40results about How to "Reduce sputtering" patented technology

The invention discloses a shearing device and a shearing method for glass fiber reinforced plastic material processing, and relates to the technical field of glass fiber reinforced plastic processing, the shearing device comprises a base, a glass fiber reinforced plastic material part and a linear motor, support plates are symmetrically fixed on the two sides of the top of the base, a transverse plate is fixedly connected to the tops of the support plates, and side plates are symmetrically fixed on the two sides of the top of the transverse plate; the top ends of the side plates are fixedly connected with a top plate, the pressing mechanisms are symmetrically arranged on the inner sides of the side plates, each pressing mechanism comprises a movable plate, and an extraction mechanism is arranged on the lower portion of the top plate; the screen plate is installed in the middle of the top of the transverse plate, the middle of the bottom of the transverse plate is fixedly connected with a material guiding groove, the middle of the top of the base is provided with a collecting groove, and the inner side of the side plate is rotationally connected with a lead screw. And small glass fiber dust is generated in the cutting process, and harm can be caused to human health.

The invention discloses an ecological restoration method for waste alum mine land. The ecological restoration method comprises the following steps: (1) soil improvement; (2) suitable plant species are selected, vetiver grass is planted in herbaceous species, neoleucaena leucocephala and broussonetia papyrifera are planted in arbor species, and lespedeza speciosa is planted in shrub species; (3) firstly adopting grass planting belts to fix the soil, selecting vetiver grass seedlings for planting, and planting one grass belt every 10 meters along the contour line to fix the soil; and planting arbors, shrubs and other herbaceous plants among the planting belts. The invention has the following advantages: 1, degraded soil can be repaired and improved, soil functions are recovered, and further degradation of land is prevented; 2, the living environment of other species is locally improved, and water and soil loss is prevented; and 3, the water storage function of the waste land is improved, and the underground root system and the overground stem leaves have mechanical reinforcement, anchoring and supporting effects and obvious water and soil conservation and ecological slope protection functions of intercepting rainfall, inhibiting surface runoff, weakening splash erosion and the like.

The utility model provides a cleaning, debridement and suture operating table for operating room nursing, and belongs to the technical field of operating tables. The cleaning, debridement and suture operating table for operating room nursing comprises a collecting table, hollowed-out grooves are formed in the two sides of the top end of the collecting table respectively, a limb sleeving mechanism is arranged between the two hollowed-out grooves, the limb sleeving mechanism comprises a transverse plate, sliding blocks, lantern rings, corrugated pipes, fixing rings and positioning holes, the sliding blocks are installed at the two ends of the transverse plate respectively, and the lantern rings are sleeved with the corrugated pipes. Positioning holes are formed in the top ends of the two sliding blocks, fastening assemblies are arranged at the top ends of the positioning holes, a lantern ring is arranged on one side of the transverse plate, one side of the lantern ring communicates with a corrugated pipe, one end of the corrugated pipe is connected with a fixing ring, and one end of the fixing ring is connected with one side of the inner wall of the collecting table. The fastening assembly comprises a bolt, a gasket and a knob, the bottom end of the bolt is in threaded connection with the interior of the positioning hole, and the top end of the bolt extends to the exterior of the hollow groove.

The utility model relates to an improved water recycling device for cotton dust collection. The improved water recycling device comprises a filter vat assembly and a rack fixed with an outer cover, the filter barrel assembly comprises a filter barrel and a rotary power shaft; the filtering barrel is cylindrical, two ends of the filtering barrel are opened, and a plurality of filtering holes are formed in the filtering barrel; the filter barrel is located in the outer cover and obliquely arranged forwards, the rotating power shaft has rotating power and is in driving connection with the filter barrel, the filter barrel assembly further comprises a cotton dust body leading-out piece attached to or close to the front end of the filter barrel, and the cotton dust body leading-out piece is arranged below the filter barrel and fixed relative to the rack; and the cotton dust body leading-out piece inclines forwards and has a part exceeding the front end plate of the outer cover of the rack. The utility model has the effects that the cotton dust body can be cleaned conveniently without dismounting the filter barrel, and the miniaturization is facilitated.

The utility model relates to the technical field of garden drill and discloses a portable garden drill for planting, which comprises a drill handle, a fixing plate is installed on the upper surface of the drill handle through a drill bolt, the upper surface of the fixing plate is provided with a gasoline engine, a protection plate, a clamping assembly, a protective cover and a drill sliding block, and the utility model has a reasonable structure, the clamping rod is opened on one side of the clamping seat by rotating the clamping bolt, the protective cover is sleeved on the drill bit and placed into the clamping seat, the clamping rod and the clamping seat are rotated to clamp and fix the protective cover by rotating the clamping bolt, the drill bit is quickly protected and prevented from being damaged, the use of the drill bit is not affected by the damage caused by the bumping of the drill bit during the transportation in inappropriate conditions, the worker is not damaged by the bumping of the drill bit during the transportation, the gasoline engine is installed on and removed from the drill handle by rotating the drill bolt, the clamping assembly is installed under and removed from the protection plate by rotating the mounting bolt, and the gasoline engine and the clamping assembly and other components are quickly removed for repair and replacement.

The invention discloses a portable crissum flusher and a using method thereof, and relates to the technical field of crissum nursing. The device comprises a box body, a pipeline assembly and a spray head assembly, a water inlet is formed in the top of the box body, and a pipe insertion hole is formed in the top of the box body; the pipeline assembly comprises a hose movably connected with the intubation hole and a connecting pipe arranged on the air bag. The nozzle assembly comprises a handle connected with the connecting pipe, a fixing plate arranged at the top end of the handle, an insertion rod rotationally matched with the top of the fixing plate, and a plurality of water spraying holes formed in the peripheral side and the top end of the insertion rod respectively; and a plurality of vertical plates matched with the water spraying holes in the peripheral side of the insertion rod are arranged at the top of the fixing plate. By arranging the vertical plates, the insertion rod can be rotated for adjustment, so that the multiple vertical plates shield the multiple water spraying holes in the peripheral side of the insertion rod, whether the multiple water spraying holes in the peripheral side of the insertion rod spray water or not can be adjusted according to needs, and a patient can conveniently flush the anus or insert the anus into the anus for cleaning according to needs.

The utility model relates to the technical field of landscape three-dimensional frames, in particular to an edible landscape three-dimensional frame which comprises a fixing frame, two sliding grooves are formed in the fixing frame, sliding blocks are connected in the two sliding grooves in a sliding mode, a placing plate is fixedly arranged between the two sliding blocks, and a water diversion hopper is fixedly arranged at the bottom end of the placing plate. A fixing seat is fixedly arranged in one sliding groove, an electric telescopic rod is fixedly arranged in the fixing seat, the top end of the telescopic end of the electric telescopic rod is fixedly connected with the bottom end of one sliding block, a first fixing ring is fixedly arranged on the side face of the fixing end of the electric telescopic rod, and a second fixing ring is fixedly arranged on the side face of the telescopic end of the electric telescopic rod. The device has the advantages that the waterproof performance of the electric telescopic rod can be improved conveniently, the probability that water enters the electric telescopic rod to damage elements in the electric telescopic rod is reduced, and therefore the height adjusting effect of the containing plate is improved.

The invention discloses a high-stability liquid pumping device for contact lens care solution production, and relates to the technical field of care solution pumping, the high-stability liquid pumping device comprises a plurality of transportation assemblies, each transportation assembly is provided with a liquid discharging assembly, one liquid discharging assembly is provided with a pumping assembly, and each transportation assembly comprises two symmetrically arranged supporting brackets. According to the high-stability liquid pumping device for contact lens care solution production, through the pressure relief assembly, a motor in the pressure relief assembly drives a hollow column to synchronously rotate, an open groove is used for continuously conveying care solution, the conveying efficiency is guaranteed, meanwhile, instantaneous impact force generated by an infusion pump is counteracted, efficient pressure relief is achieved, and the production efficiency is improved. The position of the adjusting plate is adjusted through magnetic repulsive force of the electromagnetic block and the permanent magnet block, the effective liquid containing space of the open groove can be flexibly changed, the liquid feeding speed requirements of containers with different capacities are met, filling sputtering of a small-capacity container is avoided, the filling efficiency of a large-capacity container is guaranteed, and the production loss of the care solution is remarkably reduced.

This invention discloses a polymer antistatic wood-plastic composite flooring, relating to the field of wood-plastic composite flooring, comprising joists and wood-plastic composite panels. At least two joists and wood-plastic composite panels are provided, with the two joists arranged parallel to each other and the two wood-plastic composite panels slidably fitted onto the tops of the two joists. A connecting structure is provided on adjacent sides of the two wood-plastic composite panels. In practical operation, when the wood-plastic composite panels are installed outdoors, rainwater will enter the interior of the moisture-proof ring through the heat dissipation holes during rainy weather and drain out from both ends of the moisture-proof ring, reducing the accumulation and erosion of rainwater on the top of the wood-plastic composite panels, thus improving service life. The addition of multiple sets of heat dissipation holes increases the friction on the top of the wood-plastic composite panels, preventing slippage during rainy weather. Because rainwater drains quickly, it dries rapidly after the rain stops due to wind and temperature variations.

This application provides a bottled hydrogen peroxide filling device, belonging to the field of hydrogen peroxide production technology. The bottled hydrogen peroxide filling device includes a base, a filling machine mounted on top of the base, and a filling head connected to the output end of the filling machine. A lifting mechanism for moving the filling head up and down is mounted above the base, and a sealing mechanism for blocking the bottle opening during filling is also mounted above the base. By controlling a motor, as the hydrogen peroxide level in the bottle rises, the filling head gradually rises, keeping it close to the liquid surface. Because hydrogen peroxide is corrosive, the filling head does not immerse itself in the liquid. Although this method greatly reduces hydrogen peroxide splashing, some splashing still occurs. When filling to near the bottle opening, hydrogen peroxide can still easily splash out. A baffle can effectively prevent hydrogen peroxide from splashing out of the bottle opening.

Provided is a technique capable of reducing metal contamination while performing direct-current sputtering using a gallium target. A direct-current sputtering device has: a substrate holding portion that holds a substrate; a target container that holds a gallium target containing gallium in a manner facing a main surface of the substrate in a first direction; a direct-current power source that applies direct-current electric power to the gallium target; and a conductor that is connected at one end to a negative side of the direct-current power source and at the other end to the gallium target inside the target container and is formed of a gallium corrosion-resistant metal. Further, the direct-current sputtering device has: a sputtering gas supply portion that has a gas supply port that supplies a sputtering gas between the target container and the substrate holding portion; and a magnet portion that is located on the side opposite the substrate holding portion with respect to the target container and has a ring-shaped high-density plasma region in which the density of plasmaized sputtering gas is higher than the surrounding on a surface on one side of the gallium target in the first direction.

The present invention relates to the field of robot technology, and discloses a fully automatic intelligent visual robot for processing sweet and sour pork, comprising an oil pan; a positioning device; a clamping mechanism for clamping some fried food raw materials; a power mechanism for driving the clamping mechanism to perform reciprocating cyclic motion; the power mechanism is installed on the positioning device, and the clamping mechanism is installed on the power mechanism. The fully automatic intelligent visual robot for processing sweet and sour pork can clamp the food and automatically place it inside the oil pan through the cooperation of the power mechanism and the clamping mechanism, and can clamp and release the food by using a special clamping structure, thereby realizing the automation of the overall frying clamping, without the need for manual placement by the operator, reducing the situation of oil splashing, directly avoiding the situation of scalding the user, and at the same time ensuring the consistency of each frying process, thereby improving the consistency of the food taste.

The utility model relates to the technical field of oily water recovery, disclose a kind of adjustable type blow-off anti-spray device of compressor, including inner tube, reflector and body, inner tube and body are tubular parts, inner tube is set in body one end and is inserted into body interior, reflector is slidably arranged on inner tube, body and inner tube connection end are provided with first discharge port, the inside of body remote from inner tube end is sequentially provided with labyrinth section and second discharge port from top to bottom.The body interior adopts labyrinth structure and the umbrella-shaped capture board with small hole, the top of inner tube is provided with the reflector of height-adjustable, the depth of inner tube adjustable insertion body, to change the intensity and speed of liquid injection according to the height of pressure.Through this structure, the mixed liquid into the device can go its own way, lighter gas flows out from the top, and the liquid after decompression flows out from the bottom of the device, thereby avoiding the pollution of surrounding environment caused by the splashing of liquid under pressure.

The utility model relates to a rubber roller surface processing device, and aims to solve the problems that waste chips generated in the polishing process of surface processing equipment are easily attached to the outer wall of a rubber roller, when the part, with the waste chips remaining on the outer wall of the rubber roller passes through a polishing sheet again, the surface of the rubber roller is easily damaged due to uneven stress, the surface of the rubber roller is uneven, and the service life of the rubber roller is prolonged. The device comprises a rack, a grinding mechanism is arranged at the top of the rack, a limiting mechanism is arranged in the rack, and a cleaning mechanism is arranged on the side of the limiting mechanism. A small motor effectively drives a forward and reverse screw rod to rotate, so that a set of limiting frames arranged on the surface of the forward and reverse screw rod in a sleeving mode are far away from or close to each other; the brush cluster can be conveniently matched and attached to rubber roller bodies with different diameters, the applicability is improved, when the rubber roller bodies rotate to be ground, the brush cluster effectively sweeps and cleans sweeps on the surfaces of the rubber roller bodies, and the situation that the sweeps are attached to the surfaces of the rubber roller bodies to affect the grinding quality is avoided.

The utility model discloses a full-automatic fraction collector for single-cantilever mobile liquid chromatography, which relates to the technical field of separation and purification of liquid chromatography, and comprises a first bracket, a first driving device, a second driving device, a liquid receiving device, an electric control valve and a controller, the controller controls the first driving device, the second driving device and the electric control valve; and at least one of a laboratory pore plate and a test tube rack is arranged in the liquid receiving device. The liquid receiving device is arranged below the first driving device and the second driving device; the first driving device is arranged on the first bracket and drives the second driving device to do horizontal linear motion; the electric control valve is arranged on the second driving device, and the second driving device drives the electric control valve to do horizontal linear motion; the second driving device and the electric control valve move vertically; the installation height of the electric control valve is adjustable, and the possibility of sputtering and losing can be effectively reduced.

The invention discloses a heat reflection module for an electric oven, which comprises an oven main body, an oil receiving box, a heating assembly, a limiting piece, an insert and a grill, the oven main body is provided with a baking cavity, the oil receiving box is detachably connected in the baking cavity, one end of the heating assembly is hinged to the oven main body, and the other end of the heating assembly is used for being lapped on the oven main body; the heating assembly is arranged above the oil receiving box; the limiting piece is arranged at the hinged position of the heating assembly, the limiting piece is clamped to the oven body and abuts against the hinged end of the heating assembly, and the limiting piece is used for limiting rotation of the heating assembly; the insert is clamped on the oven main body and is provided with a limiting separation blade; the gridiron is placed on the heating assembly, one end of the gridiron abuts against the limiting blocking piece, and the other end of the gridiron abuts against the limiting piece.

The utility model provides a water nozzle replacement head, and belongs to the technical field of water nozzles. The water nozzle replacement head solves the problems that an existing water nozzle is large in water flow and water column impact force and large in number of splashed water drops, and is characterized by comprising a water nozzle head body and a water curtain generation ring, a plurality of water outlet holes are formed in the bottom of the water nozzle head body, and a plurality of drainage holes are formed in the side wall of the water nozzle head body. A plurality of drainage pipes in butt joint with the drainage holes are arranged on the water curtain generating ring, a plurality of water curtain sector ring holes are arranged at the bottom of the water curtain generating ring, a plurality of guide grooves in the vertical direction are arranged on the water curtain generating ring, and a guide block is arranged on the side wall of the water nozzle body.

The utility model relates to the technical field of rubber roller machining, and discloses an adjustable rubber roller surface machining device which comprises a workbench body and a rubber roller body, two fixing frames are symmetrically and fixedly installed on the wall face of the top end of the workbench body, and a movable frame is arranged in the middle of the workbench body. Fixing cylinders used for fixing the rubber roller body are arranged on the opposite wall faces of the fixing frame and the moving frame correspondingly, a first driving motor is fixedly connected to the left side wall face of the left end fixing frame, the output end of the first driving motor penetrates through the left end fixing frame to be fixedly connected with the left side fixing cylinder, and a first screw rod is rotationally connected to the right side wall face of the moving frame. The left end of the rubber roller body is placed in the left side fixing cylinder, then a worker rotates the hand wheel, the hand wheel drives the first screw to rotate so as to drive the movable frame to move, the right end of the rubber roller body enters the right side fixing cylinder and is fixed, and the structure is suitable for rubber roller bodies of different sizes and has high applicability.

The invention provides a forestry seedling raising device and a seedling raising method thereof, and relates to the technical field of seedling raising. The forestry seedling raising device comprises a seedling raising base and a shell base, four water inlet grooves are formed in the upper end face of the seedling raising base at equal intervals in the circumferential direction, water outlet assemblies are fixedly arranged in the four water inlet grooves, and a plurality of seedling raising vessels are fixedly arranged at the positions, between every two water inlet grooves, of the upper end face of the seedling raising base. A connecting column is fixedly arranged at the midpoint of the upper end face of the seedling raising base, four outer sleeve shells are arranged at the position, close to the upper end, of the outer wall of the connecting column at equal intervals in a surrounding mode, and auxiliary mechanisms are embedded into the four outer sleeve shells. The device has the effects of assisting in straightening the seedlings and independently isolating the seedlings, toppling and skewing generated in the seedling cultivation process and mutual interference of direct contact between every two seedlings are reduced, and meanwhile the effects of directly supplying water to the roots and automatically cutting off the water supply according to the water storage amount can be achieved.

The application discloses a brine circulating filtering device for brine chicken processing, which belongs to the technical field of brine filtering and comprises a base frame, a transmission frame fixedly connected to the top end of the base frame and a rotating plate rotatably connected to the inner side of the transmission frame. The brine circulating filtering device comprises a rotating filtering assembly, a plurality of filtering frames vertically and equidistantly distributed inside the second brine barrel and a connecting frame fixedly connected to the filtering frames. The filtering frames are driven by the overturning mechanism to synchronously realize the double actions of "horizontal rotation + vertical movement" in the brine. The contact position of the filter screen and the brine is continuously changed during the rotation process, so that the impurities are prevented from being accumulated in the local position to form "filter cake". The initial position of the filtering frames is arranged at the bottom of the second brine barrel, the filtering frames are gradually lifted along with the injection of the brine, most of the structures are always immersed in the brine, the brine is horizontally and stably filtered through the filter screen and the impact and splashing phenomena during the traditional pouring filtering are avoided.

The utility model relates to the technical field of battery cell liquid injection, in particular to an electrolyte injection device for a lithium battery production line, which comprises a machine base, a mounting jig arranged on the machine base and used for mounting a battery cell, a liquid injection piece with two open ends and arranged on the machine base in a vertical sliding manner, and a liquid injection mechanism communicated with one end of the liquid injection piece, the liquid injection mechanism is used for conveying electrolyte into the liquid injection part; the collecting box is arranged on the machine base in a sliding mode, an opening is formed in the top of the collecting box, the collecting box is arranged between the liquid injection part and the mounting jig, and a collecting position exists on a sliding path of the collecting box; the pre-expanding mechanism is arranged on the machine base and used for pre-expanding a battery bag of a battery cell. Compared with the prior art, the device has the advantages that the leaked electrolyte is collected and utilized after the electrolyte is injected by the electrolyte injection mechanism, so that the waste of the electrolyte is reduced, the production cost of a battery cell is reduced, and the production safety of the battery cell is improved.

The utility model relates to the technical field of battery drying, in particular to lithium battery cell disintegrating slag recycling and drying equipment. The water filtering device comprises a shell, an inner water filtering barrel capable of bearing and heating materials is arranged on the shell, the inner water filtering barrel is arranged in an inclined mode and can rotate around the axis of the inner water filtering barrel, and a material inlet and a material outlet are formed by an inclined upper end opening and an inclined lower end opening of the inner water filtering barrel respectively. A shoveling plate which extends towards the inner cavity of the inner water filtering cylinder is arranged at the material inlet, a gap is formed between the shoveling plate and the wall of the inner cavity, and the gap between the shoveling plate and the wall of the inner cavity of the inner water filtering cylinder is gradually reduced in the material conveying direction. The slag drying device can efficiently and uniformly realize the slag drying operation.

The invention relates to the technical field of aluminum melting furnace slagging-off, and discloses aluminum melting furnace machining slagging-off equipment and a slagging-off method.The aluminum melting furnace machining slagging-off equipment comprises a vehicle body and a control room, the control room is fixed to the top of the vehicle body, an embedded groove is formed in the top end of the vehicle body, and a first air cylinder and a second air cylinder are fixed to the two sides of the interior of the embedded groove correspondingly; according to the aluminum melting furnace machining slagging-off equipment and the slagging-off method, a first air cylinder and a second air cylinder are controlled to eject out, then the first air cylinder is controlled to return, a load frame and a load barrel are driven to incline, a slagging-off plate and an extrusion plate are made to incline, a first electric telescopic rod is controlled to be linked with the slagging-off plate to enter the furnace to return, and slagging-off is conducted; a second electric telescopic rod is controlled to be linked with an extrusion plate to be clamped with a slagging-off plate, the first electric telescopic rod and the second electric telescopic rod are controlled to return, the slagging-off plate and the extrusion plate are linked to wrap aluminum ash to return, the slagging-off plate and the extrusion plate move to the position above a recycling container, the first electric telescopic rod is stopped, and the second electric telescopic rod is controlled to return; and putting the aluminum ash into a recovery container.

The invention particularly relates to urban rail transit engineering field section concrete pouring equipment which is connected with an external concrete storage device and comprises a positioning ring, a transfer cylinder and a pouring cylinder. The positioning ring is provided with a plurality of transmission rods serving as supporting legs, and walking pulleys are arranged at the bottom end. And a guide rail is arranged on the outer wall of the transfer cylinder. A feeding hole is formed in the top of the transfer cylinder and connected with an external conveying pipe. The pouring cylinder is arranged in the transfer cylinder, a discharging pipe is arranged at the bottom and penetrates through the sleeve, and the sleeve supports the discharging pipe and allows rotation. The sleeve is connected with the driving assembly to drive rotation, and the vibrating mechanism is arranged below the pouring barrel and connected with the driving assembly. The top end of the transmission rod is connected with a rotating shaft of the positioning ring to realize integral movement and positioning of the equipment, and the scraper removes concrete in a fit clearance to ensure normal operation of the equipment. The device has the advantages that the problem of concrete discharging blockage is solved through centrifugal force generated by rotation of the inner pouring barrel, and the device is flexibly positioned and adapts to the precise pouring requirements of special construction scenes and the like.

The utility model discloses a refrigerating system and refrigerating equipment, and relates to the technical field of refrigerating equipment, the refrigerating system comprises a compressor, a condenser, a capillary tube and an evaporator, the compressor, the condenser, the capillary tube and the evaporator are communicated in sequence; the refrigerating system further comprises a gas-liquid separator, the capillary tube comprises a first branch tube and a second branch tube, the first branch tube is communicated with an outlet of the condenser and an inlet of the gas-liquid separator, and the second branch tube is communicated with a liquid outlet of the gas-liquid separator and a first inlet of the evaporator. The evaporator is further provided with a second inlet, and a gas outlet of the gas-liquid separator is communicated with the second inlet. According to the refrigerating system and the refrigerating equipment, noise can be reduced.

The invention belongs to the technical field of semiconductors, and discloses a radio frequency acceleration section and an ion implanter, the radio frequency acceleration section comprises a plurality of bunching units arranged along the movement direction of an ion beam current and acceleration units arranged between adjacent bunching units, each bunching unit comprises a bunching lens, and the bunching lens of at least the last bunching unit comprises a cylindrical lens. The ion implanter comprises an ion source, a mass analyzer and the radio frequency acceleration section. According to the invention, the cylindrical bunching lens is adopted, the transverse divergence of the beam is restrained in 360 degrees in all directions, the possibility of generating exaggerated special-shaped beam spots is greatly reduced, and the possibility of changing spot beams into strip beams does not exist; unnecessary sputtering is reduced while the bunching capability is maintained, and the service life of the device is prolonged; the number of related power supplies is reduced, and the structure and connection are simpler; only one voltage (positive voltage or negative voltage) needs to be connected, and the voltage withstanding performance is improved in the same space range.

The utility model provides a hand brushing pool which comprises a pool body, a water tank is arranged in the pool body, a faucet and a sensing device are arranged above the water tank, the faucet is connected with a water outlet pipeline, a knee hole switch is arranged on the outer side of the pool body, a water outlet valve of the faucet is in signal connection with the sensing device, and the sensing device is connected with a power source through the knee hole switch. The knee hole switch is used for controlling power-on and power-off of the induction device; the sensing device outputs signals to control opening and closing of the water outlet valve, on-off and power-off of the sensing device are controlled through the knee hole switch, opening and closing of the faucet are controlled through the sensing device, when the sensing device is powered off, the sensing device cannot detect obstacles, at the moment, the faucet cannot be controlled to discharge water, and when the sensing device is powered on, the faucet cannot be controlled to discharge water. And when the sensing device does not detect the obstacle, the faucet cannot be controlled to discharge water, so that the effect of preventing mistaken touch is achieved.

The invention discloses an angle-adjustable medium-frequency induction heating furnace and a using method thereof, and belongs to the technical field of design of medium-frequency furnaces. The medium-frequency induction heating furnace comprises a furnace body movably supported on a furnace body support, and the furnace body is horizontally placed when not working. An inlet of the furnace body is of an upward inclined structure; the furnace body sequentially comprises a furnace lining structure, an induction coil and a furnace shell from inside to outside; the induction coil is connected with a medium-frequency power supply module, and the medium-frequency power supply module is connected with a digital control system. The using method comprises the steps that during working, the furnace body support is moved into a slag well, then the furnace body is rotated, the angle of the furnace body on the furnace body support is adjusted, an inlet of the furnace body is perpendicularly aligned with the slag liquid flowing direction, the position of the furnace body support is fixed, and the furnace body is locked. The furnace body bracket and the furnace body are reasonable in structural design, so that the angle adjustment operation of the furnace body is simple and convenient. And the reasonable design of the furnace body is also beneficial to reduction of heat radiation and noise pollution, and the environmental protection performance of the equipment is improved.

The invention, which relates to the technical field of solar energy, discloses an anti-ponding lap joint type solar photovoltaic module comprising a composite mechanism. According to the water accumulation prevention lap joint type solar photovoltaic module, the components are fixed through the composite mechanism design and the fixing mechanism, so that the effect of keeping the structure stable is achieved, shaking of the internal structure caused by external force influence is avoided, component abrasion is reduced, the service life of equipment is prolonged, the photovoltaic module is protected by the composite shell, external force damage is avoided, and the service life of the equipment is prolonged. The transparent cover plate is arranged on the light receiving side of the composite shell, so that rain wash or external impact is prevented, a light source is prevented from being shielded, and the conversion efficiency is prevented from being reduced; the sliding block is controlled to slide through the linear module, so that the friction plate rubs on the surface of the transparent cover plate, and on one hand, water flow is conveniently drained from one side of the drainage mechanism; and on the other hand, water flow rubs the friction plate, so that the cleaning effect on the surface of the component is achieved, impurities are prevented from precipitating on the surface of the structure, and shielding of a light source is reduced.

The invention relates to the technical field of concrete impermeability, and discloses a concrete impermeability tester for engineering detection, the concrete impermeability tester comprises a box body and a closing plate, the top of the box body is fixedly connected with a water tank, the top of the water tank is fixedly provided with a water pump, the top of the water tank is fixedly provided with a vacuum device, and the water outlet end of the water pump is fixedly communicated with a water pipe; a vacuum device is fixedly connected to the top of the box body, an air suction end of the vacuum device fixedly communicates with an air suction pipe, a fixing table is fixedly connected to the top of the box body, a fixing mechanism is arranged at the top of the box body, a scraping mechanism is arranged in the box body, an extrusion mechanism is arranged in the box body, and a motor is installed in the box body. The interior of the compression cylinder is in a vacuum state, so that the accuracy of a test result is ensured, and the situation that residues or dirt in the tester possibly influence the distribution of water pressure, and consequently the test result is inaccurate is reduced.