55results about How to "Easy to modify and maintain" patented technology

The invention discloses a method for converting an image from a red-green-blue (RGB) color space to a luma and chroma (YUV) color space. A format control part is encapsulated into an independent module; during conversion of an image, three parameters, namely a source RGB format, a target YUV format and an image resolution, are transmitted into the format control module, processed by the format control module and transmitted out of the format control structure; an image conversion module calls the format control structure to finish calculation of residual values; and the same control structureis used in the conversion of the images having the same source RGB format, the same target YUV format and the same image resolution. By using the technical scheme, a large amount of calculation can be saved and the processing speed can be increased during conversion of a video image.

The invention discloses a Newton-process power flow calculation method for study purpose and provides a Newton-process power flow calculation method which is easy to correct and maintain for research personnel conducting further researches on the basis of Newton-process power flow calculation. Adopting the basic principle steps of a polar coordinate Newton method, the invention provides a method for improving the speed of power flow calculation by avoiding unnecessary calculation through simple logic judgment on the basis of the analysis of the components of the power flow calculation. In thetechnical scheme of the invention, unnecessary calculation is avoided by making simple judgment in a Jacobimatrix forming module and a correction equation Gaussian elimination module. When the methodis used for performing calculation on a 445 node actual large-size grid, the calculation time is 0.484s, and the calculation speed can meet requirements for scientific research completely.

The invention discloses a menu visualization configuration method, a device and a storage medium. The method comprises the following steps: a display layout component and a menu node component are loaded in a menu configuration interface; displaying a layout template selected in the layout component in a menu configuration interface according to a first operation, wherein, each position in the layout template is provided with corresponding cascading attributes; a menu node in the menu node component is added to a selected location of the layout template according to a second operation, and themenu node is displayed to determine a cascading relationship of the menu nodes based on cascading attributes of the selected location. The invention gives the user the direct configuration feeling, what he sees is what he gets, the error probability is small, the menu item is easy to modify and maintain, and the like, which greatly improves the efficiency and reliability of menu integration.

The invention discloses a low power consumption architecture system of an ultra-high frequency passive RFID digital baseband. The system comprises a radio frequency analog front end, a digital baseband processor part and a memorizer; the radio frequency analog front end is mainly used for converting AC radio frequency energy received by an antenna into DC energy available for other circuits of a label through a rectifying circuit, recovering data transmitted by a reader from the received radio frequency through a detection circuit, and producing a clock signal for driving the work of the digital baseband processor part through a clock production circuit, and modulating and sending the signal returned by the label; the protocol processing is performed through the main load of the digital baseband processor part; and the memorizer is used for memorizing related useful information. Through the improvement, the structure can effectively and uniformly distribute the power consumption of theelectronic label to the whole work time by combining with a power supply management mechanism including a gated clock, thereby reducing the maximum instant power consumption.

The invention discloses a fabricated wall structure. According to the technical scheme, the fabricated wall structure comprises plates and pipes for being connected with the plates, the outer walls ofthe pipes are recessed in the radial direction in the direction of the axes of the pipes to form guide grooves, the guide grooves are vertically through in the length direction of the pipes, groovesmatched with the shape of the pipes are formed in the two sides of each plate, waterproof plates are fixed into the grooves, and the waterproof plates and the guide grooves are matched and slide relatively. The problem that water seepage happens at the joint of an existing fabricated wall structure is solved.

Provided is a system and a method for optimizing structural noise uncertainty. The system comprises a system framework program and five sub-modules, namely, structural acoustic characteristic deterministic analysis module, structural acoustic characteristic uncertainty analysis module, structural noise certainty optimization module, structural noise uncertainty optimization module and post processing module. By the aid of the method, structural noise uncertainty optimization design is achieved on the basis of deterministic analysis and uncertainty analysis of structural acoustic characteristics. The method integrates an optimization model of solving an uncertainty problem and various algorithms in the system, and provides a convenient tool for non-professionals to conduct structural noise uncertainty analysis and optimization.

The invention discloses a network page scroll display special effect implementation method. The method includes: step 1) distributing reference element pictures to be subjected to scroll display in anetwork page and a scroll display vessel ID in the page; step 2) acquiring jQuery plug-in according to interface codes, wherein the jQuery plug-in includes codes of multiple velocity curve formulas; step 3) acquiring scroll display special effects set by a user, and implementing corresponding page scroll display according to corresponding codes of the jQuery plug-in, the reference element picturesand the scroll display vessel ID in the page.

The invention relates to a solar intelligent control constant-current all-in-one machine comprising a charging control module, a signal acquisition module, a communication module, a microprocessor and a constant-current control module. The microprocessor receives charging information from the charging control module, acquisition information transmitted by the signal acquisition module, and communication information transmitted by the communication module in real time to carry out signal analyzing and processing and transmits the processed processing information to the constant-current control module; the constant-current control module is controlled to supply power for a load. According to the invention, wireless setting for the load parameter and intelligent load controlling can be realized by the communication module; the utilization efficiency of the solar panel as well as the effect of energy conservation and consumption reduction can be improved by the charging control module; and the charging control module, the energy storage device, the communication module, the constant-current control module, and the microprocessor can be integrated, thereby improving the work efficiency.

The invention provides a laser automatic welding control method of a power battery pack. Full-automatic welding can be achieved through simple parameter inputting, alternate operation can be performed by using a double-laser welding device, the working efficiency is greatly improved, and when the model of the power battery pack is needed to be switched, the power battery pack model is modified on a PLC control touch screen only through mechanical adjustment, the operation is simple, and the maintenance and modification are convenient. The compatibility of product is good, one production line can be used for laser welding of most of soft-packaged battery packs on the market, and the performance cost ratio is high. The welding precision is good in controllability, a usage environment is good in compatibility, and an application range is wide.

The invention relates to the field of data analysis, in particular to an enterprise public opinion analysis method and device based on big data, equipment and a storage medium. The enterprise public opinion analysis method based on the big data comprises the following steps: obtaining enterprise data, and storing the enterprise data into a local database; calculating the score of the enterprise data, comparing the calculated score with a preset threshold value, and when the score is higher than the threshold value, marking the corresponding enterprise data; checking a local database regularly,and clearing unmarked enterprise data continuously for multiple times; and generating a corresponding enterprise public opinion report according to the enterprise data and the score. According to theinvention, the crawled enterprise data is supplemented to the local database to serve as custom data supplementation and serve as standby supplementation of a third-party payment data source, so thatavailable resources are rich, the expenditure of the third-party data source is reduced, and meanwhile, self-modification and maintenance are facilitated.

The invention discloses an I-shaped self-preheating burner with a grading function. The I-shaped self-preheating burner with the grading function is characterized in that a heat exchange cylinder sleeves an inner pipe; spray holes are distributed at the head end of the heat exchange cylinder; the tail end of the heat exchange cylinder is opened; the head end of the inner pipe is hermetically connected to the inner side of the head end of the heat exchange cylinder; the tail end of the inner pipe is closed; a grading ring slidably sleeves the inner pipe; the head end of the grading ring is located in an annular space between the tail end of the heat exchange cylinder and the inner pipe; an operating component at the tail end of the grading ring hermetically extends out of a shell; a combustion chamber is located in the head end of the inner pipe and hermetically penetrates out of the heat exchange cylinder; a central pipe hermetically penetrates into the inner pipe and extends to the head end of the combustion chamber; a grading pipe sleeves the central pipe; the head end of the grading pipe extends into the combustion chamber; the tail end of the grading pipe is hermetically mounted on the shell; an ignition electrode hermetically penetrates through the shell and extends into the inner pipe to enter the combustion chamber; a coal gas inlet, an air inlet and a smoke outlet are formed in the shell; the coal gas inlet communicates to an annular space between the tail end of the grading pipe and the central pipe; and a communication hole is formed in the side face near the tailend of the inner pipe. According to the burner, grading combustion in a high-temperature mode and a low-temperature mode is achieved, and NOx generation is reduced.

The invention provides a buffering braking mechanism of an electric injection molding machine. The mechanism comprises a servo motor, a fixing device, a connecting seat, a buffering braking device anda transmission mechanism, wherein the transmission mechanism comprises a first belt wheel, a second belt wheel and a transmission belt; the first belt wheel and the second belt wheel are connected through the transmission belt; the servo motor and the connecting seat are correspondingly fixed to the fixing device; the buffering braking device is fixed to the connecting seat through a screw; the servo motor is provided with an output shaft which penetrates through the fixing device, and the output shaft is connected to an inner circle of the buffering braking device through a flat key; the first belt wheel sleeves the output shaft; the second belt wheel is provided with a lead screw, and a nut is arranged on the lead screw; and the lead screw is connected to a moving part of the electric injection molding machine through the nut. According to the scheme, the mechanism has the advantages that the buffering braking device is arranged at one side of the output shaft of the servo motor, sothat the problem that a power mechanism of the electric injection molding machine is free from hydraulic buffering capacity can be solved; and the moving part of the electric injection molding machine is prevented from being damaged by the servo motor in case of out of control.

The invention relates to an assembled ecological self-drainage runoff base block which comprises a brick body, a runoff channel is formed in the bottom face of the brick body, two radius flow channels are further formed in the bottom face of the brick body, and the length directions of the two radius flow channels are both parallel to the length direction of the runoff channel. The two radius flow channels are located on the two sides in the length direction of the runoff channel respectively, and the brick body is prepared from, by weight, 280-320 parts of cement, 890-925 parts of first red brick recycled aggregate, 138-185 parts of second red brick recycled aggregate, 225-260 parts of medium sands and 146-190 parts of water. The assembled ecological self-drainage runoff base block has the effects of increasing the drainage speed of urban roads and effectively reducing the formation of accumulated water, and the brick body produced by utilizing the construction waste recycled aggregate has excellent compressive strength, water permeability and wear resistance, is suitable for sponge city construction, can be completed by assembling on-site construction, and is convenient to construct, and short in period. Convenient municipal pipe network maintenance and transformation are realized.

The invention belongs to the technical field of intelligent agricultural Internet of Things, and discloses a modern agricultural greenhouse monitoring system and method based on a low-power-consumption narrow-band wide area network. An environment data sensor module collects environment data through a sensor; a central data processing module receives data acquired by the environment data sensor module, stores and processes the data and then sends the data to a low-power-consumption narrowband communication module of the low-power-consumption narrowband wide area network; an instruction sent by the low-power-consumption narrow-band wide-area communication module is receive, the received instruction is analyzed and a corresponding control instruction is sent to the production action mechanism group; a production field action mechanism group responds to the control instruction sent by the central data processing module and executes a corresponding action; and the low-power-consumption narrowband wide area network receives the integrated data and carries out data uploading, network communication and information interaction. The system can achieve the functions of agricultural greenhouse management query, remote control, timing and fixed value control and the like, can reduce the production cost, improves the operation efficiency, and improves the crop yield and quality.

The invention discloses a metal window with a thermal bridge partition structure. The metal window comprises a metal window frame, a metal window body, an outer frame framework, and a heat insulation layer. The outer frame framework is fixedly connected with a wall body through a plurality of expansion bolts; the metal window frame is of a spliced structure and is mounted on the outer frame framework; the heat insulation layer is located between the outer frame framework and the metal window frame; the metal window body is of a spliced hollow structure and comprises a first metal window body and a second metal window body; a splicing position of the first metal window body and the second metal window body is of a vertical inserting structure; and the metal window body is hinged to the metal window frame through hinges. The metal window with the thermal bridge partition structure has the advantages that the bridge partition structure is reasonably designed, a thermal bridge is cut off, and the heat preservation performance is improved; and a simple splicing type structure is adopted, so that the assembly difficulty is reduced, the production difficulty and the cost are also reduced, and the purpose of building energy saving is achieved.