41results about How to "Guaranteed time" patented technology

The invention relates to the technical field of extremely-low-temperature refrigeration equipment, and provides an annular heat exchange unit which comprises a flow channel box, and the two ends of the flow channel box are covered with an upper cover body and a lower cover body correspondingly; a cavity partition plate is arranged in the runner box to form an upper heat exchange cavity and a lower heat exchange cavity; two upper runners which are not communicated with each other are arranged in the upper heat exchange chamber; two lower runners which are not communicated with each other are arranged in the lower heat exchange chamber; the adjacent flow channel partition plates in the two cavities are arranged in a staggered mode to form a transition flow channel. The annular heat exchange unit further comprises two circulating pipe sets. Therefore, the two heat exchange channels which are not communicated with each other and are arranged up and down are formed in the runner box; media in the two heat exchange channels do not make contact with each other, and heat exchange is achieved through the flow channel partition plate in the flowing process. On the premise that the overall size of the runner box is not increased, two heat exchange channels which are arranged in an up-down staggered mode are formed in the runner box. The heat exchange efficiency is improved, and the space is saved. The invention provides a multi-stage heat exchanger and a dilution refrigerator.

The invention discloses a remote well gas field desulfurization device and method. The desulfurization device comprises a primary purification box, and a first purification assembly is arranged in the primary purification box; the first purification assembly comprises a conical filter element, a rotating disc is arranged below the conical filter element, a buffer disc is arranged in the center of the rotating disc, the lower end face of the buffer disc protrudes out of the lower end face of the rotating disc, and a plurality of air spraying pipes are arranged on the circumferential side wall of the buffer disc; a scraping unit is arranged above the filter element; the scraping unit comprises a fixed barrel, and a piston block and a reset spring located at the bottom of the piston block and the bottom of the fixed barrel are arranged in the fixed barrel; the upper end of the push rod is fixedly connected with the piston block, and the scraping strip is fixed at the bottom end of the push rod and is parallel to the inclined surface of the filter element. The conical filter element structure is used for scraping and cleaning deposited solid impurities, so that the long-term filtering effect of the filter element is ensured, and the running life of the desulfurization device is prolonged.

The invention discloses a mirror symmetry type digital radiographic inspection tool, which comprises a bottom plate placed on an objective table of digital radiographic inspection equipment; a bearing platform of a workpiece is made of a material with a low ray attenuation coefficient; the multiple workpieces are placed at the two ends of the bottom plate in a mirror symmetry mode; the multiple sets of limiting pieces are installed on the bottom plate, each limiting piece is divided into a left part and a right part, and the limiting pieces of the left part and the right part are distributed in a mirror symmetry mode; each workpiece is correspondingly installed in the corresponding limiting piece. Through the design of the invention, the dependence on the skill of a ray operator can be reduced, the time consumed for placing the workpiece is reduced, and the repeatability and consistency in the ray detection process are ensured. More importantly, by reducing the position change of a five-axis movement system formed by the ray machine, the objective table and the imaging plate in the multi-workpiece detection process, the time required for multi-workpiece ray transillumination is remarkably shortened, and the detection efficiency is improved.

Disclosed is a fully automatic glass substrate cutting device, comprising: a cutting platform, a lifting device, a cutting device and an adsorption and transfer device, wherein the cutting platform is used to carry a glass substrate to be cut; the lifting device is used to transport the glass substrate, which can dock with the cutting platform, thereby moving the glass substrate to fall onto the cutting platform and the cutting platform receives the glass; the cutting device is used to cut the glass substrate located on the cutting platform; the adsorption and transfer device is used to adsorb the cut glass substrate, and then move the cut glass substrate out of the cutting platform in a predetermined order. Also disclosed is a fully automatic glass substrate cutting method, comprising: placing the glass substrate to be cut on the cutting platform by using the lifting device, moving the cutting device along a cutting track to cut the glass substrate in accordance with the cutting track, adsorbing the cut glass substrate by the adsorption and transfer device, and then moving the cut glass substrate out of the cutting platform in a predetermined order.

The invention relates to the technical field of metallurgical engineering, and provides a metal smelting waste gas treatment device which is characterized in that a motor is arranged on the outer surface of a water tank, a treatment chamber with the bottom end extending into the water tank is fixed to the top of the water tank, and a third guide plate, two second guide plates and a first guide plate with the bottom being an arc are fixedly connected to the inner top of the treatment chamber; two guide plates are fixedly connected to the inner wall of the water tank, and two hollow rotating shafts concentric with circular arcs at the bottoms of the first guide plates penetrate through one side of the water tank, so that stable vortexes are formed, water spray and waste gas are effectively guided, the water spray and the waste gas are uniformly distributed, the contact area and the contact time of the water spray and the waste gas are ensured, and the waste gas purification efficiency is improved; and meanwhile, industrial water enters the flared pipe immediately after being sprayed out of the spraying holes, no extra straight pipe section is used for transition, the length of the flared pipe is shorter, and occupied space is reduced.

The utility model discloses a large-area concrete timing curing device which comprises a water receiving connecting pipe, one end of the water receiving connecting pipe is connected with the first end of a first water passing pipe through an intelligent switch valve, and the second end of the first water passing pipe is sequentially and axially connected with at least one second water passing pipe in an end-to-end mode. The second water passing pipes are connected through movable connecting pieces, the second water passing pipes and the first water passing pipes are connected through movable connecting pieces, the second water passing pipes can rotate relative to each other, the second water passing pipes and the first water passing pipes can rotate relative to each other, and a plurality of water outlet holes are formed in the outer side walls of the second water passing pipes and the outer side walls of the first water passing pipes. According to the utility model, various problems of the existing manual watering maintenance mode can be solved.

The utility model relates to the technical field of desulfurizing towers, and discloses a desulfurizing tower plate which comprises a plate body, a plurality of air holes are formed in the plate body in a penetrating manner, each air hole is provided with a uniform distribution cover in a conducting manner, the uniform distribution covers extend upwards, and meshes are formed in the uniform distribution covers in a penetrating manner; during working, smoke enters from the bottom of the air hole and flows out from the mesh holes in the uniform distribution cover; according to the utility model, the turbulent flow of flue gas can be increased, the flue gas can uniformly flow upwards, favorable conditions are provided for full contact of gas and spraying liquid, the mass transfer efficiency and the mass transfer effect are improved, meanwhile, the cleaning frequency of the tower plate can be prolonged, and the working efficiency is ensured.

The invention belongs to the technical field of design of aircraft engine power systems, and particularly relates to an aircraft engine hybrid electric power system and a design method thereof. A built-in generator is designed to extract power from an aero-engine and supply power to drive a ducted fan, so that the equivalent bypass ratio of the power system can be greatly improved, and the power efficiency is improved. According to the present invention, the oil consumption level of the engine is reduced, the high heat sink liquid hydrogen is adopted as the cooling medium to cool the motor equipment so as to effectively meet the efficient work requirement of the power system, the hydrogen fuel cell is adopted to generate power by using the gas hydrogen so as to supplement the power consumption requirement of the power system, and the power load of the generator can be reduced; the comprehensive utilization of energy is realized, and the voyage and the airborne time of the aircraft are ensured.

The embodiment of the present application provides a method and device for data query, the method comprising: presetting multiple query plans; obtaining real-time query conditions; wherein the real-time query conditions include query conditions for structured data and query conditions for unstructured data; for the real-time query conditions, determining the target selection rate of the pre-constructed center point in each query plan; according to the target selection rate, determining the query cost corresponding to each query plan; using the query cost, determining the target query plan from the multiple query plans, and executing the query for the real-time query condition according to the target query plan. Through the embodiment of the present application, the optimization of the fusion query is realized, and multiple query plans are generated while ensuring the output accuracy, and a query plan with good performance is selected from them, which can not only ensure the accuracy of the fusion query, but also reduce the cost of the fusion query and ensure the query response time.

Provided is a traffic safety assistance system capable of improving traffic safety, convenience, and smoothness of a plurality of traffic participants in an object traffic area. The traffic safety assistance system includes mobile terminals that move together with people or traffic participants as mobile bodies in the object traffic area, and a cooperative assistance device capable of communicating with the mobile terminals. The mobile terminals include notification devices that perform risk notification in a care notification mode or a simulation notification mode. The cooperative assistance device includes an object traffic area recognition unit that recognizes recognition targets including each traffic participant and a traffic environment in the object traffic area, and acquires recognition information; a prediction unit that predicts future risks of a plurality of traffic participants in a partial monitoring area of the object traffic area as prediction targets; and a risk notification setting unit that sets an action mode of risk notification for each assistance target based on the recognition information and the prediction results.

The invention discloses a continuous forming device for an ultra-long thin-wall composite material supporting structure. The continuous forming device comprises an unwinding shaft, a prepreg shaping mold, a follow-up maintaining mold, a continuous curing mold, a cooling traction mold, a cutting and polishing module and a winding shaft which are sequentially arranged. The invention further discloses a continuous forming process of the ultra-long thin-wall composite material supporting structure, which comprises the following steps: the prepreg is unwound by an unwinding shaft and then enters a prepreg shaping mold, and the prepreg is changed from a plane state to a curved surface state; the follow-up maintaining mold clamps the prepreg at an outlet of the prepreg shaping mold and drives the prepreg to move to the continuous curing mold; the continuous curing mold is used for curing the prepreg; the cooling traction mold cools and drags the blank into the cutting and polishing module; the cutting and polishing module is used for cutting and polishing the blank; and the winding shaft is used for winding the product. High-precision, high-efficiency and high-mechanical-property forming of an ultra-long composite material structure is achieved, and the method has important guiding significance in the research aspect of deployable and retractable loads of spacecrafts.

The invention relates to the technical field of data processing, in particular to a tsunami disaster risk assessment method and system based on cloud computing and a medium. The method comprises the following steps: accessing and converging data of an earthquake monitoring system, a satellite remote sensing system, a tide level monitoring device and a historical tsunami event library to obtain a multi-source heterogeneous tsunami original data set; performing format standardization, time synchronization and semantic annotation processing on the multi-source heterogeneous tsunami original data set to obtain a unified data model; establishing and registering a data service interface based on the unified data model to obtain a data service set; and calling the data service set to obtain tsunami propagation analog input data. According to the tsunami disaster risk assessment system and method, efficient, accurate, real-time and operable comprehensive management of tsunami disaster risk assessment is realized through multi-source data standardization and semantic fusion, cloud computing parallel processing, multi-dimensional index analysis and dynamic visual display.

The embodiment of the invention discloses a memory management method and device, equipment and a computer storage medium, and the method comprises the steps that network equipment allocates a first memory space corresponding to a first window threshold value for a radio link control layer (RLC, Radio Link Control) entity in an acknowledgement mode; the first window threshold value is smaller than or equal to the size of a sending window of the RLC entity; when the use condition of the first memory space meets a first condition, allocating a second memory space; the first memory space and the second memory space are both used for caching related data of an RLC entity sent to a terminal by the network equipment.

The present invention particularly relates to a method, device and storage device for optimizing time synchronization in an industrial Internet of Things scenario. The method, device and storage device for optimizing time synchronization in an industrial Internet of Things scenario calculates the time offset parameter of the system through the time offset of the client in the system, and calculates the sum of the message rates of all clients to obtain the total message rate r of the system network environment; calculates the theoretical maximum value r of the message rate of the system network environment max , according to the maximum value r max The threshold R of the system's message rate is set; the polling rate of the time synchronization service is adjusted according to the real-time time offset parameter and message rate of the system. The time synchronization optimization method, device and storage device in the industrial Internet of Things scenario can avoid the network congestion of the control system caused by uncontrolled NTP traffic, causing damage to industrial production activities, and ensure the time synchronization performance and network stability in the industrial Internet of Things scenario.

The utility model discloses a liquid packing box sterilization equipment belongs to packing box sterilization technical field, including frame and sterilization tank, the inside of frame is provided with sterilization tank, drying mechanism and winding mechanism in proper order, the both sides of sterilization tank are inclined, and the hydrogen peroxide solution is stored in the sterilization tank, and the flow control mechanism is provided in the sterilization tank, and drying mechanism is used for spouting high temperature airflow, and the guide mechanism for supporting packing box is provided in the frame. The utility model solves the problem that the local water level of hydrogen peroxide solution will fluctuate due to the movement of packing box, thereby affecting the infiltration time of hydrogen peroxide solution in different directions. The utility model discloses through baffle and flow control board can reduce the water mark produced in the moving process when packing box is infiltrated in the hydrogen peroxide solution, thereby reducing the local water level change caused by the movement of packing box, and then guaranteeing the time of packing box infiltration in the hydrogen peroxide solution, improve the effect of sterilization.

This application discloses an emergency rescue method, system, and platform based on multi-dimensional information fusion, relating to the field of emergency rescue technology. The method includes: an emergency rescue center receiving rescue request information from the location of an emergency event; coordinating information among all rescue parties based on the rescue request information and planning rescue routes based on multi-dimensional information; and alleviating traffic congestion along the rescue route by considering the destinations of vehicles in the congested area and planning alternative routes for these vehicles. The emergency rescue center coordinates multiple rescue parties based on the received location of the emergency event and plans the optimal rescue route. Furthermore, considering congested sections along the rescue route, it alleviates traffic congestion and plans alternative routes to avoid the location of the emergency event. This enables coordination among multiple rescue parties to be initiated immediately upon the occurrence of an emergency, and maximizes the time available for rescue parties to reach the emergency location, thereby improving rescue efficiency.

The embodiment of the invention discloses a compressor positioning method, electronic equipment and a compressor, a gyroscope is arranged on the compressor, the positioning method comprises the steps that a first model is established in a simulation program, and the first model is a gyroscope model when the compressor is not started; according to the first model, a second model is established through a simulation program, and the second model is a gyroscope model when the compressor operates at the first frequency; obtaining the attitude of the gyroscope in the second model through the simulation program, and adjusting the position of the compressor according to the current signal of the second model, so that the attitude of the gyroscope after the position of the compressor is adjusted is consistent with the attitude of the gyroscope in the second model. According to the technical scheme, compared with the prior art that a strain gauge is arranged on an air conditioner model machine for vibration testing, the position of the compressor in normal use can be more accurately obtained through the simulation program and the gyroscope, and the accuracy of the vibration testing result is guaranteed.

The utility model discloses a continuous pressurizing and supplying device for an oxygen bag, relates to the technical field of medical oxygen bags, and solves the problems of labor difficulty and instability caused by the fact that the output pressure of the oxygen bag needs to be maintained manually in the prior art. According to the technical scheme, the device is characterized by comprising a first oxygen bag and a second oxygen bag, a first output auxiliary pipe is arranged at one end of the first oxygen bag, a first hose is connected to the first output auxiliary pipe, one end of the first hose is connected to a first collecting pipe, one end of the first collecting pipe is connected to one end of a main output pipe, and a second output auxiliary pipe is arranged at one end of the second oxygen bag; a second hose is connected to the second output auxiliary pipe, one end of the second hose is connected to a second collecting pipe, and one end of the second collecting pipe is connected to the other end of the main output pipe. Automatic output switching is carried out through the first oxygen bag and the second oxygen bag, the stable oxygen output pressure in the main output pipe is guaranteed, the existing unstable pressure output which needs to be maintained by manpower is avoided, the working efficiency is improved, and manual labor is reduced.

The invention belongs to the field of polymer preparation processes, and relates to a device and a method for preparing crude glycolide, which can be industrially implemented, can be continuously operated and can be operated on a large scale. The device comprises a dehydration unit, a polycondensation unit and a depolymerization unit which are sequentially connected, the dehydration unit comprises a dehydration kettle, a dehydration kettle heater, a dehydration tower and a dehydration tower condenser, the polycondensation unit comprises a polycondensation kettle and an optional pre-polycondensation kettle arranged at the upstream of the polycondensation kettle, and the depolymerization unit comprises a pre-depolymerization kettle, a depolymerization kettle and a crude glycolide condenser. The raw material glycollic acid or glycollic acid ester is subjected to dehydration separation, optional pre-polycondensation, polycondensation, pre-depolymerization, depolymerization and the like to finally obtain a crude glycolide product. Meanwhile, a small amount of non-condensable gas, depolymerization residues, water or alcohol and other byproducts are produced. The device provided by the invention can realize industrial large-scale continuous production, and improves the yield of the target product through various strengthening means.

The invention relates to a casting method of an automobile chassis support, which relates to the technical field of automobile metal casting, and comprises the following steps: S1, material preparation: selecting proper casting materials, such as zinc alloy, aluminum alloy and magnesium alloy, according to the design requirements and performance requirements of the automobile chassis support, then cutting the selected materials into particles with proper sizes, after cutting is completed, a granular metal material is obtained; s2, melting equipment is conducted, specifically, the cut granular metal material is poured into an electric furnace to be heated, the heating temperature is kept at 720-830 DEG C, heat preservation stirring is conducted for 30 min, it is ensured that the metal material is evenly heated and completely melted, and casting molten metal is obtained after melting is completed; and S3, casting equipment is adopted, the casting metal liquid is put into the casting equipment, the casting speed of the metal liquid is controlled, and it is ensured that the casting mold can be stably and evenly filled with the metal liquid. The device has the effect that the casting injection speed of the molten metal is automatically adjusted according to different casting molten metal materials, and the casting quality of automobile chassis supports made of different materials can be guaranteed.

The utility model belongs to the technical field of waste incineration fly ash treatment, and provides a tubular pyrolysis device used for pyrolyzing fly ash in an incinerator, which comprises a tubular pyrolysis device body, the tubular pyrolysis device body is arranged on the upper portion in an incinerator and used for pyrolyzing fly ash and / or dioxin in fly ash particles. The tubular pyrolysis device body comprises an inlet end and an outlet end, the inlet end is used for feeding of fly ash and / or fly ash particles, and the outlet end is used for discharging of pyrolyzed products. According to the tubular pyrolysis device, the problem that dioxin in fly ash cannot be completely pyrolyzed in an incinerator is solved, the tubular pyrolysis device body can guarantee the pyrolysis temperature and the pyrolysis time, and the dioxin can be completely pyrolyzed. And dioxin cannot be regenerated even if the treated fly ash is cooled to an environment of 300-500 DEG C. And the pyrolyzed product is in direct contact with oxygen in the air for conveying the gas, and combustible materials can be burnt out, so that the condition for synthesizing the dioxin again is not provided.

The invention relates to the technical field of charging piles, and discloses a mute device for a charging device, a mute charging device and an installation method.The mute charging device comprises the charging pile, a first access door is arranged on the left side of the charging pile, a second access door is arranged on the right side of the charging pile, and an air inlet silencing structure is arranged on the left side of the first access door; an air outlet noise reduction structure is arranged on the right side of the second access door. Noise is reduced by arranging the air inlet noise reduction structure and the air outlet noise reduction structure, and under the condition that the original structure and the heat dissipation effect of the charging pile are not changed, silent charging is achieved through the reasonably-arranged miniaturized and light silent equipment through the structure of the access door of the charging pile, and meanwhile the use experience of a user is improved.

The present application relates to an interface automation testing method, device, equipment and storage medium, and relates to the field of software testing technology, and aims to solve the problem that some test data are time-sensitive, so developers need to rewrite test cases to test again after each test data update, and generally there are many interfaces to be tested, and repeatedly writing test cases leads to a significant decrease in test efficiency. The technical problem includes: obtaining time-sensitive scenario data in the historical records of the interface to be tested, and generating a test database based on the acquired time-sensitive scenario data; when the interface to be tested needs to be tested, generating an automatic test case; injecting the time-sensitive scenario data in the test database into the automatic test case and loading it; outputting the test return value of the automatic test case in different test environments; comparing the test return value with the expected test changes and outputting the comparison result. The present application has the effect of significantly improving the efficiency of automated testing.

The invention discloses a three-agent communication method, which comprises the following three steps of: S1, carrying out time slot synchronization on three-agent communication; s2, performing a frequency synchronization process of three-agent communication; and S3, carrying out information sending and receiving processes through three-agent communication. According to the three-agent communication method provided by the invention, the concepts of the master node and the slave node are introduced, and the dynamic time slot synchronization and frequency synchronization technologies are combined, so that the efficient, reliable and high-anti-interference-capability communication performance among multiple agents is realized.

The invention relates to the technical field of sealing rings, in particular to a split type waterproof sealing ring structure which comprises a steel framework, a fabric and rubber mixing part, a rubber part and finger-type springs, and the steel framework is wrapped with the fabric and rubber mixing part; the rubber part and the fabric and rubber mixing part are integrally formed, a main lip and an auxiliary lip are arranged on the other side of the rubber part, and a V-shaped groove is formed in the rubber part and located between the fabric and rubber mixing part and the main lip. The finger-shaped spring is attached to the V-shaped groove, one end of the finger-shaped spring is wrapped in the fabric and rubber mixing part, and the other end of the finger-shaped spring is embedded into one side of the main lip of the rubber part. The upper half part is made of a fabric and rubber mixed part, the fabric and rubber mixed part is excellent in buffering and anti-pressure capacity, cutting is facilitated at a subdivision notch, the lower half part is made of a rubber part, rubber is good in wear resistance, and the sealing use time and effect are guaranteed. The split type waterproof sealing ring structure is internally provided with the steel framework, so that the sealing ring can be effectively prevented from deforming.

This invention belongs to the field of water conservancy engineering technology, specifically relating to a method for in-situ replacement of an aqueduct. The invention completes the in-situ replacement of the aqueduct through seven steps: safety assessment of the original aqueduct, temporary reinforcement of the risky aqueduct bridge pillars, permanent reinforcement of the aqueduct bridge abutments, construction of replacement aqueduct bridge pillars between adjacent risky aqueduct bridge pillars, prefabrication of the replacement aqueduct body and demolition of the risky aqueduct body, and installation of the replacement aqueduct body along with auxiliary installations such as waterstops and railings. By employing the technical solution of this invention, the replaced aqueduct shares the same axis as the original aqueduct. Therefore, during the demolition and reconstruction process, the existing aqueduct's operational time is maximized, minimizing losses.

The invention relates to the technical field of metal heat treatment liquid, and discloses oil-water separation type overspeed quenching oil and a preparation method thereof, and the oil-water separation type overspeed quenching oil comprises base oil, polyisobutene, a trapping agent, a coagulation agent, oil-soluble divalent metal organic acid salt and an additive. According to the invention, a synergistic response system composed of a trapping agent, a coagulation agent and an oil-soluble divalent metal organic acid salt is introduced into an oil product. When water invades, the synergistic response system is subjected to chemical processes of hydrolysis, ion bridging and coagulation. According to the technical scheme, the quenching oil has a rapid and thorough self-triggering oil-water separation function, oil product emulsification and performance reduction caused by water pollution are effectively avoided, meanwhile, the system is chemically inert in a water-free state, and the original overspeed cooling performance of the oil product is not affected. The invention further provides a preparation method of the quenching oil, and the preparation method is simple in process and easy to control.

The utility model discloses deodorization equipment for odor purification of a sludge dewatering machine room, relates to the technical field of deodorization, and aims to improve the deodorization effect and avoid secondary pollution to the environment. The deodorization equipment comprises an equipment shell, an ion deodorization device, a chemical deodorization device and a pump drainage device. On one hand, the deodorization equipment can suck odor for purification treatment and is applied to the sludge dewatering machine room, air circulation of the sludge dewatering machine room can be guaranteed, the retention time of the odor in a room is shortened, on the other hand, the odor is purified in a combination mode of ion oxidation and chemical filtration, purification is efficient, and the deodorization effect is good. The concentration of odor-causing factors in the odor can be effectively reduced, no other secondary pollutants are generated, and the deodorization effect is good.