33results about How to "To achieve the purpose of calibration" patented technology

The invention discloses an equipment calibration method and an output device, relating to a color management technology. The equipment calibration method comprises the steps: converting every first color data group in a file to a second color data group according to a first corresponding relation table of the stored first color data groups and second color data groups, wherein the second color data groups are the color data groups corresponding to target objective vision chromatic values which is necessary to output by the first color data groups, in a second corresponding relation table of actual objective vision chromatic values and color data groups, and the second corresponding relation table derives from a color target diagram output through measurement equipment; and outputting the file according to the second color data groups. The color data groups are directly used for calibration, so the correlation of various parameters is taken into consideration, and the equipment calibration efficiency, the operation easiness and the calibration effect are enhanced.

The invention discloses a battery voltage acquisition and calibration circuit. The battery voltage acquisition and calibration circuit comprises a battery voltage acquisition module and further comprises an MCU (Microprogrammed Control Unit), a multi-path standard voltage generation circuit, a constant-current source circuit and a voltage following circuit; the MCU is used for controlling the multi-path standard voltage generation circuit to generate a plurality of paths of standard voltage and battery voltage is simulated through the constant-current source circuit and is acquired through the battery voltage acquisition module; the MCU is connected with the battery voltage acquisition module and is used for transmitting a voltage value of the standard voltage to the battery voltage acquisition module; the battery voltage acquisition module is used for comparing the voltage value of the acquired standard voltage with a standard voltage value transmitted by the MCU, and calculating errors and automatically calibrating, and an output band loading capability is increased through the voltage following circuit; the aim of automatically acquiring and calibrating voltage of a single battery or a plurality of batteries is realized; meanwhile, the battery voltage acquisition and calibration circuit is simple in structure and low in cost and has good economic value. The battery voltage acquisition and calibration circuit disclosed by the invention is widely applied to the technical field of battery management.

The invention relates to a tool for checking tire molds, in particular to a workbench measuring circular degree and curvature of tire molds. The invention provides a device with simple structure and convenient use, which can completely cover the components needing check so as to obtain equipments with data being absolute values. The tool comprises a stand (13) that is provide with a rotary table (31) at one side and a stand widening angle iron (1) at the other side; the stand widening angle iron (1) is provided with a support pillar that is provided with an infrared circularity survey meter (32); the rotary table (31) is provided with a circularity correcting mechanism and a plane correcting mechanism; the rotary table (31) is further provided with a main shaft (27); and the rotary table (31) is movably connected with the stand (13) via the main shaft (27). After the structure is used, tire molds can be rotated to proper positions, and plane correction and circularity correction are carried out according to the shape of tire molds and the requirements of detection. The up-and-down movement of the circularity survey meter can be used for full correction.

The invention relates to a calibration method and device for the elevator lift-car position, an elevator calibration system, computer equipment and a storage medium. The method comprises the steps that a first distance and a second distance corresponding to a current position where an elevator lift-car runs to are obtained; the first distance and the second distance are measured and obtained by distance detecting devices, and the distance detecting devices are arranged at the top and / or the bottom of the elevator lift-car and at the top and / or the bottom of a counterweight; the change tendencyof the first distance corresponding to different positions where the elevator lift-car runs to is opposite to that of the second distance; the first distance and the second distance after calibrationof the current position are obtained according to the first distance and the second distance of the current position and a distance calibration model; and the calibration is performed on the currentposition of the elevator lift-car according to the first distance and the second distance after the calibration of the current position. By means of the calibration method for the elevator lift-car position, the purpose of performing the calibration on the elevator lift-car position is realized, so that the measuring accuracy of the elevator lift-car position is improved.

The invention discloses an angle calibration device for a speed reducer detector and an angle calibration method of the angle calibration device. The angle calibration device comprises an adapter shell, a calibration rod, a circular grating angle measurement system and a bearing, the two end faces of the adapter shell are fixedly connected with the high-speed end and the low-speed end of the speedreducer detector respectively. The calibration rod is arranged in the hollow part of the adapter shell, and external splines at the two end parts of the calibration rod respectively match internal splines at the high-speed end and the low-speed end of the speed reducer detector to transmit motion; the circular grating angle measurement system comprises a circular grating ruler and a circular grating reading head, and the circular grating ruler is fixed on the calibration rod; the bearing comprises an inner ring and an outer ring, the inner ring is matched with the calibration rod, and the outer ring is matched with the adapter shell. According to the invention, the real operation condition of the tested speed reducer can be simulated, the measurement of the angle value of the gap generated between the input shaft and the output shaft of the speed reducer and the detector in a spline connection mode can be realized, and the error compensation is carried out on the angle value in related parameters of the performance of the speed reducer influenced by the gap value.

The invention relates to the technical field of equipment calibration, in particular to a calibration method and device for temperature detection equipment. The method comprises the following steps: acquiring an experimental melting temperature obtained by detecting a substance through temperature detection equipment in a calibration experiment; obtaining a standard melting temperature corresponding to the substance; calibrating the temperature detection equipment according to the standard melting temperature and the experimental melting temperature to obtain calibrated temperature detection equipment, wherein the calibrated temperature detection equipment is used for detecting the temperature of a substance in an actual experiment, and the standard melting temperature of the substance iscompared with the experimental melting temperature, so that the purpose of calibrating the temperature detection equipment is achieved.

The invention discloses a method for calibrating an electronic tag with a temperature sensor. The method comprises the following steps: S1, generating a series of high-precision calibrating tags in different temperature intervals by a measuring-level calibrating incubator; S2, when calibrating a temperature-sensitive electronic tag, preparing the common incubator, putting a to-be-calibrated tag and a standard tag within a calibrating temperature point interval range into the appointed position of the common incubator, performing temperature scanning, measuring the temperature values of the twotemperature point standard tags and the output voltage value of the corresponding to-be-calibrated tag, and calibrating parameters of the to-be-calibrated tag according to the acquired temperature value of the standard tag and the voltage value of the corresponding to-be-calibrated tag; and S3, writing the parameters of the to-be-calibrated tag after calibration into the to-be-calibrated tag. Theaim of calibrating the electronic tag with the temperature sensor can be fulfilled, the measuring-level calibrating incubator is prevented from being used for calibrating, the temperature stabilizingtime is short, the stable precision requirement is low and the calibrating cost is greatly reduced.

The invention relates to a charging circuit and a power terminal, the charging circuit comprises a charging module, a voltage feedback module and a voltage calibration module, the charging module, thevoltage feedback module and the voltage calibration module are respectively used for being connected with a to-be-charged device, and the charging module and the voltage calibration module are connected with the voltage feedback module; the voltage calibration module is used for acquiring a first termination voltage of the to-be-charged device at the end of the current charging, determining an adjustment parameter of the voltage feedback module according to the first termination voltage and a preset target termination voltage, and adjusting the voltage feedback module according to the adjustment parameter; and the voltage feedback module is also used for generating a feedback signal based on the adjusted parameter and the voltage of the to-be-charged device during the next charging so asto calibrate the termination voltage of the to-be-charged device. Therefore, the precision of the termination voltage of the to-be-charged device is improved, and the capacity utilization rate of theto-be-charged device is improved as much as possible on the basis of not generating an overshoot phenomenon.

The invention relates to the technical field of mine water disaster monitoring, in particular to a method for judging an alarm threshold value for water disaster micro-earthquake. The method comprises the following steps that S1, geophysical prospecting data, geochemical prospecting data and hydrological data are obtained in real time; S2, fusion processing is carried out on the geophysical prospecting data, the geochemical prospecting data and the hydrological data to obtain fusion data; S3, optimization training is carried out on the fusion data by adopting a deep learning space-time sequence prediction algorithm to obtain trained fusion data; S4, on the basis of the trained fusion data, an intelligent early warning model of water disaster early warning grade classification is constructed in combination with static indexes of coal seam water inrush influence factors and real-time monitoring dynamic indexes; and S5, according to the intelligent early warning model, grade classification is carried out on the water disaster micro-earthquake to obtain a water disaster micro-earthquake grade, and according to the water disaster micro-earthquake grade, a corresponding alarm threshold value is determined. The alarm threshold can be dynamically adjusted according to different current environments, and the technical problem that dynamic adjustment cannot be carried out according to different current environments is solved.

The invention provides a hinge assembly. The hinge assembly comprises a seat body, a plurality of hinge holes formed in the seat body and a reinforcing piece arranged at the inner side of a refrigerator body. The reinforcing piece is provided with positioning pieces which penetrate through the refrigerator body and are matched with the hinge holes. A protruding block is arranged on the hole wall of each hinge hole or on one of the positioning pieces. When the positioning pieces are arranged in the hinge holes in a matched mode, the protruding block abuts against the hole wall of the corresponding hinge hole or the other one of the positioning pieces. The invention further provides a refrigerator provided with the hinge assembly. When a refrigerator door body is dislocated or is unparallel to the refrigerator body, the protruding block can be stressed and deformed by tapping the hinge seat body so that the hinge seat body can be displaced, and accordingly the position of the door body can be adjusted according to requirements. The hinge assembly and the refrigerator have the advantages of being easy to operate, low in cost, safe and reliable.

The invention belongs to the technical field of intelligent water meters, and relates to an Internet of Things transmitting method, device, transmitter and system for intelligent water meter forwarding, the system is automatically activated before reaching the appointed meter reading time, if the system is not activated through an external event, system parameters are inquired, the system parameters comprise the meter reading time and the uploading time, and when the meter reading time is up, a first Bluetooth module is started to establish communication connection with the intelligent water meter, and meter reading data of the intelligent water meter are obtained; and when the uploading time is up, the communication module is started to establish communication connection with the upper computer, and meter reading data is uploaded. According to the intelligent water meter, after a booster circuit is omitted, the problem of electromagnetic interference is solved, the metering reliability of the meter end circuit is greatly improved, and the data uploading efficiency of the intelligent water meter is improved.

The invention relates to a vertical on-site torque calibration device based on a speed reducer force application principle and belongs to the torque calibration field. The device comprises a first electric lead screw lifting platform, a second electric lead screw lifting platform, a pressing sheet, a standard lever, a sensor to be measured, a lateral force resistance device, a pedestal, a movable working table, a first standard-type S sensor, a second standard S type sensor, a motor, a circular gear and a sector gear. Aiming at a large torque calibration demand, based on a current test condition, a set of on-site torque calibration device is established. A lever balance principle is used, and through the lever, a generated standard moment value is loaded and is compared to a measured data of a calibrated sensor so as to reach a calibration purpose. The device can be simply and rapidly operated. In the prior art, measurement precision is low, time is long and the device is not suitable for on-site detection. By using the device of the invention, the above problems are solved, requirements of measured value transmission and traceability are satisfied and large torque on-site calibration can be realized.

The invention belongs to the technical field of metering calibration, in particular to a metering calibration device, and aims to solve the problems that an existing metering calibration device is large in size, inconvenient to carry and low in the using flexibility. Proposed now is the following scheme, the device comprises a mounting base, two sliding grooves and a containing groove are formed in the top of the mounting base. Two groups of calibration blocks are placed in the containing groove; the top of each calibration block is fixedly connected with a hanging ring; lifting plates are mounted in the two sliding grooves in a sliding manner; the same cover plate is fixedly mounted at the tops of the two lifting plates; a handle is fixedly mounted at the top of the cover plate; two fixing hooks are fixedly installed at the bottom of the cover plate, a dynamometer to be calibrated and a standard dynamometer are hung on the two fixing hooks respectively, and two threaded grooves are formed in the sides, away from each other, of the two lifting plates, so that the two lifting plates are contracted conveniently, the occupied space is reduced, and the device is convenient to carry, simple in structure and convenient to use.

The invention provides a distance measuring system comprising an assembly body, a transmitting assembly, a receiving mirror group, a receiving sensor, and refractor groups. The refractor groups are disposed on the assembly body. The transmitting assembly and / or the receiving sensor are / is disposed on the side part / s of the assembly body. The refractor groups can move in at least one direction, and optical paths are changed by the refraction of the refractor groups, and the miniaturization of the size of the distance measuring system is realized. The invention also provides a method of calibrating the optical paths of the distance measuring system. By moving a first refractor group and a second refractor group to adjust and calibrate the optical paths, a transmitting optical path and a receiving optical path are superposed with each other, and a calibration object is achieved. The above mentioned method has advantages of simple operation and high measurement precision.

The invention discloses a stratum capture cross section curve correction method, device and equipment, and the method comprises the steps: building a Monte Carlo calculation model of a stratum capturecross section, and analyzing an influence factor obtained by the stratum capture cross section according to the Monte Carlo calculation model; the method comprises the steps that actual well data anda capture cross section curve of a marker bed in existing bare well data are obtained, an abnormal well section in an actual well is selected according to the capture cross section curve of the marker bed, influence factors in the abnormal well section are corrected, and the marker bed comprises a pure mud rock layer and a pure water layer; and obtaining a corrected stratum capture cross sectioncurve according to the corrected abnormal well section data. On the basis of a Monte Carlo method, a marker bed method is adopted to correct influence factors, the application condition of PNN loggingis obtained, and production practice can be guided to a certain extent.

The present application relates to the technical field of equipment calibration, in particular to a calibration method and device for temperature detection equipment. This application obtains the experimental melting temperature obtained by detecting the substance through the temperature detection equipment in the calibration experiment; obtains the standard melting temperature corresponding to the substance; and detects the temperature according to the standard melting temperature and the experimental melting temperature The equipment is calibrated to obtain the calibrated temperature detection equipment; wherein, the calibrated temperature detection equipment is used to detect the temperature of the substance in the actual experiment, and the standard melting temperature of the substance is corresponding to the experimental melting temperature. The temperature detection equipment is calibrated for the purpose.

A high-accuracy stepped hole measuring caliper relates to the technical field of construction engineering, including a caliper whose middle part is rotatably connected with a rotary block. The high-accuracy stepped hole measuring caliper is used in conjunction with the ball and the gravity block. Before fixing the measuring device, the device is inserted into the stepped hole, and the calibration disc is rotated to make the ball roll in the movable groove. When the ball rolls to the shrapnel , press the shrapnel downwards, so that the second spring is compressed, and the gravity block is under the downward pressure of the second spring, but because the gravity block is not vertically downward, the gravity block is subjected to the friction force of the rubber pad, and cannot stretch out the calibration plate. When the gravity block is turned vertically downward, the gravity block will pop out the calibration plate under the action of spring 2. At this time, the caliper is in a vertical or horizontal state, thereby achieving the purpose of calibration and improving the accuracy of the measurement results , At the same time, during the measurement, the angle of the caliper can be changed by rotating the rotary block and inserting the block to increase the measurement range.

The invention discloses a bridge frame air pipe pre-embedded control device. The device comprises a square pipe, limiting plates, a bottom plate, a connecting block and a rotating rod, wherein the two limiting plates are installed at the two ends of the square pipe in a sliding mode, the bottom plate is vertically installed at the bottoms of the limiting plates, the connecting block is installed in the middle of the side face of the square pipe, the rotating rod is rotationally installed in the connecting block, the two ends of the rotating rod are connected with the limiting plates through threads, and the two sections, located at the two sides of the connecting block, of the rotating rod are provided with forward threads and reverse threads correspondingly; and at least two hollow pipes are installed on the upper surface of the square pipe, limited pillars are clamped in the hollow pipes, and the limited pillars are pre-embedded in a bridge frame. The device is convenient to mount, and the problems that in the prior art, the angle cannot be controlled during air pipe mounting, the operation difficulty is high, the butt joint speed is low, and the support is inconvenient to dismount can be effectively solved.

The invention discloses a method for calibrating an electronic label with a temperature sensor, comprising the following steps: step S1, using a metering-level calibration thermostat to generate a series of high-precision calibration labels in different temperature ranges; and step S2, performing calibration of the temperature-sensitive electronic label , prepare an ordinary incubator, put the label to be calibrated and the standard label within the range of the calibration temperature point into the designated position of the ordinary incubator for temperature scanning, and measure the temperature values ​​of the standard labels at the two temperature points and their corresponding temperature values ​​respectively. The output voltage value of the label to be calibrated is calibrated according to the obtained temperature value of the standard label and the corresponding voltage value of the label to be calibrated; step S3, write the parameters of the calibrated label to the label to be calibrated , the present invention can achieve the purpose of calibrating the electronic label with a temperature sensor, avoiding the use of a metering grade calibration incubator for calibration, the temperature stabilization time is short, the stability accuracy requirement is reduced, and the calibration cost will be greatly reduced.

The disclosure relates to a charging circuit and a power terminal. The charging circuit includes: a charging module, a voltage feedback module, and a voltage calibration module, wherein the charging module, the voltage feedback module, and the voltage calibration module are respectively used to connect to a device to be charged, and the charging module and the voltage calibration module are respectively connected to the voltage feedback module; the voltage calibration module is used to obtain the first cut-off voltage of the device to be charged at the end of this charging, and determine the voltage of the voltage feedback module according to the first cut-off voltage and the preset target cut-off voltage Adjust the parameters, and adjust the voltage feedback module according to the adjusted parameters; the voltage feedback module is also used to generate a feedback signal based on the adjusted parameters and the voltage of the device to be charged during the next charging, so as to calibrate the termination voltage of the device to be charged. In this way, the accuracy of the cut-off voltage of the device to be charged is improved, and the capacity utilization rate of the device to be charged is improved as much as possible on the basis of no overshoot phenomenon.

The invention discloses a BIM 5D-based cast-in-place concrete inclined cylinder construction method. The construction method is carried out according to the following operation steps in sequence: construction process animation simulation, inclined cylinder template processing, column steel bar construction and steel bar cage adjustment by a chain block, beam bottom horizontal template positioning, column inclination measuring tool manufacturing, column template die assembly and angle checking, frame body supporting and angle checking, concrete pouring and process monitoring, and die removal rechecking and maintenance. The invention further provides a measuring tool. The method and the tool are high in practicability and functionality and can be widely applied to the technical field of inclined cylinder buildings.

The invention discloses welding equipment for air inlet temperature and pressure sensor machining, and belongs to the technical field of sensor machining. The welding equipment comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with the lower surface of an equipment box, the upper surface of the equipment box is fixedly connected with the lower surface of a welding table, and a control panel is arranged on the upper surface of the welding table; a warning lamp is arranged on the left side of the front face of the control panel. According to the welding device, the bottom plate, the equipment box, the welding table, the welding mechanism, the supporting assembly, the side plates, the top plate, a sliding way and a spring are arranged, the welding stability of the welding device is effectively improved by limiting a workpiece in multiple directions, meanwhile, a baffle is in a movable state and is in linkage with the two side plates through a connecting rod, and the purpose of calibrating the workpiece in the clamping process is effectively achieved; the high-precision welding requirement of sensor machining is guaranteed, and the product quality is improved.

The invention discloses a microphone calibrator and a calibration method thereof. The microphone calibrator comprises a muffler, a mounting section for a microphone to be calibrated, a mounting section for a standard microphone and a sound source which are sequentially connected from front to back, wherein the mounting section for a microphone to be calibrated is provided with a mounting hole fora microphone to be calibrated, and the mounting hole is used for mounting the microphone to be calibrated; and the mounting section for a standard microphone is provided with a mounting hole for a standard microphone, and the mounting hole is used for mounting the standard microphone. The calibration method comprises the following steps: mounting two standard microphones in two mounting holes of the different standard microphones in accordance with different frequencies, measuring a complex reflection coefficient r of the muffler, and then obtaining a complex sensitivity curve of the microphone to be calibrated; and enabling the sound source to respectively send out sound waves of different frequencies, obtaining the complex sensitivity curve of the microphone to be calibrated, and thus achieving the purpose of calibrating the microphone to be calibrated. The invention can realize simultaneous calibration of a large number of microphones, thereby saving the calibration time. Besides, the invention can carry out phase calibration for a large number of microphones.

The invention provides a hinge assembly. The hinge assembly comprises a seat body, a plurality of hinge holes formed in the seat body and a reinforcing piece arranged at the inner side of a refrigerator body. The reinforcing piece is provided with positioning pieces which penetrate through the refrigerator body and are matched with the hinge holes. A protruding block is arranged on the hole wall of each hinge hole or on one of the positioning pieces. When the positioning pieces are arranged in the hinge holes in a matched mode, the protruding block abuts against the hole wall of the corresponding hinge hole or the other one of the positioning pieces. The invention further provides a refrigerator provided with the hinge assembly. When a refrigerator door body is dislocated or is unparallel to the refrigerator body, the protruding block can be stressed and deformed by tapping the hinge seat body so that the hinge seat body can be displaced, and accordingly the position of the door body can be adjusted according to requirements. The hinge assembly and the refrigerator have the advantages of being easy to operate, low in cost, safe and reliable.

The invention relates to a calibration method and device for the elevator lift-car position, an elevator calibration system, computer equipment and a storage medium. The method comprises the steps that a first distance and a second distance corresponding to a current position where an elevator lift-car runs to are obtained; the first distance and the second distance are measured and obtained by distance detecting devices, and the distance detecting devices are arranged at the top and / or the bottom of the elevator lift-car and at the top and / or the bottom of a counterweight; the change tendencyof the first distance corresponding to different positions where the elevator lift-car runs to is opposite to that of the second distance; the first distance and the second distance after calibrationof the current position are obtained according to the first distance and the second distance of the current position and a distance calibration model; and the calibration is performed on the currentposition of the elevator lift-car according to the first distance and the second distance after the calibration of the current position. By means of the calibration method for the elevator lift-car position, the purpose of performing the calibration on the elevator lift-car position is realized, so that the measuring accuracy of the elevator lift-car position is improved.

The invention provides a method and system for calibrating a transient fuel consumption meter. The method includes: acquiring all transient fuel consumption values of the transient fuel consumption meter within a preset time period through a controller, and weighing total consumed fuel flowing through the transient fuel consumption meter within the preset time period through an electronic scale; calculating a difference value between total fuel consumption corresponding to the sum of all transient fuel consumption values and the total consumed fuel through the controller; when the difference value exceeds a preset difference value, adjusting the transient fuel consumption value of the transient fuel consumption meter according to the difference value to acquire a display transient fuel consumption value to enable a display value of the transient fuel consumption meter to be within an error range so as to achieve the objective of calibration. In the process, only a data collection device and a weighing device are needed, so that calibration of the transient fuel consumption meter is completed simply and conveniently.

The invention discloses a harmonic and inter-harmonic angle calibration method and system based on fundamental wave angle calibration in the technical field of power data measurement. The method comprises the following steps: collecting analog signals of the specified voltage and current; converting the collected analog signals of the voltage and the current into digital signals; performing fundamental wave angle calibration on an angle difference generated between the analog signal and the corresponding digital signal due to hardware delay to obtain a fundamental wave angle correction value; according to the fundamental wave angle correction value, obtaining angle correction values of harmonic waves and inter-harmonic waves through calculation, wherein the angle correction values are used for calibrating the angle difference of the harmonic waves and the inter-harmonic waves generated by hardware delay. The purpose of calibrating the harmonic wave and inter-harmonic wave angle difference generated by hardware time delay is achieved.