42results about How to "Detect true" patented technology

The invention belongs to the simulation system and method of bogie of a high-speed train and discloses a coupling simulation system and method used for vibrating and loading a bogie assembly with multi-degree of freedom. A tension and pressure sensor and a displacement sensor are all mounted on servo hydraulic cylinders. An acceleration sensor is mounted on a six-degree-of-freedom excitation teststand. The tension and pressure sensor, the displacement sensor and the acceleration sensor are used for detecting stroke of a rod of the servo hydraulic cylinder, tension or pressure applied on the servo hydraulic cylinder and accelerated speed of the six-degree-of-freedom excitation teststand and feed back to a servo controller through PCI (peripheral component interconnect) 1716 of an AD board. An X-direction excitation hydraulic cylinder, a Y-direction excitation hydraulic cylinder and a Z-direction excitation hydraulic cylinder apply forces to the six-degree-of-freedom excitation teststand to simulate the six-degree-of-freedom movement. An X-direction force loading hydraulic cylinder, a Y-direction force loading hydraulic cylinder and a Z-direction force loading hydraulic cylinder apply forces to a train simulation device to simulate four-degree-of-freedom static and dynamic force loading, which is integrated with the six-degree-of-freedom vibration simulation to form the coupling simulation. The coupling simulation system has the advantages that redundant force and dynamic load interference factors are reduced, true coupling mechanics simulation environment is provided for the bogie of the high-speed train, and true and accurate detection is acquired in the state of the coupling environment.

The invention relates to a system and method for detecting the relative position and the speed of an elevator car. The system comprises a shaft, the elevator car, reference objects, an imaging device used for continuously shooting the reference objects, and a controller electrically connected with the imaging device. The elevator car and the reference objects are located in the shaft, the imaging device is arranged on the elevator car, and the reference objects are arranged along the moving track of the elevator car. The imaging device and the elevator car move simultaneously, the actual position of the car can be truly and reliably detected by conducting shooting and image recognition on the reference objects in the shaft, the detection deviation caused by skidding of a rotary component is avoided, and the detection precision is improved; the reference objects are shot through the imaging device, the reference objects do not need to be specially coded or printed with special images, application is easy and convenient, cost is low, installation and adjustment are convenient, and the application range is wide.

The invention discloses a safe state monitoring method of a motor vehicle based on wheel load type intelligent sensing. According to the method, wheel intelligent sensing modules are fast mounted on wheel hubs of the motor vehicle through a circular triangular movable wheel hub grabbing disc, a vehicle body intelligent sensing unit is mounted on the vehicle body and a suspension intelligent sensing unit is mounted on a suspension, so that real-time online monitoring of motion attitude, dynamic load and brake parameters of the motor vehicle, which are directly related to the operation of the motor vehicle, can be performed. The motion attitude, the dynamic load and the brake parameters of the motor vehicle can be obtained by performing signal conditioning, digitization and calculation through a monitoring algorithm of the motion attitude, the dynamic load and brake of the motor vehicle on all sensed signals. The safe state parameters of the motor vehicle can really, dynamically, comprehensively and scientifically monitor and actively evaluate the driving safety condition of the motor vehicle by combining and analyzing multiple sensed data. According to the method, the technical support capability of safe operation of the motor vehicle can be improved and the occurrence of traffic accidents can be reduced.

The invention discloses a novel temperature sensor which comprises a fixed disk, wherein the top of the fixed disk is connected with a lining with an opening in the top; a probe seat is arranged at the opening of the lining; a unidirectional heat conduction assembly is arranged between the probe seat in the lining and the fixed disk; the top of the probe seat is connected with a thermocouple and a probe in sequence from bottom to top; the thermocouple is connected with a wire passing through the fixed disk. The novel temperature sensor is a temperature sensor which can really sense the temperature in a heated pot body under a complicated heating environment and a long-time working state.

The invention discloses an imaging jitter detection device applied in a vacuum low-temperature environment based on an off-axis collimation optical system. The imaging jitter detection device comprises a primary mirror, a reflex mirror, an integrating sphere, a target, a translation stage, a displacement stage, a vibration isolation platform, a vacuum container and an optical window, wherein a space camera is placed on the vibration isolation platform, the primary mirror is fixed on the vibration isolation platform, the reflex mirror is fixed on the vibration isolation platform, the vibration isolation platform, the camera, the primary mirror and the reflex mirror are placed in the vacuum container, the integrating sphere is placed in an atmospheric environment, the target is fixed on the displacement stage or the translation stage, the optical window is installed on the vacuum container, finally a jitter image is acquired through image processing software, and influences imposed on an imaging result by jittering in different directions are understood through analyzing the jitter image. The imaging jitter detection device is mainly applied to imaging jitter detection in the vacuum low-temperature environment, and realizes detection for multidirectional imaging jittering of the space camera in the vacuum low-temperature environment through the off-axis collimation optical system.

The invention discloses a mycoplasma bovis antibody detection test strip and a preparation method thereof. The test strip provided by the invention comprises a bottom plate and a sample absorption pad, a colloidal gold pad coated with an antigen, a nitrocellulose membrane and a water absorption pad which are all arrayed on the bottom plate in sequence, wherein the nitrocellulose membrane is coated with a quality control line and a detection line; the detection line is coated with a Goat Anti-Bovine Secondary antibody IgG; the quality control line is a rabbit derived P48 fusion protein. The test strip provided by the invention can detect mycoplasma bovis antibody, including blood serum antibody and milk serum antibody, and has the advantages that the test strip is low in cost, simple to operate, convenient and quick to detect, requires no special equipment and apparatus, is high in detection susceptibility, strong in specificity, wide in application range and the like.

The invention provides an experiment device and method used for detecting the bonding strength of a channeling sealing agent. The experiment device used for detecting the bonding strength of the channeling sealing agent comprises a casing pipe and a fluid pumping mechanism, the casing pipe is a hollow shell with the bottom end closed and the top end open, a liquid discharge opening is formed in the bottom end of the casing pipe, a flange cover is connected with the top end of the casing pipe and provided with a liquid inlet, an artificial core is arranged in the center of the interior of the casing pipe and provided with a plurality of cracks which are arranged from top to bottom and used for containing the channeling sealing agent, a cement ring is disposed between the artificial core and the casing pipe, and fluid is pumped into the cracks by means of the fluid pumping mechanism. The experiment device used for detecting the bonding strength of the channeling sealing agent has the advantages of being simple in structure, convenient to operate, real in simulation, quick in detection, precise in data, safe, reliable and the like, and can evaluate the plugging performance of a profile controlling and water plugging agent or a modifying and flooding agent system in a simulated mode. The method used for detecting the bonding strength of the channeling sealing agent has the advantages of being quick in detection, precise in data and the like.

The invention relates to a biological detection reagent and a preparation method thereof, and particularly relates to a detection reagent for a mycoplasma bovis antibody and a preparation method thereof. The detection reagent for the mycoplasma bovis antibody is composed of one part of a mycoplasma bovis P48 recombined and expressed fusion protein antigen and one part of 10% hydroformylation-tanned sheep red blood cells (v / v) which are uniformly mixed. The gene sequence of the P48 recombined and expressed fusion protein antigen for the detection reagent for the mycoplasma bovis antibody is SEQ ID No.1. The detection reagent can be used for really detecting mycoplasma bovis and has the advantages of long preservation time, high sensitization titer, easiness in long-time preservation, high blood coagulation titer, simplicity in operation, convenience and rapidness, low cost, safety and stability, no toxin, no environmental pollution and the like.

The invention discloses a transformer oil temperature detection system, and the system comprises an oil tank. An iron core is provided with a high-voltage coil and a low-voltage coil in a winding manner. The upper part of the high-voltage coil is connected with a high-voltage insulating bush on the oil tank, and the low-voltage coil is connected with a low-voltage insulating bush on the oil tank. The upper part of the oil tank is also provided with a tapping switch which is used for adjusting the number of turns per coil. The oil tank contains transformer oil. The interior of the oil tank is provided with a plurality of ceramic heating pieces, and the iron core, the high-voltage coil and the low-voltage coil are provided with a plurality of thermal radiation optical fiber sensors in a winding manner. The thermal radiation optical fiber sensors are respectively disposed at the upper, central and lower parts of the iron core, the high-voltage coil and the low-voltage coil, wherein the number of the thermal radiation optical fiber sensors is 2-4. The ceramic heating pieces are cross-shaped, and the interior of each ceramic heating piece is provided with a heating core, wherein the heating cores are connected with electrodes. The exteriors of the heating cores are provided with ceramic layers, and the upper parts of the heating cores are provided with a plurality of core heads which are embedded into the ceramic layers. The beneficial effects of the invention are that the system is simple in structure, is convenient to use, is accurate in detection, truly detects the changes of oil of an oil immersed transformer in actual operation.

Disclosed is a bubble overflow preventing washing machine. The bubble overflow preventing washing machine comprises a housing, an outer barrel arranged inside the housing and open at the front end, and a rotatable drum arranged inside the outer barrel; a water inlet pipe inlets water into a washing box which is connected with the outer barrel through a hose. The bubble overflow preventing washingmachine is characterized in that the hose is in a normally-closed structure, and the outer barrel is provided with a bubble suction pump for discharging bubbles.

The invention provides a detection kit for enterococcus faecium indirect blood clotting. The detection kit is characterized by comprising an enterococcus faecium indirect blood clotting antigen, wherein the enterococcus faecium indirect blood clotting antigen is composed of enterococcus faecium CCTCC M 2016047 whole bacterial proteins and hydroformylation-tannin sheep red blood cells. The kit provided by the invention is simple, convenient and quick in operation; special equipment and instrument are not required; the whole process can be completed within 2-3 hours; the detection kit is fit for popularization and application in basic level; the detection kit can be widely applied to the investigation of enterococcus faecium epidemiology; the repeatability of the result is excellent; the result is stable and reliable; the antibody of the enterococcus faecium can be accurately detected.

The invention provides a material surface fog detection method, which comprises the following steps of: optionally performing initial detection: performing initial detection on the material to obtain a material without visual defects on the surface; and performing surface fog detection: detecting the surface fog of the material, wherein in the surface fog detection equipment, a photoluminescence signal of a material is filtered out through an optical filter module in a receiving light path, so that the photoluminescence signal is not detected by a detector. The invention further provides a device for detecting the material surface fog. According to the method and the device for detecting the surface fog, an unexpected material photoluminescence signal is filtered out, so that a material surface fog detection result can be more accurately obtained.

The invention relates to a high-efficiency sensitive and unbiased detection method for protein ubiquitin modification in a bio-sample. Artificial synthesis polypeptide formed by two different ubiquitin combination domains in series and including tag protein (GST) in the end N serves as a detection agent. Compared with commercial ubiquitin antibody, the provided detection agent and solid phase detection method can identify 8 different ubiquitin chains formed by ubiquitin molecules in an efficient and unbiased way, the endogenous ubiquitin chain of the bio-sample can be detected without bias, and the detection sensitivity for ubiquitin protein can be improved substantially.

The invention provides an antigen for detecting a porcine infectious pleuropneumonia antibody of swinery and a preparation method of the antigen. The antigen is a polysaccharide antigen which is extracted from type 1-15 strain cultures of porcine infectious pleuropneumonia actinobacillus; the polysaccharide antigen is a bacterial excreted polysaccharide which has very strong specificity and sensibility and is capable of truly detecting the porcine infectious pleuropneumonia antibody; the determination of a normal concentration critical value of the antigen provides guarantee for the detection of enzyme linked immunosorbent assay and the detection of indirect hemagglutination test; the preparation method of the antigen is simple to operate, convenient and quick, and suitable for popularization and application at the basic level, and does not need any special equipment and instrument.

The invention relates to a hydraulic pump cavitation state detecting system. The hydraulic pump cavitation state detecting system comprises a signal collecting module and a main control module, wherein the signal collecting module is used for collecting current operation data of a to-be-detected hydraulic pump in a hydraulic loop in the operation process; the current operation data comprise oil inlet temperature data of the to-be-detected hydraulic pump, oil inlet pressure data of the to-be-detected hydraulic pump, oil inlet flow data of the to-be-detected hydraulic pump, oil outlet pressure data of the to-be-detected hydraulic pump, oil outlet flow data of the to-be-detected hydraulic pump and pump shell vibration data of the to-be-detected hydraulic pump; the main control module is integrated with a trained ultralimit learning machine model; and the trained ultralimit learning machine model is obtained according to hydraulic pump historical operation data and a hydraulic pump cavitation state image corresponding to the historical operation data through training. According to the hydraulic pump cavitation state detecting system, the cavitation state of the to-be-detected hydraulicpump is determined based on the current operation data of the hydraulic pump and the trained ultralimit learning machine model, and the cavitation state of the hydraulic pump can be really and comprehensively detected.

The invention discloses a computer application software testing system and method. The system comprises an analogue simulation system and a software operation simulator, the output end of the analoguesimulation system is connected with the input end of the central processing module; wherein the output end of the central processing module is connected with the input end of a simulation butt jointmodule, the output end of the simulation butt joint module is connected with the input end of the application software terminal, and the output end of the application software terminal is connected with the input end of the software operation simulator. The invention discloses a computer application software testing system and method. When running test is carried out on the software; the softwarerunning fluency, interface and interface characters are well monitored and analyzed, the analysis result can be sent to a manager in time, the running steps and running process of the software can besubjected to analogue simulation, and therefore the software can be truly detected, and reliable basis and guarantee are provided for the software to be pushed to the market.

The invention provides an enterococcus faecalis indirect hemagglutination detection kit which is characterized by comprising an enterococcus faecalis indirect hemagglutination antigen. The enterococcus faecalis indirect hemagglutination antigen is composed of the whole bacterial proteins of enterococcus faecalis CCTCC M 2016027 and hydroformylation-tanned sheep red blood cells. The enterococcus faecalis indirect hemagglutination detection kit has the following advantages: the operation is simple, convenient and quick; special equipment and instruments are not required; the entire operation is completed in 2-3 hours. The enterococcus faecalis indirect hemagglutination detection kit is suitable for promotion and application in grassroots institutions, and can be extensively applied in the research and study on enterococcus faecalis epidemiology. The enterococcus faecalis indirect hemagglutination detection kit delivers an excellently repeatable, stable and reliable result, and can accurately detect the antibody of enterococcus faecalis.

The invention discloses a reverse torque detection device and reverse torque detection method for a one-way bearing. The device comprises a first fixture body, a second fixture body, a mandrel, four long bolts, and four nuts (5) matched with the long bolts, four short bolts and a fixing plate. According to the reverse torque detection device and reverse torque detection method for the one-way bearing of the invention, the first fixture body and the second fixture body are combined to fix the outer ring end surface of the one-way bearing; the mandrel and a ferrule are adopted to fix the inner ring end surface of the one-way bearing; since an end surface loading mode is adopted, the related drawbacks of the outer circle loading of a common detection device can be avoided; detected data obtained by the device of the invention are more realistic, stable and reliable; the fixing plate is used for fixing the mandrel when a hexagon bolt is tightened, and therefore, the inner ring of the bearing can be prevented from rotating with the mandrel when the inner ring of the bearing is clamped, so that a reverse torque applied to the inner ring of the bearing can be avoided indirectly; the fixing plate is removed before detection, so that the detection of the reverse torque of the reverse bearing is more realistic and reliable.

The invention provides an experiment device and method used for detecting the bonding strength of a channeling sealing agent. The experiment device used for detecting the bonding strength of the channeling sealing agent comprises a casing pipe and a fluid pumping mechanism, the casing pipe is a hollow shell with the bottom end closed and the top end open, a liquid discharge opening is formed in the bottom end of the casing pipe, a flange cover is connected with the top end of the casing pipe and provided with a liquid inlet, an artificial core is arranged in the center of the interior of the casing pipe and provided with a plurality of cracks which are arranged from top to bottom and used for containing the channeling sealing agent, a cement ring is disposed between the artificial core and the casing pipe, and fluid is pumped into the cracks by means of the fluid pumping mechanism. The experiment device used for detecting the bonding strength of the channeling sealing agent has the advantages of being simple in structure, convenient to operate, real in simulation, quick in detection, precise in data, safe, reliable and the like, and can evaluate the plugging performance of a profile controlling and water plugging agent or a modifying and flooding agent system in a simulated mode. The method used for detecting the bonding strength of the channeling sealing agent has the advantages of being quick in detection, precise in data and the like.

The invention discloses a medical disposable mask production detection device which comprises a detector shell, an air distribution disc is fixedly installed in the detector shell, a driving motor is embedded in the left side of the detector shell, the output end of the driving motor is fixedly connected with a main rotating shaft, and the other end of the main rotating shaft extends into the air distribution disc. The air distribution disc is communicated with an outer through pipe, the other end of the outer through pipe extends out of the detector shell, and a one-way valve a is installed in the outer through pipe. According to the medical disposable mask production detection device, air passing through the mask is blown to a bacteria detection paper board, the penetration effect of the mask can be visually known by observing the adhesion condition of impurities in the air on the bacteria detection paper board, an outer screw can be driven to rotate by twisting a twisting disc, therefore, the distance between the bacteria detection paper board and the mask can be adjusted, the spraying distance of the gas passing through the mask can be known, the bacteria prevention distance of the mask can be detected, and the detection perfection is improved.

The Semi-physical driving fatigue vision simulation system platform belongs to the technical field of driving vision simulation system platform. The invention comprises a vehicle dynamic model, a real vehicle (22), a vision simulation system and a driving information collecting system; with virtual reality as a basis, the technologies of interactive simulation, computer imaging and sensors are employed; the real vehicle (22) is in normal driving state and detects a research platform of driving fatigue state information in an all-round way; the vision simulation system comprises a work station(1) and a vision displaying device; the work station (1) resolves the vehicle dynamic model according to sensor signals of a driving information collecting system, generates and sends a dynamic driving scene to the vision displaying device; the driving information system comprises a driving parameter collecting subsystem, a video collecting subsystem, a physiology detecting subsystem and the like, which are respectively used to carry out all-round detection of characteristic information reflecting driving fatigue such as driving behavior, facial expression, body movement and physiological parameters of drivers. The invention is mainly applicable to experimental studies on the driving fatigue.

The invention discloses sound effect detection equipment and method for a tablet type electronic product. The sound effect detection equipment comprises a sound effect detection bin made of a sound insulation material and a bearing device penetrating through the middle of the sound effect detection bin, wherein a plurality of sound pickups are fixed to the inner wall of the sound effect detection bin, and the bearing device comprises a machine base, two conveying belts arranged on the machine base and moving in parallel and supporting tables; every four supporting tables support one tablet type electronic product so as to carry out sound effect detection on the tablet type electronic product; the sound effect detection bin is provided with a feeding port and a discharging port; the sound effect detection equipment further comprises a feeding port sound insulation plate located above the feeding port, a discharging port sound insulation plate located above the discharging port and an outlet side lifting mechanism; and the sound effect detection equipment further comprises a sound effect detection seat arranged at the bottom of the sound effect detection bin, and the sound effect detection seat is provided with a power supply wiring mechanism used for connecting a power supply of the tablet type electronic product. According to the sound effect detection equipment and the method for the tablet type electronic product, sound effect detection can be carried out on the tablet type electronic product placed on the conveyor belts, sound effect detection can be carried out intermittently, and the detection efficiency is high.

The invention discloses a separation method for a paper detection sample, which comprises the following steps: firstly, preparing paper to be cut, cutting three edges of the paper by using a paper cutter according to the size of a standard sample, and reserving the other edge of the paper; performing layered separation treatment on sample paper of which three edges are cut by utilizing an anti-static separation plate to ensure that the layered and separated paper sample is neat and does not deform; after layering separation treatment, cutting off the fourth edge of the sample paper according to the standard size, and performing separating by using an anti-static separation plate; and placing the cut sample paper on a precision tester according to inspection specification requirements for testing, and recording data. By adding the anti-static separating plate between the sample paper, the phenomena of paper breaking and sample deformation caused by adhesion and separation at the cutting position of the paper sample can be thoroughly solved, time and labor are saved, the paper sample detection is quick and efficient, and during paper sample detection, the obtained data are more real and more accurate, and the defects in conventional detection are overcome.

The invention belongs to the simulation system and method of bogie of a high-speed train and discloses a coupling simulation system and method used for vibrating and loading a bogie assembly with multi-degree of freedom. A tension and pressure sensor and a displacement sensor are all mounted on servo hydraulic cylinders. An acceleration sensor is mounted on a six-degree-of-freedom excitation teststand. The tension and pressure sensor, the displacement sensor and the acceleration sensor are used for detecting stroke of a rod of the servo hydraulic cylinder, tension or pressure applied on the servo hydraulic cylinder and accelerated speed of the six-degree-of-freedom excitation teststand and feed back to a servo controller through PCI (peripheral component interconnect) 1716 of an AD board. An X-direction excitation hydraulic cylinder, a Y-direction excitation hydraulic cylinder and a Z-direction excitation hydraulic cylinder apply forces to the six-degree-of-freedom excitation teststand to simulate the six-degree-of-freedom movement. An X-direction force loading hydraulic cylinder, a Y-direction force loading hydraulic cylinder and a Z-direction force loading hydraulic cylinder apply forces to a train simulation device to simulate four-degree-of-freedom static and dynamic force loading, which is integrated with the six-degree-of-freedom vibration simulation to form the coupling simulation. The coupling simulation system has the advantages that redundant force and dynamic load interference factors are reduced, true coupling mechanics simulation environment is provided for the bogie of the high-speed train, and true and accurate detection is acquired in the state of the coupling environment.