511results about How to "Reduce falls" patented technology

The invention discloses a human body falling monitoring method and a device based on acceleration and height information. The device comprises a sensing module, a processing and controlling module, a communication module, a wear detecting module and a power supply module. The sensing module provided with an accelerometer and a height gauge is connected with the processing and controlling module based on a low power consumption single chip computer, and continuously monitors the acceleration and height change of a wearer in daily activities. The wear detecting module checks the wearing method of the device. The processing and controlling module starts a bluetooth communication module to send alarm information when the device judges that the wearer falls according to collected acceleration and height data. A wearing buckle capable of being placed on a waistband of the wearer comprises a magnet, and therefore the device is capable of inspecting whether position-wearing is achieved. The human body falling monitoring method and the device based on the acceleration and the height information has the advantages that falling occurrence can be found accurately and timely by means of combination of continuously monitored acceleration information and height information, energy consumption is reduced by means of a low-power design and high energy efficiency management, and therefore long-term and continuous working is achieved.

The invention discloses a rib-pillar-free continuous sublevel filling method for mining preparation in a medium-thickness slope crushed ore body vein. The method comprises the following steps of: dividing a mine block into panel structures with a plurality of sections and bunches, namely dividing sections in a panel, not leaving a rib pillar in the sections, and dividing continuous extraction units; arranging a slope ramp of the panel on an ore body hanging wall, and arranging sectional roadways namely rock drilling ore removal gate ways in the vein; making all the sectional roadways in the panel mutually communicated, and the allocation and transportation of trackless equipment flexible and convenient; performing quarry central up cutting before the extraction, and ensuring the deep hole construction in a quarry upward sector in good conditions; performing operation such as multiple-section quarry rock drilling, blasting, supporting, ore removing, filling and paralleling; using a rib-pillar-free continuous extraction way backing from two wings of the panel to the center in the same sectional quarry, wherein an extraction process is performed sequentially; and filling a gob with tailings or waste stones. The invention relates to the rib-pillar-free continuous sublevel filling method suitable for medium-thickness slope crushed ore bodies, which has a low mining preparation ratio, low loss and high efficiency and the extraction is safe.

The invention discloses a central outside-vein house pillar type combined crosscut two-end inside-vein continuous segment filling mining method for medium-thickness inclined crushed phosphorus ores. The method comprises the following steps: dividing an ore into middle segments, dividing each of the middle segments into panels, dividing each of the panels into segments, dividing the center of each of the segments into ore houses and ore pillars, and dividing two ends of each of the segment along an inside-vein drilling ore-removal level non-pillar into recovery units; adopting a hanging side outside-vein trackless mining system which is formed by a panel ramp, a concentrated ore-removal ore-pass, segment levels at the central outside-vein and shifting to inside-vein at two sides, and an connection lane commonly used by the ore houses and the ore pillars; recovering the ore houses in the middle segments, filling close to back, and recovering the ore pillars; and carrying out parallel operations of technologies comprising drilling, exploding, supporting, ore removal, filling and the like of a plurality of the ore houses to realize continuous mining. The method disclosed in the invention has the substantial characteristics of improvement of the recovery safety and the panel productivity, reduction of the resource dilution rate and the mining-cutting ratio, increase of enterprise benefits and the like.

The invention relates to a casting method for casting the three-way ventilate branch tube of thin-wall iron element, which comprises: (1), using the curvature formed by the central line of C exhaust open and the central line of A exhaust tube, to make the C and A exhaust opens above the parting surface, to be shaped via upper and lower outer moulds; the tube core and sand core are put via the serial number, and it uses pour system that combines side pour and bottom pour with contract cap and cold iron; (2), preparing outer mould, core box, section sheet, pour cap, and the wood mould that checking sample plate; (3), preparing the casting element and sand core; (4), drying the casting element and the sand core, and closing the tank after arranging the sand core; (5), smelting and pouring; (6), cooling and molding; (7), cleaning the casting element; (8), thermally treating; (9), testing the water pressure. The invention can improve the quality of casting element, and improve the producing efficiency.

In this disclosure, air flow is formed above chemical liquid film and a move of the chemical liquid is generated by making the air flow into a contact with the surface of chemical liquid. Further, a negative pressure is generated in a space between a processing object substrate and a plate by rotating the plate. Consequently, uniformity of processing of chemical liquid is improved, so that liquid removing step can be carried out effectively. As a result, yield rate of chemical liquid treatment can be improved.

The invention relates to a glass fiber reinforced plastic cable channel cover plate and a production method thereof. The cover plate is a rectangular hollow belly structure, longitudinal stiffening ribs are arranged in the hollow belly of the cover plate and the upper surface of the cover plate is provided with strip-shaped antiskid grains; the invention comprises the following raw materials: unsaturated polyester resin, curing agent, packing, polyvinyl alcohol solution, pigment, fiberglass roving and fiberglass felt; the invention comprises the following steps: (1) arranging a tooling equipment on an extrusion molding machine; (2) mixing and pouring the raw materials in a resin tank; and (3) inducing the fiberglass roving and the fiberglass felt through immersion, a performing device, a forming device, curing and cutting. The cover plate has high strength, smooth surface, neat and beautiful appearance, corrosion resistance of alkali, acid, petrol and the like, aging resistance, long service life without pulverization, discoloration, crack, deformation and the like. The invention ensures the safe operation of cables and prolongs the service life of the cables.

The invention provides a film of an yttria-alumina complex oxide having a high peel strength with respect to a substrate. A mixed powder of powdery materials of yttria and alumina is sprayed on a substrate to form a sprayed film made of an yttria-alumina complex oxide. Preferably, the powdery material of yttria has a 50 percent mean particle diameter of not smaller than 0.1 .mu.m and not larger than 100 .mu.m, and the powdery material of alumina has a 50 percent mean particle diameter of not smaller than 0.1 .mu.m and not larger than 100 .mu.m. Preferably, the yttria-alumina complex oxide contains at least a garnet phase, and may further contain a perovskite phase.

The invention relates to the use of an anabolic amino acid derivative stimulus acting in combination with vitamin D for the manufacture of a medicament or nutritional composition for the prevention and/or treatment of a loss of any one of muscle mass, muscle strength, muscle function, and physical function, or any combination thereof, in a mammal.

The present invention provides a rubbing cloth for use in manufacturing liquid crystal display panels which consists of a velvet fabric having a ground sheet texture comprising warps and wefts, and pile yarns woven to the ground sheet texture in the warp direction, wherein synthetic fibers as the warps were woven with combination of different tensions of the synthetic fibers, or the ground sheet texture comprises warps with combination of different feed lengths, so that the pile yarns are stably inclined.

The invention discloses an anti-tumbling waist protection device which comprises a back belt, a waistband and shoulder girdles used to connect the back belt with the waistband, wherein the back belt, waistband and shoulder girdles are formed through integral shaping; a first wearable safety airbag is disposed in the waistband; a second wearable safety airbag is disposed in the back belt; 3D motion sensors are placed in the first wearable safety airbag and the second wearable safety air bag; a control box and a chargeable battery connected to the control box are disposed in the waistband; and two ends of the waistband are connected tightly by a male buckle and a female buckle. In comparison with the prior art, the anti-tumbling waist protection device disclosed by the invention is characterized that inflation can be completed quickly and the air bags can be popped out with application of the wearable safety airbags under cases such as tumbling of an old person, so that effective damping is achieved, the old person is protected from harm, and the airbags can relieve over 90% of impact force; and meanwhile, a rescue call can be made, and the life can be enriched by activities such as voice navigation, music listening and radio listening.

The invention belongs to the technical field of intelligent robots, and particularly relates to an anti-falling protection device for a wheeled robot. The following scheme is provided for solving theproblems that in the using process of an existing wheeled robot, when the existing wheeled robot encounters a bumpy road surface, the existing wheeled robot often falls due to the fact that the existing wheeled robot cannot keep balance, and the robot is undoubtedly damaged. The anti-falling protection device for the wheeled robot comprises a base, a robot body is fixedly mounted at the top of thebase, protective seats are arranged on the periphery of the robot body, mounting cavities are formed in the protective seats, and pop-up grooves are formed in the inner walls of one sides of the mounting cavities. When the robot body encounters an abnormal route, on one hand, the situation that the robot body falls when passing through the abnormal road section can be reduced by adjusting the gravity center of the base, and on the other hand, arc-shaped anti-collision plates can be popped up from the pop-up grooves, so that the situation that the robot body falls when passing through the abnormal route, and consequently the exterior of the robot body is damaged is prevented.

The invention discloses an urban and rural planning layout display device. A motor is started, and four screw rod are driven to rotate synchronously by meshing action of a first gear and a second gear, so as to drive the sliding protrusion to move downward or upward. When the slide bump moves upward, the curved support bar moves upward. The overall height of the U-shape plate is lowered, the anti-skid pad is separated from the ground, the universal wheel is in contact with the ground, the display board can adjust the horizontal lay process by a rotary adjustment mechanism, thereby providing convenience for people to discuss and use the process, and the anti-skid pad is separated from the ground by a lifting adjustment mechanism, so that the universal wheel supports the whole device and isconvenient to move, and on the contrary, the placement stability is improved. The invention saves time and labor in the operation process, can be stored inside the lid frame, and can be placed in a window type to reduce dust falling into the lid frame, and can also store the viewed urban and rural planning map through a storage box, thereby reducing the possibility of damage, prolonging the storage time of display information, and prolonging the service life of the lid frame.

The invention provides a three-stage thermal field of a polysilicon ingot furnace, which can efficiently reduce the phenomenon that carbon powder falls into liquid silicon because of relative movement between the peripheral insulation part and the top insulation part in a growth process of a silicon ingot. The three-stage thermal field of the polysilicon ingot furnace comprises a furnace chamber,wherein the furnace chamber is internally provided with a top insulation layer, a peripheral insulation layer and a bottom insulation plate, the top insulation layer, the peripheral insulation layer and the bottom insulation plate form an insulation cavity in a closed state, the insulation cavity is internally provided with a top heater, a peripheral heater and a directional solidification block,and a gas inlet pipe which exhausts gas downwards is arranged at the top insulation layer. The three-stage thermal field of the polysilicon ingot furnace is characterized in that the peripheral insulation layer comprises an upper part insulation layer and a lower part insulation layer, wherein the outside edge surface of the upper part insulation layer is connected with an external fixing seat ina fastening way, the external fixing seat is connected with the inner wall of the furnace chamber in the fastening way, the outer wall of the lower part insulation layer clings to the inner wall of the upper part insulation layer, the outside edge surface of the lower part insulation layer is connected with a vertical connecting rod, and the connecting rod is connected with a drive structure which drives in a vertical direction.

The invention discloses an ecological fish tank system. The system comprises a breeding tank for storing water and breeding fish, an ecological filter tank which is communicated with the breeding tank and is used for converting ammonia nitrogen into nontoxic nitrate, and an ecological repairing tank which is communicated with the breeding tank and the ecological filtering tank and is used for planting aquatic plants and absorbing nitrate, wherein water in the ecological repairing tank vertically flows into the breeding tank, and is dissolved into oxygen in the flowing down process. According to the ecological fish tank system, the natural ecological balance principle is utilized to achieve the aim that water is not needed to be changed for a fish tank, so that water resources are greatly reduced, the labor cost is reduced, the stability of a water environment in the breeding tank is ensured, external hard water is prevented from being brought in, fish survival is benefited.