45results about How to "Improve the detection environment" patented technology

The invention discloses a VR technology-based visual chart projection method and a visual chart projector for VR eyeglasses and belongs to the technical field of optometry. The visual chart projection method comprises the steps of (a) building a universal international visual chart library in a VR system; (2) building a function relation between each visual chart and the distance projected to a VR display screen, and projecting the visual charts on the VR display screen in a form of a slide; (c) numbering various visual charts in the VR system, and marking and controlling the visual chart play state and playback speed; (d) building a plurality of feedback options for each visual chart in a form of a weighted choice question; (e) further making weighted statistic analysis according to the choice of a user in the step (d), and finally balancing the integrated test vision of the user in an overall scoring form; and (f) outputting and storing a detection report. The method is simple, feasible, reliable and stable, and the visual chart projector is lightweight, convenient, low in cost and convenient to carry.

The invention provides an automatic crude oil component separating device, which can achieve the functions of automatically injecting different solvents, separating automatically, receiving samples automatically and the like. The automatic crude oil component separating device comprises a control device and at least one separating module, wherein each separating module comprises a sample charge device, a separating device and a collecting device; the control device is connected with the sample charge device, the separating device and the collecting device in a communication mode; the sample charge device comprises a pump mechanism, a solvent pipeline and a sample pipeline; the solvent pipeline and the sample pipeline are individual with each other; the separating device comprises a multi-way channel selective circulation valve and a chromatographic column which is connected with the solvent pipeline and the sample pipeline by the multi-way channel selective circulation valve; the collecting device comprises a collector.

A test method for the ability of a dressing to transmit water vapor. The dressing container is a wound model for the ability of the dressing to transmit water vapor. The wound model for the ability of the dressing to transmit water vapor has a transparent shell. Groove, sponge groove and through hole, groove, sponge groove and through hole are communicated, through hole communicates with the liquid storage chamber of transparent shell, cover side wall is opened into pinhole, enters pinhole and sponge groove communicates. The design of the wound model through the ability of the dressing to transmit water vapor can test the quality of the dressing to absorb liquid at the same time, so that the correct selection of the liquid control of different dressings can be made in medicine.

The invention discloses an observation station for installing a strong motion instrument. The observation station for installing the strong motion instrument comprises a storage platform made of concrete, wherein the top face of the storage platform is used to install the strong motion instrument, and fixing pieces used to fix the storage platform on the ground are arranged at the bottom of the storage platform. The observation station for installing the strong motion instrument further comprises a waterproof chamber made of concrete and used to contain the storage platform, wherein an insulation space used to insulate shock is arranged between the storage platform and the waterproof chamber, the top of the waterproof chamber is provided with an observation window, an installation channel is formed in the bottom of the waterproof chamber, the storage platform passes through the installation channel and then is fixedly connected with the ground, and a shock insulation pad used to seal the installation channel is arranged between the side wall of the storage platform and the inner wall of the waterproof chamber. The observation station for installing the strong motion instrument has the advantages of being small in size, simple in structure, low in cost and good in water prevention and shock insulation effect, provides good monitoring environment for the strong motion instrument, and improves use life and monitoring accuracy of the strong motion instrument.

The intelligent supervision and detection equipment for fire emergency lights includes a base body and a sealing buckle cover. A plurality of closing teeth are arranged at equal intervals on both sides of the base body and on both sides of the bottom of the sealing buckle cover. A dark sealing detection space is formed between the buckle covers; the base body is connected with the sealing buckle cover through a plurality of linear push rods, and the linear push rods are used to drive the sealing buckle cover to rise and fall; The two ends of the sealing buckle cover are respectively provided with limit arcs matched with the limit slots; proximity switches are respectively inclined on the bases on both sides of the limit slots, and the proximity switches are used to detect the position parameters of the limit arcs; A multi-deformation through hole is arranged at the bottom of the base body, and the through hole is used to place a fire emergency lamp to be detected or a self-generated light storage indicator sticker; a controller is arranged in the base body, and the controller is connected with a temperature through an AD converter. Sensors and Light Meters.

The invention discloses a special liftable fin system for a scientific research ship. The special liftable fin system for the scientific research ship comprises a vertical shaft which is formed to vertically extend into a cabin along a hull bottom; a lifting fin used for carrying a detection instrument is arranged within the vertical shaft; guide rail mechanisms used for assisting the lifting finto lift in a sliding manner are respectively arranged at the two end parts of the lifting fin; the guide rail mechanisms are vertically laid on the shaft wall in the forming direction of the verticalshaft; a driving mechanism used for driving the lifting fin to descend for detection or to rise for recovery is arranged on the shaft wall of the vertical shaft; and the special liftable fin system for the scientific research ship further comprises a buffering mechanism used for reducing an impact force at the connecting part of the driving mechanism and the lifting fin when the driving mechanismdrives the lifting fin to descend to a preset position in the water to detect. The buffering mechanism more conveniently connects an oil cylinder with the lifting fin and can effectively relieve the continuous impact forces of water flow resistance on the oil cylinder and the lifting fin during the navigation of the ship while descending into the water to implement detecting works.

The invention discloses a multifunctional testing cabin system and a testing method thereof for green decoration. The testing cabin system includes a testing cabin, a control box detachably connected to one side of the testing cabin, and a control box connected to the lower part of the testing cabin respectively. Universal wheels; the gas collection device is detachably connected to the opposite side of the detection cabin connected to the control box; the detection cabin, control cabinet and gas collection device of the present invention can be detachably connected, which is convenient for on-site mobile assembly, replacement and recycling ;Through the setting of different positions of the detection cabinet, and the setting of various environmental indicators in the detection cabinet and the corresponding sensors and devices of the detection indicators, the detection and monitoring environment can be optimized, and the detection accuracy can be improved; and through the setting of the air valve on the detection cabinet, it can be Carry out real-time or staged air monitoring; through the setting of the gas collection device, it is beneficial to collect the toxic and harmful gases generated during the measurement, so that it will not enter the outdoor air again, and ensure the good air quality on site.

The invention discloses a scientific research ship with a lifting fin plate system. The ship comprises a ship body, a vertical well is arranged vertically extending to a cabin along a ship bottom in the ship body, and a lifting fin plate used for carrying a detecting instrument is arranged in the vertical well; the two end portions of the lifting fin plate are respectively provided with guide railmechanisms used for helping the lifting fin plate slide and lift, the guide rail mechanisms are vertically laid on the well wall along the arranged direction of the vertical well, and a driving mechanism is arranged on the well wall used for driving the lifting fin plate to descend for detection or to rise and receive ; the scientific research ship further comprises a buffer mechanism used for reducing the impact force generated from a junction of the driving mechanism and the lifting fin plate, when the driving mechanism drives the lifting fin plate to descend at a preset position in water.Due to the buffer mechanism, an oil cylinder is more conveniently connected with the lifting fin plate, when driving the lifting fin plate to descend under water to perform detection, the buffer mechanism can effectively relieve the continuous impact force generated from the water flow resistance to the oil cylinder and the lifting fin plate, when the ship sails.

The invention provides an apparatus for on-line detection of particle properties during fluidized-bed granulation. The apparatus comprises a hermetic shell, a sample acquisition mechanism, a first visual inspection unit, a second visual inspection unit and an image processing system, wherein the first visual inspection unit comprises a first camera, a circular tray and a pressure transducer; the image processing system acquires the particle size information of particles from a falling image of a sample and acquires the angle alpha of repose from an image of a sample accumulation; the second visual inspection unit comprises a measuring cylinder, a measuring-cylinder fixing plate, a light source, a vibrating table and a second camera; and the image processing system acquires the apparent density rho of the particles from the image of the sample in the measuring cylinder before starting of the vibrating table and acquires the tap density rho<t> of the particles from the image of the sample in the measuring cylinder during vibration of the vibrating table. The apparatus provided by the invention can realize on-line detection of the particle size distribution, repose angle, apparentdensity, tap density, porosity and Hausner ratio of the particles during fluidized-bed granulation.