47results about How to "Seal in time" patented technology

The invention provides a coal sample while-drilling fixed point collecting device. The device comprises a combined bit and a drill pipe, wherein the drill pipe comprises a tubular casing, a collection cavity with an opening formed only in the front end, a pressure cavity, a primary pressure valve and a secondary pressure spring; the collection cavity is coaxially arranged in the casing through the secondary pressure spring and can perform axial reciprocating motion along the casing; an opening of the collection cavity is sealed through a ball valve; the primary pressure valve bears is opened through pressure and then is communicated with the pressure cavity; the front end of the pressure cavity is sealed through a piston; the piston drives the ball valve to rotate through a transmission mechanism, so as to open and close the opening of the collection cavity; the combined bit adopts a detachable bit; a drilling bit is gradually opened through the thrust of the collection cavity during the process that the collection cavity moves forward relative to the casing. The coal sample while-drilling fixed point collecting device has the advantages of scientific design, fixed point sampling while drilling, timely sealing, short exposure time and high facticity.

The invention relates to a stratified sampling device for water quality monitoring, and effectively solves the problems that the stratified sampling of a water body needs multiple operations, and a water sample is easy to mix. According to the technical scheme, the device comprises an outer shell and an inner shell, the inner shell is mounted in the outer shell and can slide up and down in the outer shell, and a first pressure spring is arranged between the bottoms of the inner shell and the outer shell; a first water inlet is formed on the left side wall of the outer shell, the interior of the inner shell is divided into a plurality of water storage chambers by a plurality of horizontal partition plates which are uniformly distributed up and down, and a second water inlet is formed at thetop of the left side wall of each water storage chamber; an elastic block capable of popping up inwards is installed on the right side wall of the outer shell, a vertical sliding groove is formed onthe right side wall of each water storage chamber, the depths of the multiple sliding grooves are decreased progressively from top to bottom according to an arithmetic progression, and the inner end of the elastic block can extend into the sliding grooves. According to the present invention, the sampling operation frequency is greatly reduced, the electromagnetic valve control is not needed, the timely sealing can be achieved after sampling, and the problem of the mixing of the water samples with different depths is solved.

The invention relates to a deep water body sampling device for water quality monitoring, and effectively solves the problems that stratified sampling of a water body needs multiple operations and a water sample is easy to mix. According to the technical scheme, the device comprises an outer housing and an inner housing which are sleeved. A pressure spring is mounted at the bottom of the inner housing; a through hole is formed in the upper side wall of the outer housing; the inner housing is internally divided into a plurality of water storage chambers which are circumferentially distributed; awater inlet hole is formed in the top of each water storage chamber; a plurality of vertical plungers in one-to-one correspondence with the water inlet holes are fixed at the top end of the inner wall of the outer housing; an annular groove is formed in each plunger; the annular grooves in the multiple plungers are different in height, and the heights of the multiple annular grooves are distributed in an arithmetic progression; elastic blocks capable of popping up leftwards are installed on the right side wall of the outer housing; a plurality of clamping grooves which are vertically and evenly distributed are formed in the outer wall of the right side of the inner housing; and the right ends of the elastic blocks can be popped into the clamping grooves. The sampling operation frequency is greatly reduced, electromagnetic valve control is not needed, timely sealing can be achieved after sampling, and the problem of mixing of water samples in different depths is solved.

The invention discloses a production device capable of raising utilization rate of a feed and a production method thereof. The production device comprises a fermentation platform, on which a fermentation tank is arranged. The opening of the fermentation tank is covered with a sealing cover plate, which is provided with a bar-shaped feeding hole. Two undersides of the sealing cover plate and the surface of the fermentation platform are slidingly connected. A storage splitting box is arranged above the opening of the fermentation tank. The bottom of the storage splitting box is connected with multiple discharge pipes, below which a fermented liquid jet ring is arranged. Jet pipes are uniformly distributed on the inner wall of the fermented liquid jet ring. A middle passing barrel is vertically connected to the opening above the bar-shaped feeding hole. A dispersing roller is horizontally arranged in the middle passing barrel. By the feed production device, the raw material and a bacteriasolution are mixed while feeding such that the bacteria solution can be fully dispersed in the raw material. The mixing uniformity of the bacteria solution and the raw material is increased. Meanwhile, the materials can be relatively sealed timely, inactivation of a strain in the bacteria solution is avoided, and the fermentation quality is guaranteed.

The invention discloses an inspection platform for computer circuit board production. The platform comprises a workbench, wherein an electric telescopic rod is arranged on an inner wall of the top ofthe workbench, one end of the electric telescopic rod is connected with a low-temperature box and a high-temperature box through fastening bolts, a refrigerator is arranged on an outer wall of the topof the low-temperature box, a heating resistance wire is arranged on the inner wall of the top of the high-temperature box, penetrating holes are formed on outer walls of the bottoms of the high-temperature box and the low-temperature box, sealing plugs are hinged to inner walls of the bottoms of the high-temperature box and the low-temperature box, a rotating motor is arranged on an outer wall of the bottom of the workbench, a rotating plate is arranged on an output shaft of the rotating motor, containing grooves are formed on two sides of the top of the rotating plate, and containing shellsare inserted into the containing grooves. When the platform is used, the rotating plate can be driven by the rotating motor to rotate, the two placing shells are respectively and repeatedly insertedinto the low-temperature box and the high-temperature box, the steps are repeated for multiple times, reliability of the circuit board under the condition of large temperature change is detected, andthe platform is convenient and easy to operate.

The invention provides a high-temperature and high-pressure supercritical carbon dioxide reaction kettle. The reaction kettle comprises a reaction kettle device, a stirring device, a supercritical carbon dioxide generation system, a temperature control system and an emptying system. The reaction kettle can be used for testing under the simultaneous action of high-temperature and high-pressure conditions for a long time, the reaction state of reaction materials and supercritical carbon dioxide under different temperatures and pressures is simulated, and a monitoring system can be used for monitoring, controlling and recording the conditions such as the temperature and the pressure when the supercritical carbon dioxide reacts with the reaction materials in real time. The reaction kettle is sealed in a vertical sealing mode, so the sealing effect is better, and the sealing performance of the reaction kettle under high-temperature and high-pressure conditions can be ensured; and the reaction kettle is high in automation degree, so the temperature and pressure conditions in the reaction process are monitored in time, and the reaction process can be conducted efficiently, thereby the reaction mechanism of supercritical carbon dioxide and reaction materials can be researched and analyzed more comprehensively.

The invention discloses a pipeline pressure relief device which comprises an explosion-proof membrane, a signal line, a feedback module, an air cylinder and a sealing cover; the explosion-proof membrane is sealed on an opening of a pipeline; one end of the signal line is arranged on the explosion-proof membrane, and is suitable for being broken when the explosion-proof membrane bursts; the feedback module is connected with the other end of the signal line; the air cylinder is connected with the feedback module; the feedback module is used for enabling the air cylinder to release pressure when the signal line is broken; the sealing cover is positioned above the opening; and the sealing cover is connected with the air cylinder, is pulled by the air cylinder to open the opening, and is moved to close the opening when the air cylinder releases pressure. According to the embodiment of the invention, the pipeline pressure relief device is good in pressure-relief performance, is simple and convenient to recover, is stable in operation, is low in fault rate and is high in safety reliability, can realize quick pressure relief and timely sealing after pressure relief, and quickly and stably guarantees that purified gas in the pipeline does not leaks outside, and outside gas enters.

The invention discloses an outdoor power distribution cabinet with high protection performance, which belongs to the technical field of power equipment and comprises a cabinet body, ventilation squareholes are symmetrically formed in the left side wall and the right side wall of the cabinet body, and first cavities are formed in the left side wall and the right side wall of the cabinet body and located on the upper sides of the ventilation square holes. A fireproof sealing plate is arranged in the first cavity, the size of the fireproof sealing plate is matched with that of the ventilation square hole, a sealing cover plate is fixed to the top end of the fireproof sealing plate, a hanging rope is connected to the top end of the sealing cover plate, the top end of the hanging rope is hungat the inner top end of the first cavity, and a hanging rope cutting-off structure is arranged at the inner top of the first cavity; and the ventilation square holes can be automatically blocked whenopen fire is generated in the power distribution cabinet, so that the interior of the cabinet body is sealed, the effect of isolating oxygen is achieved, the situation that the fire behavior is increased due to continuous circulation of air is avoided, timely self-control of the power distribution cabinet when open fire occurs is achieved, and the protection performance and the safety of the powerdistribution cabinet are effectively improved.

The invention relates to a deep water stratified sampling device, and aims to effectively solve the problems that water stratified sampling needs to be operated for many times, and water samples are easily mixed. The deep water stratified sampling device comprises an outer casing and an inner casing, wherein the inner casing can slide up and down in the outer casing; the inside of the inner casingis divided into several water storage chambers in circumferential distribution; a water inlet hole is formed in the top of each water storage chamber; a plurality of plungers in one-to-one correspondence to the water inlet holes are fixed on the top end of the outer casing; an annular groove is formed in each plunger; the annular grooves in the plurality of plungers are distributed in an arithmetic progression way; an elastic block capable of being inwards popped out is arranged on the right side wall of the outer casing; a plurality of vertical slide grooves in end-to-end connection are formed in the outer wall of the inner casing; the length of each slide groove is equal to the height tolerance of the annular groove; and the depths of the plurality of slide grooves are gradually reducedfrom top to bottom according to the arithmetic progression. The deep water stratified sampling device has the advantages that the sampling operation times are greatly reduced; the electromagnetic valve control is not needed; after the sampling, the sealing can be timely performed; the problem of mixing of water samples with different layer depths is solved.

The invention relates to a protection system for protecting computer application server components. The protection system effectively solves the problems that an existing device water cooling system lacks water leakage protection, lacks independent protection for the components and lacks dust removal capacity. According to the technical scheme, the protection system comprises a case body, the interior of the case body is divided into an equipment bin, a mainboard bin, a processor bin, a storage bin and other bins, the lower ends of the processor bin, the storage bin and the other bins are allcommunicated with the mainboard bin, a mainboard supporting plate is vertically and slidably connected in the mainboard bin, and the upper end of the mainboard supporting plate is connected with an electric telescopic rod fixedly connected to the inner side wall of the case body. Upper supporting plates with through holes formed in the middles are connected into the processor bin and the other bins in an up-down sliding mode, storage supporting plates are connected into the storage bin in an up-down sliding mode, and the storage supporting plates and the two upper supporting plates are connected with the adjacent electric telescopic rods. The protection system is simple in structure, realizes independent protection of each component in the server, has a water leakage prevention function and a dust removal and air cooling function of a water cooling system, and is high in practicability.

The invention discloses an ultrasonic cleaning device. The ultrasonic cleaning device comprises a machine body, a cleaning device body and a control device, wherein the ultrasonic cleaning device bodyis arranged on the side face of the cleaning device body, a motor and a rotating shaft are arranged above the cleaning device body, the rotating shaft is connected to the output end of the motor, a plurality of rolling brushes are connected to the side face of the rotating shaft, the side face of the rotating shaft is slidably connected to a plurality of spray heads, the spray heads are connectedto a water control device arranged above the machine body through a water pipe, the side face of the water control device is connected to a water tank through a water pipe, and a cleaning device comprises a cleaning table and a backflow cavity formed inside the cleaning table. According to the ultrasonic cleaning device, when in use, by arranging the cleaning device, parts needing to be cleaned can be conveniently pretreated in the using process, sludge and chippings of the parts are prevented from entering the interior of the ultrasonic cleaning device and damaging the ultrasonic cleaning device, and by arranging a control device, the whole cleaning process can be conveniently controlled to be conducted in order.

The invention discloses a disposable urine sample collection cup for quarantine. The disposable urine sample collection cup comprises a storage bottle; scale marks are fixed at the front end of the storage bottle; a drainage groove is fixed at the top end of the storage bottle; a clamping device is arranged on the upper side of the front end of the drainage groove; a fixed shell is fixed at the rear end of the drainage groove; the top end of the fixed shell is movably connected with a protective cover plate through a rotating shaft; the other end of the torsion spring is fixed with the bottomend of the protective cover plate; a sealing gasket is bonded to the rear end of the protective cover plate; fixing rods are fixed with the left end, the right end and the front end of the interior ofthe drainage groove; and folding films are fixed with the top ends of the three fixing rods. The disposable urine sample collection cup is provided with a protection structure and a collection device. When a woman collects urine, the risk of urine spilling can be reduced, trouble and inconvenience brought to people due to urine spilling are prevented, the collecting device can be integrally sealed in time when collection is completed, the situation that urine is spilled out of the collecting device carelessly when urine is taken after collection is completed is prevented, and meanwhile the odor prevention benefit is effectively achieved.

The invention discloses sealed filling equipment for food processing and a filling method of the sealed filling equipment, and relates to the technical field of food processing equipment.The filling equipment comprises a conveying assembly and a filling assembly, the filling assembly is installed above a conveying belt and comprises a material storage tank and a material discharging component, and the material storage tank is installed above the conveying belt; one end of the discharging component is connected with the storage tank, the discharging end of the discharging component is arranged over the tank body and used for conveying materials in the storage tank into the tank body in an equivalent mode, when the tank body moves to the position under the discharging component, the discharging component collects the materials in the storage tank in an equivalent mode and then conveys the materials into the tank body, and when the tank body moves to the position under the sealing film, the sealing component is used for sealing the sealing film. And the film pressing part pushes the sealing film to move downwards to seal the tank body, the filling and sealing integrated equipment is higher in automation degree, the filled tank body can be sealed in time, external bacteria and impurities are difficult to enter the tank body, and the food production quality is effectively improved.

The invention discloses a pipe connecting sealing multifunctional clamp which comprises a clamp body and an inner sleeve. The inner sleeve is cylindrical, annular first protruded ridges are arranged on the inner surfaces at two ends of the inner sleeve respectively, the outer side of every first protruded ridge is provided with a second protruded ridge, isolation channels are formed between the first protruded ridges and the second protruded ridges adjacent to the first protruded ridges, the clamp body is installed on the outer portion of the inner sleeve and is used for clamping the inner sleeve, glue injecting holes are arranged between the two first protruded ridges and on a side wall of the inner sleeve corresponding to the isolation channels, glue injecting channels are arranged on a side wall of the clamp body corresponding to every glue injecting hole, and every glue injecting channel is connected with a glue injecting valve. The pipe connecting sealing multifunctional clamp can timely seal pipes, avoids production halts and has the advantages of being safe, rapid, energy-saving and consumption-reducing and reducing pollution.

The invention discloses an air valve lift adjustment method. The air valve lift adjustment method includes the following operating steps that firstly, a limiting column is arranged, wherein the limiting column is arranged at the bottom of a lift channel; secondly, a spring is arranged, wherein the spring is located in the lift channel; thirdly, the spring is compressed, wherein when the spring isused and becomes fatigue, the limiting column is screwed; and fourthly, the spring is replaced, wherein the after excessive fatigue of the spring, the spring is replaced with a new spring. According to the air valve lift adjustment method, the limiting column can move up and down in the lift channel, and when the elasticity of the spring is weakened to a certain extent, the limiting column is screwed towards the lift channel by a certain distance to compensate for the weakened elasticity of the spring; and when the elasticity of the spring disappears seriously, the limiting column is disassembled, a new spring is arranged for replacement, an air valve can be reused, it is avoided that raw materials are replaced and wasted, and the using efficiency of the air valve is improved.

The invention relates to the field of aluminum-plastic composite pipe production, in particular to a preheating annular cutting device for an aluminum-plastic composite pipe. The preheating annular cutting device comprises a horizontally arranged supporting installation cylinder, wherein a plurality of rotating installation frames are arranged at the left end of the supporting installation cylinder at equal angles; the rotating installation frames are provided with swinging installation plates leftwards; one ends of the swinging installation plates are connected with the rotating installationframes through resetting rotating shafts, and the other ends of the swinging installation plates are provided with moving guide wheels through driving rotating shafts; and an annular installation plate is arranged at the right end of the supporting installation cylinder. A continuous active guide structure is matched with an elastic adaptive structure, so that the device adapts to cutting operations of aluminum-plastic composite pipes with different pipe diameters; the device has good and accurate annular cutting rotation through a guide rotation structure; the annular cutting is achieved under the matching of a telescopic structure and a rotation structure; and meanwhile an incision after the annular cutting can be sealed in time combined with a preheating structure of the reset rotation,so that the quality of the pipe is guaranteed.

The invention discloses a carton full-bottom printing device, and a printing method, and belongs to the field of carton processing production. The carton full-bottom printing device comprises a cartonbody, a base and a printing room, wherein the printing room is positioned in the carton body; the base is fixed on the lower end of the carton body; the base is provided with a conveying belt; the side wall of the carton body is independently provided with a feeding hole and a discharging hole; one side, which is near the feeding hole, in the carton body is rotatably connected with a grinding roller; the side wall of the carton body is provided with a driving motor; the output end of the driving motor is fixedly connected with the grinding roller; and a half-tooth rotary shaft is rotatably connected in the carton body. By use of the carton full-bottom printing device disclosed by the invention, due to the arrangement of a friction sheet, the grinding roller can be conveniently subjected to temperature rise, and a flattening effect is improved. Due to the arrangement of a first air cylinder, a first guide pipe, the friction sheet, a heat guiding rod, a heat emission sheet and a first spray head, the printed carton can be conveniently dried. Due to the arrangement of a second air cylinder, a refrigeration box, a second guide pipe and a second spray head, the dried carton can be conveniently cooled.

The invention relates to a layered sampling device for water quality monitoring, which effectively solves the problem that multiple operations are required for layered sampling of water bodies, and the water samples are easily mixed; the technical solution includes an outer shell and an inner shell, and the inner shell is installed in the outer shell and It can slide up and down in the outer shell. A first pressure spring is installed between the inner shell and the bottom of the outer shell. There is a first water inlet on the left side wall of the outer shell. The clapboard is divided into multiple water storage chambers, and a second water inlet is opened on the top of the left wall of each water storage chamber, and a spring block that can be ejected inward is installed on the right side wall of the outer shell, and each storage chamber There is a vertical chute on the right side wall of the water chamber, the depth of the multiple chute decreases from top to bottom according to the arithmetic sequence, and the inner end of the bullet can extend into the chute; the present invention greatly reduces the The number of sampling operations does not need to be controlled by a solenoid valve, and it can be sealed in time after sampling, which solves the problem of mixing water samples of different depths.

The invention relates to the technical field of power distribution cabinets, and discloses an outdoor power distribution cabinet. The outdoor power distribution cabinet comprises a cabinet body, a ventilation opening and a baffle; louvers are movably connected to the front and back side surfaces of the ventilation opening; a deflection shaft is fixedly mounted on one side, close to the back surface in the cabinet body, of each louver; sliding grooves are formed in the left and right side surfaces in the cabinet body; a sliding block is movably connected to the inside of each sliding groove; transmission teeth are arranged on the back surface of each sliding block; a through hole is formed in the side surface of the cabinet body and behind the ventilation opening; and a rotating shaft is movably connected to the inside of the through hole in a sleeving mode. According to the outdoor power distribution cabinet, rainwater is gathered inside a water accumulation box and is discharged through a drainage pipe, so that blades are driven to rotate; the louvers are driven to be closed through the meshing between the teeth; the larger the rainfall in unit time is, the higher the closing speed of the louvers is; and the ventilation opening can be sealed in time, so that the rainwater cannot enter the interior of the box body, and components inside the cabinet body are protected.

The invention discloses a magnetic sealing device for a reaction chamber. A first magnet and a second magnet which are matched are arranged between corresponding positions of a reaction chamber door hole and a reaction chamber door, the second magnet is connected with the reaction chamber door through a spring, the reaction chamber door hole can be sealed and opened through the heteropolarity attraction principle of the magnets and the tension of the spring, and after a mechanical hand retracts from the reaction chamber, the reaction chamber can be reliably sealed in time. The magnetic sealing device has the remarkable advantages of being simple in structure, easy to obtain and capable of being widely applied to sealing semiconductor washing equipment, an oxidizing furnace and other equipment.

The invention provides a wireless IC card smart gas meter, which includes a support frame, a fixing unit, an auxiliary unit, a gas transmission unit and a meter body unit; the invention solves the inconvenience that the current wireless IC card smart gas meter adopts a horizontal installation structure Reading observation, and the upper display screen of the gas meter is easy to accumulate a large amount of dust, which affects the reading observation of the gas meter, and the gas meter installed with a horizontal structure is not easy to adjust the position during installation and use, which affects the use of the gas meter after installation The effect, and the long-term use of the gas meter is easy to leak, resulting in potential safety hazards and other issues.

The invention discloses a gas cylinder carrying gas leakage prevention device which comprises a sealing unit, the sealing unit comprises a fixing block, a sealing cavity formed in the fixing block, a clamping assembly and a driving assembly, the top of a gas cylinder is embedded in the sealing cavity, the clamping assembly is arranged in the sealing cavity, one end of the driving assembly is arranged in the sealing cavity, and the other end of the driving assembly is arranged in the fixing block. The other end is arranged on the end surface of the fixed block; the alarm unit comprises an air pressure bin, an air pressure pushing plate and a warning plate, the air pressure bin is arranged on one side of the fixing block and communicates with the sealing cavity, the air pressure pushing plate is arranged in the air pressure bin, and the warning plate is arranged on the end face of the side face of the fixing block. The device can give an alarm in real time for the gas leakage condition of the gas cylinder in the transportation process, can seal the gas leakage part in time, and guarantees the safety of the gas cylinder in the transportation process.

The invention relates to a tank deck protecting device and an air pressure protecting system thereof. The tank deck protecting device comprises a cover body (1), a positive pressure protection mechanism, a negative pressure protection mechanism and a cleaning mechanism, wherein the positive pressure protection mechanism, the negative pressure protection mechanism and the cleaning mechanism are arranged on the cover body (1); and the cleaning mechanism comprises an in-tank cleaning component and a cleaning component for cleaning valve spools in the positive pressure protection mechanism and the negative pressure protection mechanism. The tank deck protection device provided by the invention can clean the valve spools in the positive pressure protection mechanism and the negative pressure protection mechanism, has convenient disassembly and assembly, and can ensure safety in use.

The invention discloses a waxing device for solid wood furniture production and relates to the technical field of furniture production equipment. The device comprises a lifting rack and a box body, the surface of the box body is fixedly connected with the top of the lifting rack, a pressurizing mechanism, a heater, a plugging device, a polishing roller and a roller brushing device are arranged in the interior of the box body, the pressurizing mechanism is arranged at the top of the inner wall of the box body, the heater is arranged at the bottom of the inner wall of the box body, the plugging device is arranged at the bottom of the inner wall of the box body and located at the position of the heater, the polishing roller is arranged in the interior of the box body and located on one side of the bottom, the roller brushing device is arranged in the interior of the box body and located at the bottom, and the roller brushing device and the plugging device are connected in a matched mode. According to the waxing device for the solid wood furniture production, the purpose of rapid waxing is achieved, the waxing device can adapt to mass production, the labor amount of workers is reduced, time and labor are saved, the working efficiency is high, beeswax is smeared rapidly and evenly and is not affected by concave-convex gaps, and the use performance is improved.

The invention provides a plant wound protecting agent. The plant wound protecting agent is used for wound protection after plant pruning or protection for damaged plant epidermis and is prepared fromthe following components in parts by mass: 75-86.5 parts of pure acrylic emulsion, 1-2 parts of a thickening agent, 10-20 parts of an emulsifier, 0.5-2 parts of a bactericide and 1.5-2.5 parts of color paste. The plant wound protecting agent is excellent in film-forming performance, adhesive force, waterproof performance and bactericidal effect, low in cost and simple in formula.

The invention relates to a vehicle-mounted ash pan which comprises a pan body and is characterized in that an annular slot is arranged on the upper end surface of the pan body, wherein a sealing ring is embedded in the annular slot; the sealing ring is higher than the upper end surface of the box body; the pan body is also provided with a cover body; and the cover body is in hinge joint with the pan body. The pan body is provided with the cover body, and the sealing ring is inlaid on the upper end surface of the pan body, thus when the cigarette end not extinguished falls into the pan, the cover body is put down to realize complete sealing between the cover body and the pan body, and the cigarette end is extinguished in time by isolating the air.

The safety early warning device comprises a vehicle-mounted base and a material tank, the material tank is fixedly installed at the upper end of the vehicle-mounted base, a bottom plate is fixedly installed at the tail of the material tank, and a first conveying opening is fixedly formed in one side of the lower end of the bottom plate; the first conveying opening and the second conveying opening are formed in the lower portion of the front face of the bottom plate of the material tank, the second conveying opening is connected with one side of the first conveying opening through the guide pipe, and the electromagnetic control valve is installed on the guide pipe, so that when pipeline breakage occurs during conveying of the first conveying opening, the electromagnetic control valve is installed on the guide pipe; a second conveying opening can be used for recycling, a pressure detector is installed on a first conveying opening and used for monitoring whether a conveying pipeline of the first conveying opening leaks or not, and then data information can be transmitted to a warning lamp, an electromagnetic control valve and a hydraulic cylinder in time; and then the first conveying opening is sealed in time.

The invention relates to the technical field of medicine mixing equipment, in particular to a full-automatic medicine mixing device. The full-automatic medicine mixing device comprises a box body, atleast two medicine extruding cylinders are arranged in the box body; the top of each medicine extruding cylinder is communicated with a medicine injection port through a medicine injection pipe; and the two medicine extruding cylinders are communicated with each other through a medicine pushing pipe, the bottom of the medicine pushing pipe is communicated with a medicine passing pipe, a medicine mixing box is installed at the bottom of the medicine passing pipe, a medicine outlet pipe communicating with the interior of the medicine mixing box is installed at the bottom of the medicine mixing box, and the bottom of the medicine outlet pipe is communicated with a medicine receiving pipe. When the full-automatic medicine mixing device is used for mixing medicines; the whole medicine mixing process is completed in the sealed box body, medicine mixing quality is improved; an electromagnetic valve is arranged and used for controlling the communication state in each pipeline, the work of medicine injection, medicine extrusion, medicine mixing and medicine discharging is completed by adjusting the sealing states of different pipelines, meanwhile, the whole device is driven by a motor, manual interference is reduced, automatic work is achieved, and the mixing efficiency and quality are improved.

The invention provides a wireless IC card intelligent gas meter. The wireless IC card intelligent gas meter comprises a supporting frame, a fixing unit, an auxiliary unit, a gas transmission unit and a meter body unit. The problems that an existing wireless IC card intelligent gas meter is inconvenient to read and observe due to adoption of a horizontal mounting structure, reading and observation of the gas meter are affected due to the fact that a large amount of dust is prone to being accumulated on a display screen at the upper end of the gas meter, the position of the gas meter mounted through the horizontal structure is inconvenient to adjust in the mounting and using process, the gas meter is inconvenient to use, the use effect after the gas meter is installed is affected, the gas meter is prone to leakage in the long-term use process, and further potential safety hazards are generated are solved.

The invention discloses a magnetic sealing device for a reaction chamber. First and second magnets are arranged between the door hole of the reaction chamber and the corresponding position of the reaction chamber door, and a spring is used to connect the second magnet with the reaction chamber door. The chamber door connection uses the principle of magnets with opposite polarities to attract each other and the tension of the spring to realize the sealing and opening of the reaction chamber door hole. After the manipulator exits the reaction chamber, the reaction chamber can be reliably cleaned in time. It has the remarkable characteristics of simple structure and easy realization, and can be widely used in the sealing of equipment such as semiconductor cleaning and oxidation furnaces.