450results about How to "Play a diversion role" patented technology

The invention relates to a punch formed metal bipolar plate of a proton exchange membrane fuel cell. The punch formed metal bipolar plate comprises a first metal plate and a second metal plate, wherein back sides of the two plates are welded by using laser; the front side of the first metal plate is provided with a sealed platform; the two plates are provided with intermittent corner guiding gutters between a flow field flow passage and each gas entrance; and the surrounding areas of cooling water entrances of the two plates are provided with strip-shaped grooves. The sealed platform can be made into a single battery with MEA through hot pressing, so sealing rings can be reduced, deformations are obviously improved, the sealing effect is good, and the assembly efficiency is greatly improved; the intermittent corner guiding gutters can distribute reaction gases for a plurality of times to ensure that the gases in an active region are distributed more uniformly and the phenomenon of 'flooding' is effectively eased up; the strip-shaped grooves not only can make the distribution of cooling water more uniform and guide the cooling water, but also strengthens the rigidity of the metal plates together with the sealed platform and can effectively slow down the deformation of each plate. The bipolar plate can be formed by two second metal plates, and is particularly suitable for assembling and testing and 'short stacks' and reducing the die sinking cost.

The invention relates to a device and a method for removing ultrafine particles in flue gas of a coal boiler. The device is characterized by being sequentially provided with a flue gas steam ejector, a steam phase transformation gathering chamber, a turbulence gathering chamber and a demister behind a desulfuration device along the flow direction of flue gas during a technological process, wherein the outlet of the demister is connected with an electrostatic dust collector; one end, which is connected with the desulfuration device, of the flue gas steam ejector is provided with a flue gas inlet, and the upper part of the flue gas steam ejector is provided with a steam inlet; the turbulence gathering chamber is internally provided with turbulent flow cylinders and turbulent flow vortex sheets; the turbulent flow cylinders are distributed in the front part of the turbulence chamber, and a plurality of turbulent flow vortex sheets are distributed at equal intervals behind the turbulent flow cylinders in a staggered manner; one end of the turbulence chamber is connected with the outlet of the steam phase transformation gathering chamber, and the other end of the turbulence chamber is connected with the inlet of the demister.

The invention provides a rotary drum-type multi-tube dryer which can dry water-containing brown coal or other water-containing materials. The drying of the materials in the dryer is safe, reliable and efficient. The dryer mainly comprises a feed inlet, a coal-particle distributor, a high-efficiency heat-transfer internal part of a tube bundle, a dryer with build-in spiral guide vanes, a tube-type steam distributor, a rotary drum-type outer cylinder, a sealing of the rotary drum-type outer cylinder, a driver of the rotary drum-type outer cylinder, a stepless speed regulator, an inclination adjustor of the rotary drum-type outer cylinder, an electric motor, an explosion-proof gas control system, a steam addition system, a condensing-liquid reclamation device, a gaseous dust reclamation device and a support piece. Brown coal (or other water-containing materials) with the water content of 15 wt percent to 50 wt percent and the coal particle size smaller than 6.3 mm can be dried into moulded coal with the water content equal to or smaller than 8 wt percent or powder coal with the water content equal to or smaller than 3 wt percent by the dryer.

The invention discloses an antenna module and electronic equipment. The antenna module comprises an insulating shell, a metal frame, a feed point, multiple electric connecting pieces, multiple adjustable assemblies and a first connecting section, wherein each electric connecting piece is grounded through the corresponding adjustable assembly; the feed point reaches a first connecting point through a second connecting point, and the feed point and at least two electric connecting pieces which are electrically connected to the first connecting point reach a second end through the first connecting point, so that an IFA antenna is formed; the feed point reaches the at least two electric connecting pieces which are electrically connected to a third connecting point through the second connecting point and a gap between the first end and a second frame body, so that an annular antenna is formed; and the feed point and the first connecting section form a monopole antenna. By adoption of the technical scheme of the antenna module and the electronic equipment, it is ensured that wide frequency band communication can be realized through relatively small antenna structure, so that the requirement on the smaller and smaller dimensions of the antenna can be more satisfied.

The invention discloses an emergency ejection device of an underwater glider, comprising an emergency ejection unit and an explosive bolt, wherein the emergency ejection unit comprises an enclosed shell, an emergency ejection electric control unit and an auxiliary counter weight are arranged in the shell, the ignition end of the explosive bolt penetrates the enclosed shell, the emergency ejection electric control unit comprises a water pressure sensor, an output signal of the water pressure sensor is connected with the input end of a voltage comparator to compare with the reference voltage of the submerged depth of the underwater glider, the output end of the voltage comparator is connected with a switching circuit, the input end of the switching circuit is connected with the input end of a relay, and the output end of the relay is connected with the ignition circuit of the explosive bolt. According to the invention, the underwater glider can be floated by emergency ejection when there is a failure or other emergency circumstances during a voyage, and the safe recovery of the underwater glider body can be effectively guaranteed; by arranging the auxiliary counter weight in the enclosed shell, the configuration or adjustment of the underwater glider becomes convenient.

The invention discloses a parallel restoration method for heavy metal pollution in farmland, which belongs to the technical field of heavy metal pollution restoration. It can be implemented by embedding repair rods in the soil, and uniformly discharging and collecting materials through the soil filter screen, so as to directly The way of water injection penetrates into the soil autonomously, and is doped with heavy metal scavenger and repair microspheres. The heavy metal scavenger uses the infiltration of water to capture the heavy metal ions in the soil and forms insoluble substances, while the repair microspheres infiltrate simultaneously In the process of peeling off the surface, the nutrients are continuously released into the soil to improve the soil properties. At the same time, the insoluble heavy metals are adsorbed and captured, and the magnetic effect of the repair microspheres is used to assist diffusion in the soil and intersect to form a tight repair. Finally, the residual repair microspheres and heavy metals are recovered through a magnetic field, which not only significantly reduces the cost of repair, but also greatly improves the efficiency and effect of repairing heavy metal pollution in farmland.

The invention discloses an oil fume absorbing and noise reducing device of a range hood. The device comprises a volute fixedly connected with a box body of the range hood, wherein a wind turbine and a motor driving the wind turbine to rotate are arranged in the volute, a sound absorbing member connected with the box body is arranged inside the wind turbine, the sound absorbing member comprises a sound absorbing shell which is provided with a shell cavity, a plurality of sound absorbing through holes communicated with the shell cavity are formed in the wall of the sound absorbing shell, and the shell cavity is filled with a sound absorbing material. The device is simple in structure and good in noise reducing effect.

The embodiment of the invention discloses a method for achieving seamless service switching between a cellular network and a wireless local area network. According to the technical scheme of the embodiment, when a user terminal enters an overlapped area of the cellular network and the wireless local area network from the cellular network, a transmission tunnel is established between network equipment of the cellular network and the user terminal to serve as a data tunnel channel, therefore, under the conditions that user service connection is switched to the wireless local area network from the cellular network and the IP address of the user service connection is changed, the continuity of activated services in the cellular network is guaranteed, service connection does not need to be reestablished after the user terminal is switched to the wireless local area network, thus the interrupt of the activated services in the cellular network is avoided, service experience of a user is improved, and the fact that the shunting effect on cellular network services by the wireless local area network can be performed better is facilitated.

The invention relates to an exhaust pipe for an automobile. The exhaust pipe for the automobile is characterized by comprising an exhaust pipe body provided with an exhaust channel; the exhaust pipe body comprises an exhaust main pipe, wherein one end of the exhaust main pipe is used for being communicated with an automobile exhaust port, and the other end of the exhaust main pipe is provided with two or more exhaust branch pipes in a divided mode; one end of each exhaust branch pipe is communicated with the exhaust main pipe, and the other end of each exhaust branch pipe extends in the direction away from the exhaust main pipe; the three exhaust branch pipes are located on the same plane as the exhaust main pipe, and the exhaust branch pipe in the middle is coaxial with the exhaust main pipe; the joints, in the direction of air flow in the exhaust channel, between every two adjacent exhaust branch pipes are provided with dividing baffle sheets respectively in a protruding mode. The exhaust pipe for the automobile has the advantages that the tail gas exhaust noise of an automobile exhaust system can be lowered, the structure is simple, manufacturing and processing are easy, and a muffler does not need to be mounted compared with the prior art.

The invention discloses a garbage compression device. The garbage compression device comprises a compression box, supporting columns are connected to the upper end of the compression box, a supportingplate is connected to the upper ends of the supporting columns, a hydraulic cylinder A is connected to the middle of the lower end of the supporting plate, a pressing plate is connected to the lowerend of a piston rod of the hydraulic cylinder A, and feeding opening are symmetrically formed in the upper parts of the left and right side walls of the compression box; a hydraulic cylinder B is installed on the left side wall of the compression box, a baffle is connected to the lower end of a piston rod of the hydraulic cylinder B, a supporting frame is connected to the right side wall of the compression box; a hydraulic cylinder C is connected to the left side of the supporting frame, a push plate is connected to the left end of a piston rod of the hydraulic cylinder C, a compression flat plate is arranged at the lower part of the compression box, and a discharge plate is connected to the left end of the compression flat plate; and a discharge opening is formed in the left side of the compression box, a deodorant injection opening is formed in the right side wall of the compression box, a drive motor is arranged on the right side wall of the compression box, a stirring shaft is connected to the output end of the drive motor, and a sewage discharge opening is formed in the middle of the lower end of the compression box. The garbage compression device has the advantages of good compression effects, high compression efficiency, long service life and high garbage recycling efficiency.

The invention discloses a vehicle speed and path planning system and a method thereof. A master server of the system gathers all traffic lamp information in a city and position information of a user terminal. After a user inputs a target position on the user terminal, the user terminal acquires the traffic lamp information from a current position to a target point from a server in real time. Thenthe user terminal analyzes a current signal for determining a vehicle speed and a driving path for preventing waiting in front of a red lamp in a vehicle driving process. The vehicle speed and path planning system and the method thereof have advantages of optimizing the driving path, greatly reducing waiting time of the user in front of the signal lamp, and furthermore greatly reducing unnecessaryenergy wastage. Through reasonable path planning, vehicles are shunted, and a certain shunting function can be performed on the road with overhigh traffic volume. The system and the method have advantages of greatly saving social resource and improving passing efficiency of urban traffic.

The invention discloses a 3D printing system and technology of a coaxial sprayer and an enhanced type hollow gel pipe of the coaxial sprayer. The 3D printing system comprises a 3D printing platform, two sets of feed devices, the coaxial sprayer, spraying devices and a control system. Furthermore, the coaxial sprayer is composed of an inner pipe, an outer pipe, two feed ports, a sealing gasket and a welding piece. By means of the coaxial sprayer, the coaxiality between the inner pipe and the outer pipe at the front end of the sprayer is better guaranteed through the welding piece, and closing between the inner pipe and the outer pipe is guaranteed through the sealing gasket. According to the printing technology of the enhanced type hollow gel pipe, ferric chloride spraying further reacts with the hollow gel pipe, and the mechanical strength of the hollow gel pipe is improved. The coaxial sprayer and the spraying devices are arranged on the XY printing platform, the control system controls running of the printing platform, the feeding device and the spraying devices, and in combination with the printing technology of the enhanced type hollow gel pipe, printing of the enhanced type hollow gel pipe is jointly combined.

A water oxygenation device comprises an oxygen source, a mixed gas cylinder, a water-gas mixing diversion pipe, a spherical biological carrier fluidized filler and a water pump, wherein the water pump is connected and communicated with the top part of the mixed gas cylinder by a water guide pipe, one end of the water-gas mixing diversion pipe is connected and communicated with the bottom part of the mixed gas cylinder, and the other end is stretched into water. The water oxygenation device is characterized by comprising a supporting frame net, wherein the supporting frame net is disposed inside the lower part of the mixed gas cylinder, and a gas outlet end of the oxygen source is located in space between the supporting frame net and a baseplate of the mixed gas cylinder; and the spherical biological carrier fluidized filler is disposed in the mixed gad cylinder on the upper part of the supporting frame net, and the spherical biological carrier fluidized filler is supported by the supporting frame net. By adopting the structure, the water pump injects the water into the mixed gas cylinder by pressurization, oxygen enters the mixed gas cylinder at the same time, the water is shunted by the spherical biological carrier fluidized filler, and thus the water and the oxygen can be mixed easily. In this way, the water oxygenation device provided by the invention is characterized by increasing a water-oxygen mixing rate and obtaining a high oxygen concentration in water.

The invention relates to a control method and device for Hill Descent Control (HDC) of an electric vehicle and the electric vehicle. The control method comprises determining whether the electric vehicle goes into an HDC state, determining whether a high-voltage battery of the electric vehicle can be charged, and supplying electric energy generated by a generator to electronic devices in the electric vehicle and / or controlling a bleeder resistor in a motor controller to go into a heating state when the high-voltage battery can not be charged. By supplying the electric energy generated by the generator to the electronic devices in the electric vehicle and / or controlling the bleeder resistor in the motor controller to go into the heating state when the high-voltage battery can not be charged after determining that the electric vehicle goes into the HDC state, the control method and device for HDC of the electric vehicle has the advantages of maximizing the energy recovery of the electric vehicle on a ramp, reducing the burden on a braking system, eliminating hidden accidents caused by overheating of a brake and solving the problem of waste because the electric energy generated by the generator in the electric vehicle can not be effectively used when the high-voltage battery can not be charged.

The invention discloses an optimal path analyzing method based on road corner weight. The optimal path analyzing method comprises the following steps: step 1, a road network data model is built based on road layer data; step 2, a road corner weight auxiliary network is built based on the road network data model and auxiliary edges in the road corner weight auxiliary network are endowed with weight; step 3, a network dataset is generated based on the road corner weight auxiliary network and an objective function is set by considering path crossing steering total weight and path total length, the optimal path is obtained by adopting a shortest path analytic approach to analyze the network dataset; step 4, combined with the corner direction, the optimal path obtained in the step 3 is subjected to backstepping into the road network data model to obtain the authentic optimal path. Through the adoption of optimal path analyzing method based on road corner weight, operation lines can be effectively designed for the planning of urban public transportation lines and travelling, the cost and price brought by travelling through public transportation can be reduced greatly and the application propspect is wide.

The invention discloses a natural gas spherical tank replacement device and replacement method. The natural gas spherical tank replacement device comprises a natural gas spherical tank, a gas inlet pipe, a gas outlet pipe and a diffusion pipe. Each of the gas inlet pipe, the gas outlet pipe and the diffusion pipe is connected with the natural gas spherical tank, and is provided with an on-off control valve, and a blow-down valve, a bottom inlet and a bottom sealing cover plate for opening or closing the bottom inlet are arranged at the bottom of the natural gas spherical tank. A top inlet and a top sealing cover plate for opening or closing the top inlet are arranged on the top of the natural gas spherical tank. The natural gas spherical tank replacement device further comprises a water mist spraying component which can stretch into the natural gas spherical tank from the top opening and spray water mist to the interior of the natural gas spherical tank. The replacement method comprises the steps that the pressure in the natural gas spherical tank is reduced to ambient pressure, the natural gas spherical tank is opened, the water mist is sprayed to the interior of the natural gas spherical tank so as to wash the natural gas spherical tank, air convection is formed, and replacement is completed. The replacement device and replacement method have the advantages of being safe and reliable in replacement, easy to operate, easy to control, economical, practical, high in efficiency and the like.

The invention provides a method of forming a fiber-aluminum alloy composite part. The method comprises the following steps: 1, cutting an aluminum alloy plate and a fiber cloth according to a shape ofthe part; 2, subjecting the aluminum alloy plate to solid solution treatment, and immediately subjecting the aluminum alloy plate from the solid solution treatment to pre-pressing treatment, allowingfor uniform distribution of gridded grooves on a surface, glued to the fiber cloth, of the aluminum alloy plate, and then subjecting the pre-pressed aluminum alloy plate to quenching treatment; 3, subjecting the quenched aluminum alloy plate to degreasing treatment, and subjecting the fiber cloth to pre-impregnation treatment in an epoxy resin glue solution; 4, forming a sandwich plate in the order of aluminum alloy plate, fiber prepreg and aluminum alloy plate, and pre-pressing the sandwich plate; and 5, putting the obtained sandwich plate into a stamping die, closing the die and holding thetemperature, and then carrying out solidification to obtain the fiber-aluminum alloy composite part. The method overcomes the shortcoming of low elongation rate during the formation of a fiber material and improves the strength of the composite material part.

The invention discloses a self-regenerative continuous melt crystallization system and method. The system comprises a crystallization section, a crystal growth section, a refining section, a product recovery section and a heat reuse system, wherein the crystallization section adopts a finned cooling fin structure to provide a cooling interface; a scraper is adopted to separate crystals generated on a cooling surface, so that the supercooled crystals enter a crystal growth section to grow, materials are conveyed to a refining section, crystal particles and high-melting-point product reflux flowreversely in the refining section to perform heat and mass transfer, and finally, high-purity and high-melting-point products are recovered through a product recovery section. The heat recycling system is connected with the finned cooling fins and the product recycling section heat exchanger, and heat recycling is achieved. The self-regenerative continuous melt crystallization system and method disclosed by the invention have the advantages of high production efficiency, high product purity, stable system operation, low energy consumption and the like, so that the defects of complex structure, low production efficiency and low energy utilization rate of the existing melt crystallization system are overcome.

The invention provides a disposable laryngoscope blade with an intubation-oriented slot. The disposable laryngoscope blade with the intubation-oriented slot comprises a laryngoscope blade main body and a spatula, wherein the laryngoscope blade main body and the spatula are arc-shaped, and the concave surfaces of both the laryngoscope blade main body and the spatula are upward; the spatula is arranged on the upper part of the laryngoscope blade main body; the disposable laryngoscope blade further comprises a bottom plate; a baffle plate is arranged on one side, opposite to the laryngoscope blade main body, of the bottom plate; the side surface of the laryngoscope blade main body, the spatula, the bottom plate and the baffle plate form the intubation-oriented slot; the width and the height of the intubation-oriented slot gradually decrease from an inlet to an outlet of the intubation-oriented slot; the baffle plate is provided with a guiding device at the outlet end of the intubation-oriented slot; the laryngoscope blade main body, the spatula, the baffle plate and the bottom plate are integrally formed. The disposable laryngoscope blade with the intubation-oriented slot is simple in structure and convenient to operate, and can rapidly and accurately intubate a patient, so that the accuracy and the efficiency of intubation are greatly improved and injury to the patient is relieved to the maximum extent.

The invention provides an electric stewing pot. The electric stewing pot comprises a pot cover, an outer pot body and an inner container; the outer pot body is provided with a heating inner cavity with an opening in the upper side, and a heating assembly is arranged at the bottom of the heating inner cavity; the inner container is arrange in the heating inner cavity; the upper side opening of the outer pot body is covered with the pot cover, an inward valve structure is arranged on the pot cover, and the inward valve structure comprises an exhaust hole, a gas exchange channel, an air inlet and a pressurizing ball; and the exhaust hole is formed in the pot cover and is used for communicating with the outside, the gas exchange channel is formed in the pot cover and extends along the lower side of the pot cover, the gas exchange channel communicates with the exhaust hole, the air inlet is formed in the lower end of the gas exchange channel and communicates with the heating inner cavity, and the pressurizing ball is movably arranged in the gas exchange channel and is used for sealing or opening the air inlet according to the pressure in the heating inner cavity. According to the electric stewing pot, the heat insulation performance and the sealing performance of the pot cover are good, so that food materials in the inner container are heated evenly, and the original taste and flavor can be maintained.

The invention discloses a rapeseed oil squeezing device capable of collecting rapeseed oil conveniently. The rapeseed oil squeezing device comprises a main body, a pumping plate, a flow guiding plateand a sliding rod. A hydraulic cylinder is arranged above the main body, a hydraulic rod is arranged below the hydraulic cylinder and penetrates through the main body, and a pressing plate is arrangedbelow the hydraulic rod. The pumping plate is arranged above the main body and clamped into a slideway, and meanwhile, the slideway is formed in the inner side wall of the main body. An open hole isformed in the surface of the bottom of the pumping plate, and a bottom plate is arranged above the bottom of the pumping plate and clamped into a groove. Meanwhile, the groove is formed in the surfaceof the bottom of the pumping plate, and a supporting plate is arranged above the bottom plate and connected with the bottom plate through a filter net. A movable plate is arranged in the middle of the supporting plate. According to the rapeseed oil squeezing device capable of collecting the rapeseed oil conveniently, the pressing plate and the open hole are formed, the hydraulic cylinder can drive the hydraulic rod and the pressing plate to ascend and descend, and the pressing plate can squeeze rapeseeds in the bottom plate and the supporting plate.

The invention relates to a pipeline piece resistance butt welding method, solves the technical problem of providing a pipeline piece resistance butt welding method, and achieves the aim of controlling the welding temperature of metal pipeline pieces. The method adopts the technical scheme that the resistance butt welding method for changing the resistance heat of metal to be welded comprises the following steps: firstly, selecting a welded pipe, secondly, manufacturing electrodes, thirdly, fixing a pipeline piece, and fourthly, performing welding, starting welding equipment and accomplishing resistance butt welding, wherein the welding equipment comprises a first electrode and a second electrode; the first and second electrodes are provided with central holes for fixing the pipeline; a notch(s) is(are) formed in the welded side(s) of the first electrode and / or the second electrode; an auxiliary electrode is embedded in the notch; the auxiliary electrode is also provided with a central hole for clamping the pipeline piece. The auxiliary electrode has the effect of shunting, and can also absorb the resistance heat of the interior of the pipeline piece and adjust the heat produced in a region to be welded of the pipeline piece.

The invention discloses a cylinder cooling water channel structure and an engine. The cooling structure comprises cylinders, a cooling liquid inlet, a wave-shaped water channel wall, a liquid distribution channel, baffles and diversion ports. The liquid distribution channel is arranged on the side of the water pump of a cylinder body. The cooling liquid inlet is communicated with the liquid distribution channel. The baffles with the diversion ports are arranged on the side of the cylinder tightening bolt between two cylinders and on the side of an oil and gas ventilation hole. The wave-shaped water channel wall is arranged at a position corresponding to the diversion port. The invention provides the transverse flow cooling water channel structure which can enable the temperature on the external side of all cylinders to be more evenly distributed, solves the problems of the traditional longitudinal flow structure that the temperature on the external side of the cylinder far away from cooling liquid is high and the cooling effect is not good, and can enable the temperature on the external side of all cylinders to be more evenly distributed. Moreover, the design of the liquid distribution channel, the baffles and the diversion ports can improve the rigidity of the cylinder body, so the performance and the reliability of the entire engine are effectively guaranteed.

The invention provides an atomizing nozzle, a nozzle array and a combustor. Fuel is atomized through an atomizing wave cyclone and is fully mixed with air, the combustion state is improved, the combustion stability is improved, the stable operation range is enlarged, the combustion efficiency is improved, and the effect of reducing pollutant emission is achieved. Due to an oblique flow channel, a low-speed area is generated near a center shaft of an outlet of the nozzle, the flame combustion rate and the rate of a reaction fluid flow field are balanced, and the phenomena of flameout and flame pulsation are avoided. Due to the adoption of a supporting cylinder, the fuel and air flowing speed can be more stable, the flow field is more stable, and the stability, completeness and efficiency of combustion can be further improved. The atomizing nozzle is switched between a diffusion combustion mode and a premixed combustion mode according to combustion conditions so as to be suitable for various working conditions and various kinds of fuel, and the combustion performance is greatly improved.

Embodiments of the invention provide an OLED (Organic Light Emitting Diode) lighting substrate, an OLED lighting device and manufacturing methods thereof. The OLED lighting substrate comprises an anode, an organic functional layer and a cathode which are laminated, wherein the anode comprises at least two branched anodes for shunting current on the anode. In the embodiments of the invention, the anode formed integrally in the prior art is replaced with the at least two branched anodes, thereby an electrode can be thinned, resistance on each of the branched anodes can be increased, and the branched anode can serve for shunting. Even if current gathering takes place, the intensity of concentrated current produced on the branched anode can also be weakened greatly, current gathering effect can be weakened, and the problems that the cathode and the anode can easily suffer from short-circuit, the electrode can be easily burned and light cannot be uniformly emitted can be solved.

The invention belongs to the technical field of municipal gardens, and relates to a drainage structure for a municipal garden. The drainage structure adopts the technical scheme that the drainage structure comprises a shaft well, a drainage pipeline, rotating plates, elastic supporting mechanisms, a vertical rod, a plurality of turning plates, elastic connecting pieces, and elastic adjusting mechanisms, wherein the drainage pipeline is connected between the bottom of the shaft well and a sewer; the rotating plates are hinged on the inner walls of the two sides of the shaft well and are symmetrical to each other; the elastic supporting mechanisms are arranged between the rotating plates and the inner walls of the shaft well and used to support the rotating plates; the vertical rod is vertically mounted at the bottom of the shaft well; the turning plates are hinged on the outer side of the top of the vertical rod; each elastic connecting piece is arranged between every two adjacent turning plates; when each turning plate is rotated to a horizontal position, the corresponding elastic connecting piece is extended, and the side of the turning plate far from the vertical rod is in contact with the corresponding inner wall of the shaft well to block sewage and impurities that pour upwards from the bottom of the shaft well; and the elastic adjusting mechanisms are arranged on the vertical rod and used to adjust the rotation angles of the turning plates. The drainage structure provided by the invention has the advantages that during use, the phenomenon that the sewage and the impurities reversely pour out of the shaft well in heavy rains can be effectively reduced, so that subsequent unnecessary troubles can be decreased.

The invention discloses a water washing diaphragm filter press. The filter press comprises a bracket, the upper end of the bracket is fixedly connected with a rack; the upper end of the rack is fixedly connected with a main beam; a thrust plate, filter plates and a pressing plate are sequentially mounted on the main beam from left to right; and sliding rails are welded to the outer side faces of the main beam. A walking trolley is slidably connected to the sliding rails. The walking trolley is fixedly connected with the front side of the filter plates; the filter plates are connected through flexible chains; flushing mechanisms are fixedly connected to the left and right sides of the upper end of the main beam; a driving motor is installed on the right side of the lower end of the main beam, an output shaft of a driving motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a belt, the left side of the driven wheel is fixedly connected witha turning plate located below the main beam, the front and rear sides of the turning plate are rotationally connected with the rack; and a transmission mechanism is arranged under the turning plate. The filter press has the advantages that the discharging impact force is reduced, the service life of a material receiving mechanism is prolonged, the discharging efficiency is high, the filter platesis cleaned in time, the service life of the filter plates is prolonged, and filter cakes and flushing water are transferred out in time.

The invention relates to an extraction device of a pressure-type coffee machine, comprising a pressing component driven by a handle and capable of moving up and down. An effluent pressure block is mounted at the bottom of the pressing component; a water inlet is extensionally arranged upward in the middle of the effluent pressure block; the coffee machine is provided with a fixed base at the lower part of the effluent pressure block; the fixed base is internally provided with a coffee collector and a filter screen; an inner cavity is arranged at the bottom of the effluent pressure block; the inner cavity is provided with an auxiliary pressure block capable of being moved downward by water pressure; a limit device for restricting the maximum downward-moving distance of the auxiliary pressure block is arranged between the effluent pressure block and the auxiliary pressure block; a water inlet hole is arranged in the middle of the auxiliary pressure block; a peripheral groove is arranged at the periphery of the auxiliary pressure block and sleeved with a water distribution sealing ring; a groove and a rubber ring are arranged at the bottom of the auxiliary pressure block; the position of the rubber ring corresponds to that of a flange on the filter screen; and the inner side at the bottom of the auxiliary pressure block surrounded by grooves and the filter screen form a coffee extraction cavity together. The product is simple in structure and convenient to operate and saves power.

The invention relates to an all-optical fiber current transformer integrated with an isolation circuit breaker. The all-optical fiber current transformer comprises a primary side sensing unit, a fitting, a suspension insulator and a T-shaped flange, wherein the primary side sensing unit is arranged inside the fitting; the fitting is of an annular structure and the bottom of the fitting is fixedly arranged at one end of the suspension insulator; the outer side surface of the arm, perpendicular to the central axis of the arm, of the T-shaped flange is fixedly connected with the flange of the isolation circuit breaker; the arm, where the central axis is located, of the T-shaped flange is connected with a high-voltage bus and penetrates through the annular structure of the fitting; the back of the annular structure of the fitting is fixedly arranged on the inner side surface of the arm, perpendicular to the central axis, of the T-shaped flange. The all-optical fiber current transformer integrated with the isolation circuit breaker realizes the integration of the isolation circuit breaker and the all-optical fiber current transformer, and is capable of conforming to the integration and intelligence requirements of a new generation intelligent substation.

The invention belongs to the technical field of sewage treatment, and particularly relates to an unpowered self-cleaning rainwater filtering device which comprises a filtering well and an inspection well, and a water inlet pipe, a guide plate, a fixed seat, a fixed plate and a water outlet pipe are fixedly mounted on the filtering well from top to bottom; and a rotating shaft of a water wheel rotationally installed on the fixing base is in transmission connection with a T-shaped rod through a planetary reducer, a belt transmission mechanism and a gear reciprocating mechanism, the bottom face of a scraper fixedly connected with one end of the T-shaped rod is slidably attached to the outer side face of a filter plate, filter holes are formed in the filter plate in equal sequence, and inner gear rings installed at the two ends of the filter plate are in meshed connection with gears installed at the two ends of a cleaning roller. The bottom of the filter plate is fixedly connected with a fixed plate, a cleaning notch is formed in the filter well on the upper side of the fixed plate, a baffle is fixedly mounted on the outer side of the cleaning notch, and the cleaning roller and the scraper are driven by kinetic energy of water flow to reciprocate and enable the cleaning roller to rotate, so that garbage attached outside the filter plate and in filter holes is effectively cleaned and scraped, and small-size garbage is isolated and filtered; and labor is reduced.