49results about How to "Meet the general requirements" patented technology

The present invention discloses an integrated universal simulation test system for electric network scheduling and electric quantity collection, a telemechanical terminal is connected with a test control device through an instation network, an electrical energy remote terminal is connected with a plurality of electric energy meters. The simulation test system is provided with a portable computer, and has a function of processing the remote measurement, remote signaling, remote control data of an automatic SCADA system and electric energy meter data of a electric quantity collection terminal simultaneously or separately; a specification analysis function of the automatic SCADA system and electric quantity collection system; the specification is an usual specification, or is added with a plug-in card mode. By means of the technical scheme, the system has stable operation and perfect functions; the system is portable and is flexible to be employed; the system has high reliability and well expandability, openness, compatibility, and excellent maintainability and easytouse; it is capable of expanding and modifying the specification expediently, and it is capable of plugging and playing.

The invention relates to a data collection method based on an intelligent grasping system for science and technology service information. The method comprises the following steps: 1, data grasping: in terms of configuration of a crawler, a user releases a grasping task through a configuration module and a start module of a client and sets a webpage for grasping and corresponding rules; 2, loading of timing grasping tasks: the task released by the user is loaded dynamically to a timing grasping task list; 3, page downloading; 4, page parsing: pages in a queue are parsed; 5, adding to URL to be grasped; 6, data processing and storage: page data is subjected to parsing extraction processing, and extracted two-dimensional structured data is stored. The method can meet the requirement of the crawler for generality and the requirement of the science and technology service system for grasping, and convenient extension and plug-in type development are realized; parser rule configuration, width and depth of the pages subjected to grasping, grasping threads, database configuration or index configuration is added to specific service logic, and information can be grasped and collected intelligently.

The invention discloses a control method of roll gap punching in sector segment slight press control technique, which includes the following steps: (1) the target gap values of the rolls at the inlet and the outlet sides of the sector segment are set; (2) the target roll gap values are converted into target hydraulic cylinder position values and transferred to a hydraulic system, wherein, the calculation formula of converting the target roll gap values into target hydraulic cylinder position values is: Xec = {[L-(a+a2)]/L}.Xe.costhelta1+[(a+a2)/L].Xd.costhelta2 Xdc = [(b+b2)/L].Xe.costhelta1+{[L-(b+b2)]/L}.Xd.costhelta2; (3) after receiving the target hydraulic cylinder position values, the hydraulic system controls the stroke of the hydraulic cylinder piston to move the hydraulic cylinder piston to the position indicated by the target hydraulic cylinder position values; (4) the movement of the hydraulic cylinder piston drives the roll to move to achieve the set target roll gap target values, thus achieving the control of the roll gaps. The invention is capable of achieving the precise control of the roll gaps via the hydraulic system.

The invention discloses an LED illumination light source comprehensive measurement instrument. The main hardware is composed of an LED illumination light source operation table (1), a sensitization measurement table (2), a telescopic optical darkroom passageway (3) and a microcomputer main control station (4). An LED illumination light source to be measured is fastened to an LED illumination light source installation universal support in the operation table, and a polar coordinate double-shaft drive servo mechanism drives the LED illumination light source on the polar coordinate double-shaft drive servo mechanism to rotate in the horizontal direction and to pitch. The telescopic optical darkroom passageway is used for adjusting the distance between the LED illumination light source to be measured and a sensitization measurement probe. Embedded type microcomputers of all subsystems execute various types of operation, collect and transmit data and are used in cooperation with the microcomputer main control table for achievement of the measured data comprehensive processing function and the image processing function. The LED illumination light source comprehensive measurement instrument has the advantages that the LED illumination light source with any model, any wave form and any power consumption can be really measured in a relatively small space, a normal measurement parameter table is provided, and a three-dimensional analysis graphic based on tricolor light waveforms and four-dimensional dynamic video are provided as well.

Disclosed in the invention is a tail rotor stand comprising a rack, a horizontal motor, a reducer, a first driving shaft assembly, a torque scale, a second driving shaft assembly, a single-component lift balance, a rotating translation conversion device, and an actuator cylinder set. The rack includes a support platform, a driving shaft support part, and an accommodation space. The reducer is arranged in the accommodation space and the input terminal of the reducer is connected with the output terminal of the horizontal motor. The first driving shaft assembly is arranged inside the driving shaft support part and can rotate relative to the driving shaft support part; and one end of the driving shaft assembly is connected with the output terminal of the reducer. The torque scale is connected with the other end of the first driving shaft assembly. One end of the second driving shaft assembly is in transmission connection with the torque scale and the other end is in transmission connection with a tail rotor. The single-component lift balance is arranged on the support platform; a floating plate of the single-component lift balance is connected with the second driving shaft assembly. The rotating translation conversion device is in transmission connection with the second driving shaft assembly. A cylinder body of the actuator cylinder set is arranged on the floating plate and a piston rod is connected with the rotating translation conversion device.

The invention discloses a power business data coding transmission method and system and a storage medium. The method comprises the following steps: encoding acquired power business data according to requirements of actual business and a pre-formed data dictionary, generating power business messages, and adding the power business messages into a message queue, wherein the power business message comprises a main frame used for identifying the power business data and data content used for storing the power business data; if the length of the electric power service message does not exceed the datatransmission upper limit of the used Beidou short message, sending the electric power service message one by one, otherwise, sending the electric power service message in a subpackage manner; if theidentification in the main frame needs to be fed back, sending the electric power service message, if not receiving feedback or receiving packet loss feedback, sending the electric power service message again until successful feedback is received, and then deleting the electric power service message from the message queue; if the main frame identifier does not need to be fed back, deleting the power service message from the message queue after being sent; and completing the power business data coding transmission.

The invention discloses a self-adaptive impedance matching technology and a self-adaptive impedance matching method applicable to an electric car wireless power supply system based on the electromagnetic coupling, and belongs to the field of wireless power supply. The method comprises the steps of self-adaptively adjusting the number of turns of secondary coils in an input/output end impedance matching circuit by adding a control network, rapidly searching an optimum number of turns of the secondary coils by adopting a genetic algorithm, monitoring the variation situation of current on the input/output end by virtue of numerical sampling, and judging whether the impedance matching is achieved or not. By utilizing the method, the input/output end impedance matching can be rapidly realized, and the maximum transmission efficiency of the wireless power supply system can be realized.

The invention provides an unmanned helicopter electrical system design method in which a power manager, a standby storage battery, a generator, a rectification module, an external power supply, a night navigation lamp, a health management system, a load, a data link communication system, a flight control system, a rudder control system and an accelerator steering engine are arranged. The unmannedhelicopter electrical system design method is a universal unmanned helicopter electrical system design method, electrical system design can be carried out according to the overall requirements, the system should work reliably in any flight state, and the average fault interval time should meet the overall requirements of an airplane.

The invention discloses a transfer trolley for a spare part, which comprises a frame, wherein the frame comprises an upper layer frame and a lower layer frame; the upper layer frame is connected with the lower layer frame by longitudinal supporting rods positioned at the four corners; a plurality of uprights penetrating through the frame are arranged on four corresponding edges and two corresponding diagonal lines of the upper layer frame and the lower layer frame respectively; each upright comprises an outer sleeve and an inner sleeve; one end of each inner sleeve is positioned in each outer sleeve; the size of overlaps of the inner sleeves and the outer sleeves is adjustable; the top ends of the inner sleeves are in hollow structures; fixing holes are formed at the external circumferences of the hollow structures; and supporting pads for supporting the to-be-transferred spare part are mounted in the hollow structures. The transfer trolley for the spare part is provided with the outer sleeves with free position movement and the inner sleeves with free height adjustment, so that the outer sleeves and the inner sleeves can be adjusted according to the size and the shape of the to-be-transferred spare part, and a universality requirement of transfer of different spare parts is met.

The invention discloses a method for designing a wave-rider with controllable shock wave shape of a basic flow field under strong geometric constraint. The method comprises the following steps: (1) setting the length and width of a wave-rider according to the general size requirement of an aircraft, and setting a basic circle radius of a basic flow field; (2) randomly defining the shock wave shapein the basic flow field, and setting the type of the shock wave according to actual situation; (3) calculating a flow field behind wave and producing the profile of the shock wave shape by combiningthe shock wave shape, starting triangle and inlet flow conditions and utilizing a method of characteristics; and (4) acquiring a leading edge curve, upper surface molded line and lower compression surface of the wave-rider by adopting a streamline tracking method in the obtained flow field behind wave to obtain a to-be-designed wave-rider. According to the method for generating a molded line of adesignated shock wave shape in a supersonic inlet flow, the shock wave shape of the basic flow field is changed, the aim of strictly controlling the geometric dimension of a wave-rider is achieved, and high lift-drag ratio and other pneumatic performance of the wave-rider is promoted.

The invention discloses a supporting and transporting bracket for a spare part, which comprises a frame, wherein the frame comprises an upper layer frame and a lower layer frame; the upper layer frame is connected with the lower layer frame by longitudinal supporting rods positioned at the four corners; a plurality of uprights penetrating through the frame are arranged on four corresponding edges and two corresponding diagonal lines of the upper layer frame and the lower layer frame respectively; each upright comprises an outer sleeve and an inner sleeve; one end of each inner sleeve is positioned in each outer sleeve; the size of overlaps of the inner sleeves and the outer sleeves is adjustable; the top ends of the inner sleeves are in hollow structures; fixing holes are formed at the external circumferences of the hollow structures; and supporting pads for supporting the to-be-transferred spare part are mounted in the hollow structures. The supporting and transporting bracket for the spare part is provided with the outer sleeves with free position movement and the inner sleeves with free height adjustment, so that the outer sleeves and the inner sleeves can be adjusted according to the size and the shape of the to-be-transferred spare part, and a universality requirement of transfer of different spare parts is met.

The invention belongs to the technical field of mechanical transmission and particularly relates to a serial gear shifting mechanism of a transfer case. A piston A, a piston B, a piston C and a piston D are disposed in the inner cavities of a cylinder body A and a cylinder body B. The piston C and the cylinder body A are sequentially located on the left of the cylinder body B and fixed with each other. The piston D is located on the right of the piston C and located in the cylinder body B. The piston A is located on the left of the piston C. The piston B is located on the left of the piston A. One end of a gear shifting shaft is fixed with the piston D, and the other end thereof is inserted into a cylinder cover and fixed with a conical sleeve. A signal switch is disposed on the cylinder cover. A shifting fork is located in the middle of the gear shifting shaft. A locking mechanism is disposed on the shifting block and in the middle of the cylinder cover. Inflating inlets I, II, III and IV respectively corresponding to the piston A, the piston B, the piston C and the piston D are formed in the cylinder body A. When inflation is performed respectively through the inflating inlets I, II, III and IV, the piston D is pushed to move by air pressure, the gear shifting shaft and the shifting fork are then driven to move, and the contact of the signal switch contacts with the conical sleeve to give out corresponding indications when corresponding gears are reached.

The invention discloses a locating pin with adjustable diameter, and belongs to the technical field of positioning pins. The positioning pin comprises a guide section, a positioning section and a fixed section which are sequentially arranged from top to bottom, the central axes of the guide section, the positioning section and the fixed section are coincident, the guide section is locked in the manner that meshing of teeth between the guide section and the fixed section is singe-face meshing, and the diameter of the positioning section is adjusted in the manner that meshing of teeth of the positioning section and the guide section is double-face meshing. The locating pin is mainly used for enabling the freedom degree of parts in the X and Y directions to be zero, the positioning accuracy of the parts is improved, the product yield is improved, the positioning pin can meet the universality requirement to a certain degree, and meanwhile, disassembling and assembling are convenient.

The invention discloses an electrically-driven steel wire rope anti-loosening device for offshore supply. The device comprises a base, a jack, a mounting cylinder, a telescopic mechanism, a follow-uppulley, a tension pulley block, a compensation pulley and a power pulley mechanism, the cylinder body and the jack are both installed on the base. The jack is positioned in the mounting cylinder; thebottom of the telescopic mechanism is installed on a top disc of the jack. The top of the telescopic mechanism is connected with a compensation pulley; the compensation pulley is located on the upperportion of an inner cavity of the installation cylinder, the follow-up pulley and the power sliding mechanism are arranged on the two opposite sides of the outer wall of the installation cylinder, thetension pulley block is arranged on one side of the follow-up pulley, and the tension pulley block is installed between the follow-up pulley and the compensation pulley. Non-hydraulic driving is achieved, the occupied space of the supply system on a real ship is reduced, the overall requirements of the system are met, and subsequent maintenance is more convenient.

The invention discloses an IO extended module based on modular design. The IO extended module comprises a main control module, a rear plugboard module 1 and a rear plugboard module 2. The main controlmodule is used for providing a Serial Rapid IO interface, an R232 interface, an internet access, a USB interface, an SATA interface and other universal interfaces for the outside, the main control module is connected with the rear plugboard module 1 through a backboard, and the corresponding interface is directly led out to the outside, or the corresponding interface is rolled out through an associated chip, so that the display and storage functions are easily achieved, or the function of data exchange with the outside is easily achieved; the rear plugboard module 2 is adjacent to a corresponding rear socket, and is specially responsible for converting the x1 PCIe introduced by the main control module into a PCI introduction backboard. If an external IO interface is changed, under the condition that original design is not changed, it is only required that a different IO extended module is replaced, different IO can be achieved, flexible and universal requirements of development of devices for all the arms and services are met, and the extending range of business application is enlarged.

The invention provides a high-precision reference generation method and system, and relates to the field of semiconductor chips. The high-precision reference generation method comprises the steps that: an internal reference source and/or a bias source are/is adjusted according to a digital circuit method so as to achieve the high-precision reference or bias, and internal control variable sampling, a digital calibration interface, a digital calibration processor, a data storage device, a compensation controller and digital calibration processing are arranged inside; a calibration signal of an analog reference is added to the outside in the digital calibration interface, so that the digital calibration interface realizes high-precision reference or bias under various required working conditions; and when in a calibration state, the internal reference is corrected through the external high-precision reference under various working conditions, and when in a normal working condition, the interior is compensated in real time through digital processing, so that the high-precision reference or bias is achieved. In addition, the invention also provides a high-precision reference generation system.

The invention discloses a reactor internal reliability analysis system and method based on data mining, and the method comprises the steps: building evaluation indexes in a modeling process through supervised learning, so as to measure the advantages and disadvantages of a model, and obtaining two types of modeling indexes for evaluating the reliability of a reactor internal; based on the determined indexes for evaluating the health state of the reactor internals, conducting dimension reduction processing on the collected data, and constructing service features for reliability evaluation; reconstructing a current sample into a sample set with time sequence based on the time sequence characteristic of the reactor internal operation state data, and establishing a model framework through a long-short-term memory recurrent neural network prediction method. The model training process is based on the prediction purpose, a cross entropy loss function and an Adam optimizer are selected, algorithm model parameters are searched, and the reliability of reactor internals is predicted. The method has high recognition precision and generalization ability, is good in performance, and is suitablefor health state recognition and reliability judgment of reactor internals.

The invention discloses a transport support used for components and parts. The transport support includes a frame; the frame includes an upper layer frame and a lower layer frame; the upper layer frame and the lower layer frame are connected together through longitudinal support rods each of which is located on each corresponding corner of the four corners; the four edges and two diagonals of theupper layer frame corresponding to the lower layer frame are respectively provided with multiple columns passing through the frame; the columns include outer sleeves and inner sleeves whose one ends are located at the internal of the outer sleeves, and the sizes of the overlapping sections of the inner and outer sleeves can be adjusted; the top ends of the inner sleeves are in hollow structures, and the outer circumferences of the hollow structures are provided with fixing holes; and supporting pads for supporting to-be-transported components and parts are installed at the internal of the hollow structures. Through the arrangement of the outer sleeves whose positions can be freely moved and inner sleeves whose heights can be freely adjusted, adjustment of the outer sleeves and inner sleeves according to the sizes and shapes of the to-be-transported components and parts can be guaranteed, and therefore, universality requirements for the transport of different components and parts can bemet.