71results about How to "Void cleaning" patented technology

The invention relates to a sump well for a vacuum drainage system. The sump well comprises a collection well, a sewage pumping pipe, a drainage pipe, a vacuum valve, a controller for controlling connection and disconnection of the vacuum valve and a water level sensor for collecting water level information, wherein the outlet of the drainage pipe is connected into a vacuum pipeline, and the inletof the drainage pipe is connected with the outlet of the sewage pumping pipe through the vacuum valve; the inlet of the sewage pumping pipe extends into a sewage pumping level in the collection well;and a signal output end of the water level sensor is connected with a signal input end of the controller. Along with sewage collection in the well, the sump well drains automatically and intermittently to the vacuum drainage system, has a simple structure, and does not require a lift pump, so that the problems of being low in safety, easy in blockage, difficult in cleaning, high in power consumption and the like caused by assembling the lift pumps on multiple points can be avoided, and sewage collected by gravity flow can be lifted to the vacuum drainage system without extra additional power,and the sump well is convenient to check and maintain.

The invention provides an energy-saving environment-friendly intelligent flushing toilet and a control method thereof. The flushing toilet includes an infrared sensor, an excrement detection sensor, an excrement smashing system and a PLC. When a user comes in front of the toilet or sits on the toilet, the infrared sensor can detect the existence of the user, the PLC can carry out memory storage, and after the detected information indicating the existence of the user disappears, the PLC can fast scan information detected by the excrement detection sensor to determine the existence of excrementon the basis of whether there is excrement passing by a close position of the front side of the excrement detection sensor, and then the PLC accordingly makes decision on whether there is excrement, automatically selects flushing water amount for flushing and enables the excrement smashing system to fast smash the excrement at the same time. When there is a person passing by the toilet, a time delay function is achieved to avoid flushing by mistake. The flushing toilet is made of energy-saving environment-friendly materials and adopts soft elbow pipes for water sealing, can solve the problem that the distances from drain ports of restrooms to backwalls are not uniform, and can become one of energy-saving environment-friendly water-saving toilets of a new era.

The invention discloses a coating method of a nickel cobalt lithium manganate ternary positive electrode material, and belongs to the technical field of preparation of lithium ion battery electrode materials. The method comprises the following steps of: 1) adding the nickel cobalt lithium manganate ternary positive electrode material into a cavity of a fluidized bed for fluidization to obtain a fluidized nickel cobalt lithium manganate ternary positive electrode material; 2) atomizing a coating solution at an atomizing port of the fluidized bed to obtain an atomized coating solution; and 3) adding the atomized coating solution into the cavity of the fluidized bed, carrying out mist flow coating on the fluidized lithium nickel cobalt manganese oxide ternary positive electrode material, anddrying to obtain a coated lithium nickel cobalt manganese oxide ternary positive electrode material. The catalyst prepared by the method is high in activity, easy to separate after reaction, reusable,simple in preparation process and low in cost.

The invention discloses a self-diagnosis method for the blockage of a filter net of a draining pipe and a washing machine, relating to the technical field of blockage detection of filter nets. The self-diagnosis method comprises the steps of acquiring an average value of draining speeds and/or draining time of effluent in a set time period, storing, carrying out statistics on the variation trend of the average values of the draining speeds and/or the draining time in multiple continuous set time periods, and if the average values of the draining speeds gradually decrease in the multiple continuous set time periods and/or the average values of the draining time gradually increase in the multiple continuous set time periods, giving out a prompt that the filter net of the draining pipe is blocked. The invention further protects the washing machine. The self-diagnosis method is used for judging whether the filter net of the draining pipe is blocked through statistics on the variation trendof the average values of the draining speeds and/or the draining time in the multiple continuous set time periods, and the situation that a diagnosis result is incorrect due to single numerical valuefloatation does not easily occur.

The invention discloses a small full-automatic chemiluminescent analyzer and belongs to the technical field of chemiluminescence immune assay. The small full-automatic chemiluminescent analyzer disclosed by the invention comprises a sample reagent rack, a liquid transfer device, a magnetic bead adsorption and extraction device and a measuring and reading device which are mutually independently tiled from the front to rear. The small full-automatic chemiluminescent analyzer is favorable for installation and maintenance of instruments and is convenient to use and easy to popularize.

The invention discloses drilling equipment for flange machining, and relates to the technical field of machining equipment. The drilling equipment for flange machining comprises a base, a main controlbox and a gear box. The bottom of the main control box is fixedly connected with the right side of the top of the base. The left side of the bottom of the main control box is slidably connected witha lifting drilling platform. The gear box comprises an upper shell and a lower shell. The surfaces of the upper shell and the lower shell are fixedly connected with fixed connecting blocks, and the fixed connecting blocks are fixedly connected through bolts. According to the drilling equipment for flange machining, a plurality of driven gears are arranged in the gear box and are driven by a driving gear at the same time, so that a plurality of cutters are installed to perform drilling at the same time; and the gear box can be easily disassembled and installed by utilizing the matching of a prism sleeve and a prism and the matching of threaded sleeves and fixed sleeves, so that gear boxes with different specifications are quickly replaced according to the number of machining holes requiredby different flanges, and the drilling equipment has wide machining range, simple operation and high working efficiency.

The invention discloses a continuous casting and rolling and boronizing method and device of a conductive aluminium alloy rod. The continuous casting and rolling and boronizing method of the conductive aluminium alloy rod comprises the following steps that step 1, industry pure aluminum is heated and melted in a smelting furnace, when the temperature of aluminum melt reaches 730-750 DEG C, the aluminum melt is poured into a holding furnace from the smelting furnace through a flow discharging groove; step 2, alloying components of the aluminum melt in the holding furnace are subjected to purification treatment; step 3, the aluminum melt is discharged through the flow discharging groove and is subjected to continuous feeding of A1-B intermediate alloy wire rod at the end, near the holding furnace, of the flow discharging groove, and thus the aluminum melt makes sufficient contact with the A1-B intermediate alloy wire rod and is reacted with the A1-B intermediate alloy wire rod in the flow discharging groove and enters an online gas-freeing device with a slag discharging hole arranged on the bottom; step 4, the aluminum melt after still standing enters a ceramic filtering device through the flow discharging groove and is filtered, then the filtered aluminum melt enters a horizontal casting system through a casting flow groove and is poured into a continuous casting machine, and aluminium alloy wirebar is formed and the aluminum melt is subjected to continuous separation; and step 5, a aluminium alloy rod is obtained through continuous roll forming, the aluminium alloy rod is cooled by an online cooling device, and then the cooled aluminium alloy rod is winded into a coil rod.

The invention discloses a multifunctional dust removal device and a dust removal method thereof. The multifunctional dust removal device comprises a workbench, and the workbench is provided with a limiting and lifting device used for limiting the position of an electric drill and adjusting the height of the drilling position and a humidifying and dust removal device arranged on the limiting and lifting device. According to the dust removal device, the electric drill is installed on the limiting and lifting device, the working height of the electric drill is adjusted through the limiting and lifting device, the electric drill can conduct construction on any position of a wall by adjusting the position of the workbench, and then humidification and dust removal are conducted on a constructionarea through the humidification and dust removal device, so that dust is prevented from being generated to influence the health of operators; and in addition, water resources used in the humidifyingand dust removing process can be recycled through the humidification and dust removal device, the use amount of the water resources is reduced, waste of the water resources is avoided, and the problemthat dust on the ground of a construction site is bonded, and consequently cleaning is difficult is solved.

The invention discloses a reinforced fender for tractors. The reinforced fender comprises a fender body, wherein protective wings are arranged at two sides of the fender body; reinforcing ribs are arranged at upper surfaces of the fender body and the protective wings; and flow guiding grooves are arranged at lower surfaces of the fender body and the protective wings. In the using process, muddy water thrown to the inner side of the fender can be timely discharged to the ground along the flow guiding grooves and muddy water is prevented from being thrown to the body of a driver and cargos; and the problems that the muddy water is adhered to the inner side of the fender for a long term and is difficult to clean are avoided.

The invention discloses a seamless spliced moisture-proof floor and a preparation process thereof. Dense micro corrugated grooves are formed in the back surface of the seamless spliced moisture-proof floor. The periphery of the seamless spliced moisture-proof floor is coated with moisture-proof and weather-proof vegetable oil. The moisture-proof and weather-proof vegetable oil comprises stillingia oil, refined linseed oil, refined tung oil, tea seed soil and sophora oil. The weight ratio of the stillingia oil to the refined linseed oil to the refined tung oil to the tea seed soil to the sophora oil is 2:3:3:1:1. According to the seamless spliced moisture-proof floor, no gap is retained in the upper and lower portions of spliced seams of the spliced floor, back water/moisture, dust, garbage and the like can be effectively prevented from invading from gaps in the side edges of the side surfaces or the back surface, and meanwhile, the seamless spliced moisture-proof floor is good in moisture-proof and weather-proof performance and not prone to being deformed.

The invention discloses a cleaning device for a solar battery panel. A water storage tank is arranged on a supporting plate, a supporting assembly comprises a two-dimensional turntable and a telescopic supporting column fixedly arranged on the top of the two-dimensional turntable, and the two-dimensional turntable is arranged on the top of the supporting plate; the bottom surface of a fixed platform is fixedly connected to the top of the telescopic supporting column, a balance adjusting assembly can keep a movable platform in a horizontal state, one end of a connecting plate is hinged to the movable platform while the other end of the connecting plate is fixedly connected to two sides of the supporting plate assembly, rotating shafts are arranged at two ends of the supporting plate assembly, a cleaning tape winds the two rotating shafts, an angle adjusting assembly comprises a top motor of the movable platform, a winding roll arranged on an output shaft of the motor and a steel cable winding the winding roll in a crimped manner, and one end of the steel cable is fixedly connected to the winding roll while the other end of the steel cable is connected to the end, far away from the movable platform, of the connecting plate. The cleaning device can clean the solar battery panel conveniently and is not removed and mounted after cleaning the solar battery panel.

The invention relates to a steam heating structure for cooking equipment and the cooking equipment with the steam heating structure. The steam heating structure comprises an inner container, the top of the inner container is provided with a steam generation cavity with a water inlet and a steam outlet, a water storage groove, a heating device used for heating water in the water storage groove anda first flow guide face arranged on the top face of the steam generation cavity are arranged in the steam generation cavity, the first flow guide face and the steam outlet are oppositely arranged up and down, and condensate water on the first flow guide face can flow back into the water storage groove. The steam heating structure can avoid the problems of unpleasant odor and difficult cleaning caused by dripping of food residues, juice and the like, can improve the steam generation efficiency and the steam heat efficiency, can reduce the moisture content in steam, and can improve the taste ofcooked food. Meanwhile, condensate water on the first flow guide face can flow back into the water storage groove, so that the recycling of the condensed water is realized.

The invention relates to a double-end rear cotton removing system based on an itinerant cleaning technology. The double-end rear cotton removing system comprises a rack, an itinerant cleaning mechanism and a rear cotton collecting mechanism. The rear cotton collecting mechanism comprises a rear cotton collecting groove, a cotton brush, a cotton brush support, a sliding rail and a driving motor. The sliding rail bearing the moving cotton brush and the driving motor are arranged on the outer side of the rear cotton collecting groove, a wheel belt type structure built in the rear cotton collecting groove is replaced, and the situation that a power mechanism and the guide sliding rail are arranged in the rear cotton collecting groove and accordingly a large amount of cotton waste is difficult to clear and is stuck is avoided. The cotton waste cleaning efficiency is improved by forming rear cotton collecting discharge ports in two ends of the rear cotton collecting groove, and accumulation of the cotton waste in the rear cotton collecting groove is avoided. The cotton waste in the rear cotton collecting groove is cleared to a cotton water box by utilizing power provided by the itinerant cleaning mechanism without an additional power source, a structure is simplified, and energy is saved.

The invention discloses a stirring device easy to feed during operation. The stirring device comprises a mixing chamber, drive units, a revolution transmission part, a stirring claw and a feed component; the feed component comprises a general feed channel and one or more than one feed branch channels; the general feed channel penetrates the middle of the revolution transmission part to rotate synchronously with the revolution transmission part, a feed inlet communicated with the outer world is arranged in the upper end of the revolution transmission part while the lower end is communicated with the feed branch channel, and discharge holes arranged in the feed branch channel discharge materials to the mixing chamber; the feed branch channel and the stirring claw are located on the same side of the revolution transmission part, the arc of the feed branch channel extends radially along rotation of the revolution transmission part, and the position of the feed branch channel is not coincided with the mounting position of the stirring claw. By the arrangement, the problem that the materials accumulated in the feed branch channel are difficult to clean up due to long-term use of the device is solved, feed efficiency is improved, and the content of the corresponding materials in the product is further accurately controlled.

The invention discloses multifunctional office furniture. The office furniture comprises a worktable, a first drawer is fixedly installed at the portion, close to the middle, of the bottom of the worktable, and a push-pull tray is movably arranged on the inner side of the first drawer; threaded support rods are threadedly inserted into the four corner edges of the inner wall of the top of the first drawer, and the tops of the threaded support rods are inserted into threaded slot holes in the inner wall of the bottom of the worktable; an anti-detaching groove is formed in the portion, close tothe middle, of the inner wall of the top of the push-pull tray, and circular grooves are formed in the portions, on both sides of the anti-detaching groove, of the inner wall of the top of the push-pull tray respectively; support arms are fixedly installed at the two ends of the push-pull tray respectively, the tops of the two support arms are fixedly glued with sponge pad bags respectively, and hard pressing plates are arranged in the two sponge pad bags respectively. The multifunctional office furniture is provided with the push-pull tray and a tabletop storage rack, the practical effect anduse functions of the office furniture can be improved, and a better use prospect is brought.

The invention relates to the field of washing devices, and discloses a washing device detergent manual feeding control method. The method includes the steps: determining corresponding preset detergentamount according to the fouling degree of clothes and/or load weight; manually feeding detergents according to difference values of total detergent amount fed in a detergent box and displayed by a washing device display and the preset detergent amount. According to the method, corresponding preset detergent amount is determined according to the fouling degree of the clothes and/or the load weight, a detergent is manually fed according to the difference values of the total detergent amount fed in the detergent box and displayed by the washing device display and the preset detergent amount, user experience is improved when feeding accuracy can be ensured, the detergent fed by a user is completely used once and cannot be retained in the detergent box, and the method solves the problems thatthe detergent is wasted, and the detergent box cannot be easily cleaned as the detergent is retained and adhered on the inner wall of the detergent box.

The invention discloses an incremental data convergence updating method and system based on CarbonData, and the method comprises the following steps: 1, carrying out the recognition processing of incremental data, enabling the incremental data to land to a to-be-made directory, and enabling a record to be newly added in a metadata table; Step 2, triggering a trigger preset in the metadata table after newly adding the record, and newly adding a scheduling task on a data increment updating convergence module by the trigger; Step 3, the data increment updating convergence module obtains a scheduling task and determines the current task type according to a trigger type task priority principle; Step 4, performing task logic processing according to the current task type, and moving the incremental file to an ad directory; 5, executing the updated and converged sql statement to converge the increment file increment to a full scale; and 6, after convergence updating is completed, the corresponding record is recovered to be in an unoccupied state, and the field content information corresponding to the record is modified. According to the method and the device, the problem that a CarbonDatastreaming processing scheme does not support incremental updating is solved, and the workload of service transformation is reduced.

The invention relates to the mechanical field related to shield machine construction, in particular to aslag stone quick cleaning device for a slurry shield machine. Through a stone collecting box installed under a slurry discharging pipeline of a slurry circulating flow system of the shield machine, the stone collecting box is of a battery body structure, two ends of the stone collecting box are provided with an end cover and a manhole cover, the end cover is collected with pipe bending cylinder rod head, and a stone pushing plate through a collection rod, the stone pushing plate is driven to move through apipe bending cylinder, and slag stones are pushed out, the end, away from the ground and close to the ground, of the stone collecting box are correspondingly provided with ball valves, the end, close to the ground, of the ball valve is connected with a pneumatic diaphragm pump, before pushing stones, slurry is pumped out through the pneumatic diaphragm pump, and a plurality of the slurry in the slag stones pushed out by the stone pushing plate is avoided. According to the slag stone quick cleaning device, automatic material unloading of the stone collecting box is obtained, and problems ofslag stone cleaning difficulty, high labor intensity of workers and low cleaning efficiency in the need for manual cleaning the stone collecting box are avoided.

The invention relates to a building energy-saving reconstruction heat preservation outer wall building construction method, in particular to an inorganic fiber spraying heat preservation outer wall auxiliary spraying construction device. The device comprises a walking vehicle, an angle adjusting mechanism, a spraying walking mechanism, a distance adjusting mechanism, and a framework covering mechanism. By means of the inorganic fiber spraying heat preservation outer wall auxiliary spraying construction device, auxiliary construction can be carried out in cooperation with manpower in the inorganic fiber spraying process, so that the problems that later cleaning is inconvenient and the workload is increased due to the fact that inorganic fibers are bonded to an embedded framework are solved, the problem that spraying at the high position of a wall is inconvenient is solved, and the problems that spraying is uneven and materials are wasted due to the fact that the spraying distance is too long and spraying is too dispersed are solved.

The invention discloses a continuous constant-pressure synchronous grouting device for shield tunnel construction, and belongs to the technical field of shield tunnel construction. The continuous constant-pressure synchronous grouting device for shield tunnel construction comprises a moving plate, a conical grouting barrel is arranged on the front side of a U-shaped frame, and the lower end of the conical grouting barrel penetrates through the interior of the moving plate, extends to the exterior and communicates with a discharging hole; the lower end of a sleeve penetrates through the inner wall of a machine box, extends into the conical grouting barrel and is annularly provided with stirring rods at equal intervals; arc-shaped plates are arranged on the circumferential outer wall of the stirring rods in a front-and-back structure; an output shaft of a motor B penetrates through the interior of the sleeve to extend to the exterior and is coaxially connected with an auger, through close fit of the structures, after slurry is stirred by the device, extrusion conveying can be carried out at the same time, the situation that when a small amount of slurry is pushed through a pressurization air pipe, pushing cannot be achieved due to internal air circulation is avoided, and the working efficiency is improved; and meanwhile, slurry on the inner wall can be scraped out through the arc-shaped plates, and the situation that the slurry is solidified due to the fact that the slurry is difficult to clean is avoided.

The invention discloses a multi-component adhesive mixing device and a mixing method thereof. The multi-component adhesive mixing device comprises a weighing device and an adhesive stirring device which is arranged on the weighing device, wherein the weighing device comprises a weighing instrument, a height adjusting rod fixedly arranged on the weighing instrument, a display arranged at the top ofthe height adjusting rod and a rotary supporting rod movably arranged on the height adjusting rod; the glue stirring device comprises a shell, a hollow shaft motor arranged at the bottom of the shell, a stirring rod arranged on the hollow shaft motor and a stirring paddle fixedly arranged on the stirring rod. The beneficial effects of the invention are that the device can achieve the precise control of the use amount of an adhesive through the weighing device, enables the proportion of all components to be more reasonable, and irons out the defects that the use amount is uncontrollable and the waste is liable to be caused when the adhesive is manually blended; and the multi-component adhesive can be mixed through the arranged stirring device, so that the mixing uniformity and the workingefficiency of the adhesive are improved.

The invention discloses a pipe joint expanded connection expanded sleeve mould and relates to the technical field of mould manufacturing. The pipe joint expanded connection expanded sleeve mould comprises a plurality of punches which are provided with expanded pipe parts, a forming punch which is provided with a forming part, an upper clamp mould arranged in an upper clamp mould seat, and a lower clamp mould arranged in a lower clamp mould seat. When the upper clamp mould and the lower clamp mould are in a mould combining state, a forming cavity is arranged on a mould cavity between the upper clamp mould and the lower clamp mould. The shape of the forming cavity corresponds to the shape of the forming part of the forming punch. A pipe body to be expanded is arranged in the mould cavity in a penetrating mode, the plurality of punches of the forming cavity are punched in so that inner holes in the end portion of the pipe body are expanded in sequence, and then the forming punch is punched into the forming cavity so that the inner holes in the end portions of the pipe body are formed by expanding and pre-forming of hole openings by chamfering. Compared with the prior art, according to the pipe joint expanded connection expanded sleeve mould, the end portion of the pipe body can be subjected to bulging, the end portion of the pipe body, which is subjected to bulging and the pipe joint are connected in an expanded mode to form a pipe fitting connecting component, and the problems that an existing welded pipe fitting connecting component is low in qualified product rate, and production efficiency is low can be solved.

The invention provides filtering equipment for sewage treatment, which comprises a treatment tank for containing sewage and a filter plate mounted in the treatment tank, a water inlet pipeline is mounted at the top of the treatment tank, a valve is mounted on the water inlet pipeline, the treatment tank is supported and fixed on the ground through a bracket, and an overflow pipe is vertically connected to the top end of an upper chamber; the outlet end of the top of the overflow pipe is horizontally connected with a transition pipe, the outlet end of the transition pipe is connected with a downpipe which is vertically arranged downwards, the outlet end of the downpipe is connected to a horizontally-arranged cylinder body, the cylinder body is fixedly installed on the ground, and a piston is arranged in the cylinder body; a through hole for the lower end of the sliding rod to penetrate through is formed in each of the sliding strip plate and the bearing platform, and the height of the sliding plate for supporting the filter plate in the lower bin needs to enable the output side of the side, close to the slag discharging pipeline, of the filter plate to be connected with the inlet end of the slag discharging pipeline. The filter plate is convenient to clean and simple and convenient to use.

The invention relates to the technical field of fermentation treatment of agricultural waste, and discloses an efficient anaerobic fermentation device and method for livestock and poultry manure. Thedevice comprises a pretreatment system, an anaerobic fermentation system and a collection system, wherein the pretreatment system comprises a grit chamber, an acidification hydrolysis tank and an adjustment metering tank; and a stirring rod of an anaerobic fermentation tank is provided with a semipermeable membrane which wraps anaerobic fermentation bacteria therein. According to the invention, the acidification hydrolysis tank with a controllable pH value and the adjustment metering tank are arranged, so excrement is efficiently pretreated before entering the fermentation tank; the stirring rod in the anaerobic fermentation tank is connected with the semipermeable membrane which is easy to replace and is internally provided with the anaerobic fermentation bacteria; and meanwhile, the controllability and the automation characteristic of the device are improved due to the arrangement of a PLC, so the anaerobic fermentation efficiency of the excrement is effectively improved, and the controllability of instrument operation is high.

The invention relates to a dangerous falling rock protection combined stone falling wall structure and a construction method thereof. The structure comprises an existing shed tunnel supporting structure at one side of a high steep slope, wherein the existing shed tunnel supporting structure comprises existing pier bodies, an existing shed tunnel main beam, a secondary beam and a cover plate whichare longitudinally arranged, wherein the existing shed tunnel main beam, the secondary beam and the cover plate are arranged above the existing pier bodies; new pier bodies are arranged between the existing pier bodies in the longitudinal direction of a route, a horizontal girder is longitudinally arranged above the new pier bodies; a horizontal beam is arranged on a side near a mountain perpendicular to the direction of the horizontal girder, the horizontal girder and the horizontal beam are arranged above the existing shed tunnel cover plate; a vertical longitudinal stone falling panel is longitudinally arranged above the horizontal girder, a transverse rib plate of the stone falling wall is arranged above the horizontal beam, an anchor cable anchoring into the mountain is arranged in the transverse rib plate of the stone falling wall. By adopting an engineering structure comprising reinforced concrete components to deal with the problem of dangerous falling rock protection on the high steep slope, the problems that the construction cost of the multi-line shed tunnel is high, the protection height of the stone falling structure on the steep slope is low, the falling rock can be spanned, the falling rock is difficult to overhaul and clean are solved.

The invention discloses a closestool cushion plate which comprises a cushion plate body, a cavity is formed in the cushion plate body, the cavity is filled with magnetic fluid and water, a heat conduction plate is fixedly connected into the cushion plate body, a plurality of control grooves and connecting ports are formed in the bottom of the heat conduction plate, the control grooves and the connecting ports are arranged indirectly, pistons are connected to the inner side walls of the control grooves in a sliding and sealing mode, and control rods are fixedly connected to the bottoms of the pistons. The use process is as follows that the air pressure change at the top of the piston is controlled by the heat change after people sit on the cushion plate body, the movement of the piston is controlled and controls the movement of a mounting plate through an adjusting rod, so that the movement of the magnetic fluid is controlled, the energy transfer on the heat conduction plate is realizedthrough the magnetic fluid, the continuous intermittent cooling of the cushion plate body is further realized, and the problems of discomfort and inconvenience in cleaning when people go to the toilet are avoided.

The invention discloses an access control machine capable of identifying finger prints under a screen, which comprises an access control machine main body, wherein the access control machine main bodycomprises an access control machine front shell, an access control machine rear shell and an access control machine control circuit board; the access control machine front shell and the access control machine rear shell are fixedly connected to form a control cavity; the access control machine control circuit board and an ultrasonic fingerprint identification module are arranged in the control cavity; the access control machine control circuit board is fixedly connected with the inner side of the access control machine rear shell; the access control machine front shell is provided with a touch display screen; the touch display screen is in line connection with the control circuit board; and the ultrasonic fingerprint identification module is fixedly connected below the touch display screen. According to the invention, the ultrasonic fingerprint identification module transmits the ultrasonic pulse to a finger and creates a detailed fingerprint three-dimensional structure diagram according to the fingerprint information fed back by the ultrasonic pulse, so that the data of the grooves and ridges of the finger are read, the identification precision of the access control machine is improved, and convenience is brought to people.

The invention discloses a foundation pit construction method combining a reverse construction method and a steel support. The method comprises the following steps of setting an erecting position of the horizontal steel support to be erected; constructing a vertical building enclosure structure, wherein the building enclosure structure is arranged on the periphery of a foundation pit to be dug; constructing a horizontal structure top plate which is arranged on the top of the foundation pit to be dug and is connected with the building enclosure structure; downwards digging earthwork to the erecting position; erecting the horizontal steel support in the erecting position; connecting the horizontal steel support with the building enclosure structure; continuously and downwards digging the earthwork to the bottom of the foundation pit; constructing a main body structure outer wall; binding an external wall steel bar framework of the main body structure outer wall on the horizontal steel support; forming a main body structure outer wall through concrete casting on the external wall steel bar framework; cutting a part positioned outside the external wall surface of the main body structurefrom the horizontal steel support; and performing dismounting. The support change treatment is avoided; the problems of complicated treatment operation, many potential safety hazards of the dismounting work, cleaning difficulty and high cost due to support change treatment are solved; and the advantages of operation simplicity and high safety are realized.

The invention discloses a method of collecting rainwater on umbrellas. The method includes following steps: step A, putting a water collecting barrel on a fixed plate, and enabling the water collecting barrel to be positioned between supporting columns, wherein axis of the water collecting barrel is coincident with that of a through hole; step B, putting one end, away from a handle, of a long-rodumbrella into a groove; step C, inserting the tail end of a hook-shaped handle of the long-rod umbrella into a connecting hole to suspend the umbrella on a cross beam. In this way, the rainwater on multiple umbrellas is collected in the water collection barrel, so that subsequent cleaning trouble and indoor humidity increase caused by the rainwater on the umbrellas fall onto the ground are avoided, and the rainwater on multiple umbrellas can be collected at the same time.

The invention discloses a solar cell module border. The solar cell module border comprises a battery pack, an aluminum alloy border body and a pressing screw, the cross section shape of the integrallyformed aluminum alloy border comprises a fastening supporting plate, a first supporting plate, an upper clamping groove plate, a lower clamping groove plate, a second supporting plate and a bottom face plate, the pressing screw is arranged on the upper surface of the fastening supporting plate, the upper clamping groove plate is arranged below the fastening supporting plate, the lower end of thepressing screw penetrates through the fastening supporting plate to abut against the upper surface of the upper clamping groove plate, the battery pack is arranged below the upper clamping groove plate, and the lower clamping groove plate is arranged below the battery pack. By arranging the pressing screw and rubber strips on the opposite surfaces of the upper clamping groove plate and the lower clamping groove plate, the edge of the battery pack can be better clamped and sealed, silica gel does not need to be injected in the border, the cost is saved, and the problems that the appearance is influenced due to glue overflow and cleaning is difficult are solved.