55results about How to "Comprehensive measurement results" patented technology

The invention provides a cooperative measurement and switching setting optimization method among multiple cells in a mobile communication network. The cooperative measurement and switching setting optimization method requires that the multiple cells positioned on a network side cooperatively control a mobile terminal to complete radio link measurement in specified cell coverage areas, and the specified cell coverage areas are target areas of the multiple cells trying to carry out intercell switching optimization. An intercell cooperative measurement mechanism enables a source cell starting the measurement to acquire a measuring result of the mobile terminal from other cells and assists the source cell to detect the necessity of switching and the reasonability of mobile parameter setting, and if the source cell discovers unnecessary switching exists among cooperative cells or the mobile parameter setting is unreasonable, the source cell can notify information to the cooperative cells so as to trigger the optimization process of the mobile parameter setting; and finally, the multiple cooperative cells can prevent unreasonable switching by modifying parameters, thereby achieving the optimization of the integral mobile function of the mobile communication network and realizing the enhancement of the property and the capacity of a mobile communication system.

The invention relates to an on-line double-sided automatic thickness measuring device of organic glass, which mainly comprises a control system, a machine frame, a support frame, a detection frame, a cross beam, a cross beam regulator, a feeding distance measuring device and a plurality of thickness measuring devices, wherein the upper end of the machine frame is fixedly connected with the detection frame, the cross beam is connected onto the upper edge frame of the detection frame through the cross beam regulator, the inside of the detection frame is fixedly connected with the support frame, a plurality of support guide shafts are arranged on the support frame, a feeding speed measuring device is arranged at one end of any support guide shaft for measuring the feeding distance of an organic glass plate, the thickness measuring device comprises upper thickness measuring units and lower thickness measuring units, and a plurality of upper thickness measuring units and lower thickness measuring units are respectively and symmetrically arranged on the cross beam and the detection frame for detecting the thickness information of the front side and the back side of multi-point positions of the organic glass plate. Because the control system is used for processing and calculating the position information of entity space three-dimensional lattices of the organic glass in real time for confirming the dimension quality of the plates, the on-line double-sided automatic thickness measuring device has the advantage of simple and compact structure, and can be directly arranged at a production line for real-time measurement.

The invention discloses a method for measuring the deformation of a large-sized work-piece, which comprises the following steps of: firstly, placing a fixed point; secondly, sticking a deformation point; thirdly, sampling and shooting a picture; fourthly, rebuilding the information of the deformation point; fifthly, combining the coordinates; sixthly, resetting the ID of the deformation point; and seventhly, calculating the deformation quantity. By the operation steps, the invention can measure the direction and size of the three dimensional deformation of the large-size workpiece, which is caused by the applied force load, thermal load, etc. The method has the characteristics of easy operation, no restriction of the size of the workpiece, abundant measurement information, precise and reliable results, high efficiency and non-contact measurement.

The invention discloses a method for measuring steel structure welding deformation based on gridding, which is characterized in that the procedures of the measuring method comprise: designing gridding, manufacturing a silk screen mould, printing the gridding, fixing a shooting point, sampling and shooting, reconstructing gridding information, creating a deformation coordinate system, comparing corresponding images and calculating deformation. By means of the operation steps, the method disclosed by the invention can measure the deformation dimension and the size of deformation generated during the welding process, and the method has the advantages of being convenient in operation, large in measuring information quantity, accurate and reliable in result, high in efficiency and having no limit on steel structure dimension, non-contact measurement availability.

The invention discloses a friction corrosion fatigue test device and a friction corrosion fatigue test method of a heavy-load scraper plate conveyor circular chain. The friction corrosion fatigue test device comprises the following modules of a loading simulating system which applies a dynamic tension and an impact load on the circular chain through an electric cylinder and an impact plate; a heating simulating system which heats the inner part of a middle trough simulating box through a fan and a PCT electric heater; a friction simulating system which drives the middle trough simulating box through the electric cylinder for applying a friction force on the circular chain; a corrosion simulating system which is realized through adding corrosion media into the middle trough simulating box; and a monitoring system which realizes monitoring on the dynamic tension, the friction force, the impact load, the temperature, the corrosion wearing rate and the fatigue life of the circular chain through a plate ring tension sensor, a three-dimensional force sensor, a temperature sensor, a temperature control box, an auxiliary electrode, a working electrode, a reference electrode and an electrochemical work station. The friction corrosion fatigue test device and the friction corrosion fatigue test method have advantages of convenient operation, comprehensive and reliable testing result, and important guiding meaning in safe and reliable operation of the heavy-load scraper plate conveyor circular chain in a complicated operation environment.

The invention discloses a testing apparatus for measuring a diffusion radius for binary-slurry grouting. The testing apparatus comprises a sandy soil system and a grouting system. The sandy soil system comprises a water storing container and a sealed sandy soil container. The bottom of the sandy soil container is communicated with the water storing container. The sandy soil container contains a compacted sandy soil test sample. The grouting system comprises a pneumatic supply and a sealed slurry storing container. The slurry storing container contains a binary slurry. The pneumatic supply is communicated with the top of the slurry storing container. The bottom of the slurry storing container is communicated with a grouting pipe. The lower end of the grouting pipe penetrates through a top cover of the sandy soil container and is inserted vertically into the sandy soil test sample. The part of the grouting pipe, which is inserted into the sandy soil test sample, is provided with grouting holes. A method for measuring the diffusion radius for binary-slurry grouting is also provided by the invention. The testing apparatus and the method stimulate a binary slurry grouting environment in engineering practice, measure the diffusion radius for binary-slurry grouting under different grouting pressures, provide theoretical references for diffusion radius determination of in engineering practice, and greatly reduce measurement errors of the grouting diffusion radius.

The invention discloses a measuring apparatus and method for obtaining apparent viscosity physical property of a low-temperature thick liquid through combination with density measurement. The apparatus comprises a low-temperature-thick-liquid feeding unit, a low-temperature-thick-liquid-density measuring unit, and a low-temperature-thick-liquid-viscosity measuring unit. The low-temperature-thick-liquid feeding unit is connected to the low-temperature-thick-liquid-density measuring unit and the low-temperature-thick-liquid-viscosity measuring unit in sequence through pipelines in order to enable the low-temperature thick liquid to pass through the two units. The low-temperature-thick-liquid-density measuring unit is internally provided with a density measuring electrode and an LCR measuring instrument and can measures density of the low-temperature thick liquid. The viscosity measuring unit calculates density of a stirred objective fluid through torque, of a rotating cylinder, measured by a torque transducer. The low-temperature measuring apparatus adapts to measurement of density and viscosity of a solid-liquid thick liquid or a single-phase fluid at a low temperature and is simple in process. Density measured values and viscosity measured values measured by the measuring apparatus are corresponding one to one, so that the measured results are entire. The apparatus and method can be widely applied to fields, such as air separation, spaceflight, and superconductors, with respect to deep cryogenic technology.

The invention discloses a portable device for detecting the depth of an engraved character. The device comprises a mechanical casing body, a clamping mechanism, rollers, a display screen and a laser triangulation optical path unit. The laser triangulation optical path unit includes a linear laser, a reflecting mirror, a lens and an image sensor; a filter piece is arranged between the image sensorand the lens; and a glass window is arranged at the bottom of the mechanical casing body. In addition, the invention also discloses a method for detecting depth of an engraved character. A trigger signal is generated; 3D contour data of a character surface are sampled and character characteristic data represented by a character scanning contour line are calculated; and then a character detection result is finally displayed. Therefore, non-contact comprehensive detection of the depth or height of the coded character, the size of the character, and the distance between adjacent characters can berealized; the manual detection cost during the process of motor vehicle manufacturing and annual inspection can be lowered; the detection accuracy and detection efficiency can be improved; and the technical problems existing in the industry can be solved.

The invention discloses a near infrared household food detection device and method, and belongs to a food detection device and method by utilizing optical absorption characteristics of organic ingredients of food in a near infrared spectrum area. According to the device, near infrared rays emitted by a near infrared light emitting diode are collimated and emitted in parallel through a collimator objective and are converged to a detector through a focusing lens; a sample rack is arranged above a middle position between an optical filter and the detector; the detector is provided with an interface connected with a computer. The method comprises the following steps: adjusting the position of the near infrared light emitting diode, so that the emitted near infrared rays are received by the detector; suspending a sample to be detected on the sample rack; arranging the optical filter, so as to obtain a detection result of the sample to be detected under a particular wavelength; finally, analyzing the detection result according to the conventional technology, so as to obtain a detection conclusion. A filtering effect is improved, the device has a detection function under different wavelengths, and the influence of a container loading the sample to be detected on a measurement result is avoided. In addition, the device has high upgradeability and high extensibility.

The invention discloses a core self-absorption experimental method based on CT scanning, which includes the following steps: S100, acquiring a core sample, and acquiring an image of a core sample in astate of no invasion of self-absorption water through the CT scanning; S200, capturing images at various time points in a state of invasion of self-absorption water through CT scanning constant-angelprojection, in a core sample water self-absorption experiment process; S300, acquiring the CT scanning projection image of the core sample after the water self-absorption experiment process is stopped; S400, acquiring three-dimensional spatial distribution of self-absorption water in the pores of rock before and after invasion of self-absorption water through an image difference method. The method can perform measurement through CT scanning, without taking the core from self-absorption water, to avoid measurement errors. At the same time, the infiltration absorption rate of self-absorption water in the pores of the core, and the specific distribution position of self-absorption water in the core can be obtained, measurement results can be more accurate and comprehensive.

The invention discloses a computer micro-resistor high-precision testing device based on the CPCI. The device comprises a constant flow source used for providing reference stimulation for a resistor to be tested, a signal conditioning card used for processing voltage drop signals sent by the resistor to be tested, a CPCI collecting card used for collecting signals, a man-machine information interaction platform and a CPCI computer, wherein the constant flow source is connected with the signal conditioning card, the signal conditioning card is connected with the CPCI collecting card, the CPCI collecting card is connected with the man-machine information interaction platform, and the man-machine information interaction platform is connected with the CPCI computer. The computer micro-resistor high-precision testing device based on the CPCI has the advantages that measuring accuracy is high and can reach +/-0.1 milliohm; the automation degree is high, and automatic measurement, automatic data judgment, automatic test report generation and automatic filing can be achieved; man-machine communication information is rich, a great amount of information of products to be tested can be typed in, and test results can be fed back in the form of diagrams, files, animation and the like.

The invention discloses a method for measuring a radar cross section by using an extrapolation method. The method includes the following steps that: the position of a transmitting source is aligned with the position of a measured target, so that the transmitting source can be aligned with the measured position of the measured target; in a process in which the transmitting source leaves the measured target, the radiation power or electromagnetic wave amplitudes of the transmitting source under a plurality of measurement positions and received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target are correspondingly obtained; a radar cross section measurement curve which changes with the distance of the transmitting source and measured target is obtained according to the radiation power or electromagnetic wave amplitudes of the transmitting source under the plurality of measurement positions and the received spatial radiation power or electromagnetic wave amplitudes which are scattered by the target; the function of the change of the radar cross section of the measured target with the distance is obtained according to the radar cross section measurement curve; and the distance infinity limit of the function is solved, so that the radar cross section of the measured target can be obtained. The method has the advantages of high measurement accuracy and wide application range.

The invention belongs to the technical field of geometric quantity measurement. The invention particularly relates to a scanning measurement device for a deep hole axis. The device comprises a rack, atelescopic mechanism and a scanning mechanism. The telescopic mechanism is erected on rack, the output end of the telescopic mechanism is vertically downward; the scanning mechanism is connected withthe output end of the telescopic mechanism; the scanning mechanism comprises a first fixing plate, a second fixing plate and six sensors. The first fixed plate is vertically connected with the outputend of the telescopic mechanism through a first connecting rod; the second fixing plate and the first fixing plate are arranged in parallel, the second fixing plate is connected with the first fixingplate through a second connecting rod, the output ends of three sensors are arranged on the first fixing plate together with a first circumcircle, the output ends of the other three sensors are arranged on the second fixing plate together with a second circumcircle, and the first circumcircle and the second circumcircle are coaxial. The scanning measurement device has the characteristics of strong universality, high precision, high efficiency and the like. In addition, the invention further provides a measurement method of the scanning measurement device, so that the working stability and efficiency of the scanning measurement device are improved.

The invention provides environment-friendly water quality monitoring equipment, which relates to the technical field of water quality monitoring. The environment-friendly water quality monitoring equipment comprises a solar charging device used for supplying power, a suspension block installed at the bottom of the solar charging device, a lifting rod installed at the bottom of the suspension block, a rotating device connected with the bottom of the lifting rod, a containing shell installed at the bottom of the rotating device, a propelling device and a water quality monitor installed in the containing shell, a controller electrically connected with the solar charging device, the lifting rod, the propelling device and the water quality monitor and located in the containing shell, and a flushing device arranged on the containing shell. The solar charging device is installed above the suspension block, so that the equipment can convert solar energy into electric energy through illumination, power supply to the equipment is achieved, operation is convenient, self-charging is not needed, and energy is saved.

The invention provides a multi-polarization-mode combined array type ground penetrating radar antenna and a control method thereof. The multi-polarization-mode combined array type ground penetrating radar antenna comprises an electric insulation plate base, a radar antenna array fixed to the electric insulation plate base, an antenna switch assembly and a radar host. The radar antenna array comprises six rows of radar antenna groups which are respectively a first row of radar antenna groups, a second row of radar antenna groups,..., and a sixth row of radar antenna groups. And the polarizationdirection of each radar antenna group is set. The antenna has the advantages that rich measurement results of each polarization mode in each measurement mode can be realized only by controlling the switch of each radar antenna, selecting the two corresponding radar antenna groups matched with the polarization modes and switching the states of the selected radar antenna groups, and rich measurement results of each polarization mode in each measurement mode can be realized. According to the invention, 3D measurement is effectively combined with the multi-polarization component of the dipole antenna, so that the effect of obtaining rich measurement data through one-time measurement is realized, and the precision and the breadth of a measurement result are improved.

The invention provides a casting narrow deep cavity inner surface measuring method based on three-dimension scanning. The method comprises the steps that a theoretical module is structured to a theoretical surface associated with casting dimensions by using three-dimension scanning equipment; a typical point is selected in the inner surface of the casting; a marked ring is arranged on the outer surface of the casting, the center of a circle of the marked ring is located on a straight line which is perpendicular to axis of rotational symmetry of the casting in an intersecting mode and pass through the typical point; three-dimension scanning is carried out on the casting; a contract color ribbon is adjusted, obvious differences exist in three-dimension scanning point cloud of the outer surface of the casting in the marked ring and a ring inner area; the distance from center of the circle of the marked ring to the theoretical surface is calibrated; the wall thickness of the casting in theposition of the center of the circle of the marked ring is measured; and the distance from the typical point to the theoretical surface is calculated by using the distance and the wall thickness of the center of the circle of the marked ring to the theoretical surface. According to the casting narrow deep cavity inner surface measuring method based on the three-dimension scanning, the casting narrow deep cavity inner surface typical point and the outer surface are combined accurately by using the marked ring, and efficient and rapid measurement of the casting inner surface dimensions is realized.

The invention discloses a measurement device for measuring the temperature field of a vehicle vent pipe. The device comprises a base, a guide rail fixedly arranged on the base and parallel to the axial direction of the vehicle vent pipe, at least two sensor fixing bases arranged on the guide rail and sensors arranged on the sensor fixing bases. The sensors are in the form of temperature sensors. The sensor fixing bases are slidably mounted onto the guide rail and are fixed at preset places via fixing parts. According to the requirements of desired measurement data, the device is placed at a preset place below the vehicle vent pipe. Meanwhile, the guide rail is ensured to be parallel to the vehicle vent pipe. According to the technical scheme of the invention, a plurality of sensor fixing bases are arranged on the guide rail and sensors are arranged on the sensor fixing bases. Through adjusting the sensor fixing bases, the sensors are driven to reach preset places and then are fixed. In this way, the rapid arrangement of the sensors during measurement is realized. As a result, the number of the sensors is adjustable, and the positions of the sensors are adjustable along the axial and radial directions of the vehicle vent pipe. The measurement result of the measurement device is more comprehensive and more accurate.

The invention discloses a three-energy-segment gamma imaging system based on energy window modulation and a system design method, and the imaging system comprises a radiation source, a coding hole, a gamma imaging module I, a gamma imaging module II and a gamma imaging module III which are sequentially arranged in series. The computer control equipment is connected with the gamma imaging module I, the gamma imaging module II and the gamma imaging module III; geometric centers of array scintillators in the radiation source, the coding hole, the gamma imaging module I, the gamma imaging module II and the gamma imaging module III are all located on the axis of the ray channel; the invention further discloses a design method of the imaging system. By means of the imaging system, image diagnosis of the three-energy-band gamma rays in the fission source area can be achieved. Spatial distribution information of gamma rays of the fission source region with a multi-energy-spectrum structure can be obtained through single measurement of the imaging system, and the diagnosis efficiency of gamma images of the fission source region is improved.