34results about How to "Rodent proof" patented technology

The invention relates to the technical field of cables and in particular relates to a cable for elevators, and provides a rat-proof termite-proof low-smoke low-halogen leadless flame-retardant control cable for elevator shafts, which comprises a sheath and a cable core arranged in the sheath, wherein the cable core comprises a conductor and an insulating layer arranged outside the conductor, the sheath is a polyvinyl chloride sheath made of a polyvinyl chloride insulating material, and the polyvinyl chloride insulating material has rat-proof, termite-proof, low-smoke, low-halogen, leadless and flame-retardant properties. By using the technical scheme, the cable has the rat-proof, termite-proof, low-smoke, low-halogen, leadless and flame-retardant effects, and also has the advantages of flexibility, elasticity and firm structure.

The invention relates to a seeping micro-irrigation container and a preparation method thereof. The container is made of a micro-irrigation material with a capillary water seeping function, has a three-dimensional network capillary water seeping structure of inorganic particles and thermoplastic plastics, and has a power-free self-adaptation, continuous and balanced seeping function. According to water potential of soil contacted with the container, water can seep outwards automatically through the capillary network structure inside the container or stop seeping outwards. The container further comprises a gel protective layer (11). The container has good water seeping capacity, can prevent blocking, bacteria and rats, can be used as a mini reservoir independently, can also be connected with a pipeline system, and forms a power-free self-adaptation, continuous and balanced seeping micro-irrigation system.

The invention relates to a micro-irrigation system, a manufacturing method and an application of the micro-irrigation system. An irrigation element of an irrigation section of the micro-irrigation system is an unpowered self-adapting, lasting and balanced infiltrating micro-irrigation pipe or container; the irrigation element comprises a capillary infiltration layer (11) with a three-dimensional mesh structure; and the capillary infiltration layer is made from a capillary infiltrating micro-irrigation material with the three-dimensional mesh structure, and the micro-irrigation element is further coated with a gel protective layer (13). The micro-irrigation system has a composite infiltration structure, and the water can automatically permeate outwards or stop permeating outwards through the infiltrating micro-irrigation element according to the water potential height of the soil contacting the water. The system has the functions of resisting blockage and bacterium and can prevent a mouse, can be widely applied to the field of water-saving micro-irrigation and applied to a desert to play the roles of stabilizing sand and improving the desert, and can be applied to saline and alkaline lands to play the roles of holding down salt and alkali and transforming the saline and alkaline lands.

The invention relates to a manufacturing technology of a plant stem, hull, particle concrete masonry block and a wallboard. Specifically, plant stem and hull light particle aggregate is prepared by soaking in cooked glutinous rice juice and drying, then an adhesive is added to prepare a lightweight high strength masonry block and a lightweight high strength prefabricated wallboard. The technology can change waste materials into things of value. The masonry block and prefabricated wallboard manufactured by the technology provided in the invention has the advantages of pure naturalness, green and environmental protection, low cost, light weight, high strength, heat insulation and size large. Buildings built from the masonry block and prefabricated wallboard provided in the invention have the significant advantages of energy saving, fast speed and low cost.

The invention discloses a composite curtain wall for a multifunctional building. The curtain wall is divided into an outer layer unit and an inner layer unit, one or more tubular hollow cavities that are through from one end to the other end are arranged inside the outer layer unit, and insulation materials are arranged inside the inner layer unit. In hot areas, the tubular hollow cavities inside the outer layer unit are vertically installed and are through from top to bottom. An air inlet and an air outlet are respectively reserved at the upper end and the lower end of the outer layer unit. As each tubular hollow cavity in the outer layer unit is independently closed, air outside the curtain wall and air inside the tubular hollow cavities form a strong hot pressure difference, due to the hot pressure difference, air flows freely from bottom to top inside the tubular hollow cavities, a Chimney effect is formed to take heat away from the outer layer unit of the curtain wall, in order to play functions of saving energy and cooling; in cold areas, the tubular hollow cavities inside the outer layer unit can be mounted horizontally, so that outdoor cold air is prevented by air both inside the outer layer unit and hollow cavities therein from directly contacting the inner layer unit in order to play the thermal insulation function.

The invention relates to the technical field of fire-proof sealing materials, and discloses an efficient fireproof environment-friendly foam plugging material. The foam plugging material comprises a component A and a component B; the component A comprises polyether polyol, phosphate flame retardant, cross-linking agent, foam stabilizer, catalyst, powder flame-retardant masterbatch and carbon-layer anti-crack fiber; the component B comprises isocyanate. The efficient fireproof environment-friendly foam plugging material is high in fireproof limit, free of halogen, green and environment friendly and has advantages of high foam strength, good dimensional stability, good plug sealing effect, oil proofness, water proofness, corrosion protection, rat proofness and the like, routine maintenance is not required after construction, and service life is as long as 20-30 years.

The invention discloses a mineral-insulated flexible fire-proof cable coated by a high-strength non-magnetic corrugated stainless steel sheath. The cable includes a wire which is arranged inside a cable-making lapping layer and is cladded with an insulation layer, inorganic heat-insulating fire-proof filling material which are filled between the insulation layer and the cable-making cladding layer, a stainless steel sheath which coats the outer circumferential surface of the cable-making cladding layer, and a fire-proof coating layer which is sprayed on the outer circumferential surface of the stainless steel sheath. The cable of the invention has the advantages of fire-proofness of mineral-insulated cables, simple production technology, flexibility in any-length section production, variable specifications, high strength and excellent flexibility, and convenient installation and laying.

The invention discloses a low-smoke low-halogen flame-retardant insulation-grade PVC (polyvinyl chloride) sheath material for an ultrahigh-voltage cable, and preparation of the low-smoke low-halogen flame-retardant insulation-grade PVC sheath material. The low-smoke low-halogen flame-retardant insulation-grade PVC sheath material for the ultrahigh-voltage cable comprises the following components in parts by weight: 100 parts of PVC resin, 10-20 parts of plasticizer a, 10-15 parts of calcined clay, 1-3 parts of flame retardant a, 1-2 parts of pigment carbon black, 2-8 parts of flame retardant b, 2-5 parts of heat stabilizer, 5-10 parts of plasticizer b, 0.1-0.2 part of antioxidant, 1-2 parts of flame retardant synergist, 0.2-0.4 part of polyethylene wax, 0.5-1 part of lubricant, 10-20 parts of plasticizer c, 1-2 parts of metal naphthenate, 0.5-5 parts of capsaicine and 5-10 parts of antismoke agent. The low-smoke low-halogen flame-retardant insulation-grade PVC sheath material for the ultrahigh-voltage cable can be widely applied to an outer ultrahigh-voltage cable sheath which needs to be flame-retardant, is low in smoke density and halogen acid gas content during combustion, and is rat-proof and termite-proof.

The invention discloses a trackless drawer-type compact shelf, which consists of a column shelf body with two fixed ends and a middle drawer-type shelf body, wherein a transmission system is arranged on the drawer-type shelf body; a hand crank, a chain wheel and a chain in the transmission system are arranged on a connection plate at one end of a front panel of the shelf body and are connected with a transmission shaft, a rubber wheel axle and a rubber wheel on a bottom shelf; guide wheel sets are arranged at the upper part and the lower part of one side of the drawer-type shelf body; lead rails are arranged at the upper part and the lower part of the other side of the drawer-type shelf body; the adjacent drawer-type shelf bodies are connected through the guide wheel sets and the lead rails, and the column shelf body with two fixed ends and the adjacent drawer-type shelf bodies are also connected through the guide wheel sets and the lead rails. According to the trackless drawer-type compact shelf, accurate location can be achieved only by the actions of the guide wheel sets and the lead rails between the shelf bodies without paving a track on the floor or the wall surface; the project cost is saved; simultaneously, due to the compact arrangement of columns and change from a lateral translation motion of a traditional compact shelf into a longitudinal drawer motion, toppling danger of the compact shelf is avoided, and the operation strength is greatly reduced.

A cement decorative composite board and its construction method, comprising a steel keel laid on the ground and a composite floor connected to the steel keel, the steel keel is composed of longitudinal main keels distributed at intervals and placed on the ground and adjacent The horizontal auxiliary keel between the two longitudinal main keels; the composite floor is made up of square composite floor boards one by one, and each composite floor board includes a steel box, cement mortar and glue filled in the steel box. The surface layer connected to the upper surface of the steel box body; a support gasket is placed on the longitudinal main keel, and a vertical height-adjusting screw is threaded on the support gasket, and the composite floor board is overlapped by the height-adjusting screw Place it on the longitudinal main keel. The composite board is flexible in construction and disassembly. When moving, it can be disassembled and taken away, and then reused many times. It is very energy-saving and environmentally friendly, and can save a lot of resources for the country.

The invention discloses an ethylene-propylene rubber insulating mouse-proof insect-proof low-smoke halogen-free flame-retardant direct-current high-voltage cable insulating material used for rail traffics. The insulating material is formed by the following raw materials by weight: 100 parts of ethylene-propylene rubber, 2.3-3.2 parts of vulcanizing agent, 0.3-1.2 parts of co-vulcanizing agent, 50-67 parts of reinforcing agent, 5-7 parts of microcrystalline wax, 5-7 parts of epoxy soybean oil; 0.8-1.2 parts of coupling agent, 8-10 parts of low-density polyethylene, 5-8 parts of zinc oxide nano-powder, 1.2-1.6 parts of anti-aging agent, 5-7 parts of red lead, 1.0-5 parts of magnesium oxide nano-powder, and 15-25 parts of white carbon black. The ethylene-propylene rubber insulating mouse-proof insect-proof low-smoke halogen-free flame-retardant direct-current high-voltage cable insulating material used for rail traffics has the advantages that the mechanical property and electric property of the direct-current high-voltage cable are enhanced effectively and the weather resistance is excellent.

The invention utilizes the mud to calcine the bone ash case, relating to the funeral appliance technique field of bone ash case. The steps comprises that using the clear mud of Yellow River as raw material; selecting the mud material whose sand percent is 3-8 %; adding water to be dipped; continuous mixing straight forward; filtering four times at sequence; depositing and pumping water; airing and draining; kneading; removing gas holes; loading mould; unloading mould; dry in shade; finishing blank; carving the patterns of twelve Chinese zodiac; cleaning the opposite opens; sanding; burnishing in water; calcining in furnace for five days in the temperature that progressively increased from 800-1000 Deg. C; closing the furnace; opening the furnace and cooling; getting out from the furnace to be wax finished for the finished product of bone ash case made from mud. The invention can apply storage of bone ash, and has the advantages that utilizing the waste of mud of Yellow River, saving the natural resource of wood, fire prevention, and insect prevention.

The invention relates to an A-class fire-retardant water-proof rat-proof ant-proof intermediate-voltage special cable for the rail traffic. The cable comprises a conductor; a conductor shielding layer, an insulation layer, an insulation shielding layer, a wrapping layer, a metal shielding layer, a water blocking layer, a flame-retardant layer, an inner sheath, a metal armored layer, and an outer sheath are arranged successively outside the conductor, wherein the conductor shielding layer, the insulation layer, and the insulation shielding layer re in a three-layer co-extruded manner. The innersheath is an extruded halogen-free low-smoke flame-retardant oxygen barrier layer formed by wrapping of two alkali-free glass tapes. The outer sheath is formed by extruding an optical cement by a low-smoke halogen-free fire-retardant rat-proof ant-proof high-polymer material; and the optical cement has the thickness of 10 to 20 microns. The outer sheath is a polyvinyl chloride outer sheath; and awhite-ant-proof plant additive that is non-toxic and is harmless to the human body and the environment is added into the outer sheath. The cable has characteristics of excellent environmental protection effect and good low-smoke, halogen-free, flame-retardant, waterproof, anti-ultraviolet radiation, rat-proof, and ant-proof performances and the like.

The invention provides a dual-functional baffle for rodent control and flood control in a substation and a monitoring system thereof. The dual-functional baffle includes a dual-functional baffle body, an electrodynamic mechanism driving the dual-functional baffle body to move, an ubiquitous Internet-of-Things optical transceiver in signal connection with field equipment, the dual-functional baffle body and the electrodynamic mechanism, a serial port optical fiber concentrator in fiber connection with the ubiquitous Internet-of-Things optical transceiver, and a monitoring center connected with the serial port optical fiber concentrator; the monitoring center includes a terminal PC, a mobile phone terminal and a cloud server. The dual-functional baffle has the dual functions of rodent control and flood control simultaneously and can run intelligently and independently, the working conditions of the baffle for rodent control and flood control can be monitored online intensively and remotely, and an original time-consuming and laborious manual patrol management method can be completely replaced. When a flood season comes, manual sandbag blocking is not needed, and the situations can be avoided that people forget installing or closing the rodent control baffle, and serious potential safety hazards caused by automatic baffle faults such as incomplete closing and close failure of the baffle cannot be found in time; thus various error factors of manual management can be avoided.

The invention relates to a video camera special for city road monitoring. The video camera is mainly characterized by comprising a main control module, a special DSP (Digital Signal Processor) for high light masking, an intelligent control module, a video camera, an image processing module, a storage module, a power supply control module, a dimming module, an infrared secondary light source module, a temperature control module, a temperature sensor, a constant-current conversion voltage-stabilizing module and a circuit protection module, wherein the special DSP for high light masking, the image processing module, the temperature control module and the temperature sensor are respectively connected with the main control module, the video camera is connected with the main control module through the intelligent control module and the special DSP for high light masking, and the power supply control module supplies power to the infrared secondary light source and the dimming module according to preset time under the control of the main control module. The video camera has high definition, low luminance and good stability, has the functions of high light masking, back light automatic compensation, white balance automatic regulation, high-speed electronic shutter and the like, and meets the requirement of city road monitoring.

The invention discloses an inorganic fireproof sleeve type mineral insulated flexible fireproof cable, which comprises a wire arranged in a heat insulation layer and wrapped with an inorganic composite insulation layer, and an inorganic fireproof cable filled between the inorganic composite insulation layer and the heat insulation layer. Heat-insulating fire-proof filler, aluminum-plastic composite tape waterproof layer and low-smoke and halogen-free outer sheath wrapped around the outer peripheral surface of the heat-insulation layer; between the aluminum-plastic composite tape waterproof layer and low-smoke and halogen-free outer sheath Inorganic fireproof sleeve, the inorganic fireproof sleeve is composed of a glass fiber braid wrapped around the outer peripheral surface of the waterproof layer of the aluminum-plastic composite belt and a mixed glue coated on the surface of the glass fiber braid, after 90 ° C ~ 95 ° C, 3 ~ 5h heat curing made. The invention has the advantages of having the fire-proof characteristics of a type mineral insulated cable, simple production process, production in arbitrary lengths, various specifications, high strength and good flexibility, and convenient installation and laying.

The invention discloses a negative oxygen ion releasing constant temperature heating and ventilating system and belongs to the technical field of heating and ventilating. The system comprises a ventilating box, wherein a heating device is arranged on the left side of an inner cavity of the ventilating box; and negative oxygen ion cloth bag air hoses are uniformly connected to the outer side of a supporting rod in a sleeving mode. The negative oxygen ion cloth bag air hoses of the device are light in self weight, low in bearing demand, high in construction speed and short in time, can be repeatedly cleaned and used, and have antibacterial and flame-retardant effects. The negative oxygen ion cloth bag air hoses are mounted and detached conveniently in the presence of zippers. Adjacent two negative oxygen ion cloth bag air hoses are connected conveniently by matching a male magic tape with a female magic tape; the negative oxygen ion cloth bag air hoses release negative oxygen ions to degrade and neutralize harmful gas in air effectively, so that the air quality is improved; wind permeates from the negative oxygen ion cloth bag air hoses from inside to outside, the heat conductivity coefficients of the negative oxygen ion cloth bag air hoses are low, and no insulating materials are used for reducing diffusion of heat of hot air, so that the energy-saving effect is better.

The invention discloses a novel electric welding factory building. The electric welding factory building comprises a cuboid-shaped workshop, wherein the cuboid-shaped workshop is airtight; one end of the cuboid-shaped workshop is provided with a sealing door; an air feeding device is arranged on the lower portion of one of two opposite walls of the workshop; an air discharging device is arranged on the upper portion of the other one of the two opposite walls of the workshop; the air feeding device comprises a plurality of elongated air inlets; the inside of each air inlet is detachably connected with an air guiding plate; a dustproof gauze covers the air feeding device; the air discharging device consists of a plurality of exhaust fans and an air guiding tank; and the air guiding tank is positioned outside the workshop, collects air extracted by the exhaust fans and discharges the air upwards. The workshop is airtight, the circumstance that wind enters the workshop from all directions is avoided, an air channel can be formed, dust is prevented from diffusing in the workshop, and an effect of preventing dust, rats, mosquitoes and the like can be achieved.

The invention discloses a heat preservation quilt for a beehive, and relates to the field of a heat preservation quilt. The heat preservation quilt comprises a first-class folding quilt block, a second-stage folding quilt block and a beehive body, wherein the second-stage folding quilt block is fixedly connected to one side of the bottom of the first-stage folding quilt block, an A end of a third-stage folding quilt block is fixedly connected to the bottom of the second-stage folding quilt block, a B end of the third-stage folding quilt block is fixedly connected to the bottom of the A end ofthe third-stage folding quilt block, a quilt block A is fixedly connected to one side of the B end of the third-stage folding quilt block, a quilt block B is fixedly connected to the other side of theB end of the third-stage folding quilt block, and a quilt block A is fixedly connected to the other side of the A end of the third-stage folding quilt block. The heat preservation quilt has the effects of heat preservation, and being fireproof, rainproof, moistureproof, windproof and the like. When being used, the heat preservation quilt is not influenced by regions and environment, can be used in south and north, can meet propagating and transferring requirements of bees in spring under varied environment, and is an ideal selection for bee colonies living through the winter and propagating and subjected to heat preservation in early spring.

The invention discloses a special cable for a rail transit subway safety door power and signal transmission system and a preparation method thereof. The cable comprises a circular filling body arranged in the center of the cable. A plurality of insulation wire cores are arranged around the circular filling body. A low hardness soft low smoke halogen-free polyolefin sheath layer with the thickness of 1.0 to 3.0mm is directly extruded outside the insulation wire core. The cable is a subway safety door special power and signal transmission cable designed for the features and application environment of a rail transit subway safety door, the cable has excellent electrical performance and stable and reliable transmission performance and has the performance of low smoke, no halogen, high flame retardancy, flexibility and easy bending, mouse bite prevention and ultraviolet aging resistance and has the advantages of comprehensive and powerful comprehensive environmental protection functions, a compact product structure, easy laying, and high practicality.

The invention discloses a water-resistant rat-proof anti-termite cold-resistant soft power cable and relates to the technical field of cables. The soft power cable comprises a 5-class soft structure copper conductor and a halogen-free low-smoke inflaming-retarding polyolefin sheath layer. The 5-class soft structure copper conductor is wrapped by crosslinked polyethylene insulation layer to form wire cores, and the four wire cores are wrapped by a halogen-free low-smoke inflaming-retarding belt to form a cable core. A halogen-free low-smoke inflaming-retarding fillign rope is arranged in the cable core, a water-resistant belt is arranged on the outside of the cable core in a winding mode, and the rat-proof anti-termite cold-resistant halogen-free low-smoke inflaming-retarding polyolefin sheath layer wraps the water-resistant belt. The 5-class soft structure copper conductor is adopted, flexibility of the cable structure is ensured, the cable is easy to bend, adopted non-metal materials are all halogen-free inflaming-retarding materials, no halogen is released under fire, no secondary harm is caused, and the cable is good in the whole inflaming retarding performance and capable of achieving A-class beaming group burning effects. The cable sheath adopts the halogen-free low-smoke inflaming-retarding polyolefin material, so that the cable is water-resistant, rat-proof, anti-termite, cold-resistant, environmentally friendly, and suitable to be used in the district with the environment temperature of -40 DEG C.

The invention discloses an inorganic fireproof sleeve type mineral insulated flexible fireproof cable, which comprises a wire arranged in a heat insulation layer and wrapped with an inorganic composite insulation layer, and an inorganic fireproof cable filled between the inorganic composite insulation layer and the heat insulation layer. Heat-insulating fire-proof filler, aluminum-plastic composite tape waterproof layer and low-smoke and halogen-free outer sheath wrapped around the outer peripheral surface of the heat-insulation layer; between the aluminum-plastic composite tape waterproof layer and low-smoke and halogen-free outer sheath Inorganic fireproof sleeve, the inorganic fireproof sleeve is composed of a glass fiber braid wrapped around the outer peripheral surface of the waterproof layer of the aluminum-plastic composite belt and a mixed glue coated on the surface of the glass fiber braid, after 90 ° C ~ 95 ° C, 3 ~ 5h heat curing made. The invention has the advantages of having the fire-proof characteristics of a type mineral insulated cable, simple production process, production in arbitrary lengths, various specifications, high strength and good flexibility, and convenient installation and laying.

The invention discloses a composite material cable reinforcing core and a cable which uses the reinforced core, which is characterized in that the composite material cable reinforcing core is made of mixed fiber material; furthermore, the mixed fiber material is used as a substrate, is then dipped in a high-polyester composite liquid, enters a die hole and is extruded and stretched as a rod-shaped substrate; furthermore, the rod-shaped substrate is coated and plasticated with a layer of high-hardness anti-bending flame-retardant PVC high-elasticity material; and the mixed fiber material cable reinforcing core is made of polyester aramid fiber material with high elasticity and large tensile coefficient and fiberglass which can naturally resist the gnawing of animals such as rats, white ants and the like. The composite material cable reinforcing core and the cable have the beneficial effects that the composite material cable reinforcing core and the cable which uses the reinforced core have small bending radius, resist folding, have small dimension (2mm multiplied by 3mm), resist the gnawing of animals such as rats and the like, have light weight, large transmission information capacity, quick speed, extremely convenient installation, construction and pavement and long service life, and are more applicable to the indoor occasions such as buildings, hotels, offices, warehouses, and the like.

The invention belongs to the technical field of communication, and relates to an anti-electromagnetic field powerful optical cable. The anti-electromagnetic field powerful optical cable solves the technical problems that the prior art has low structural strength, poor performance and the like. The anti-electromagnetic field powerful optical cable comprises a center reinforcer and a plurality of cable cores, wherein a loose bushing is sleeved on the periphery of each cable core respectively; a fiber paste for enclosing and protecting the cable core is arranged in the loose bushing; the loose bushing is intertwisted around the center reinforcer; the periphery of the loose bushing is provided with a first protective cover for covering each loose bushing; the periphery of the first protective cover is provided with a plurality of galvanized steel wires enwound on the first protective cover; and the peripheries of the galvanized steel wires are provided with second protective covers for covering each galvanized steel wire. The anti-electromagnetic field powerful optical cable has the following advantages that: 1, the weatherability is good, the high and low temperature properties are excellent, and optical fibers have no hydrogen losses caused by the oxidation of phosphorized steel wire or steel strips; 2, the tensile strength, lateral pressure resisting intensity and impact resistance are high, metal components are completely isolated from the cable cores, and the optical cable can also be used normally in a strong electromagnetic field environment; and 3, the structure is compact, the production process is simple, and the optical cable can be produced by using existing equipment.

The invention relates to the technical field of cables and in particular relates to a cable for elevators, and provides a rat-proof termite-proof low-smoke low-halogen leadless flame-retardant control cable for elevator shafts, which comprises a sheath and a cable core arranged in the sheath, wherein the cable core comprises a conductor and an insulating layer arranged outside the conductor, the sheath is a polyvinyl chloride sheath made of a polyvinyl chloride insulating material, and the polyvinyl chloride insulating material has rat-proof, termite-proof, low-smoke, low-halogen, leadless and flame-retardant properties. By using the technical scheme, the cable has the rat-proof, termite-proof, low-smoke, low-halogen, leadless and flame-retardant effects, and also has the advantages of flexibility, elasticity and firm structure.