128results about How to "Guarantee the quality of operation" patented technology

The invention provides a device and method based on BIM (Building Information Modeling) and operation and maintenance information interaction in intelligent building management. The device comprises asource data layer, a data storage layer, an external access layer, a platform application layer and a mobile and WeChat terminal, wherein the source data layer is used for extracting information, including the BIM, a GIS (Geographic Information System) model, an equipment standing book, equipment dynamic data and the like; the data storage layer is used for storing and matching models, information and data; the external access layer is used for extracting and accessing intelligent subsystem information; the platform application layer is used for BIM data interaction management and receiving and releasing an instruction; and the mobile and WeChat terminal is used for the mobile office of field management personnel. By use of the method, the "intensive construction, resource sharing and standard management" of the whole BIM operation and maintenance platform can be realized, on a premise of non-repetitive construction, the practical situation of a project is combined, big data, cloud computation, a BIM technology and an IOT (Internet Of Things) technology are used to comprehensively integrate each subsystem, data information and service resource on the basis of a uniform platform, and the operation and maintenance management level and the integrated service ability of a building are improved.

The invention relates to a method for brazing a compact efficient titanium alloy plate-fin heat exchanger, which adopts an amorphous titanium based brazing filler metal brazing titanium alloy with lower melting point which is between 820 and 840 DEG C, wherein the optimum clearance of the amorphous titanium based brazing filler metal brazing titanium alloy is between 20 and 90 microns, the optimum brazing temperature is between 850 and 900 DEG C, the optimum brazing time is between 10 and 15 minutes, the heating rate before soaking a workpiece is between 10 and 15 DEG C per minute, the heating rate for brazing after the soaking is 15 DEG C per minute, the cooling rate for the brazing filler metal to become solid from liquid is not less than 15 DEG C per minute, and a vacuum system only can be closed when the temperature is below 150 DEG C. Through strict selection and purchase of materials, precise part machining, careful part cleaning, brazing filler metal arrangement according to a process, precise assembling and clamping, and performing brazing according to a stated brazing process, a helium gas leakage test shows that the integral leakage of the product is 9*10<-8>PaM<3>/S which is in accordance with the standard requirement.

The invention provides a ground routing inspection method and system for a transformer substation. The ground routing inspection method for the transformer substation comprises the steps that a navigation magnetic rail used for navigation of a routing inspection path is laid in the transformer substation, and a radio frequency identification ID card is arranged in a device to be inspected; a routing inspection robot is made to advance along the navigation magnetic rail, the device to be inspected is recognized through the radio frequency identification ID card, and video data of the device to be inspected are acquired through a camera shooting device of the routing inspection robot; the video data are transmitted to a remote monitoring end through a wireless bridge. According to the ground routing inspection method and system for the transformer substation, navigation and positioning of the routing inspection path can be achieved easily and accurately, the structure is simple, and cost is low.

A water-proof dust-proof and salty-mist proof cooling fan, comprising: a fan frame, which is provided with a fixing round stage inside, and a fixing sleeve is disposed in a center of said fixing round stage; a ring-shaped U slot is provided in a bottom end surface of said round stage, such that a sealing circle is provided in said ring-shaped U slot; a water-proof cover body, fixedly connected to said fan frame through said sealing circle; and a fan-blade hub, where an inverse cone-shaped fixing table is provided protruding from a cavity center of said fan-blade hub, and said fixing table is connected to a main axis. Said round stage is a blind hole, with its open end provided at a bottom portion of said fan frame, such that said round stage, said sealing circle, and said cover body together form a tight-sealing enclosure.

The invention relates to a high-flexibility three-DOF (Degree of Freedom) spatial parallel mechanism, belonging to the technical field of numerical control machines, and comprising a mobile platform, a fixed platform, a first branched chain, a second branched chain and a third branched chain, wherein the mobile and fixed platforms are provided with an actuator respectively; the first and second branched chains are connected between the mobile and fixed platforms and have the same structure; and the third branched chain is connected between the mobile and fixed platforms and has a structure different from the structure of the first second branched chains. The first, second and third branched chains all contain an actively-driving kinematic pair and are respectively connected with the fixed and mobile platforms to form a spatial parallel closed-loop mechanism. The spatial parallel closed-loop mechanism drives the mobile platform to move by three input motions to realize one mobile DOF and two rotational DOFs. The spatial parallel mechanism has high flexibility, specific rotational axis, relatively simple associated movement and other characteristics, and the operation precision and quality of the mechanism can be ensured more easily.

The falling preventing paired roller apparatus includes track, and two rollers in the basically same structure and set on two sides of the track. Of the two rollers, at least one is active roller with axle controlled by a drive mechanism and a normally closed brake. The rollers on the two sides of the track contact the track to form a basically symmetric arrangement. One force applying unit makes the two rollers generate equal and opposite pressures on the track to overcome gravitational force. The present invention has the advantages of simple structure and wide use, and may be used widely in vertical or inclined transportation machines.

The invention discloses an intelligent heat exchange station. The intelligent heat exchange station comprises a monitoring center, a control unit and a heat supply network second-level heat exchange station, wherein a plurality of adjusting monitoring devices are arranged in connecting pipelines of the heat supply network second-level heat exchange station, the adjusting monitoring devices are connected with the control unit, and the control unit collects data of the adjusting monitoring devices in the heat supply network second-level heat exchange station, carries out processing on the data, sends the data to the monitoring center in a wired or wireless mode, and carries out cooperation monitoring with the monitoring center or independent monitoring. According to the intelligent heat exchange station, a large number of physical quantities are monitored and are collected in real time through the control unit and the monitoring center, real-time collection and processing are carried out on parameters through a PLC, the running state and the running quality of a heat supply system can be mastered in a macroscopic mode, operating parameters of the heat supply system can be ensured, full-automatic adjustment is carried out on water power working conditions and heating power working conditions of a heat supply network, influence of coupling of heat exchange stations is eliminated, water supply imbalance of the heat supply network is eliminated, and the heat supply effect is balanced.

The invention provides an anti-interference circuit, a mobile terminal and a method for suppressing harmonic interference. The method comprises the following steps: acquiring a base frequency signal by detecting a frequency band in which the mobile terminal is positioned; performing frequency doubling, amplification and delay processing on the base frequency signal to obtain an anti-interference signal which has the same frequency and amplitude as an interference signal, and is reverse to the interference signal in phase; and outputting the anti-interference signal and a communication signal of the mobile terminal together in order to eliminate the interference signal in the communication signal. The base frequency signal is subjected to frequency doubling to generate the anti-interference signal which is reverse to the interference signal in phase, and the anti-interference signal is output together with the communication signal in order to offset the interference signal, so that radio frequency interference caused by higher harmonics generated by the base frequency signal in the communication signal is eliminated; normal running and conversation quality of the mobile terminal are ensured; and the user experience is improved.

The invention discloses an optical cable splicing method. The optical cable splicing method includes the following steps: (1) selecting an optical cable with the appropriate length and winding the end face of the optical cable with adhesive tape; (2) peeling the optical cable, wherein another person makes the preparation work for tools and materials needed by an optical cable splice closure, an optical cable fusing device and fusing while one person peels the optical cable; (3) conducting the fiber core splicing working procedure; (4) in the optical cable splicing process, conducting real-time measurement at the other end of an optical fiber while fusing is carried out by another worker, and instantly notifying the worker to conduct fusing again when it is found that fusing losses exceed the standard. By means of the method, the optical cable splicing process is reasonable, the optical cable fusing losses are small, time is saved, the process is good, the optical cable splicing quality is improved, the communication quality is better improved, and the better communication guarantee is provided for other relevant departments; meanwhile, the attractive appearance is guaranteed, and the optical cable operation quality is guaranteed.

The invention provides a parallelism checking device for a spinning carding machine cylinder four-corner positioning detector. The device comprises a base, the base is provided with a detection flat plate, and a plurality of leveling feet are arranged between the base and the detection flat plate; a cross-shaped limit groove is formed in the detection flat slab, and a clamping part is arranged at one longitudinal end of the cross-shaped limit groove and arranged in the cross-shaped limit groove through a hand-tight screw; a groove is formed in the other longitudinal end of the cross-shaped limit groove, and a lead screw nut is arranged in the groove through a plurality of positioning screws; a lead screw is arranged on the lead screw nut, and a standard module is arranged at the front end of the lead screw and arranged in the cross-shaped limit groove; an operating handle is arranged at the back end of the lead screw. The parallelism checking device is simple in structure and convenient to operate and can ensure the equipment running quality after machine leveling when being used for positioning detection of a cylinder in a machine frame.

The embodiment of the invention discloses a computing power resource allocation method and device, equipment and a storage medium, containers corresponding to different business configurations, a computing power resource quota corresponding to each container configuration converts a first instance into an instance task when the submitted first instance is obtained for a target business, and according to a corresponding relationship between the business and the container, the target container corresponding to the target computing is determined. Iif it is determined that no available computing power resource exists in the target container according to the computing power resource quota corresponding to the target container, the instance task corresponding to the first instance is controlledto enter a task queue of the target container. When it is monitored that the available computing power resources appear in the target container, the target instance task is scheduled from the task queue to be put into operation. Since different services are isolated through the container, examples of the same service share the computing power resources of the same container, even if priority preemption occurs during scheduling, the priority preemption is only constrained in the container, the problem of computing power resource preemption among different services is avoided, and the user experience is improved.

The continuously reinforced concrete pavement end processing method is easy to treat the continuously reinforced concrete pavement end. Its special steps are as follows: 1) cutting seam and slotting. 2) Clearing preset slot. 3) Transportation and installation. 4) Welding. 5) Pouring cement concrete. 6) Embedding maurer expansion joint sealing rubber belt. With the good performance of the maurer expansion joint, it has advantages of wear resistance, antiskid, waterproof, good anti-aging performance, small vibration, no noise, long service life and easier maintenance etc.

The invention discloses a video resource mirror image loading broadcasting method and system based on internet live streaming rooms, and relates to the field of video resource broadcasting in network live streaming rooms. The method includes the following steps: a front desk server performing mirror image indication on a designated internet live streaming room, a Flash server buffering the video resource in the mirror image internet live streaming room; if the front desk server monitoring that if a user ID logs out the mirror image internet live streaming room, the front desk server delivering a floating window that is established to the list interface of the internet live streaming room of a client to which the user ID belongs; the Flash server loading the buffered video resource to the floating window; if the floating window is clicked, the client automatically loads the video resource in the floating window to a corresponding network live streaming room. According to the invention, the method and the system enable users to watch video resources of the mirror image live streaming room that is logged outthrough the floating window; the user can re-enter the internet live streaming room by clicking the floating window. The method and the system have simple operation and are easy to promote.

The invention relates to a water treatment technology building method when a circulating water system is designed by a designer and a professional engineer. The water treatment technology building method of the circulating water system comprises the steps of: confirming the water quality parameter of the circulating water system; confirming the water quality parameter of make-up water; confirming a make-up water treatment technology of the circulating water system and selecting equipment; selecting the water treatment technology and the equipment of the circulating water system; and selecting a daily monitoring technology and equipment of the circulating water system. The water treatment technology building method of the circulating water system comprehensively considers the influence of each parameter which influences the circulating water system, comprehensively considers the complex relation and the mutual influence force of each factor, and confirms the standardized index which is suitable for each water quality parameter of the make-up water and circulating water of different circulating water systems, so that the most reasonable configuration of the circulating water system can be realized by the optimum treatment technology and the optimum equipment when the circulating water system is designed and operated.

The invention discloses a four-dimensional multi-angle evaluation system for enterprise process management, relates to the technical field of information, and belongs to the technical field of aided decision-making and comprehensive evaluation. The four-dimensional multi-angle evaluation system comprises three functional modules, respectively being a four-dimensional process database, a process quality standardization database and a multi-angle process evaluation module; the evaluation system performs an evaluation process including the steps of: customizing a process quality standardization system and storing event information of the four-dimensional process database, and a random multi-angle process capability evaluation method is adopted. The key point of the four-dimensional multi-angle evaluation system is to construct a four-dimensional process data model of enterprise production management events; according to the four-dimensional multi-angle evaluation system, true and objective evaluation from multiple directions of the enterprise production management process is thoroughly achieved, all data for analyzing comes from actual events in an enterprise production management process, and the more scientific and comprehensive multi-angle process capability evaluation method is adopted. The four-dimensional multi-angle evaluation system is reasonable in design and strong in practicability, and can provide important references and actual bases for optimization and reorganization operation of an enterprise business process.

The invention discloses a method for testing first startup of first machines of pumped storage power stations. The method includes testing working conditions of water pumps of units; testing power generation working conditions of the units; testing working condition transformation; testing accidental shutdown. The guide vane opening is 17 degrees during tests for the working conditions of the water pumps of the units; guide vanes can quickly pass small guide vane opening zones of 0-5 degrees at the starting speeds of 2 degrees/second when pressures generated by the water pumps reach zero-flow lift and input power, load limiters of speed regulators are switched on by 100%, and accordingly the guide vanes can be opened to reach set opening of 17 degrees for the working conditions of the water pumps; closing law for the guide vanes includes closing total stroke of the guide vanes within 15 s if power sources are suddenly cut off in tests for working condition transformation and tests for accidental shutdown; closing law for water inlet ball valves includes that the valves are closed to reach opening of 20% from the original opening of 100% for the duration of 24.8 s in first sections and are closed to reach opening of 0 from the original opening of 20% for the duration of 37.2 s in second sections. The method has the advantages that economic benefits can be increased, the integral units are difficult to break down and are under good running conditions, the method is short in test cycle and high in work efficiency, and the service lives can be prolonged.

The invention relates to a power converter component importance evaluation method based on a complex network. The power converter component importance evaluation method based on the complex network comprises the steps that (1) an actual topology of a power converter is abstracted to form a complex network model, nodes in the complex network model serve as electronic components of the power converter, and edges of the complex network model serve as wires used for connecting the electronic components; (2) a component importance evaluation matrix is built according to the complex network model, and the component importance evaluation matrix uses proximity of the nodes to represent global importance of the nodes, and uses node degree values and contribution values of adjacent nodes to represent local importance of the nodes; (3) the importance of the electronic components is obtained from the component importance evaluation matrix. The power converter component importance evaluation method based on the complex network solves the problem that a traditional importance evaluation method cannot be easily and directly applied to the power converter, key components of the power converter can be effectively identified, the reliability design of the key components is directed, operation quality of the power converter is ensured, and the power converter component importance evaluation method based on the complex network is low in complexity and facilitates application.

The invention relates to a stamping die, which includes an upper template, a lower template, a punch and a base, and is characterized in that it also includes a waste material exporting mechanism, and the base is a hollow base installed inside the base. There is a waste material export mechanism, which is composed of a cylinder, a controller, a weight sensor and a push plate. A cylinder is installed at one end in the length direction of the base, and a push plate is installed at the cylinder rod of the cylinder. The weight sensor is embedded on the bottom surface of the base, the weight sensor is connected with the controller, and the controller is connected with the air cylinder control. The invention has the advantages of scientific and reasonable structural design, low labor intensity, easy realization, the ability to ensure operator comfort and product quality, easy transportation and storage, small space occupation, and low noise. It is a highly innovative stamping machine. mold.

The invention provides a novel sliding door. An active door is driven to move by meshing of a driving gear on a motor and a rack. The active door is provided with two first pulleys and a first flexible connecting piece arranged on the first pulleys in a sleeving mode. The two parallel sections of the first flexible connecting piece are separately connected with a door head and a first driven door,and when the active door moves, the first flexible connecting piece drives the two first pulleys to rotate, thereby driving the first driven door to move. The time of opening and closing the slidingdoor is greatly reduced, cables do not need to be laid, the structure is simple, and parts of the sliding door are easy to replace. The distance between the two first pulleys can be adjusted, the degree of tightness of the first flexible connecting piece can be adjusted, and the problem that the first flexible connecting piece becomes loose as the use time becomes longer is solved. The sliding door does not need to be disassembled for replacement, the service life of the first flexible connecting piece is prolonged, and the operating quality of the sliding door is not affected.

A position fine tuning device for a unit-type die cutting & hot stamping machine includes at least two imprinting elements, wherein paper of the imprinting elements is delivered by the gripper installed on the chain. The present invention is characterized in that a positioning element is disposed on an input end of a first unit imprinting element and a positioning element is disposed on an output end of each imprinting element. Two neighboring positioning elements accomplish the positioning between the two positioning elements together. By providing the fine tuning elements, the accuracy in the art of die cutting & hot stamping can be assured when the machine is performing a multiple-working-position procedure; whereas, by setting up the reference positioning, it assures that the standards of the front and rear positioning are consistent.

The invention discloses an operation resource allocation method and device, computer equipment and a readable storage medium. The invention relates to the technical field of the Internet, which constructs an operation resource allocation model, adopts the operation resource allocation model to perform resource allocation on the store to be allocated, reallocates operation resources subsequently, allocates the resources regularly according to actual conditions, reduces cost and allocation errors, ensures operation quality, and improves operation efficiency and user viscosity. The method comprises the steps of obtaining historical operation information of a to-be-distributed store; constructing an operation resource allocation model based on the historical operation information of the to-be-allocated store; extracting a first target operation resource from the at least one to-be-allocated operation resource, and allocating the first target operation resource to the to-be-allocated store;recording the operation duration of the first target operation resource allocated to the to-be-allocated store; and when the operation duration reaches the duration threshold, controlling the to-be-allocated store to perform operation resource allocation again.

The invention relates to a process for extracting RNA and DNA simultaneously. The process comprises the steps of: cracking the sample to be detected using virus cracking liquor; concentrating the nucleic acid (RNA and DNA) in said sample by precipitation; drying the precipitate and storing it at a temperature of -20íµ or directly performing nucleic acid amplification after dissolution. The process has a stable yield, and quality index control can be carried out for the entire preparation process.

The invention relates to a screen interface display method and system. The method comprises the steps of obtaining screen interface data and judging whether the resource occupancy rate of a current terminal processor is higher than a first preset value or not in real time; if so, rendering the screen interface data according to a first rendering mode, obtaining a first rendering image and displaying the first rendering image; and if not, rendering the screen interface data according to a second rendering mode, obtaining a second rendering image and displaying the second rendering image. When the resource occupancy rate of the current terminal processor is relatively low, a screen interface image can be well rendered and displayed by adopting the second rendering mode; the resource occupancy rate of the processor in the first rendering mode is lower than that in the second rendering mode; and when the resource occupancy rate of the current terminal processor is relatively high due to operation of a remote application program before rendering, a free resource can be left in the processor by adopting the first rendering mode, so that the operation quality of the remote application program can be ensured.