66results about How to "Precise time control" patented technology

The invention discloses a water jet assisted laser-electrochemical combined machining method which comprises the following steps: pre-treating a nickel-based superalloy to be machined, and fixing the nickel-based superalloy on a machining table; a machining area is positioned, parameters of water jet assisted laser and electrochemical machining are set, so that during laser machining, water jet cools the machining area and removes slag, and an electrolyte does not affect a non-machining area; meanwhile, water jet assisted laser and electrochemistry are started to machine the nickel-based superalloy, and the machining state is monitored in real time; and after composite machining is completed, the nickel-based high-temperature alloy is cooled. By accurately setting laser, water jet and electrochemical machining parameters, the efficient synergistic effect of the laser, water jet and electrochemical machining parameters in a machining area is ensured, the machining precision and the surface quality are effectively improved, the defects of heat affected zones, microcracks, recast layers and the like are remarkably reduced, and the machining quality is improved. And meanwhile, corrosion to a non-machining area is reduced through the mode of spraying the electrolyte in a pulse mode.

The invention discloses a method for preparing synthetic quartz sand by a sol-gel method, which comprises the following steps: mixing silicon alkoxide and an alcohol solvent, and stirring to form a homogeneous solution marked as L1; mixing an acidic catalyst, an alcohol solvent and ultrapure water to form a mixed solution, and recording the mixed solution as L2; dropwise adding the L1 solution into the L2 solution, and continuously stirring and hydrolyzing to obtain sol; dropwise adding ammonia water into the sol until the pH value is 5-10, and standing in a vacuum drying oven to obtain wet gel; and drying and sintering the wet gel to obtain the high-purity synthetic quartz sand. The gelation time is accurately controlled through acid-base two-step catalysis, the production period is shortened, and the production efficiency is improved; meanwhile, the size and uniformity of silicon dioxide particles are controlled by controlling the dripping speed of a silicon source, so that the sintering temperature of the synthesized quartz sand is greatly reduced, and the solvent is recycled through distillation when wet gel is dried, so that the production cost is reduced, and the pollution to the environment is reduced.

The invention discloses a method for detecting the hydrazine content in a medicine containing carbidopa. The invention provides a method for detecting hydrazine content in a medicine containing carbidopa, which comprises the following steps: (1) mixing a sample to be detected and an aldehyde substance in a solvent under the action of acid, deriving hydrazine in the sample to be detected and the aldehyde substance to obtain a test solution, and (2) detecting the content of hydrazine in the test solution. Compared with the prior art, the method has the advantages that the carbidopa does not need to be removed through pretreatment, hydrazine introduced in the determination process can be ignored, operation is simple, derivatization time and sample injection time do not need to be accurately controlled, repeatability is good, and quantification is accurate.

The invention discloses an automatic physical connection and disconnection pure electric vehicle charging system which comprises a charging gun, a charging socket and a charging pile, a charging module is arranged in the charging pile, the charging module comprises a processor, a PWM signal source assembly, a first logic control assembly and a second logic control assembly, the first logic control assembly is connected with the charging gun, and the second logic control assembly is connected with the charging socket. The second logic control assembly is connected with the charging socket, the charging gun comprises a shell, a driving motor and a rack are installed in the shell, the rack is meshed with the output end of the driving motor, a plug inner core set is fixed to the end of the rack, and the processor is connected with the driving motor. According to the invention, by accurately controlling the connection and disconnection time, the exposure time of the charging interface in an electrified state is reduced, so that the ionization corrosion degree is reduced, and the service life of a connector is prolonged.

The invention relates to the technical field of metal processing, and discloses a hot press molding process for metal product manufacturing, which comprises the following procedures: S1, raw material preparation, S2, mold design and manufacturing, S3, preheating treatment, S4, hot press molding, S5, cooling and demolding, S6, post-treatment and S7, packaging and storage.The process can improve the product quality, and the product quality is improved through strict raw material preparation; according to the die, impurities are removed, the size precision is ensured, a foundation is laid for high-quality products, the shape and size precision of the products is ensured, the consistency and reliability of the products are improved, the hot-press forming process is optimized, the temperature, pressure and time are accurately controlled, a die cavity is fully filled with metal materials, internal defects of the products are reduced, and the product quality is improved. The mechanical property of the product is improved, meanwhile, the production efficiency is improved, the hot press forming difficulty is reduced through the reasonable preheating treatment and the segmented pressurizing and heating mode, and the forming speed is increased.

The utility model discloses a combustible ice exploiting device based on a coiled tubing, which comprises a coiled tubing assembly and a combustible ice exploiting assembly, the combustible ice exploiting assembly is arranged at the lower end of the coiled tubing assembly, and the combustible ice exploiting assembly can move to an underground combustible ice exploiting well section along with the movement of the coiled tubing assembly. A mining monitoring assembly, a hydraulic control pipeline and a power supply control cable are arranged on the outer side wall of the coiled tubing assembly; according to the continuous oil pipe, the function of rapidly and stably exploiting combustible ice is achieved, the exploiting time and the exploiting speed can be remotely and accurately controlled on the ground in the whole exploiting process, and the function of measuring a DAS signal, a DTS signal and a DPS signal on the inner side and the outer side of the continuous oil pipe body in real time in the exploiting process of the combustible ice is achieved; the operation safety of the device in the whole combustible ice exploiting process is guaranteed, the exploiting accuracy and exploiting efficiency of the combustible ice are improved, and the device is simple in structure, high in practicability and suitable for being widely popularized and used.

The invention discloses a drying mechanism of a pet washing and drying machine, and belongs to the technical field of pet nursing equipment. Comprising a square cavity, a cleaning cavity is formed in the square cavity, drying cavities are symmetrically formed in the cleaning cavity, an anti-biting rod is fixedly connected between the cleaning cavity and the drying cavities, a rotating cavity is formed in the upper surface of the interior of the cleaning cavity, and a motor is fixedly connected to the interior of the rotating cavity; the output end of the motor is fixedly connected with a transmission wheel, and a rotating opening is fixedly communicated between the rotating cavity and the cleaning cavity. According to the drying mechanism of the pet washing and drying machine, the cleaning part is independently arranged, and the cleaning cavity is specially used for pet cleaning work. A motor drives a hollow column to drive a slotting plate and a water outlet disc to rotate, and an adjusting ball in a cleaning cavity is matched, so that water spraying cleaning is more uniform and comprehensive, and dirt on pet hair and skin can be effectively removed. Due to the independent cleaning design, the cleaning process is not interfered by other factors such as drying.

The invention belongs to the field of electronic component detection, and provides environment temperature stress cycle equipment and an environment temperature stress cycle test method. The environment temperature stress circulation equipment comprises a box body, a conveying module and a control module, wherein the interior of the box body is divided into a normal-temperature area, a low-temperature area, a water vapor area and a high-temperature area which are independent from one another; the conveying module is arranged in the box body, penetrates through the normal-temperature area, the low-temperature area, the water vapor area and the high-temperature area and is used for conveying a to-be-detected piece; the control module is electrically connected with the conveying module and controls the conveying module to transfer the to-be-detected piece among the normal temperature area, the low temperature area, the water vapor area and the high temperature area. According to the invention, the detection efficiency of the to-be-detected piece is improved.

The utility model discloses a greenhouse structure suitable for Pien Tze Huang grass cultivation, and relates to the technical field of agricultural planting facilities. The greenhouse structure comprises two supporting assemblies which are symmetrically arranged, a plurality of illumination assemblies located between the two supporting assemblies and a driving assembly. The supporting assembly is composed of an arc-shaped supporting frame, a stand column, a cross beam and a stabilizing rod and provides stable supporting. The illumination assembly comprises a transparent hollow pipe body, a non-transparent partition plate and a rotating shaft, the partition plate divides the pipe body into a first lamp chamber and a second lamp chamber, and different types of functional lamps are arranged in the lamp chamber. The rotating shaft is rotationally connected with the cross beam; all the pipe bodies are transversely arranged in parallel. The driving assembly comprises a driving gear, a transmission gear set and a motor, and the motor drives the rotating shaft to drive all the pipe bodies to rotate synchronously. Through the cooperation of the illumination assembly and the driving assembly, the illumination type and angle can be flexibly adjusted, the utilization efficiency of illumination resources is improved, it is ensured that the Pien Tze Huang grass can obtain proper illumination in all growth stages, and the planting efficiency and quality are improved.

The invention discloses a renal paracentesis postoperation compression hemostasis device which comprises a support, a one-way timing force storage assembly, an automatic timing control assembly, a tightness limiting assembly, an opposite tightness assembly and a compression assembly, the one-way timing force storage assembly is arranged on the support, the automatic timing control assembly is fixedly arranged on the support, the tightness limiting assembly is fixedly arranged on the side wall of the support, and the opposite tightness assembly is fixedly arranged on the side wall of the support. The opposite elastic assembly is slidably arranged at the bottom end of the side wall of the support, and the pressing assembly is arranged on the support. The invention belongs to the technical field of renal puncture medical instruments, and particularly relates to a compression hemostasis device used after a renal paracentesis operation. The one-way timing force storage assembly, the automatic timing control assembly and the tightness limiting assembly are arranged, and the problem that the compression hemostasis device after the renal paracentesis cannot automatically and accurately control the compression time in the current market is solved.

The utility model provides a multi-station injection control mechanism of an ice cream machine. The multi-station injection control mechanism comprises an ice cream cabinet; the injection equipment is fixedly installed in the middle of the front face of the ice cream machine cabinet, control pull rods are arranged on the three sides of the top of the injection equipment, and a sliding groove is formed in one side of the outer surface of each control pull rod. According to the multi-station material injection control mechanism of the ice cream machine provided by the utility model, the three groups of control parts and the three groups of control pull rods are matched with each other, so that automatic material injection and material injection stopping of multi-station material injection are realized, and the device is simple in structure, strong in practicability and high in practicability. The moving length and the stretching time of the output shaft of the jacking piece can be controlled through the controller, so that the control pull rod is automatically driven to rotate, the material injection time of the ice cream machine is precisely controlled, and precise discharging is achieved when ice cream is made.

The utility model relates to a device for pasting hot melt adhesive on a mobile phone outer frame, which comprises a hot melting tool, the hot melting tool is arranged on a bottom plate and comprises a plurality of pushing and pressing heating groups, the pushing and pressing heating groups are distributed in a radial shape, each pushing and pressing heating group comprises a heating part and a moving part, the front end of each heating part is arranged at a radial concentrated end, and the moving part is arranged at the tail end of each heating part. The moving part drives the heating part to move linearly, and the pushing and pressing heating set is used for heating the outer side of the mobile phone outer frame bonded with the hot melt adhesive. The utility model relates to the technical field of mobile phone shell processing equipment. The device can be matched with a control system for use, so that the hot melt adhesive is prevented from being activated, and meanwhile, the hot melt adhesive is attached to a mobile phone shell.

This invention belongs to the field of daily chemical products technology, specifically relating to an antibacterial care liquid and its preparation method. It is processed from main ingredients and auxiliary ingredients. The auxiliary ingredients include the following components by weight percentage: purified water 89.30%, silver ions 3%, honeysuckle extract 1.2%, wild chrysanthemum extract 1.2%, purslane extract 1.2%, clover extract 1.0%, gentian root extract 1.0%, hyaluronic acid 0.5%, carbomer 0.8%, and triethanolamine 0.8%. The main ingredient is American cockroach extract, and the weight ratio of the main ingredient to the auxiliary ingredients is 3:100. The product of this invention has the effects of repairing skin cells and slowing down skin aging. It can solve the problems of dry and loose skin, and at the same time, it can resist acne and pimples, remove acne marks, lighten scars, and make the skin moist, shiny, and elastic. It also has a good repairing effect on various wounds such as ultraviolet rays and radiation burns, as well as bedsores and frostbite.

The present invention discloses a control and regulation system for producing medical cotton swabs, comprising: a raw material supply control module, used for controlling the supply speed and supply amount of medical cotton and wooden stick raw materials, the module comprising a sensor component, used for real-time monitoring the remaining amount of cotton and wooden sticks in a raw material storage bin, when the remaining amount of cotton is lower than a set threshold, the sensor will send a signal to trigger a raw material replenishment mechanism, and automatically retrieve cotton from a raw material reserve for replenishment; for wooden sticks, when the remaining amount of wooden sticks is lower than a set threshold, a replenishment operation will be triggered; the supply speed control formula is: for cotton, supply speed, wherein is the demand rate of cotton for current cotton swab production equipment, unit: g / min, is the cotton supply regulation coefficient; the present invention uses the raw material supply control module to accurately monitor the remaining amount of cotton and wooden sticks in real time, replenishes in time when the inventory is lower than the set threshold, and avoids the accumulation or shortage of raw materials at the same time, which is beneficial to cost control and production efficiency improvement.

The invention discloses an oven capable of enabling baked food materials to have special fragrance, which comprises an incense burner for containing plants or incense stones capable of generating non-toxic and harmless fragrance through baking, the incense burner is arranged in an interlayer between a cavity of the oven and a shell of the oven, the fragrance generated by the incense burner is sent into the cavity by a fan through an air supply pipe connected to the incense burner, and the fragrance generated by the incense burner is sent to the shell of the oven. The incense burner is arranged outside the cavity, so that food materials can be smoked and roasted, the incense burner is not influenced by a high-temperature environment in the cavity, the incense burner does not need to be made of a high-temperature-resistant material, the temperature of roasting spices and the roasting time can be accurately controlled, and the roasting efficiency is improved. Therefore, the time for conveying the fragrance into the cavity is controlled or the fragrance is quantitatively conveyed.

The present invention belongs to the technical field of fluid blocking test, and specifically relates to a compound damping check valve fluid blocking test system and a test method thereof. The present invention includes a first burst pipe simulation component and a second burst pipe simulation component, the inlet of the first burst pipe simulation component is connected to the valve body inlet of the angle damping check valve, the valve body outlet of the angle damping check valve is connected to the outlet of the accumulator through the switch valve SV6, and the inlet of the accumulator is respectively arranged with a gas branch and a liquid branch; the inlet of the second burst pipe simulation component is connected to the valve body inlet of the straight-through damping check valve, and the valve body outlet of the straight-through damping check valve is connected to the outlet of the accumulator through the switch valve SV7; the pressure regulating chamber of the second burst pipe simulation component is connected to the gas source through the switch valve SV2 and the regulating valve CV2 in sequence. The present invention can simultaneously achieve the online test effects of the diagonal damping check valve and the straight-through damping check valve under the same working conditions, and the test data calculation accuracy is higher.

The utility model is suitable for the technical field of hotpot condiment manufacturing, and provides a hotpot condiment manufacturing and feeding device which comprises a material box sleeved with a heat preservation water tank. The frame is fixedly arranged on the material box; the material guide pipe is arranged at the bottom of the material box and extends to the bottom of the heat preservation water tank; the material valve is arranged on the material guide pipe; the material pipe heat preservation mechanism is arranged at the bottom of the heat preservation water tank and used for conducting heating and heat preservation on a material guide pipe; the heating mechanism is arranged on the heat preservation water tank and used for heating water in the heat preservation water tank; and the lifting mechanism is arranged on the frame and used for controlling the cleaning mechanism to move up and down. According to the hotpot condiment making and feeding device, beef tallow can be prevented from being cooled and solidified in the material guide pipe, the situation that the material guide pipe is blocked is avoided, and the hotpot condiment making and feeding device has the function of cleaning the material box and is convenient to maintain.

The utility model relates to the technical field of machining, and discloses a lifting quenching device for mechanical finish machining, which comprises a bottom plate, hydraulic push rods are fixedly connected to two ends of one side of the top of the bottom plate, the two hydraulic push rods stretch out and draw back to realize ascending and descending of a lifting frame, and the tops of the two hydraulic push rods are fixedly connected with the same U-shaped lifting plate. Strip-shaped plates are fixedly connected to the two ends of the U-shaped lifting plate, T-shaped sliding grooves are formed in the bottoms of the two strip-shaped plates, T-shaped plates are slidably connected into the two T-shaped sliding grooves, rotating rods are rotatably connected to the tops of the sides, close to each other, of the two T-shaped plates, and the same lifting frame is fixedly connected between the two rotating rods. According to the utility model, the technical effects that tedious manual auxiliary steps and waiting time in the traditional operation are reduced, the quenching process of the workpiece can be completed within the optimal time according to requirements, and meanwhile, the workpiece is automatically collected after being quenched are achieved.

An OCT catheter welding tool comprises a base (6), characterized in that a linear guide rail fixing seat (5) is installed at each end of the base (6), wherein the linear guide rail fixing seat (5) at one end is fixed in the base (6), and the linear guide rail fixing seat (5) at the other end is connected to a displacement platform (1) and can move towards the first linear guide rail fixing seat (5) under the drive of the displacement platform (1); a linear guide rail (4) is installed on the linear guide rail (4), a slider (3) is installed on the slider (3), a cylinder fixing seat (2) is installed on the slider (3), a cylinder (8) is installed on the cylinder fixing seat (2), a catheter clamp fixing seat (7) is installed on the cylinder rod of the cylinder (8), and a clamp for clamping the catheter (9) is installed on the catheter clamp fixing seat (7). The present invention solves the urgent need of production, is conducive to improving production efficiency, and ensures processing quality.

The invention discloses a ventilation self-adaptive control system and method for high-altitude tunnel construction, and the system comprises a mobile device and monitoring subsystem which is used for arranging a monitoring device capable of moving along with tunneling of a tunnel, and collecting dust concentration, CO concentration, air pressure, temperature and humidity data and mileage positions of measuring points; the ventilation working condition acquisition subsystem is used for acquiring the ventilation working condition to determine the ventilation flow; the data processing and source item inversion module is used for constructing a one-dimensional convection-dispersion discrete model of the segmented control body based on the monitoring data and inverting the time-varying release rate and the total yield of blasting pollutants; the ventilation self-adaptive control module is used for generating a staged ventilation strategy according to the inversion result; and the user interface and alarm module is used for displaying real-time data and a ventilation strategy and triggering an alarm when the real-time data and the ventilation strategy exceed the standard. According to the method, the blasting pollutant source item can be accurately inversed in real time, and the optimal ventilation strategy is dynamically generated according to the blasting pollutant source item, so that ventilation efficiency maximization and energy consumption minimization are realized, and construction safety is guaranteed.

The invention discloses a super-early-strength polycarboxylate superplasticizer as well as a preparation method and application thereof, and belongs to the technical field of admixtures for concrete. The preparation method of the water reducer comprises the following steps: dropwise adding a carboxylic acid monomer aqueous solution, an ammonium persulfate aqueous solution and a vitamin C aqueous solution into a methyl allyl polyoxyethylene ether aqueous solution to prepare a prepolymer; the preparation method comprises the following steps: carrying out graft modification on a phosphate monomer and acrylamide, adding a ternary compound of triethanolamine, calcium formate and sodium citrate and an organic silicon defoamer, and adjusting the solid content to obtain the super-early-strength polycarboxylate superplasticizer. A specific monomer combination and a composite modifier are adopted to adapt to a high-sulfur-resistance cement-ultra-high-performance concrete system, the problems that a traditional water reducing agent is poor in adaptability, insufficient in early strength and weak in erosion resistance are solved, synergistic improvement of water reduction, early strength and durability is achieved, the raw materials are environmentally friendly, the preparation process is mild, and the method is suitable for industrial production. And the method is suitable for low-temperature, high-sulfur saline-alkali and other harsh construction scenes.

The utility model discloses an automatic cleaning system for a hydrogen peroxide primary filter. The automatic cleaning system comprises a solvent cleaning process, a steam blowing process, an alkali washing process, a water washing process, an acid washing process and a nitrogen drying process. A solvent cleaning assembly, a steam cleaning assembly, an alkali washing assembly, a water washing assembly, an acid washing assembly and a nitrogen drying assembly in the cleaning process are connected with a solvent cleaning tank, a cooler, a filter and the like through a first pipeline and a second pipeline to form independent cleaning parts, and meanwhile the solvent cleaning tank serves as a common component to participate in each process. Multi-step cleaning of the filter element in the solvent cleaning tank is completed, and the whole process is automatically carried out through control of the DCS on the stop valves and the pump body. Operation of operators is reduced, and safe operation of the device is guaranteed; the cleaning efficiency is improved, the cleaning time is shortened, and the use amount of acid and alkali is effectively reduced; and the time of each step in cleaning is accurately controlled, and the stable cleaning quality is guaranteed.

An automated printing processing system includes a sorting mechanism located between a detection system and a conveying mechanism. The detection system measures the parameters of the printed materials. The conveying mechanism has an upper conveying channel and a lower conveying channel, with the lower conveying channel being longer than the first. The sorting mechanism has an adjustable sorting conveyor, onto which printed materials from the detection system can be conveyed. The sorting conveyor can communicate with both the upper and lower conveying channels. A fixed part of a rotating component is connected to a sliding part of a first sliding component, the sliding direction of which is consistent with the conveying direction of the conveying mechanism. A first connecting bracket is connected to the rotating part of the rotating component. A first lifting component and a second lifting component are positioned opposite each other on the first connecting bracket. A roller pressing device is connected to the lifting part of the first lifting component, and a wet spraying device is connected to the lifting part of the second lifting component. The overall structure is simple, and the combined detection and sorting systems enable rapid sorting and screening of printed materials.

The invention relates to the field of semiconductors, and particularly discloses a method for reducing process defects of uniform glue developing equipment. According to the process provided by the invention, an accurate developing liquid dropping mode is adopted, the moving distance of dropping liquid is shortened, the over-developing phenomenon of developing can be effectively avoided, the stability and repeatability of developing are improved, the exhaust air rate in a baking stabilizing chamber is increased, impurity accumulation in a hot plate cavity is effectively reduced, and the quality of the hot plate is improved. Volatilized by-products of the photosensitive glue in the heating process are removed in time, the uniformity of the heating effect of the photosensitive glue layer is prevented from being affected, the rotary glue spinning speed after standing of the developing solution is increased, the contact time of the developing solution and the back face of the wafer is effectively shortened, residual glue is prevented from being attached to the wafer again, and therefore the cleanliness of the technology is improved, and the production efficiency is improved. Aiming at a high-viscosity negative photoresist photoetching process used in semiconductor manufacturing, the process stability of uniform photoresist developing equipment is remarkably improved.

The utility model relates to the technical field of kitchen cooking utensils, and particularly discloses a vacuum cooking utensil with a good sealing effect, which comprises a pot body, a pot cover and a sealing ring. The pot body comprises a pot body and an inner pot arranged in the pot body, and the opening part of the inner pot is provided with a flange extending outwards; the sealing ring comprises a connecting part and a sealing part connected with the connecting part; the sealing part comprises a first sealing lip and a second sealing lip; the first sealing lip is configured to obliquely extend from the connecting part to the inner side of the sealing ring, and is attached to the part, close to the interior of the inner pot, of the turned-over edge in a cover closing state so as to prevent gas in the inner pot from escaping during positive pressure; and the second sealing lip is configured to obliquely extend from the connecting part to the outer side of the sealing ring, and is attached to the part, far away from the interior of the inner pot, of the flange in a cover closing state so as to prevent external air from entering the internal space of the inner pot under negative pressure. The sealing requirements in two pressure states can be met at the same time, and the problem of unstable pressure caused by gas leakage or external gas entering is solved.

The invention provides intelligent automatic crock medicine decocting equipment which comprises a medicine decocting table with a plurality of medicine decocting furnaces, conveying mechanisms for conveying medicine pots to be decocted inwards to one side of the medicine decocting table and conveying used empty medicine pots outwards are arranged on the two sides of the medicine decocting table, and a temporary storage device is arranged at the end of each conveying mechanism. A residue-liquid separator used for separating and filtering medicine residues and medicine liquid is further arranged on one side of the medicine decocting table, and a mechanical arm mechanism is arranged behind the medicine decocting table. The mechanical arm mechanism is used for clamping and placing a pot which is conveyed inwards from the conveying mechanism and is to be decocted on a medicine decocting furnace of the medicine decocting table, clamping the decocted medicine pot from the medicine decocting table to the position above the residue-liquid separator, pouring medicine residues and medicine liquid in the medicine pot into the residue-liquid separator, and then placing the empty medicine pot on the conveying mechanism to be conveyed outwards. According to the full-automatic medicine decocting machine, full-automatic control over medicine decocting is achieved, the medicine decocting stations suitable for crock or ceramic pots are arranged, and the optimal medicine effect of medicine liquid is guaranteed.

A method for positive pressure dense phase pneumatic ash conveying in an energy-saving coal-fired power plant: an analog material level measurement device is installed on the silo pump; when the material level measured by the material level sensor is greater than the material level high setting value or the ash loading time exceeds the theoretical ash loading time, the ash loading ends and enters the ash conveying queue; when the ash conveying queue ends, the ash conveying is timed at the same time; if the ash conveying time T2 exceeds the ash conveying timeout setting, the program stops and reports a timeout alarm; when the ash conveying gas pressure measured by the ash conveying pressure sensor is less than the pressure setting and the material level measured by the material level sensor is greater than the material level low setting, the ash conveying ends and the next round of ash loading and conveying begins. The present invention improves the control strategy of the ash conveying system and perfects the fault judgment configuration, greatly improves the accuracy of the fly ash material level measurement of the ash conveying system, ensures the stable, efficient and economical operation of the ash conveying system, effectively reduces the ash conveying frequency, improves the ash-to-gas ratio, and reduces the power consumption rate of the ash conveying air compressor.

The invention discloses an irrigation and drainage integrated device driven by photovoltaic solar energy, and relates to the technical field of irrigation and drainage, the irrigation and drainage integrated device comprises a fixed pipe, the outer side of the fixed pipe is fixedly connected with a connecting pipe, the inner wall of the connecting pipe is fixedly connected with a middle pipe, the inner wall of the middle pipe is fixedly connected with an inclined plate, and the outer side of the fixed pipe is provided with a fixed ring; a cylinder is fixedly connected to the inner wall of the fixing ring, an inner cavity is formed in the inner wall of the fixing ring, a round hole is formed in the bottom of the inner cavity, a connecting rod is fixedly connected to the inner wall of the fixing ring, a round pipe is fixedly connected to the inner wall of the fixing ring, the connecting rod is fixedly connected with the middle of the round pipe, an elastic plate is fixedly connected to the outer side of the round pipe, and a sliding groove is formed in the inner wall of the round pipe. According to the irrigation and drainage integrated device driven by the photovoltaic solar energy, the connecting position of the connecting pipe and the circular pipe is located above the connecting pipe, when water supply is rapidly closed, water can be prevented from continuously leaking under the action of gravity at the moment, and dripping of residual water in the fixing ring is reduced.

An automatic waxing mechanism comprises a telescopic movable part, a fixed support part and a power drive part, wherein the telescopic movable part comprises an optical axis and a waxing bracket, and optical axis fixing seats are respectively arranged at both ends of the optical axis, and a fixed axis is arranged at the front end of the waxing bracket in a cantilever structure, and a sleeve is arranged on the fixed axis through a one-way bearing, and wax follows the sleeve to rotate unidirectionally relative to the fixed axis, and a ratchet is coaxially connected to the end face of the sleeve close to the waxing bracket; the fixed support part comprises a fixed block and a ratchet, and a sliding sleeve connected to the optical axis sleeve is arranged on the fixed block, and when the optical axis slides along the sliding sleeve to one end, the wax on the sleeve is driven to extend forward; when the optical axis slides along the sliding sleeve to the other end, the wax on the sleeve is driven to retract backward; when the wax retracts into place, the waxing bracket approaches the fixed block, and the ratchet touches the teeth of the ratchet, and pushes the ratchet to rotate a preset angle, thereby driving the sleeve and the wax to rotate synchronously. The invention realizes automated operation, improves work efficiency, and delivers wax uniformly.

The present invention belongs to the field of current-carrying test of conductive lightning protection materials, and provides a current-carrying test system and method for conductive lightning protection materials to solve the problem of inaccurate current-carrying test of conductive lightning protection materials at present. Among them, the sample electrode clamping module in the current-carrying test system for conductive lightning protection materials is arranged in an environmental chamber, and the conductive lightning protection material is fixed on the sample electrode clamping module; the control module is used to control the discharge module to simulate lightning discharge; the electric signal acquisition module, the temperature measurement module and the image acquisition module synchronously collect the voltage signal and the current signal of the conductive lightning protection material and the temperature and damage morphology image at the same position on the surface of the conductive lightning protection material and transmit them to the control module; the control module is used to construct the relationship between the current-carrying resistance of the conductive lightning protection material and the temperature and the damage state of the conductive lightning protection material at the corresponding temperature, which can realize the temperature rise mode of self-heating of the lightning current-carrying electric Joule heat, and accurately obtain the resistance change of the material during the lightning current-carrying process.