24results about How to "Exchange evenly" patented technology

The invention discloses a dual-mode barrier gate control system and method based on LoRa and Wi-Fi. The method comprises the following steps: S1, system initialization; s2, dynamically selecting a communication mode by adopting a Markov decision process algorithm; s3, analyzing the historical behavior data of the visitor by combining a hypergeometric learning algorithm and a manifold learning algorithm, and generating a dynamic two-dimensional code; s4, encrypting the dynamic two-dimensional code, and transmitting the dynamic two-dimensional code to the visitor terminal through LoRa or Wi-Fi; s5, the visitor scans the two-dimensional code to request for passing, and the edge computing device locally verifies the validity of the two-dimensional code and device binding information; s6, when an abnormal behavior is detected, the system triggers a multi-factor authentication mechanism; s7, after the authentication is passed, the system controls a barrier gate execution mechanism to open a gate, and traffic information is recorded and uploaded to the cloud; and S8, the system collects visitor data for a long time, generates a behavior model by using big data, and optimizes an approval process and two-dimensional code management. According to the invention, the dynamic two-dimensional code is generated by combining LoRa and Wi-Fi dual-mode communication and an intelligent algorithm, so that the dynamic management of visitors is realized.

The hatching tray comprises a base body frame, a plurality of transverse connecting frames and longitudinal connecting frames which are connected in a crossed mode are arranged in the base body frame, a plurality of sawteeth are arranged on the bottom edges of the transverse connecting frames and the longitudinal connecting frames at intervals, the transverse connecting frames and the longitudinal connecting frames form a plurality of egg support spaces, and egg support units are arranged in the egg support spaces. Each egg support unit comprises two arc-shaped bodies which are oppositely arranged, the tops of the arc-shaped bodies are provided with a plurality of protrusions with the inner side faces inclining outwards so as to support hatching eggs, the ends of the arc-shaped bodies are connected to the sawtooth bottom ends of the transverse connecting frames, and the outer arc faces of the arc-shaped bodies are fixed to the sawtooth bottom ends of the longitudinal connecting frames. A plurality of ventilation grooves are formed in the side face, parallel to the longitudinal connecting frame, of the base body frame, the hatching tray is good in permeability in the horizontal direction, and the hatching effect is guaranteed.

The invention provides an NC30Fe high-chromium nickel-based alloy pierced billet as well as a preparation method and application of the NC30Fe high-chromium nickel-based alloy pierced billet. The preparation method comprises the following steps: firstly, heating an NC30Fe high-chromium nickel-based alloy tube blank to a specific charging temperature, and perforating by utilizing a hot cross rolling perforation process; in the punching process, it is ensured that the dimensional tolerance and eccentricity of a pierced billet meet the requirements by strictly controlling the roller distance, the top temperature and the extension coefficient; and then, quenching treatment is carried out on the pierced billet subjected to perforation, so that the grain size is controlled to be within the range of grade 3 to grade 7, and the high-temperature strength and creep resistance of the material are improved. According to the preparation method disclosed by the invention, through introduction of a hot cross piercing process, the problems of more surface defects, large eccentricity and difficulty in grain control caused by a traditional hot extrusion process are solved, the yield is increased to 93% or above, and the surface smoothness and the dimensional precision are remarkably improved. The pierced billet is suitable for preparation of high-temperature corrosion-resistant and high-precision nickel-based alloy pipes in the fields of petroleum, chemical engineering, aerospace and the like, and has high application value.

The application relates to the technical field of ion exchange equipment and specifically discloses a device and method for removing air bubbles in an ion exchange column, which comprises a shell, multiple groups of ion exchange components and multiple gas-liquid separation pieces, the multiple groups of ion exchange components are arranged in the shell and are spaced apart along the axial direction of the shell, the gas-liquid separation pieces correspond to the ion exchange components one by one, each gas-liquid separation piece is arranged on the side of the ion exchange component close to a discharge port, the gas-liquid separation piece is umbrella-shaped, a separation cavity is formed between the gas-liquid separation piece and the ion exchange component, the top of the gas-liquid separation piece is connected with an exhaust pipe, the exhaust pipe extends to the outside of the shell, the gas-liquid separation piece comprises a body and a flow blocking part, the body is connected with the flow blocking part, a flow hole is formed in the body and is used for passing fluid, the normal projection of the flow blocking part on the body covers the flow hole, so that the gas phase can rise along the flow blocking part to the exhaust pipe and be discharged. The application can efficiently remove the air bubbles generated in the ion exchange process.

The utility model provides a kind of homogenization cooling device for chelate fertilizer production, it is related to chelate fertilizer production device technical field, it includes fixedly arranged shell, shell top and bottom are separately provided with feed inlet and discharge outlet, discharge outlet is provided with bottom cover, still include a pair of crushed material roller rotationally arranged in shell, shell outer wall is fixedly provided with the drive source that can drive two crushed material rollers rotation, still include cooling channel fixedly arranged below crushed material roller, the opposite sides of cooling channel side wall are provided with several air injection holes, air injection hole is communicated with fan fixedly arranged in shell outer wall, cooling channel top side is fixedly provided with air outlet;It is preliminarily mechanically broken to material by crushed material roller, and lump that possibly forms is scattered;Cooling airflow is injected by the air injection hole of cooling channel two sides, realizes the rapid and uniform heat exchange;Material is blown apart by airflow and gravity beating action, so that material is efficiently homogenized, and finished fertilizer chelate quality is significantly improved.

This utility model discloses a furnace tube support structure for an organic heat carrier heater, including a furnace body; a combustion chamber is provided at the bottom of the furnace body, and an igniter is provided in the combustion chamber; a water inlet pipe is fixed at the water inlet on the upper side of the furnace body, and a drain pipe is fixed at the drain outlet on the lower left side of the furnace body; several return smoke pipes are fixed inside the furnace body, and the return smoke pipes are connected to the inner cavity of the combustion chamber through a smoke supply pipe; an exhaust pipe is fixed at the exhaust outlet of the return smoke pipes; and a support plate is fixed on the inner wall of the furnace body at the same level as the return smoke pipes, with through holes opened on each support plate. This furnace tube support structure for an organic heat carrier heater, by fixing support plates at the same level as the return smoke pipes inside the furnace body and opening through holes on the support plates for the return smoke pipes to pass through, ensures normal flow of water in the furnace body when boiling, and improves the uniformity of heating, due to the small space occupied by the support plates and the gaps between the support plates.

The utility model provides a kind of wafer temperature uniform control and automatic transfer integrated device in hot plate air extraction process, including disc-shaped cavity main body and automatic wafer transfer assembly, cavity main body top is plane structure, hot plate upper surface is perpendicular to the central axis of cavity main body, the sealing disc is coaxially arranged with cavity main body;It further includes air inlet and air outlet, air inlet is circularly opened in the sidewall top of the cavity main body;Air outlet is opened in the top surface center of the cavity main body.The utility model determines suitable cavity wall surface material by optimizing cavity structure, reasonably selecting air inlet and air outlet position, solves the problem of wafer temperature uneven in prior art, and realizes wafer automatic taking through intelligent automatic wafer transfer assembly structure under the form of not changing cavity structure, improves the quality and efficiency of semiconductor wafer manufacturing.

The invention discloses a three-dimensional radiator which enables heat transmission to be fast and adopts a structure of combining a heat pipe and a uniform temperature plate to enable heat dissipation and transmission to be fast. The heat exchanger comprises a plurality of L-shaped bent heat pipes, each L-shaped bent heat pipe comprises a vertical part, a bent section and a horizontal part, and a capillary layer is arranged on the inner wall of an inner cavity of each L-shaped bent pipe; an upper cover; the capillary structure comprises a bottom plate capillary structure and a plurality of upper convex bearing powder columns, and the bottom plate capillary structure is provided with the plurality of upper convex bearing powder columns; and a lower cover; the upper cover covers the upper backstop surface of the lower cover to form a heat dissipation cavity, working liquid is arranged in the heat dissipation cavity, the bottom of the vertical part of the L-shaped bent heat pipe is inserted into the corresponding heat pipe insertion hole of the upper cover, and the bottom of the vertical part is at least supported on the upper surfaces of the two upper convex supporting powder columns to form a capillary passage; and the horizontal parts of the L-shaped bent heat pipes are arranged towards the periphery of the surface area of the upper cover.

The invention relates to a flying capacitor control circuit, and the circuit comprises a basic circuit which comprises a first capacitor, a second capacitor, and a third capacitor, and the first capacitor and the second capacitor are connected in series; the control circuit comprises a first switch unit, a second switch unit, a third switch unit and a fourth switch unit; one end of the first switch unit is connected to the anode of the first capacitor, and the other end is connected to the anode of the third capacitor through the first resistor; one end of the second switch unit is connected between the first capacitor and the second capacitor, and the other end is connected to the anode of the third capacitor through the second resistor; one end of the third switch unit is connected between the first capacitor and the second capacitor, and the other end is connected to the cathode of the third capacitor through the third resistor; one end of the fourth switch unit is connected to the cathode of the second capacitor, and the other end is connected to the cathode of the third capacitor through the fourth resistor. By accurately controlling the capacitor voltage, the circuit stability is improved, the energy waste is reduced, and efficient voltage regulation is realized.

The invention provides a drying device and a drying system, and relates to the technical field of drying equipment.The drying device comprises a drying bin, a first air duct assembly, a feeding assembly, a material guiding part and a first draught fan assembly; the drying bin is provided with a ventilation hole, a feeding port and a discharging assembly, the discharging assembly is arranged at one end of the drying bin, the first air channel assembly communicates with the drying bin through the ventilation hole, one end of the feeding pipeline communicates with the feeding port of the drying bin, the end, away from the feeding port, of the feeding pipeline communicates with the second discharging port, and the material guiding part is arranged in the drying bin. The first fan assembly is arranged at the end, away from the feeding port, of the first air duct assembly. According to the drying device and the drying system, air flow in the first air duct assembly is accelerated, heat exchange in the drying bin is accelerated, it is guaranteed that the drying bin has enough drying temperature, the drying effect is improved, materials to be dried are circularly dried till the water content of the materials reaches the standard, and the drying efficiency is improved.

The utility model provides a portable temperature and humidity sensor checking auxiliary device, which comprises a support plate and a multi-cavity ventilation box, a positioning plate is fixedly arranged at the top of the ventilation box, a plurality of positioning holes for placing sensors and standard devices are arranged on the positioning plate, the support plate is connected with the ventilation box through a rope, and the support plate is connected with the ventilation box through a rope. The rope is provided with an adjusting part for adjusting the distance between the rope and the rope, so that the waiting time is shortened, the checking result is more accurate and reliable, the working efficiency is greatly improved, and the meteorological observation quality is guaranteed.

The present invention discloses a pile-based hollow breakwater with a variable air permeability, comprising: two rows of prefabricated pile foundations, a prefabricated panel fixedly arranged on the top of the prefabricated pile foundations, a wave-breaking wall and a breast wall arranged on the top of the prefabricated panel; the prefabricated pile foundations are integrally connected with a fixed wave-breaking board, and slide rails are correspondingly installed on the top and bottom between each two adjacent prefabricated pile foundations in the same row, and a movable wave-breaking board is slidably connected between each pair of slide rails; a control system for controlling the sliding of the movable wave-breaking board is installed on the prefabricated panel. The present invention also discloses a construction method of a pile-based hollow breakwater with a variable air permeability, and the control system can adjust the opening and closing degree of the movable wave-breaking board according to different wave conditions, so as to achieve an ideal wave-breaking effect; at the same time, the seawater on both sides of the pile-based hollow breakwater can be exchanged smoothly, thereby improving the water exchange capacity of the breakwater, minimally changing the hydrodynamic environment of the surrounding sea area, and maximizing the satisfaction of ecological and environmental protection requirements.

The present invention discloses an antibacterial mask capable of long-term continuous charge regeneration, comprising a mask body, ear straps, and a battery. The mask body adopts a multi-layer structure, which is sequentially a barrier layer, a sterilization layer, a filter layer, and a skin-friendly layer. The sterilization layer adopts a nano-silver layer to improve the antibacterial ability of the mask. The filter layer adopts a "semiconductor layer-insulating layer-semiconductor layer" structural design, and the two semiconductor layers are respectively connected to the positive and negative electrodes of an external battery. Static charge accumulates on the surface of the semiconductor layer to adsorb and filter out microorganisms and particles such as bacteria and viruses in the air; factors such as breath exhaled from the mouth when worn will cause static loss. The present invention uses a battery to continuously supplement the charge to maintain a stable ability to filter out pathogens. The antibacterial mask capable of charge regeneration of the present invention prevents dust particles, viruses, etc. from invading the human body through two methods: electrostatic capture and physical barrier, so that the mask maintains a high filtering capacity for a long time, saves a large amount of materials and resources, and has the characteristics of green environmental protection.

The present invention relates to the field of plant cultivation, and discloses a modular cross-liquid flow plant hydroponic unit, a hydroponic device and a hydroponic system. The modular cross-liquid flow plant hydroponic unit comprises a mounting frame, two planting plates and a plurality of guide plates. The two planting plates are fixed on opposite sides of the mounting frame. The mounting frame and the planting plates enclose a flow cavity. The planting plates are provided with planting holes arranged in an array. Planting cups are provided in the planting holes. The planting holes on the two planting plates are staggered. The guide plates are fixed on the inner side surfaces of the planting plates. Each row of planting holes on the planting plates corresponds to a guide plate. The guide plates are located below each row of planting holes. The guide plates on the two planting plates are staggered and cross-arranged. The present invention can ensure that the root system of the plant is fully and accurately irrigated, and ensure stable and uniform growth of the plant.

A positive electrode active material for an all-solid-state lithium-ion battery composed of particles containing crystals of a lithium metal composite oxide, wherein the lithium metal composite oxide has a layered structure and contains at least Li and a transition metal, and the positive electrode active material for an all-solid-state lithium-ion battery satisfies all Formulae (1) to (3).

The utility model discloses a cabinet with a heat exchange temperature control unit, which comprises a cabinet body assembly, the cabinet body assembly comprises a cabinet main body, a front door, an air disc, a spray head, a main motor, a fan, a partition plate, a through hole, a side pipe, an air hole and an equipment group, the front side wall of the cabinet main body is rotatably connected with the front door through a hinge, the rear side wall of the cabinet main body is fixedly connected with the air disc, and the spray head is fixedly connected with the air disc. And a spray head is fixedly connected to the front side wall of the air disc, a main motor is fixedly connected to the front side wall of the air disc, a fan is fixedly connected to the output end of the main motor, and a partition plate is fixedly connected to the interior of the cabinet body. Through the above structure, the air disc and the nozzle are arranged on the rear side wall of the cabinet main body, cold air can be input into the cabinet body, the side pipe and the air extractor are arranged in the front, the input cold air is extracted after passing through an equipment group, internal heat is rapidly taken away, the heat dissipation efficiency is improved, a plurality of cabinet machines can be taken into consideration at the same time, and the equipment cost is reduced.

The utility model relates to a high-sensitivity low-error tobacco seedling greenhouse temperature monitor, which comprises a hollow shell with two openings, a ventilation fan and a monitor body used for detecting air temperature are arranged in the shell, a probe of the monitor body is positioned in the shell, when the ventilation fan runs, the two openings of the shell are respectively an air inlet and an air outlet, and the air inlet is communicated with the air outlet. The air inlet of the shell is provided with a dustproof net and a spray head for spraying air to the dustproof net for dust removal, the spray head is arranged on one side, facing the inner cavity of the shell, of the dustproof net, the spray head is externally connected with an air source, the air source is communicated with the spray head through a connecting pipe, and the connecting pipe is provided with an electromagnetic valve controlled to be opened and closed. The shell and the dustproof net are used for protecting the probe of the temperature monitor, particulate matter on the dustproof net can be cleaned, the dustproof net is prevented from being blocked, air in a seedling raising shed and air in the shell of the monitor can be smoothly exchanged, and it is ensured that the probe of the temperature monitor can accurately monitor the temperature change condition in the seedling raising shed.

The invention provides a preparation method and application of an anterior cruciate ligament bridging material. The preparation method comprises the following steps: treating a bovine-derived collagen raw material, and carrying out pure water extraction treatment after flaking the bovine-derived collagen raw material; treating the thin sheet through an acid solution and an alkaline solution; then collagen fibers are dried and then added into an acid solution to be treated into collagen fiber slurry, then an alkaline solution is added to enable the collagen fibers to be separated out, and the separated-out collagen fibers have flowability and are convenient for further finishing; further finishing the collagenous fiber into a directional / non-directional shape, dehydrating and freeze-drying to obtain an uncrosslinked collagenous fiber scaffold; and finally carrying out high-temperature physical crosslinking. The bridging material is applied to an anterior cruciate ligament repair operation material. According to the method, a good ACL repairing effect can be achieved, and compared with a conventional repairing method, the postoperative exercise ability better than that of a conventional repairing method is achieved; and the material is selected from animal collagen substances, so that the material has relatively good biocompatibility, and tissue repair is promoted to a greater extent.

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 application discloses a washing and drying integrated machine, which comprises a box body, an outer cylinder, an inner cylinder, a condensing disc, a cooling device and a heating air duct. The condensing disc is provided with a heat superconducting channel, the heat superconducting channel has extremely high heat conductivity, can rapidly respond to heat change, can rapidly absorb heat in the wet and hot air entering the outer cylinder from the inner cylinder, so that the moisture in the wet and hot air is condensed into water, that is, the dehumidification efficiency of the product is improved, and the clothes can be rapidly dried; in addition, the channel wall of the heat superconducting channel is thin, on the one hand, the heat transfer time through the channel wall is shortened, the response speed of the heat superconducting channel to heat change is accelerated, and the heat conductivity of the heat superconducting channel is further improved, on the other hand, the thin channel wall can significantly reduce the thermal resistance in the heat transfer process, so that the heat exchange can be more smooth, and the heat conductivity of the heat superconducting channel is further improved.

The invention relates to the technical field of organic fertilizer preparation equipment, and discloses a bio-organic fertilizer stack automatic turning and throwing device which comprises a treatment box as a basic component of the whole device and used for assembling and bearing treatment mechanisms and subordinate structural members thereof; and the two opening doors are arranged in the middles of the front side and the rear side of the treatment box correspondingly and used for inputting or outputting the bio-organic fertilizer piles into the treatment box. By adding and arranging the driving leveling mechanism, before stockpiling fermentation, the input bio-organic fertilizer is treated by means of the driving leveling mechanism, and the surface of the organic fertilizer in the treatment box is efficiently leveled, so that on one hand, the leveled surface can ensure that the fermentation material is uniformly heated, local overheating or insufficient heat accumulation is avoided, microbial activities tend to be consistent, and the fermentation efficiency is improved; on the other hand, uniform diffusion and exchange of gas are facilitated by the neat stacking form, and oxygen fully permeates into each layer of materials, so that the aerobic fermentation process is enhanced.

The invention provides a data communication gateway machine for improving communication quality of a serial port and a network port, and the data communication gateway machine adopts an advanced signal processing algorithm and a high-performance hardware architecture in a software and hardware combination mode; specifically, a main control unit, a serial port interface module, a network port interface module and a power supply module are arranged for hardware, and a shielding layer and grounding are improved to increase the anti-interference capability of the hardware so as to reduce signal interference at a physical level; software sets data caching and optimization, a protocol management module and error detection and correction, a TCP congestion control algorithm is adopted to realize priority-based flow control, and the transmission rate is controlled mainly through four core stages of slow start, congestion avoidance, rapid retransmission and rapid recovery. And the functions of congestion signal sensing, SP strategy, long-term target, stability improvement, efficient communication and intelligence are set, the influence of high-frequency noise is reduced by using a moving average filtering algorithm, and the improvement of the communication quality of the serial port and the network port is effectively realized.

The utility model discloses stirring equipment for synthesizing and preparing a photoelectric material intermediate, which comprises a tank body, a stirring shaft and a driving mechanism, the tank body is provided with a heating mechanism, the stirring shaft is arranged in the tank body, the driving mechanism is arranged at the top of the tank body, and one end of the stirring shaft is detachably connected with the driving mechanism. The stirring shaft comprises a shaft body and a spiral blade, the edge part of the spiral blade is provided with a convex edge, and leakage holes are distributed in the spiral blade in an array manner. By using the device, the vertical mixing effect of materials can be improved, the vertical heat distribution is uniform, and the production efficiency can be improved.