194 results about "Oxygen equipment" patented technology

The invention discloses a multifunctional novel air conditioning control panel system and a control method, and relates to the field of air conditioning control devices. According to the multifunctional novel air conditioning control panel system and the control method, the system comprises a bed main body, a sealing door, oxygen production equipment, an air treatment module and a monitoring module. According to the multifunctional novel air conditioning control panel system and the control method, the oxygen concentration in the bed body main body is controlled by the air processing module, the oxygen concentration in the bed body main body is accurately adjusted, the oxygen concentration in the indoor space is controlled, the use comfort of personnel is guaranteed, an oxygen bottle does not need to be manually and actively held for oxygen inhalation, and the working efficiency is improved. Under the action of the oxygen tent with certain sealing performance, oxygen is generated and escaped out of the oxygen tent to the minimum extent, it is guaranteed that the space is in the specific oxygen concentration, and altitude stress caused by plateau hypoxia is well recovered.

The invention discloses a handheld oxygen generator in the field of oxygen generation equipment, which comprises an air pump assembly, an air inlet assembly, an air outlet assembly, molecular sieve tanks and an oxygen storage tank, a pressure preparation gas tank is arranged on a gas path structure between the two molecular sieve tanks and the oxygen storage tank, and oxygen-enriched gas adsorbed by the molecular sieve tanks firstly enters the pressure preparation gas tank to be stored and then enters the pressure preparation gas tank to be stored; and after the gas in the pressure preparation gas tank reaches the required pressure, the gas enters the oxygen storage tank. In the oxygen production process, gas can generate standby pressure in the standby pressure gas tank, so that the pressure of the molecular sieve tank is kept in a high-pressure range, the adsorption capacity of the molecular sieve on nitrogen in air is improved, the oxygen content of the oxygen production gas is improved, and the oxygen production amount can still be met under the condition that the filling amount of the molecular sieve is reduced; therefore, the sizes of the molecular sieve tank and the whole oxygen generator are reduced. In addition, oxygen is collected through the pressure preparation gas tank, oxygen is conveyed to the oxygen storage tank after certain pressure preparation is achieved, oxygen in the oxygen storage tank can be promoted to be collected, the pressure is increased, and the oxygen output requirement in the oxygen using state is met.

The invention belongs to the technical field of medical auxiliary equipment, and particularly relates to a safety type low-pressure oxygen supplementation cabin suitable for multiple persons and a control method thereof.The low-pressure oxygen supplementation cabin comprises a cabin body, and an isolation space is formed in the cabin body; oxygen therapy equipment, air exhaust equipment, image acquisition equipment, environment monitoring equipment for monitoring environment parameters in the cabin body, physical sign monitoring equipment for monitoring physiological data indexes of a user and feedback equipment for active feedback of the user are arranged in the isolation space, and the oxygen therapy equipment comprises nasal oxygen equipment and dispersed oxygen equipment; based on the structure and the control method thereof, the internal parameters of the low-pressure oxygen supplementing cabin are regulated and controlled in combination with a feedback mechanism, a health monitoring mechanism, an active regulation and control mechanism and the like, and the personalized safe low-pressure oxygen supplementing cabin suitable for multiple persons is comprehensively provided.

The invention relates to the technical field of portable oxygen production equipment, and particularly discloses an adsorption device for a portable oxygen generator, the adsorption device comprises a portable machine shell and an adsorption mechanism, the portable machine shell is provided with an air inlet through hole and an air outlet through hole, the adsorption mechanism comprises an oxygen-enriched element, the portable machine shell is provided with an air supply pipe head, and the air supply pipe head is provided with an air outlet through hole. An airflow pipeline is connected between the oxygen-enriched element and the air supply pipe head; the oxygen enrichment device further comprises an air supply air pump located between the oxygen enrichment element and the air supply pipe head, an auxiliary air pipe, an auxiliary air valve and a humidity sensor, the auxiliary air valve is located on the auxiliary air pipe, one end of the auxiliary air pipe is connected with the airflow pipeline, and the connecting point is located between the oxygen enrichment element and the air supply air pump. The humidity sensor is used for detecting humidity in the airflow pipeline. According to the invention, the auxiliary gas pipe is connected in parallel beside the oxygen-enriched element, so that gas can enter the gas flow pipeline without passing through the oxygen-enriched element when water in the gas flow pipeline is removed, the water removal effect is relatively high, and the consumption of oxygen is relatively low.

The utility model relates to the technical field of molecular sieve oxygen production equipment, in particular to a quick oxygen concentration increasing device for medical molecular sieve oxygen production equipment, which comprises a bottom plate, the device further comprises a treatment barrel, a sealing cover and a rotating ring, the treatment barrel is fixedly connected to the middle of the upper end of the bottom plate, the sealing cover is arranged at the upper end of the treatment barrel, and a fixing column is fixedly connected to the middle side in the treatment barrel; the space in the treatment cylinder is divided into four independent working areas, the rotating ring is internally divided into two independent oxygen collecting areas, the two molecular screening plates are divided into two groups to provide oxygen purification and nitrogen exhaust and suction functions respectively, and the two molecular screening plates are adjusted by the motor to work oppositely and continuously, so that continuous gas supply is achieved, and the working efficiency is improved. When a certain working area exhausts and inhales, the other corresponding working area can be inflated with air in advance to improve the internal pressure, so that the molecular screening plate can directly enter the optimal adsorption state, the oxygen purification efficiency reaches the highest, and oxygen with qualified concentration is generated to meet the use of a patient.

The invention provides a vehicle-mounted oxygen supply system, a control method and a vehicle, an electronic control unit of the vehicle is respectively connected with an environment sensing module, a vehicle-mounted oxygen production device, an emergency oxygen production device and an oxygen supply terminal module, an oxygen outlet end of the vehicle-mounted oxygen production device is connected with the oxygen supply terminal module through a pipeline, the vehicle-mounted oxygen production device adopts a physical oxygen source, and the emergency oxygen production device adopts an emergency oxygen source. The emergency oxygen generation equipment adopts a physical oxygen source and / or a chemical oxygen source, and the vehicle-mounted oxygen generation equipment can be controlled to supply oxygen through the oxygen supply terminal module and / or the emergency oxygen generation equipment can be controlled to supply oxygen through the electronic control unit on the basis of internal and external environment information, collected by the environment sensing module, of the vehicle. The vehicle-mounted oxygen generation system can solve the problems that an existing vehicle-mounted oxygen generation system cannot be used under the power failure condition, the oxygen consumption severely exceeds the oxygen supply amount of the vehicle-mounted oxygen generation system, and oxygen cannot be supplied outdoors in a plateau, and therefore the multi-scene requirement of a user is met.

The invention provides an oxygen concentration prediction method, device and equipment for medical oxygen generation equipment, a medium and a product, and relates to the technical field of data prediction. The method comprises the following steps: acquiring an oxygen concentration monitoring sequence and related environment and equipment parameters within a preset time before a current moment to obtain prediction reference data; inputting the prediction reference data into a pre-trained oxygen concentration prediction model to obtain an oxygen concentration prediction sequence of the medical oxygen generation equipment; wherein the oxygen concentration prediction model extracts local spatial features of prediction reference data through a convolutional neural network; extracting global context information from the local spatial features through a global context attention module; extracting time features from the global context information through a long-short-term memory neural network to obtain global information containing a time sequence; and inputting the global information into the first full connection layer, and outputting an oxygen concentration prediction sequence. According to the invention, the oxygen concentration of the medical oxygen production equipment can be accurately predicted.

The utility model discloses a mechanism for quickly replacing an air filter of oxygen production equipment, which belongs to the technical field of air filter replacement mechanisms and comprises an oxygen production equipment body, two connecting bins are fixedly mounted on the oxygen production equipment body, air outlet pipes are connected below the connecting bins, and air inlet pipes are connected to one sides of the connecting bins. According to the mechanism for rapidly replacing the air filter of the oxygen generation equipment, a rotating rod is rotated by screwing a hand wheel, a main gear synchronously drives a plurality of auxiliary gears to rotate, the auxiliary gears drive an insertion rod to rotate, at the moment, a convex block at one end of the insertion rod is staggered with a convex hole, and therefore the connecting end of the air filter and a sealing cover are connected together; the air filter can be pulled out together when the sealing cover is disassembled and pulled, and an inserting rod can be pulled out from a convex hole without operation in the oxygen production equipment body only by reversely rotating a main gear to enable a convex block to be in contact with a first stop block during disassembly and separation, so that a worker can conveniently disassemble and replace the air filter.

The utility model relates to the technical field of medical oxygen generating equipment, and discloses medical oxygen generating equipment with good energy-saving effect, which comprises a bottom plate, an air compressor, a drying device, a first pipeline and an adsorption mechanism, the adsorption mechanism comprises molecular sieve adsorption towers symmetrically arranged at the upper end of the bottom plate, and baffles are arranged in the molecular sieve adsorption towers. A first cavity and a second cavity are symmetrically formed in the molecular sieve adsorption tower relative to the baffle, a second pipeline is arranged on one side of the molecular sieve adsorption tower, and a third pipeline is arranged on the side, away from the second pipeline, of the molecular sieve adsorption tower. According to the utility model, the molecular sieve adsorption tower is divided into the first cavity and the second cavity through the baffle plate, then gas is respectively conveyed into the first cavity and the second cavity through the second pipeline and is adsorbed through the first filler block and the second filler block, and then oxygen is conveyed through the cooperation of the third pipeline and the fourth pipeline; therefore, the molecular sieve filler block is fully utilized, and redundant energy consumption is avoided.

The invention belongs to the technical field of oxygen generation equipment, and provides a humidifying device and an oxygen generator, the humidifying device comprises a humidifying box, a liquid storage cavity, a humidifying cavity, a liquid supply device, a liquid supply device and a liquid supply device, and the humidifying box is provided with a liquid storage cavity and a humidifying cavity; the valve assembly has an opening state and a closing state which can be switched mutually; the control assembly is used for switching the valve assembly from the closed state to the open state when the liquid level in the liquid storage area is smaller than or equal to a first preset value and switching the valve assembly from the open state to the closed state when the liquid level in the liquid storage area is larger than or equal to a second preset value, and the first preset value is smaller than the second preset value; the humidifying assembly can adsorb the humidifying liquid in the humidifying area; the humidifying cavity is provided with a first air inlet and a first air outlet, so that gas to be humidified can enter the humidifying cavity and be humidified by the humidifying assembly. The humidifying device and the oxygen generator provided by the invention are simple in structure and low in noise.

The utility model provides a dustproof device for oxygen production equipment, and relates to the technical field of oxygen production equipment, the dustproof device comprises a mounting base and a dustproof net mounted in the middle of the inner side of the mounting base; a dustproof cover is arranged at the outer end of the mounting base, an outer plate is arranged at the inlet end of the dustproof cover, first air holes are formed in the middle of the outer plate in an annular array mode, a sealing plate is arranged on the inner end face of the outer plate, second air holes are formed in the middle of the sealing plate in an annular array mode, and a driving motor is arranged in the middle of the bottom end of the sealing plate. According to the utility model, the mounting base and the dustproof cover are arranged, so that the dustproof net can be quickly disassembled and assembled, convenience is provided for replacement and cleaning of the dustproof net, in addition, due to the arrangement of the outer plate and the sealing plate, external air can be isolated or a channel can be opened for circulation according to the running state of the oxygen production equipment, and the oxygen production efficiency is improved. The dustproof net is covered and protected, so that the probability that the dustproof net is blocked by dust is effectively reduced, and the using effect of the dustproof net is enhanced.

The utility model discloses a single oxygen cabin bed locking component based on hyperbaric oxygen equipment, which comprises a hyperbaric oxygen cabin main body, a cabin body door plate is movably arranged on the front end face of the hyperbaric oxygen cabin main body, and two supporting guide rails are fixedly arranged on the inner side of the hyperbaric oxygen cabin main body. The upper end faces of the two supporting guide rails are slidably connected with a push-pull bed, a conical locking box is installed on one side of the push-pull bed, an indicator lamp is arranged on the inner side of the front end of the conical locking box, a pressed block is fixedly installed on one side of the conical locking box, and an anti-skid sleeve shell is arranged on the outer surface of the conical locking box. A connecting frame is fixedly installed on the upper end face of the conical locking box, an adjusting handle is installed at the upper end of the connecting frame, a sealing installation box is installed on the outer side of the upper end of the connecting frame, and connecting rings are installed at the upper end and the lower end of the sealing installation box. According to the utility model, the window body in the hyperbaric oxygen chamber is locked and fixed, so that the risk that a patient falls off when going to bed is effectively avoided.

The present invention discloses an oxygen detection method, device and storage medium based on an oxygen generation device, relating to the technical field of oxygen detection. By calculating the real-time torsion angle of the dumbbell ball and comparing it with a threshold value, when it exceeds, the swing amplitude is estimated using the Kalman filtering algorithm in combination with the air flow disturbance data, and then input into a support vector machine model to classify the influence degree of the air flow disturbance and generate a judgment rule, thus solving the problem of measurement accuracy caused by gas flow; at the same time, a temperature and pressure sensor is used to collect data and the swing amplitude data is corrected by combining a compensation algorithm, solving the problem of interference caused by temperature and pressure changes; in addition, according to the corrected torsion angle data, it is judged whether it exceeds the linear response range of the photoelectric sensor. When it exceeds, a sensor array is used for piecewise fitting, and the oxygen concentration is calculated by combining a fitting algorithm, solving the problem of sensor response limitation, and effectively improving the accuracy, reliability and measurement range of oxygen concentration measurement.

The utility model discloses an energy-saving reflux device for medical oxygen generating equipment, which comprises an oxygen generator main body, a compressor is arranged in the oxygen generator main body, the compressor is connected with a primary filtering device through a pipeline, and the primary filtering device is connected with a first adsorption tower and a second adsorption tower through pipelines and is controlled by a three-way valve. Molecular sieves are arranged in the adsorption towers, the first adsorption tower and the second adsorption tower are connected with a buffer tank through pipelines and controlled through a four-way valve, the buffer tank is connected with a finished product pipe, the finished product pipe is connected with a return pipe, the tail end of the return pipe is connected to the fourth end of the four-way valve, and the tail end of the finished product pipe is detachably connected with a filter pipe. A filter element is mounted in the filter pipe, and the finished product pipe is connected with the filter pipe through a clamping sleeve stop valve; the finished product pipe and the filter pipe are connected through the clamping sleeve stop valve, the filter element is convenient to disassemble and replace, the problems of turbulence, energy consumption and large noise in a pipeline in the prior art are solved, and the silencing plate, the buzzer and other devices are additionally arranged on the basis of existing oxygen production equipment, so that the oxygen production equipment is more suitable for a medical environment.

The invention relates to the technical field of oxygen production equipment, in particular to an oxygen production main machine adsorption tower capable of preventing molecular sieve pulverization, which comprises a tower body, a tower cover mounted at the upper end of the tower body, an adsorption assembly arranged in the tower body, a shunting assembly and a dredging assembly mounted in the tower body, the connecting pipe is installed in the upper end of the air inlet pipe, the communicating hole is formed in the circumferential face of the connecting pipe, the circumferential face of the connecting pipe is slidably connected with a sliding barrel, the air spraying disc is installed on the circumferential face of the sliding barrel, the flow dispersing plate is installed in the tower body, and the multiple flow dispersing shells are installed at the upper end of the flow dispersing plate. Under the action of the shunting assembly, the effect of diffusing air can be effectively achieved, the impact of the adsorption assembly above on a molecular sieve is reduced, the pulverization speed of the molecular sieve is reduced, nitrogen and dust are discharged out of the tower body together through the exhaust pipe under the action of the dredging assembly subsequently, and the effect of cleaning the molecular sieve is achieved; and the oxygen preparation efficiency and quality are improved.

The utility model relates to oxygen production equipment with a multi-stage filtering structure, which comprises a box body, a control panel is arranged on the side wall of one end of the box body, and a preliminary filtering device is arranged on the side wall of the other end of the box body. External air enters the primary filtering device through an air inlet to be filtered and then enters the filtering box through an air inlet pipe, then under the three-layer filtering effect of the first-stage filtering layer, the second-stage filtering layer and the third-stage filtering layer, the air purity is improved, and the air subjected to multi-stage filtering is compressed through a compressor 10 and then is fed into a molecular sieve adsorption tower 13; the selective adsorption characteristic of a molecular sieve arranged in the molecular sieve adsorption tower 13 on nitrogen and oxygen is utilized, so that high-purity oxygen is separated from air subjected to multi-stage filtration.

The utility model discloses a nitrogen and oxygen making equipment inlet gas uniform distribution device which comprises a uniform distribution cylinder, a mounting plate is fixedly installed on the inner wall of the uniform distribution cylinder, a blower is fixedly installed on the right side face of the mounting plate, a first partition plate is fixedly installed on the inner wall of the uniform distribution cylinder, a second partition plate is fixedly installed on the inner wall of the uniform distribution cylinder, and a first baffle plate and a second baffle plate are fixedly installed on the right side face of the mounting plate. The right side face of the first partition plate fixedly communicates with a plurality of communicating pipes, and the outer surface of each communicating pipe fixedly communicates with an electric air volume adjusting valve. According to the device, through the arrangement of an air blower, a plurality of communicating pipes and a plurality of electric air volume adjusting valves, under the cooperation of a first partition plate and a second partition plate, air can be conveyed through the communicating pipes, and meanwhile the air volume of the air is adjusted and controlled through the electric air volume adjusting valves; and the gas is uniformly discharged into the adsorption tower through the plurality of exhaust heads, so that the problem that the gas flow in the adsorption tower is easily distributed unevenly due to the fact that the gas is directly fed into the adsorption tower through the gas inlet pipe is solved.

The utility model discloses an oxygen generator capable of being automatically started and stopped. The oxygen generator comprises an air compressor, an efficient degreaser, a refrigerated dryer, a filter, a buffer gas storage tank, oxygen generation equipment, a dust fine filter, an oxygen buffer tank and a gas storage tank which are connected in sequence, the oxygen generating device is characterized in that a sensing piece for sensing the pressure in the air storage tank and a controller connected with the sensing piece and the oxygen generating device are mounted on the air storage tank; the air storage tank is composed of a plurality of tank bodies and pneumatic separation seats installed among the tank bodies. According to the utility model, the pressure of the gas in the gas storage tank is sensed in real time by using the sensing piece, a signal is sent to the controller, and the controller controls the oxygen production equipment to work and stop according to the set pressure, so that the automatic production is realized, the production efficiency is improved, and the labor intensity of workers is reduced; the tank bodies are separated or communicated through the pneumatic separation base, the space for storing gas in the gas storage tank is adjusted, meanwhile, a plurality of oxygen production devices can be connected at the same time to be used, and the occupied area of the devices is reduced.

The utility model belongs to the technical field of oxygen supply equipment, and discloses a high-efficiency oxygen supply equipment, including a shell, and also including: an oxygen production equipment, which is arranged inside the shell and is used to produce oxygen; an air drying structure, which is arranged on the oxygen production equipment and is used to remove moisture in the air; wherein the oxygen production equipment includes two groups of zeolite cylinders, the zeolite cylinders are arranged inside the shell, the zeolite cylinders control air intake through a control circuit, the air outlet of the zeolite cylinders is connected to an exhaust pipe, a pressure regulator is arranged in the middle of the exhaust pipe, a vent pipe is arranged at the air inlet of the zeolite cylinder, an air compressor is connected to the bottom end of the vent pipe, and a filter is connected to the air inlet of the air compressor. Through the cooperation between the cam and the pressure plate, the pressure plate is driven to squeeze the absorbent cotton, and the moisture is squeezed out of the drainage piece, so that the moisture in the air can be continuously removed, and the efficiency of oxygen production is improved.

1. The name of the design product: portable oxygen generator. 2. The use of the design product: the design product is used as portable oxygen generating equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses a hand -held oxygen generator's integrated type air intake subassembly of oxygen generating equipment field, including air flue board, first solenoid valve and second solenoid valve, be equipped with air intake passage, connecting channel and exhaust passage on air flue board, the number of connecting channel is two, is connected with air intake passage and exhaust passage through first solenoid valve and second solenoid valve respectively, when the power of first solenoid valve and second solenoid valve is off, corresponding connecting channel is communicated with air intake passage, when the power is on, corresponding connecting channel is communicated with exhaust passage. The utility model discloses through the structural design to air intake passage, connecting channel and exhaust passage, make two molecular sieve tank share air intake passage and exhaust passage to reduce the air flue number, make the structure more compact and simple, and under the cooperation of solenoid valve and air flue structure, when the equipment is in the closed state, the air intake end of two molecular sieve tanks is cut off with outside through air flue board and solenoid valve, can avoid the problem that molecular sieve inhales the moisture failure.

This invention belongs to the technical field of oxygen generation equipment, specifically relating to an oxygen generation device that facilitates the replacement of molecular sieves. It includes a shell, a molecular sieve tower, and a movable plate. The molecular sieve tower is located inside the shell, and an installation groove is formed on the side wall of the shell at a corresponding position to the molecular sieve tower. The movable plate is located within the installation groove. An outlet pipe is connected to the top cover and fixedly installed on the shell. A first rack is fixedly installed on the sliding rod near the movable plate, and a second rack is fixedly installed on the lower part of the inner side of the movable plate. A gear is rotatably installed between the first and second racks on the shell. Both sides of the outer wall of the cylinder have protruding posts, and a locking claw is fixedly installed inside the movable plate. Its purpose is to allow for the disassembly / installation of the molecular sieve tower and the oxygen generation device by pulling / pressing the movable plate, and to allow for the opening and closing of the cylinder containing the molecular sieve through the detachable installation of the partition, thereby facilitating the replacement of the molecular sieve. The operation is simple and convenient.

The invention relates to the field of aviation equipment tests, in particular to a comprehensive test bed for aviation oxygen equipment. The device comprises a vacuum box, a damping device, a connecting frame, a storage rack and a vibration device, a fixing seat of the damping device is fixedly connected with the inner wall of the vacuum box, a vibration isolation air bag is arranged on the fixing seat and located in a box body, the connecting frame is fixedly connected with the vibration isolation air bag, the storage rack is arranged in the box body and fixedly connected with the connecting frame, and the vibration device is fixedly connected with the connecting frame. And structures such as a damping device and a connecting frame are further limited. The aviation oxygen equipment testing device achieves the effects that the aviation oxygen equipment can be effectively tested, through reasonable arrangement and structural cooperation of the damping device, the vibration influence can be reduced, and the accuracy and stability of the test are improved.

The invention provides medical oxygen production equipment, which is used for at least solving the technical problem that the adsorption efficiency of a molecular sieve is reduced in the prior art. The medical oxygen generation equipment comprises a first adsorption tank, a second adsorption tank and a first pressure equalizing pipe, an inner cavity is formed in the first adsorption tank, the inner cavity is provided with a partition part and a blocking structure, the partition part divides the inner cavity into a downstream cavity and a countercurrent cavity, and a buffer cavity is formed in the downstream cavity in the first direction close to the first pressure equalizing pipe; the two ends of the downstream cavity are communicated with the two ends of the countercurrent cavity to form a circulating flow channel, a large number of molecular sieve particles in the downstream cavity move in the first direction to enter the buffer cavity under the action of airflow, and the molecular sieve particles in the countercurrent cavity do not enter the buffer cavity or only a small number of molecular sieve particles enter the buffer cavity. In this way, a certain space without molecular sieve particles is formed at the end, away from the first pressure equalizing pipe, of the downstream cavity, the molecular sieve particles in the countercurrent cavity move in the direction opposite to the first direction and enter the downstream cavity, and the molecular sieve particles can flow circularly.

The embodiment of the utility model provides a VPSA (Vacuum Pressure Swing Adsorption) pressure-equalizing control process improved oxygen production equipment device, which comprises an adsorption tower body used for accommodating and supporting an adsorbent used in a VPSA oxygen production process and simultaneously providing a channel for inlet and outlet airflow; the pressure-equalizing gas distributor is connected with the adsorption tower body through a flange and is used for guiding and dispersing gas flow into the adsorption tower, the pressure-equalizing gas distributor is of a sectional structure to optimize a flowing path, and a porous net layer is arranged on the inner surface of the pressure-equalizing gas distributor to promote gas distribution; a steady flow baffle is mounted in the pressure-equalizing gas distributor to reduce turbulent flow; and the gas collecting chamber is arranged at the lower part of the adsorption tower body, is used for collecting the adsorbed high-concentration oxygen, and is hermetically connected with the bottom of the adsorption tower body. Through the scheme of the embodiment of the invention, uniform flowing of gas can be ensured, and pressure drop can be reduced.

The invention belongs to the technical field of oxygen production, and particularly relates to low-pressure variable-pressure oxygen adsorption equipment which comprises an air compressor, a filter, a buffer tank, an oxygen storage tank and two groups of adsorption towers, and each group of adsorption towers is composed of an initial-end adsorption tower and a tail-end adsorption tower which are connected in series. The device further comprises a first valve assembly, a second valve assembly, a third valve assembly, a fourth valve assembly, a fifth valve assembly, a sixth valve assembly, a seventh valve assembly, an eighth valve assembly and a ninth valve assembly. The first valve assembly switches the two initial-end adsorption towers to be communicated with the buffer tank by collecting the same-end pressure difference of the same-end adsorption towers in the two sets of adsorption towers. The two groups of adsorption towers are automatically switched by using the pressure difference of the same ends of the two adsorption towers at the same end in the two groups of adsorption towers, so that the related structure for realizing the automatic switching is simple, and the cost is relatively low.

The invention relates to the technical field of oxygen production equipment, in particular to an efficient airflow distribution device and method for an oxygen production system.The efficient airflow distribution device for the oxygen production system.The efficient airflow distribution device for the oxygen production system.The efficient airflow distribution device comprises an adsorption tank and a rotary table, the adsorption tank is vertically arranged, the rotary table is rotatably arranged in the adsorption tank around the axis of the rotary table, and a plurality of cavities are formed in the adsorption tank; the multiple cavities are located above the rotary disc and spirally arranged upwards, a sieve plate is arranged between every two adjacent cavities in the circumferential direction of the adsorption tank, a first air inlet is formed in the rotary disc, and the first air inlet is communicated with the adjacent cavity of the rotary disc. The sieve plate is arranged between every two adjacent chambers, so that the gas adsorption effect is improved, the gas is mixed again every time the gas enters one chamber, and the subsequent adsorption of the sieve plate is facilitated. And the rotating disc is rotationally arranged, when the first sieve plate through which gas passes is adsorbed and saturated, the rotating disc rotates to enable the first gas inlet to directly introduce gas into the next cavity, and the sieve plate which is adsorbed and saturated is prevented from influencing the flowing speed of the gas.

The invention discloses a low-cost emergency portable oxygen generation and inhalation device with a universal bottle body as a reaction container, and belongs to the technical field of emergency and medical treatment. The device mainly comprises a bottle body connecting assembly (1), wherein the lower part of the bottle body connecting assembly (1) is provided with a bottle opening connector for being hermetically connected with a universal bottle body (7); the bottle body connecting assembly (1) is integrated with a water storage cavity (2); the air guide channel (3) is communicated with the universal bottle body (7) and the water storage cavity (2), the air inlet end of the air guide channel (3) is located at the top of the universal bottle body (7), and the air outlet end of the air guide channel (3) is located at the bottom of the water storage cavity (2); and an inlet of the oxygen inhalation catheter (5) is communicated with the top of the water storage cavity (2) through the water storage cavity upper sealing cover (4). A common mineral water bottle or a beverage bottle is used as a chemical reaction container, generated oxygen is guided into water in the water storage cavity through the air guide channel to be filtered, cooled and humidified, and then the oxygen is guided out through the oxygen inhalation catheter to be inhaled by a user. The device effectively solves the problems that traditional oxygen production equipment is heavy and expensive, and a special reaction container is not easy to carry, has the advantages of simple structure, low cost, good portability and convenience in operation, and is particularly suitable for outdoor emergency, plateau travel, family health care and other scenes.

The invention belongs to the technical field of medical instruments, and particularly relates to a medical oxygen generator adsorption tower capable of preventing molecular sieve pulverization. The invention discloses a medical oxygen generator adsorption tower capable of preventing molecular sieve pulverization, and aims to solve the technical problem of molecular sieve abrasion pulverization caused by high-frequency pressure alternation. The adsorption tower comprises a tower body shell, a molecular sieve filling cavity, a gas inlet and outlet assembly, an internal supporting structure system and a particle motion restraining device, the method is characterized in that through the synergistic effect of an axial constraint spring set, a radial damping gasket array, a bed layer partition plate, a middle elastic limiting ring and a rotational flow rectifier and in combination with a real-time state monitoring module and an intelligent control strategy, disordered movement and stress concentration of molecular sieve particles are effectively inhibited. By adopting the technical scheme, the molecular sieve can be remarkably prevented from being pulverized, the service life is prolonged to 10 years or above, the oxygen purity is stabilized at 93% + / -3%, and the high reliability requirement of medical oxygen production equipment is met.

The utility model relates to the technical field of aquaculture, in particular to an aerator protection mechanism which comprises two floating boats, the lower ends of the two floating boats are fixedly connected with a protection mechanism together, the upper ends of the two floating boats are fixedly connected with two fixing rods together, and the two fixing rods are distributed front and back and are not in contact. A protective cover is fixedly connected to the middles of the upper ends of the two fixing rods jointly, supporting frames are fixedly connected to the left sides and the right sides of the upper ends of the two fixing rods jointly, and a driver is fixedly installed on the lower wall in the protective cover. According to the aerator protection mechanism, the protection mechanism is arranged on the lower portion of the aerator protection mechanism, other parts of the aerator protection mechanism are all located in the protection mechanism, and when the aerator protection mechanism is used in water, a protection net cage in the protection mechanism can separate the other parts in the aerator protection mechanism from sundries and aquatic animals in the water; the situation that the device is damaged and the aquatic animals are injured due to the fact that sundries in water and the aquatic animals touch the rotating propeller during operation of the device is avoided.