54results about How to "Intuitive and accurate judgment" patented technology

The invention relates to an establishment method of a high-strength steel plate thermoforming limit diagram. The method is characterized by comprising the steps of A. heating the reagent up to 950 DEG C in a sealing box 3, and carrying out heat preservation for 5min so as to enable the reagent to be completely austenitized; after that, cooling the reagent to the temperature needed to be measured in the experiment; B. establishing the forming limit lines of a high-strength steel plate in a single-drawing state, a double-isometric drawing state, a plane strain state and an intermediate state at all temperature by an expanding model in the sealing box; C. for the forming limit lines at the temperature below 400 DEG C, cooling the reagent to the temperature needed to be measured in the experiment at the cooling speed higher than the critical cooling rate vk so as to generate martensite phase transformation, and calculating to obtain the result; D. connecting the forming limit lines at all the temperature into two curved surfaces in origin software by a difference value method, and defining the two curved surfaces as a three-dimensional forming limit surface. After the establishment method of the thermoforming limit diagram is adopted, the thermoforming performance of the high-strength steel plate can be judged, and the higher the forming limit surface is, the better the thermoforming performance of the high-strength steel plate is.

The invention discloses a method for constructing and using a three-dimensional thermoforming limit diagram of VRB (Variable Thickness Rolled Blanks). The method comprises the following steps: 1) measuring basic parameters of a sample material at the temperature below 20 DEG C, wherein the measuring basic parameters are composed of a material thickness anisotropy index r, a material strain hardening index n and a material constant K; 2) utilizing a bulging test to acquire a forming limit curve of equal-thickness blanks in different strain paths corresponding to a certain thickness of the sample material at the temperature below 20 DEG C; 3) converting the forming limit curve of the equal-thickness banks in the different strain paths corresponding to the certain thickness of the sample material into a corresponding forming limit stress curve according to a formula and a corresponding yield criterion; 4) repeating the steps 1-3, forming an FLSC curve of the equal-thickness blanks in different thicknesses at the temperature below 20 DEG C. According to the method provided by the invention, the traditional forming limit strain curve is converted into the forming limit stress curve and is further converted into the three-dimensional thermoforming limit diagram considering the blank thickness and temperature, so that if the VRB can be successfully formed can be more directly and accurately judged.

The invention relates to a pedestrian flow density monitoring method, in particular to a GIS-based pedestrian flow density monitoring method. According to online AP point locations, the longitude position information, latitude location information and APMAC address information of each AP point location are obtained, the number of the current online people of each AP point location is obtained fromAC management equipment, and the APMAC address information, the longitude position information, the latitude location information, the number of the current online people and the time for obtaining the number of the current online people are obtained through statistics. According to the number, obtained by wireless sensing, of the current online people of the AP point locations, through the combination of the GIS technology, a pattern layer is drawn and rendered, and a thermal distribution map of the number of the online people is formed. The method can accurately and intuitively judge the pedestrian flow density, real-time analysis and monitoring of the pedestrian flow density are achieved, and data support is provided, so that public welfare information related to urban construction andmanagement is pushed, the pedestrian flow density monitoring ability of government management departments in major events, activities and other places is improved, and security and evacuation preparation work is timely done.

The invention relates to the technical field of bag-type dust collectors and discloses a cover plate for a bag-type dust collector. The cover plate comprises a cover plate surface which is made of a transparent material; the periphery of the cover plate surface is provided with sealed edges, wherein one of the sealed edges is a movable sealed edge, sealing gaskets are arranged at joints of the sealed edges and the cover plate surface, and the cover plate surface is provided with a plurality of support ribs. According to the invention, since the cover plate surface is made of the transparent material, a bag which is damaged and leaks ash can be visually monitored during operation of the bag-type dust collector, so the bag can be timely and accurately replaced; arrangement of the plurality of support ribs on the cover plate surface enables strength of the cover plate surface to be improved, and usage of the movable sealed edge facilitates replacement of the cover plate surface. With the cover plate, time and labor are saved, and overhaul cost for the bag-type dust collector is reduced.

The invention discloses a construction and using method of a VRB (Variable Thickness Rolled Blank) forming limit stress diagram. The construction and using method comprises the following steps: 1) determining basic parameters of a sample material, wherein the basic parameters of the material comprise material coefficient of normal anisotropy (r), material coefficient of strain hardening (n) and material constant K; 2) obtaining forming limit curves of various equal-thickness blanks of the corresponding sample material by using a bulging experiment; 3) converting the forming limit curves of different strain paths under different thickness of the corresponding sample material into corresponding forming limit stress curves according to corresponding yield criterions and a formula; 4) connecting the forming limit stress curves into a curved surface, i.e. a three-dimensional forming limit stress diagram, by using an interpolation method. The construction and using method of the VRB forming limit stress diagram has the advantage that since the traditional forming limit strain curves are converted into the forming limit stress curves which are further converted into the three-dimensional forming limit stress diagram which considers the blank thickness, whether the VRB can be successfully formed or not can be judged more intuitively and accurately.

The invention discloses an intelligent electric meter anti-theft system which comprises an intelligent electric meter and a processing main station. The intelligent electric meter comprises a controller and also comprises a cover opening detecting module, a current sampling module, an alarm module and a data transmission module connected to the controller. The cover opening detecting module detects whether a cover of the intelligent electric meter is opened and records a time when the intelligent electric meter is opened. The current sampling module is connected to a phase line and a neutral line of the intelligent electric meter and simultaneously collects phase line and neutral line current values. The data transmission module data of the intelligent electric meter is connected to the processing main station, and the processing main station has an electricity stealing judgment module. According to the system, by sending detection and sampling data to the processing main station, whether electricity stealing occurs is judged through the electricity stealing judgment module of the processing main station, and a judging method is that an electricity stealing event is judged when phase line and neutral line current are unbalanced and the intelligent electric meter is opened before the current imbalance. Whether the electricity stealing event occurs is more intuitively and accurately judged, and unnecessary misjudgment is avoided.

The invention discloses a method for judging the geological layer where the drill of a drilling machine drilling for a certain depth is positioned. The method comprises the following steps: 1), obtaining the rock formation density of a target rock formation, P wave velocity and Poisson's ratio Mu, so as to obtain the elastic modulus of the target rock formation through calculation; 2), comparing the elastic modulus of the target rock formation with data in a computer database, so as to obtain the type of the rock formation through analytical judgment; 3), recording the depth when the elastic modulus of the rock formation and the original value of the elastic modulus of the rock formation change suddenly, wherein the depth is the interface depth of the rock formation; 4), repeating the steps (1, 2 and 3), so as to obtain the geological layers where the drill of the drilling machine drilling for different depths are positioned. The method has the advantages that physical properties and mechanical parameters can be obtained through laboratory tests without depending on rock core, real-time analysis and calculation can be carried out according to corresponding data collection when the drilling machine is used for drilling, and the rock formation where the drill is can be judged, so that the process of obtaining the physical properties and mechanic parameters of rock formations of different depths can be simplified greatly, and engineering time is shortened.

The invention discloses a detection device and a detection method for the thickness of the dielectric layer of a multilayer PCB board based on capacitance testing. copper blocks, and several test pads arranged on the first layer of the multi-layer PCB board, the several test pads are respectively corresponding to the copper blocks of each layer of the multi-layer PCB board; each layer of copper The blocks are connected to corresponding test pads by wires and / or plated vias. The method is to use a capacitance tester to measure the capacitance value between the copper blocks of each layer, and can quickly, simply, intuitively and accurately judge whether the thickness of the dielectric layer between the layers of the PCB board meets the requirements by comparing the designed theoretical capacitance value, so as to avoid complexity and destructiveness of slice analysis.

The invention discloses a method and system for constructing an electromagnetic hotspot distribution diagram of a target. The method includes the steps that mirror reflection currents, edge diffraction currents and the sum of N reflected currents, generated on incident radar beams, by each triangular surface element in a three-dimensional triangular mesh model of the target are calculated according to the incident direction of the appointed radar beams, so that the equivalent currents of the triangular surface element are obtained; after the scattering electric field intensity of each triangular surface element is calculated according to the equivalent currents of the triangular surface element, and electromagnetic hotspot data of the triangular surface element are calculated according to the equivalent currents and scattering electric field intensity of the triangular surface element; the electromagnetic hotspot data of each triangular surface element in the three-dimensional triangular mesh mode are attached to the triangular surface element through corresponding colors, so that the three-dimensional electromagnetic hotspot distribution diagram of N times of reflection of the target is obtained; N is a preset natural number. The method and system are applied to accurately judging the strong electromagnetic scattering structure of the target.

The invention provides a detection test paper of HER2 protein expression level, which comprises a base plate, and also comprises an NC membrane, a crystal-marking pad, a water-absorption pad, a sample pad, and a filter membrane. A sample is added and flow laterally to the crystal-marking pad to form two antigen / antibody-crystal compounds; then the two antigen / antibody-crystal compounds continue to flow along the NC membrane in the direction of the water-absorption pad, and reach a detection area; the two antigen / antibody-crystal compounds combines with another two antibodies fixed at the detection area; under illumination, proteins to be detected with different concentrations in the sample are mixed with cellular housekeeper protein-combined crystals, so as to exhibit different colors. The colors are compared with a special colourimetric card by observing the colors of the detection area with naked eyes, and semi-quantitative detection of the breast cancer cell HER2 protein expression is carried out rapidly.

The invention provides a local erasing method based on touch track recognition, a writing board, a blackboard and a drawing board. The method comprises the steps that a touch recognition mode is usedfor recognizing a touch object, when the width of the touch object is within a preset width range, the motion trail of the touch object is recognized, whether the touch object does reciprocating motion within a preset range or not is judged, and when the number of times of reciprocating motion is larger than the preset number of times, the position covered by the reciprocating motion is locally erased. The motion trail of the touch object is recognized through induction, local erasing in a smaller range can be achieved, and confusion misjudgment of writing and erasing is avoided.

The invention relates to the technical field of real estate, in particular to a client visit relationship judgment system. The system comprises: an acquisition module, which is used for acquiring a monitoring video of reception of a visitor by a broker; a recognition module, which is used for judging whether the broker and the visitor appear in the same picture or not according to the monitoring video; a sequence module, which is used for judging the appearing sequence of the broker and the visitor according to the monitoring video; and an output module, which is used for outputting a judgmentresult of a client visit relationship. Whether the visitor and the broker travel together or not is analyzed according to a distance between the visitor and the broker, the appearing sequence and conduction of a conversation, so the problems that whether the visitor and the broker travel together or not cannot be effectively determined and that whether the visitor is a spontaneously visiting client or a channel client cannot be accurately judged in the prior art are solved.

The invention discloses an oil compensation type transformer and belongs to the technical field of power supply equipment. The oil compensation type transformer comprises a transformer box. The transformer box is provided with an oil cavity for containing transformer oil. A compensation oil tank is arranged on the top of the transformer box. A fixed pipe is fixedly installed in a sampling opening and penetrates through the oil cavity of the transformer box, and the end of the fixed pipe is fixed to the transformer box. The portion, located in the oil cavity, of the fixed pipe is provided with an oil inlet gap. The extending direction of the oil inlet gap is the same as that of the fixed pipe. An isolation pipe is rotationally installed in an oil inlet pipe and provided with an oil through groove corresponding to the oil inlet gap. A sampling pipe is inserted into the isolation pipe. The two ends of the sampling pipe are closed. The sampling pipe is provided with an opening corresponding to the oil inlet gap. The oil compensation type transformer can collect oil samples at multiple positions of the bottom of the transformer, improves oil sample collecting accuracy, prevents transformer oil lack caused by oil sample collection in the oil cavity and is widely applied to power supply systems.

The invention discloses an R-Button game rehabilitation training device for the hand function of old people, which comprises a bandage, an APP module and a hardware part; the hardware part includes: abox body, a pressure key, a pressure sensor, a Bluetooth, a lithium battery and a circuit board; the box body includes a box cover and a main body; the pressure key is installed on the surface of thebox cover, and the pressure sensor, the Bluetooth, the lithium battery and the circuit board are respectively installed in the main body, and the box body is fixed on a human body through the bandage; the APP module functions include: an APP small game, a set task plan, a task schedule, card punching sharing, a ranking list and a training trend report, combined with the corresponding APP small game, the rehabilitation training is finished. The training device is provided with one key and a variety of training modes, the operation is easy and convenient. The problems of boredom and resistancein the training process is solved, by combining the small game and rehabilitation training, the enthusiasm of the old people in the training process is stimulated, so that the old people can easily and actively complete the training.

The embodiment of the invention provides an identity verification method and device. The method comprises the following steps: acquiring registration information of a to-be-tested user and behavior data of the to-be-tested user; determining a group to which the to-be-tested user belongs according to the registration information; determining the matching degree of the user to be tested and the group according to the behavior data of the user to be tested; and judging whether the to-be-tested user is consistent with the registration information according to the matching degree. The embodiment ofthe invention provides an identity verification method. The method comprises the steps of obtaining registration information of a to-be-tested user and behavior data of the to-be-tested user; a groupto which a user to be tested belongs is determined according to the registration information, the matching degree of the user to be tested and the group is determined according to the behavior data of the user to be tested, identity verification is carried out according to the matching degree, manual intervention is less, flexibility is high, labor cost is low, the coverage area is comprehensive,the extension application field is wide, and the method can be applied to multiple industries such as credit investigation, finance, e-commerce and logistics.

The invention provides a safety automatic control system of a railway endless rope traction shuttle car, and belongs to the field of safety control of shuttle cars. By arranging a six-axis attitude sensor, the derailment or shaft breakage detection of a shuttle car can be automatically finished; by arranging a laser distance measuring sensor, the automatic hook of the shuttle car and the carriagecan be completed, so that the labor cost can be saved, and danger is avoided; by arranging an ultrasonic obstacle sensor, the obstacle encountered in the running process of the shuttle car can be automatically detected, so that the shuttle car can stop in time when the obstacle is ensured; by arranging the hook rod lifting mechanism, the automatic unhooking of the shuttle car and the carriage canbe completed, thereby not only saving the labor cost, but also having no potential safety hazard; by arranging a sliding charging device and a charging slideway, the storage battery on the shuttle carcan be automatically charged. The system has high measurement precision and can accurately judge the working state of the shuttle car; the working state of the shuttle car can be accurately judged; the system is not influenced by coal dust and impurities in the railway, and can avoid false alarm; the service life is long, and the maintenance and replacement cost can be saved.

The invention provides a water purifier, which comprises a raw water inlet, a pure water outlet, a pretreatment filter, a low-pressure switch, a raw water pressure meter, a water inlet electromagnetic valve, a pump entering pressure meter, a pressure boosting pump, a work pressure meter and a reverse osmosis membrane, wherein the pretreatment filter, the low-pressure switch, the raw water pressure meter, the water inlet electromagnetic valve, the pump entering pressure meter, the pressure boosting pump, the work pressure meter and the reverse osmosis membrane are positioned between the raw water inlet and the pure water outlet, the raw water pressure meter is connected between the low-pressure switch and the water inlet electromagnetic valve, the pump entering pressure meter is connected between the water inlet electromagnetic valve and the pressure boosting pump, and the work pressure meter is connected between the pressure boosting pump and the reverse osmosis membrane. The water purifier provided by the invention has the advantages that when equipment has faults, the fault reasons can be intuitively and accurately judged through display data of the raw water pressure meter, the pump entering pressure meter and the work pressure meter.

The invention provides a wireless sensor network analysis method, belonging to the technical field of wireless sensor networks, relating to a wireless sensor network analysis method. The invention provides the wireless sensor network analysis method with good stability and visual display. The method comprises a model part of completing the data model of data processing, service logic, defining system processing of a system and comprises four types of frame formats comprising an IEEE 802.15.4 standard definition. The frame formats comprise a beacon frame, a data frame, an acknowledgment frame and a command frame, the command frame is divided into an association request, an association response, a disassociate notification, a data request, a PAN ID conflict notification, an isolated notification, a beacon request, and a coordinator rearrangement and GTS request.

The invention provides a molecular marker for identifying a common threewingnut root medicinal material, a primer pair, a PCR reagent, a kit and application of the molecular marker in identification of the common threewingnut root medicinal material. The molecular marker is in a nucleotide sequence shown in SEQ ID NO.3, and the primer pair can amplify the nucleotide sequence shown in SEQ ID NO.3. The invention further provides an identification method of the common threewingnut root medicinal material. Through the molecular marker, the primer pair, the PCR reagent, the PCR kit and the identification method, whether or not the molecular marker is amplified is detected so that the common threewingnut root medicinal material can be identified, the repeatability is high, and the defects of high subjectivity and poor repeatability of a traditional identification method are overcome.

The invention discloses a method for detecting chloroform in a sulfur-containing quantum dot solution. The method comprises the following steps of: providing an initial sulfur-containing quantum dot solution; carrying out illumination treatment on the initial sulfur-containing quantum dot solution; and putting one section or all of the part, covered with a carbonate film, of a carrier for testinginto the sulfur-containing quantum dot solution subjected to illumination treatment, and judging whether the initial sulfur-containing quantum dot solution contains chloroform or not. According to themethod provided by the invention, whether chloroform exists in the sulfur-containing quantum dot solution can be simply, visually and efficiently judged accurately.

The invention provides a thin layer detection method for quickly identifying honeysuckle and mountain honeysuckle, which solves the problems of low reliability, high cost, and long time in the existing four methods for identifying honeysuckle and mountain honeysuckle. In this method the characteristic representative ingredients of honeysuckle and mountain honeysuckle are selected to identify the two, including the following steps: 1) preparation of reference solution and sample solution; 2) thin layer spot sample; 3) preparation of developing agent; 4) deployment; 5) color development and inspection. This thin layer detection method is simple, fast, high sensitivity, and strong specificity, the contrast between honeysuckle and mountain honeysuckle is obvious, the results are intuitive andeasy to identify and distinguish, and it provides a reliable identification method to ensure the distinction between honeysuckle and mountain honeysuckle.

The invention discloses a road construction method. The road construction method comprises steps of flattening an area to be constructed to form a horizontal roadbed; laying a cushion layer on the roadbed; laying an asphalt layer on the cushion layer and compacting the asphalt layer while the asphalt layer is hot; laying one layer of emulsified asphalt in a molten state; laying an asphalt mixturepavement layer on the emulsified asphalt and compacting the asphalt mixture pavement layer while the asphalt mixture pavement layer is hot; after the roadbed is formed, laying measuring slide rails onthe two sides, wherein infrared laser transmitters and receiving seats are correspondingly and slidingly connected to the two measuring slide rails; during the construction of each layer of structure, calculating a virtual elevation H of a central point of the layer of the structure according to designed double-slope value i% and width L of each layer of structure; and obtaining a lifting amountor a digging amount through calculation. Through the arrangement, the control of each layer is simple and clear, the labor cost can the labor intensity can be reduced, and meanwhile, the working efficiency is enhanced, the situation of mechanical idling of the labour force is reduced, and moreover, the construction quality can also be preferably guaranteed, and the flatness and the construction quality of a road are improved.

The invention belongs to the field of animal immune detection, and in particular relates to a test paper card for quantitative detection of swine fever virus antibody with double antigen sandwiches and double detection lines. The test card includes sample pad, classical swine fever virus E2 protein gold standard pad, rabbit IgG gold standard pad, absorbent pad, double detection line coated with classical swine fever virus E2a protein, and nitrocellulose membrane of goat anti-rabbit IgG quality control line and PVC rubber sheet; colloidal gold adopts double-antigen sandwich and double detection line; the classical swine fever virus gold standard pad is coated with the protein antigen secreted by Escherichia coli BL21 / pE2 with the preservation number CCTCC NO: M2018060. E2 antigen and gold-labeled rabbit IgG; the nitrocellulose membrane is coated with the CSFV E2a antigen constructed from the protein antigen secreted by Escherichia coli BL21 / pE2a with the preservation number CCTCC NO: M2018059, constituting a double detection line area and The quality control line region is composed of goat anti-rabbit IgG.

The invention discloses a simulated mine for international humanitarian mine-sweeping training. The simulated mine comprises a mine shell, wherein a mine upper cover is arranged on the mine shell; themine shell is internally provided with a triggering switch, a power supply, a control circuit module and a GPS (Global Positioning System) positioner; the power supply, the triggering switch, the control circuit module and the GPS positioner are connected by lines; the triggering switch and the control circuit module are used for controlling the GPS positioner to be conducted with / disconnected from the power supply, and when the GPS positioner is conducted with the power supply, the GPS positioner searches for satellite signals and transmits positioning data onto one server of internet. The simulated mine disclosed by the invention has the beneficial effects that convenience is brought for intuitively judging triggering the position of the mine from a computer or a mobile phone, so that the capability of persons for detecting and sweeping the mine is effectively judged, the truth is high and the teaching benefit is improved; the repeated use for multiple times can be achieved, and theconvenient and reliable effects can be achieved, so that the use cost can be reduced.

The invention provides a thermoforming stamping test device for high-strength metal board materials, which includes: a support (1), a gas one-way valve (2), a sealing box (3), a resistance wire (4), quartz glass (5), a high-speed camera (6), an infrared temperature sensing apparatus (7), a support top cover (8), a stamping head hydraulic pump (9), a gas inlet pipe (10), a stamping head hydraulic pump connecting rod sealing ring (11), a stamping head (12), a positioning ring (13), a test piece (14), a concave die (15) and a sealing box pedestal (16). The invention also provides a test method of the thermoforming stamping test device for the high-strength metal board materials and an establishment method of a thermoforming wrinkling limit surface on the basis of the method. In the invention, the thermoforming anti-wrinkling performance of a high-strength steel plate can be determined on the basis of the height of the wrinkling limit surface. The higher is the wrinkling limit surface; the better is the thermoforming anti-wrinkling performance of the high-strength steel plate.