36results about How to "Easy to compare data" patented technology

The invention discloses a universal surface-shaped material tension, strain and deflection testing device which comprises a pressure loading system, a test sample holding platform, a pre-stress loading system and a testing and data acquisition system, wherein the pressure loading system consists of a counterforce vertical column, a transverse beam, a base, a servo feeding device A and a loading head; the pre-stress loading system comprises a servo feeding device B, a tension sensor and a loading plate; the testing system comprises a pressure sensor, a displacement sensor and a laser displacement meter; the data acquisition system comprises a data acquirer and a computer. A prepared test sample is placed on the test sample holding platform, pre-stress and pressure are respectively exerted to the surface-shaped material test sample through the pre-stress loading system and the pressure loading system, data tested by different sensors are read by the testing and data acquisition system, and the pressure, the displacement and the deflection of the surface-shaped material test sample are calculated. By adopting the testing device, experiment testing on surface-shaped materials of different materials and different constraint conditions can be met.

The invention discloses a system and a method for statistical analysis of sales performance based on a store retail terminal. The system comprises a performance summary module, a performance statistics module and a performance analysis module. The method comprises steps that performance data is acquired by the performance summary module from a central database server, and each preset attribute data summary is updated in real time; data statistics is performed by the performance statistics module, and data analysis is carried out by the performance analysis module based on the data statisticalresult. The system and the method are advantaged in that real-time update of the sales performance of each store in the present day, timely statistical analysis and calculation of the completion rateare carried out, and the data statistical result is displayed in the form of statistical charts, so sales performance of each store can be conveniently and clearly understood by the enterprise management level. Through the system, statistics of the sales performance is carried out according to store attributes, and comparison of the sales performance among the stores is facilitated.

The invention belongs to the technical field of solar power generation. The invention discloses photovoltaic power station string fault diagnosis method, device and equipment and a readable storage medium, which are applied to a photovoltaic power station with string inverters. The string inverters have an IV curve scanning function, and the diagnosis method comprises the following steps: obtaining IV curve scanning data of each string inverter of the photovoltaic power station; counting the number of zero-current data with the current of zero in the IV curve scanning data, establishing an IVcurve function corresponding to each string inverter according to the IV curve scanning data without the zero-current data, calculating a characteristic value of the IV curve function, and calculatinga characteristic value limit value and a zero-current data limit value; and performing judging according to the characteristic value limit value and the zero current data limit value to obtain the fault condition of the corresponding photovoltaic power station string. Faults can be diagnosed by utilizing an existing string inverter, the scanning calculation speed is high, the fault diagnosis accuracy is high, the missed detection probability is low, the labor cost is low, and the method has great popularization value.

The invention relates to a device and method for combining mark recapture with animal behavior surveillance. The device comprises infrared monitoring equipment, a data storage device, an inducing coil, a data transmission device, a power source, and a PIT chip, and is characterized in that an output end of the infrared monitoring equipment is connected with an input end of the data transmission device through a data cable; the inducing coil is fixed to the ground through a fixing drill rod, the inducing coil can induce the PIT chip, and information of the PIT chip can be transmitted to the data transmission device connected through a data cable; an output end of the data transmission device is connected with the data storage device through a data cable. Through the use of the device, mark recapture in animal study and a wild animal monitoring process can be combined, the workload of study personnel is reduced, the study personnel does not need to go to the site by themselves, daily activities of the animals cannot be influenced, and the study personnel can learn animal behaviors at any time.

The invention discloses a Bufferable mode verification method which includes the steps: connecting a designed write address channel, a write data channel and a write response channel to be tested witha verification platform; defining parameters according to verification requirements; performing sampling by a clock and storing information of a Master end write request and information on a Slave end write response channel; building a response channel conversion module, arranging the information stored at a Slave end and then returning the information to a Master end; transmitting the information to a score indicator by the Master end, taking a return time point as a data comparison trigger condition by the score indicator, fitting data of a write request by address information and ID (identification) information, comparing the data with data of the Slave end at the same address, and verifying data correctness. The verification method has the advantage that write operation of the Bufferable mode and a Non-Bufferable mode can be verified.

The invention discloses a vocal music teaching singing skill detection system. The invention specifically relates to the technical field of music teaching detection. The system comprises a server fordata processing and analysis, the output end of the server is connected with a student end for singing students to operate; the input end of the student terminal is connected with a sound acquisitionmodule used for audio recording, a throat detection module used for detecting the throat position condition during singing, and a body cavity detection module used for detecting the body cavity breathing opening condition during singing. The output end of the server is connected with a sound evaluation module used for sound comparison, detection and evaluation and a skill evaluation module used for evaluating singing skills in combination with collected throat data and body cavity data. According to the invention, sound evaluation is carried out through the sound evaluation module, the skill evaluation module compares the physical sign information with standard singing physical sign information, singing skill evaluation is carried out, the evaluation result is more accurate, and subsequenttargeted practice is facilitated.

The present invention discloses a joint weighing device of a plurality of weighing devices. The joint weighing device comprises a plurality of electronic scales placed below a to-be-measured object and an APP weighing host, each electronic scale comprises an electronic scale controller, and the electronic scale controller is connected with a weight sensor and a wireless communication module. One electronic scale is a main electronic scale, and the wireless communication modules of the other electronic scales are all connected with the wireless communication module of the main electronic scale. The main electronic scale controller is also connected with a weighing calculator used for summing the weighing data of all electronic scales, the APP weighing host comprises a weighing controller, and the weighing controller is connected with a weighing wireless communication module, a display module, a picture editing module, a chart display module, a historical data display data, a precision adjusting module, a zero clearing module and a network communication module. By arranging the plurality of electronic scales on the force bearing points of the object to weigh and measure, the measurement accuracy is improved.

The invention discloses an application method of a wireless discharging device of an accumulator cell, which is realized by the following steps: (1) merging a temporary accumulator cell group into a running direct current (DC) loop, retreating an accumulator cell group in an original DC loop from running and using the accumulator cell group in an original DC loop as an accumulator cell group to bedetected; (2) accessing the wireless discharging device to the accumulator cell group to be detected; (3) setting discharging parameters of the wireless discharging device, detecting wire connectionsand patrolling data; (4) discharging and charging the accumulator cell group to be detected for a circle; (5) judging whether the accumulator cell group to be detected is qualified or not according to a discharging result obtained in step (4); if the accumulator cell group to be detected is qualified, turning to step (6); if not, turning to step (4); and (6) recovering original wire connection manner. The invention has the advantages of high accuracy of current control, continuously adjustable discharging current of accumulator cells, error within the range of 0.5 A, simple wire connection, small size for carrying conveniently, diverse operation modes, and clearer discharging data for comparing data conveniently.

The invention relates to the field of ultrasonic detection, in particular to a test block for detecting a coating of a wind power tower barrel. The test block comprises a test block body; a forward stepped structure is arranged on the front surface of the test block body; the back surface of the test block body is provided with a reverse stepped structure which can be matched with the forward stepped structure; the forward stepped structure and the reverse stepped structure are distributed around a central line of the test block body in a central symmetry mode; and comparison areas are arranged on the top surface and the bottom surface of the test block body. A comparison experiment can be carried out through a coating area and a non-coating area which are arranged on the test block; the internal quality of a weld joint of the wind power tower barrel can be detected under the condition that the original coating is not damaged, and a detection effect is good; coating thickness measurement and equivalent comparison can be completed on one test block; and meanwhile, the test block is convenient to carry and store and fast to calibrate, and has the characteristics of convenience in data comparison and high practicability.

The invention discloses a portable multifunctional gasoline octane number testing machine, which comprises a storage battery, a master control device, a gasoline octane number testing machine and an oil product cup. The portable multifunctional gasoline octane number testing machine is characterized in that the storage battery is connected to the master control device, which is connected to the gasoline octane number testing machine; the gasoline octane number testing machine is connected to the oil product cup; the master control device is also respectively connected to a knocking intensity measuring instrument, a control device, a display device, a communication device, an alarm device and a printer; the gasoline octane number testing machine is also respectively connected to the knocking intensity measuring instrument and an elevating gear; the elevating gear is equipped with an oil product cup support, the top of which is connected to the bottom of the oil product cup; and the knocking intensity measuring instrument is connected to the control device, which is connected to an elevating support. The portable multifunctional gasoline octane number testing machine is convenient to carry, is convenient to monitor data, is convenient to use, and can monitor data, receive and send data, compare data and print data, etc.

The invention relates to the technical field of data management, and discloses a big data management system based on a smart shopping mall, and the system comprises a monitoring system which is used for obtaining target feature data; a member system which is used for generating member dynamic data; a transaction system which stores shopping mall transaction data; a data resource center which communicates with the monitoring system, the member system and the transaction system, collects target feature data, member dynamic data and transaction data, and integrates the data according to classification; a data analysis system which communicates with the data resource center and performs interactive statistical analysis on the integrated data; and a data display system communicates with the data analysis system to realize visual display of the data. By associating the data of different dimensions, the behaviors of shoppers are better measured, customer group portraits and consumption activity preferences are depicted, and the health condition of shop operation is monitored, so that rent pricing and overall business planning management are conveniently guided according to the operation condition of shops and customer requirements.

The invention discloses a continuous product detection device and method convenient for sampling, and the device comprises a fixed seat, and an automatic clamping and sampling assembly is fixedly installed at the edge of the top end of the fixed seat. The automatic clamping and sampling assembly is mainly formed by combining an electric rotating shaft, a sampling driving gear, a sampling driven gear, a sampling connecting rod, a sampling sliding rod and a sampling connecting frame, the electric rotating shaft has the function of taking materials from a cutting knife, and the sampling driving gear, the sampling driven gear, the sampling connecting rod, the sampling sliding rod and the sampling connecting frame have the function of synchronously taking materials from a needle cylinder; through cooperation of the automatic clamping and sampling assembly and the rotary buffering and collecting assembly, a worker can conveniently carry out positioning and sampling treatment on materials, the material sampling process of the worker is optimized, the stability of the material sampling process is guaranteed, meanwhile, the worker can conveniently carry out storage treatment on sampled waste materials, and the working efficiency is improved. And the pollution to the external environment caused by peculiar smell generated by placing the waste materials everywhere is avoided.

The invention discloses a circumferential weld risk estimation method and device for a conveying pipeline and a computer readable storage medium. The method comprises the steps that a risk predictionmodel corresponding to a circumferential weld of a conveying pipeline is determined based on basic parameter data of the urban building group conveying pipeline; wherein the risk prediction model comprises risk level information, score ranges corresponding to the risk levels, an index set for evaluating circumferential weld risks and scoring ranges of the indexes; based on the risk prediction model, the risk weight value and score value of each index of the circumferential weld are automatically calculated according to the detection data in the pipeline and the basic parameter data; when the consistency check relational expression is used for checking that the assignment of each risk weight value meets the condition, based on the risk weight value and the score value, the degree of association between each index and the risk level of the circumferential weld is determined by using a circumferential weld risk association relation to obtain the risk estimation information of the circumferential weld, thereby effectively reducing the degree of influence of human subjective factors on the circumferential weld risk estimation process, and improving the accuracy of circumferential weld risk estimation of the conveying pipeline.

The invention discloses a multi-parameter radar level transmitter. The transmitter comprises a first radar level meter, a second radar level meter, a sleeve and a flange plate, the first radar level meter and the second radar level meter are both connected to the flange plate, and the detection ends of the first radar level meter and the second radar level meter both penetrate through the flange plate. The sleeve sleeves the outside of the detection end of the first radar level meter, one end of the sleeve faces the end portion of the flange plate and is fixedly connected with the flange plate, the sleeve is made of conductive materials and used for preventing electromagnetic waves emitted by the detection end of the first radar level meter and the detection end of the second radar level meter from interfering with each other. The multi-parameter radar level transmitter provided by the invention can measure the liquid level and the interface at the same time, and is convenient to control and compare data.

The invention provides a thermal insulation performance detection device for a building thermal insulation wall, and relates to the technical field of thermal insulation performance detection. The control part is arranged on the supporting part; the heating part is arranged above the control part; the pressing part is arranged above the heating part; a motor is controlled to drive a pressing plate to ascend and descend, a detection end is conveniently isolated from the outside, so that the sealing performance of the detection end is guaranteed, a jacking plate and a second temperature detector are installed in the pressing plate, the stability of the wall is improved, meanwhile, the temperature of the detection end of the wall is detected, and the detection efficiency is improved. According to the wall thermal insulation performance detection device, data comparison between the wall detection end and the heating end is facilitated, so that the wall thermal insulation performance is accurate, and the problem that the wall thermal insulation performance cannot be accurately detected due to the fact that the detection end is exposed in the air in the detection process when the wall is detected through a thermometer is solved.

The invention discloses a video library association method and system based on an AI algorithm. The video library association method comprises the following steps: scheduling at least one algorithm service provider to analyze and compare data resources in a video library; and associating the data resources with at least one common visual feature according to analysis and comparison processing results. According to the video library association method, the data resources in the video library are analyzed and compared based on the AI algorithm, the data resources with the common visual characteristics are automatically associated, a large number of data resources can be conveniently subjected to classified management, retrieval searching, data comparison and other services, and associated display, associated pushing, associated early warning and other services are carried out.

The invention discloses an audiogram display method. Audiogram display method, including: A: input the basic information and examination information of the patient, the examination information includes the left ear and the right ear (auditory threshold, comfort threshold, discomfort threshold, tinnitus examination, bone conduction threshold, Insert the inspection data of hearing threshold and sound field hearing threshold; B: choose to display or output information through the multi-selection filter (Wave Option), and can also output and select the inspection data of the left ear and right ear respectively; C: output selection in one image hearing curve. Use the software to input various inspection data of the left and right ears, and select and control the display status of various hearing curves through the multi-choice filter (Wave Option), and the display of the hearing curve is controlled by and only controlled by the multi-choice filter switch. According to the needs of diagnosis, the corresponding audiometric curve is output, which helps to observe the audiogram in a targeted and clear manner, and assists doctors in more intuitive diagnosis.

The invention discloses hub bearing high-pressure washing sealing performance detection equipment which comprises an operation table, a water storage cavity is formed in the operation table in a hollow mode, a water collecting groove is formed in the end face of the operation table, a supporting plate is arranged on the end face of the operation table and located above an opening of the water collecting groove, and two vertical plates are arranged on the supporting plate. A fixing plate is arranged between the two vertical plates, a containing hole for containing an external to-be-tested bearing is formed in the fixing plate, a fixing piece for stably fixing the external to-be-tested bearing on the fixing plate is arranged on the fixing plate, a high-pressure water gun spray head is arranged on the end face of the operation table, and the output end of the high-pressure water gun spray head faces the containing hole. A water delivery pump used for delivering a water source in the water storage cavity to the high-pressure water gun spray head is further arranged in the operation table. The problem that in the prior art, no detection equipment for detecting the leakage condition of the automobile hub bearing under the impact of high-pressure water flow exists is solved.

The invention relates to the technical field of rail traffic control, in particular to an energy absorption system for a rail vehicle, which comprises a train information acquisition device used for acquiring power supply information of a train when the train is braked, and the power supply information comprises direct current power supply and alternating current power supply; an alternating current and direct current absorption selection device which is used for connecting the energy absorption device to the direct current bus when the direct current power supply is identified; when the AC power supply is identified, the energy absorption device is connected to the two output ends of the three-phase to single-phase transformer; and an energy absorption device which is used for absorbing energy fed back to the direct-current bus or the three-phase-to-single-phase transformer during braking. According to the energy absorption system, the energy of train braking can be fully absorbed, and the temperature rise in the station and the hole is avoided while the stability of the power grid voltage is maintained.

The invention provides a full-link pressure measurement system based on leg running business, which comprises a link log module, an Elasticsearch control module, a pressure measurement program control module and a RabbitMQ, the link log module is provided with the Elasticsearch control module in a unidirectional manner, the Elasticsearch control module is provided with the pressure measurement program control module in a bidirectional manner, the pressure measurement program control module is provided with the RabbitMQ in a bidirectional manner, and the RabbitMQ is provided with the RabbitMQ in a bidirectional manner. The RabbitMQ is distributed to a plurality of nodes for data handover through one-way data, and has the beneficial effects that sample data is analyzed through the arranged sample data analysis module, and analyzed redundant information is cleared through the data clearing module, so that the data handover efficiency is improved, and the data handover efficiency is improved. Meanwhile, the credibility degree range of measured values of measured parameters given by a confidence interval is evaluated and delimited, the capacity of data is calculated, finally, a pressure measurement report module is formed and stored in a storage folder, data comparison and calling are facilitated, a monitoring module is arranged, pressure measurement data are transmitted to the interior of a fault plan deduction module, fault deduction is conducted, and the reliability of the pressure measurement report module is improved. And the fault reason is removed through the result processing operation module.

The invention relates to the technical field of data display, in particular to a housing price gridding display system capable of visually displaying housing price information. The housing price gridding display comprises a gridding module, a housing price obtaining module and a grid rendering module; the gridding module is used for dividing a map into multiple grids; the housing price obtaining module is used for obtaining housing prices of various districts from a server; and the grid rendering module is used for rendering the grids of various districts with different colors according to the housing price information obtained from the server. Furthermore, the housing price obtaining module is used for automatically obtaining the updated housing price information and the grids are re-rendered by the grid rendering module. The invention further discloses a housing price gridding display method.

The invention discloses a method for safety risk analysis of a cryogenic liquid double-layer atmospheric storage tank. The method comprises the following steps: s1, collecting data and establishing a database; s2, performing three-dimensional modeling, namely performing three-dimensional modeling through a three-dimensional simulation server in combination with the acquired data; s3, performing a simulation experiment; s4, carrying out risk assessment on chemicals stored in the double-layer atmospheric storage tank, and carrying out a load simulation experiment in combination with the three-dimensional modeling model; s5, sorting the no-load simulation experiment in the step S3 and the two load simulation experiments in the step S4, transmitting data into a database for independent storage, and feeding back a result to terminal personnel. According to the invention, the safety risk analysis is carried out on the double-layer atmospheric storage tank by adopting the three-dimensional modeling and simulation experiment modes, so that the safety risk analysis and detection are more accurate compared with the existing mode that analysis and management and control are carried out manually according to control plan data of the industry.

The invention discloses a device for simulating the oil-gas-water three-phase fluid variable mass flowing in a complex structural well shaft. The device comprises a simulation well shaft (1), a gas supply device (2) connected with the simulation well shaft (1), an oil supply device (3) and a water supply device. By utilizing the device, the flowing of a single phase fluid, a gas-liquid two-phase fluid, an oil-water two-phase fluid and an oil-gas-water three-phase fluid can be simulated with very wide simulation range, and the obtained experiment data is more accurate and good applicability is realized.

The invention discloses an online fault detection system based on a spindle box of a numerical control gear milling machine and a detection method thereof. The system comprises a mechanical detection module and an oil detection module, and is characterized in that the mechanical detection module comprises multiple vibration sensing modules which are arranged at the positions of an oil outlet and an oil inlet of the spindle box correspondingly, the vibration sensing modules are tightly attached to the box wall of the spindle box, and the connecting lines between the vibration sensing modules on the two sides are parallel to the axis of a spindle; and the oil detection module comprises multiple temperature sensing modules arranged near a driving shaft and a driven shaft correspondingly and multiple flow velocity detection modules arranged at the positions of the oil outlet and the oil inlet of the spindle box correspondingly, and the directions of the multiple flow velocity detection modules are the same and are opposite to the flow direction of oil in the spindle box. According to the system, all positions in the spindle box are comprehensively detected so that the fault position and the fault reason can be quickly positioned, and therefore an efficient fault maintenance mode can be conveniently determined.

The invention discloses a wearable bionic mechanical arm based on the VR technology, and belongs to the field of robot arms. The wearable bionic mechanical arm based on the VR technology comprises a bionic mechanical arm body, the bionic mechanical arm body comprises a connecting arm, and a scene used by the bionic mechanical arm body can be simulated through a VR learning control system; and researchers wear the bionic mechanical arm body and act according to the use manner of the bionic mechanical arm body, action data are collected through a four-finger action sensing film and a thumb action sensing film, the VR learning control system carries out data conversion and simulation on actions, and a control program of the bionic mechanical arm body is effectively output. The development difficulty is effectively reduced, the development efficiency is improved, the learning efficiency of the bionic mechanical arm body is improved, the workload of the researchers is effectively reduced, the scientific research effect is improved, and the authenticity of simulating human actions by the bionic mechanical arm body is improved.