54results about How to "With measurement function" patented technology

The invention relates to a dynamic object modulation transfer function measuring method and a device thereof, pertaining to the optical property measurement field. The invention aims at providing a dynamic object modulation transfer function measuring method and a device thereof which can carry out the dynamic object modulation transfer function measurement under different fields of view, namely, uniform linear motion, uniformly-accelerated rectilinear motion, simple harmonic motion, but also can measure static target modulation transfer function and separate the static target modulation transfer function from whole machine modulation transfer function. The device consists of a light source, a collimating lens, a pupil coupling system and an electro-optical imaging system which are arranged along the ray propagation direction in sequence; the electro-optical imaging system carries out imaging towards the light source moving along the guide rail direction and line spread function is obtained from the image and carried out one-dimensional Fourier transformation so as to obtain the dynamic object modulation transfer function. The method and the device of the invention are not only suitable for static image evaluation field but also for the image evaluation field of dynamic object imaging by a time-delay electro-optical imaging system.

The invention discloses a large-equivalent-weight underground shallow-buried explosion effect simulating device. The large-equivalent-weight underground shallow-buried explosion effect simulating device comprises a base, a container tank, a first vacuumizing device and an explosion source device, wherein the explosion source device comprises a glass cover, a detonating cord, a steel tube, a sealing plug, an electric detonator, an exploder and an air pressure adjusting device; the base serves as a supporting component of the whole simulating device, and is mounted at the bottommost end of the whole device; the container tank is mounted at one end of the base; the first vacuumizing device is connected with the container tank through a pipe; the glass cover and the electric detonator are positioned in the container tank; the bottom end of the glass cover is sealed through the sealing plug; the detonating cord is positioned in the glass cover, penetrates out of the sealing plug through a steel tube, and is connected with a conical end of the electric detonator; the other end of the electric detonator is connected with the exploder of the outside of the container tank; and the bottom end of the glass cover is connected with the air pressure adjusting device. By the simulating device, a large-scale throwing explosion effect simulating test under different parameter conditions can berepeatedly developed; and the simulating device is simple to operate and low in cost.

The invention relates to a device for measuring the spectral responsivity of an infrared photoelectric detector. Most current Fourier transform infrared spectrometers cannot be directly used for measuring the spectral responsivity of the infrared photoelectric detector. The device for measuring spectral responsivity of the infrared photoelectric detector comprises a Fourier transform infrared spectrometer which comprises a Michelson interferometer, a sample room, a first computer, an infrared photoelectric detector, a preamplifier and a second computer. The infrared photoelectric detector and preamplifier are arranged in the sample room. The arranging position of the infrared photoelectric detector ensures that the photosurface can receive the interference intensity signal emitted by the Michelson interferometer. The infrared photoelectric detector is connected with the second computer via the preamplifier and an A/D collector, and the second computer is in communication connection with the first computer. In the invention, the Fourier transform infrared spectrometer can not only be used to measure the spectral responsivity but also have the previous function of measurement.

The invention discloses a cable cross-core all-shield electronic current transducer. The transducer can use two ends of one secondary winding individually to provide a sampling signal and input the sampling signal into a signal processing circuit on an electronic circuit board; after processing, two output ends of the circuit simultaneously output two sine shaped analog signals, one signal is a measurement signal for current measurement and metering, and the other is a guard signal for current protection control. The cable cross-core all-shield electronic current transducer has both the measurement function and protection function, thereby realizing integration of a measurement current transducer and a protection current transducer, and having excellent performances, low cost, broad applicability, and remarkable economic and technical effects.

The invention discloses a display panel and a display device. The display panel comprises a human face recognition module and a shading layer, wherein the human face recognition module comprises an infrared light source and an infrared induction unit; the shading layer is positioned on one side, close to the display surface of the display panel, of the infrared induction unit; the shading layer isprovided with an imaging light transmission hole, the imaging light transmission hole comprises at least two imaging light transmission holes with different diameters and is corresponding to the infrared induction unit. The display panel and the display device disclosed by the invention have the beneficial effects that both the human face recognition function and the measurement function can be realized.

The present invention discloses microsurgery forceps with double forceps heads capable of clamping and fixing, and belongs to the technical field of medical equipment. The microsurgery forceps are used for performing clamping and fixing operation. The technical scheme is that the double forceps heads capable of clamping and fixing are added to traditional operating forceps, blood vessel or nerve can be clamped by clamping pieces at front ends of the forceps heads, the clamping pieces are connected with pull rods, a stay cable and pull rings, and a clamping spring is disposed between the two clamping pieces. After the blood vessel or the nerve is clamped by the forceps heads, the forceps heads at two sides are shut towards the middle by closing handles at two sides of the operating forceps, so that anastomosis butt joint of two broken ends can be achieved. The microsurgery forceps are reasonable in structure, simple and flexible in operation and firm in fixation, the blood vessel can be prevented from being repeatedly clamped during an operation, man-made damage can be prevented, and one-man operation of clamp, measurement, anastomosis and fixation is achieved. The microsurgery technology is innovated, the disadvantages in a microsurgery operation that broken ends of blood vessel and nerve are poorly anastomosed, and specially-assigned person auxiliary operation is usually required are effectively prevented, operation time is shortened, and patient pain is effectively relieved.

The invention discloses a large-equivalent underground explosion effect simulation device. The device comprises a container, a vacuumizing device connected with the container as well as an explosion source device, wherein the explosion source device comprises a pressurizing device, a piston cylinder, a first piston, an elastic piece, a seal ring, a second piston, a barrel, a diaphragm, a housing,marbles, a pressure relief switch, a glass cover covering the barrel and an air pressure regulating device connected with the glass cover; the piston cylinder is connected with the barrel; the top ofthe barrel is connected with the housing; emission holes filled with the marbles are formed in the housing; the second piston is arranged in the barrel; the diaphragm is arranged at the upper end of the barrel; the first piston is located in the piston cylinder; the elastic piece is arranged at the lower end of the first piston, the seal ring is arranged between the upper end of the first piston and the piston cylinder; the lower end of the first piston divides the piston cylinder into two cavities; an air hole for communicating the two cavities is formed in the lower end of the first piston,and a first check valve is arranged in the air hole; the pressurizing device is communicated with the lower cavity of the piston cylinder; the piston cylinder is connected with the pressure relief switch. The device is safe and controllable.

The invention relates to control system and method for high-precision needle valve orifice grinding. The control system comprises an embedded controller, a keyboard, a control key panel, an LCD (liquid crystal display), an LCD controller, three extended I/O (input/output) interface modules, an I/O interface module, a SDRAM (synchronous dynamic random access memory), an NAND flash, two A/D (analog/digital) conversion interfaces, a temperature sensor, a pressure sensor, a position sensor, a machining stop valve, a related machining unit, and a flowmeter. The basic environment combining an embedded ARM (advanced RISC machine) controller based on RISC (reduced instruction set computer) and a high-real-time embedded operating system ReWorks is used; a logic control main program and a flow processing subprogram stored in the embedded controller are used; and accordingly the control method is achieved. In an ideal case, flow uniformity of a machined needle valve orifice reaches +/-0.5% and reaches the international advanced level. The control system and method are also applicable to the field of control of other types of high-precision real-time machining.

The invention discloses an electronic measurement method and a terminal. The electronic measurement method comprises the following steps: when the measuring command is received, entering a measuring mode according to the measuring command, and displaying a first scale for a user to measure on the first edge of a terminal screen; when a rotation command is received, displaying a second scale subsequent to the first scale on a second edge adjacent to the first edge of the screen according to the rotation command. By adopting the electronic measurement method and the terminal, the terminal can be taken as a measurement tool for measuring the distance or the angle, so that great convenience is brought to use.

The invention discloses a large-equivalent underground multi-point delay explosion crater effect simulation device and method. The device comprises a vacuum chamber, an explosion source system, a multi-point explosion source millisecond delay detonation control system, a vacuum chamber operating system, a dynamic acquisition system, a digital image processing system and a crater damage form three-dimensional reconstruction system. A box body is arranged in the vacuum chamber and is used for filling similar materials required by explosion simulation; the vacuum pump set is connected with the vacuum chamber through a pipeline; the multi-point explosion source millisecond delay detonation control system comprises an exploder, a detonation module, a detonating cord, an ionic electric probe, a pulse forming network and an oscilloscope; the bottom end of a glass cover in the explosion source is connected with an explosion source pressurizing control device outside the vacuum chamber; the dynamic acquisition system comprises a high-speed camera, a light source and a computer; and the three-dimensional reconstruction system for the crater damage form comprises a three-dimensional scanner and a computer. According to the simulation method and device, large-scale underground multipoint differential delay explosion crater effect simulation tests under different parameter conditions can be repeatedly carried out, the operation is simple, the cost is low, and the controllability is high.

The invention relates to a straightening device, in particular to a glass rod straightening device. The device comprises a lathe body (1), a fixing sliding platform (2), a left chuck (3), a glass rod(4), a grating scale (5), a blowtorch platform (6), a blowtorch moving motor (7), an deviation measuring instrument (8), a blowtorch (9), an auxiliary sliding platform (10), an auxiliary sliding platform moving motor (11), a strengthening motor (12), a strengthening part (13), a moving sliding platform (14), a moving sliding platform moving motor (15), a right chuck (16), a rack (17), a rotary motor (18), a rotary chain (19), a left chuck chain (21), a right chuck chain (22), a transmission rod (24) and a guide rail (25).

The invention discloses a multifunctional perpendicularity and straightness detection device, and relates to the technical field of metering detection instruments. The multifunctional perpendicularityand straightness detection device comprises a sliding column arranged on a precision flat plate, wherein a sliding seat is arranged on the sliding column; the sliding seat is provided with a gauge clamping rod used for clamping an indicating gauge, and the bottom surface of the sliding column serves as a first reference surface A for measuring perpendicularity; the sliding column is provided witha sliding surface B which is matched with the sliding seat to slide, and a second reference surface C which is used for measuring straightness and parallelism; and the second reference surface C is parallel to the sliding surface B, and is perpendicular to the first reference surface A. Compared with the prior art, the sliding column is designed to be vertical and horizontal, and the sliding seatcan be conveniently taken down from the sliding column, so that the device has multiple detection functions, and the device not only is a perpendicularity measuring instrument, but also is a straightness measuring instrument, and can be also used as a standard square ruler, a standard leveling ruler or a standard parallel ruler. The multifunctional perpendicularity and straightness detection device is simple in structure and low in manufacturing cost.

The invention discloses a jellyfish-shaped buoy energy harvesting system. The jellyfish-shaped buoy energy harvesting system comprises at least one energy pickup device, an energy collection circuit and an energy storage device, wherein the energy pickup device comprises elastic piezoelectric elements, upper conducting rings, lower conducting rings, a tubule and diversion trenches, wherein the upper conducting rings and the lower conducting rings are respectively arranged at the upper ends and the lower ends of the elastic piezoelectric elements, the tubule penetrates through the middle parts of the upper conducting rings, the elastic piezoelectric elements and the lower conducting rings, the energy collection circuit and then energy storage device are arranged in a heavy box, the energy pickup devices are in sequence connected in series through the tubule, and lower end of the tubule is penetrated into the heavy box. The jellyfish-shaped buoy energy harvesting system disclosed by the invention prolongs the service life of electrical devices of a buoy and the like and saves a lot of manual labor caused by repeated replacement of batteries, and is environment-friendly.

The invention discloses tools and method for alignment and measurement of eccentric parts. The alignment tool includes a first tool flange, a second tool flange and a third tool flange, the first toolflange is provided with a first eccentric hole and a fifth eccentric hole, the second tool flange is provided with a second eccentric hole and a fourth eccentric hole, and the third tool flange is provided with a third eccentric hole. The measurement tool includes a phi100X120 hollow cylinder, and the phi100X120 hollow cylinder is installed in holes of the first tool flange, the second tool flange and the third tool flange. Through design of the alignment tool of the eccentric parts, alignment of the eccentric parts machined on a vertical lathe is realized, the alignment method is simple andfast, installation saves the time and labor, and the alignment tool has the function of measurement; and the difficult problem of measuring of an arc in the machining process is solved, and importantly, the tools can be used for measuring and verifying dimensional tolerances at any time.

The invention relates to a cloud platform-based power pointer type instrument test equipment management and control system and method, and belongs to the technical field of power pointer type instrument test equipment management and control. The system comprises an electromagnetic door lock, a relay connected with the electromagnetic door lock, a palmprint machine mounted at an outer doorway of awarehouse, an information input module, an RFID tag fixed on electric pointer type instrument test equipment, an RFID reader-writer, a warehouse server, a background server, an encryption positioningtransmission device mounted in the power pointer type instrument testing equipment or on the surface of the power pointer type instrument testing equipment, and a mobile terminal. Personnel identification and equipment warehouse-in and warehouse-out management are realized through combined work of the palmprint machine, an entrance guard and an RFID card reader, and equipment users and use time are clearly obtained. The encryption positioning transmission device is adopted to encrypt a measurement result data and position the equipment; through the background server, a series of control over testing and preparing of the electric pointer type instrument testing equipment is achieved, and the problems that existing electric pointer type instrument testing equipment is prone to being lost andsubmitted for inspection overdue and the like are solved.

According to the electronic device metal wire/spring piece contact pressure full-automatic tester and the test method, the positions of a plurality of metal wires/spring pieces to be tested are automatically and accurately identified in the field of view of the high-definition industrial camera, the position information is transmitted to the upper computer software, and after an adjustable loading sliding table is controlled to accurately move to the pressure test position, and then a hook of the programmable digital dynamometer is triggered to move downwards to accurately align at the position of the metal wire/spring piece, the metal wire/spring piece is automatically hung one by one, data measured by the dynamometer is returned to upper computer software, and a pressure value of a contact point is automatically calculated by combining a pressure calculation algorithm. According to the method, an automatic test function is realized, and the single measurement time of a single metal wire/leaf spring is less than 15s; measuring precision is high, precision in the tension range is +/-0.05 gf, meanwhile, maintenance and installation are convenient, and the overload protection function is achieved.

The invention relates to a full-automatic plane bearing sleeving and assembling height detection machine which comprises an electric box control device, a rack, and a plane bearing feeding part, a plane bearing feeding and discharging manipulator, an outer thrust sheet stock bin, an outer thrust sheet feeding manipulator, an outer thrust sheet sleeving part, a bearing assembly height measurement part and an NG discharging part which are arranged in the rack. The full-automatic plane bearing fitting and assembling height detection machine further comprises an inner thrust sheet stock bin, an inner thrust sheet feeding and bearing assembly feeding and discharging manipulator assembly, an inner thrust sheet sleeving part, a bearing assembly carrying part and a bearing assembly overturning part which are matched with one another, the feeding, sleeving and detecting functions of plane bearings and thrust sheets can be automatically completed, the automation degree is high, the sleeving efficiency is high, the labor intensity of workers is greatly reduced, a measuring function is achieved, the quality of products after fitting can be ensured, the defective rate is reduced, and the reliability of the products is greatly improved.

The invention discloses a multifunctional belt. The multifunctional belt comprises a body, a connection buckle, a connection rod, a magnetic buckle, magnetic blocks and a bending part. The bending part is arranged at one end of the body, the connection buckle is clamped at the bending part in a sleeving mode and provided with the integrated-structure connection rod, the magnetic buckle is arranged at the tail end of the connection rod, and the magnetic blocks are arranged at the portion, close to the outer side of the other end, of the body. The belt is locked in a magnet-attracting mode, the opening mode is simple, and through the measurement function, the multifunctional belt is convenient and practical, has the positioning function, and can avoiding losing of a using person, the function is more powerful, market using requirements are met, and popularization of a product is facilitated.

The invention provides a pair of scissors with the head tip telescopic function. The pair of scissors comprises a body, holding parts and heads, wherein the holding parts and the heads are arranged at the two ends of the body. The heads are provided with head tips. A containing cavity used for containing the head tips and a spring component placed into the containing cavity are arranged inside the body, wherein the spring component is used for retracting the head tips into the containing cavity or pushing the head tips out of the containing cavity. The pair of scissors with the head tip telescopic function has the advantages of being simple in structure, convenient to use, safe to carry and the like.