32results about How to "Avoid affecting the measurement" patented technology

For acquiring two-dimensional images and three-dimensional morphology data required for visual inspection of tracks, the invention discloses a compact track two-dimensional and three-dimensional imaging system. The system consists of a sheet light generator, a linear array imaging unit, a 3D imaging unit, a supporting device and a shell, wherein the sheet light generator generates two beams of sheet light by splicing a plurality of light sources, and provides illumination for the linear array imaging unit and the 3D imaging unit. The linear array imaging unit and the 3D imaging unit perform linear array scanning imaging and three-dimensional scanning in a longitudinal direction of a track to acquire a two-dimensional image and three-dimensional morphology data of the surface of the track.Further, the linear array imaging unit and the sheet light generator are integrated, and the length of the 3D imaging unit is reduced by adopting a light path folding method, so that the length of theimaging system in the track direction is reduced, and the compact track two-dimensional and three-dimensional imaging system is provided.

The invention relates to an improved test device for testing an oxidizing solid. The improved test device is provided with a test system and a measurement system and is characterized in that the test system and the measurement system are positioned at two ends of a lever system and are connected with each other through the lever system; the test system comprises a bracket A, a limiting block, a tray A, a heat isolation plate, a wiring post and a resistance wire; the lever system comprises a lever, a wire A, a wire B, an electric brush, a current collection ring, a bracket B and a power supply; the measurement system comprises a balance weight, a tray B, a level adjuster and a balancer. Compared with the prior art, the improved test device disclosed by the invention has the advantages that the test system can be separated from the measurement system, the measurement precision is improved according to an equal arm lever principle, and damage of heat and dust on the balancer during combustion can be eliminated.

The invention relates to a check ring test tool which comprises a front limiting plate and a rear limiting plate, wherein the front limiting plate and the rear limiting plate are used for being matched with the two axial sides of a check ring, the front limiting plate and the rear limiting plate are arranged in a front-back spaced mode by means of corresponding front and back limiting structures, and a check ring insertion groove allowing the check ring to be inserted is formed between the front limiting plate and the rear limiting plate. At least one of the front limiting plate and the rear limiting plate is provided with a test tool opening which allows a test tool body to be inserted into the check ring insertion groove in the longitudinal direction to clamp or loosen the corresponding check ring. When a check ring test is carried out, the check ring is inserted into the check ring insertion groove in the vertical direction, the test tool is inserted into the check ring insertion groove from the test tool opening, and accordingly the check ring can be clamped or loosened. Meanwhile, the front limiting plate and the rear limiting plate can carry out limiting on the two axial sides of the check ring to prevent the check ring from having large axial deformation and prevent measurement of the radial size of the check ring from being influenced, so that reliability of a check ring test result is improved, and the probability that the check ring breaks during the test is lowered.

The invention relates to the technical field of land measurement, in particular to measurement equipment for land expropriation and a using method thereof. The measurement equipment comprises a supporting plate and an adjusting module, wherein the top surface of the supporting plate is fixedly connected with a placement module, a connecting plate is arranged at the top of the supporting plate, fixing blocks fixedly connected with the supporting plate are arranged at the four corners of the bottom surface of the connecting plate at fixed distances, and a first measuring tape module and a second measuring tape module which are the same in structure are arranged on the two adjacent sides of the top of the supporting plate respectively. According to the invention, the side surface of a sleeve rod is fixedly sleeved with a first bevel gear, and the sleeve rod can be rotated to enable the first bevel gear to be in transmission connection with the second measuring tape module, so that when the measurement equipment continues to move through turning, a supporting wheel can enable the second measuring tape module to wind the measuring tape through the first bevel gear, and the first measuring tape module releases the measuring tape for measurement. The measurement equipment can stay for a short time at the corner, and the measurement of a mu measuring instrument is not affected, so that the measurement in two modes can be carried out simultaneously, the time is saved, and the use is convenient.

The invention discloses a dynamic bladder pressure measurement method and system, and relates to the field of medical device monitoring. The pressure measurement system comprises a base, a first guiderod, a heating box and a disinfection box, wherein the first guide rod is slicably provided with an adjusting rod, the top of the adjusting rod is provided with a top plate, and the bottom of the topplate is connected with infusion apparatus; the bottom of the infusion apparatus is provided with an infusion pipe, the heating box is arranged beside the infusion apparatus so as to heat normal saline in the infusion pipe, and the other side on the bottom of the top plate is fixedly provided with a graduated scale and a transparent sleeve with which a pressure measurement pipe is sleeved; a dual-cavity urinary catheter penetrates into the disinfection box, the Y-shaped ends of the dual-cavity urinary catheter are communicated with the infusion pipe and the pressure measurement pipe respectively, the infusion pipe penetrates into the top of the pressure measurement pipe, and the infusion pipe is fixed to a top cover of the disinfection box. During measurement, the height of a water columnin the pressure measurement pipe can be observed, data is obtained according to the graduated scale nearby the pressure measurement pipe, and the data is the pressure value in the bladder. By means of the device, bacterial infection can be avoided, it is ensured that a joint is sterile, and the situation that the temperature of the normal saline is too low, the bladder is irritated, and measurement is affected is prevented.

The invention discloses an intelligent laser range finder control system, which relates to the technical field of laser range finders, and includes a pulse output module, a data acquisition module, a signal verification module and a loss analysis module; the pulse output module is used to output electric pulses to Drive the radio band frequency of the modulator to the target frequency; the data acquisition module is used to collect the radio band frequency of the modulator, and transmit the collected frequency to the data analysis module for validity analysis, and calculate the current band frequency in conjunction with the target frequency Deviation coefficient, judging whether it is necessary to fine-tune the radio band frequency of the modulator to ensure the accuracy requirements of the radio band frequency for amplitude modulation of the laser beam; the signal verification module is used to verify the communication status of the laser rangefinder in real time, according to the communication The bias value judges whether the communication status of the laser rangefinder is normal, prompts the user to deal with it in time, and effectively improves the measurement accuracy and accuracy of the laser rangefinder.

The invention discloses an online bladder pressure measurement method and system, and relates to the field of medical equipment monitoring. The pressure measurement system includes a base, a first guide rod, a heating box and a disinfection box. An adjustment rod is slidably installed on the first guide rod. A top plate is provided on the top of the adjustment rod, and an infusion set is connected to one side of the bottom of the top plate. There is an infusion tube, and the heating box is set next to the infusion set to heat the physiological saline in the infusion tube. The other side of the bottom of the top plate is fixed with a scale and a transparent sleeve with a pressure measuring tube; there are double chambers running through the disinfection box Urinary catheter, the Y-shaped end of the double-lumen catheter is connected with the infusion tube and the pressure measurement tube respectively, and the top of the infusion tube and the pressure measurement tube penetrates and is fixed on the top cover of the disinfection box; observe the water column in the pressure measurement tube during the test According to the height, the data obtained according to the scale beside it is the pressure in the bladder. Using the device of the invention can avoid bacterial infection, ensure the sterility of joints, and prevent the bladder from being affected by too low temperature of saline water to affect measurement.

The invention provides a body length measurement device for experimental animal rat physiological state, comprising a preparation chamber, a body length measurement channel, a platform and an image recording device; the platform has an inclined surface, and the body length measurement channel is obliquely arranged on the side of the platform On an inclined surface; the bottom end of the body length measurement channel is an inlet, and the top is an outlet; the outlet of the preparation warehouse is connected to the inlet of the body length measurement channel; scales are arranged on the bottom surface of the body length measurement channel; the body length The channel side walls on both sides of the measurement channel can move to both sides along the direction perpendicular to the body length measurement channel; the image recording device is used to take and record the images of experimental animals and rats in the body length measurement channel. The device of the invention can realize accurate and non-invasive measurement of the body length of experimental animals.

The invention discloses a crop root system length measuring device based on biological characteristic simulation, which comprises a cultivation cylinder, a cylinder cover and a root traction device, the cylinder cover is arranged on the top of the cultivation cylinder, and an airtight cavity is formed between the cylinder cover and the cultivation cylinder. The inner wall of the cylinder cover is fixed with an annular pipe distributed along its circumference, and the outer wall of the cylinder cover is provided with a solenoid valve I and a solenoid valve II connected with the annular pipe. The other end of the solenoid valve I is connected with an exhaust fan, and the solenoid valve The other end of the II is connected to an air storage tank, a carbon dioxide concentration detector is arranged on the outer wall of the cylinder cover, and a light-shielding device located under the incandescent tube is arranged on the outer wall of the cylinder cover. The beneficial effects of the present invention are: compact structure, improved root system measurement accuracy, and intuitive measurement of root system growth of different crops under conditions of different concentrations of nutrient solution, different illumination area conditions, different illumination intensity conditions, and different carbon dioxide content conditions Length, easy to operate.

The invention relates to an in-situ detection device for the chlorophyll concentration of water and a detection method of the in-situ detection device. The in-situ detection device and the detection method aim at solving the problems that in an existing device, the excitation light path can be not adjusted, the fluorescence intensity is low, and the fluorescence detection accuracy and sensitivity are low due to scattering generated when water contains lots of impurities. A water sample chamber water inlet device is arranged at the bottom of a quartz water sample chamber, a stainless steel shell is arranged outside the quartz water sample chamber, a detector, a light filter and a focusing lens are arranged over the quartz water sample chamber, a light source, a light source transverse adjustment support, a light source transverse adjustment mechanism and a light source direction adjustment mechanism are arranged on the side face of the quartz water sample chamber, and the detector, the light source, the light source transverse adjustment mechanism and a light source incidence angle adjustment mechanism are connected with a host through wires. The method includes the steps that water background fluorescence signals measured under the off-state of the excitation light source are collected, then water fluorescence signals under the on-state of the excitation light source are collected, and background fluorescence interference is automatically subtracted through operation.

The invention discloses industrial detection equipment based on the Internet of Things, and belongs to the technical field of detection equipment. Industrial detection equipment based on the Internet of Things comprises an elevated base, a lighting rate measuring instrument and a wind speed measuring instrument, and further comprises an installation box fixedly connected to the top of the elevated base, the wind speed measuring instrument is fixed to the top of the installation box, and the lighting rate measuring instrument is fixedly connected to the side wall of the installation box; according to the invention, the PM2.5 is automatically collected and detected, so that the PM2.5 does not need to be detected manually, the labor cost for detecting the PM2.5 is reduced, the situation that a detector inhale the PM2.5 to cause body illness is avoided, the life health of a worker is ensured, the PM2.5 is filtered out, air is converted into flat air flow, the air flow is blown to a tray 801, the PM2.5 on the tray 801 is blown into a dust discharge cavity 5032, and the PM2.5 on the tray 801 is discharged into the dust discharge cavity 5032. And the dust is discharged from the dust discharge cavity 5032, so that the tray 801 is automatically cleaned, the influence on the next measurement of the PM2.5 is avoided, and the PM2.5 can be conveniently and continuously detected.

The invention discloses an anti-crystallization underwater terrain detection method, which comprises the following steps of: uniformly dividing a detected water surface to obtain virtual square networks with the same size; forming an underwater terrain height actual measurement matrix by the actual measurement data in each virtual square network, and calculating an optimization interpolation; inputting the optimized interpolation obtained through calculation into the underwater terrain height actual measurement matrix, and generating an optimized measurement display matrix; and when the local underwater topography changes, re-measuring the changed local area, and updating the underwater terrain height actual measurement matrix. The invention further discloses a system based on the anti-crystallization underwater terrain detection method. According to the anti-crystallization underwater terrain detection method, the visuality of data feedback is improved by utilizing an optimized Shepard method; and cellulose acetate permeable membranes are used for respectively wrapping a transmitting transducer and an echo detector, purified water is injected and pressurized by a booster pump, and the purified water penetrates through the permeable membranes under the combined action of osmotic pressure and pressurization of the booster pump to prevent crystal nucleus from being attached, so that external crystallization of the detector is prevented from influencing measurement.

The invention relates to the technical field of sports, and discloses a standing long-jump distance measuring pedal device for sports training, comprising a force-bearing bottom box, one end of the bottom of the inner wall of the force-bearing bottom box is fixedly connected with the bottom of the outer circumferential surface of an arc-shaped chute plate, One end of the inner circumferential surface of the arc-shaped chute plate is slidably connected with the bottom of the outer circumferential surface of the tooth sliding plate, and the tooth sliding plate meshes with the teeth on one side of the outer circumferential surface of the first spur gear through the teeth on the top. In the present invention, the pedal drives the power pressure plate to move downward during the process of being stepped on by the user. During the downward movement of the power pressure plate, the power rod drives the sector tooth plate and the first spur gear to rotate, and the first spur gear drives the tooth slide plate to rotate. The inner wall of the arc-shaped chute plate slides to achieve the effect of hitting the elastic start switch to start the power telescopic rod, and the roller column can repeatedly level the traces on the surface of the shaping plate, which solves the problem that the traditional standing long jump measuring device cannot accurately determine the measurement. Step position, resulting in a large measurement error.

The invention relates to a check ring test tool which comprises a front limiting plate and a rear limiting plate, wherein the front limiting plate and the rear limiting plate are used for being matched with the two axial sides of a check ring, the front limiting plate and the rear limiting plate are arranged in a front-back spaced mode by means of corresponding front and back limiting structures, and a check ring insertion groove allowing the check ring to be inserted is formed between the front limiting plate and the rear limiting plate. At least one of the front limiting plate and the rear limiting plate is provided with a test tool opening which allows a test tool body to be inserted into the check ring insertion groove in the longitudinal direction to clamp or loosen the corresponding check ring. When a check ring test is carried out, the check ring is inserted into the check ring insertion groove in the vertical direction, the test tool is inserted into the check ring insertion groove from the test tool opening, and accordingly the check ring can be clamped or loosened. Meanwhile, the front limiting plate and the rear limiting plate can carry out limiting on the two axial sides of the check ring to prevent the check ring from having large axial deformation and prevent measurement of the radial size of the check ring from being influenced, so that reliability of a check ring test result is improved, and the probability that the check ring breaks during the test is lowered.

The invention relates to an outlet device, in particular to a vertical outlet device for a steel wire rope of a displacement sensor. Provided is a displacement sensor wire rope vertical wire rope outlet device capable of allowing the wire rope of the displacement sensor to go out vertically and removing impurities without affecting the movement of the wire rope of the displacement sensor. A vertical wire rope outlet device for a displacement sensor, comprising: a mounting frame, a frame body is installed on the outer side of the mounting frame, and through holes are circumferentially spaced on the side of the frame body away from the mounting frame. In the present invention, the device is installed on the displacement sensor, and the wire rope of the displacement sensor goes around the winding wheel and passes through the upper hole of the fixing plate and the frame body, and then when people pull the fixed head to drive the wire rope of the displacement sensor to move outward, the winding The wheel can make the steel wire rope go out vertically, so that the deviation of the steel wire rope of the displacement sensor can be avoided to affect the measurement.

The invention relates to a collision reaction tank. The collision reaction tank comprises two electrode assemblies, wherein each electrode assembly comprises two pairs of electrodes, the corresponding two pairs of the electrodes are arranged in an orthogonal mode, and the two electrodes of each pair of the electrodes are arranged oppositely. A collision reaction region is formed between the two pairs of the electrodes of the corresponding electrode assembly, and same-frequency reverse RF voltages are applied between two adjacent electrodes of the corresponding electrode assembly. Collision reaction gas is fed to the other electrode assembly. The collision reaction tank has the advantages that mass filter accuracy is high, and working conditions of the collision reaction tank can be simplified.