47results about How to "Isolate the spread" patented technology

The invention belongs to the technical field of mobile rooms, and particularly relates to a mobile room with high safety. The mobile room is provided aiming at the problem that a mobile room is not provided with an alarming detection device when a steel structure is pressed and is about to be deformed. The mobile room comprises a base, rectangular frames are welded to the portion, close to the twoends, of the upper surface of the base, beam supporting rods are welded to four corners of the two rectangular frames, a side plate is fixed between every two adjacent beam supporting rods through bolts, four groove-shaped slide rails are welded to every two opposite side plates perpendicular to the base, and rectangular slide blocks are slidably connected to slide grooves of every four groove-shaped slide rails. By means of the mobile room, the pressure of the outside can be effectively resisted; meanwhile, when the supporting rods are stressed and are about to be deformed, the situation canbe timely detected through a stress detector and timely fed back to a control side and an alarming device, and people can be timely informed to escape or save themselves.

The invention discloses medical self-service terminal equipment which comprises a medical self-service terminal main body. An operation panel is arranged at the top of the medical self-service terminal main body, a mounting cabinet is arranged at the bottom of the medical self-service terminal main body, and lifting guide grooves are fixedly connected to the two sides of the operation panel. And acleaning box is arranged on the outer side of the operation panel, the two ends of the cleaning box are fixedly connected with two side protruding plates correspondingly, and the side protruding plates at the two ends of the cleaning box are slidably connected into the two lifting guide grooves correspondingly. According to the invention, after the equipment is used every time, a stepping motor is controlled to drive the cleaning box to ascend and descend for one time, disinfectant is sprayed out for disinfection, and after the cleaning box reaches the top, the stepping motor can be controlled to drive the cleaning box to descend for wiping so that the use safety and convenience of the medical self-service terminal main body are greatly improved.

An automatic explosion-proof water curtain device for mines with the function of dust suppression according to the present invention comprises rotating shafts arranged sequentially from the inside to the outside, the inner pipe and the outer pipe can be rotated, the rotating shaft and the inner pipe are welded and connected by welding pieces, and the outer pipe Set on the outside of the inner tube; the surface of the inner tube is provided with an atomizing nozzle and a water curtain opening, the atomizing nozzle is located on the side wall of the inner tube, and the water curtain opening is located on the upper part of the inner tube; the outer tube includes a liquid outlet, a waterproof sealing cover and a pressure The water supply pipe, the liquid outlet is arranged on the side wall of the outer pipe, and is arranged in cooperation with the atomizing nozzle of the inner pipe. The pressure water supply pipe and the waterproof sealing cover are respectively arranged at both ends of the outer pipe, and the rotating shaft is set through the waterproof sealing cover. Hit the panel, and the waterproof sealing cover is provided with a limiting part to realize the limited rotation of the rotating shaft. The device can greatly reduce the cost of installation and maintenance of the two types of equipment, and reduce the potential safety hazards caused by the failure to store water in the explosion-proof water bag in time. When the explosion occurs, the water curtain will be released automatically to isolate the explosion flame, control the scope of the disaster and reduce the disaster loss. .

The invention relates to the technical field of a motor and discloses a novel noise-reduction and easy-heat-dissipation motor, which comprises a base. The top of the base is fixedly equipped with a housing. The housing is internally and fixedly equipped with an isolation ring. The isolation ring is internally and fixedly equipped with a separator plate, one end of which is fixedly connected with the base. The inner left side of the housing is fixedly equipped with a fixation ring. The fixation ring is internally and fixedly equipped with a first bearing. The first bearing is internally and fixedly equipped with a rotating shaft. The novel noise-reduction and easy-heat-dissipation motor has the advantages of good heat dissipation effect and noise reduction and the like, and solves two majorproblems of existing motors caused in the use process: one problem is that the motor produces noise in the motor rotation process, and the other problem is that the motor produces a lot of heat in the use process, and although air cooling can effectively solve the problem of heat dissipation of the motor, dusts can easily get into the motor, which accelerates the wear rate of internal componentsof the motor.

The invention relates to the technical field of underground protective engineering, and discloses a smoke removing, wave absorbing and flame retarding device which comprises an outer box, an inner box, a smoke inlet pipe, a fixed plate and a movable plate. The inner box is arranged in the outer box, one end of the smoke inlet pipe is located on the outer side of the outer box, the other end of the smoke inlet pipe penetrates through the side wall of the outer box to be communicated with the inner box, the fixed plate is connected with an opening in the bottom end of the inner box and extends towards the inner wall of the outer box, a gap is formed between the fixed plate and the bottom of the outer box, and the movable plate is arranged above the fixed plate in a floating mode and provided with a plurality of first air holes. A plurality of first air holes are formed in the outer box, a plurality of second air holes are formed in the movable plate, and the first air holes and the second air holes are staggered, so that when the movable plate sinks to be in contact with the fixed plate, the first air holes and the second air holes shield and seal fluid flow in the outer box, dust removal liquid is arranged in the outer box and the inner box, and a smoke outlet is formed in the outer box. The invention further discloses a power station with the power station, and the power station has the beneficial effects that the damage such as low-pressure quick combustion (detonation) and expansion while blasting is effectively defended.

The invention discloses a combustion and explosion suppression system with automatic water curtain, comprising a sensor, a control unit, a water supplying device, a water curtain device and a fast triggering device, the sensor is electrically connected with the control unit, a connecting channel is arranged on the fast triggering device, two ends of the connecting channel are respectively communicated with the water supplying device and the water curtain device; a movable opening device is arranged on the connecting channel and is electrically connected with the control device; the water curtain device comprises at least one water curtain ring, a plurality of injection heads are uniformly arranged on the water curtain ring, and an injection water curtain is formed when in water-spraying, and a plurality of water curtain rings form one water curtain band when in water-spraying, so as to realize to suppress gas or gas dust explosion and spreading by adopting water mist in a coal mine, the reaction speed is rapid, the structure is compact and the manufacturing cost is low, thereby having good combustion an explosion suppression effect, being widely applied to industries such as coal mines, petroleum and chemical industry and powerfully promoting the development of explosion insulation (suppression) in our country.

The invention discloses a portable notebook computer vibration-isolation platform. The main body of the platform is provided with foldable legs, and the lower part of the main body of the platform is provided with a vibration-absorbing system. Elastic ropes, all the elastic ropes are arranged in parallel; one of the elastic ropes is provided with a mass ball, and the remaining elastic ropes are provided with two mass balls, and all the mass balls are arranged in a "V" shape along the length direction of the main body of the stand. A vibration isolation mechanism is provided at the end of the leg, the vibration isolation mechanism includes a vibration isolation mechanism main body and a measurement and control module, the vibration isolation mechanism main body is a closed body with a cavity inside, and the cavity of the vibration isolation mechanism main body contains Magneto-rheological fluid, an electromagnet and a piston are also arranged in the cavity of the main body of the vibration isolation mechanism, and the piston is fixedly connected to the support foot through the piston rod. The invention has the beneficial effects of absorbing vibration and being able to actively isolate the carrier vibration from propagating to the notebook.

The present invention proposes a novel anti-virus multifunctional wearable protection device, which includes a headgear, a multifunctional air filter integrated device and an air filter bag; the multifunctional air filter integrated device is provided with a face cover, a bottom cover and a neck strap, so The bottom cover is provided with a centrifugal fan and a USB power supply module, a USB Type-C jack is provided on the top of the bottom cover, and pressure buckles and neck strap holes are respectively provided on both sides of the top; An air suction port is provided at the corresponding position of the fan, and a protection bar for the air suction port is provided at the air suction port, a main switch is provided in the bottom cover to control the opening and closing of the power supply, and a power switch button is provided at the corresponding position of the surface cover; The air filter bag includes a bag body, a sealing port and a through hole; a transparent mask is arranged on the headgear. The novel anti-virus multifunctional wearable protection device of the present invention is novel in design, easy to use, capable of isolating the spread of viruses and protecting the safety of personnel, and is suitable for preventing infection of healthy people or isolating infection of infected persons.

The light-weight environment-friendly elastic sound insulation composite material is prepared from the following raw material components in parts by mass: 5 to 20 parts of butyl rubber, 5 to 20 parts of styrene elastomer, 20 to 50 parts of floating bead, 10 to 50 parts of flame retardant, 2 to 15 parts of plasticizer, 20 to 200 parts of inorganic filler and 2 to 5 parts of auxiliary agent. The sound insulation pad comprises a sound insulation rubber layer and wrapping layers, the sound insulation rubber layer is formed by plasticizing a light-weight environment-friendly elastic sound insulation composite material, and the wrapping layers are connected to the upper surface and the lower surface of the sound insulation rubber layer in a calendering mode to form a three-layer structure in a composite mode. According to the technical scheme, environment-friendly raw materials are adopted, the composite material comprises butyl rubber and a styrene block copolymer which are all-hydrocarbon-structure high-molecular compounds, the composite material is low in VOC and free of formaldehyde, a halogen-free flame retardant is adopted, and during combustion, low smoke and low smoke toxicity are achieved, and no toxic gas such as hydrogen chloride and dioxin is released; and the floating beads, the inorganic filler and the like are natural materials, and are environment-friendly and non-combustible.

The invention relates to the technical field of papermaking and in particular relates to a method for preparing flame-retardant composite stone paper. According to the method disclosed by the invention, polypropylene is modified to obtain polypropylene fibers first, talcum powder is modified by utilizing a titanate coupling agent TMC-201, then magnesium silicate in the talcum powder is heated to lose crystal water, and finally the flame-retardant aim is achieved. The titanate coupling agent TMC-201 has a flame-retardant pyrophosphate acyloxy group. A fireproof flame-retardant film is formed onthe surface of stone paper in the combustion process, so that the flame-retardant property of the stone paper is improved. Diatomite and bauxite are modified by utilizing the titanate coupling agent,so that the interface adhesive strength between the resin and inorganic particles is improved. Wollastonite and calcium carbonate are continuously added, and because the wollastonite and calcium carbonate have excellent heat stability and heat insulation property, propagation of heat is isolated, an excellent synergistic effect is achieved, and the flame-retardant effect is further achieved. Thecomposite stone paper has wide application prospects.

A noise reducing device comprises a box and a base. The box is arranged on the base. The box is in an ellipsoid shape and is composed of an upper sphere and a lower sphere. The edge of the box is provided with a fixed shaft. The upper sphere and the lower sphere can be combined to form an ellipsoid. Through the other end of the fixed shaft, the upper sphere and the lower sphere can be separated; the air in the gap can be exhausted by a vacuum pump to change the concentration of air in the gap so as to form a vacuum environment in the gap, the noise is insulated by the vacuum, at the same time, the inner sphere and the outer sphere are provided with a homo-polar polar plate, the homo-polar plates will generate a repulsion force (homo-polar repulsion theory) to counteract the atmospheric pressure, thus the decibel value of noise in the box is smaller than a preset value, the quality of sleep and rest is improved, the noise pollution is reduced; an air duct is arranged in the base arranged on the lower end of the box, the air duct is bent to an angle of 90 to 180 degrees to impede the sound transmission, and thus the air duct can supply air to the box and insulates the sound at the same time.

The invention discloses a halogen-free flame-retardant fiber cloth derived from alginic acid and a preparation method thereof, and relates to the technical field of flame-retardant fabrics. A halogen-free flame-retardant fiber cloth of alginic acid derivatives, including alginic acid derivatives, a halogen-free flame retardant, and fiber cloth. The alginic acid derivatives are self-polymerizing flexible macromolecules of phosphorus and silicon alginate. During the impregnation process of the fiber cloth, the alginic acid derivatives are adsorbed on the surface of the fiber cloth, and the exposed silicon hydroxyl groups will undergo esterification reaction with the alginic acid derivatives during the post-heating process, and the silicon hydroxyl groups will dehydrate and self-condense to achieve macromolecules, thus forming A cross-linked flexible polymer flame retardant film is coated on the surface of the fabric fiber to obtain a semi-permanent flame-retardant fiber cloth. The halogen-free flame retardant further increases the flame-retardant performance of the fiber cloth. This flame-retardant fiber cloth Excellent flame retardancy and no dripping.