40results about How to "The display results are intuitive" patented technology

The invention relates to a device and method for measuring instantaneous pneumatic pulse permeability of low-permeability rock. The device comprises a confining pressure servo system, a pneumatic servo system and a data acquisition and processing system, wherein the confining pressure servo system can apply 0 to 60MPa of confining pressure to the lateral side of a low-permeability rock sample; the pneumatic servo system consists of an air injection system and an air permeating system; the air injection system can provide 0.1 to 10MPa of high-purity nitrogen; the air permeating system can conduct air permeation tests of two different ranges on a pipeline loop and a steel cylinder loop; and the data acquisition and processing system can real-timely acquire pressure of the rock sample at an inlet and outlet loops, and can be used for drawing a pressure-time curve of the inlet and outlet loops, automatically calculating the permeability of the rock sample, storing and displaying the result. The measurement device provided by the invention can perform permeability measurement tests of rock materials, especially low-permeability rocks, under different confining pressures, has the advantages of simpleness in operation and reliable result, and can display result visually.

A backup path line automatic adjustment device comprises an image acquisition unit, an automobile data acquisition unit, a body information obtaining unit, an electronic control unit and a display unit. The image acquisition unit is used for acquiring image information in four directions all around an automobile; the automobile data acquisition unit is used for acquiring turning information of a steering wheel of the automobile; the body information obtaining unit is connected with the image acquisition unit and used for obtaining body information; the electronic control unit is connected with the image acquisition unit, the automobile data acquisition unit and the body information obtaining unit and used for generating a 360-degree panoramic image having a backup path line; the display unit is connected with the electronic control unit and used for displaying the 360-degree panoramic image having the backup path line. The invention also relates to a backup path line automatic adjustment method. The backup path line automatic adjustment device and the backup path line automatic adjustment method can obtain the body information automatically, are applicable to all automobile models and have higher security when a driver backs up.

The invention belongs to the technical field of the production of lithium ion battery diaphragms, in particular relates to an online real-time monitoring system for monitoring a heat shrinkage rate of a lithium ion battery diaphragm and a method utilizing the same to online monitor the heat shrinkage rate of the battery diaphragm in real time. The system comprises an infrared heating device and a stress testing device successively arranged at a diaphragm stretching forming outlet of a diaphragm production line, wherein the height of a detection opening of each of the infrared heating device and the stress testing device is respectively equal to that of a diaphragm surface of the outlet; and the lithium ion battery diaphragm produced by the diaphragm production line is a PE diaphragm, a PP diaphragm or a PP/PE/PP diaphragm. The online real-time monitoring system for monitoring the heat shrinkage rate of the lithium ion battery diaphragm is relatively high in integration degree, convenient to install, rapid and intuitive in result displaying when the heat shrinkage rate of the lithium ion battery diaphragm is monitored online, capable of overcoming the traditional detection defects such as time and labor waste and convenient for adjusting the quality of the battery diaphragm in time. Therefore, the application prospect in the field of the production of the lithium ion battery diaphragm is relatively good.

The invention discloses a system and a method for testing barycenter of a road roller steel wheel and vibration amplitude uniformity of the road roller steel wheel. The system comprises a steel wheel barycenter testing system, a steel wheel vibration amplitude uniformity testing system, a hydraulic system and a control system, wherein the steel wheel barycenter testing system comprises a leveling oil cylinder, a force transducer, a testing platform, a supporting wheel, a horizontal measuring instrument and an angle sensor; the steel wheel vibration amplitude uniformity testing system comprises a front frame support and an acceleration sensor; and the control system comprises a microprocessor module, an analog/digital (A/D) conversion circuit module and human-computer interaction equipment. The method comprises the following steps: testing the barycenter position of the road roller steel wheel: installing, leveling, acquiring angle and pressure signals, and determining and displaying the barycenter position of the road roller steel wheel; and testing the vibration amplitude uniformity of the road roller steel wheel: fixing, acquiring an acceleration signal, and determining and displaying the vibration amplitude deviation delta of the road roller steel wheel. The system and the method are novel and reasonable in design, convenient and fast in use and operation, high in testing efficiency, high in precision, high in practicability and high in popularization and application value.

The invention relates to a sound source identification and positioning device and especially relates to a portable double-microphone sound source identification and positioning device. The technical problem to be solved is to provide the portable double-microphone sound source identification and positioning device which is simple in structure, small in size, convenient to carry and more visual in display result. The portable double-microphone sound source identification and positioning device comprises a microphone A, a microphone B, a pre-amplifier A, a pre-amplifier B, a support, a signal acquisition module, a sound source identification and positioning module, a storage module and a displayer. The portable double-microphone sound source identification and positioning device solves the defects that an existing sound source identification and positioning device is large in size, and inconvenient to transport and carry; the device is simple in structure, small in size, convenient to carry, capable of identifying sound sources from different directions, small in computation complexity, high in real-time performance, and suitable for being applied to an embedded system; and the device is equipped with a liquid crystal display screen, so that the display results are more visual.

The invention discloses a health risk assessment system based on a bioelectrical impedance technology. The health risk assessment system comprises human body impedance acquisition equipment, risk assessment equipment and visual interaction equipment, wherein the human body impedance acquisition equipment comprises a control module, an electrode module, a current generation module, a voltage detection module, an excitation electrode gating module and a detection electrode gating module; the risk assessment equipment comprises an operation module, a statistical analysis module and an informationstorage database; and the visual interaction equipment comprises an input-output module, a display module, a prompt module, a user authority management module, an interaction module and a function setting module. According to the invention, impedance values of tissues and organs in a regional channel of the human body by adopting the bioelectrical impedance technology, assessment is performed onthe human health by combining the visual interaction equipment which is comprehensive in function according to the independent operation module and the data-rich information storage database, the measurement is noninvasive, the data is accurate and reliable, and the operation is simple and quick.

The invention discloses a virtual evaluation method for secondary smoke characteristic of a solid propellant based on a plume field. The method disclosed by the invention comprises the following steps of: I, setting and storing an initial parameter; II, calculating an energy characteristic parameter; III, calculating an engine plume field; and IV, calculating a secondary smoke characteristic value, invoking a pre-established secondary smoke relative humidity calculation model via a data processor, and calculating and acquiring secondary smoke relative humidity RHamb at each position on a spraying tube axis in the engine plume field after combusting the evaluated solid propellant by combining a calculation result of the engine plume field acquired in the step III. The method disclosed by the invention is simple in steps, reasonable in design, convenient to realize and good in using effect and can effectively overcome the defects of large investment of manpower and material resources, long period, great test amount and the like when the smoke signal performance of the solid propellant in the prior art is evaluated.

The invention discloses a solid propellant smog characteristic virtual evaluation method based on a plume field. The method includes the steps of (1) setting and storing an original parameter, (2) calculating an energy characteristic parameter, (3) calculating the plume field of an engine, (4) calculating a first-time-smog feature value, calling a calculation model of a first-time-smog shielding rate and by reference to the calculation result of the plume field, calculating first-time-smog shielding rates k at all positions of a spray pipe axis in the plume field of the engine after an evaluated solid propellant is combusted, and (5) calculating a second-time-smog feature value, calling a calculation model of relative humidity of second-time-smog, and by reference to the calculation result of the plume field, calculating the relative humidity RHamb of the second-time-smog at all positions of the spray pipe axis in the plume filed of the engine after the evaluated solid propellant is combusted. The method is simple in step, reasonable in design, convenient to achieve, good in use effect, and capable of effectively overcoming the defects that when existing solid propellant smog signal performance is evaluated, labor and material investment is large, the cycle is long and a large number of tests need to be conducted.