13results about How to "Process control" patented technology

The utility model discloses a wheel hub motor cable, which relates to the technical field of cables and comprises a brake control line, a motor temperature sensor line, a support layer, a power line core, a shielding layer and an outer sheath, the support layer, the power line core, the shielding layer and the outer sheath are sequentially distributed from inside to outside, and the brake control line, the motor temperature sensor line and the power line core are respectively wrapped by an insulating layer. The brake control line and the motor temperature sensor line are located in the shielding layer, and the brake control line and the motor temperature sensor line are hinged to each other; the brake control wire, the motor temperature sensor wire and the power wire core are distributed on the outer circumference of the supporting layer; and the bending resistance is better.

The present application relates to a relay, an energy storage system, a control method and an electrical device. The relay includes: a coil loop, a main loop contact, a current detection component and a relay diagnostic circuit. The relay diagnostic circuit is connected to the coil loop and the current detection component respectively. Among them, the current detection component is used to collect the current of the main loop where the main loop contact is located, and send the current of the main loop to the relay diagnostic circuit; the relay diagnostic circuit is used to control the coil loop to switch to a disconnected state when the current of the main loop is greater than the preset current, so as to control the main loop contact to switch to a disconnected state. It can be seen that in the embodiment of the present application, the current detection component arranged inside the relay can quickly detect whether there is an overcurrent in the main loop, and the relay diagnostic circuit can be used to disconnect the relay in time, thereby helping to protect the relay and / or electrical equipment.

The invention relates to a hydropower station edge control system and method. The system comprises a multi-source data acquisition module used for acquiring multi-source data of a hydropower station; the plurality of controller nodes are in communication connection with the multi-source data acquisition module, and are used for receiving the multi-source data, analyzing the multi-source data in real time through an artificial intelligence model to obtain an evaluation result, and performing real-time PLC control on equipment of the hydropower station according to the evaluation result and / or control logic; the artificial intelligence model is used for carrying out fault diagnosis and prediction on equipment of the hydropower station, so that the requirements of different-scale systems of the hydropower station on control and intelligent analysis fusion deployment can be met.

The invention relates to the technical field of metallurgical engineering, in particular to a method for preparing high-grade matte nickel through efficient smelting of laterite-nickel ore. The method comprises the following steps: (1) adding a product obtained by smelting laterite-nickel ore by adopting an RKEF process as a raw material into an alkaline pretreatment converter to form furnace liquid; (2) a top lance and a bottom lance of the alkaline pretreatment converter are matched for oxygen supply blowing to obtain high-nickel molten iron; (3) adding the high-nickel molten iron into an acidic AOD furnace for vulcanization, and carrying out combined blowing to obtain high-nickel matte; the combined blowing in the step (3) comprises blowing by utilizing a top lance and a side lance of the acidic AOD furnace in cooperation with oxygen and nitrogen-oxygen mixed gas. By adopting the method disclosed by the invention, process parameters and reaction conditions of each stage can be more accurately controlled, the content of smelting components can be more effectively adjusted to meet the component range of the high-grade matte nickel, the iron content is further reduced, the purity and yield of the high-grade matte nickel are improved, and efficient preparation of the high-grade matte nickel is realized.

A GLP-1 / GIP dual-targeted polypeptide, containing a first polypeptide having the following amino acid sequence : X1X2X3GT FX4SDY SX5X6X7X8 X9X10X11X12X13 X14FX15X16W LX17X18X19, wherein X1 is Y or H, X2 is A or G or S, X3 is E or Q, X4 is I or T, X5 is I or K, X6 is A or Y or L or I, X7 is M or L, X8 is D or E, X9 is K or E, X10 is I or Q or K or E or L, X11 is H or A or R, X12 is A or Q or V, X13 is K or Q or R or H, X14 is D or E or A or L, X15 is V or I, X16 is N or E or D or Q, X17 is L or I or K or V, X18 is A or E or K, X19 is Q or G; X1~X13 do not satisfy at the same time that X1 is Y, X2 is A, X3 is E, X4 is I, X5 is I, X6 is A, X7 is M, X8 is D, X9 is K, X10 is I, X11 is H, X12 is Q, X13 is Q, X14 is D, X15 is V, X16 is N, X17 is L, X18 is A, X19 is Q. The GLP-1 / GIP dual-targeted polypeptide can effectively reduce the weight and blood sugar level.

The invention discloses a civil aircraft process key parameter dynamic definition-oriented method and system and a medium. The method comprises the following steps: acquiring a classification structure tree; selecting any child node, creating a parameter management and control object under the child node, and generating a version number corresponding to the parameter management and control object according to a preset version rule; creating header content of the parameter management and control object; creating main content and termination content of the parameter management and control object; the header content, the subject content, and the termination content are associated to a parameter management object having a version number, and an object instance is created based on the parameter management object for dynamic use in process manufacturing. Dynamic expansion and control of key process parameters are realized through main body contents of parameter control objects, standardized control, free dynamic states of forms, numerical calculation between data and consistent control of parameters are realized, and many civil aircraft research and development and manufacturing links such as engineering research and development, process design, manufacturing execution, quality analysis and the like are broken through.

The present invention provides a supercritical carbon dioxide cycle power generation system with adjustable back pressure and a control method, including a working fluid replenishment unit, a main cycle working unit and a back pressure regulating unit. In the present invention, the discharge tank and the inlet tank are independently arranged, and the discharge tank can independently control the back pressure, and the inlet tank can independently control the compressor inlet pressure. The back pressure regulating unit is provided with three groups of pressure regulating valves, which can meet the regulation and control of the supercritical carbon dioxide cycle unit in the full operating cycle of working fluid filling before starting, CO2 turbine rushing constant speed, load variable working conditions, etc. When the unit is running in the high load stage, the back pressure of the unit can be controlled at a stable value through the pressure regulating valve, which is more conducive to the regulation of the speed. At the same time, by adjusting the back pressure, the pressure of the exhaust tank is stabilized at a certain boundary value, which can avoid the system from further limiting the ability to carry a large load due to high exhaust pressure caused by factors such as excessive circulation resistance, reduce the operating risk, and avoid the tripping accident of the CO2 turbine due to high exhaust pressure.

The utility model relates to a large mechanical device capable of simulating branch growth movement. The large mechanical device comprises a crown, a trunk and a plurality of movable branches evenly distributed along the circumference of the trunk. The movable branch comprises a base, a first electric push rod, a second electric push rod, a second support arm, a third electric push rod and a third support arm; the base is fixed to the ground. The tail end of the first electric push rod is connected to the base through a pin shaft; the head end of the first electric push rod is connected with the first support arm through a pin shaft; the first support arm is connected to the base through a pin shaft; the second support arm is connected with the first support arm through a pin shaft; the head end of the second electric push rod is connected with the second support arm through a pin shaft; the tail end of the second electric push rod is connected with the first support arm through a pin shaft; the third support arm is connected with the second support arm through a pin shaft; the tail end of the third electric push rod is connected with the second support arm through a pin shaft; the head end of the third electric push rod is connected with the third support arm. According to the utility model, the branch is divided into a plurality of sections, and each section can be independently lifted and bent to simulate the growth process of a large tree.

The utility model provides a hydraulic engineering check gate structure, which belongs to the technical field of hydraulic engineering, and comprises a supporting assembly, a base, a stand column fixedly connected to the side wall of the base, a shell fixedly connected to the end part of the stand column, and a bottom plate fixedly connected to the side wall of the shell, the gate assembly comprises a gate plate inserted in the middle of the shell, a guide column fixedly connected to the upper end of the gate plate, a motor fixedly connected to the side wall of the shell, and a main shaft rotationally installed in the shell. The lifting gate has the advantages that the supporting assembly and the gate assembly are used in cooperation, stable and accurate lifting of the gate plate can be achieved, river channel water flow is accurately controlled, the operation requirements of water conservancy projects under different working conditions are met, water flow leakage is effectively reduced, impact force in the lifting process of the gate plate can be buffered, and the service life of the gate plate is prolonged. Abrasion of parts is reduced, the service life of the check gate is prolonged, maintenance cost is reduced, and the check gate adapts to water flow conditions and working condition requirements of different river channels and operates stably and reliably.

The invention discloses multifunctional smart home control equipment, and relates to the technical field of smart home control equipment. Comprising a host and a heat dissipation assembly arranged in the host, the host comprises a lower shell and an upper shell clamped to the top of the lower shell, a touch screen is embedded in the top of the upper shell, a mainboard is arranged at the bottom of the upper shell, and a battery is arranged in the lower shell. Compared with a traditional mode, the host is provided with a battery for power supply and can move freely, so that the host can adapt to various application fields, is portable and easy to use, meets connection and control of various smart homes, has infrared communication IRDA besides Wi F i in the communication aspect, is lower in power consumption compared with Wi F i, provides a Proto function on the front side of the equipment and supports an IO expansion interface, and is more convenient to use. In addition to the hardware implementation function of the equipment in the aspect of development, an expansion board can be used on the Proto expansion interface for connection development, and the application scene is wider.

This application relates to an automatic packaging device for electricity meters, belonging to the technical field of electricity meter related products. It includes electricity meters to be packaged, a conveyor belt, an electricity meter identification unit, an electricity meter rejection unit, a conveyor belt, a reset guide unit, an operating table, a packing robot, packaging boxes, and a controller. In this application, the automatic packaging device places packaging boxes with identification codes at one end of the conveyor belt, and inputs the identification code information through the controller. Then, the electricity meters to be packaged are conveyed to the electricity meter identification unit via the conveyor belt. This unit checks whether each electricity meter matches the identification code of the packaging box. If they match, the electricity meters continue to the operating table via the reset guide unit; if they do not match, they are rejected by the electricity meter rejection unit and conveyed to another station by the conveyor belt. The packing robot picks up qualified electricity meters from the operating table and places them into the correct packaging boxes, thus completing the entire electricity meter packaging process.

This invention discloses a hardware module configuration method based on the ECN bus, comprising the following steps: scanning all hardware modules in the current hardware configuration using hardware configuration software, parsing and configuring all hardware modules to obtain configuration information; mapping the configuration information to the CPU memory address of the PLC module to establish communication with all the hardware modules; and downloading the programming software's executable program based on the configuration information to realize the configuration of the PLC system based on trusted hardware module information. This method, based on the hierarchical and loosely coupled management of PLC programming software, embedded software, communication bus, and hardware modules, achieves a single definition of hardware modules that is universally applicable throughout the system, reducing the workload of engineering configuration and effectively improving work efficiency and accuracy.

The present application relates to a kind of analytical methods for determining hydrogenation rate of hydrogenated nitrile, comprising the following steps: using high-field nuclear magnetic or low-field nuclear magnetic, hydrogenated nitrile sample containing solvent is tested, setting sampling parameter, acquisition one-dimensional nuclear magnetic resonance diffusion ordering spectrum spectrum diagram;Hydrogenated nitrile corresponding chemical shift and integral area information are obtained by one-dimensional nuclear magnetic resonance diffusion ordering spectrum spectrum diagram, combined with nitrile raw material component information, calculate hydrogenation rate;The nitrile raw material component information includes acrylonitrile content, 1,4-butadiene content, 1,2-butadiene content;Hydrogenated nitrile corresponding chemical shift and integral area information include saturated aliphatic hydrocarbon signal integral area, 1,4-butadiene CH=CH signal and 1,2-butadiene CH= signal integral area, 1,2-butadiene CH2= signal integral area.Compared with prior art, the present application is a kind of analytical methods for determining hydrogenation rate of hydrogenated nitrile containing solvent, which can be used in nitrile hydrogenation process, and hydrogenation rate is rapidly analyzed after hydrogenation reaction.