170results about How to "Achieve life" patented technology

The invention belongs to the technical field of machine tools and particularly relates to an RFID (Radio Frequency Identification Device) technology-based dynamic tool management method of a Siemens 840D numerical control system. Through research on an RFID automatic identification technology and integration with a numerical control system, a tool in a machining center is automatically identified. An RFID reader-writer selected by the invention is a BIS-C-600 type reader-writer produced by Germany BALLUFF company, an automatic tool identification technology is integrated in a numerical control system, tool information is automatically identified and tool key data is read and input to the numerical control system of the machining center, and thus the accuracy and efficiency of tool information entry are effectively improved; and life monitoring data in the numerical control system is written an RFID chip, thus a tool which is discarded or approaches the life limit is effectively prevented from being misused, and the risks that the machining quality of products is reduced and even the production safety accidents are caused are avoided. The firm foundation is laid for further realizing the tool network-based management of the whole workshop.

The invention discloses an unsupervised model parameter migration rolling bearing life prediction method, and belongs to the technical field of rolling bearing state identification and residual life prediction. The method is provided for solving the problems that in practice, rolling bearing labeled vibration data under a certain working condition is difficult to obtain, health indexes are difficult to construct, and the service life prediction error is large. The method comprises the steps that firstly, extracting root-mean-square features from rolling bearing full-life-cycle vibration data,and introducing a new bottom-to-top time sequence segmentation algorithm to segment a feature sequence into three states composed of a normal period, a degradation period and a recession period; marking the state information of an amplitude sequence of the vibration signal subjected to fast Fourier transform, taking the amplitude sequence as an input of an improved full convolutional neural network, extracting deep features, and constructing a source-domain model and a state recognition model subjected to fine adjustment through training to realize rolling bearing multi-state recognition; andestablishing a rolling bearing life prediction model by using a state probability estimation method. Experiments prove that the method provided by the invention does not need to construct health indexes, can realize rolling bearing state identification and life prediction under different working conditions under an unsupervised condition, and obtains a better effect.

The invention discloses a robot joint reducer test bed. The robot joint reducer test bed is characterized by comprising a driving motor, a measured robot joint reducer, a loader, an output tray, a torsion spring, a turntable device, an angle sensor and a control system, the turntable device applies an initial turning angle on the torsion spring, the output tray applies torque to the measured reducer, the driving motor drives the measured reducer to rotate, the loader applies radial force on the measured reducer, and input and output test parameters of the measured reducer are respectively acquired by the aid of a sensor and the angle sensor. Real working conditions of the robot joint reducer can be simulated, experimental reliability is increased, energy consumption is reduced, and automatic control performance is improved.

An electro-optical device includes a first substrate, a second substrate and a liquid crystal, and has a display region and a peripheral region. The peripheral region of the first substrate has a peripheral electrode and a first orientation film covering the peripheral electrode. Then, since the density of first orientation film in the display region is different from the density of the first orientation film in the peripheral region, it is possible to efficiently capture ionic impurities present in the liquid crystal.

The invention relates to a method for evaluating a service life of a metallic structure of an offshore platform crane. The method comprises: a computer uses a wireless dynamic strain acquisition module to obtain strain time course data collected by a strain gauge arranged at a weak part of a metallic structure of a crane within fixed time; and the computer processes the strain time course data according to a rain-flow counting method, calculates a cumulative fatigue damage D of a component, and calculates a fatigue service life T of the component based on the cumulative fatigue damage D. Using the method provided by the invention, wireless strain monitoring and residual life evaluation on the metallic structure of the offshore platform crane can be realized remotely and wirelessly. On the basis of the service life evaluation result of the component, a corresponding service life prolong plan can be formulated before the fatigue damage of the component, so that the offshore platform crane can work normally and unnecessary losses can be reduced.

The invention provides a method for rut maintaining and paving of a municipal road. The method comprises the following steps: (1) milling an asphalt surface layer; (2) spreading a modified emulsified asphalt bonding layer; (3) paving an emulsified asphalt cold-recycling mixture lower surface layer; (4) paving a high-elasticity rubber asphalt stress absorption layer; and (5) paving a cement-asphalt pouring type composite pavement surface layer. The combined paving layer obtained through the method has an excellent anti-rutting property and can sufficiently utilize a milled waste asphalt mixture; the integral structure has the characteristics of high rutting resistance, skid resistance, abrasion resistance, long life and low carbon.

The invention discloses a reinforced alloy material; and a surface layer of the alloy material contains such elements as aluminum oxide, silicon dioxide and nanometer graphene. The alloy material is deeply extended on the basis of anodic oxidation, microarc oxidation and multi-component composite oxidation, and is a result under a complex effect of instant high temperature, multi-component composite oxidation liquid and nanometer penetrant through applying positive and negative high voltage, high current and positive and negative pulses by using unique structures, physical and chemical characteristics as ultrahigh hardness and high-temperature resistance, small size effects and surface and interface effects of such nanometer materials as nanometer graphene and nanometer silicon dioxide. The method comprises the steps of: (1) surface cleaning; (2) oxidation; and (3) penetration. The light alloy material after surface reinforcement by the method, in particular a combustion chamber of an internal combustion engine with fuel combustion consumption and generating a pollution source is prominent in reflection thermal insulation anti-carbon self catalysis function, and is higher in high-temperature erosion resistance and wear resistance.

The invention discloses a method for analyzing and estimating the precision of an inertial device based on the vibration performance. The method comprises the steps of acquiring full-spectrum information transmitted by vibration energy through a vibration source existing in the inertial device during working by analyzing the vibration performance of the vibration source and detecting the frequency spectrum, observing a coupling relation of all constituents in the inertial device according to the structural modes of all the constituents in the inertial device, and accurately calculating the constitution performance of the inertial device. The method is intuitive in characterization, easy to operate and high in detection precision; the precise service life estimation of the inertial device is effectively realized. The method is suitable for the precision estimation of any systems containing vibration excitation.

A light source device includes a light source section that emits laser beam, a member reducing light quantity unevenness of the laser beam, a diffusion member that is provided in a traveling optical path of the laser beam between the light source section and the member reducing light quantity unevenness and diffuses the laser beam, a detection element that detects a physical characteristic of the diffusion member and outputs a state detecting signal, and an abnormal state determiner that determines an abnormal state of the diffusion member based on the state detecting signal.

The invention discloses a double-layer jacketed high-temperature fused salt storage tank. The double-layer jacketed high-temperature fused salt storage tank comprises a tank body, a tank top and a tank bottom, the tank body comprises an inner tank body and an outer tank body, a jacketed space is formed between the inner tank body and the outer tank body, a heat preservation layer is arranged on the inner side, in the jacketed space, of the outer tank body, and an air layer is reserved between the heat preservation layer and the inner tank body. A double-layer structure is adopted for the tank body, and a combined type heat preservation structure is formed by the heat preservation layer and the air layer, so that high temperature is prevented from affecting the outer tank body, the inner tank body is enabled to expand freely without being limited by the heat preservation layer, heat preservation materials of the tank top, a tank wall and the tank bottom are mounted in an outer steel shell, influences on performance of the heat preservation materials caused by the fact that exiting external heat preservation materials are arranged externally are avoided, and service lives of the heat preservation materials are prolonged.

The invention discloses a compound thermal insulation plate for thermal insulation of a wall body and a manufacturing method and a using method thereof, which is characterized in that the compound thermal insulation plate consists of a panel, a thermal insulation body, a combined fixed sleeve, a positioning expansion sleeve, a bolt, a T-shaped connecting strip, a T-shaped connecting plate, a rotation angle connecting plate and a blind rivet; the compound thermal insulation plate can be prepared in advance or combined and installed on the field; when in use, the compound thermal insulation plate can be fixed on an exterior wall of a building through the positioning expansion sleeve and the bolt, and the compound thermal insulation plate and the exterior wall of the building can form a smooth and stable whole under the action of the combined fixed sleeve, the positioning expansion sleeve, the bolt and other connecting parts. The compound thermal insulation plate can not only lead the material for the thermal insulation of the wall body to obtain permanent envelope, but also improve the fire-protection rating, meet the requirements of decorative surfaces of different exterior walls, shorten the construction cycle and reduce the engineering cost.

The invention relates to a multi-parameter joint diagnosis method for typical faults of an asynchronous motor. The method comprises the following steps of firstly, acquiring temperature, current waveform data, vibration speed data and current data of the asynchronous motor under a load during normal operation at intervals after a system is started and operates stably, acquiringdata of a time axisenvelope line according to the data to serve as judgment parameters for normal operation of the asynchronous motor, takingthe ratio of two groups of amplitude average values before and after online monitoring operation as a fault judgment parameter of the vibration signal,wherein the ratio of the maximum value of the current amplitude envelope data to the rated current value input by the motor isused as a judgment parameter of the current time domain fault, and the maximum value of the frequency band variation of the current data spectrum result and the current amplitude average value is weighted and averaged to be used as a fault diagnosis parameter under the motor current spectrum,and finally, continuously acquiring temperature, current waveform data, vibration speed data and current data of the asynchronous motor during operation, and realizing comprehensive evaluation of operation parameters, operation states and service life conditions.

The invention provides inorganic mineral sand putty, which consists of the following ingredients in parts by weight: 15 to 40 parts of silicate cement and 1 to 20 parts of attapulgite. In another scheme, the inorganic mineral sand putty comprises the following ingredients in parts by weight: 15 to 40 parts of silicate cement, 1 to 20 parts of attapulgite and 0 to 345 parts of padding. The inorganic mineral sand putty provided by the invention has the advantages that the decoration performance is realized, in addition, the construction performance is good, the construction procedures can be greatly simplified, the construction efficiency is improved, and the construction cost is reduced.

The invention discloses a transformer substation grounding grid digital management system. The system comprises a transformer substation information management system. The system comprises five subsystems, namely a grounding grid information management system, a detection personnel information management system, a grounding grid corrosion diagnosis system and a historical monitoring information management system, the subsystems are all connected with a remote database server, an appointed page is accessed through a browser to upload measurement data, and rapid calculation of corrosion diagnosis is completed through a remote calculation server; Through combination of a client and a server, a user can carry out transformer substation operation. information management of a grounding grid anddetection personnel; Corrosion diagnosis and historical data analysis of the grounding grid are achieved, finally informatization management, digital management and visual management of the transformer substation and the grounding grid are achieved, the operation state of the grounding grid is comprehensively mastered, continuous tracking and prediction of the corrosion state of the grounding gridare achieved, and critical data support and decision basis are provided for life prediction of the grounding grid.

The invention discloses an electrical component reliability evaluation and service life prediction method. The method comprises the following steps of: (1) respectively carrying out an operation environment exposure test and an accelerated corrosion test on a standard material sample of a contact material of an electrical component, establishing good correlation of the two environment tests, and seeking a corresponding relationship between test time of the two environment tests; and (2) performing the accelerated corrosion test in the step (1) on the electrical component, obtaining the corresponding accelerated corrosion failure time according to the failure criterion of the key electrical performance parameters, and obtaining the failure time of the electrical component in the actual operation environment according to the corresponding relationship between the test time of the two environment tests in the step (1). According to the invention, the correlation between the accelerated corrosion test and the operation environment exposure test of the electrical component is verified firstly, and then the accelerated corrosion test with good correlation is selected to carry out reliability evaluation and life prediction on the electrical component, so that the accuracy of reliability evaluation and life prediction is improved while the test period is effectively shortened.

The invention belongs to the technical field of chemical substance detection and relates to a differential confocal discrete fluorescence spectrum and fluorescence lifetime detection method and device. The basic thought is that a differential confocal object surface positioning technology with a precision axial resolution ratio and a discrete fluorescence spectrum and fluorescence lifetime measurement technology are fused; high-precision measurement of a three-dimensional shape of the surface of a sample to be detected is solved by utilizing a differential confocal technology; meanwhile, high-sensitivity detection of a fluorescence spectrum and fluorescence lifetime of each point on the surface of the sample to be detected is solved by utilizing the discrete fluorescence spectrum and fluorescence lifetime measurement technology, so that three-dimensional high-resolution space substance component distribution information is obtained. According to the differential confocal discrete fluorescence spectrum and fluorescence lifetime detection method and device, a differential confocal measurement technology and a fluorescence substance component detection technology are fused for the first time; a fluorescence imaging system has the same transverse resolution ratio on each position of the surface of the sample to be detected; finally, measured fluorescence spectrum distribution accurately corresponds to the three-dimensional shape. The technology provided by the invention has a wide application prospect in the fields of biological science, medical science, material science and clinical medical diagnosis.

The object of the invention is to minimize the number of the centrifugal hammers of the belt-type continuously variable centrifugal clutch used for automatic two-wheel vehicle and so on. The centrifugal clutch of the invention is equipped with no more than three centrifugal hammers 5 which are installed at the peripheral portion of a substantially round clutch plate 2 by support pins 3 thereby being able to freely swing and which transfers the rotation to a clutch housing 1; and a side plate 6 which forms through holes 6a for being completely inserted by the terminal part of the support pins 3 and which is set above the centrifugal hammers 5 in the manner of covering the centrifugal hammers 5. The terminal part of the support pins 3 insert through the through holes 6a of the side plate 6 to be fixed.

The invention relates to the technical field of aero-engines, in particular to a ceramic-based composite turbine outer ring high-temperature sealing coating and a preparation process thereof. The ceramic-based composite turbine outer ring high-temperature sealing coating comprises a bonding layer, a transition layer and a wearing layer coating from inside to outside in sequence. The bonding layercomprises SiC. The transition layer comprises Yb2SiO5. The wearing layer coating comprises ZrO2.Y2O3Polyester. The coating provided by the invention is a composite coating capable of being matched with a SiC / SiC ceramic-based composite and has the advantages of 1200-DEG C wear consumption sealing and heat insulation. The problems that mechanical damage caused by mutual friction between SiC / SiC ceramic-based composite turbine components, and high-temperature oxidation, structure degradation and other damages to a ceramic-based composite can be solved. The plasma technology has the advantages ofhigh-energy density, high production efficiency, low cost, little equipment investment and the like and belongs to the optimal process for preparing high-temperature-resistant ceramic coating materials.

The invention discloses an automobile battery capacity prediction method, an automobile battery life prediction method, an automobile battery life prediction device and a storage medium. The method comprises the following steps: acquiring historical operation data sent to a remote monitoring platform by a to-be-detected vehicle; performing purpose classification on the to-be-detected vehicle based on the historical operation data; obtaining a battery capacity theoretical value of the to-be-detected vehicle based on an ampere-hour integral method; and inputting the battery capacity theoretical value of the to-be-detected vehicle into a pre-trained battery capacity estimation model corresponding to the purpose classification of the to-be-detected vehicle to obtain a battery capacity predicted value. According to the scheme, under the condition of a small amount of electric vehicle battery experiment data, the battery capacities of the electric vehicles in the market can be predicted according to the purposes based on the new energy remote monitoring data, the cost is saved, and the prediction precision is improved.

The invention discloses a gold nano-rod / polyethylene glycol / carbon dot nano-hybrid imaging contrast material which comprises polyethylene glycol, a gold nano-rod and a carbon dot. The gold nano-rod is connected to one end of the polyethylene glycol, the carbon dot is connected to the other end of the polyethylene glycol, the gold nano-rod is connected with the polyethylene glycol through a gold-sulfur coordination bond, and the carbon dot is connected with the polyethylene glycol through an amido bond. A preparation method of the gold nano-rod / polyethylene glycol / carbon dot nano-hybrid imaging contrast material is simple and controllable, and the unique optical property of the gold nano-rod is kept while water solubility of the gold nano-rod is enhanced. Besides, the material has the surface plasma resonance property of the gold nano-rod and the fluorescent property of the carbon dot. Diffuse reflection imaging can be realized by the aid of excellent optical reflection and scattering properties of the gold nano-rod, and fluorescent lifetime imaging is realized by the aid of the carbon dot, so that multi-modal imaging is realized.

The invention relates to a light-emitting diode (LED) street lamp energy-saving automatic control method and device. The device comprises a power supply, an automatic control circuit and an LED light source, wherein the power supply is a flyback power supply containing an AC protection circuit, a common-mode rejection circuit, a rectifier filtering circuit and a constant pressure constant currentcircuit which are connected successively; the automatic control circuit comprises a clock circuit, a SCM circuit and a switch circuit which are connected successively; and the LED light source comprises an LED light source 1 and an LED light source 2 which are arranged in a chip in parallel, the cathode is directly connected with the negative electrode of the power supply, the anode is connected with the automatic control circuit; and the automatic control circuit periodically and automatically connects the positive electrode of the power supply with the anodes of the LED light source 1 and the LED light source 2 according to the illumination brightness demands of streets to ensure that the two LED light sources work at the same time, or periodically, automatically and separately connectsthe positive electrode of the power supply with the anode of the LED light source 1 or the LED light source 2 to ensure that the LED light source 1 or the LED light source 2 works. The invention solves the problems of saving the energy and prolonging the service life of the LED street lamp, and has the obvious advantages of simple structure, good illumination quality for streets and no illumination dark space.

The invention relates to a fire prevention, thermal insulation and decoration integrated board and a making method thereof. The fire prevention, thermal insulation and decoration integrated board comprises an insulating layer and a decorating layer. The insulating layer is made from glass beads, cement, rubber powder, cellulose and polypropylene fibers. The decorating layer is made from mullite, cement, glass beads, rubber powder, cellulose, pigments and water-proofing agents. According to the fire prevention, thermal insulation and decoration integrated board, the mullite is used for making the fireproof decorating layer, and the incombustible material glass beads are adopted for the insulating layer at the same time, so that two fireproof lines are provided, and the fireproofing grade reaches grade A. Meanwhile, compared with existing fire prevention, thermal insulation and decoration integrated boards, the fire prevention, thermal insulation and decoration integrated board is simple in production process, relatively low in manufacture cost and quick and convenient to construct.

The invention provides a testing platform suitable for a relay protection device. The testing platform comprises a protection device region, a testing equipment region and a signal switching control device, wherein the protection device region is used for installing at least one relay protection device to be tested; the testing equipment region is used for installing automatic testing equipment and dynamic simulation equipment and used for being connected with the protection devices; the signal switching control device comprises an air plug connector and an air plug controller connected with the air plug connector, and the air plug connector is used for being connected with all the relay protection devices to be tested. The testing platform is capable of simulating the operation environment of a 110 kv transformer substation system and realizing multifunctional system testing of the relay protection devices, has the advantages of being flexible, reconfigurable, capable of being controlled remotely, easy to operate, movable and small in occupied space and realizes multifunctional system testing and service life testing of the protection devices.

The invention discloses a self-charging type all-dimensional inspection robot for a sealing-tape machine. The self-charging type all-dimensional inspection robot comprises a frame, a walking device, a self-charging device and a detection control system. The walking device is mounted on the frame and drives the self-charging type all-dimensional inspection robot for the sealing-tape machine to walk in the sealing-tape machine; the self-charging device is fixed on the frame and provides electric energy for the inspection robot; the detection control system is used for controlling the action of the walking device and detecting the state of each part of the sealing-tape machine; the self-charging type all-dimensional inspection robot for the sealing-tape machine is arranged in the sealing-tape machine, and comprehensive inspection of state detection of all parts of the sealing-tape machine is achieved.

The invention relates to a system for life evaluation and forecasting by repeatedly using a carrier and a method for life evaluation and forecasting by repeatedly using the carrier, and belongs to thetechnical field of spacecraft maintenance and guarantee. Specific to the problem of repeat use of the carrier through many complex severe environments, sensors distributed on the carrier are mainly used for collecting data of an aircraft component in real time; a weighting and dimensionality-reduction algorithm is applied to perform weighting and dimensionality-reduction on part component data required to be monitored, thus the index quantification difficulty of life evaluation and forecasting is solved; on this basis, the residual life of the part component is matched by combining with the inherent property data of the product and others; the sensor data updated in real time can update the fitted residual life curve, thus the forecasting result is more exact and reliable.

A multi-channel detecting system for detecting the optical performance of an LED chip is characterized in that the system comprises a PCB, a sample table, a plurality of electrodes, a connecting plug, an electrical detecting unit, an optical detecting unit and a point connecting device; the sample table is arranged at the center of the PCB and is used for mounting the LED chip; the electrodes are arranged around the PCB; the connecting plug is electrically connected with the electrodes; the electrical detecting unit comprises a voltage meter, a current source, a switch matrix and an output plug, the voltage meter and the current source are electrically connected with the output plug through the switch matrix, and the switch matrix converts the electrical connection of all pins in the output plug; the point connecting device comprises a spot-welder and a metal wire, and the spot-welder is used for enabling the two ends of the metal wire to be connected with the electrodes and the LED chip respectively. The multi-channel detecting system is used for directly detecting the LED chip.

The invention discloses an IGBT module life monitoring method. The IGBT module life monitoring method is characterized by comprising the following steps of: performing off-line calibration on a sampleof the IGBT module to obtain a calibrated sample; performing data analysis on the calibrated sample to obtain reference data and determine a preset deviation value; detecting the IGBT module before the operation of the IGBT module, and obtaining detection data; and comparing the detection data with the reference data, and determining whether a deviation value between the detection data and the reference data is greater than the preset deviation value, and if so, it is judged that the life of the IGBT module is about to end. By means of the IGBT module life monitoring method disclosed by the invention, the monitoring on the life of the IGBT module and a life ending warning can be realized by using a simple and efficient detection method; the IGBT module life monitoring method fully considers the module differences through calibration and statistics; and the IGBT module life monitoring method performs detection under a low voltage, and considers the influence of different junction temperatures, which greatly improves the safety and accuracy of life monitoring.

The invention discloses a cable tunnel comprehensive state evaluation method based on an operation and maintenance system. The method comprises the following steps of dividing cable tunnel operation state evaluation factors into quantitative evaluation factors and qualitative evaluation factors; evaluating the operation state of the cable tunnel based on the quantitative evaluation factor and thequalitative evaluation factor; by dynamic weight adjustment method based on a perceptron. through real data training, dividing into dynamic matching quantitative evaluation factor weight and qualitative evaluation factor weight, solving a cable tunnel comprehensive state evaluation result on the basis of a cable tunnel comprehensive state qualitative factor evaluation result, a cable tunnel comprehensive state quantitative factor evaluation result and a quantitative and qualitative evaluation factor weight matrix. Monitoring acquisition data (quantitative evaluation factors) and operation andmaintenance data (qualitative evaluation factors) are combined, and state holographic perception and full-life management of the cable tunnel are achieved.

The present invention provides an elevator door device, which has: an elevator door including a first door and a second door; a first door driving device and a second door driving device respectively having a first rotating shaft and a second rotating shaft; The first power transmission mechanism that moves the first door by the rotation of the first rotation shaft; the second power transmission mechanism that moves the second door by the rotation of the second rotation shaft; the signal that generates a signal corresponding to the rotation of the first rotation shaft a position detector; and a door control device for controlling the second door driver so that the rotation of the second rotation shaft follows the rotation of the first rotation shaft based on the information from the position detector. Thereby, the moving speeds of the first door and the second door can be synchronized based on information from one position detector.