35results about How to "Guaranteed reading accuracy" patented technology

The invention belongs to the weighing and packing technical field and relates to a sensor weighing module for an automated production line. The sensor weighing module of the invention comprises a base, a beam type sensor and a bearing plate; the module also comprises supporting columns for supporting the bearing plate, wherein at least two supporting columns which are symmetrically distributed at two ends of the bearing plate along the central line of the bearing plate exist; one of opposite surfaces of each supporting column and the bearing plate is provided with a spherical matching part, and the other surface of the opposite surfaces is provided with a hemisphere-shaped spherical groove which is shaped to match a position which is matched with the hemisphere-shaped spherical groove; and along a vertical direction, a distance left between the spherical groove and the spherical matching part is equal to the set pressed sinking height of the bearing plate. The sensor weighing module of the invention can satisfy weighing accuracy requirements. The sensor weighing module has the advantages of work flexibility, high fault tolerance rate, low installation precision requirement, reliable operation and further prolonged service life.

The invention discloses a waterproof and dustproof apparatus of a vertical plumb coordinatograph and an installation method thereof. The apparatus comprises a box body and a cover plate, wherein the box body and the cover plate are in a full-transparent mode. The box body has a U-shaped structure and clamp grooves B are formed in the tops of the two sides. The cover plate is in an inverted-U shape and the two sides of the bottom are inserted into the clamp grooves B. A vertical cylinder that is arranged vertically is fixedly connected to the middle part inside the box body; a rectangular hole corresponding to the vertical cylinder is formed in the middle part of the top end of the cover plate; a clamp groove A matching the top end of the vertical cylinder is formed around the rectangular hole; and the top end of the vertical cylinder is inserted into the clamp groove A. According to the invention, a vertical plumb coordinatograph is fixedly installed in a sealed apparatus and thus the whole vertical plumb coordinatograph can be protected well, thereby effectively eliminating adverse factors like external moisture, dust and dropped slag stones and providing a long-term stable working environment for the vertical plumb coordinatograph.

The invention discloses a manufacturing method of an integral linear motion positioning system based on a grating measuring technology. The method comprises the following steps: manufacturing of grating lines on a linear motion component: grinding and polishing the surface of the linear motion component, and then making a grating line structure on the surface of the linear motion component; coating of a grating line protection film: coating the surfaces of the grating lines with a layer of SiO2 protective film; manufacturing of a compact reflective grating reading head: composing a photoelectric conversion part with an LED (Light-Emitting Diode) light source and a grating sensor, and then composing a complete compact reflective grating reading head by a subdivision circuit part; assembling the grating reading head. When the integral linear motion positioning system disclosed by the invention is applied to a numerically-controlled machine tool and a measuring instrument, complex debugging loops during installation of the grating can be omitted, an Abbe error can be avoided effectively, measuring uncertainty is lowered, and the positioning and measuring accuracy of equipment is increased; the method has a wide market prospect and a high popularization and application value.

The invention discloses a testing device for the jetting precision of a jet pump. The testing device comprises a shell, an expansion body separator and a real-time reader. Scales are arranged on the side wall of the shell, an inner pipe stretching into the shell is arranged on the side wall of the bottom end of the shell, a liquid inlet pipe used for being connected with a jetting pipe of the jet pump is arranged on the outer side of the inner pipe, and a gas-liquid outlet and a liquid backflow port are formed in the top end of the shell. The expansion body separator is arranged at the top end of the shell and comprises a spherical outer shell and a spherical inner shell. A discharging port is formed in the outer wall of the spherical outer shell, and the spherical outer shell communicates with the liquid backflow port. The spherical inner shell is fixedly arranged in the spherical outer shell, a plurality of radial spraying pipes are arranged on the circumferential wall of the spherical inner shell and are aligned with the inner wall of the spherical outer shell, and the gas-liquid outlet penetrates the spherical outer shell and communicates with the spherical inner shell. The real-time reader is used for reading the volume variation of liquid in the shell in real time through a differential pressure sensor. The testing device can accurately detect the jetting precision under different jetting flow degrees.

An image reading apparatus includes a reader, a transmitter, an opposing part that is placed opposite to the transmitter, and a hardware processor that controls a position of the opposing part such that a gap between the transmitter and the opposing part becomes a first gap when images are read by the reader, and a gap between the transmitter and the opposing part becomes a second gap, which is wider than the first gap, when no image is read by the reader.

The invention relates to a preparation method of a terbium-doped calcium sodium phosphate glass ceramic photostimulated luminescence material. The general formula of the material is 25Na2O-23CaO-6P2O5-44B2O3-2ZrO2-xTb4O7, wherein in the formula, x=0.1-1. The method comprises the following steps: sodium carbonate, calcium carbonate, ammonium dihydrogen phosphate, boron oxide, zirconium oxide and terbium oxide are taken as raw materials, mixed sufficiently and pre-sintered, obtained molten glass is quickly poured into a stainless steel mold, calcium sodium phosphate glass is prepared, ground into powder, annealed and pressed into round sheets, the round sheets are placed into a muffle furnace for heat treatment, NaCaPO4 crystals are separated out from the glass, and the terbium-doped calciumsodium phosphate glass ceramic photostimulated luminescence material is obtained. The material has good optical properties, high sensitivity and wide dose response range (0.01-1000 Gy), can be applied to personal dosimeters, environmental dosimeters, medical dosimeters and the like and is an ideal photostimulated luminescence material for detecting radiation dose.

The invention relates to the technical field of server production, and discloses a control method and device for a group disk array, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring disk array parameters and hard disk parameters; determining target hard disk information for the group of disk arrays based on the hard disk parameters; and based on the target hard disk information and the disk array parameters, executing an operation of assembling a disk array. According to the method and the device, the scripts of the group RAID need to be written frequently, and the group RAID can be automatically formed only according to the disk array parameters and the hard disk parameters, so that the development workload of writing the scripts of the group RAID is saved, the processing efficiency of the group RAID is improved, and meanwhile, the preprocessing difficulty of the server group RAID is reduced.

The invention relates to the field of gene engineering, and provides a sequencing method for increasing reading length. The method comprises the following steps: reading less than M nucleotide sequences after the anchor extension tail end with enzyme digestion identification site by using a connection sequencing method, and identifying the enzyme digestion identification site carried by the anchor and carrying out enzyme digestion by ingeniously using the cutting endoenzyme; reserving less than N nucleotides after the anchor extension tail end; sealing the positions of the corresponding quantities of nucleotides which have been read; connecting a fluorescence probe for detection after the reserved nucleotides, and reading the information of the nucleotide sequences in the subsequent positions, thereby achieving the goal of increasing the reading length. By using the quantity of the nucleotides reserved after the controlled digestion of the cutting endoenzyme, the invention can ensure the high fidelity of the ligase, thereby ensuring the reading accuracy of the subsequent nucleotide sequence information.

The invention discloses an anti-interference electromagnetic-current-transformer-contained intelligent electric meter with the characteristic of rapid mounting and dismounting. A current transformer cavity is arranged inside a meter housing; and a plugging port is formed in the side of the current transformer cavity. An integrated current transformer is arranged in the current transformer cavity; leading-out terminals of wiring switches are connected with a conductor wire arranged inside the integrated current transformer and the other end of the conductor wire is connected with a relay. The integrated current transformer includes a heat-radiating shielding box; current transformer units are arranged in the heat-radiating shielding box uniformly; two wiring terminals of the current transformer units are connected fine elastic contacts connected with a reading mechanism; coarse elastic contacts are arranged at the two ends of the conductor wire; the fine elastic contacts and the coarse elastic contacts are arranged on the bottom surface of the heat-radiating shielding box uniformly; and sliding sides arranged at the two sides of the heat-radiating shielding box. With the electric meter, the interference on the electric meter reading number by an external magnetic field can be effectively prevented; the assembling speed and maintenance speed of the electric meter can be substantially improved; and the current transformer in the electric meter can be replaced and used repeatedly, so that the service life of the electric meter is prolonged.

The invention discloses a reading recognition method of a mechanical pointer pressure gauge. After image filtering and binarization processing, the center coordinates of the instrument dial are obtained through two times of Hough transformation. After the contour of the dial is extracted, the contour coordinate group is carried out. Polar coordinate transformation, and then take the center coordinates of the instrument dial as the center of the circle, perform scale search and recognition, obtain the dial scale area, and perform scale calibration in the scale recognition result area, obtain the calibrated two-dimensional vector about the angle and scale, and solve the scale recognition problem Convert to a two-dimensional vector to deal with the problem, and then construct a standard scale vector to calculate the distance between the two-dimensional recognition vector of the angle and the scale and the standard scale vector. At the minimum value of the distance between the two vectors, it is the start and end positions of the standard scale. And the pointer position is obtained by obtaining the minimum value of the average gray value of the inner ring of the scale ring; the advantage is to realize the automatic identification of the reading of the mechanical pointer pressure gauge and ensure the accuracy of the reading.

The invention discloses a spirit level for power transmission line n-shaped rod construction. The spirit level for power transmission line n-shaped rod construction comprises a span measuring ruler used for measuring the horizontal distance between two rod pits of an n-shaped rod and two depth measuring rulers arranged on the end portions of the span measuring ruler respectively. The span measuring ruler comprises a ruler sleeve and a telescopic ruler core sleeved inside the ruler sleeve. The outer surface of the ruler core is provided with a scale. A level gauge is arranged on the outer surface of the ruler sleeve. The depth measuring ruler comprises a lower ruler and a telescopic upper ruler sleeved inside the lower ruler. The outer surface of the upper ruler is provided with a scale. The spirit level for power transmission line n-shaped rod construction is convenient to use and capable of directly measuring the horizontal distance between the two rod pits and the perpendicular distance between the bottom faces of the two rod pits, offering instructive parameters for n-shaped rod construction, omitting a large number of calculation processes and improving the construction efficiency to a large extent. In addition, the spirit level for power transmission line n-shaped rod construction further has the advantages of being small in error, easy to transport and store and the like.

The invention relates to the technical field of weighing and packaging, in particular to a sensor weighing module used in an automatic production line. The present invention includes a base, a beam sensor and a load-bearing plate. This module also includes support columns for supporting the load-bearing plate. The support columns are at least two symmetrically located at both ends of the load-bearing plate along the center line; One of the opposing surfaces of the supporting pillar and the load-bearing plate is provided with a spherical matching part, and the matching part of the other surface of the above-mentioned opposing surface is arranged with a hemispherical spherical groove that matches each other; in the vertical direction , the distance between the spherical groove and the spherical matching part is equal to the set pressure subsidence height of the bearing plate. The present invention can not only meet the requirement of weighing accuracy, but also reflect its better working flexibility and flexibility. At the same time, the fault tolerance rate is higher, the installation accuracy requirement is lower, and the working reliability and even the service life can be further improved. .

Disclosed are a data processing method and apparatus. A processing device reads data blocks from a read data block queue; generates confirmation objects that are in a one-to-one association relationship with the data blocks, the confirmation objects being used for recording confirmation states of the data blocks having the association relationship; and establishes a confirmation queue comprising N confirmation objects, and executes persistent operations on the read and confirmed data blocks according to the confirmation states of the confirmation objects in the confirmation queue. Accordingly, the processing device determines, according to the confirmation states of the confirmation objects in the confirmation queue and the arrangement order of the confirmation queue, a previous data block of a data block whose confirmation state is unconfirmed and that is early read by the processing device, and it is not required to perform persistent operations on each data block that is read and confirmed, thereby reducing the processing pressure of persistent services in the case in which the data read precision is ensured.

The invention relates to an encoding method of a counter and in particular relates to an encoding method for a batching counter. The encoding method for the batching counter comprises the following steps of: sequentially manufacturing 360-deree circumference of the side surface of a character wheel into a first light-permeable strip, a first light-impermeable strip, a second light-permeable stripand a second light-impermeable strip, wherein the arc included angle of the first light-permeable strip is alpha, the arc included angle of the first light-impermeable strip is beta, the arc includedangle of the second light-permeable strip is theta and the arc included angle of the second light-impermeable strip is epsilon; and rotating a circle of the character wheel of the batching counter, sequentially generating twenty groups of different 5-bit binary numeric coding electric signals by a photoelectric sensor consisting of five pairs of light emitting tubes and photosensitive receiving tubes arranged at two sides of an encoding character wheel so as to correspond to ten numbers namely '0'-'9' on the character wheel of the batching counter, wherein each number corresponds to two groups of 5-bit binary codes. According to the encoding method for the batching counter in the invention, the encoding precision can be improved and the cost can be lowered.

The invention discloses a method for automatically interpreting slowly changing parameters of telemetry based on statistical characteristics of historical data, comprising: 1 constructing a database of historical models; 2 interpreting parameters according to; 3 unifying sampling points of valid data segments of parameter historical data to valid data of target data 4. Estimate the target data of the parameter; 5. Estimate the standard deviation of the parameter; 6. Divide the distribution of the target data into four intervals according to the estimation and standard deviation of the parameter target data: 0~1σ, 1σ~2σ, 2σ~3σ, 3σ~∞; 7 Statistical parameter target data probability distribution in each interval; 8 Potential abnormal parameter table obtained; 9 Potential abnormal parameter table obtained by artificial experts based on the above steps and obtained by analysis The auxiliary decision diagram checks the potential abnormal parameters one by one, and finally determines the abnormal parameters of telemetry during the flight. The invention overcomes the disadvantages of low manual interpretation efficiency and low data utilization rate, and saves a lot of manpower for the test process of the launch vehicle and the aircraft.

The invention discloses a concrete biaxial strength measuring device, comprising a mounting bottom plate, a metal frame, a first bracket, a first sleeve ring, a locking pin, first mounting blocks andsecond mounting blocks, wherein a plurality of balls uniformly arranged are movably connected to the inner sides of the first mounting blocks, a pressure cylinder is connected between the outer side of the first mounting block on either side and the metal frame on the same side, a first mounting plate is arranged on the inner side of each first mounting block, the inner side of each first mountingplate is fixedly connected with a pressure loading head, a second sliding rod is fixedly connected to the inner side of each second mounting block through two second brackets, a second sleeve ring movably sleeves each second sliding rod, the outer side of each second sleeve ring is connected with a second mounting plate through a steel rope, the inner side of each second mounting plate is movablyhinged to a tension loading head, and a tension cylinder is connected between the outer side of the second mounting block on either side and the metal frame on the same side. The concrete biaxial strength measuring device can overcome the deficiencies in the prior art and has more accurate tensile strength test data.

The invention discloses a dial image conversion method and system for a pointer type measuring instrument, and the method comprises the steps: obtaining dial images of the pointer type measuring instrument at equal time intervals, enabling every S dial images to form a group, employing the same pulse equivalent for each group of dial images to calculate the corresponding pulse number and remainder, and enabling the remainder not to be abandoned, instead, the remainder being used for calculating the pulse number corresponding to the next group of images, so that the total pulse number (the sum of all the pulse numbers) is not lost when the pointer type measuring instrument performs reading detection each time, and the reading accuracy is ensured; meanwhile, the pulse numbers corresponding to the dial images in each group being slightly different, so that the frequency change is directly reflected, namely the flow change of the pointer type measuring instrument being reflected, and a tester can more intuitively observe the flow change and the feedback capability of a measured object.

The present invention relates to the technical field of vehicle lamps, in particular to a detection device for the torque of a dimming motor for a lens module, comprising: a bottom frame, a support frame installed on the upper end surface of the bottom frame, and a The upper surface of the support frame is fixedly connected with an outer frame, and the outer frame is rotatably connected with a cover plate; the bottom end surface of the cover plate is hinged with a support plate; the support plate is kept horizontal through a stabilizing part; the cover plate can be closed On the display screen, so that the cover plate can block the stains, and then protect the display screen, so as to ensure the accuracy of the reading of the display screen and further improve the detection accuracy. At this time, the support plate is horizontal under the cover plate, and the support plate Hidden between the cover board and the display screen; the cover board can be stored in the outer frame, at this time the support board is horizontally above the display screen, and is in an exposed state. At this time, the support board is suitable for placing tools, such as cleaning rags, etc., and then can Quickly cleans the display.

The invention discloses a reference current obtaining circuit, a read-only memory and an electronic device. The reference current obtaining circuit comprises a current mirror circuit, a switch circuit, a pull-down circuit and a pulse generation circuit, wherein the current mirror circuit is suitable for outputting a reference current according to the reference current, and comprises at least one current input branch and at least one current output branch; the at least one current input branch and the at least one current output branch are connected at a reference node; the reference current is input to the first end of the switch circuit; the second end of the switch circuit is connected with the at least one current input branch; a chip selection signal is input to the control end of the switch circuit; the chip selection signal controls the reference current to flow into the at least one current input branch; the pull-down circuit provides a discharge path to ground for the reference node; and the pulse generation circuit is suitable to control the discharge path to be switched on under the edge triggering of the chip selection signal in a preset power-on time according to the chip selection signal and to control the discharge path to be always kept switched off after the preset power-on time. The problem that the reference current provided for a sensitive amplifier in the read-only memory is instable can be solved.