality of the distribution of the center hole and the peripheral hole, and improves the design rationality and efficiency of the flowmeter.

The application provides a kind of intelligent auxiliary getting-up equipment and getting-up method, belongs to the technical field of old people's aid instrument design and manufacture, including backrest plate, bottom plate, lifting unit, handrail unit, folding rocker, leg plate, turntable and main control box;Backrest plate is installed above bottom plate and is located in the upper limb bearing part of bottom plate, lifting unit is installed between backrest plate and bottom plate, backrest plate is lifted by the extension and retraction movement of electric cylinder, and the upper body of old people is lifted;The lower limb bearing part of bottom plate is provided with telescopic handrail unit, the force sensor on handrail unit detects the pressure data of old people's arm on handrail and transmits to main control box, main control box controls the movement of turntable and handrail unit, and helps old people to get up;Handrail unit can drive leg plate connected with lower limb bearing part to move through folding rocker, and help old people to stand with both feet on the ground;Handrail unit and leg plate are linked, can assist more old people to stand stably and safely, the whole equipment structure is compact, the degree of intelligence is high, and it is easy to use.

1. The name of the design product: water quality instrument box. 2. The use of the design product: used for portable water quality instrument design, which can install various types of water quality instruments inside. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a weighing instrument of a lifting machine. The weighing instrument structurally comprises a base, a weighing platform and a loading mechanism, the object carrying mechanism is composed of a main frame, a lifting mechanism and a bottom support, the main frame is installed on the weighing platform, the lifting mechanism is fixed to the main frame, and the output end of the lifting mechanism is connected with the bottom support and drives the bottom support to ascend and descend relative to the weighing platform so as to adapt to objects to be weighed of different heights. According to the weighing instrument, the lifting mechanism is integrated, the vertical lifting function is achieved, the flexibility of the weighing instrument is improved, the weighing instrument can be seamlessly integrated into an automatic production line, online weighing is achieved in cooperation with a moving tray, and the automation level is remarkably improved. In addition, the weighing instrument is compact in design and high in adaptability, the size can be telescopically adjusted according to needs, and diversified production line layout requirements are perfectly met. According to the utility model, the lifting function and the weighing function are combined, and an efficient and flexible solution is provided for weighing articles on a production line.

The utility model belongs to the technical field of design and manufacture of isotope magnetic mass spectrometers in analytical instruments, particularly relates to a cavity of an adjustable multi-receiver of a mass spectrometer, and aims to solve the problem that the original adjustable multi-receiver occupies a large space. A front panel, a left panel, a right panel, a rear panel, an upper panel and a lower panel are hermetically and fixedly connected together to form a hollow rectangular cavity; a plurality of left lower connecting holes are formed in the left panel, left lower connecting pipes are mounted on the left lower connecting holes, the left lower connecting pipes are fixedly connected with the left panel, the left lower connecting pipes are in sealed connection with the stepping motors, and one stepping motor is mounted on each left lower connecting pipe; an output shaft of the stepping motor penetrates out of the left lower connecting pipe to be connected with a Faraday cup in the cavity. According to the utility model, the position of the Faraday cup is directly adjusted by using a plurality of stepping motors, and the number of intermediate structures can be reduced, thereby reducing the volume of the cavity.

The invention relates to the technical field of optical spectrum instrument design, in particular to an infrared light refractive index and transmissivity testing system and method for infrared optical glass, and the system comprises an infrared light source unit, a monochromator unit, a precise angle measuring unit, a general control unit and an upper computer data processing system. Incident light is divided into sample light and reference light through the double-beam light splitting module, the refraction angle and the light intensity of light beams penetrating through a sample are automatically tracked and measured by utilizing the self-positioning aiming mobile table, and meanwhile, an optical path compensation module and a full-automatic temperature control system are combined, so that the aim of measuring the light intensity of the sample within a set broadband and temperature range is achieved. And the refractive index, the reflectivity and the transmissivity parameters of a prism or window sample are subjected to integrated and high-precision synchronous measurement. The technical problems that in the prior art, multiple instruments are relied on, the operation process is complex, efficiency is low, and accurate measurement is difficult to conduct under the variable temperature condition are effectively solved.

The invention discloses a novel activated sludge cyclone separation device which comprises a cyclone cavity and a conical section, the cyclone cavity and the conical section are split, the cyclone cavity and the conical section are spliced through a flange, a tangential feeding pipe is arranged on the side face of the cyclone cavity, an overflow pipe is arranged at the top end of the cyclone cavity and is perpendicular to the center of the top of the cyclone cavity, and the tangential feeding pipe is connected with the overflow pipe. An underflow pipe is arranged at the bottom end of the conical section, the conical section is provided with an upper part and a lower part, and the upper part and the lower part are fixed through a fixing frame. The cyclone cavity (the pre-separation area) and the conical section (the main separation area) are independently designed and spliced together, and the pre-separation area and the main separation area with different size proportions are optimized and coupled according to the separation effect of an instrument, so that adjustment of design parameters of the instrument is facilitated; the tangential feeding pipe is provided with a spiral flow deflector for enhancing the tangential speed; the air column stabilizer improves the light floc enrichment efficiency.

The utility model discloses a light-emitting diode (LED) array light source light following system of a high-flux living cell imager, which relates to the technical field of instrument design and control and comprises an objective table and an LED light source which are relatively fixed, an objective lens moves relative to the objective table, the movement stroke of the objective lens is matched with the LED light source, and the light source light following system is respectively in signal connection with the objective lens and the LED light source. The control module is used for controlling the LED light source to be turned on or off. According to the utility model, the problem of cell phototoxicity is solved by lighting a light source only when the light following system controls imaging, the problem of mismatching of light and an objective lens is solved through the LED array, and based on an array LED circuit principle, the functions of light adjustability, constant current, RS485 control and the like are added, so that the light brightness of the LED array is more stable, and the light intensity of the objective lens is more stable. According to the invention, the LED light source can not change along with factors such as external voltage and temperature, has a more stable light supplement effect, realizes control of stable lighting of each lamp bead at any brightness, and improves the stability of light brightness and the light supplement effect.

The application provides a horizontal instrument with constant relative error, and relates to the technical field of horizontal instrument design. The horizontal instrument with constant relative error comprises a base and a main level tube, the main level tube is arranged on the base, the main level tube is provided with a cavity for containing liquid, the top wall of the cavity is a curved surface, the projection of the curved surface on a preset plane is a preset curve, the preset plane is parallel to the length direction of the main level tube, and the equation of the preset curve is as follows: f(x) = a-a·e cx By adopting the arrangement, the horizontal instrument with constant relative error solves the problem that small range and large range can be measured, and the relative error is constant during measurement. The horizontal instrument with constant relative error can be popularized and applied to deformation monitoring of bridges, culverts and aqueducts, and inclination monitoring of geological disasters such as slopes and landslides.

This invention discloses a method for screening and determining the configuration of a gear measurement center in multiple scenarios, belonging to the field of precision testing technology and instrument design. The method takes candidate configurations of the gear measurement center as the object, and sequentially establishes a configuration error score model, a configuration stiffness score model, and a structural compactness score model. The measurement scenarios are divided into small module, medium module, and large module scenarios according to the gear module. Based on the upper bound of the three-dimensional axis depth geometry related to the module, a design domain for the axis depth interval of each scenario is generated, and a unified reference scale for the scenario is determined. An interval hierarchical structure model is constructed, using three types of score intervals as inputs to the scheme layer interval judgment matrix. The criterion layer uses the Saaty scale to construct the judgment matrix, obtaining the global priority interval of the candidate configurations and completing the sorting output. This method can be used for configuration adaptability evaluation and selection of gear measurement centers under multiple scenarios and parameter uncertainty conditions.

The invention relates to the technical field of optical instrument design, and discloses a line-distance-variable grating spectrometer performance and tolerance collaborative optimization method, a spectrometer, a system, a terminal and a medium, and the method comprises the steps: constructing a performance evaluation function of the spectrometer; determining an optimization variable, and obtaining a target optimization result meeting requirements according to the performance evaluation function and the optimization variable; performing tolerance analysis according to the target optimization result to obtain an evaluation result; and determining a design result of the spectrometer according to the evaluation result. According to the method, a strict ray tracing method is adopted to replace an approximation formula, the calculation precision is improved, high performance is pursued, and meanwhile it is ensured that the design scheme has the high yield under existing machining and assembling tolerances.

The invention discloses an optical path system of a ball-borne ultraviolet spectrograph, which belongs to the field of optical instrument design, solves the problems of low broadband efficiency and poor image quality of the existing optical path, and comprises a front-end receiving and transmitting module comprising a light collecting lens (f is equal to 200mm), an ultraviolet enhanced integrating sphere (the reflectivity is greater than or equal to 90%) and an ultraviolet optical fiber; and the rear-end spectrum detection module comprises a slit (10 [mu] m wide), a collimating lens (f = 79 + / -0.4 mm), a reflection blazed grating, an imaging lens (f = 106 + / -0.4 mm) and a back-illuminated ultraviolet CCD (6.5 [mu] m pixel). The lenses are all made of fused quartz or calcium fluoride materials suitable for the ultraviolet band, and other elements are processed through film coating and the like, so that it is guaranteed that an optical path covers 200-400 nm. And a long slit and aberration optimization design is adopted, so that the spatial dimension image quality is remarkably improved. The optical path has the advantages of being wide in wave band, high in luminous flux, high in image quality and high in integration level.

The invention provides an orthopedic implantation instrument design method based on a structure-material-tissue regeneration relationship, which comprises the following steps: S1, acquiring anatomical structure, bone characteristics and mechanical property data of an implantation part of a patient, obtaining structure-material and tissue regeneration quantitative data in combination with an animal experiment, and constructing a data set; s2, based on the data set, establishing a quantitative mapping model among the structure, the material parameters, the biomechanical property and the tissue regeneration effect by using deep learning, and improving the model precision through historical data training and cross validation; and S3, decomposing functional requirements and design parameters by applying axiom design, generating a structure and material scheme which is matched with anatomical features and meets functional requirements through Z-shaped mapping and deep learning reverse optimization, and obtaining a final design of the personalized implant instrument after iterative verification. The method is based on a deep learning data driving model and an axiom design theory, it is ensured that design parameters achieve expected performance, and design accuracy and reliability are remarkably improved.

This disclosure relates to the field of oil and gas exploration, and discloses a drilling azimuth electromagnetic resistivity antenna system structure and logging tool, including: a transmitting coil and a receiving coil; the normal directions of the transmitting coil and the receiving coil are both perpendicular to the drilling direction; the transmitting coil is used to transmit electromagnetic waves to the target formation; the receiving coil is used to receive electromagnetic waves reflected from the target formation. This disclosure overcomes the limitations of other azimuth electromagnetic resistivity measurements in horizontal wells and highly deviated wells, solves the problems of complex instrument design and low radial azimuth detection efficiency, and fully utilizes the accuracy, simplicity, and applicability of dual-transmitter, dual-receiver horizontal coil antenna systems. It achieves a more convenient instrument for radial measurement of azimuth electromagnetic resistivity and a higher standard for radial measurement accuracy, which plays an important role in saving costs and improving measurement efficiency. It can effectively solve the major problems of complex instrument design and operation, time-consuming maintenance, and low radial azimuth measurement efficiency.

The present application relates to a kind of vehicle-mounted fish-eye camera MTF test collimating lens, belong to the field of photoelectric testing instrument design.The technical problem of existing vehicle-mounted fish-eye lens transmission function test equipment needing foreign import, high cost of matching equipment is solved.The collimating lens of the present application includes aperture diaphragm, first lens, second lens, third lens, fourth lens, imaging plane arranged in turn along the direction of light propagation;The light emitted by the object arranged at aperture diaphragm reaches imaging plane after first lens, second lens, third lens and fourth lens in turn;First lens is convex-concave positive lens, second lens is concave-convex negative lens, third lens is concave-convex negative lens, and fourth lens is concave-convex positive lens.The vehicle-mounted fish-eye camera MTF test collimating lens of the present application can provide infinite target when used for vehicle-mounted fish-eye lens MTF test, and the collimating lens has large tolerance limit, is easy to process and adjust, has low processing cost and high test efficiency.

According to the lens capsular bag drag hook device provided by the invention, through the structural design of pre-integrating the suture, the drag hook part and the suture needle, the operation safety and operability are remarkably improved; the pre-fixing design of the suture, the drag hook part and the suture needle eliminates the tedious steps of manufacturing the drag hook on site during the operation, shortens the learning curve and ensures the standardization of the instrument; the long needle scheme is matched with the cornea size, repeated puncture caused by insufficient length during intraocular operation is avoided, the short needle scheme is combined with the sleeve design to provide stable guidance, and tissue damage caused by shaking of the needle body is prevented; the size of the drag hook part is optimized and accurately matched with the bag space, and the accidental injury risk is reduced; the sleeve structure enhances the operation hand feeling, the bottom through opening prevents the drag hook from causing obstruction, and the safety is further improved. In conclusion, by means of the integrated and standardized instrument design, the core problems that in the prior art, operation is complex, the injury risk is high, and adaptability is poor are solved.

The utility model discloses a device for comprehensive measurement of an elevator landing door, which belongs to the technical field of safety measurement of elevator equipment and comprises a main body device and a movable sliding block, a touch screen is arranged right above the main body device, a T-shaped force sensor and a detachable cylinder are arranged at the front part of the main body device, the detachable cylinder is provided with protruding external threads, and the movable sliding block is connected with the touch screen. The movable sliding block is fixed with the force sensor through threads, the upper half portion of the force sensor is connected with the electric push rod and the linkage rod, two shifting pieces which are bent downwards and perpendicular are arranged in front of the movable sliding block, the shifting pieces and the force sensor form an opposite extending structure, and the movable sliding block is fixed and connected with the main body device through a sliding rail. The parallel movement of the movable sliding block relative to the main body equipment is realized; the elevator landing door data measuring device has the advantages of being integrated in aluminum alloy instrument design, firm, durable, small in size and convenient to carry, and measuring various elevator landing door data through one device through the detachable cylinder and the customized force sensor.

The invention relates to the technical field of hoisting apparatus detection, and discloses a PHM-based hoisting apparatus state test and verification method. The method comprises the following steps: extracting design parameters from a technical document of the hoisting apparatus, synchronously acquiring high-frequency operation characteristics when the apparatus is started, and judging whether a multi-dimensional state evaluation process is started or not by fusing two types of data. After starting, firstly calculating an instrument design robustness index and detecting a structure vibration condition, and combining the two to complete modular segmentation and extract a plurality of groups of evaluation units; continuously monitoring the vibration deviation and the stress diffusion speed of each unit, evaluating the contribution degree of the vibration deviation and the stress diffusion speed to the state deviation to obtain a contribution factor, and tracking the continuous interval of the load at the same time. And unit rating is completed based on the load continuous interval and the contribution factor, the interface stress and the tolerance limit load are collected to derive rating weights, finally the unit rating and the weights are integrated, the health index of the hoisting apparatus under the current working condition is generated, and comprehensive and accurate evaluation of the apparatus state is achieved.

The invention relates to a vehicle-mounted fisheye camera MTF test collimating lens, and belongs to the field of photoelectric test instrument design. The technical problems that existing vehicle-mounted fisheye lens transfer function testing equipment needs to be imported abroad, and corollary equipment needs high expenditure are solved. The collimating lens comprises an aperture diaphragm, a first lens, a second lens, a third lens, a fourth lens and an imaging plane which are sequentially arranged in the light path propagation direction. Light emitted by an object arranged at the aperture diaphragm sequentially passes through the first lens, the second lens, the third lens and the fourth lens and then reaches the imaging plane; the first lens is a convex-concave positive lens, the second lens is a concave-convex negative lens, the third lens is a concave-convex negative lens, and the fourth lens is a concave-convex positive lens. When the vehicle-mounted fisheye camera MTF test collimating lens is used for vehicle-mounted fisheye lens MTF test, an infinite target can be provided, and the collimating lens is large in tolerance, easy to process, install and adjust, low in processing cost and high in test efficiency.

The utility model relates to the field of hair drying instrument design, and discloses a detachable hair drying instrument shell structure which comprises a base, an electric lifting support is fixedly connected to the top end of the outer wall of the base, a product connecting piece is installed at the top end of the outer wall of the electric lifting support, and a fixing piece is fixedly connected to the top end of the outer wall of the product connecting piece. A round pipe is fixedly connected to the front side of the top end of the fixing piece, a clamping assembly is arranged on the inner wall of the round pipe, the round pipe is connected with an air inlet through the clamping assembly, an automatic hair drying instrument body is clamped to the bottom end of the outer wall of the air inlet, and the rear end of the outer wall of the automatic hair drying instrument body is fixedly connected to the front end of the outer wall of the product connecting piece. And a connecting clamping piece is clamped at the bottom end of the inner wall of the air inlet. According to the hair drying instrument, the shell of the hair drying instrument is disassembled according to requirements through the clamping assembly, the shell can be disassembled and assembled through simple operation, no extra tool is needed, and the use convenience is greatly improved.

The utility model relates to the technical field of tunnel detection equipment, in particular to a tunnel construction steel frame installation space size and gradient inspection device which comprises a cross rod with a cavity, a vertical rod located in the center of the cross rod and perpendicularly connected with the cross rod, and baffles arranged at the two ends of the cross rod in a sliding mode. A measuring assembly is arranged in the vertical rod and used for measuring the distance between the two baffles. According to the utility model, the baffle plates move outwards by sliding the adjusting rod upwards, so that the distance between the two baffle plates is enlarged until the baffle plates abut against the edge of the arch frame, the reading of the graduated scale is observed, the measuring line value can be measured through simple calculation, namely the design length of a 2X + original instrument, the structure is simple, the cost is low, and mass production can be realized.

The present invention discloses a composite temperature control system for a near-atmospheric pressure X-ray photoelectron spectroscopy experimental station, which relates to the field of synchrotron radiation instrument design. The sample holder includes: a ZrO2 support, and a heating conductor, a ceramic heater, and a protective layer stacked from top to bottom; the sample rod includes: a laser emitting unit, whose light beam irradiates the bottom of the ZrO2 support, and heat is transferred from bottom to top through the protective layer, the ceramic heater, the heating conductor, and the sample holder to the sample; the closed end of the liquid cooling tube is wrapped around the hollow feed-through tube and adhered to the back of the rod head platform. The present invention avoids sample contamination through indirect laser heating, and improves thermal management efficiency through winding liquid cooling, achieving temperature control in a wide temperature range of 140K to 1500K. By stacking corrosion-resistant structures and charge extraction layers, data reliability under high temperature / atmosphere is guaranteed, and it is suitable for in-situ dynamic observation of catalytic reactions.

Various aspects disclose an electrosurgical instrument designed for sealing or cutting tissue. The instrument features an instrument shaft with a transmission line to convey microwave or radiofrequency electromagnetic energy. It includes a first jaw with a first surface and a distal end face, and a second jaw with a second surface, both attached to the shaft. The instrument is equipped with first and second electrodes for emitting microwave or radiofrequency energy. A first isolating portion electrically separates the two electrodes. The jaws can move between an open position, allowing tissue insertion between the surfaces, and a closed position, clamping the tissue. The first and second electrodes are exposed on the first surface and distal end face. In the closed position, the second jaw covers the exposed electrodes on the first surface and distal end face, ensuring effective tissue engagement and energy application for surgical procedures.

The present invention relates to the field of instrument design, and specifically to a measurement error sensitivity analysis method for an optical profiler; the method comprises the following steps: S1, geometric error analysis; S2, establishing a topological structure; S3, establishing a measurement error model; S4, defining an error sensitivity evaluation index; S5, error sensitivity analysis; and S6, sensitive error identification. The present invention is based on the normal vector measurement characteristics of the optical profiler, unifies the traditional spatial error evaluation index with six components into a comprehensive evaluation index, and comprehensively considers the position deviation and posture deviation between the sensor and the workpiece to be measured; the degree of influence of various geometric errors of the optical profiler on the final measurement error can be obtained more accurately and intuitively, providing a strong basis for the measurement accuracy design and measurement error compensation of the optical profiler, and helping to improve the measurement accuracy of the optical profiler.

The application discloses a kind of instrument design identification methods for optical surgical navigation, it is related to optical surgical navigation technical field, it includes generating source point set and the template point set of instrument;According to the distance between the distance between any two mark points of the template point set of instrument calculation first one-dimensional vector;According to the distance between any two three-dimensional coordinates of source point set calculation and constitute second one-dimensional vector;The distance difference of all data between first one-dimensional vector and second one-dimensional vector is calculated, and distance matching pair is constituted;By mapping matching the three-dimensional coordinate layout of mark point to source point set through depth-first search recursion, obtain multiple feasible candidate solutions;Optimal solution is selected from multiple feasible candidate solutions, realize the position identification of instrument in three-dimensional space.The application can realize the design of high-differentiation instrument and the rapid identification of multiple instruments under complex conditions.

The utility model discloses an AR module based on a microscope, and relates to the technical field of biomedical instrument design, and the AR module comprises an image collection module, an AR projection module, an AI analysis module and a module base. The image acquisition module, the AR projection module and the AI analysis module are all arranged on the module base, and the module base is detachably connected with the corresponding position of the microscope; the image acquisition module comprises a camera, a reflector, a first polarizer, a first lens and a beam splitter prism; the AR projection module comprises a second lens, a second polaroid and a micro display; and the AI analysis module is connected with the camera and the micro display. According to the invention, the dual polaroids are adopted to prevent light in the direction of the micro display from entering the camera, the image of the display screen can be prevented from entering the camera to influence image capture of the camera, and the beam splitter prism with the reflectivity greater than the light transmittance is adopted to increase the light reflected to the camera and the eyepiece of the projection microscope of the micro display.