47results about How to "Effective regulation" patented technology

This application relates to a lightweight AI glasses using a Micro LED optical engine module, belonging to the field of AI glasses technology. The lightweight AI glasses using a Micro LED optical engine module include a frame and temples. One end of the temples is rotatably connected to the frame. A limiting portion is also provided at the end of the frame. A first adjustment mechanism is also provided on the frame. The first adjustment mechanism includes an abutment frame and a fixing component. The abutment frame is located at one end of the temple near the frame, and one end is rotatably connected to the temple. The limiting portion is located on the displacement path of the other end of the abutment frame when it rotates with the temple. The fixing component is used to fix the abutment frame after rotation. This application improves the comfort of the user when wearing the lightweight AI glasses.

This utility model relates to the field of bending and forming devices, and more particularly to a bending and forming device for a tricycle front fender. The utility model provides a bending and forming device for a tricycle front fender, including a bending machine body, a worktable, a sliding frame, auxiliary wheels, a two-way cylinder, support plates, and an electric slide. A worktable is located on the front side of the bending machine body. An electric slide is longitudinally mounted on the top of the worktable. A two-way cylinder is mounted on the top of the electric slide via an electric slider. Sliding frames are located at both output ends of the two-way cylinder, and auxiliary wheels are rotatably mounted on each sliding frame. Support plates are symmetrically arranged at the front and rear of the top of the worktable. By activating the two-way cylinder, the sliding frame can be pushed to adjust the spacing of the auxiliary wheels, adapting to front fenders of different widths. Compared to manual adjustment, this method is simple and efficient, allowing for rapid switching of parts production, reducing mechanical and manual intervention, significantly improving production efficiency, and meeting the needs of large-scale, high-efficiency production.

This invention relates to the field of Internet of Things (IoT) technology, providing a large-scale IoT system, method, and medium for remote firmware updates of sensors. The system includes a sensor management platform configured to: determine multiple sensor update groups based on data characteristics of multiple sensors and their geographical locations within an industrial grid area; determine the update priority of each sensor update group based on its task and transmission characteristics; determine update parameters for the multiple sensor update groups based on update priority, firmware characteristics, and channel state distribution; and generate update instructions and firmware update packages based on the update parameters, and control multiple sensors in the multiple sensor update groups to perform firmware updates. The method can be executed after being read from computer instructions stored on a computer-readable storage medium. This invention enables secure, reliable, and continuous large-scale sensor firmware upgrades under complex industrial network conditions.

This invention relates to a top thread control device and sewing control method for optimizing corner sewing on a double-needle sewing machine. It includes a center thread hook, a take-up lever, two top thread clamps, and a take-up spring mechanism. The center thread hook has two center holes, and the take-up lever has two take-up holes. The take-up spring mechanism includes two guide components and two take-up springs. The guide components include guide grooves and guide hooks, and the take-up springs include hook rods that can rotate up and down around a rotation axis. One guide component, take-up spring, top thread clamp, center hole of the thread hook, and take-up hole constitute one top thread control unit, while the other constitutes another top thread control unit. Each top thread control unit controls the top thread of one needle. The top thread passes sequentially through the top thread clamp, guide groove, guide hook, bottom side of the hook rod, take-up hole, and center hole of the thread clamp before passing through the needle. When the take-up lever moves upward, the top thread causes the hook rod to rotate upward.

This invention discloses a medicine bottle printing and traying device, comprising a transmission mechanism, a printing mechanism, and a defect detection and rejection mechanism mounted on a frame. The transmission mechanism includes a first conveyor and a second conveyor arranged horizontally, with the printing mechanism positioned above the first conveyor. The inlet end of the first conveyor is connected to a feeding mechanism, and the outlet end of the first conveyor is connected to the inlet end of the second conveyor via a first conveying and transfer mechanism. The defect detection and rejection mechanism includes a medicine bottle defect detection and rejection mechanism and a tray defect detection and rejection mechanism. A tray insertion mechanism is located below the outlet end of the second conveyor, and the outlet end of the tray insertion mechanism is connected to a third conveyor. This device not only enables efficient printing and traying of medicine bottles but also effectively screens medicine bottles with substandard printing and trays with substandard trays, thereby significantly improving the quality of medicine bottle printing and traying.

The application discloses a method for treating hydrogen sulfide in oil wells, which comprises the following steps: (1) screening of test oil reservoir; (2) preparation of specific virulent SRB phage stock solution; (3) enrichment of specific virulent SRB phage; (4) determination of optimal titer of specific virulent SRB phage solution; (5) selection of phage fusion bactericide; (6) determination of optimal intervention point of bactericide; (7) field test and effect evaluation. The application has the following advantages: (1) wide adaptability, simple method and good operability; (2) strong pertinence; (3) phage bactericidal action can prevent the generation of bacterial drug resistance and can prolong the use time of bactericide; (4) the cost is reduced by more than 50% compared with the prior art; meanwhile, the damage of bactericide toxicity to the formation is reduced, and the method is economic and environment-friendly.

This utility model relates to the field of yarn tube paper production technology, and more particularly to a calendering device for yarn tube paper production. The technical solution includes a base plate, with a fixed frame fixedly connected between the top edges of the base plate and the two sides. A guide roller is rotatably connected between the inner walls of the two sides of the fixed frame near the top edge. Connecting plates are slidably fitted onto the outer surfaces of the guide rollers near both ends. This utility model uses a first rotating gear to drive a bidirectional threaded rod to rotate, causing the connecting plates to move relative to each other under the action of the bidirectional threaded rod. The connecting plates drive limiting blocks to slide on the guide rollers, thereby effectively controlling the gap between the limiting blocks, facilitating the guidance of the yarn tube paper on the guide rollers, effectively reducing uneven guidance of the yarn tube paper, making the yarn tube paper more compact during calendering, and thus improving the calendering effect of the device.

This invention discloses an electronic expansion valve control method, device, and air conditioning system. The method includes: detecting a change in the on / off state of an indoor unit; for each on-duty indoor unit, determining the degree of lag in indoor unit control based on changes in system operating load and changes in specified parameters when the system load changes; adjusting the control cycle of the indoor electronic expansion valve of that indoor unit according to the lag degree; and controlling the indoor electronic expansion valve of that indoor unit according to the adjusted control cycle. This invention improves the response speed of the indoor electronic expansion valve under system fluctuations, increases the response rate of the indoor unit, avoids the situation where slow adjustment according to the conventional control cycle leads to large indoor temperature fluctuations and reduced indoor comfort, achieves effective regulation of the indoor electronic expansion valve, and solves the problem of slow response of the indoor electronic expansion valve under system fluctuations.

The present application belongs to the technical field of ship vibration control structure or method, and particularly relates to a cantilever beam type phononic crystal for vibration isolation and a parameter optimization method. The phononic crystal comprises a power-law prism base, a cross-shaped cantilever beam and a mass block. The power-law prism base comprises a power-law prism part and a base part. The cross-shaped cantilever beam is a cross-shaped flat plate structure, and the mass block is located at the end of the cross-shaped cantilever beam. The cantilever beam type phononic crystal based on the present application can be used for vibration control of different materials and different thicknesses. In actual application, only the material parameters and thickness of the flat plate need to be substituted, and the other part sizes and materials of the cantilever beam type phononic crystal are designed according to the flat plate size and vibration source frequency, so that the band gap frequency range covers the load frequency, and the vibration of the target frequency can be blocked. The structure of the cantilever beam type phononic crystal based on the present application can use materials with different elastic moduli to prepare the cross-shaped cantilever beam and materials with different densities to prepare the mass block, so that the band gap frequency range can be adjusted conveniently and quickly.

The application discloses a metal component welding stress dynamic regulation method and system based on digital twinning, relates to the intelligent control technical field of a welding process, and comprises the following steps: collecting original welding signals in a welding process in real time, and synchronously constructing a welding process digital twinning body interacting with the original welding signals; simulating and calculating the prototype stress field distribution of a metal component inside a current welding stage in the twinning body; generating welding energy dynamic regulation instructions according to the comparison between the distribution and a preset stress threshold interval, and calculating instant welding energy correction parameters to be fed to a welding execution mechanism to adjust energy input; after adjustment, collecting updated signals again to drive the twinning body to perform simulation verification, obtaining a verified stress field distribution, and performing closed-loop calibration on the aforementioned correction parameters based on the verified stress field distribution, so that the calibrated parameters are used for dynamic regulation in subsequent stages. The application realizes real-time perception, prediction and active accurate control of welding internal stress.

The application provides a plunger type hydraulic pump and a hydraulic system, and relates to the field of hydraulic transmission. The plunger type hydraulic pump comprises a swash plate assembly, a driving shaft, a shell and an adjusting assembly; the swash plate assembly comprises a swash plate body and a support, and the swash plate body is rotationally arranged on the support; the driving shaft is provided with a first transmission part, the swash plate body is provided with a first clamping groove, and the first transmission part is in abutment with the inner wall of the first clamping groove along the circumference direction of the driving shaft; the shell is rotationally provided with a rotating support, the rotating support is arranged in the shell along the radial direction of the driving shaft, the rotating support is connected with the support, and the adjusting end of the adjusting assembly is connected with the rotating support. When the inclination angle of the swash plate body needs to be changed, the adjusting end of the adjusting assembly drives the rotating support to rotate, and then drives the support to rotate, so that the inclination angle of the support is adjusted. At this time, the inclination angle of the swash plate body changes synchronously with the inclination angle of the support. The adjusting process is efficient and stable, and is beneficial to the flexible adjustment of the displacement of the plunger type hydraulic pump.

This utility model relates to the field of bearing processing technology and discloses a bearing processing positioning device, including a base. The top surface of the base is provided with a positioning mechanism and a clamping mechanism. The positioning mechanism includes a support component and a positioning component, with the support component located on the side of the positioning component. By providing a positioning mechanism, the clamping devices on both sides can be adjusted according to the different heights and diameters of the bearing. A first motor drives a double-ended threaded rod to rotate, thereby moving the first sliders and first clamping plates on both sides, thus quickly clamping the bearing and effectively improving the bearing processing efficiency. By providing a clamping mechanism, a first damper and a second clamping plate are provided to effectively clamp and fix the bearing on both sides. At the same time, a second hydraulic rod is provided to reciprocate and move the rubber ring, which can be effectively adjusted according to the actual height of the bearing, thus facilitating the processing of the bearing.

This invention discloses an adaptive spatial filtering method to reduce the false alarm rate in laser ranging. An adaptive spatial filtering module is introduced into the laser ranging system. A real-time sky background noise acquisition module detects changes in sky background light intensity and feeds this information back to the control system for immediate response. Based on the acquired control signals, a receiving field-of-view control module enables automatic control of a series of mechanisms and circuits. A variable aperture with adjustment function limits the background noise entering the laser ranging system; when the background light radiation intensity is high, the aperture diameter decreases, and vice versa. This design is simple in structure, easy to operate, stable, and highly automated. It not only balances the system's target acquisition capability and noise suppression capability but also has good adaptability, allowing for real-time, intelligent, and efficient adjustment of system structural parameters according to observation conditions, thereby improving system stability and automation.

The utility model relates to spring processing and grinding technical field, concretely is a kind of anti-shaking spring processing vibration grinding device, including mounting seat, base, material hopper, vibrator, feed end and buffer device, the base fixedly connected in the upper surface of mounting seat, the material hopper is installed in the upper end of base, the vibrator is fixedly connected in the inside of material hopper, the feed end is fixedly connected in the outer surface of material hopper;The buffer device is installed in the outer surface of material hopper, the buffer device includes connecting frame and connecting ring, the connecting ring is fixedly connected in the outer surface of material hopper, the connecting frame is fixedly connected in the upper surface of mounting seat, the connecting ring is fixedly connected with slide rod at the end away from material hopper, the surface of slide rod is slidably connected with limit stop plate.The utility model buffer device, through the cooperation between limit stop plate, slide rod, connecting ring and first spring etc. component, realizes the buffering to material hopper, improves the service life of equipment.

This utility model discloses an adjustable-height soft bed, including a bed frame, a headboard, and support legs. The bed frame is fixedly equipped with hooks, and the headboard is fixedly equipped with hanging plates. The hooks can engage with the hanging plates, forming multiple engagement positions. The support legs include an upper support tube and a lower support tube. The upper end of the upper support tube is fixedly connected to the bed frame, and the lower support tube is fitted inside the upper support tube, allowing for vertical adjustment and multiple adjustment positions. This utility model solves the problem of inconvenient assembly and adjustment of soft beds, saving time and effort, improving the overall adaptability of the soft bed, reducing production costs, and conserving resources.

The application discloses a limb supporting device for orthopedic operating room nursing and a use method thereof, and relates to the field of orthopedic nursing.The limb supporting device comprises two supporting vertical plates, a supporting bottom plate arranged at the bottom of the supporting vertical plates, and a leg supporting mechanism arranged on the supporting bottom plate and used for supporting and nursing the legs of a patient.The distance between the two leg supporting mechanisms can be adjusted by the adjusting mechanism to adapt to the distance between the two legs of the patient.The structure can not only adjust the inclination angle between the thighs and the calves of the patient, but also conveniently adjust the distance between the two legs of the patient.Meanwhile, the flexible switching design of the moving wheels greatly improves the convenience and safety of the device, and the distance between the devices does not need to be manually adjusted by the staff, so that the distance can be timely and effectively adjusted to a proper distance in actual use, and the operation effect and the comfort of the patient are improved.

This application relates to the field of cleaning roller lint removal equipment, and more particularly to a cleaning roller lint removal equipment, comprising a machine base, a first fixed rotating component, a spacing adjustment component, a second fixed rotating component, a position adjustment component, and a dust collection component. Through the coordinated operation of these components, the cleaning roller is stably installed and rotated at both ends. Simultaneously, the cleaning brush on the position adjustment component effectively removes lint from the surface of the cleaning roller, and the dust collection component collects the lint during the cleaning process. This application achieves the technical effect of improving the efficiency and cleanliness of cleaning roller lint removal. Furthermore, the equipment has a reasonable structural design, is easy to operate, and adapts to the needs of cleaning rollers of different sizes.

The utility model discloses a kind of cellulose acetate filter tips, it includes main body, the hard tube is sleeved in the main body, the middle filter core is sleeved in the hard tube, the bottom of the middle filter core is connected with funnel pipe by bolt, the lower filter core is sleeved in the funnel pipe, and the top of the lower filter core is connected with the bottom of the middle filter core, the main body is connected with contact pipe in the top part, the upper filter core is sleeved in the contact pipe, the top of the main body is connected with oil absorption paper, and the oil absorption paper is sleeved in the contact pipe. The technical scheme is cooperated by upper filter core, oil absorption paper, middle filter core, lower filter core and swing plate etc. parts, so that it can effectively carry out multiple filtering, so that it can effectively adsorb tobacco tar, improve its filtering and adsorption efficiency, and can effectively adjust the amount of incoming smoke, so that it can adjust the amount of inhalation according to the needs of different groups of people, improve its use efficiency and application range.

The utility model relates to the field of spotlight, specifically disclose LED small spotlight with folding support, including base, the outer surface of base is opened with storage groove, the inside installation of storage groove has rotary component, the outer surface fixed connection of rotary component has support frame, the outer surface fixed connection of support frame has stress column, the outer surface mounting of stress column has first damping bearing, the outer surface fixed connection of first damping bearing has universal head. The equipment is through the first damping bearing effort, cooperation stress column, will drive universal head, adapter block and lamp holder 360 degrees rotation, can effectively adjust the direction of the light of the lamp holder, at the same time use adapter block, cooperation its swing joint universal head, will conveniently adjust the angle of the light of the lamp holder, can effectively solve only through the adjustment LED small spotlight whole position, change the angle of the light of LED small spotlight, will seriously influence people use experience problem.

The utility model discloses a kind of shed car end wall repairing devices, it includes equipment pedestal and the car body fixing device and transverse moving mechanism being set to the both ends of equipment pedestal;The transverse moving mechanism on both ends is all provided with rack table, and each rack table is provided with clamping mechanism by clamping and adjusting position platform;The car body fixing device is used to fix shed car, the transverse moving mechanism can be transversely moved control clamping mechanism close and away from shed car end wall, the clamping and adjusting position platform can drive clamping mechanism to move up and down and front and back.The utility model can be repaired to shed car end wall by moving platform and machine, accurately repair the concave-convex surface of end wall, improve efficiency, save time.

The utility model discloses a stainless steel lining paper fixing device convenient to quick positioning, including base, the upper surface of base is in -built and is set up with the positioning slot, the surface on the positioning slot is etched with coordinate grid, and the both ends of base all are seted up with two sets of guide slot, and two sets of guide slot all are slidably installed with the pressure solid establishment in the inside. The utility model discloses through the pressure solid establishment, makes it through the extension of extension board can according to the quick adjustment pressure solid rod position of lining paper size, greatly promotes the adaptability to different size lining paper, need not to replace special fixed component, has reduced equipment use cost and operation complexity.

This invention belongs to the field of materials heat treatment technology, specifically relating to a heat treatment method, microstructure, and microstructure control method for α-solidified TiAl alloy castings. This method targets α-solidified TiAl alloy castings with unstable lamellar microstructure obtained from metal mold casting. It involves hot isostatic pressing under high temperature and high pressure conditions, utilizing the high-pressure environment to promote atomic diffusion and eliminate casting defects, completely transforming the unstable lamellar microstructure into a stable near-γ microstructure dominated by blocky γ phase. This step replaces the traditional process of water quenching and oil quenching, which are highly prone to cracking and are necessary to destroy the stable lamellar structure. Subsequently, seven cycles of "heating-short-time holding-air cooling" are performed in the upper part of the α+γ two-phase region below the α phase transformation point of the alloy, utilizing the cyclic phase transformation from γ to α to (α+γ) to achieve successive grain splitting and refinement. This invention eliminates the risk of stress cracking during heat treatment at its source, is suitable for complex thin-walled castings, and can obtain a fine-grained near-lamellar microstructure.

This invention provides a photovoltaic (PV) operation status management and control method and system, comprising: constructing and training a PV ecological monitoring model including a physical coupling field submodule and a PV ecological agent submodule; performing risk assessment on a real-time PV operation dataset based on the PV ecological monitoring model to generate risk assessment results; performing strategy exploration and counterfactual reasoning based on the risk assessment results to generate corresponding optimal control strategies; executing the optimal control strategies; and performing feedback optimization based on the feedback data corresponding to the optimal control strategies, thereby achieving efficient and accurate management and control of PV operation status.

The application discloses a layered sand prevention and polymer injection integrated pipe column and a construction method, relates to the technical field of oil exploitation, and the pipe column comprises a downhole pipe column and a control pipe column. The downhole pipe column comprises a layered sand prevention and polymer injection unit. The layered sand prevention and polymer injection unit comprises a positioning cylinder, an adjustable sand prevention and injection device, a blockage removal injection device and layered packers. The control pipe column comprises a positioning tool and a repeatedly switchable tool. The positioning tool can be positioned with the positioning cylinder, and the repeatedly switchable tool can control and regulate the adjustable sand prevention and injection device and the blockage removal injection device. The application realizes sand prevention and polymer injection integration through the adjustable sand prevention and injection device. The application realizes downhole efficient regulation through the positioning tool and the repeatedly switchable tool.

The utility model discloses a numerical control lathe main shaft bearing pre -tightening force adjusting mechanism, including bearing seat and pre -tightening disc. The utility model discloses through adopting fixed electromagnet, moving electromagnet, pressure sensor, through the current intensity and the current direction that the fixed electromagnet and moving electromagnet in the fixed disc inside of different positions exert to control, the suction force and repulsion that two groups of electromagnets produce will happen corresponding change, thereby make the interval between two groups of pre -tightening disc change, make the pre -tightening force that bearing exerts change, simultaneously when moving electromagnet moves up and down, the pressure that the pressure sensor is transferred to with the pressure column of bottom also will happen corresponding change, the pressure change that pressure sensor detects subsequently can judge the pre -tightening force change that adds to the bearing at main shaft, and then timely to the pre -tightening force is adjusted, has the advantage that regulation and control timely, the regulating accuracy is high, the operation is laborsaving.

This utility model relates to the field of low-carbon silicon-manganese alloy casting technology, and provides a low-carbon silicon-manganese alloy casting device, including a base; a support frame installed on the top of the base; a heating cylinder mounted on the support frame via a chain for heating and melting the low-carbon silicon-manganese alloy, the heating cylinder being provided with a drain pipe for assisting in material discharge; a casting mold fixed on the top of the base for assisting in the formation of the low-carbon silicon-manganese alloy liquid, the casting mold being located at the bottom of the heating cylinder; and a fixing plate installed on the top of the base. The low-carbon silicon-manganese alloy casting device provided by this solution, through the setting of a protective plate and related adjustment structures, effectively isolates splashing low-carbon silicon-manganese alloy droplets, avoids injury to operators from high-temperature molten metal, improves operational safety, and reduces pollution of the processing environment by the molten metal.

The utility model relates to vehicle engineering technical field, concretely relates to a kind of gear shifting control device for 428 gearbox.The gear shifting control device in the application is mainly composed of four independent components of soft shaft, rotating shaft, speed change control support and soft shaft support, and the assembly connection relationship of four independent components is relatively simple, so as to improve the assembly efficiency;When any of the four independent components needs to be repaired and replaced, other components are not involved, and it can be directly replaced, so that the repair and replacement cost is reduced, and the repair and replacement efficiency is also ensured;One end of the soft shaft is connected to the speed change control support based on the rotating shaft, and the other end is limited in the clamping groove of the soft shaft support;Based on this structure, by controlling the extension / retraction of the soft shaft itself shaft, the deflection of the speed change control support can be accurately controlled, so that the speed change valve can be efficiently adjusted to ensure quick and accurate gear shifting operation.

The utility model provides a kind of suitable for big quality metal base element's stacking transfer device, including bearing platform and running mechanism, running mechanism can drive bearing platform to run, the bearing surface of bearing platform is equipped with first chute and second chute, the length extension direction of first chute and second chute forms cross, first chute is equipped with two first positioning sliding block that can be driven close or far, second chute is equipped with two second positioning sliding block that can be driven close or far, two first positioning sliding block and second positioning sliding block can form position adjustment and positioning to the metal base element placed on bearing surface.The utility model improves the position accuracy after metal base element up and down stacking, can prevent the position deviation caused by the placement impact of metal base element when stacking.