230results about How to "Prevent drowning" patented technology

Apparatus for handling and controlling the nurturing of plants comprises a greenhouse for providing a first environmental zone for nurturing plants, a plant warehouse for providing a second environmental zone for nurturing plants, transport rails extending from within the first environmental zone to within the second environmental zone, and a plurality of ebb and flood trays. The first environmental zone is located in the greenhouse in a region positioned to receive substantial amounts of sunlight. The second environmental zone is located in the warehouse in a region substantially sheltered from sunlight. The ebb and flood trays each include a valve for controlling fluid flow into and out from a flood region within the tray. The valve includes means for receiving a fluid flow from an external source of fluid through a top end of the valve and, in response to the flow, for diverting the flow into the flood region of the tray. Further the valve includes means responsive to the absence of the flow for permitting fluid from the flood region to drain through a bottom end of the valve. A method of handling and controlling the nurturing of plants in an ebb and flood tray includes the steps of maintaining first and second environmental zones for nurturing plants; maintaining transport rails extending from within the first environmental zone to within the second environmental zone, adapting the tray for riding movement on the rails, positioning the tray on the rails for such movement, and carrying the plants in the tray. The first zone is located in a structure in a region positioned to receive substantial amounts of sunlight. The second zone is located in a structure in a region substantially sheltered from sunlight. At a first time, and if a first prescribed condition is satisfied, the tray with the plants is moved along the rails from within the first environmental zone to within the second environmental zone. At a subsequent time, and if a second prescribed condition is satisfied, the tray with the plants is moved along the rails from within the second environmental zone to within the first environmental zone.

The invention provides vehicle and personnel safety protection systems of a vehicle during fording, and belongs to the field of vehicles. The vehicle safety protection system comprises an engine, a fording sensor and a fording protection control circuit; the actual fording depth of the vehicle is detected by the fording sensor, and a vehicle danger signal is transmitted to the fording protection control circuit when the actual fording depth is larger than or equal to an allowable fording depth; when the vehicle danger signal is received and then the engine is in an ignition state, the fording control protection circuit transmits a flameout signal to the engine and controls the engine to stop operation; and a disconnection signal is transmitted to a starting relay of the engine when the engine is in a flameout state, and the starting relay of the engine is controlled to be disconnected, so that the engine cannot be started in a forced manner. The vehicle and personnel safety protection systems have the advantages that the engine can be prevented from being damaged, and the safety of the vehicle and the safety of personnel are guaranteed when the vehicle fords.

The invention provides a processing method for pressure decrease of a carbonatite single well. The carbonatite single well is a volatile reservoir single well. The reservoir type of the single well is a cave reservoir. The formation pressure of the single well is smaller than saturation pressure of oil reservoir and degassing occurs. The method comprises following steps: 1), measuring formation pressure of the single well in order to obtain difference between saturation pressure of oil reservoirs and formation pressure of the single well, wherein the difference is ground saturation pressure difference; 2), obtaining geological reserves of the single well; 3), obtaining secondary gas volume of the single well according to geological reserves of the single well; 4), obtaining required water filling quantity for restoring formation pressure of the single well above saturation pressure of oil reservoirs according to specific pressure drop of oil production and secondary gas volume prior to degassing; 5), filling water to the single well. The technical scheme can obtain required water filling quantity for restoring formation pressure of the single well above saturation pressure of oil reservoirs and helps avoid the drowning single well during a water filling process.

A safety vest flotation system wearable by airline or water ferry passengers is folded and stowed below the seat. The vest is worn by slipping the head through a central aperture and securing the waist belt. Air chamber cells surround the chest. Plural pressurized air or oxygen cylindrical cartridges are integrally attached to the vest. These cartridges are activated to release their contents to air chamber cells. A breathing tube is connected to air chamber cells at the proximal end. The breathing tube has a closure valve midway and a mouthpiece at its distal end. During a cabin smoke event, the user dons the vest, activates the cartridges to inflate air chamber cells, places the mouthpiece in the mouth and opens the closure valve. Fresh air received through the tube prevents smoke induced affixation. During a water accident, the closure valve is closed to provide buoyancy and thereby prevent drowning.

The invention relates to a special bed for blood, in particular to a novel special bed for the flood. The invention aims at solving the technical problems to provide the novel special bed for the flood, which is not easy to overturn by the flood, not easy to drop into the flood, is movable at will and capable of moving to a safe position rapidly. In order to solve the technical problem, the novel special bed for the flood comprises a floating board, a bed, supporting rods, first motors, turntables and the like; the bottoms of supporting legs of the bed are provided with the floating board, the left side and the right side of the top of the floating board are symmetrically provided with the supporting rods, the top end of each supporting rod is provided with one first motor, and an output shaft of each first motor is connected with one turntable by virtue of a coupler. By virtue of a prompting apparatus, people can be reminded that the flood comes, so that people can be prevented from being drowned when in sleep; and the effects that the novel special bed is not easy to overturn by the flood, not easy to drop into the flood, movable at will and capable of moving to the safe position rapidly can be achieved.

The invention relates to an intelligent early-warning device for flood drainage. The intelligent early-warning device comprises a supporting mechanism arranged at a wellhead. A main controller is arranged at the top of the supporting mechanism. The main controller comprises a main control unit, an AD collecting module, an image collecting module, a GPS or a Big Dipper locating module and a wireless transmission module, wherein the AD collecting module, the image collecting module, the GPS or the Big Dipper locating module and the wireless transmission module are electrically connected with the main control unit. A pressure sensor used for collecting the water level of the road surface is arranged at the position, parallel to the road surface, of the bottom of the supporting mechanism and connected to the AD collecting module. The intelligent early-warning device further comprises a liquid level sensor used for measuring the water level of an underground deep well. An ultrasonic sensor is electrically connected with the main control unit through the AD collecting module. The liquid level sensor extends into the underground deep well through a connecting rod fixedly connected with the supporting mechanism. The intelligent early-warning device has the advantages that waterlogging in cities can be warned earlier in real time, and the situations that due to the fact that accumulated water is too deep, people are drowned, and vehicles wade into the water and are damaged can be avoided.

The invention is an amorphous bag designed and shaped, that when deployed, slipped around the body up to the neck and secured to a flotation means, so when floating in the ocean, provides a user deterrent protection from shark attack. It is sized to enclose a person, made of a flexible, impermeable, multi-colored, metallic polyester, and / or any material that can be formed into a thin film of a durable thickness; with the top end open, and bottom end sealed closed. The exterior has various camouflaging color patterns to disguise the device by blending in with the surrounding ocean to reduce the risk of shark attack. The interior is a reflective silver color for signaling to rescue craft. The amorphous bag further includes two flaps made of the excess material from the amorphous bag extending from front and rear sides of top open end. The seal created using excess material flaps substantially envelope a user to prevent leaking of body fluids that can escape and attract sharks. The cover provided by excess material flaps creates a thermal chamber which slows the onset of hypothermia or sun damage, thus increasing survival duration.

A waterborne alarm device and an application method thereof are disclosed. The device comprises an infrared sensor located on a shoreside and a grating sensor located in the water. Signal output terminals of the infrared sensor and the grating sensor are connected to a signal input terminal of a microcontroller 1 respectively. A signal output terminal of the microcontroller 1 is connected to a signal input terminal of a voice alarm module and a microcontroller 2 located on a guard room alarm. The signal output terminal of the microcontroller 1 is connected to a microcontroller 3 located on a lifesaving appliance on a water surface. When a person is close to a lakeside, arrives at a dangerous distance and does not fall into the lake, the voice alarm module carries out voice early warning. If a tourist accidentally falls into the water, a shoreside microcontroller 1 simultaneously transmits a signal to the guard room alarm and an intelligent lifesaving appliance in the water; the guard room alarm rings and simultaneously the lifesaving appliance is started so as to realize that the shoreside alarm rings, the lifesaving appliance in the water is started and overboard personnel can be rescued in a gold rescue time period. The device and the method of the invention possess characteristics of convenience, easy realization and high reliability.

A knapsack includes a main body, a strap, and a pull ring. The main body has a receiving space which has a mounting portion which is connected with an air inflation bottle which has an output terminal which has a pin. The strap has is connected with the main body and has a safety air bag which is connected to the output terminal of the air inflation bottle. The pull ring is extended into the strap and is connected with the pin. Thus, when the safety air bag is triggered, the safety air bag is expanded to surround the user's body, so that the knapsack can buffer the shock and protect the user's body.

A container is provided with child drowning protection in the form of a bottom wall that is contoured in a manner that (1) allows it to stand upright on a flat support such as a floor, shelf or shipping pallet, and (2) in the event that the container contains some water or other liquid and a toddler leans forward into the container, e.g., in an attempt to retrieve a toy that has fallen into the container, the weight of the child on the container will cause the container to tip over, thereby spilling the contents and preventing the child from drowning in the container. Containers embodying the invention may be provided with covers that facilitate stacking covered containers one on top of the other. Additionally, the containers may be formed with an inclined sidewall, whereby to permit a plurality of open empty containers to be nested one inside the other.

A water safety garment and apparatus configured to avoid drowning can be configured to permit submergence for a predetermined period of time without inflation. After the predetermined time has passed, the garment or other apparatus can be configured to inflate to help a person wearing the garment float on top of the water to avoid drowning or other potentially harmful condition that may result from being underwater for too long. In some embodiments, a circuit may be utilized to detect the submergence condition of a person wearing the apparatus or garment. Upon a determination that the detected submergence condition has occurred continuously for a pre-determined period of time, an inflation mechanism can be actuated to force the person wearing the apparatus or garment to float to the top of the water.

The invention discloses a greening irrigation system for sponge cities. The greening irrigation system comprises a water collecting device, a priming pump device, an aeration device and a greening device, wherein the water collecting device comprises a water collecting pool, a water collector and a purification integrated machine; the priming pump device comprises water feed pumps connected with pump water discharge pipes, the pump water discharge pipes are connected with the aeration device which is connected with a water storage tank, and the water storage tank is connected with water storage tank discharge pipes which are connected with the greening device. The construction method comprises steps as follows: (1), excavating foundation pits; (b), building the water collecting pool, an aeration tank and the water storage tank; (c), pretreating a foundation where ecological greening insert blocks are to be laid; (d), laying the ecological greening insert blocks; (e), planting green plants. According to the system, urban rainwater is collected and treated by the water collecting device, the collected rainwater is purified, put into secondary use and applied to irrigation of the greening device, so that not only is the waterlogging phenomenon of the road surface prevented effectively, but also water resource waste can be reduced through rainwater collection.

The invention relates to a platinum-based catalyst having high catalytic activity and high durability and adopting porous carbon nano fibers as a carrier and a preparation method of the platinum-based catalyst, and particularly relates to a method of improving the catalytic activity and durability of a catalyst adopting a loose three-dimensional netted through structure composed of the porous carbon nano fibers as a carrier to load nano platinum particles and an application of the catalyst in a proton exchanging membrane fuel cell. According to the platinum-based catalyst adopting the porous carbon nano fibers as the carrier, the porous carbon nano fibers which are used as the carrier form a loose three-dimensional netted through structure, and metal platinum is loaded on the porous carbon nano fibers; the catalytic activity of the platinum-based catalyst adopting the porous carbon nano fibers as the carrier is as follows: the peak potential is 100mA ahead of that of a platinum-carbon catalyst, and the utilization rate of platinum reaches 80 percent; the durability of the platinum-based catalyst adopting the porous carbon nano fibers as the carrier is as follows: the ECSA retention rate after the fuel cell is circulated for 1000 times can reach 50 percent.

The invention belongs to the technical field of medical experiments and provides a multi-platform water environment sleep deprivation water tank and system for animals. Platforms are arranged in the bottom of the sleep deprivation water tank. The sleep deprivation system includes a rack, the sleep deprivation water tank, a water inlet / outlet device and a control device controlling experiment time, sewage disposal and cleaning. By adopting the water tank and the system provided by the invention, influence due to elements such as biological instability and the like in a sleep deprivation experiment is avoided. The experiment result is good in stability and high in repeatability. The device is high in operability, high in space utilization rate and good in application effect.

The invention discloses a self-foaming-type foaming drainage agent. The self-foaming-type foaming drainage agent comprises, by weight, 20-40 parts of soapberry fruit saponin, 8-25 parts of sodium fatty acid methyl ester sulfonate, 8-25 parts of 1-hydroxyethylidene-1,1-diphosphonicacid, 10-30 parts of sodium bicarbonate and 10-30 parts of tartrate. The preparation method comprises the following steps of S1, weighing: weighing the raw materials according to the above ratio for next use, S2, drying: drying the weighed raw materials so that water content is less than 3%, and S3, pressing: adding all the dried raw materials into a mixer, carrying out stirring for 4-8min, transferring the mixture into a hydraulic press and carrying out processing to obtain round rod-shaped solids which are the self-foaming-type foaming drainage agents. The self-foaming-type foaming drainage agent realizes natural gas well foaming drainage of a water-blocked gas well or a natural gas well with a weak stratum capability, has dual effects of gaslifting and a foaming drainage agent, has a strong self-foaming capacity and a high liquid carrying rate and can produce effects fast. The preparation method has simple and convenient processes, has a low production cost, is environmentally friendly and is suitable for industrial large-scale production.

The invention discloses a liquid level continuous measuring device which comprises a simulation danger escape cabin, a measuring device and a data processing device. The simulation danger escape cabin is used for generating back pressures after being filled with water; the measuring device is mounted on the simulation danger escape cabin; the measuring device comprises a first watertight connector, the first watertight connector is mounted on a side wall of the simulation danger escape cabin and is sequentially connected with a second watertight connector and a pressure sensor detecting device, and a signal conditioning module is connected onto the pressure sensor detecting device; the data processing device is used for receiving digital signals transmitted by the pressure sensor detecting device and computes pressure difference between a measuring cavity in the pressure sensor detecting device and a reference cavity, so that internal liquid levels of the simulation danger escape cabin can be obtained. The liquid level continuous measuring device has the advantages that the liquid level continuous measuring device is high in measurement precision, is in an integral design, is convenient to mount and brings convenience for connection, the internal liquid levels in environments under the high back pressures can be continuously measured in real time, and pipeline joints or cabin communicating components can be omitted.

The invention provides an assembled wooden house, belonging to the technical field of assembled wooden houses. The assembled wooden house aims as the problem of poor connection manners of panels in awood house. The assembled wooden house comprises a wooden house body and a roof body, wherein the wooden house body is formed by splicing panel bodies; the end surfaces of two sides of each panel bodyhas a square groove and a square pin; the square pins and the square grooves are matched in size; the square grooves and the square pins are obliquely positioned relative to the surface planes of thepanel bodies; a channel is formed in the side part of each square groove; the head and tail of each channel are communicated with the corresponding square groove; a through opening is formed in the side part of each square pin; the opening, closer to the outer side, of each channel is butted with the corresponding through opening after each square pin is inserted into the corresponding square groove completely; and the transverse section of each channel is in a ''U'' shape. Compared with the prior art, the connection method of the wood components in the assembled wooden house is to complete connection among the panel profiles by solidifying a colloidal fluid into connectors, the connection process is convenient, and the connection firmness is good.

The invention relates to an upright cap buckle type cable distribution box with an electronic tag. The cable distribution box includes a cap buckle type upper cover, a seal ring, an end cover, a locking mechanism, an inside-box fiber fusion, light splitting and fiber distribution component, an electronic tag and a fixing structure. The cap buckle type upper cover includes a box body, a mounting base and a mounting mouth. The seal ring is inlaid around the mounting base. The end cover and the inside-box fiber fusion, light splitting and fiber distribution component are connected to constitute aplugging component. The plugging component is plugged into the box body of the cap buckle type upper cover through an opening and makes the end cover and the seal ring tightly abut against each other. The locking mechanism locks and fixes the end cover and the mounting base. The electronic tag is set on a long side of the mounting mouth. The fixing structure is used for fixing the cable distribution box to an outside fixed body. By adopting a cap buckle type upright upper box body structure, the damage to electrical elements caused by subjective and objective factors can be avoided. The electronic tag makes management convenient.

The invention discloses a mobile forestry seedling raising device which facilitates transplanting. The device comprises an outer pot, a left seedling raising pot, a right seedling raising pot, a leftfixing plate, a right fixing plate and a water tank, wherein the outer pot is internally provided with the left seedling raising pot and the right seedling raising pot, a left support rod is hinged tothe top of the left seedling raising pot, and a right support rod is hinged to the top of the right seedling raising pot; the left fixing plate and the right fixing plate are fixedly connected to thelow part of the outer pot, a mounting plate is fixedly connected between the left fixing plate and the right fixing plate, and a motor is fixedly connected to the upper surface of the mounting plate;a sleeve is fixedly connected with the shaft stretching end of the motor, and a screw rod is arranged inside the sleeve. Tree seedlings are clamped through a left clamping block and a right clampingblock so as to make the tree seedlings to grow vertically, and the distance between the left clamping block and the right clamping block is adjusted so as to be suitable for the tree seedlings of different thickness; since an observation window is formed in the side wall of the outer pot, observation of the water level is facilitated, and when the tree seedlings grow to a certain stage and need transplanting, a mobile buckle is opened so as to separate the left seedling raising pot and the right seedling raising pot, so that taking of the tree seedlings is facilitated.

The invention discloses a drowning-free swimming learning rapid accomplishing device for simulating rivers. The device comprises a quadrangular swimming pool. A cubic shallow water platform is arranged on the right side of the swimming pool. The right side face of the shallow water platform is attached to the inner wall of a right side plate of the swimming pool. The upper edge of the left side face of the shallow water platform is hinged to the upper end face of a floating plate. The lower end face of the floating plate is connected with the bottom of the swimming pool. The top face of a front panel and the top face of a rear panel of the swimming pool are each provided with a walking rail, and a crane is arranged between the two walking rails; a water pump is arranged on the left outer side of the swimming pool, the water inflow end of the water pump is connected with a water inflow pipe, an inlet of the water inflow pipe is formed in the bottom in the swimming pool, the water outflow end of the water pump is connected with a water outflow pipe, and an outlet of the water outflow pipe is formed in the upper portion in the swimming pool. The water pump is arranged, a water flow mode for simulating the rivers is formed in the swimming pool, the pattern that a user jumps into the swimming pool by himself / herself or is supported by a suspender is provided for learning swimming, and a swimming learner can be helped to rapidly achieve the purpose of learning swimming.

The invention discloses a German cockroach feeding cage and a German cockroach breeding method, and relates to the technical field of insect breeding, wherein the breeding cage comprises a feeding cage main body, a feeding culture dish and a watering assembly; the feeding cage main body is further provided with one or more insect habitat boxes, and the main body of the feeding cage comprises a cage door, and an insect collecting cylinder channel is embedded in the cage door. The German cockroach breeding cage is suitable for large-scale breeding of German cockroaches in a laboratory, and the feeding and drinking is facilitated; the device can prevent the German cockroaches from escaping to a certain extent; the breeding method comprises the steps of work preparation-migration-watering-feeding-cleaning-trapping, thereby meeting the growth and development requirements of the German cockroaches, and achieving the large-scale feeding of the German cockroaches in a laboratory; the development period of the German cockroaches can be obviously shortened by optimizing the feeding conditions, the hatching rate of the egg sheaths is high, the survival rate is high, the insect body consistency is good, and the development is excellent.

The invention discloses an organic planting method for red-heart grapefruits. The organic planting method includes the steps that red-heart grapefruit seedlings obtained after seedling culture are planted in blended soil, base fertilizer is applied during seedling culture and soil preparation, and the base fertilizer is prepared from 20-35 parts of soybean meal, 25-35 parts of rapeseed residues, 20-25 parts of earthworm soil and 25-30 parts of plant ash. The organic planting method has the advantages that the base fertilizer is applied to a nursery garden, which is beneficial for improving soil fertility in the nursery garden to promote seedling growth and increase the survival rate of the seedlings; humus in the soil can be increased by using the rapeseed residues, which is beneficial for the respiration of seeds or the roots of the seedlings, necessary elements needed by seed or seedling growth are supplemented, and the effect of promoting growth can be achieved.

The invention relates to the technical field of plant planting and cultivating, in particular to a planting method for wormwood. The planting method comprises the following steps of film mulching and soil preparation, ploughing and seedling planting, field management, seedling harvest and plant dividing; thin film is placed at the bottoms of field ridges during film mulching and soil preparation, during plant dividing and seed overturning, the thin film is shaken to loosen soil on the upper portions of the field ridges, and then wormwood roots are selected out directly. According to the planting method of the wormwood, the thin film can reduce the loss of water on the upper portions of the field ridges, pests and diseases of the wormwood roots are reduced, and the damage to the wormwood roots in plant dividing and seed overturning can be prevented.

The invention discloses a remotely controlled swimming ring. The remotely controlled swimming ring comprises an aerated neck ring and a gas generator, wherein the gas generator is arranged in the aerated neck ring and used for generating gas and filling up the aerated neck ring; the remotely controlled swimming ring also comprises a remote controller, a microprocessor and a propeller which are sequentially connected, the microprocessor is arranged in the aerated neck ring, and the propeller is arranged outside the aerated neck ring; and the remote controller is used for sending a control instruction to the microprocessor and controlling the propeller to move the aerated neck ring. The remotely controlled swimming ring disclosed by the invention is small in volume and easy to carry and canbe taken as a domestic practical safety guarantee product; meanwhile, in quick aeration and remote control ways, a good effect is achieved for emergency rescue, remote rescue and precise rescue; and afamily outing with children can realize that the children are far away from deep water by virtue of remote control of the remotely controlled swimming ring, the children only play with water at the periphery of parents, and the effects of preventing drowning and being far away from danger are realized.

The invention relates to low-carbon martensitic stainless steel for a valve box and a smelting method of the low-carbon martensitic stainless steel. The technological process comprising stub bar and steel scrap melting by an induction furnace, refining furnace deoxidation reduction microalloying, slagging, VOD vacuum oxygen blowing decarburization, reduction under the vacuum condition, vacuum degassing and die casting steel pouring are adopted, alloy use is saved to the maximum extent, molten steel is reduced directly under the vacuum condition after VOD is adopted, low-carbon and good deoxidized molten steel is obtained, meanwhile, the smelting technological process is simplified, and the station utilization efficiency is improved.

The invention discloses a bathtub capable of supporting a baby out of a water surface. The bathtub mainly comprises a bathtub body and a baby supporting cushion, wherein the baby supporting cushion is arranged in the bathtub body; a guard rail, which protrudes upwards, is arranged around the upper end face of the baby supporting cushion; the head part of the baby supporting cushion is higher than the foot part and the foot part is higher than the hip part of the baby supporting cushion; when taking a bath, the baby is kept on the baby supporting cushion, so that the baby is protected from drowning in the case that the baby, taking a bath, slides from the hands of a caretaker; and the baby supporting cushion can be heightened by virtue of a hydraulic valve, so that the baby cannot slide after leaving away from the water surface, and the baby can be held out after water on the body of the baby is wiped and the baby gets dressed.