898results about How to "Prevent water ingress" patented technology

The invention discloses a double-isolating type charge interface structure of a new energy car. The charge interface structure is outstanding in waterproof performance, can effectively prevent the problem that water enters a charge socket during long-term use to influence the normal use of the charge interface of the electric car and reduce the safety of the charging process of the car. The double-isolating type charge interface structure of the new energy car comprises a charge socket arranged on a car body, a charge interface box body which is arranged on an outer plate at the side of the car body and provided with an opening in the upper end, and a charge interface cover; the charge socket comprises a charge socket body, and a socket end cover which is hinged to the charge socket body and used for shielding an upper end port in the charge socket body; an avoiding gap is formed in the bottom surface of the charge opening box body; the upper end of the charge socket body passes through the avoiding gap to be positioned in the charge interface box body; the socket end cover is positioned in the charge interface box body; a first sealing ring is arranged at the side edge of an opening in the upper end of the charge interface box body; an inflating sealing structure is arranged between the charge socket body and the socket end cover.

An inorganic thermal insulation decorative sheet comprises a leveling layer on the wall face of a basic wall. L-type brackets are anchored to the wall face of the basic wall. The brackets are composed of horizontal boards and vertical boards. The vertical boards of the brackets are anchored to the basic wall. Inorganic thermal insulation decorative sheet bodies adhere to the leveling layer. The lower portions of the sheet bodies are matched with the horizontal boards of the brackets. Multiple U-type clamping pieces are arranged between the adjacent sheet bodies and matched with the side edges of the sheet bodies. The U-type clamping pieces are anchored to the basic wall. Gaps between the adjacent sheet bodies are filled with sealant provided with venting plugs. One end of each venting plug is located in a gap between the leveling layer and the corresponding sheet body and an opening of the other end of each venting plug faces downwards and is communicated with the atmosphere. An installation method comprises the steps of treatment of the basic wall face, construction of wall face stay wires, cutting, machining of the inorganic thermal insulation decorative sheet bodies, installation of the brackets, preparation of polymer adhesive mortar, adhesion of the inorganic thermal insulation decorative sheet bodies, installation of the U-type clamping pieces, treatment of board seams and installation of the venting plugs.

The invention discloses a device special for laying an underwater cable, comprising a dragging part and an anchoring part and is characterized in that the dragging part comprises an upper shell, a lower shell and a dragging head; the anchoring part comprises a base and an anchoring assembly for fixing the underwater cable; the upper shell and the lower shell are respectively fixedly connected with the anchoring assembly in a sealing way; the anchoring assembly is arranged in the lower shell; an inner cavity for filling waterproof sealant is arranged between the lower shell and the anchoring assembly; the base is sleeved on the lower shell; and the dragging head is fixedly connected to the upper shell in a sealing way and is in threaded connection with a hoisting screw. The device special for laying the underwater cable has the advantages that the underwater cable can be draught by only dismounting the base at the dragging stage of the underwater cable, the underwater cable can be fixed and installed through sleeving the base on the lower shell and then fixedly installing the base on a top flange of a J-shaped pipe or I-shaped pipe in an installing site when the underwater cable is needed to be installed and fixed after the dragging, thus, the construction operation efficiency of the underwater cable is increased, and meanwhile, the construction difficulty and strength are also reduced.

The invention relates to the technical field of electronic devices, and discloses a mobile terminal and a method for preventing water inflow damage of the mobile terminal. In the invention, the mobile terminal comprises a housing, a circuit board, a processor, a power management chip and at least one short circuit detector used for detecting whether water enters from an open pore position of the housing; the short circuit detector comprises a conducting wire and a water swelling part installed on the circuit board; the water swelling part corresponds to the open pore position of the housing; the conducting wire is connected between a voltage output end of the power management chip and a GPIO interface of the processor, and when the water swelling part is subjected to water inflow at the open pore position of the housing, the conducting wire is disconnected or connected. In the embodiment, the water swelling part quickly swells in water to disconnect or connect the conducting wire, the voltage change of the circuit where the conducting wire is located is detected to judge whether the mobile terminal is subjected to water inflow, whether the mobile terminal is subjected to water inflow can be judged by a simple circuit without using an additional sensor, and thus the production cost is reduced.

A fish luring searchlight comprises a barrel, a support and a base. The barrel transversely extends axially, the support is connected with the barrel to support the same, the base is positioned at the bottom of the support, the support comprises two sub supports which are separated mutually and hinged to two sides of the barrel of the searchlight respectively, the barrel can rotate up and down around hinging shaft of the barrel and the sub supports, the support can horizontally rotate relatively to the base around a shaft provided by the support in an up-down manner, and a light body is arranged in the barrel, extends along the axial direction of the barrel and can move back and forth along the axial direction of the barrel. Irradiating range, distance and intensity can be adjusted, irradiating direction and angle can be adjusted conveniently, the fish luring searchlight can be locked in any direction and at any angle, and the fish luring searchlight can be adjusted easily without exerting great effort; the fish luring searchlight is provided with a passage for ventilation, so that heat radiation of the light body is facilitated, and water and dust can be effectively prevented from entering the light body and electric parts.

The invention discloses a treatment structure of a heat insulation cotton seam. A connecting member is arranged between upper heat insulation cotton and lower heat insulation cotton of an outer wall, the connecting member is a Z-shaped galvanized iron sheet, and an angle between the connecting side of the Z-shaped galvanized iron sheet and a horizontal plane is from 5 DEG to 8 DEG. According to the treatment structure, the Z-shaped connecting member is adopted as the connecting member for treating the details of the heat insulation cotton seam, reasonable construction steps are combined, the phenomenon that water enters the heat insulation cotton because rain invades during outdoor construction is avoided, thereby guaranteeing the long-time heat insulation effect of the heat insulation cotton and prolonging the service life of an energy saving system of a building, the smoothness of the heat insulation cotton seam is good, and the division engineering quality of energy saving construction of the building is guaranteed.

The invention provides a ground lead current signal monitoring sensor for an end screen of transformer bushing. The ground lead current signal monitoring sensor comprises a conducting rod 1, a pedestal 2, a bottom waterproof sealing ring 3, a coil 4, a coil 5, a coil 6, a housing 7, a waterproof cap 8, a conductive disk 9, a top waterproof sealing ring 10, a BNC contact 11, a BNC contact 12, and a BNC contact 13, wherein the coil 4, the coil 5 and the coil 6 sleeve the conducting rod 1 side by side, and shares the housing 7; the conducting rod 1 is cylindrical; the housing 7 is cylinder-shaped; the conducting rod 1 and the housing 7 form a coaxial cylinder structure; and the pedestal 2 is a cylinder, and the pedestal 2 and the conducting rod 1 forms a coaxial cylinder structure. The ground lead current signal monitoring sensor for an end screen of transformer bushing can transmit high frequency signals in the 1MHz-40MHz scope without distortion, and is small in volume and high in adaptability.

The invention relates to an outer wall waterproof structure which comprises a polymer cement waterproof paint layer, seamed woven polyester cloth and a waterproof anti-crack mortar layer. An insulating layer or a leveling layer of an outer wall is coated with the polymer cement waterproof paint layer. The seamed woven polyester cloth adheres to the polymer cement waterproof paint layer and is coated with the waterproof anti-crack mortar layer. The outer wall waterproof structure is not prone to damage, the anti-crack performance and the waterproof effect are good, the wall can be effectively prevented from falling off, and the service life is long. According to the outer wall waterproof structure, good social benefits and economic benefits further can be achieved, personnel or property loss caused by fall-off of the wall can be avoided, replacement of the outer wall waterproof structure is reduced, and the maintenance cost is reduced.

The invention relates to a comprehensive monitoring ocean buoy. The comprehensive monitoring ocean buoy comprises a monitoring device, a shell arranged above a monitoring platform, a floating body arranged below the monitoring device, a lower-layer platform connected with the lower portion of the floating body and a power supply device arranged in the lower-layer platform. The monitoring device comprises a monitoring platform, an infrared temperature measuring sensor, a wide-angle lens and a pressure monitoring ring. The infrared temperature measuring sensor and the wide-angle lens are fixed on the monitoring platform in parallel; the pressure monitoring ring is arranged outside the monitoring platform in a sleeving manner; the pressure monitoring ring comprises an elastic ring and a pressure sensor arranged in the elastic ring; the elastic ring is made of an elastic material and can transmit elastic deformation caused by the outside to the pressure sensor; the comprehensive monitoringocean buoy has the advantages of being capable of achieving multifunctional monitoring at the same time, is high in stability, and suitable for long time operation under a severe sea surface environment.

The invention discloses an underground pipe gallery monitoring waterproof structure based on informationization of construction and mainly relates to the field of waterproofness of underground pipe galleries. The waterproof structure comprises a pipe gallery splicing building block body and a remote computer control system. An electric pipeline cavity, an oil and gas pipeline cavity, a comprehensive pipeline cavity and a water collecting and draining cavity are arranged in the pipe gallery splicing building block body; a pipe gallery top water leakage monitoring flow guide slot, a pipe gallery side water leakage monitoring flow guide slot, a water level sensor and a control valve are also arranged in the electric pipeline cavity, the oil and gas pipeline cavity and the comprehensive pipeline cavity; drain main pipes communicating with the water collecting and draining cavity are arranged on the inner side wall, a first inner side wall and a second inner side wall of the pipe gallery splicing building block body; and the water level sensors and the control valves are in signal connection to the remote computer control system. The waterproof structure disclosed by the invention has the beneficial effects that the waterproof structure can drain effectively; severe water seepage can be immediately found and the position with severe water seepage can be determined, and the leakage position can be immediately found and positioned.

The embodiment of the invention provides electronic equipment which comprises a shell assembly, the shell assembly comprises a side edge and is provided with a first storage groove and a mounting hole, the first storage groove is communicated with the mounting hole, the mounting hole is communicated with the outside, and the first storage groove is used for storing a switch; a pressing modle, wherein at least one part of the pressing module is arranged in the mounting hole and is in interference fit with the mounting hole so as to be used for preventing water; and a key arranged on the side edge and used for driving the pressing module to move in the mounting hole so as to trigger the switch. The embodiment of the invention further provides an assembling method of the shell assembly. According to the shell assembly, the electronic equipment and the shell assembly assembling method provided by the embodiment of the invention, the waterproof reliability of the shell assembly can be improved.

The invention discloses a papermaking device for rice paper production. The papermaking device comprises a papermaking plate, a vibrating device and a control unit, wherein the edges of the papermaking plate are provided with a frame; the control unit comprises a swinging arm and connecting devices; each connecting device comprises a supporting rod, a first air cylinder and a telescopic connecting rod; two ends of the connecting rods are respectively connected to the swinging arm and the first air cylinders; piston rods of the first air cylinders are hinged to the edges of the papermaking plate; sliding grooves are formed in the papermaking plate; one end of each supporting rod is connected into the corresponding sliding groove in a sliding way; the other end of each supporting rod is hinged to the corresponding connecting rod; the piston rod of the first air cylinder and the supporting rod are symmetrically arranged at the same edge of the papermaking plate along the center line of the papermaking plate; the length of each supporting rod is equal to the total sum of the length of each connecting rod under a hinging point of the connecting rod and the length of each first air cylinder; the vibrating device comprises a vibrator and a control device; the vibrator is arranged on the papermaking plate. By implementing the scheme, the problem in an existing papermaking technology that the rice paper is not high in quality or high in cost is solved.

The invention provides a flexible display screen assembly. The flexible display screen assembly is characterized in that the flexible display screen assembly comprises a flexible display screen whichcomprises a bending area; a protection frame body which is annularly arranged at the periphery of the flexible display screen; a sealing structure which comprises two first elastic bodies; and a rotating shaft protection shell, wherein the protection frame body is provided with two openings corresponding to the bending area, the bodies of the two first elastic bodies cover the surfaces, corresponding to the two openings, of the flexible display screen respectively, the bodies of the first elastic bodies extend to form extending parts, and a containing groove is formed in the rotating shaft protection shell, and the extending parts are contained in the containing groove. The invention further provides terminal equipment.

The invention discloses a moistureproof insulation material for electrical engineering. The material comprises an inner layer and an outer layer. The inner layer is prepared from the following raw materials in parts by weight: 10-16 parts of quartz sand, 16-22 parts of aluminum oxide, 16-22 parts of polyallylamine resin, 3-9 parts of dimethylformamide, 1-4 parts of butyl rubber and 3-9 parts of nano silicon dioxide. The outer layer is prepared from the following raw materials in parts by weight: 15-22 parts of epoxy resin, 10-17 parts of polyamide resin, 20-28 parts of glass fiber, 2-6 parts of ethylene propylene diene monomer rubber, 0.5-1.2 parts of 2-mercaptobenzimidazole, 1-4 parts of nano zinc oxide, 10-18 parts of silicon nitride, 2-9 parts of hydrogenated nitrile-butadiene rubber, 5-11 parts of aluminum nitride and 5-11 parts of polyethylene. The moistureproof insulation material is composed of the inner layer and outer layer; the outer layer achieves the moistureproof effect under the combined actions of the components; and the material has steady insulating property under the combined actions of the components of the inner layer.

The invention relates to a terminal front cover assembly comprising a housing, a glass cover plate, waterproof glue, a display screen, and a first shielding part. The housing has an accommodation cavity; and an accommodation groove that encircles the periphery of the accommodation cavity is formed in the wall of the accommodation cavity. The glass cover plate is arranged in the accommodation cavity; and a gap is formed between the side surface of the glass cover plate and the wall of the accommodation cavity. The waterproof glue is arranged in the accommodation cavity in a spraying mode and is compressed on the glass cover plate and the accommodation cavity to fill the gap. The first shielding part is arranged on the wall of the accommodation cavity in a protruding mode and is abutted against the side surface of the glass cover plate; and the first shielding part is located at one side of the accommodation groove to shield the waterproof glue. According to the invention, because the waterproof glue is arranged in the accommodation groove and is compressed between the glass cover plate and the accommodation groove, falling of external water or dust between the glass cover plate and the housing can be prevented, thereby realizing the waterproof and dustproof effects. Besides, the first shielding part is arranged at one side of the accommodation groove to shield the waterproof glue, so that the external decoration effect of the terminal front cover assembly can be guaranteed. In addition, the invention also provides a terminal containing the terminal front cover assembly.

The invention belongs to the field of underwater recovery devices. The purpose is to provide a six-degree-of-freedom underwater recovery device, which can automatically control the conical guide coverto achieve six-degree-of-freedom movement in space, thereby changing the position and attitude of the conical guide cover, thereby increasing the permissible angle of the AUV entering the conical guide cover in disguise. The technical scheme is as follows: a six-degree-of-freedom underwater recovery device is characterized in that the device comprises an upper platform, a lower platform, a docking device fixed on the upper platform for recovering AUV and six telescopic rods sequentially arranged in a W-shape between the upper platform and the lower platform to adjust the position of the docking device; the six telescopic rods have the same structure and the included angle between two adjacent telescopic rods is the same; the lower end of the expansion rod is rotatably connected with the lower platform through a first Hooke hinge, and the upper end of the expansion rod is rotatably connected with the upper platform through a second Hooke hinge.

In the invention, a miniature pressurized fan is added at the position of the original rotor boss or the slot in the oil baffle of a turbine, a fan and a compressor, or the miniature pressurized fan adopts a shrink fit on the oil scraper ring. The fan can produce two airflows, an airflow flows on the side of the cylinder to stop the steam leaked from the shaft end from being sucked into the bearing box and the other airflow flows to the bearing box in order to prevent the turbine oil from leaking outwards and water from entering into the turbine oil.

The invention relates to a high-power LED (light-emitting diode) lamp module of a chip-on-board. The lamp module comprises an LED light emitting unit, a uniform temperature plate (1) and a heat radiating structure (2), wherein the LED light emitting unit is fixed on the uniform temperature plate (1), the heat radiating structure (2) is fixed below the uniform temperature plate (1); and the lamp module is characterized in that the heat radiating structure (2) and the uniform temperature plate (1) transfer heat by a graphite paste (8). In the high-power LED lamp module, the graphite paste arranged between the heat radiating structure and the uniform temperature plate has excellent heat transfer performance; and compared with a structure in the prior art, the high-power LED lamp module has the advantages that a layer of heat conducting silica gel is omitted, and the heat radiating efficiency is greatly increased.

The invention provides a ventilating and radiating system for a switch cabinet chamber of a semi-buried box-type substation, which comprises a lower box body as a transformer chamber and an upper box body as the switch cabinet chamber, wherein of the big part of the lower box body is buried under the ground; and a certain height of neck is exposed out of the ground. The ventilating and radiating system is characterized in that a high-voltage cabinet chamber is arranged at one side in the upper box body; a low-voltage cabinet chamber is arranged at the other side in the upper box body; a high-voltage cabinet chamber air inlet channel and a low-voltage cabinet chamber air inlet channel which are respectively used for allowing cables to pass in and out and ventilating are arranged on two sides at the neck of the lower box body; a high-voltage cable trench and a low-voltage cable trench are respectively introduced into the lower part of the air inlet channel; and exhaust outlets are respectively arranged at the upper part of the high-voltage cabinet chamber and the upper part of the low-voltage cabinet chamber. No wire through hole is arranged on the lower box body, thus the sealing property of the lower box body is ensured; the cable trenches are used as cold air sources so as to ensure that all air entering the upper box body is cold air; and an air inlet and an air outlet are respectively arranged at the bottom and the upper part or the top part of the lower box body, thus local circulation can be avoided and the integral ventilation and radiation of the high-voltage cabinet, and the low-voltage cabinet can be realized.

The invention relates to portable amphibious equipment for collecting greenhouse gases. The portable amphibious equipment comprises a box body and a floating device, wherein the box body is of a hollow cylindrical structure with an opening in the bottom, and is composed of an inner wall, an outer wall nested outside the inner wall and an integrally formed thermal insulation material between the inner wall and the outer wall, the bottom of the inner wall downwards extends and exceeds the bottom of the outer wall, and the floating device is a detachable device, and provides a supporting force for enabling the collecting equipment to float on the water and enabling the box body to keep balance. The portable amphibious equipment can be used for collecting greenhouse gases in a water-gas interface and a soil-gas interface; the surface of a material used by the box body is smooth and is capable of reflecting light, the filling material is good in thermal insulation effect, is capable of effectively blocking solar radiation to guarantee that the gas temperature in the box body is kept stable within a short time; the material used by the box body is stable in chemical property and corrosion-resistant without reacting with the greenhouse gases in a box to influence the experiment result, the box body is good in impermeability without being damaged, lighter in weight so as to be convenient to carry and transport, and convenient to use.

The invention discloses a self-powered street lamp in an embodiment. The self-powered street lamp is capable of reducing the possibility of a photovoltaic panel falling from height under the action of external force, avoiding the probability of water entering a battery module in rainy days; besides, the space for backfilling does need to be excavated when the battery module is mounted so that the amount of work is reduced, and therefore, the construction cost is saved. The self-powered street lamp comprises a photovoltaic panel module for converting the received solar energy into electric energy and transmitting the electric energy to a battery module for storage, the battery module for storing the electric energy transmitted from the photovoltaic panel module and outputting the electric energy to lighting equipment, a lamp post for supporting the lighting equipment mounted on the lamp post, the lighting equipment for lighting with the received electric energy output by the battery module, and a lamp post base for fixing the position and supporting the lamp post. The embodiment of the invention also provides an energy-saving control system.

The invention discloses an ultraviolet-visible spectrum in situ monitoring device capable of adjusting an optical path and a water quality multi-parameter measuring method. The monitoring device comprises a monitoring part, a light source, a collimating lens, a converging lens, an emitting part, a flat field holographic concave grating and an image detector; a monitoring probe is arranged in waterto be detected; and a second sub-chamber is filled with the water to be detected. The light source is arranged for supplying illumination, the light emitted by the light source is collimated by the collimating lens to become parallel beams, the parallel beams pass through the water to be detected in the second sub-chamber, then are converged by the converging lens and are emitted from emitting slits of the emitting part, the light emitted from the emitting slits is divided through the flat field holographic concave grating and is imaged on a light-sensitive surface of the image detector, theimage detector converts light intensity signals with different wavelengths into electrical signals, namely an ultraviolet-visible spectrum, and a controller acquires and records ultraviolet-visible spectrum signals. The monitoring device is greatly improved in monitoring efficiency and high in measurement accuracy.

The invention belongs to the technical field of a traditional Chinese medicine, and particularly relates to a traditional Chinese medicine composition for treating a skin wound. The invention provides a traditional Chinese medicine composition for treating a skin wound to shorten the wound healing time of the skin wound, and reduce or remove a scar. The traditional Chinese medicine composition is mainly prepared from the following raw materials: rheum officinale, angelica sinensis, pseudo-ginseng, lithospermum, sangusis draconis, golden cypress, ligusticum wallichii and radix angelicae. By adopting the traditional Chinese medicine composition provided by the invention, the wound healing time can be shortened, almost no scar is left after the wound is healed, and the traditional Chinese medicine composition is free of a side effect, and has good medical application prospect.

The invention provides an in-situ water collecting device and method for an underwater oil water sample to solve the problem that the normal use and a measured result are affected by defects on the aspect of an operating container cover switch existing in the prior art. The in-situ water collecting device for the underwater oil water sample comprises a container cover, a double-spring assembly and an electric magnet. When the in-situ water collecting device for the underwater oil water sample is used, a mechanism for opening the container cover is started through a control button of a deck unit after the device reaches a set depth. After an underwater electric control part receives an instruction, a power source of the electric magnet is started, a tensile force is provided by the electric magnet to pull a locking pin and generate displacement, a cover opening lever is pulled by a cover opening spring to break away from a locking position to move, water is collected through opening the container cover under the action of the lever, the electric magnet is started to act to close the container cover after the water is collected, an underwater part is lifted to a deck by pulling a rope, a container is taken out, and a water sample in the container is stored for analysis and research. The in-situ water collecting device has the advantages of simpliness and reliability in operation, accurate and reliable actions for opening and closing the cover, accurate measured result and the like.

A ventilating cooling rain-proof high speed motor of an electric bicycle is provided with a motor rotor and a motor stator. The stator is provided with a shell; the shell is connected with an end cover and the connection cover of a gearbox; the motor shaft of the rotor is mounted in the end cover and the connection cover; an output shaft is driven by the motor shaft through a gear shift; the hub of the electric bicycle is driven by the output shaft; a box body is arranged out of the gear shift; the invention is characterized in that an air suction opening is arranged in the connection cover of the gearbox; a fan vane is mounted on the electric shaft; a ventilating hole and an air exhaust channel are arranged in the end cover; the air exhaust channel is provided with an air inlet and an air outlet; the outer side of the end cover is connected with a water and dust-proof hood. The motor can effectively reduce the temperature in a motor chamber and reduce the discharge circuit when the electric bicycle is in operation, thereby improving the working efficiency of the motor so as to prolong the continuous running mileages and lane climbing capacity. The water dust-proof hood is arranged out of the end cover, thus effectively preventing the outside impurities and rain from invading.

The invention discloses inflatable life-saving equipment, comprising an air bag and a passive sealing device, wherein the air bag comprises more than two independent inflation chambers, and a refuge cabin for one person to enter is arranged in the middle of the air bag; and the passive sealing device is arranged on the side face of the refuge cabin. When the inflatable life-saving equipment disclosed by the invention is used for escaping in water, the life-saving equipment is inflated, and the person opens an entrance to enter into the refuge cabin, so that the inflatable life-saving equipment floats on the water, and the person waits for rescuing; and the inflatable life-saving equipment is convenient and fast to inflate and is safe and reliable.

The invention discloses a multifunctional battery bracket for a new energy automobile, and relates to the technical field of new energy automobiles. The multifunctional battery bracket comprises a mounting frame and an air box, a buffering and shockproof mechanism is mounted at the middle portion of the mounting frame, a sealing shell is connected at the middle portion of the buffering and shockproof mechanism, a top cover is fixed at the upper portion of the sealing shell, a loading and unloading opening is formed below the sealing shell, a lifting motor is mounted in the sealing shell, and the shaft end of the lifting motor is connected with a stud. The multifunctional battery bracket for a new energy automobile is provided with the buffering and shockproof mechanism which is connected with the mounting frame and the sealing shell, the device is provided with the sealing shell, the sealing shell can package a battery in the sealing shell to protect the battery, the mounting frame isinstalled on an automobile chassis, a connection frame is fixed on the mounting frame and is capable of vertically moving on a sliding column through a sliding sleeve and can be subjected to buffer and shock absorption through a spring, so that when the sealing shell is impacted and shocked, buffering and shock absorption are performed to protect the battery loaded in the sealing shell to facilitate improvement of the safety of the device.

The invention discloses a blockage preventing device for a shotcrete pumping pipe. The blockage preventing device comprises an inner pipe, an outer pipe and self-oscillating rings, wherein the outer pipe is formed by connecting at least two unit pipes by connecting components, and a splicing length is free and flexible; one self-oscillating ring is arranged inside each unit pipe, so that the dominant function of oscillating blockage prevention is realized; the self-oscillating rings are arranged on the outer wall of the inner pipe in a sleeving way and the number of the self-oscillating rings is at least two, so that the oscillating efficiency is guaranteed; a pipe body of the outer pipe is made of polyurethane rubber (PUR), so that various outside contact conditions and oscillating reduction requirements are met; the inner pipe and the connecting components are made of polybutylene (PB), so that concrete is efficiently conveyed; by using all the functions of three parts, the concrete is efficiently conveyed, the problem of pipe blockage in the shooting process is better solved, and the working efficiency of the shotcreting is improved; meanwhile, the occurrence of pipe explosion accidents is avoided, and the safety of working is guaranteed.

The invention discloses an intelligent door and window control system based on a computer. The system comprises an intelligent terminal and further comprises an outdoor detection module, a network managing module, an indoor detection module, a central processing module and a door and window control module. When no person is at home, all windows are automatically closed, the windows are arranged tobe light-proof, privacy can be protected, and the probability of house stealing can be reduced. When a person is at home, for a room without the person, according to the outdoor temperature, whethera window is opened for ventilation is decided according to the condition of whether rainfall appears or not and whether it is night or not, if the temperature is proper, the window is opened for ventilation, safety and comfort are improved, and water is prevented from entering the room. For the room with the person, according to the user behavior, window adjusting is automatically carried out, andtemperature, ventilation and privacy in all rooms can be ensured.