93results about How to "Does not affect accuracy" patented technology

The invention discloses a GIS field-electricity fusion real-time state sensing and early warning system and method. The system comprises a signal synchronous acquisition and measurement embedded device and an industrial personal computer, and a simulator, a position searcher and an early warning device are deployed in the industrial personal computer; when the embedded device monitors that the electromagnetic field signal in the GIS contains the partial discharge signal according to the strong correlation characteristics, obtaining a full time domain oscillogram containing a time domain oscillogram and a frequency domain oscillogram of the partial discharge signal; the simulator performs coarse positioning on the partial discharge source based on the full time domain oscillogram of GIS partial discharge, and performs simulation enhancement calculation by taking a coarse positioning result as an initial injection point to obtain simulation enhancement data of the partial discharge source; the position searcher carries out iterative search on the actually measured discharge intensity obtained through calculation according to the full-time-domain oscillogram and the simulation enhancement result, and the actual discharge position of the partial discharge source is obtained; the early warning device carries out early warning based on the time domain full waveform and early warning information including the actual discharge position of the partial discharge source.

The utility model relates to the technical field of industrial CT (Computed Tomography), and discloses a multi-angle support rack for industrial CT detection, which comprises a base, a placing plate is arranged on the upper side of the base, a servo motor is fixedly connected to the top of the placing plate, a hollow disc is rotatably connected to the top of the servo motor, and the hollow disc is fixedly connected to the top of the placing plate. The output end of the servo motor penetrates through the hollow disc and is fixedly connected with a driving bevel gear, a plurality of lead screws are rotatably connected to the periphery of the inner side of the hollow disc at equal intervals, driven bevel gears are fixedly connected to one sides of the outer walls of the lead screws, and the multiple driven bevel gears are connected with the periphery of the top of the driving bevel gear in an engaged mode. According to the utility model, the servo motor can drive the driving bevel gear to rotate, the driven bevel gear can rotate along with the driving bevel gear, and at the moment, the arc-shaped clamping plate can move back and forth on the outer side of the sliding rod along with the arc-shaped clamping plate, so that workpieces with different sizes can be limited and fixed, the workpieces are not easy to shake, and the accuracy of an industrial CT detection result cannot be influenced.

The invention relates to the technical field of rope saw cutting devices and cutting processes thereof, and particularly discloses a static force dismantling rope saw cutting device and a cutting process thereof. Which comprises a diamond wire sawing machine and a diamond wire saw matched with the diamond wire sawing machine, and is characterized by further comprising a bracket, a walking mechanism and positioning mechanisms, the walking mechanism is arranged on the bracket, the diamond wire sawing machine is arranged on the walking mechanism and driven by the walking mechanism to move on the bracket, and the positioning mechanisms are symmetrically arranged at one end of the bracket; the guide wheel mechanism is matched with the diamond wire saw to guide the diamond wire saw; on one hand, equipment is limited through the positioning mechanism and is stabilized at the set position, cutting is facilitated, cutting accuracy is improved, on the other hand, the height of one end of the bracket can be adjusted through the screw, the heights of the two ends of the bracket are consistent, and the bracket is in a horizontal state; in this way, the cutting accuracy is not affected when the diamond wire sawing machine moves.

The invention discloses a signal synchronous acquisition and measurement embedded device and an early warning system, and the device comprises a signal acquisition position determination module which is used for determining the installation position of each sensor in a signal acquisition module; the signal acquisition module is used for acquiring electromagnetic field signals in the GIS; the signal processing front end is used for carrying out signal conditioning on the electromagnetic field signal transmitted by the signal acquisition module and transmitting the conditioned signal to the analog-to-digital converter; the analog-to-digital converter is used for converting the conditioned signal into a digital signal from an analog signal and then transmitting the digital signal to the signal measurement module; the signal measurement module is used for monitoring the digital signal based on strong correlation characteristics obtained through pre-screening, and obtaining a full time domain oscillogram containing a time domain oscillogram and a frequency domain oscillogram of a partial discharge signal when it is determined that the partial discharge signal is monitored, and the strong correlation characteristics comprise a time domain strong correlation characteristic and a frequency domain strong correlation characteristic; according to the invention, high-precision synchronous detection of GIS partial discharge time domain full-waveform data can be realized.

The invention provides a dialogue method and device, equipment, a storage medium and a program product. The dialogue method comprises the steps that an intention and a slot position value are recognized from input information; based on the intention and the slot position value, determining a dialogue strategy through a dialogue management model; wherein the dialogue management model is constructed on the basis of a large language model, the dialogue management model is trained on the basis of general dialogue data and sample dialogue data of a target dialogue field, and the target dialogue field refers to the dialogue field to which the input information belongs; and generating reply information of the input information based on the dialogue strategy. The dialogue flexibility can be improved.

The utility model relates to the technical field of safety belts, and specifically relates to a safety belt integral slip reliability tester comprising a support which is a main body frame structure of the utility model; the supporting plate is located on the front side of the support; the supporting rods are uniformly arranged on the periphery of the top of the supporting plate; and the rubber caps are arranged at the tops of the supporting rods. The defects in the prior art are overcome, the supporting plate is arranged on the top of the push rod, the supporting rods are arranged on the periphery of the top of the push rod, and the rubber caps are arranged on the tops of the supporting rods, so that when the push rod needs to be used for supporting the seat plate and placing a dummy, the four positions of the bottom of the seat plate can be supported through the connected supporting rods; moreover, the connection friction force can be increased through the rubber cap, the situation that the seat plate above shakes and the placement of the dummy is affected is prevented, the actual falling track of the seat plate when the seat plate falls is not affected, and the accuracy rate during testing is not affected.

The invention relates to the technical field of power distribution network fault recognition, in particular to a multi-source power failure information fusion method and device, computer equipment and a storage medium, and the method comprises the steps: collecting power failure information, and extracting power failure feature information as an evidence source; calculating a probability distribution function value of each evidence source, and generating a fault table with binary attributes; calculating a conflict coefficient and a conflict distance between the same evidence sources through the fault table, and obtaining a conflict distance matrix between the evidence sources; whether off-diagonal elements in the conflict distance matrix meet classification conditions or not is judged through a set conflict distance threshold value, classification is carried out, and evidence source classification is formed; and fusing the evidence sources in the evidence source classification by using an improved D-S fusion rule to obtain a fusion result. According to the method, the conflict coefficient and the conflict distance between the evidences are measured, so that the accuracy of the fusion result is not influenced when the evidences conflict, and the power failure reason can be accurately identified.

The application provides a detection method and a carrying device. The method comprises the following steps: generating a first point cloud set based on a first preset pose of a target object and a preset template point cloud set; moving the carrying device according to the first preset pose to enable a detection device to collect a second point cloud set of the target object; registering a first point cloud of the first point cloud set and a second point cloud of the second point cloud set to obtain a second point cloud matched with the first point cloud; generating a third point cloud set and a fourth point cloud set respectively according to a plurality of matched first point clouds and second point clouds; calculating a translation vector and a rotation matrix based on the third point cloud set, the fourth point cloud set and a preset solving function; and transforming the first preset pose according to the translation vector and the rotation matrix to obtain a target pose of the target object. Since the second point cloud set necessarily contains an accurate second point cloud, the translation vector and the rotation matrix can be accurately calculated through the registered first point cloud and the second point cloud, so that the target pose of the target object can be accurately detected.

The present invention relates to the field of gene detection technology, and in particular to a method for synchronously detecting soybean protein and wheat protein allergen genes by droplet digital PCR. The method comprises: extracting DNA of the sample to be tested, performing PCR amplification using a primer and probe combination, and judging whether the sample to be tested contains soybean protein allergens or wheat protein allergens according to the amplification result. The primer and probe combination comprises a primer pair shown in SEQ ID NO.1‑2, 4‑5 and a probe shown in SEQ ID NO.3, 6. The present invention designs specific primers and probes for specific targets of soybean allergen protein gene β‑conglycinin and wheat allergen protein gene α / β‑gliadin. The two sets of primers and probes can be used in an amplification system, and the soybean protein and wheat protein allergen genes in the sample can be detected by one reaction, which is of great significance in the allergen detection system.

The invention relates to the technical field of soil detection, in particular to a soil substrate detection device which comprises a detection base, a detection mechanism is arranged in the detection base, an electric telescopic rod is arranged on one side of the upper end face of the detection base, and the upper end of the electric telescopic rod is connected with a driving mechanism and connected with a sampling mechanism through the driving mechanism. A water storage barrel is arranged on one side of the detection base, a water pump is arranged in the water storage barrel and connected with a water conveying pipe extending to the upper end face of the water storage barrel, and the water conveying pipe communicates with the interiors of the detection mechanism and the sampling mechanism. According to the device, the position of the sampling mechanism can be rapidly adjusted according to needs for rapid sampling detection, and the interior of the detection device and the interior of the sampling device can be scoured and cleaned after detection, so that the service life of the device cannot be influenced by soil corrosion, and meanwhile, the accuracy of next detection cannot be influenced.

The application discloses a light-proof flow cell and relates to the field of particle counter accessories, which comprises a first shell and a second shell, flow holes are formed in the first shell and the second shell, a wear-resistant light-blocking layer is arranged between the first shell and the second shell, a plurality of first plug-in holes are formed in the second shell, and a plurality of corresponding first plug-in columns are arranged in the plurality of first plug-in holes. The first shell and the second shell are made of quartz diamond material, and the hardness is high, so that the contact with the detection liquid is diamond material, the wear resistance can be improved, the first plug-in hole and the first plug-in column are arranged at four corners and are matched, and the butt joint precision is improved, so that the grinding effect of the flow holes by the grinding liquid can be effectively reduced, the phenomenon that the pore size of the flow cell becomes large can be avoided, and therefore the accuracy is not greatly affected during counting, and the stability during use and the counting accuracy are improved.

The utility model relates to a float type grass tortoise culture water quality monitoring device, which belongs to the technical field of water quality monitoring, and comprises two floating frame bodies, two air floating bags and a water quality monitoring device body, the air floating bags are fixedly arranged on one side of the floating frame bodies, and the two air floating bags are distributed in a mirror symmetry manner; two connecting supporting rods in mirror symmetry are fixedly connected to the sides, away from the air floating bag, of the floating frame bodies, reinforcing floating balls are fixedly connected to the ends, away from the floating frame bodies, of the connecting supporting rods, and an adjustable mechanism is installed between the opposite sides of the two floating frame bodies. The buoy type grass tortoise culture water quality monitoring equipment can provide a function of increasing the overall bearing capacity and balance, can effectively resist the impact force of water flow, also provides a size adjustment function, can be adapted according to water quality monitoring equipment bodies of different sizes, further improves the stability, and is suitable for popularization and application. Therefore, the representativeness and reliability of the monitoring data are ensured.

The present invention discloses a capacitive flexible touch screen based on boron nitride and a preparation method thereof. The capacitive flexible touch screen includes a multifunctional film layer, a flexible film cover, a polarizer, a transparent insulating boron nitride-based touch electrode module, a film encapsulation layer, a flexible support layer, a buffer layer and a flexible metal layer from top to bottom; the transparent insulating boron nitride-based touch electrode module includes a first boron nitride layer, an upper indium tin oxide film, a second boron nitride layer, a fifth optically transparent adhesive OCA layer, a third boron nitride layer, a lower indium tin oxide film and a fourth boron nitride layer from top to bottom; the first boron nitride layer, the second boron nitride layer, the third boron nitride layer and the fourth boron nitride layer are all hexagonal boron nitride layers. The capacitive flexible touch screen based on boron nitride of the present invention has high transparency, good electrical insulation and strong chemical stability, and has high performance and reliability.

The invention discloses a finite information distribution network fault positioning method based on voltage calculation deviation. The method mainly comprises the following steps: firstly, constructing a node impedance matrix according to the structure and parameters of a distribution network; judging whether the power distribution network has a short-circuit fault or not according to the power distribution network node monitoring system based on a small number of monitoring points; when a fault occurs, a node current equation is solved through a basis tracking algorithm according to a small amount of measuring point data obtained by a monitoring system, and a fault interval is judged by observing an obtained reconstructed node current vector. Then, a fault positioning method based on interval downstream node voltage calculation deviation is provided by utilizing the relation between a measurement point interval downstream node voltage calculation value and a measurement voltage value where a fault interval is located, fault positioning is preliminarily realized, and then a post-fault full-node voltage value of a system is deduced according to a reconstructed node current vector, so that the fault positioning accuracy is improved. And calculating the deviation by using the downstream node voltage of the fault section to further locate the fault position, and finally realizing the fault location of the power distribution network in combination with the measurement information and the reconstruction information.

The present application discloses a vertical federated learning modeling optimization method, device, medium and program product, which are applied to the first federated participant, and the vertical federated learning modeling optimization method includes: when receiving the training intermediate parameters sent by each second federated participant, using each training intermediate parameter that arrives on time as the current round of federated learning intermediate parameters, and selecting each backup machine from the second federated participant corresponding to each training intermediate parameter that fails to arrive on time; extracting the training intermediate parameters previously sent by each backup machine from the preset backup pool as the compensation federated learning intermediate parameters; and performing vertical federated learning modeling based on each current round of federated learning intermediate parameters and each compensation federated learning intermediate parameters. The present application solves the technical problem of low efficiency of vertical federated learning modeling in the prior art.

This invention discloses a bending fatigue enhancement structure for flat cables, relating to the field of flat cable technology. It includes a wear-resistant outer sheath, a flexible skeleton, an elastic inner liner, and a composite conductor bundle. The wear-resistant outer sheath covers the flexible skeleton, with bending stress cores at the outer ends. The flexible skeleton is internally covered by an elastic inner liner, which contains two spaced-apart composite conductor bundles. The flexible skeleton has grooves filled with an anti-oxidation coating layer, within which the bending stress cores are fixed. The interior features stress-dispersing adhesive grooves intersecting with the grooves, and high-toughness reinforcing ribs with abrasion-resistant protective sleeves are installed at the four corners. The elastic inner liner has a water-blocking tape wrapping layer on its outer side and a flame-retardant isolation layer inside. The composite conductor bundles are wrapped with cable core fixing rings and an electromagnetic shielding layer. This structure, through multiple stress dispersion, protection, and positioning designs, significantly improves the cable's bending fatigue resistance, ensuring stable transmission and safe operation, and is suitable for high-frequency bending scenarios.

This application relates to a data storage method, apparatus, vehicle, electronic device, and storage medium. The method includes: determining the computation order of N operators included in a neural network; determining M operators from the N operators based on the computation order; calculating the i-th operator among the N operators according to the computation order to obtain the output of the i-th operator; if the i-th operator is one of the M operators, then saving the output of the i-th operator to a first type of storage space, wherein the output of the i-th operator saved in the first type of storage space cannot be deleted after calculating the (i+1)-th operator but before calculating the k-th operator; if the i-th operator is not one of the M operators, then saving the output of the i-th operator to a second type of storage space, wherein the output of the i-th operator saved in the second type of storage space can be deleted after calculating the (i+1)-th operator. This method can solve the problem of excessive memory consumption during the computation of a neural network model.

The present invention discloses a wheel tread out-of-roundness detection system and detection method, belonging to the field of rail transit technology. The detection system of the present invention includes a front mechanism and a detection mechanism installed on the track in sequence along the direction of train entry into the depot, and the detection mechanism includes a pedal assembly, a first sliding plate, a second sliding plate and a fixed plate assembly installed on the inner side of the track and parallel to each other, wherein the first sliding plate and the pedal assembly and the fixed plate assembly, and the second sliding plate and the fixed plate assembly are all slidably connected through a slide rail mechanism, the second sliding plate is connected to the first sliding plate through a bearing, and the first sliding plate is connected to a lifting drive mechanism and is also connected to the pedal assembly through an elastic element. The technical solution of the present invention can be used to perform real-time dynamic detection of the radial runout of the train when the train is running at high speed, and its detection accuracy is effectively improved compared with the existing detection mechanism, and the structural stability of the detection device is good.

The invention discloses an embedded device for synchronous signal acquisition and measurement and an early warning system, comprising a signal acquisition position determination module for determining the installation position of each sensor in the signal acquisition module; a signal acquisition module for acquiring electromagnetic field signals inside a GIS; a signal processing front end for performing signal conditioning on the electromagnetic field signals transmitted by the signal acquisition module, and transmitting the conditioned signals to an analog-to-digital converter; an analog-to-digital converter for converting the conditioned signals from analog signals into digital signals and then transmitting them to a signal measurement module; a signal measurement module for monitoring digital signals based on strong correlation features obtained in advance screening, and obtaining a full time domain waveform diagram including a time domain waveform diagram and a frequency domain waveform diagram of the partial discharge signal when it is determined that a partial discharge signal is monitored, wherein the strong correlation features include time domain strong correlation features and frequency domain strong correlation features; the invention can realize high-precision synchronous detection of GIS partial discharge time domain full waveform data.

This utility model discloses a material shortage detection device for a slitting machine, mainly relating to the field of slitting machine feeding. It includes a feeding platform for placing pads, with the pads stacked on the platform. A detection block is located below a through hole, and a sliding column is vertically slidably connected to the detection block. A roller is rotatably connected to the top of the sliding column, passing through the through hole and rolling into contact with the bottom of the lowest pad. A return spring is provided between the sliding column and the detection block. A pressure sensor is installed on the detection block, and a protrusion on the sliding column cooperates with the pressure sensor. An alarm is installed on the feeding platform, and the pressure sensor is electrically connected to the alarm. The advantages of this utility model are: it solves the technical problems of high failure rate and insufficient accuracy of existing material shortage detection devices; it promptly issues an alarm when the pads are depleted, thus reminding the operator to replenish the material; and it is not easily affected by impurities and residual glue, ensuring the accuracy of material shortage detection and greatly reducing the failure rate.

The invention discloses an identity identification method and system suitable for a controlled unit of a new energy plant station. The method comprises the following steps: generating a unique identity identifier of the controlled unit; constructing a sending real-time authentication channel and a receiving real-time authentication channel; each controlled unit generates a public and private key pair through an asymmetric encryption algorithm, sends a public key of the controlled unit to the optical fiber ring network, and receives and stores public keys of other controlled units; each controlled unit generates a digital signature through a private key of the controlled unit and sends the signature to the optical fiber ring network, and other controlled units use public keys of senders to verify the signature and judge the validity of the identity of the controlled unit; if the identity is abnormal, sending report information for reporting; and judging that the identity of the controlled unit is abnormal after the report information of more than 1 / 2 of the controlled unit in the optical fiber ring network to the controlled unit is received. According to the invention, effective identification of malicious tampering of the controlled unit of the new energy plant station can be realized, and the service security level of the new energy plant station is improved.

The utility model relates to the technical field of transistor forming, and discloses a transistor forming die assembly which comprises an installation frame, storage grooves are formed in the installation frame, female die pieces are fixedly connected in the storage grooves, a first air cylinder is fixedly connected to the top of the installation frame, and a second air cylinder is fixedly connected to the top of the first air cylinder. The output end of the first air cylinder is fixedly connected with a first connecting plate, the interior of the first connecting plate is slidably connected with a guide rod, the interior of the mounting frame is slidably connected with a guide rod, the bottom end of the guide rod is fixedly connected with a second connecting plate, and the bottom of the first connecting plate is fixedly connected with a spring; the bottom ends of the springs are fixedly connected to the top of the second connecting plate. According to the transistor pin bending device, the first air cylinder and the second air cylinder are arranged, so that the pins of the transistors are bent, the pins of the transistors to be shaped are bent, the working efficiency is improved, the cutting blade is arranged, the pins of the transistors are cut, and the cutting accuracy is improved.

The utility model discloses a garment tailoring device for garment processing, which relates to the technical field of garment tailoring and comprises a stop lever, a cloth pressing plate is fixed at the bottom of the stop lever, a long limiting sliding groove is formed in the vertical center of the stop lever, and ear grooves are formed in the top end and the bottom end of two sides of the stop lever. Transparent thin plates are arranged on the outer sides of the two sides of the stop lever, transparent thin lug plates of the transparent thin plates are connected with the U-shaped blocks through bolt assemblies at the positions of the penetrating holes, and therefore the two transparent thin plates can be located on the two sides of the stop lever, and the exposed position between the saw blade and the stop lever can be shielded by the transparent thin plates. Potential safety hazards caused by the fact that a worker touches the saw blade from the position when adjusting the position of cloth and removing waste are avoided, the protection effect is good, meanwhile, the transparent thin plate and the transparent thin lug plate are transparent, and the accuracy of the worker observing cutting along the line of the saw blade cannot be affected.

The application discloses a large-capacity rotating hook, which is characterized in that an outer diameter of a first circular surface at a thread passing area of a hook frame is 1.0 times of that of a guide rail, and the first circular surface is concentric with the outer periphery of the guide rail. The thread is hooked by a hooking tip and is tightly wound on the thread passing area of the hook frame. The first circular surface of the thread passing area has an outer diameter of 1.0 times, and is concentric with the outer periphery of the guide rail. The thread demand in the winding stage is 1.0 times of the normal preset amount of the existing 1.0 times rotating hook, and the tension of the thread cannot be increased. On this basis, a multiplied inner hole cavity with an inner diameter of more than 1.0 times of a proper multiple is arranged, so that a bobbin with a larger thread capacity is installed and accommodated, and the thread capacity of the bobbin is improved. The application can increase the capacity of the inner cavity of the hook frame. In sewing and embroidering, the thread is wound on the corresponding position of the hook frame, the required amount of the thread is a standard normal thread amount, and the thread is released and recovered with a normal tension, so that the precision of sewing or embroidering cannot be affected.

The application relates to the technical field of flatness testing of air compressor parts, and discloses an isohypse detection device for air compressor machining parts, the upper end of a bottom plate body is provided with rotary driving mechanisms, two groups of part fixing mechanisms capable of being automatically adjusted to a horizontal state are arranged between the rotary driving mechanisms, the side of the rotary driving mechanism is provided with a limiting mechanism capable of locking the part fixing mechanism being detected, a horizontal driving mechanism is arranged on the bottom plate body, one side of the horizontal driving mechanism is provided with a vertical adjusting mechanism, and one side of the vertical adjusting mechanism facing the part fixing mechanism is provided with a laser measuring mechanism. The application can not only test the flatness of the parts through the two part fixing mechanisms, but also adjust the height of the laser measuring mechanism through the vertical adjusting mechanism, so that the parts with different thicknesses can be tested, and the laser measuring mechanism can be driven back and forth by the driving motor two for testing.

The invention discloses a fingerprint identification method and a fingerprint identification device. The fingerprint identification method comprises the following steps: receiving an input fingerprint image; m image blocks are obtained by dividing the input fingerprint image, and M is an integer larger than 1; calculating a score of each of the M image blocks by inputting the M image blocks into a neural network for fingerprint recognition; in response to the fact that the scores of N image blocks in the M image blocks have been calculated and the scores of the remaining image blocks except the N image blocks in the M image blocks have not been calculated, when the scores of the N image blocks meet a preset condition, stopping calculating the scores of the remaining image blocks, and identifying a fingerprint in the input fingerprint image as true or false, where N is an integer less than or equal to M.

The invention relates to a KASP-SNP molecular marker primer for identifying modern Chinese rose varieties, a composition and application of the KASP-SNP molecular marker primer and the composition. The molecular marker primer comprises KASP-SNP1-KASP-SNP35, and nucleotide sequences of the KASP-SNP1-KASP-SNP35 are shown as SEQ ID NO.1-105. On the basis of whole genome re-sequencing data, 35 high-polymorphism SNP loci are screened out, specific primers are designed, fluorescence signals of a sample to be detected are detected through a KASP technical platform, genotypes can be automatically interpreted, and a DNA fingerprint spectrum unique to varieties can be constructed. The marking system has the advantages of high flux, strong specificity, objective and stable result, no environmental influence and the like, and can be used for precise identification of modern Chinese rose varieties, genetic relationship and genetic diversity analysis, DUS test assistance and molecular marker-assisted selective breeding.

The invention discloses a particle classification and size measurement method and device based on interference imaging and improved UNet + + +, and belongs to the field of particle measurement and image processing. The method comprises the following steps: acquiring a spherical particle interference fringe pattern and an irregular particle interference speckle pattern, and constructing a data set containing a mask pattern and a category label; dividing into a training set, a verification set and a test set; the training set is used for training a pre-constructed neural network model, the pre-constructed neural network model takes an original UNet + + + network as a basis, a space and channel attention module, a frequency domain dynamic convolution unit and a multi-axis Hadamard convolution attention module are introduced, and the network is trained to output a reconstructed image and a category label at the same time; and inputting a to-be-measured particle image into the trained network, outputting a particle category and a reconstructed image, and measuring the reconstructed image to obtain size information. According to the method, high-precision, real-time and end-to-end prediction of particle types and sizes is realized, and the method is suitable for a mixed scene of spherical droplets and irregular ice crystals in cloud.

The invention discloses a partial power converter-based modular UPS parallel operation SOC equalization control method, and aims to solve the problem that the partial power converter-based modular UPS parallel operation lacks the SOC equalization control method, so that the charging / discharging current or power difference of a UPS backup battery is large, and local hot spots or local downtime is caused. The overall utilization rate of parallel operation of the UPS is improved, and the service life of a backup battery in the UPS is prolonged. When the MPPC-UPS adopts battery constant-current charging control, an SOCcharge equalization control scheme is adopted, and a charging current reference value is changed according to the real-time SOC change of the backup battery, so that SOC equalization of the backup battery in a charging state is realized; when the MPPC-UPS adopts load constant-voltage control, an SOCIDCharge balance control scheme is adopted, a load voltage reference value is changed according to the real-time SOC change of the backup battery, and the discharge current of the backup battery is indirectly changed so as to realize SOC balance in the discharge state of the backup battery.

The invention discloses a low-power-consumption high-speed two-stage dynamic comparator for an analog-to-digital converter, relates to the technical field of integrated circuits, and aims to solve the problems that a traditional dynamic comparator is high in power consumption, limited in speed and uncontrollable in balance between offset voltage and performance. The comparator comprises a two-stage dynamic structure of a pre-amplification stage and a latch stage, wherein the pre-amplification stage takes a PMOS transistor as an input tube and is matched with an NMOS switching tube and a PMOS active load tube to realize preliminary amplification of an input differential signal; the latch stage adopts a PMOS latch structure instead of a traditional NMOS latch structure. And through two paths of delay controllable clock signals (clkb1 and clkb2), the latch stage is controlled to be activated in a delayed manner after the preamplifier stage works for a preset time, and meanwhile, a current source of the preamplifier stage is closed when the latch stage is activated. By adjusting latch level delay time, offset voltage, power consumption and speed can be flexibly balanced, performance requirements of different analog-to-digital converters are met, and the analog-to-digital converter is suitable for scenes such as portable equipment, communication systems and the like with high requirements on energy efficiency and speed.