830results about How to "Quick exclusion" patented technology

The invention provides a compound tunnel shield suitable for construction of complex formation, relating to an architectural construction machinery. The compound tunnel shield comprises a compound cutter head suitable for construction of soft soil formation, hard rock formation, formation with uneven hardness and compound formation with both soft soil and hard rock; 3 excavation modes adopting an open mode, a local atmospheric pressure mode or an excavated surface stabilization mode of an earth pressure balance mode according to different geological characteristics of the geology, and a ground conditioning system; the cutter head is respectively provided with a soft soil layer construction tool and a hard rock layer construction tool, cutters are changed to adapt to different formations in the process of the construction thereof; addition agent is injected into the cutter head surface, a soil chamber or a screw conveyer and the addition agent and muck are mixed by rotary stirring of the cutter head, the soil chamber or the screw conveyer to adapt to different formations through ground conditioning. The invention solves the problem of safe construction of the tunnel shield in soft soil, decomposed rock, formations with uneven hardness, sand layer and sand gravel formation, etc.

An accounting system structured from a biller accounting device 100 connected to a database DB1 and a billee accounting device 200. Biller accounting device 100 sequentially receives input of billing data, some of which may be for appropriation in consolidated accounting, enters received billing data in database DB1, extracts any billing data not for appropriation from received billing data, outputs extracted billing data to billee accounting device 200, and excludes specified billing data entered in database DB1 from being appropriated. Billee accounting device 200 receives outputted billing data and notifies biller accounting device 100 of the receipt, and biller accounting device 100 excludes, as the specified billing data, billing data whose receipt is notified.

The invention provides a real-time data collecting and fault positioning system of a power distribution network and a working method thereof. The real-time data collecting and fault positioning system comprises transformer substation voltage collecting units, a plurality of line units, a real-time data server, a background monitoring computer and a handheld terminal, wherein each transformer substation is provided with one transformer substation voltage collecting unit; each transformer substation voltage collecting unit comprises one intelligent voltage detection terminal; each line unit comprises three fault positioning and data collecting sensors and one communication and calculation terminal; the intelligent voltage detection terminal, the communication and calculation terminal and the handheld terminal are in wireless communication with the real-time data server; the three fault positioning and data collecting sensors of the same line unit are in short-distance wireless communication with the communication and calculation terminal. The working method mainly comprises the step of carrying out real-time data collection and fault judgment. The information precision of power transmission line data which is collected in real time is high, short circuit and grounding faults are rapidly and accurately judged, the time of powering off and overhauling is shortened, the quantity of fault line patrolling workers is reduced and manpower and material resources are saved.

The system includes a field working station and a remote service center. The field working station runs the OPC data collection module and the network data releasing module conforming to TCP / IP protocol by using the OPC data collection and network data releasing application program, and is connected to the field control center through OPC interface. The remote service center runs the network terminal module conforming to TCP / IP protocol, the remote OPC server module and the remote control module supporting OPC interface by using network terminal application program and the remote OPC service application program. The network communication terminal module receives the field data released by the network data releasing module, and then releases the received data to the remote OPC service module by which the data is transmitted to the remote monitoring module.

The invention discloses an automatic encasement system for Lilezuan milk bag gift boxes. The automatic encasement system comprises a milk bag integration conveying line (1), a milk bag robot (2) and a milk bag unit conveying line (4), wherein a milk bag clamp (3) at the lower end of a manipulator of the milk bag robot (2) catches a milk bag unit on the milk bag integration conveying line (1) and pushes the milk bag unit into a corresponding milk bag unit separation slot (41) under the condition that the milk bag unit is in a horizontal state; then a small baffle plate insertion machine (5) inserts a small baffle plate into a middle clearance of the milk bag unit, and a horizontal pushing mechanism (6) is used for horizontally pushing the milk bag unit with the inserted small baffle plate into a packaging case already provided with a large lining plate on a packaging case conveying line (9); finally the packaging case already provided with the large lining plate, the small baffle plate and the milk bag unit is covered and encased to finish the whole automatic encasement process. According to the automatic encasement system for the Lilezuan milk bag gift boxes, the milk bag encasement operation is creatively changed from vertical encasement into horizontal encasement, so that the production operation is more stable, the maintenance is easy and convenient, and the workload can be reduced to the maximum extent.

The invention provides an IoT (Internet of Things)-technology-based refuse collection management system which comprises a decision management layer, a center dispatching management layer and a dock comprehensively-dispatching management layer from top to bottom. A data processing flow of the refuse collection management system is implemented in a logistics mode, and the refuse collection management system comprises an operating layer, a wharf dispatching layer, a center dispatching management layer and a decision management layer, wherein the operating layer generates operation information and then feeds back or transfer the operating information to the wharf dispatching layer through the system and each hardware device interface, and after the operating information is formatted, final statements and final reports are formed and uploaded to the center dispatching layer, and then the center dispatching layer organizes the final statements and the final reports and then transfers operating data to the decision management layer. The refuse collection management system comprises an operation monitoring command center (as an upper dispatching center) and an operation management subsystem comprising a transfer station operation management system, a wharf and storage-yard operation management system, a ship dispatching management system, a refuse wharf short-barge operation management system, an emergency dispatching command system and a data statistical analysis and statement management system.

The invention discloses a method for inspecting a single-phase earth fault point of a power distribution network. The method includes the following steps: (1) injecting a test current signal and current detection: inspecting a signal source through a single-phase earth fault, respectively injecting the test current signal with the current value of A1 into three phase lines of the inspected power distribution network in sequence, and adopting a current detection device to synchronously conduct current detection and record detection results when the test current signal is injected into any phase line; (2) judging the existence of the single-phase earth fault: analyzing the detection results recorded in the step one; (3) determining fault sections: comparing the current on the left side and the current on the right side of a signal injecting point on the detected fault phase line, and determining the fault sections of the fault phase line according to the comparative results. The method is simple in step, easy and convenient to operate, low in input cost, low in workload, low in working difficulty, good in using effect and capable of solving a plurality of problems in an existing method for inspecting the single-phase earth fault point.

A passive electro-optical tracker uses a two-band IR intensity ratio to discriminate high-speed projectiles and obtain a speed estimate from their temperature, as well as determining the trajectory back to the source of fire. In an omnidirectional system a hemispheric imager with an MWIR spectrum splitter forms two CCD images of the environment. Three methods are given to determine the azimuth and range of a projectile, one for clear atmospheric conditions and two for nonhomogeneous atmospheric conditions. The first approach uses the relative intensity of the image of the projectile on the pixels of a CCD camera to determine the azimuthal angle of trajectory with respect to the ground, and its range. The second calculates this angle using a different algorithm. The third uses a least squares optimization over multiple frames based on a triangle representation of the smeared image to yield a real-time trajectory estimate.

The present invention relates to a tracking method and a tracking device adopting multiple observation models with different life spans. The tracking method is suitable for tracking an object in a low frame rate video or with abrupt motion, and uses three observation models with different life spans to track and detect a specific subject in frame images of a video sequence. An observation model I performs online learning with one frame image prior to the current image, an observation model II performs online learning with five frames prior to the current image, and an observation model III is offline trained. The three observation models are combined by a cascade particle filter so that the specific subject in the low frame rate video or the object with abrupt motion can be tracked quickly and accurately.

The invention discloses an energy management system of offshore grid, comprising an information layer, a station control layer and a spacing layer, wherein the information layer, the station control layer and the spacing layer are respectively arranged in a central control station and the platform workstations of a plurality of offshore platform power stations distributed in a sea area; the station control layer is connected and communicated with the information layer and the spacing layer through a communication network; the system carries out the monitoring and control of each generator set, the monitoring and control of each breaker, the distribution, adjustment and control of the reactive power and reactive power contribution, the control of the preferential trip, the management and control of the loop start of a motor, and the cooperative control of the black start of the grid and a platform shutdown system through the information layer, the station control layer and the spacing layer. The invention has the characteristics of high channel speed and degree of automation, highly integrated function, safe and reliable work, easy maintenance, and flexible configuration.

The invention relates to an instruction-set-irrelevant binary code similarity detection method based on a neural network. The method mainly includes the steps that binary files are reversely analyzed, and 24 features on the 9 aspects of call relation features, character string features, stack space features, code scale features, path sequence features, path basic features, degree sequence features, degree basic features and map scale features of functions are extracted. Based on expression forms of the features, the similarity degrees of the 24 features of the two to-be-compared functions are calculated through 3 similarity calculation methods and serve as input vectors of an integrated neural network classifier, and predicted values of the overall similarity between the two functions are acquired and ranked. Compared with the prior art, dependence on specific instruction sets is avoided, similarity detection of binary files of different instruction sets can be achieved, accuracy is high, the technology is simple, and popularization is easy.

This device includes the following components. The control module consists of the work control board and the chipboard loaded corresponding programs. The storage module including the not-easy-lost memory stores classified various visiting data. The input module (IM) receives the image data and corresponding word info of various forms and certifications, e.g. the visiting form and ID card. IM is equipped with the second generation ID card scanner to obtain visitor's basic info. This device also includes a staff info management module, which manages via recording staff info. This invention improves the existed safe guard management system situation. It uses few manpower and resource to effectively complete qualified safe guard task. It also offers the staff info maintaining function. The user can add, delete and modify staff info at any time.

The invention relates to the field of building material, and in particular relates to cement-based self-leveling mortar, which takes sulphoaluminate cement as basic cementing material and quartz sand as aggregate, uses b-semi-hydrated gypsum to control the mortar not to contract and utilizes other additives to enable the prepared mortar to have the comprehensive performances required by the cement-based self-leveling mortar. The newly stirred mortar has the performances of high fluidity, self-leveling property, bleeding resistance and separation resistance; and the hardened mortar has the performances of shrink resistance, crack resistance, high surface hardness and good wear resistance. Compared with the existing self-leveling flooring mortar product with shrink resistance and crack resistance, the cement-based self-leveling mortar is low in production cost and wide in application scope.

The invention discloses a method for processing interphase short circuit of a three-phase non-effective grounding power supply system. The method comprises the following steps: when two-phase or three-phase interphase short circuit occurs in a line, maintaining one fault phase of the line to be conducted and tripping off other fault phases, and artificially grounding the other fault phase conducted with the fault phase or directly utilizing the existing grounding point; enabling a live-line phase or a neutral point of the three-phase non-effectively grounded power supply system except the fault phase to be circularly connected and disconnected with the ground, so that the live-line phase or the neutral point and the fault phase form a closed loop and generate a current pulse, and detecting the current pulse by a controlled switch; when a certain controlled switch reaches a trigger condition and cuts off a line, eliminating a fault. According to the method, the inter-phase short-circuit fault point interval can be quickly positioned, the fault can be automatically, quickly and accurately removed, the processing quality of the inter-phase short-circuit fault can be well improved, and the power supply safety is improved.

The invention discloses a method and system for predicting an insulation resistor fault of an electric car, and the method comprises the steps: building the system through employing a synchronous voltage sampling circuit, a control unit, a whole vehicle controller, a first bias resistor, a second bias resistor, an electronic switch K1, and an electronic switch K2; measuring a nominal voltage of a serial battery pack of the electric car and the nominal voltages of all cell modules; and calculating the equivalent parallel insulation resistance and the equivalent voltage source voltage of the system. The resistance values of all cell modules in the serial battery pack of the electric car are compared with the equivalent parallel insulation resistance, thereby achieving the on-line diagnosis of an insulation fault and the on-line positioning of the insulation fault. A plurality of equivalent parallel insulation resistance values of the system at different moments are calculated, and a curvilinear equation of time change with the equivalent parallel insulation resistance values is fitted, thereby achieving the prediction of occurrence remaining time of insulation faults of all stages.

The present application discloses a method for detection of insertion deletion mutation based on second generation sequencing, a device and a storage medium. The method comprises the following steps:comparing a sample to be tested with a file of a reference genome to extract a set of candidate mutation sites with mutation allele frequency being greater than or equal to a threshold; filtering to remove sites in a short tandem repeat region; making detail statistics of comparison information of the mutation sites and comparison information surrounding the mutation sites, wherein the comparisoninformation includes InDel site and reference base support number, comparison quality, coverage depth, surrounding non-reference base and other insertion deletion mutations, surrounding read quality;and filtering to remove sites that do not reach the set threshold according to statistical information to obtain mutation results. The method does not require partial assembly, and filters second-generation sequencing data in advance to quickly eliminate most of false positive results caused by the comparison, reduces detection running time and computing resources, improves detection efficiency, has strong sensitivity and specificity, and can quickly and accurately detect InDel mutations.

The invention relates to a oil-smoke purification and discharging device, which comprises a fan used for discharging gas to outside, and the inlet of the fan is connected with the outlet of a box-shaped gas flow controller; a plurality of air inlets are opened on the gas flow controller, and are respectively and correspondingly connected with the larger diameter ends of a plurality of conical cyclone tubes. Through the conical cyclone tubes, the invention can form a stronger air negative-pressure area, and can fast absorb the oil-smoke gas of a large area into the cyclone tubes, then the oil-smoke gas can fast rotate for purification and fast flow for discharging through the effective control of the gas flow controller without any noise, and the oil-smoke gas entering into the cyclone tubes undergoes the purification treatment, thereby enabling the discharged oil-smoke gas not to pollute the surrounding air environment, eliminating the pollution to the kitchen facilities caused by the large amount of oil-smoke during the cooking, and having the capability of fast and silently processing the oil-smoke.

The invention discloses an acceleration method in an image retrieval system in the technical field of computer information processing. The acceleration method comprises the following steps of: respectively extracting characteristic descriptors from a standard image and an image to be retrieved, and establishing a visual code book; establishing a random kd tree according to a seed point set and classifying the characteristic descriptors; performing vectorization processing and optimizing inverted indexes; and performing similarity search on the vector of the image to be retrieved in the optimized inverted indexes to accelerate the image retrieval system. The acceleration method can solve the problems of large calculation amount and long calculation time in the clustering process in the prior art, and improves the real-time property of the similarity search by optimizing the inverted indexes under the condition of ensuring the retrieval accuracy.

The invention relates to an air conditioner fault handling method and device. The method comprises the following steps of receiving a fault detection signal for detecting faults of an air conditioner; reading a prestored self-checking program from a storage chip of the air conditioner; running the self-checking program and detecting whether the air conditioner has a fault or not according to the operation state of the air conditioner; and when it is detected that the air conditioner has a fault, automatically repairing the air conditioner through the prestored repairing mode in the self-checking program. According to the method, the self-checking program is stored in a storage module of the air conditioner, so that the air conditioner automatically runs to conduct fault detection according to the program and automatically repair the fault after the fault is found, manual operation control is less, fault removal of the air conditioner is rapid and intelligent, and the effect is remarkable.

The invention discloses a vacuumizing lid rotating device of a hard bottle. The device comprises a lid rotating shaft, a lid rotating head, a vacuum cover, a main shaft sealing ring and an inflation clamping sealing ring; the lid rotating shaft is mounted on the vacuum cover through the main shaft sealing ring; the lid rotating head is fixedly mounted at the lower end of the lid rotating shaft, and is arranged in an inner cavity of the vacuum cover; the inflation clamping sealing ring is peripherally arranged on the side wall of the lower section of the inner cavity of the vacuum cover; the lid rotating head is positioned above the inflation clamping sealing ring; the inflation clamping sealing ring is communicated with a pressure gas source through a pressure gas access control device; and a vacuumizing joint is formed in the vacuum cover above the inflation clamping sealing ring, and is connected with the inner cavity of the vacuum cover and a vacuumizing device. The vacuumizing lid rotating device greatly improves the tightness of the inner cavity of the vacuum cover, largely reduces the vacuumizing energy consumption, shortens the vacuumizing time, is high in production efficiency, is more reliable in clamping of the bottle, and prevents the conditions of fracturing damage of the bottle caused by overhigh inflation pressure and incomplete sealing of a vacuum chamber caused by overlow pressure.

The invention provides an industrial equipment fault diagnosis method and system based on a knowledge graph. The method comprises the following steps: acquiring maintenance data and corresponding fault information of industrial equipment, and constructing a knowledge graph according to the maintenance data and the corresponding fault information of the industrial equipment; obtaining current operation data of the to-be-diagnosed industrial equipment, and performing similarity measurement on the current operation data through the knowledge graph to obtain a similarity degree value; and settinga similarity degree threshold value, comparing the similarity degree value with the similarity degree threshold value, and generating corresponding fault information according to a comparison result.The comprehensive and complete knowledge graph is constructed by collecting various industrial equipment maintenance data and fault information in combination with other knowledge information in the field, and then the state of the to-be-diagnosed industrial equipment is judged according to the knowledge graph, so that equipment faults can be judged in time, dangerous accidents are avoided, meanwhile, equipment faults can be traced back, and the equipment management safety is enhanced.

The invention discloses a next generation sequencing-based point mutation detection filtering method and apparatus, and a storage medium. The method comprises the steps of performing comparison with files of a reference genome by utilizing a to-be-detected sample, and extracting candidate point mutation site sets with variant allele frequencies exceeding a set threshold; preliminarily calculatingsupport numbers of mutant bases and reference bases of candidate point mutation sites, and filtering results with the mutant support numbers lower than the set threshold and / or the variant allele frequencies lower than the set threshold; performing detailed statistics on the candidate point mutation sites and surrounding comparison information, wherein the information comprises at least one of thefollowing information: the support numbers of the mutant bases and the reference bases of the candidate point mutation sites, base and comparison quality, coverage depth, surrounding non reference base and insertion / deletion statuses, and surrounding read quality; and according to the statistical information, filtering the results which do not meet set requirements to obtain a point mutation detection result. While the resource demands and the detection speed are optimized, the sensitivity and specificity of point mutation detection are improved.

The invention discloses a combined blowing and drawing kitchen ventilator, which comprises a kitchen ventilator shell and a cooking bench air supplement device. An inner shell is arranged in the kitchen ventilator shell at an interval; a smoke collecting cavity is arranged on an air drawing port of the inner shell; an oil filter screen is arranged in the inner shell on the top part of the smoke collecting cavity; the bottom face and the horizontal face of an oil collecting groove of the oil filter screen are arranged in an inclined way; an oil cup is slidably inserted into one groove on the side face of the smoke collecting cavity; an air outlet is formed in the top part of the kitchen ventilator shell; a smoke exhaust fan is arranged in the kitchen ventilator shell; and air outlet of the smoke exhaust fan communicates with an inlet of an air outlet pipeline penetrating through the air outlet; the cooking bench air supplement device comprises a still pressure box for supporting a gas stove; air curtain vertical pipes are fixed to the left side and the right side of the still pressure box along a vertical direction; the two air curtain vertical pipes respectively communicate with the still pressure box; and a plurality of side clearance air outlets are formed on the top parts of the air curtain vertical pipes. The device can be used for quickly discharging pollutants to outdoor.

The invention discloses a multipath electric detonator priming device with a self test and line fault test function, which is circumscribed with a cell box and a priming target electric detonator. A priming device panel comprises a power switch, a priming button, an internal priming control detection circuit and a safe switch, wherein the internal priming control detection circuit comprises a power circuit, a microprocessor circuit, an RC energy storage circuit, a priming relay and a power circuit and is provided with a detection driving circuit, a signal amplifying circuit and an analog-to-digital conversion circuit; the priming relay of each path of priming control circuit adopts a single-pole double throw electromagnetic relay; the end point of a normally closed contact is connected with the output end of the detection driving circuit, and the end point of the normally open contact is connected to the connecting ends of an RC energy storage circuit resistance element and a capacitance element; the end point of the movable contact of the priming relay is connected to one end of the priming target electric detonator and is also connected to the input end of the signal amplifying circuit. The invention can realize the priming of the fault detection of abnormal circuit resistance and display fault information.

A vein-shaped fuel cell flow field plate comprises two flow field plates mutually joined, wherein a approximately square flow field area is arranged on the flow field plate, a sealing gasket is arranged on the periphery of the flow field area, a main vein for liquid flowing in extends along a diagonal line of the square, jointed veins for liquid flowing out are parallel to the edge of the square and are perpendicularly crossed at a liquid outlet, one end of each branch vein is connected with the main vein via a 45-degrees angle and is parallel to the edge of the square, and the other end is connected with the jointed veins via a vertical angle. The invention has the advantages that the flowing resistance of the liquid in the flow field plates can be smaller and more uniformly distributed, and gas generated during reaction can be exhausted via a shortest path.

The invention discloses a power equipment fault wireless alarm apparatus and method. The apparatus comprises a Beidou positioning terminal and a monitoring center, wherein the Beidou positioning terminal comprises multiple temperature sensors, a Beidou short message communication module and an equipment management server, the equipment management server processes received temperature information, acquisition time and identification information of the temperature sensors, converts the information into Beidou short message data and sends the data to the monitoring center by use of the Beidou short message communication module, and the monitoring center, after processing the data, controls an alarm module to give an alarm, and at the same time, displays the data on a display module. According to the invention, multiple pieces of power equipment in an area which is not covered by mobile signals can be monitored, fault equipment types are obtained, fault equipment can be positioned, different alarm signals are emitted according to the fault equipment types, short messages can be sent according to equipment priorities, maintenance personnel is enabled to prepare maintenance tools rapidly and accurately, and faults are rapidly eliminated.

To provide a polymer which selectively adsorbs an acidic water-soluble target substance, a polymer which has a specific recognition site for an acidic water-soluble target substance, a production process thereof, and an acidic water-soluble target substance-adsorbing agent.A polymer which selectively adsorbs at least one kind of an acidic water-soluble target substance, in which the polymer has a cross-linked structure formed through a two-step reaction including a Michael addition reaction of a polymer having an amino group and / or imino group with an unsaturated carbonyl cross-linker, and a subsequent radical polymerization.

The invention provides a fingerprint matching method and a device thereof. Through voting a coordinate difference between each detailed point in a field rotation fingerprint and the detailed point of each stamped fingerprint in a fingerprint database respectively, the coordinate difference between the field rotation fingerprint and the stamped fingerprint is determined. The field rotation fingerprint is subjected to coordinate translation, and the field rotation fingerprint which is subjected to coordinate translation is matched with the stamped fingerprint. The detailed point in the matched field rotation fingerprint and the detailed point in the corresponding stamped fingerprint are subjected to second matching vote. According to the matching degree between each stamped fingerprint and the field fingerprint, the stamped fingerprint which is in coarse matching with the field fingerprint is determined from a large number of fingerprint databases according to the matching degree of each stamped fingerprint and the field fingerprint. According to the method, the position information of each detailed point is used to carry out matching voting between detailed points, simple operation and voting methods are used to eliminate an unmatched stamped fingerprint in the large capacity fingerprint database, the accurate matching range of a fingerprint is reduced, and thus the total fingerprint matching time is greatly reduced.

The invention relates to a method for improving the maintenance and performance of an ignition system. The method mainly comprises eight small units, namely the composition of a trigger, the working principle of an igniter, the use of an ignition timing lamp, the influence of ignition time on an engine, the influence of ignition energy on the engine, the difference between air distribution timing and ignition timing, improvement on the ignition system and quick judgment of a fault of the ignition system. The method has the advantages of quickly clearing the fault of the ignition system of a motorcycle and improving an ignition angle.

The invention provides a vehicle-mounted operation state monitoring system. The vehicle-mounted operation state monitoring system comprises a vehicle-mounted terminal and a ground monitoring system, wherein the vehicle-mounted terminal is used for collecting operation information of vehicle-mounted equipment and transmitting the operation information of the vehicle-mounted equipment to the groundmonitoring system; and the ground monitoring system is used for processing the received operation information of the vehicle-mounted equipment and displaying an operation state of the vehicle-mountedequipment. According to the technical scheme, ground working personnel can obtain state information of a CIR equipment and a KLW equipment in real time by using the ground monitoring system; and therefore, when the equipment is abnormal, the ground working personnel can rapidly diagnose and remove faults so that the locomotive operation safety is enhanced and the locomotive operation efficiency isenhanced.