379results about How to "Quick inflation" patented technology

The invention provides an inward folding type hammock buffer jacket. The inward folding type hammock buffer jacket comprises a first buffer body, a second buffer body, a third buffer body and a suspension layer, wherein one end of the second buffer body is connected with one end of the first buffer body; one end of the third buffer body is connected with the other end of the first buffer body; the suspension layer is connected with the other end of the second buffer body and the other end of the third buffer body through connecting heat-seal edges; the second buffer body and the third buffer body both bend towards one side of the first buffer body; the first buffer body, the second buffer body and the third buffer body form a U-shaped structure together; the suspension layer is located in the U-shaped structure, so that a U-shaped containing space is formed. According to the scheme, the inward folding type hammock buffer jacket can be inflated rapidly, the suspension layer structure is arranged to contain a foreign object so that the effects of shock resistance and buffering can be provided, and due to the facts that two layers of external films are arranged and are not prone to being pierced by sharp foreign objects, a good protection effect is achieved.

The invention provides a low temperature mixed insulating gas supplementing device which comprises an SF6 gas cylinder, a first gas cylinder, a liquid storage tank and sulfur hexafluoride electric equipment. The low temperature mixed insulating gas supplementing device is characterized in that an SF6 gas supplementing path, another gas supplementing path, a gas mixer, a buffer tank, a vacuum pump, a compressor, an electromagnetic flow valve and an electromagnetic valve are additionally arranged, wherein a spiral tube with a partitioning baffle is used as the gas mixer and is provided with two output ends; one output end of the gas mixer is communicated with the atmosphere through a first control valve; the other output end of the gas mixer is communicated with the sulfur hexafluoride electric equipment through a second control valve, the buffer tank, the electromagnetic flow valve and a third control valve in sequence; the output end of the electromagnetic flow valve is further connected with the liquid storage tank through a fourth control valve and is connected with the liquid storage tank through the compressor and the electromagnetic valve, respectively; the input end of the gas mixer is communicated with the SF6 gas cylinder through the SF6 gas supplementing path and is connected with the first gas cylinder through another gas supplementing path, respectively; the gas outlet ends of the SF6 gas cylinder and the first gas cylinder and the gas inlet end of the gas mixer are all connected with the atmosphere through the vacuum pump. By adopting the low temperature mixed insulating gas supplementing device, two types of gas are rapidly pressurized, divided and mixed, and the gas mixing ratio is precise and reliable.

Provided is an emergency parachute landing gear for a multi-rotor unmanned aerial vehicle. The device comprises a parachute cabin, a parachute cabin cover and an open-parachute-device, the opening of the upper end of the parachute cabin is provided with the parachute cabin cover, a folded parachute is arranged in the parachute cabin, the top of the parachute is connected to the parachute cabin cover, and the open-parachute-device is arranged in the parachute cabin, and is used for pushing the parachute cabin cover to be separated from the parachute cabin so as to drive the folded parachute to be pulled out of the parachute cabin and straightened. The emergency parachute landing gear for the multi-rotor unmanned aerial vehicle can directly pull out and straighten the parachute, and is suitable for various parachute cabin shapes, the parachute opening reliability is high, the safety is high, and the cost is low.

The invention relates to an airbag which comprises a sleeve barrel, a gas cylinder adapter, a spring, a needle, a torsional spring rod and an airbag body. According to the airbag, the spring is made to expand by rotating the torsional spring rod, the needle is pushed by the spring to move horizontally and punctures the cylinder mouth of a gas cylinder, gas in the gas cylinder enters the airbag body fast, and the airbag body is automatically inflated. According to the airbag, the cylinder mouth the gas cylinder is punctured through a mechanical transmission mechanism, air inflation is fast, timely protection can be provided for the human body, and the airbag is safe and reliable. The airbag is simple in structure and small in size, meets the design requirement of a portable device, and is convenient to carry and wide in application range.

The invention discloses a jacking type tire inflation machine, which comprises a base, wherein the two sides of the base are respectively provided with a support seat, the top part of each support seat is provided with a connecting seat, a tire support disc is arranged on the base, a lifting driving mechanism is arranged on the connecting seats, the bottom end of the lifting driving mechanism is connected with an inflation ring, the inflation ring corresponds to the tire support disc, and comprises an inflation outer ring and an inflation inner ring, and the inflation inner ring is arranged in the inflation outer ring. The jacking type tire inflation machine has the advantages that by adopting the jacking type inflation design, the maintenance of the inflation ring and the inflation machine is convenient; the inflation ring squeezes out a wheel hub of the tire and the lip edge of the tire to directly complete the inflation, the inflation is quick, the efficiency is high, the air can enter the interior through the wheel hub of the tire and the lip edge of the tire, and the air intake is uniform; the inflation ring adopts the double ring design of the inflation outer ring and the inflation inner ring, so the tires with different sizes can be inflated, and the application range is wide.

Disclosed is a fire safety protection system for a floating-roof oil tank based on active nitrogen filling. At least one gas partition plate is arranged between a primary sealing section and a secondary sealing section of the floating-roof oil tank, a gas inlet pipe and a gas outlet pipe are arranged in a matched manner, the gas inlet pipe is fixedly mounted at the sealing edge of the oil tank and connected with a gas nozzle which is a double-layer disc gas nozzle, a gas pump is connected with the gas outlet pipe, and an optical fiber pressure sensor, an optical fiber temperature sensor, a sensing signal processing unit, the gas pump, a gas detection module, a gas valve controller and a nitrogen fire protection controller are arranged outside the floating-roof oil tank. When fire-breeding is discovered or other areas on site have a fire, nitrogen is rapidly released, a protection layer is formed above the oil tank to realize fire protection, and a closed-loop control is formed by the aid of the gas partition plates and by means of pressure and temperature detection and active combustible gas suction detection. When abnormal temperature, pressure and oil and gas leakage are discovered, protection gas is filled, fire risks are reduced, and the safety performance of the oil tank is improved.

The invention relates to a portable unmanned aerial vehicle with an anti-drop function. The portable unmanned aerial vehicle comprises a main body, four flying mechanisms, a retracting mechanism and four protection mechanisms. The retracting mechanism comprises a driving component and four retracting components. Each retracting component comprises a cover plate, a connecting line, a connecting rod, two sliding sleeves, two first springs and two sliding rods. Each protection mechanism comprises a storage box, a gas delivery pipe, a landing gear, an air bag and a trigger component. Each triggercomponent comprises a storage tank, a slider, a permanent magnet, an electromagnet, a second spring, a feed port and a limit ring. The portable unmanned flight device with the anti-drop function has the advantages that a propeller is retractable through the retracting mechanism, the unmanned aerial vehicle is downsized, and accordingly, the portability of the unmanned aerial vehicle is improved; through the protection mechanisms, the air bags are inflated when the unmanned aerial vehicle fails, and accordingly, the anti-drop performance of the unmanned aerial vehicle is improved under the buffer action of the air bags.

The invention discloses a constant-temperature and constant-pressure inflation method of a diaphragm capsule for a temperature controller, which relates to a filling technology of a diaphragm capsule working medium for the temperature controller. The inflation method comprises the following steps of: putting the diaphragm capsule into a constant temperature cabinet and adjusting the temperature to 40-60 DEG C; communicating a capillary tube of the diaphragm capsule with a vacuum pump and vacuumizing the inside of the diaphragm capsule; after vacuumizing, communicating the capillary tube with an air storage tank through a pressure regulator to inflate the diaphragm capsule and stopping inflation when the pressure is balanced; and when the diaphragm capsule is sealed, finishing filling the diaphragm capsule working medium. A fixture head arranged on a diaphragm capsule clamp in the constant temperature cabinet of the inflation device is communicated with a cavity in the diaphragm capsule fixture; and one end of the cavity is connected with a vacuum pump, and the other end of the cavity is communicated with the air storage tank. By adopting the method, the manufactured diaphragm capsule has the same temperature sensitivity, the measuring accuracy of the diaphragm capsule is enhanced and the produce quality is ensured. By adopting the inflation device, the diaphragm capsule can be easily inflated rapidly, thus the working efficiency is greatly improved.

The invention relates to the technical field of natural energy generating application, in particular to a system for compatibly supplying energy to new energy automobiles and traditional power automobiles. A solar photovoltaic generating array converts solar energy into electric energy to be stored, or a wind energy generating device array converts wind energy into electric energy to be stored; and the electric energy is used for all functions of an energy charging station, is used for an automatic access charging shelf and robot arms to replace storage batteries of electric automobiles and charge electric automobiles, is used for manufacturing hydrogen gas by a hydrogen manufacturing unit and quickly inflating hydrogen power and hydrogen fuel battery automobiles, and is used for manufacturing compressed air by an air compressor unit and quickly inflating compressed air power automobiles. The invention realizes the purpose of stably and reliably supplying natural energy to various new energy automobiles, simultaneously has the traditional functions of filling oil and gas, reduces the dependence on non-renewable energy resources such as petroleum, coal and the like, relieves the energy crisis, and protects the atmospheric environment.

The invention relates to a rapid inflation lifesaving device, which consists of a plurality of independent rapidly-inflatable air bags, wherein inner and outer layers are formed in the inflation states of the air bags; and a cavity for accommodating people and a channel through which people enter the cavity from the outside are formed in each inner layer during inflation of each air bag. The rapid inflation lifesaving device has the advantages that (1) the rapid inflation lifesaving device is placed at positions such as bedsides for later use, and occupies a very small space; (2) in first time of natural disasters such as earthquakes, the air bags can be inflated rapidly, so that the entire lifesaving device is swelled to form a hollow sphere, and people can enter the lifesaving device to avoid possible damages; and (3) each air bag is independent and is not communicated with one another, so that air leakage of the entire lifesaving device caused by damage to one part of each air bag can be avoided, the suitability of the lifesaving device is further ensured, and the reliability is high.

The invention provides a lifesaving gun for drowning people. The lifesaving gun comprises a trigger, a gun body, a spring compression disc, a bullet, an impact spring and a gunsight. The structure of the lifesaving gun is characterized in that a handle of the gun body is provided with the trigger, the trigger is connected with the spring compression disc arranged at the central part of the gun body, one end of the impact spring is connected with the spring compression disc, the other end of the impact spring abuts with the bullet, and the gunsight is connected with the front end of the gun body. The bullet is composed of a bullet body and an elastic lifebuoy; and the bullet body is composed of a bullet head, a foaming medicine bag, a gas-guide tube, a minisized motor, a crank connecting rod, a time delay relay, a sealed pipe and an impact switch. The lifesaving gun provided by the invention is small-sized emergency drowning lifesaving equipment which has the advantages of a compact light structure, convenience in use, usage of an electromagnetic time-delay function, adoption of chemical foaming, a fast reaction speed, accurate launching of the lifesaving bullet to drowning people, fast inflation of the lifebuoy and great popularization and application values.

The invention provides a high-altitude escape capsule which comprises a main chamber, a head protecting chamber, a foot protecting chamber and a plurality of air bag units, wherein the main chamber is used for accommodating a human body, the head protecting chamber is formed at the upper end of the main chamber, the foot protecting chamber is formed at the lower end of the main chamber, and the air bag units are arranged around the periphery of the main chamber, the head protecting chamber and the foot protecting chamber respectively in a wrapping manner; the main chamber, the head protecting chamber and the foot protecting chamber are made of flexible material and closed through zippers; self-tightening ropes are arranged at positions of the head protecting chamber and the foot protecting chamber, which is faced and close to the main chamber; a fixing device for binding the human body is arranged in the main chamber; and the gas charging holes and gas discharging holes are formed on the air bag units, the gas charging holes are connected with an air charging device, the air charging device synchronously inflates each air bag unit, the air discharging holes are connected with an air discharging device, the air discharging device synchronously deflate each air bag unit, the air charging device is connected with an air charging start button, and the air discharging device is connected with an air discharging start button. The high-altitude escape capsule has the beneficial effects that an air bag structure is adopted, the structure is simple, and the use is convenient and safe.

The invention provides a rapid responding pneumatic valve control system. The rapid responding pneumatic valve control system comprises a two-position five-way electromagnetic valve connected with an air cylinder and further comprises a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve. When a pneumatic valve is rapidly closed, an air outlet of the first two-position two-way electromagnetic valve communicates with a closed cavity of the air cylinder, and an air inlet of the second two-position two-way electromagnetic valve communicates with an opening cavity of the air cylinder. When the pneumatic valve is rapidly opened, the air outlet of the first two-position two-way electromagnetic valve communicates with the opening cavity of the air cylinder, and the air inlet of the second two-position two-way electromagnetic valve communicates with the closed cavity of the air cylinder. An operation air source communicates with a first ventilation port of the two-position five-way electromagnetic valve and an air inlet of the first two-position two-way electromagnetic valve. Under special situations, when the pneumatic valve needs to be rapidly operated, the two-position five-way electromagnetic valve and the two two-position five-way electromagnetic valves work at the same time, the air cylinder of the valve is rapidly inflated or deflated, and the purpose of rapidly opening or closing the pneumatic valve is achieved.

The invention relates to an amphibious individual soldier carrying backpack. The amphibious individual soldier carrying backpack comprises a main backpack, an auxiliary backpack, a folding air bag and a fixing device. The main backpack comprises a main backpack body and a main backpack cover. The folding air bag is of an annular structure. The fixing device comprises a cushion plate, short-side fastening belts sewn and fixed to the front side and the rear side of the cushion plate in the width direction, and long-side fastening belts sewn and fixed to the left end and the right end of the cushion plate in the length direction. A rescue and camping dual-purpose air bag is provided with multiple hanging rings or hanging holes. A high-pressure air cylinder for inflating an inflatable bag body through a one-way air tap is placed in an auxiliary side backpack body. The amphibious individual soldier carrying backpack achieves the amphibious carrying functions that the backpack can be dragged in a floating mode on the waterside and can be carried on the back by an individual soldier or lifted by two soldiers on land, achieves the protection functions of waterproofness, dampproofness and the like, and meets the requirements of infantries in the army of China for carrying and protection of arms and ammunition in the swimming-in-battle-gear and beach-head processes.