10results about How to "Precise automatic control" patented technology

The application discloses a dust ash pre-wetting mixing device, which comprises a blanking shell, first and second metering belt scales are installed on the top of the blanking shell, a dust ash batching bin is fixed above the first metering belt scale by bolts, a returned ore batching bin is fixed above the second metering belt scale by bolts, a dustproof cover plate is hinged to the top of the blanking shell by hinges, and a stirring cage shell is fixedly connected to the bottom of the blanking shell by flanges. The application solves the problem of insufficient wetting in the traditional process by means of segmented stirring and precise water spraying design. The coarse segment stirring shaft drives large lead screw spiral blades to rapidly disperse the material, the first atomizing nozzle group synchronously sprays water, the material is preliminarily wetted, the fine segment stirring shaft drives small lead screw spiral blades to finely stir, the second atomizing nozzle group supplements water, and the inner arc guide plate guides the material to form a circulating flow, so that the water is ensured to penetrate into the material.

This utility model relates to an automatic underwater screening device, comprising a main frame, a water tank, a housing, a screening fixture, and a screening fixture drive mechanism. The main frame and water tank are mounted on the housing, with the main frame located outside the water tank. The screening fixture drive mechanism is installed on the upper part of the main frame. The screening fixture drive mechanism includes a vibration source fixture, a linear bearing mounting bracket, a linear bearing, a tie rod, and a chain. The vibration source fixture and the linear bearing mounting bracket are mounted on the upper part of the main frame, and the linear bearing is mounted on the linear bearing mounting bracket. The tie rod is arranged vertically. The advantages of this utility model are: by integrating the main frame, water tank, housing, screening fixture, and drive mechanism into one unit, the equipment size is significantly reduced, facilitating transportation and installation, and solving the problems of large size and complex assembly of traditional split-type equipment.

The application provides a linear motion test system of a multi-channel inductive proximity sensor, relates to the technical field of aviation sensor testing, and comprises a base, a plurality of linear motion platforms installed on the base, a plurality of targets fixed on the linear motion platforms through target supports, a plurality of proximity sensors fixed on the base through sensor supports, a plurality of stepping motors for driving the linear motion platforms to move along a straight line, and an upper computer connected with the stepping motors through a CAN bus via a CAN distributor, for sending position control instructions to the stepping motors, so that the stepping motors drive the linear motion platforms to drive the targets to move, the distance between the targets and the proximity sensors is adjusted, the inductance values of the plurality of proximity sensors are collected by a measured controller, and performance verification is completed. The application realizes automatic and accurate control, reproduces real working conditions, improves the reliability of test data, adapts to the testing requirements of multiple scenes, and guarantees the operation reliability of aviation key systems.

This utility model provides an automatic dust removal device for a pulse dust collector, belonging to the technical field of automatic dust removal devices. The automatic dust removal device includes: a dust collector cylinder, a filter bag assembly, a pulse jet pipe, a compressed air tank, a mechanical triggering mechanism, and a dust discharge mechanism. The dust collector cylinder has a cylindrical structure, with an air inlet at the top and a dust outlet at the bottom. The filter bag assembly is located inside the dust collector cylinder, comprising a filter bag support frame and a filter bag body, with the filter bag body fitted over the filter bag support frame. The pulse jet pipe is located at the top of the dust collector cylinder, with its nozzle aligned with the upper opening of the filter bag assembly. The compressed air tank is connected to the pulse jet pipe via a high-pressure air pipe. The mechanical triggering mechanism includes a trigger rod and a differential pressure diaphragm. The dust discharge mechanism is located at the bottom of the dust collector cylinder, solving the technical problem in the prior art where inaccurate control of the dust removal timing leads to unsatisfactory dust removal results.

The invention discloses a humanoid robot real-time limb trajectory optimization method and device based on centroid dynamics and a robot, and belongs to the field of robot motion control. The method comprises the following steps: acquiring a robot take-off state and a next grounding target; based on the conservation of angular momentum in the flying stage, constructing an optimization problem which takes a joint trajectory polynomial coefficient as an optimization variable and takes the minimization of the body direction deviation during grounding as a target and comprises kinematics position and speed constraint; the core of the method is that the key property that a translation coupling term in a centroid angular momentum matrix is zero is utilized and proved, so that body rotation dynamics and centroid translation are completely decoupled, and a complex whole-body trajectory is optimized and simplified into an efficient problem which can be solved in real time at a millisecond level; according to the method, a coordinated limb swinging track can be automatically generated, the body posture is accurately controlled in the running and jumping flying stage, and manual intervention is not needed.

The invention relates to the technical field of drug synthesis equipment, in particular to an olmesartan medoxomil phosgene substitution type acylation reaction system, which comprises a reaction container, a reaction kettle, a reaction kettle and a control system, the triphosgene adding device is connected with the reaction container and is used for quantitatively adding triphosgene into the reaction container; the solvent conveying unit is connected with the reaction container and is used for pumping a solvent into the reaction container; the mixed solution feeding unit is connected with the reaction container and is used for slowly adding a mixed solution of 3-hydroxybutanone and a solvent into the reaction container; the temperature control module is connected with the reaction container and is used for accurately controlling the reaction temperature in the reaction container; and the pH adjusting and quenching unit is connected with the reaction container. According to the invention, the triphosgene adding device and the closed system are adopted to completely replace highly toxic gas phosgene, so that major potential safety hazards in the production, storage and transportation processes are fundamentally solved.

This utility model discloses a cosmetic lifting-type ingredient container, including a support frame and an ingredient container body. A support plate is fixedly connected to the side of the support frame, and a temperature regulating mechanism is provided on the support plate. The temperature regulating mechanism is connected to a temperature-regulating container body, which is embedded in the support plate. The ingredient container body is fixedly installed inside the temperature-regulating container body, and a discharge pipe is connected to the bottom of the ingredient container body. A lifting mechanism is provided at the top of the support frame, and a top block is connected to the lifting mechanism. A stirring motor housing is connected to the side of the top block, and a stirring mechanism is connected to the stirring motor housing. A top cover is connected to the stirring mechanism, and the top cover can be lifted and closed to the top of the temperature-regulating container body. This utility model belongs to the technical field of cosmetic ingredient containers, specifically referring to a cosmetic lifting-type ingredient container.

The invention relates to the technical field of hard alloy column tooth passivation, and particularly discloses a hard alloy column tooth passivation machine tool which comprises a frame body, an inner cylinder is rotationally arranged at the upper end of the frame body, a cylinder cover is hinged to the upper end of the inner cylinder, a clamping assembly is arranged on the bottom wall of the inner cylinder, a liquid storage tank is arranged on one side of the frame body, and a water pump is arranged on one side of the liquid storage tank. The water inlet end of the water pump communicates with the liquid storage tank, the water outlet end of the water pump communicates with the middle of the bottom wall of the inner cylinder, and an electrolytic passivation mechanism is arranged on the inner bottom wall of the inner cylinder; the cylindrical teeth are placed in the inner cylinder, the clamping assembly can stably clamp the cylindrical teeth, then the cylinder cover is closed, the water pump is started, the water pump on one side of the frame body pumps electrolyte in the liquid storage box into the middle of the bottom wall of the inner cylinder, and at the moment, the electrolytic passivation mechanism can make the polished ends of the cylindrical teeth generate uniform passivation films; and the scraping effect and scraping efficiency of the passivation film are improved, so that the passivation effect of the column teeth is improved, the corrosion resistance of the column teeth is improved, and the service life of the column teeth is prolonged.

The invention discloses an automatic batching method based on multi-bin solid waste materials and related equipment, and relates to the field of iron and steel industry. The method comprises the following steps: firstly, setting a target range of one or more key material components, and obtaining the component content and the initial mass feeding rate of the current associated solid waste material of each bin; then, for each material component with the set target range, according to the initial set amount corresponding to each solid waste bin and the component content of the material component in each solid waste bin, calculating a weighted average value corresponding to the material component; and if any weighted average deviates from the corresponding target range, automatically triggering the ratio optimization model to solve, and dynamically adjusting the feeding rate of each bin. According to the method, a traditional extensive mode depending on artificial experience or fixed proportioning is abandoned, and the proportioning precision and the component stability are remarkably improved.

The application discloses a reaction kettle temperature control method, device, equipment and medium, and relates to the technical field of temperature control, and comprises the following steps: acquiring target temperature data collected by a preset temperature collection sensor by using wireless communication technology; acquiring preset temperature thresholds corresponding to different production stages from a target data source, comparing each target temperature data corresponding to each reaction kettle with the corresponding preset temperature threshold, and generating a target temperature adjustment instruction according to the comparison result; and sending the target temperature adjustment instruction to a temperature adjustment equipment, so that the preset temperature adjustment equipment adjusts the temperature of the reaction kettle according to the target temperature adjustment instruction. The temperature data is acquired by using the wireless communication technology, the centralized monitoring and flexible expansion of multiple kettles are realized, and the problems of complex wiring and high maintenance cost are avoided.