45results about How to "Contrastive" patented technology

The invention provides a method and a device for processing and displaying network access speed information. The processing method includes that terminal data which are sent by each terminal and comprise the network access speed information are acquired; the terminals are sequenced according to the network access speed information in the terminal data so as to generate overall network speed sequence data, and the network speed sequence data comprise the network access speed information and rank of each terminal; and a part of network speed sequence data is extracted from the overall network speed sequence data and back fed to a corresponding terminal, and the part of network speed sequence data comprises network speed sequence data of the corresponding terminal.

The invention relates to the technical field of experimental equipment, specifically to a water inrush and sand bursting simulation experiment apparatus. The water inrush and sand bursting simulation experiment apparatus comprises an experiment case, a first steel plate, a first moving steel plate and a first control mechanism, wherein the first steel plate is arranged in the experiment case, the first moving steel plate is arranged on the first steel plate, and the first control mechanism is in transmission connection with the first moving steel plate. The water inrush and sand bursting simulation experiment apparatus controls communication and staggering of first diversion holes at any time, namely opening and closing of a seepage channel, and the motion quantity of the first moving steel plate is controlled to control the communication area of the seepage channel. In this way, complete closing to complete opening of the seepage channel in the scope can adjusted at will to adjust the opening degree of the seepage channel, simulation of seepage of different magnitude can be simulated according to real situation, and simulated situation is more similar to actual situation. The simulation result is diversified and comparable, so that more accurate experiment results can be obtained.

The invention discloses a vehicle-mounted particle concentration detector which comprises a shell, a laser dust concentration sensor, a sampling pump and a sampling distribution valve, wherein the sampling distribution valve is arranged outside the shell and comprises a valve body and a valve core; a low-concentration sampling port, a high-concentration sampling port and a guide outlet are formed in the valve body; the low-concentration sampling port, the high-concentration sampling port and the guide outlet are communicated with an inner cavity of the valve body; a low-concentration channel and a high-concentration channel are formed in the valve core; the valve core is driven to slide by a valve core power device, so that the low-concentration sampling port and the guide outlet are butted and communicated with each other or the high-concentration sampling port and the guide outlet are butted and communicated with each other; a suction port of the sampling pump is butted and communicated with an air outlet of the laser dust concentration sensor through a communicating cavity; an outlet of the sampling pump is communicated with the exterior of the shell. The detector can detect the concentration of particles in a vehicle in real time and also can detect the concentration of particles outside the vehicle in real time, so that the detection result is comprehensive and accurate.

The invention relates to a coconut calcium alginate sandwich gel food as well as a preparation method and application thereof. The coconut calcium alginate sandwich gel food comprises a calcium alginate gel husk and a coconut particle kernel. The preparation method of the coconut calcium alginate sandwich gel food comprises the following steps of: preparing a coconut particle; soaking the coconut particle in calciferous solution; putting the coconut particle which is soaked in the calciferous solution into a calcium alginate solution; and carrying out solid-liquid separation to obtain the coconut calcium alginate sandwich gel food after coconut calcium alginate sandwich gel is formed. The coconut calcium alginate sandwich gel food provided by the invention is capable of providing better appearance and taste characteristics and can be widely applied to the production of various food products.

The invention belongs to the field of fire extinguishers, and particularly relates to fire extinguishing performance detection equipment for a portable dry powder fire extinguisher and a use method thereof. The problems that existing automatic detection equipment is single in function, does not have comparability, is not standard in detection result, is relatively low in detection efficiency, cannot collect and purify flue gas peculiar smell of an ignition object and is easy to pollute the surrounding environment. According to the scheme, the fire extinguishing performance detection equipment for the portable dry powder fire extinguisher comprises a base, wherein a connecting frame is fixedly mounted at the top of the base, a mounting seat is fixedly mounted at the top of the base, the mounting seat is arranged on one side in the connecting frame, and a plurality of mounting grooves are formed in one side of the mounting seat. According to the fire extinguishing performance detection equipment for the portable dry powder fire extinguisher and the use method thereof, automatic detection equipment is rich in function, a detection method has comparability, operation synchronism during detection is high, the detection result is standard, and the detection efficiency is high; the flue gas peculiar smell can be collected and purified during detection, and the surrounding environment is prevented from being polluted.

The invention discloses a synchronous alignment device and method for short-pulse laser Thomson scattering signal light spots to achieve high-precision synchronous monitoring of light spots positions. Two positions are selected from a signal receiving optical fiber bundle array; an optical fiber receiving end surface is equally divided into left and right two beams and the length difference between the two beams is 10m; short-pulse signals are transmitted into an original spectrometer and an APD detector in a manner of staggering about 50ns; and after data are obtained through a high-frequency collection system, two pulse signals are analyzed and calculated, the signal intensity ratio of the two pulse signals is used for analyzing real-time offset of the optical fiber end surface and then a three-dimensional optical fiber bracket is adjusted through a control system, so that the offset is eliminated and the system precision is improved. The spectrum shape and strength after the two pulse signals are superposed are used for calculating the electron temperature and density respectively. By the method disclosed by the invention, the relative positions of the signal receiving optical fiber end surface and the scattering light spots are directly and accurately detected through the device disclosed by the invention; and the method and the device are suitable for collection of short-pulse laser Thomson scattering signals and the like.

The invention discloses a novel assembly type wind power tower cylinder verticality detection device and detection method. The device comprises a connecting part, a laser emitter and a coordinate plate. The connecting part is installed on the outer wall of the upper end of the wind power tower barrel and is parallel to the ground. The laser emitter is mounted on the connecting part; the included angle between the laser beam emitted by the laser emitter and the ground is recorded as sigma, the included angle between the outer wall of the wind power tower and the ground is recorded as lambda, wherein sigma is equal to lambda; a magnet is attached to the center of the bottom of the coordinate plate; an XOY coordinate system is arranged on the surface of the coordinate plate, scales are arranged in the X-axis direction and the Y-axis direction, and positioning lines parallel to the X axis and the Y axis are arranged in the XOY coordinate system at intervals; during detection, the coordinate plate is fixedly connected to the ground at the position corresponding to the laser emitter; according to the invention, the mode of combining laser and the coordinate plate is adopted, so the measurement result accuracy is high, the measurement speed is high, and the reading is fast.

The invention discloses an internet-of-things (IoT) temperature collection system. The system includes an intelligent terminal and an intelligent gateway, a data collection module, a data storage module and a display module connected with the intelligent terminal. The system is characterized in that a main control chip module used for basic control on the system is independently disposed inside the intelligent terminal, the main control chip module is connected with a data processing unit, an analysis and comparison unit, an early-warning prompting unit and a table generating unit, and an alarm is disposed at an output end of the early-warning prompting unit. According to the system, internet-of-things temperature information collection is enabled to be more comprehensive, data have more facticity and contrast, temperature information in the system is also uploaded into an internet at the same time, distance limitation of data transmission is eliminated, and partial function structurecustomization can be carried out according to application scenes and environments thereof for adapting to temperature information collection work thereof, work efficiency can also be improved at the same time, and practicability is high.

The invention discloses an efficient thermal shock joint performance test device for a blade coating layer of a gas turbine. The efficient thermal shock joint performance test device comprises a high-temperature electric furnace system, a cooling water system, an air cooling system, a test piece placing device and a control system, wherein the test piece placing device comprises a test piece basket arranged on a traveling crane mechanism and a test piece placing seat; the test piece basket moves between the high-temperature electric furnace system and the cooling system in a reciprocating manner through the traveling crane mechanism; the test piece placing seat moves between the high-temperature electric furnace system and the air cooling system in a reciprocating manner through the traveling crane system. The efficient thermal shock joint performance test device can detect the thermal impact resistance of a test piece under three conditions of water cooling, natural cooling and forced air cooling so as to meet different experiment requirements, and the experiment efficiency is greatly improved. In the experiment process, the heating time and the cooling time can be set; the two experiment modes of natural cooling and forced air cooling are fully automatic, so that the thermal impact experiment can be automatically carried out, and the experiment times are recorded; the temperature of cooling water can be set through temperature control equipment, so that the water temperature is kept at a certain value, and more accurate experiment data are acquired.

The invention, which belongs to the technical field of mechanical test of materials, particularly relates to a test device for realizing expansion of various composite cracks and a use method thereof.The device comprises four fan-shaped arc plates, two U-shaped hooks, two perforated cushion blocks for adjusting the positions of samples, and a plurality of composite crack propagation samples. Three groups of through holes H1, i, H2, i and H3,i are formed in the fan-shaped arc plate, wherein the i is equal to 1,..., N, and N is the number of each group of through holes; the circle centers of each group of through holes are arranged on the same radius of the fan-shaped arc plate and are distributed at equal radian intervals, and the two through holes Hj, 1 and Hj,N at the two ends of each group of through holes are in 90-degree radian relation relative to the circle center of each fan-shaped arc plate, wherein the j is equal to 1, 2 and 3. Standardized I type, II type and III type composite crack propagation experiments and I / II type, I / III type and II / III type composite crack propagation experiments with different composite ratios can be realized, experimental results have certain comparability, and an experimental basis can be provided for researching the influence of different load composite ratios on composite crack propagation behaviors.

The invention relates to an electric arc length measurement device and a measurement method thereof and belongs to the technical field of electric arc welding. Through the electric arc length measurement device and the measurement method thereof, the problems that the electric arc length cannot be measured directly and the measurement result is inaccurate in the prior art are solved. The electricarc length measurement device disclosed by the invention comprises an electric arc generation device, a transparent tape graduation device and a high-speed camera, wherein the transparent tape graduation device is arranged on one side of a nozzle of the electric arc generation device and is parallel to the axis of the electric arc generation device; the high-speed camera is arranged in the presetposition of the surface, opposite to the nozzle of the electric arc generation device, of the transparent tape graduation device. After being powered on, the electric arc generation device generates the electric arc at the nozzle through an electrode. The transparent tape graduation device is used for measuring the electric arc length. The electric arc length measurement device provided by the invention can directly measure the length of the electric arc and is little affected by electromagnetic interference, and the measurement result is accurate. According to the measurement result, an execution mechanism can be made to more stably control the electric arc length during welding, weld penetration is more uniform, and the defects of incomplete welding penetration and the like are avoided.

The invention relates to a water absorbability detection device ,and in particular relates to a detection device for the water absorbability of mosaic ceramic tiles. Aiming at solving the technical problems, the invention provides the detection device for the water absorbability of the mosaic ceramic tiles, which has an accurate detection result. In order to solve the technical problems, the detection device for the water absorbability of the mosaic ceramic tiles, provided by the invention, comprises a placement frame, a clamping block, a tripod, hard pipes, cylinder bodies, a piston, a connecting rod, a placement plate, a rotary rod, a second slide block, a second slide rail, a swinging rod, a second bracket, a second pull wire, a fixed pulley wheel, an electric wheel, a first slide rail, a first pull wire, a first slide block, a spring and a first bracket; the cylinder bodies are arranged at left and right ends of the top of the first bracket; the hard pipes are arranged at the outer tops of the cylinder bodies. By adopting the rotary rod, the rotary rod rotates along with the weight change of the placement frame, and the water absorbability sizes of a first ceramic tile and a second ceramic tile can be indirectly compared, so that whether the inherent quality of the first ceramic tile and the second ceramic tile is good or not is detected.

The invention relates to a test method for a crop root development test observation room. Parallel tests of crop root systems are carried out in the observation room, and gravity water and combined water at different depths are extracted, so that the water and fertilizer condition research is carried out. The observation room is a basement, and a plurality of planting pipes, a gravity water collecting system and a combined water extracting system for the parallel tests are arranged in the basement; the tops of the planting pipes correspondingly penetrate through reserved holes formed in the top of the basement and are fixed to the ground, and the bottoms of the planting pipes are arranged in the basement through a support; the gravity water collecting system and the combined water extracting system are all arranged on a wall of the basement. The method has the advantages that the structural design is reasonable and installation is convenient, the crop growth space and the soil environment can be controlled, and growth requirements of the root systems can be met. Meanwhile, the parallel tests and research about the water and fertilizer condition of the gravity water and the combinedwater under different depths can be carried out, soil is convenient to replace, and comprehensive research can be conducted by applying a plurality of research methods.

The invention provides a tunnel monitoring measuring device for aiming at a tunnel dark environment and a configuration method. The device comprises a transparent housing. The transparent housing is internally provided with light emitting diodes which are distributed in a matrix manner. The housing is provided with a cross wire at a position which corresponds with the distribution area of the light emitting diodes. Furthermore the center of the cross wire is at the center of the matrix of the light emitting diodes. The housing is provided with a locking mechanism. The measuring device can be fixed to the measuring point position. Through the transparent device, inner light can be diffused to outside through the housing, and easy finding in a dark environment is realized, thereby realizingno requirement for additional labor force for illumination for searching the measuring point.

The invention provides a sealing pressure-resistant device mounted with a constant-volume-bomb oil atomizer. The sealing pressure-resistant device comprises an oil atomizer base and an oil atomizer gland, the oil atomizer base is divided into upper, middle and lower portions and is through from top to bottom, the inside of the oil atomizer base is hollowed for mounting the oil atomizer, an inner cavity is matched with the oil atomizer to well limit radial movement of the same, the oil atomizer gland is a cover with a U-shaped opening, connected with the oil atomizer base through a bolt and embedded with the oil atomizer through the U-shaped opening to limit rotation of the oil atomizer, and the oil atomizer is fixed through two fixing measures of the oil atomizer base and the oil atomizer gland. The oil atomizer base is provided with a sealing device, so that sealing between the oil atomizer and a constant volume bomb body can be guaranteed. The sealing pressure-resistant device is simple in structure, convenient to mount, adaptable to all types of mounting devices, good in fixing effect, capable of guaranteeing position of the oil atomizer to be unchanged under high-frequency vibration and guaranteeing sealability and suitable for specific requirements of constant volume bomb atomization burning experiments.

A demonstrative experiment device for simulating remote power transmission is jointly composed of a binding post 1, a step-up transformer T1, a step-down transformer T2, AC ampere meters A1 and A2, AC voltmeters V1 and V2, four resistors R1, R2, R3 and R4 with the same resistance value, small bulbs L1 and L2 and two lamp bases. The demonstrative experiment device is characterized in that the binding post 1, the step-up transformer T1, the step-down transformer T2, the AC ampere meters A1 and A2, the four resistors R1, R2, R3 and R4 with the same resistance value, the small bulbs L1 and L2 and the two lamp bases are fixed to the same bottom plate respectively. By means of the demonstrative experiment device, the purpose of simulating remote power transmission with a teaching aid is achieved, materials are simple, operation is convenient, display numbers of the voltmeters and the ampere meters can be read, the relation between voltage loss, an input voltage and an output voltage in the remote power transmission process and the relation between the current and the transmitted voltage in a circuit can be described, and a quantitative ratio and comparability are achieved.

The invention relates to the field of high-temperature static-load tensile tests of metal materials, and aims to provide a high-temperature tensile test method for high-strength low-alloy weathering-resistant structural steel, which comprises the following steps: when a material generates short work hardening and long work softening conditions, changing the speed in an interval of which the displacement reaches 5-10% of the length of a parallel section; wherein the test temperature of the tensile test is 650 DEG C; the displacement rate of a cross beam before yielding is 0.15 mm / min, and the displacement rate of the cross beam after yielding is 2.5 mm / min; and the high-strength low-alloy weather-proof structural steel is S355J2W. According to the invention, the problems of consistent testrate and large tensile strength value difference of high-strength low-alloy weather-resistant structural steel during high-temperature stretching at 650 DEG C are solved. Under a certain given rate condition, the speed change position after yielding is further determined, so that stable and real tensile strength is obtained.

The invention belongs to the technical field of material mechanics test and testing, and in particular relates to a test device and a use method for realizing the propagation of multiple composite cracks. The device includes four fan-shaped arc plates, two U-shaped hooks, two spacers with holes for adjusting the position of the sample, and several composite crack propagation samples. The fan-shaped arc plate has three groups of through holes H 1,i , H 2,i and H 3,i , i=1,...,N, N is the number of through holes in each group; the center of each group of through holes is placed on the same radius of the fan-shaped arc plate and arranged at equal radian intervals, and the most Two through holes H at both ends j,1 and H j,N , j=1, 2, 3 are in a 90-degree radian relationship with respect to the center of the fan-shaped arc plate. The invention can realize the standardized I-type, II-type, III-type and I / II-type, I / III-type and II / III-type compound crack propagation experiments with different compound ratios, and the experimental results have certain contrast, which can be used for research The effect of different load compound ratios on the growth behavior of compound cracks provides an experimental basis.

The invention relates to electronic product testing, in particular to a portable proximity switch testing device. The technical problem of the present invention is how to provide a portable proximity switch testing device that has a fast detection speed and is easy to carry into a factory workshop. A portable proximity switch testing device includes an installation housing, a handle, a connection box, etc.; the lower side of the installation housing is provided with a handle. The present invention can avoid the time waste caused by sending the sample into the laboratory for detection by adopting the method that the device can be held by the handle to enter the factory workshop, and if the sample volume is large, the effect will be more obvious; by using the proximity switch into the socket The method of testing with different metal sheets can make the test results comparable.

The invention discloses a quadrature oscillation simulation device and method for measuring the anti-scouring performance of a test piece, and belongs to the technical field of material tests. Eight electric jacks are controlled by a controller to move; the electric jacks drive an oscillation assembly to perform orthogonal oscillation motion; and therefore, the scouring environment of a material under a real oscillation effect is simulated, the scouring resistance of the material sample under an orthogonal oscillation effect can be visually observed. The test piece is fixed through a baffle, and in the experiment process, the erosion damage process of the test piece under the erosion effect can be visually observed, and therefore, the directness of the device is improved, and the stabilityand the accuracy of the device are ensured.

The invention relates to the technical field of water sampling, and particularly discloses a water sampling device for ecological investigation and a sampling method.The water sampling device comprises a connecting base and a mounting frame, the mounting frame is fixedly arranged at the top of one end of the connecting base, the top of the mounting frame is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with a lead screw; the outer side of the lead screw is in threaded connection with a connecting sleeve, the bottom end of the lead screw is fixedly connected with a limiting disc, a limiting cavity is formed in the connecting sleeve, the limiting disc is arranged in the limiting cavity, the outer side of the connecting sleeve is fixedly connected with a fixing lantern ring, the interior of one end of the fixing lantern ring is fixedly connected with a sampling barrel, and three cavities are formed in the sampling barrel. According to the water body sampling equipment for ecological investigation and survey and the sampling method, the operation is simple and convenient, the sampling work of water bodies with different depths is realized, the taken-out water bodies have comparability, and the accuracy of water body detection is improved.

The invention discloses a flow velocity detection device for thyroid and breast surgery drainage, which comprises a support frame, a transparent drainage tank is arranged in the support frame, the drainage tank is used for storing drainage liquid, an adjusting device for adjusting drainage speed is arranged on the support frame, the adjusting device is connected with the drainage tank through a drainage tube, a detection assembly is arranged in the drainage tank, and the detection assembly is connected with the drainage tank through a drainage tube. The detection assembly is used for detecting flow velocity of drainage liquid. According to the detection device, by rotating the first adjusting plate and the second adjusting plate, the flowing-out time of the drainage liquid and the flow velocity value with one hour as the unit are set, then the volume of the drainage liquid in the tank body within the set time is observed, and therefore the flow velocity needed for the tank body to reach the maximum value can be detected; the drainage tube can be stopped in time through the detection assembly, meanwhile, the alarm gives out an alarm prompt, the detection accuracy can be improved, and detection data are made to have comparability.

A device and method for evaluating the durability of concrete under the action of a wick effect. The device includes a frame, a workbench mounted on the frame, and a plurality of independent specimen clamping devices fixed on the workbench. The specimen clamps The device includes a solution box and a vacuum box arranged side by side at both ends of the test piece, and a fixture for clamping the test piece between the solution box and the vacuum box. The opening of the projected size of the end surface of the piece, the inside of the solution box and the vacuum box communicate with the test piece through the opening, and the solution box and the vacuum box are provided with a seal that makes the contact surface of the test piece and the opening sealed. The top of the tank is provided with a liquid injection port connected with the solution tank, and a vertically arranged scale tube with a sealing plug can be placed at the liquid injection port. The vacuum box is provided with a vacuum port connected with a vacuum pump. The invention has simple and reasonable structure, simple operation steps, convenient installation and debugging, and is suitable for industrialized production.

The invention discloses an image display device based on illumination analysis, comprising: an illumination sensing module for sensing illumination in the surrounding environment to obtain illumination information; an illumination analysis module connected to the illumination sensing module for analyzing the illumination The light-sensing information obtained by the sensing module is used to obtain light color information; the color matching generation module is connected to the light analysis module, and is used to generate corresponding a color scheme; an image display module, connected to the color generation module, for displaying the view component according to the color scheme generated by the color generation module. The present invention can improve the recognizability of the graphics of the view component by sensing the ambient light and automatically adapting to changes in the ambient light without manual modification by the user, bringing convenience to the user.

The invention relates to an efficient cigarette smoke sampling device which comprises a box body, a sampling detection assembly, a cleaning assembly, a control unit, a smoke inlet pipe and a smoke outlet pipe. The sampling detection assembly is arranged in the box body and located at the bottom of the box body, the cleaning assembly is arranged on the inner side wall of the box body, the control unit is arranged in the box body, the smoke inlet pipe is arranged at the top of the box body, the smoke outlet pipe is arranged at the bottom of the box body, and the control unit is electrically connected with the sampling detection assembly and the cleaning assembly. According to the technical scheme, the control unit electrically controls the electronic valve on the smoke inlet pipe to discharge high-temperature gas containing smoke into the sampling detection assembly, the cleaning assembly is controlled by the control unit to clean the sampling detection assembly, the smoke is discharged through the smoke outlet pipe, the sampling detection assembly can be kept clean, detection data are more accurate, and high-temperature flue gas is effectively utilized to dry the interior, so that continuous detection is facilitated.

The invention provides a sealing pressure-resistant device mounted with a constant-volume-bomb oil atomizer. The sealing pressure-resistant device comprises an oil atomizer base and an oil atomizer gland, the oil atomizer base is divided into upper, middle and lower portions and is through from top to bottom, the inside of the oil atomizer base is hollowed for mounting the oil atomizer, an inner cavity is matched with the oil atomizer to well limit radial movement of the same, the oil atomizer gland is a cover with a U-shaped opening, connected with the oil atomizer base through a bolt and embedded with the oil atomizer through the U-shaped opening to limit rotation of the oil atomizer, and the oil atomizer is fixed through two fixing measures of the oil atomizer base and the oil atomizer gland. The oil atomizer base is provided with a sealing device, so that sealing between the oil atomizer and a constant volume bomb body can be guaranteed. The sealing pressure-resistant device is simple in structure, convenient to mount, adaptable to all types of mounting devices, good in fixing effect, capable of guaranteeing position of the oil atomizer to be unchanged under high-frequency vibration and guaranteeing sealability and suitable for specific requirements of constant volume bomb atomization burning experiments.

The invention provides a processing method and device for network access speed information, and a display method and device for network access speed information. The processing method includes: obtaining terminal data including network access speed information sent by each terminal; sorting each terminal according to the network access speed information in the terminal data to generate overall network speed sorting data, the network speed sorting The data includes: the network access speed information of each terminal, the ranking of each terminal; part of the network speed ranking data is extracted from the overall network speed ranking data, and fed back to the corresponding terminal, wherein the part of the network speed ranking data includes The network speed ranking data of the terminal.