32results about How to "Meet the set requirements" patented technology

The invention discloses a segmented SFM three-dimensional reconstruction method, and the method comprises the following steps: 1, extracting a feature point of each image, and carrying out the featurepoint matching; 2, judging whether the image sequence needs to be segmented; 3, dividing the image sequence into a plurality of sub-image sets; 4, respectively estimating a camera attitude and a scene point cloud for each sub-image set by using a global SFM method; and 5, according to the GPS information, splicing and combining all the sub-image sets. According to the method, the problems that athree-dimensional scene of large-data-volume single-air-strip long-straight-line flight is wrong in reconstruction and cannot be reconstructed are solved.

The invention provides a refrigerator, comprising an air channel which is provided with a temperature varying room air door, a refrigerating chamber connected with the air channel, and a temperature varying room which is in the refrigerating chamber and is connected with the temperature varying room air door. The temperature varying room is internally provided with a heater assembly. When the temperature varying room air door is open, the heater assembly does not operate, so that the air channel refrigerates the temperature varying room. When the temperature varying room air door is closed, the heater assembly operates, so that the heater assembly heats the temperature varying room. In the technical scheme, through installing the temperature varying room in the refrigerating chamber, on one aspect, an independent temperature varying room is isolated in the refrigerating chamber, so the temperature varying room can realize functions of unfreezing food, leavening dough, heating milk, and heating masks. On the other aspect, the integrated volume of the refrigerator is reduced, so as to reduce cost of the refrigerator and improve market competitiveness of the product. In addition, the temperature varying room is internally provided with a heater and a fan, so that temperature adjusting range of the temperature varying room is increased.

The invention discloses an energy-saving environment-protecting material sucking and drying all-in-one machine. The machine is composited of a material barrel main body, a fan, a pulsation switching exhaust mechanism, a heater, an electrical control system, a connecting pipe fitting and other components. According to the material sucking and drying all-in-one machine, an air cylinder of the pulsation switching exhaust mechanism is controlled to act through the electrical control system, so that the circulating process such as internal vacuum material sucking and feeding, air flow heating and drying the materials, hot air recycling through filtering and refluxing, and dust filtering, cleaning, bag collecting in materials in the material barrel are carried out; in the process, the electricalcontrol system receives and processes signals feedback from sensor switch such as air pressure, temperature and material level, so that the intelligent control of the drying air volume and the heating temperature in the material processing process is realized, and the energy-saving effect is remarkable; according to the material sucking and drying all-in-one machine, a blanking device adopts a rotary disc sealing type blanking structure, so that the sealing effect is good, and the operation is convenient; and metal impurities in the materials can be effectively adsorbed by the arrangement ofa magnetic column, the metal impurities can be timely removed through a cleaning window, so that the injection molding quality of products is ensured, and the use safety of an injection molding machine is ensured.

The invention discloses a liquid level display device. The liquid level display device is characterized in that the liquid level display device is installed on the outer side of a liquid storage tank and used to display the liquid level height in the liquid storage tank. The liquid level display device comprises a display device body, wherein the display device body is of a transparent structure made of glass or engineering plastic, a water gap communicated from top to bottom is arranged in the display device body, the water gap is communicated with the interior of a water tank, a floater is further arranged in the display device, the floater is a nontransparent device, the interior of the floater is of a hollow structure, a long-strip-shaped side window is formed in the side face of the floater, a red light emitting diode is arranged at the bottom of the internal hollow structure of the floater along the vertical direction, and a green light emitting diode is arranged at the top of the internal hollow structure of the floater along the vertical direction. The liquid level display device has the advantages of being compact in structure, and strong in practicability, and convenient to install, popularize and use.

The invention discloses a three-dimensional point cloud orientation correction method based on SFM, and the method comprises the steps: firstly judging whether a scene is single-flight-strip linear flight according to GPS coordinates, then judging whether the orientation of a three-dimensional point cloud is correct through an SFM result, and finally correcting the orientation of the three-dimensional point cloud according to the posture information of a camera. According to the three-dimensional point cloud orientation correction method based on the SFM, image attitude information is considered, the three-dimensional point cloud orientation is corrected, and the problem of errors of subsequently generated orthoimages due to the fact that the three-dimensional point cloud orientation is not considered is solved. Verification shows that the SFM result is corrected through the method, and the finally generated three-dimensional reconstruction result can meet the set requirements.

The invention discloses a method for determining division radiuses of planar equal-radius circular regions based on the sum of angle pitch ratios of bending points of orthodontic arch wires, and relates to the technical field of bending of the orthodontic arch wires. Aiming at a type of orthodontic arch wire curves with relatively low bending point density, the method for determining the divisionradiuses of the planar equal-radius circular regions based on the sum of the angle pitch ratios of the bending points of the orthodontic arch wires is established by combining with movement characteristics of a robot during bending of the orthodontic arch wires based on bending point information sets of the orthodontic arch wire curves and robot bending information sets of the bending points. Thetechnical point is as follows: importing circular region division data, and converting an orthodontic arch wire curve T into a planar curve T'; determining an initial value n of division number of theequal-radius circular regions according to angle pitch ratio information of the bending points; dividing equal-radius determination regions; searching optimal division number; and outputting divisionradiuses requal of the equal-radius circular regions with reasonable angle pitch ratios. According to the method, the number of trial-divided circular regions is determined and judged by virtue of the sum of the angle pitch ratios, division radius values of the equal-radius circular regions with the reasonable angle pitch ratios are determined, the division efficiency of the equal-radius circularregions is improved, and the bending planning efficiency of the orthodontic arch wire is improved, so that the problems of interference and bending complexity occurring when the orthodontic arch wires are bent by the robot are avoided.

The invention discloses a polyferric PAC (poly aluminium chloride) reaction tank. The polyferric PAC reaction tank comprises a reaction tank body, wherein one side of the outer surface of the reactiontank body is connected with a movable baffle plate through a hinge; one side of the movable baffle plate is connected with a handle; a water inlet tube, a working panel and a feeding tube are separately arranged at the top of the reaction tank body; a temperature knob and a display are separately arranged at the top of the working panel; a reaction chamber is arranged above the inner part of thereaction tank body; and the polyferric PAC reaction tank is further equipped with a partition plate, a solid chamber and the movable baffle plate. After chemical reaction is ended, solid impurities ina solution can be blocked by the partition plate to keep in the solid chamber when the solution passes through the partition plate, and liquid enters the liquid chamber through the partition plate; and after use is ended, a user can open the movable baffle plate through the handle and the hinge so as to intensively clean the solid impurities in the solid chamber, so that the user uses the reaction tank more conveniently.

The present invention discloses a steel bar positioning tool, and belongs to the field of municipal construction tools. The steel bar positioning tool comprises a plurality of steel bar fixation buckles and a plurality of fixation buckle installation plates, wherein the fixation buckle installation plate comprises an installation plate body and a plurality of installation holes arranged on the installation plate body, the two adjacent fixation buckle installation plates are fixedly connected through bolts arranged in the installation holes, the steel bar fixation buckle comprises a connection plate, the connection plate is provided with a plurality of connection holes, the connection plate is fixedly connected to a steel bar buckle head, the steel bar buckle head comprises a cross beam, a first snapping plate and a second snapping plate, the first snapping plate is hinged to the cross beam, the second snapping plate is fixedly connected to the cross beam, and the steel bar fixation buckles and the fixation buckle installation plates are fixedly connected through the bolts respectively arranged in the connection holes and the installation holes. According to the present invention, the steel bar fixation buckle can be disassembled, and the distance between the two steel bar fixation buckles can be adjusted; the steel bar positioning tool is suitable for steel bar skeleton fixation having different steel bar distance and different steel bar diameter; with the steel bar positioning tool, the accurate steel bar position can be ensured, and the distance can meet the set requirement; and the operation is convenient, and the recycling can be achieved.

The invention discloses an information recommendation method, a device, an apparatus and a medium, which are applied in the technical field of the Internet, and are used for solving the problem of lowaccuracy of the information recommendation method in the prior art. Specifically, calling the industry data analysis process to analyze the first historical transaction data corresponding to each industry, we can get a number of industries with herding effect and as an alternative industry; invoking a type data analysis process to analyze the second historical transaction data corresponding to each candidate industry to obtain the number of the designated type constituent stocks contained in each candidate industry; selecting and displaying hot sectors based on the number of specified types of constituent stocks each of the alternate sectors contains. In this way, according to the herding effect and the number of the specified types of constituent stocks to select hot industries, so thatthe selected hot industries not only meet the current industry investment trends, but also meet the set requirements, thus improving the accuracy of the hot industry recommendation.

The invention relates to a method for optimizing a structure of a laminated glass product, belongs to the technical field of laminated glass and solves the problem in the prior art that the dynamic failure of laminated glass cannot be effectively overcome. The method comprises the following steps of establishing a physical test model including an initial structure of a laminated glass product andan impact head; applying impacts of different speeds perpendicular to the glass plate surface to the laminated glass product through the impact head to obtain a dynamic stress intensity factor-crack tip position curve at the crack tip, and an action time of the stress wave on the crack tip; obtaining a critical conditions for dynamic cracks of the laminated glass product according to the curve andthe action time of the stress wave on the crack tip so as to obtain the speed and quality of the impact object under the critical conditions, determining whether the speed and quality meet the designrequirements, adjusting the properties and thickness of the laminated glass if not, repeating the above steps until the requirements are met, and completing the structural optimization.

The invention relates to a processing technology for a driving link rod in thermoplastic forming equipment. The driving link rod is formed specifically by processing the following steps that firstly,workblank primary processing is conducted, a link rod main body workblank and driving support arm workblanks are processed to form bonding surfaces that can make the link rod main body workblank and the driving support arm workblanks contact and cooperate, and the bonding surfaces comprise a first bonding surface formed on the link rod main body workblank and second bonding surfaces formed on thedriving support arm workblanks; secondly, assembling is conducted, the first bonding surface of the link rod main body workblank is matched with the second bonding surfaces of the driving support armworkblanks, and then certain pretightening force is applied to fixedly connect the link rod main body workblank and the driving support arm workblanks to form an assembly; and thirdly, special-shapedhole processing is conducted, a special-shaped hole adapted to a drive shaft can be formed by processing corresponding bonding surface positions of the assembly through corresponding tools, after processing, a first through groove is formed on the first bonding surface of the link rod main body workblank, and second through grooves are formed on the second bonding surfaces of the driving support arm workblanks.

The invention discloses a physical scanning method. The physical scanning method comprises the following steps that a modeling robot is equipped, modeling equipment is arranged on the modeling robot,a modeling visual sensing camera and a posture sensor are arranged on the modeling equipment, a modeling working table is arranged on the side of the modeling robot, a workpiece is placed on the modeling working table, and a plurality of constraint points are arranged, so that the modeling robot drives the modeling equipment to sequentially pass through the constraint points in a specified path and a specified posture, the workpiece is photographed, and all image data and posture data are integrated, a physical three-dimensional model of the workpiece is generated. The posture sensor can sensethe posture of the modeling visual sensing camera when taking photos. The posture sensor can enable the posture setting of the modeling robot to be more in line with the setting requirements, the requirements on the own motion accuracy of the modeling robot is greatly reduced, and the calculation amount of a driving system is reduced. Finally, high-efficiency and high-precision physical modelingis realized. The physical scanning method is used for physical scanning modeling.

The invention discloses an automatic tracking and controlling method of electric field intensity, which can be realized by the following steps: (1) collecting analog electric field intensity signals through a pre-sensor, (2) converting the collected analog electric field intensity signals into digital electric field intensity signals, (3) performing analysis process to the digital electric field intensity in real time, and generating control signals to a motor by aids of the preset voltage value and processing time, (4) converting the motor control signals from digital control signals into analog control signals, (5) controlling the motor by a driving circuit according to the analog control signals, controlling lifting velocity of voltage, and then adjusting rotary speed, rotating direction and time of a stepping motor. The method can automatically collect signals of the electric field intensity and automatically control the motor, and increases automation degree of production, thereby increasing producing efficiency and production pass rate and improving marketing competitive capacity of products.

The invention relates to a lamp DMX address setting system which comprises a DMX controller, a 485 bus and at least two lamps connected in sequence. Wherein the lamp comprises a control module, a 485 module and a single-line input and output circuit, and the control module is connected with the 485 module and the single-line input and output circuit; the DMX controller is connected with the 485 modules of the at least two lamps which are connected in sequence through a 485 bus; and between the at least two adjacent lamps which are connected in sequence, the single-line input and output circuit of the rear lamp is connected with the control module of the front lamp. According to the system provided by the invention, address codes are transmitted by applying the 485 bus and the 485 module, and are transmitted by using a differential transmission mode through the 485 bus and the 485 module, so that compared with the prior art, the capability of inhibiting common-mode interference is improved, and a longer transmission distance can be realized, thereby meeting the requirement of DMX address setting of a large-scale lamp system.

The invention discloses a spring damping energy-dissipation vibration-reduction beam string structure, a roof system and a construction method, and belongs to the field of constructional engineering, the spring damping energy-dissipation vibration-reduction beam string structure comprises an upper beam string, damping supporting rod assemblies and an inhaul cable, the two ends of the inhaul cable are correspondingly connected with the two ends of the upper beam string respectively, a tensioning area is formed between the inhaul cable and the upper beam string, and the multiple damping supporting rod assemblies are distributed in the tensioning area at intervals; the damping supporting rod assembly comprises a supporting rod and a spring damper which are connected into a whole, one end of the supporting rod is connected with the upper chord beam, and one end of the spring damper is connected with the inhaul cable. According to the damping supporting rod assembly, tensioning of the inhaul cable can be achieved by lengthening the supporting rod in the installation stage of the beam string structure, and in the normal use stage, the spring damping energy-dissipation vibration-reduction supporting rod can dissipate vibration energy, reduce the amplitude of the inhaul cable, prevent structural fatigue damage and improve the comfort of the beam string structure.