136results about How to "Detection impact" patented technology

The invention discloses a high-precision precise workpiece detecting-sorting machine. The machine comprises a first stander and a second stander, wherein a loading mechanism is arranged on the first stander; a first metal rotating disc, a second transparent rotating disc, a first conveying mechanism and an electric control unit are arranged on the second stander, the first metal rotating disc and the second transparent rotating disc are respectively driven by power devices, and the first conveying mechanism is used for conveying a workpiece from the loading mechanism to the first rotating disc; a first sensor, a longitudinal surface size detection mechanism, a second conveying mechanism and a first receiving mechanism are circumferentially arranged on the first rotating disc, and the second conveying mechanism is used for conveying the workpiece on the first rotating disc to the second rotating disc; a second sensor, a transverse surface size detection mechanism, an appearance detection mechanism and a second receiving mechanism are circumferentially arranged on the second rotating disc; the electric control unit is used for coordinating and controlling the action of each component. According to the high-precision precise workpiece detecting-sorting machine, the mechanical production line automatic detection is realized, and the first rotating disc can be subjected to surface polishing in a later machining period, so that the longitudinal surface size detection precision is improved, and the detection and sorting efficiencies are further increased; meanwhile, as workpieces with different shapes can be detected, the universality is enhanced.

The invention discloses a molecule detection method and a detection kit based on DNA self-assembly and G tetramers. Molecules and an aptamer interact to start a DNA self-assembly mediated strand displacement reaction, stem-loop structured DNAs are opened continuously and a closed G tetramer sequence are activated, thus generating a large quantity of G tetramer structures with activity. After being combined with hemin, the G tetramers have HRP catalytic activity and can be used for catalytically oxidizing TMB to generate a blue substrate so that the result can be seen with naked eyes. The molecule concentration is directly related to the depth of blue color. The molecule detection method is simple to operate; the whole reaction can be completed at room temperature without use of a tool enzyme; the sensitivity is relatively high, the detection limit for bisphenol A is 1pg/mL; the reaction has very good specificity; the detection result can be seen with naked eyes; no detection instrument is needed; the molecule detection method and the detection kit can be used for quick field analysis on molecules, especially on bisphenol A.

The invention relates to the field of high-voltage insulation detection, in particular to an electricity-heat combined aging and gas decomposition test device and an application method. The device comprises a voltage input unit, an electricity-heat combined test/gas decomposition test unit, a gas inlet unit and a gas production and detection unit. A high-voltage power supply input module uses an AC voltage, and applies the AC voltage into a gas decomposition chamber. The gas inlet unit is used for charging gas into a test cavity to carry out gas discharge decomposition test. A high-voltage electrode and a ground electrode are arranged in a cavity of the electric heating combined test/gas decomposition test unit. The gas production and detection unit is controlled by a ball valve and a four-way valve to be introduced into a micro-water instrument and a gas chromatograph to collect decomposed gas. According to the device and method, a solid organic insulating material is placed in a gasenvironment, so that fault diagnosis such as gas decomposition and material electric heating combined aging under local high temperature and high field intensity can be explored, and insulation statecombined evaluation is realized for solving practical engineering problems.

The invention discloses a method for determining 12 metal elements in soil and sediment. The method comprises the following steps: S1, collecting the soil to be tested; S2, smashing the soil to be tested to a size capable of passing through a 180-mesh sieve; S3, taking a soil sample from a sample bottle to pace in a digestion device for digestion; S4, driving acid until 8ml-10ml of the digestion solution is remained; S5, statically cooling to room temperature, pouring into a 50ml volumetric flask, and using an automatic constant volume device to diluting the solution to the full scale; S6, standing for precipitation, and taking supernatant for centrifuging; S7, putting a sample liquid in an inductively coupled plasma mass spectrometer; and S8, calculating the content of the 12 metal elements in the soil sample according to the weight of the soil sample and the concentration of the digested solution. In summary, the method is reasonable, largely avoids the problem of blockage of a pipeline and an atomizer during instrument detection, improves the digestion efficiency, reduces the error of manual operation, and improves the determination accuracy of the metal elements in the soil andthe sediment.

The invention discloses an elasticity detection device for a plate spring and a method for detecting the plate spring by using the same. The elasticity detection device comprises a plate spring base and a power applying device, wherein the power applying device comprises a guide mechanism, a push rod base is assembled horizontally on the guide mechanism in a movable manner, a push rod is assembled on the push rod base in a guided and movable manner, an elastic piece is arranged between the push rod base and the push rod, and a contact end is arranged at the front part of the push rod. In measurement, one end of the plate spring is fixed on the plate spring base, and the free end of the plate spring is dead against the contact end of the push rod; the push rod base is pushed to drive the push rod to move forward, so that the contact end of the push rod presses the free end of the plate spring to swing forward and the elastic piece between the push rod and the push rod base generates elastic deformation; when the free end of the plate spring swings forward to reach the elastic deformation required in the plate spring detection, the elastic deformation of the elastic piece is compared with a preset standard range; the plate spring is qualified if the elastic deformation of the elastic piece is in the preset standard range; otherwise, the plate spring is unqualified.

The invention relates to a multifunctional automatic permeameter for soil detection. The automatic permeameter is characterized by comprising an injection system, a model system and a data acquiring and processing system; the digital and modular acquiring and processing system is used for providing accurate measurement and control data for the whole permeameter, and a thermostat is used for simulating the soil temperature under the natural condition. Accordingly, measurement results are more accurate, a database, a report and a curve chart can be formed without a watch man or a large number of tedious test processes, and the application is flexible.

The invention discloses an oil filling system and method for a transmission. The oil filling system comprises an oil storage tank used for storing transmission oil, oil filling branches connected in parallel, and an oil pump used for conveying the transmission oil from the oil storage tank to the oil filling branches. Each oil filling branch comprises an oil filling control valve and a flow meter which communicate with each other in sequence. The oil filling branches communicate with oil filling ports of the transmission through oil filling guns correspondingly. The oil filling system further comprises a controller and oil level sensors. The oil level sensors are arranged on the oil filling guns. The controller is electrically connected with the oil level sensors, the flower meters and the oil filling control valves. The oil filling ports are further connected with an oil outlet branch communicating with the oil storage tank. By means of the oil filling system and method for the transmission, the reworked transmission does not need to be weighed, the oil filling process of the transmission can be completed on one work station, and accurate oil filling can be realized for the newly assembled and reworked transmission.

The invention provides a fingerprint recognition device, an array substrate and a display device and relates to the field of display technology. The fingerprint recognition device comprises first gate lines, second gate lines, reading signal lines and pressure splitting units, wherein the second gate lines and the reading signal lines intersect to define multiple fingerprint recognition units, and each fingerprint recognition unit comprises a photosensor and a thin film transistor; and the first gate lines are connected with the pressure splitting units, each pressure splitting unit comprises a pressure-sensitive device and an equivalent resistor which are connected in series, and each second gate line is connected between the corresponding pressure-sensitive device and the corresponding equivalent resistor. The pressure-sensitive devices and the equivalent resistors are connected in series to form the pressure splitting units, so that a switching signal controlling the fingerprint recognition units originally is applied to gates of the thin film transistors after being subjected to pressure splitting through the pressure splitting units, the on-off state of the thin film transistors is changed along with changes of finger pressure, interference from stray light in an environment can be resisted, and fingerprint recognition difficulty is lowered; and meanwhile, pressure information of a finger can be obtained to serve as assistant information for security recognition, and therefore richer user experience is realized.

The invention discloses a nondestructive testing method for water distribution in the drying process of roots of red-rooted salvia. Roots of red-rooted salvia samples with different drying times and different drying temperatures are coated with thread seal tapes in a sealed mode, and the coated roots of red-rooted salvia samples are placed for 3-5min at room temperature; a T2 spectrogram and proton density weighed images are obtained through the low-field nuclear magnetic resonance technology, the positions of 10 ms and 100 ms in the T2 spectrogram serve as boundaries, bound water exists at the positions of 0.1-10 ms, water not likely to flow exists at the positions of 10-100 ms, free water exists at the positions of 100-1,000 ms, the peak integral area serves as the relative content of the water, and therefore the relative content of the bound water, the relative content of the water not likely to flow and the relative content of the free water are obtained; distribution positions of the water in the roots of red-rooted salvia samples in the roots of red-rooted salvia samples are obtained according to the proton density weighed images, therefore, the distribution states of the bound water, the water not likely to flow and the free water of the roots of red-rooted salvia samples with the different drying times and the different drying temperatures are obtained, and then the water distribution in the drying process of the roots of red-rooted salvia is obtained.

The invention relates to the field of flaw detectors, in particular to a wheel set flaw detector capable of adjusting the wheel track of walking mechanisms. The wheel set flaw detector comprises a flaw detection mechanism, an adjusting mechanism, two walking mechanisms, a sweeping mechanism and a driving mechanism, wherein the walking mechanisms are oppositely mounted at two ends of the flaw detection mechanism; the two walking mechanisms are allowed to approach or depart from each other by utilizing the opening and closing principles of ribs; as the two walking mechanisms are contracted, thewhole wheel set flaw detector can be placed in a pipeline to be detected; and the walking mechanisms have a telescopic function, and the two walking mechanisms are loosened after being put into the pipeline to be detected, so the ends of the walking mechanisms abut against the pipeline. According to the invention, the wheel track is rapidly adjusted according to pipelines with different diameters;the whole structure of the wheel set flaw detector is guided, and the situation that the whole structure inclines during walking and the detection of pipelines is affected is avoided; when the wholestructure is placed into a pipeline needing to be detected and then rotates clockwise, expansion of the two walking mechanisms is achieved, so operation is easy; and the expansion of the two walking mechanisms is controlled at the same time, so wheel track adjusting time is saved.

The invention discloses an improved detection method for environment and light in product appearance defect detection. The method comprises the steps of S1 removing dust on the surface of a plate; S2shooting by using a CCD camera, and carrying out camera shooting detection on the plate; S3 light compensation: arranging shadowless lamps around the CCD camera; S4 light and shade double-field detection: arranging an LED stripe lamp to irradiate the surface of the plate; S5 adjusting the distance between the CCD camera and a light source, and adjusting the CCD camera and the light source througha stepping motor; and S6 outputting defect types and defect positions. According to the invention, dust on the surface of the plate is removed through a dust suction device; dust on the surface of theplate is prevented from influencing defect detection of the plate to a certain extent; the shadowless lamps are used for irradiating the surface of the plate, which prevents certain influence of theshadow of lamp light on detection of the surface of the plate; and the LED stripe lamp is adopted, so that bright and dark stripes are formed on the surface of the plate; and defects on the surface ofthe plate are detected through double-field detection and comparison.

The invention relates to the field of flaw detectors, in particular to a walking mechanism of a flaw detector for a round pipeline. The walking mechanism comprises a flaw detection mechanism, a limiting mechanism, a flange, a dust removal mechanism, a transmission mechanism and a cleaning mechanism. When the flaw detector walks, the dust removal mechanism is powered on to generate gas while rotating, and furthermore, as the dust removal mechanism generates wind energy in an annular array, the dust removal mechanism cleans dust on the inner wall of a pipeline needed to be detected in advance ina walking process of the whole mechanism, so that the flaw detection mechanism cleans dust of an undetected pipeline in advance favorably, and therefore, the condition that detection of the pipelineby the flaw detection mechanism is affected by dust is avoided. When the flaw detection mechanism walks, the dust removal mechanism cleans dust of the undetected pipeline in advance, the transmissionmechanism is driven while the dust removal mechanism rotates, and after the transmission mechanism rotates, the transmission mechanism located at the bottom of the flaw detection mechanism generates wind energy to blow dust cleaned by the dust removal mechanism to the direction of the undetected pipeline, so that dust is prevented from being accumulated in the pipeline.

The invention discloses a welding track tracking system, method and device. The welding track tracking system comprises a processor (10), a coherent light scanner (20), a photosensitive element (30) and a laser welding device (40). The coherent light scanner (20) is used for emitting a scanning light beam and a reference light beam which interefer each other and carrying out the coherent light scanning on a welding area, wherein the coherent light scanning comprises at least one scanning line; the photosensitive element (30) is used for receiving an interference signal of the reflected light of the scanning light beam and the reference light beam and sending the interference signal to the processor (10); the processor (10) is used for determining the height information of the scanning lines according to the interference signals, determining a welding track according to the height information of the at least one scanning line and generating a welding control signal according to the welding track; and the laser welding device (40) is used for positioning a welding track according to the welding control signal.

The invention relates to the technical field of power supply single event effect tests, and discloses a secondary electric power supply single event effect test method. The method comprises the following steps: the step S1 in which after a control signal is received by a DSP processing module, an A/D conversion module and a FPGA module are started; the step S2 in which the A/D conversion module is used to acquire a voltage signal inputted by a tested secondary electric power supply, and perform analog-to-digital conversion on the acquired voltage signal and then input the converted voltage signal to the FPGA module, wherein the voltage signal inputted by the tested secondary electric power supply is triggered by single event irradiation; the step S3 in which the FPGA module is used to process the received voltage signal, and judge whether fluctuation exists in the voltage signal inputted by the tested secondary electric power supply according to the processed and obtained signal, and if fluctuation exists in the voltage signal inputted by the tested secondary electric power supply, then the received voltage signal is inputted to a DSP processing module; and the step S4 in which the DSP processing module is used to process the received signal and then send the processed signal to an upper computer for display. According to the invention, the influences of a high-density single event on the secondary electric power supply can be detected effectively and sensitively.

The invention discloses a conveying device of a food quality detection device. The conveying device of the food quality detection device comprises a bracket; the lower end of the bracket is fixedly connected with a motor; a conveying roller is arranged at the upper end of the bracket; the conveying roller is rotatably connected with the bracket through a rotating shaft; the conveying roller and the motor are connected through a belt and a belt wheel; a conveying belt is arranged on the surface of the conveying roller; a protective cover is arranged above the bracket; the protective cover is fixedly connected with the bracket through a screw; the upper surface of the protective cover is fixedly connected with a detection cabinet; a baffle is arranged on the inner side of one end of the protective cover; a rotating sleeve is arranged at one end of the baffle; through a material receiving plate and a collecting plate which are designed below the conveying belt, food residues falling off from the conveying belt are received through the material receiving plate when food is conveyed on the conveying belt and are collected and cleaned uniformly through the collecting plate, so that the phenomenon that the food resides fall down the ground and are difficult to clean is avoided.

The invention provides a remote control relay that hard to bring influence to current detection by heat and electromagnetic noise generated accompanying adjacency or distance of a fixed contact point and a mobile contact point. The invention is provided with the following components: the fixed contact point; the mobile contact point; a electro-magnet apparatus, which drives the mobile contact point to get close to or far away from the fixed contact point according to control signal input from outside; a current mutual inductor, which detects electrical current between the fixed contact point and the mobile contact point; and a housing, which collects the fixed contact point, the mobile contact point, the electro-magnet apparatus and the current mutual inductor respectively. The current mutual inductor is arranged at the opposite side of the fixed contact point and the mobile contact point inside the housing separated by the electro-magnet apparatus. Regarding to the electro-magnet apparatus, comparing with the current mutual inductor arranged at the same side with the fixed contact point and the mobile contact point, the heat and electromagnetic noise generated by getting close to or away from the fixed contact point and the mobile contact point is hard to bring impact to current detection.

The invention relates to a countable stripe depth detection device for clothing metal pendant detection. The device comprises an equipment shell and a positioning box, a belt conveyor, a first slide way and a second slide way are sequentially arranged on the lower wall of the interior of the equipment shell from left to right, and a waste collecting box is connected to the upper end of the first slide way; and a two-way threaded rod and a first multi-section hydraulic cylinder penetrate through the front wall and the rear wall of the equipment shell from left to right, a material collecting box is connected to the upper end of a second slide way, a first motor is connected to the rear end of the two-way threaded rod, and a first contact sensor is installed at the lower end of a positioningclamping plate. The countable stripe depth detection device for clothing metal pendant detection has the beneficial effects that the contact sensor can be buffered when the contact sensor is in contact with a counting baffle through a connecting pin and a fourth spring, so that the contact sensor is prevented from being damaged when the counting baffle collides with the contact sensor.

The invention relates to the field of steel pipe nondestructive testing devices, in particular to a steel pipe nondestructive testing feeding device which comprises a base, a flaw detector, a feedingstructure, a rotating structure, a sweeping structure, a clamping structure and a cleaning structure. Through the arrangement of the clamping structure, the side wall of the upper half part of a steelpipe can be clamped and fixed by utilizing the gravity of the steel pipe, and therefore the steel pipe can be prevented from slipping off in the detection process, and the detection quality is improved; through work of the feeding structure, the steel pipe needing to be detected can be automatically conveyed to a detection area to be detected, time and labor can be saved, and meanwhile the detection precision effect can be improved; and when the feeding structure works, the rotating structure can be synchronously driven to work, through work of the rotating structure, rotation of the steel pipe can be achieved while the steel pipe is fed, and therefore all-around detection of the steel pipe can be conducted, the detection effect is improved, and the rotating structure can synchronously drive the sweeping structure to work while working.

The invention discloses a colloidal gold and fluorescence two-in-one data acquisition device and a colloidal gold and fluorescence two-in-one data acquisition method, relates to the field of optical test instruments, and solves the problem that no equipment for simultaneously reading two types of test paper exists due to negative effects of personal errors and environmental optical interference ofcolloidal gold method test on result judgment. In the invention, the main control board sets a detection environment according to the type of the test card; the method comprises the steps that a light source is set, a data processing mode corresponding to the type of a test card is selected, a main control board analyzes the test card according to the data processing mode corresponding to the type of the test card and outputs a result to a display screen, the main control board is used for inquiring the test card corresponding to a bar code, and the test card is divided into a fluorescence detection card and a colloidal gold detection card. According to the invention, the compatibility of principles of two detection methods is realized, and the optical sensor is not provided with a redundant filter, so that the colloidal gold detection is not influenced at all, and the respective detection of colloidal gold/fluorescence is perfectly realized without mutual influence.

The invention discloses a clamping device for hairy crab nondestructive testing, and relates to the technical field of aquatic product nondestructive testing. The clamping device comprises a hairy crab (0); the clamping device is provided with an optical bread board (1), a dovetail groove lead rail (2), gliding plates (3), a plastic rack (4), a gear box (5), a gear (6), a sponge (7), a rubber magnetic slice (8), a stepping motor (9) and a digital output pressure sensor (10). Through adjusting the distance between the gliding plates, different hairy crabs can be clamped; the clamping device is simple in operation, simple in device structure and low in cost; through adding the sponge at the contact part between the hairy crab and the clamping device, the hairy crab cannot be damaged; for the device is applied to the nondestructive testing study, the device can clamp hairy crab while fully expose the hairy crab body, and not influence on the hairy crab detection, and realize the destructive-free and high-efficient clamping and detection for all hairy crabs.

The invention discloses a semi-automatic multi-angle machine vision detector which comprises a mounting frame, springs are fixedly mounted on the outer wall of the mounting frame, a control box is fixedly mounted at the bottom of the mounting frame, a connecting frame is fixedly mounted at the top of the mounting frame, and an electric rod is movably mounted at the top of the mounting frame. A lifting frame is fixedly mounted at the top of the mounting frame, a sliding frame is fixedly mounted at the top of the mounting frame, a top plate is fixedly mounted at the top of the lifting frame, a fixing frame is movably mounted in the top plate, and a support is fixedly mounted in the fixing frame. According to the invention, the angle is adjusted through the two lenses and the movable light source, a workpiece to be measured is matched in an automatic angle rotation mode, multi-angle semi-automatic detection can be achieved through manual adjustment, the position of the light source is adjustable, the detection process is more convenient, and a spring additionally arranged on the bottom mounting frame is used for damping, and the detection is prevented from being influenced by overlarge vibration.

The invention relates to the technical field of mobile phone screen detection equipment, in particular to energy-saving and environment-friendly mobile phone screen detection equipment with a markingfunction. The equipment comprises an equipment main body, fixing frames are fixedly connected to the left side wall and the right side wall in the equipment main body, a sucker is fixedly connected tothe center of the front surface of the equipment main body, photoresistors are fixedly connected to the positions, located on the upper side and the lower side of the sucker, in the equipment main body, an electromagnet is fixedly connected to the interior of each fixing frame, and a limiting spring is fixedly connected to the right side face of each electromagnet. Red marking liquid in an air cushion is extruded and discharged, so that unqualified mobile phone screens are marked, the mobile phone screens are conveniently classified after being detected, the management is facilitated, the time of workers is saved, the working efficiency of the device can be well improved, and the detection efficiency of the device and the accuracy of detection data of the device are improved by enabling particles on the mobile phone screens to move along the flowing direction of airflow.

The invention discloses a livestock and poultry house air environment quality detecting system and a using method thereof. The system comprises a base. The top of the base is provided with a support rod. The top of the support rod is provided with a working box. A side of the working box is provided with an air pump. The output end of the air pump is provided with a connecting pipe. The end portion of the connecting pipe is provided with a connecting inner wire pipe. The inner cavity of the connecting inner wire pipe is provided with a pet cotton filling block. The top of the connecting innerwire pipe is provided with a first air pipe. The bottom of the working box is provided with a first sensing rod and a second sensing rod. The top of the first sensing rod is provided with a temperature and humidity sensor. The system uses the air pump for air suction, uses the pet cotton filling block in the connecting inner wire pipe to adsorb solid lumps, such as tiny particles and dust, in theair, so that a pipeline system and a detecting sensor inside the working box are protected against the erosion of objects such as dust and the like, are less prone to blockage and do not affect the detection of air environment, and the service lives of internal components are prolonged.

The invention discloses a cutter detection device in the technical field of cutter detection devices. The cutter detection device comprises a feeding mechanism, a turntable is arranged on the right side of the feeding mechanism, a motor is arranged at the lower end of the turntable, a plurality of notches are uniformly formed in the turntable at equal angles, a baffle is rotatably arranged in each notch, and a pushing mechanism is arranged in each baffle. Clamping mechanisms are symmetrically arranged on the two sides of the upper end of each notch, an arc-shaped plate is arranged at the rear side end of the turntable, a cleaning mechanism is slidably arranged in the arc-shaped plate, an air blowing mechanism is arranged on the upper end face of the arc-shaped plate, a detection mechanism is arranged at the right side end of the turntable, and a discharging mechanism is arranged at the front end of the turntable; through the arrangement, the problems that when the flatness of the cutter is detected, the cutter is contaminated by dust and the like in the production and transfer process, the detection accuracy is affected if the cutter cannot be cleaned, and the number of cutters is large in the production process, the automation degree is low, and the manual detection efficiency is low can be solved.