780 results about "Oxygen plant" patented technology

The invention discloses an oxygenerator remote control system and method based on the Internet of Things, and belongs to the technical field of intelligent medical equipment and remote health management, and the method comprises the steps: S1, collecting multi-dimensional physiological data of a user in real time through a multi-source physiological signal collection module, a heart rate variability index and a body movement signal; s2, based on the multi-dimensional physiological data, processing is performed through a preset physiological state prediction model, and a unified physiological stress index is solved; s3, determining a predictive oxygen supply flow rate value in combination with the physiological stress index and a preset user basic oxygen supply flow rate; s4, according to the predictive oxygen supply flow velocity value, a control signal for a physical execution component of the oxygen generator is generated so as to dynamically adjust oxygen supply parameters, and conversion from passive compensation to active prediction is achieved.

The utility model relates to the technical field of medical oxygen generators, and discloses a high-efficiency energy-saving PSA oxygen generator which comprises an adsorption tank, a gas inlet pipeline, a nitrogen discharge pipeline, an I-shaped balance pipeline, a first purging pipeline, a second purging pipeline, an oxygen outlet pipeline, a purity measurement pipeline, a qualified gas pipeline, an unqualified gas pipeline and an emptying pipeline, a throttling element is arranged on each of an inlet pipeline and an outlet pipeline of the adsorption tank and used for controlling the flow of gas when the adsorption tank is balanced, impact of high-speed gas on a molecular sieve is avoided, oxygen-enriched air can stay at the top of the adsorption tank in various balance modes, and desorbed low-concentration oxygen is adsorbed again to obtain the oxygen-enriched air. And the oxygen recovery rate is improved, so that the air consumption is reduced, the required power of an air compressor is reduced, and the energy consumption required by oxygen production is reduced.

The invention discloses a vehicle-mounted oxygen production and air purification control method and system based on multi-sensor cooperation, and relates to the technical field of vehicle-mounted environment control, the oxygen concentration, PM2.5 concentration and AQS grade inside and outside a vehicle are detected in real time, and a vehicle state signal is obtained; judging whether an oxygen generator is started or not according to comparison between the in-vehicle oxygen concentration and the minimum oxygen concentration threshold value; if the oxygen generator is started, the oxygen generator circulation mode and the air purifier operation mode are switched according to the PM2.5 concentration inside and outside the vehicle and the AQS grade, and in the oxygen generation and air purification process under the mode operation, the oxygen generation flow and the air purification power are subjected to coupling regulation and control according to the PM2.5 concentration and the oxygen concentration inside the vehicle; meanwhile, safety protection regulation and control are carried out in combination with vehicle state signals; otherwise, detection and judgment at the next moment are carried out. The system energy efficiency can be improved, the oxygen concentration fluctuation is reduced, the safety performance is improved, and the user experience is improved.

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 provides oxygen cabin equipment and a control system, and relates to the technical field of oxygen cabins, and the oxygen cabin equipment comprises a cabin body which is provided with an observation door; the oxygen cabin main machine device comprises an oxygen generator and a main machine, the oxygen generator is electrically connected with the main machine, and the oxygen generator supplies oxygen to the cabin body through an oxygen inlet valve; the manual safety valve is used for performing manual pressure relief on the cabin body; the automatic constant pressure safety valve is installed in the cabin body, the automatic constant pressure safety valve comprises an automatic pressure detection device and a full-automatic pressure reduction and deflation device, the automatic pressure detection device is used for monitoring the pressure in the cabin body in real time, the full-automatic pressure reduction and deflation device is used for deflating the interior of the cabin body, and the automatic constant pressure safety valve is electrically connected with the host machine. Double safety guarantee is achieved through the manual safety valve and the automatic constant-pressure safety valve. Potential safety hazards caused by the fact that an existing oxygen cabin is not provided with a safety device are effectively avoided, and the safety of the oxygen cabin in the using process is guaranteed.

The invention provides vehicle-mounted equipment and a vehicle, and relates to the technical field of vehicles. The vehicle-mounted equipment comprises an oxygen generation assembly and a refrigerator assembly; the oxygen generation assembly comprises an oxygen generation mechanism and a nitrogen storage device; a nitrogen outlet of the oxygen generation mechanism is communicated with the nitrogen storage device, and nitrogen discharged from the nitrogen outlet can flow into the nitrogen storage device; the refrigerator assembly comprises a heat exchange area, the nitrogen storage device communicates with the heat exchange area, and nitrogen exhausted by the nitrogen storage device can flow into the heat exchange area. Nitrogen discharged by the nitrogen storage device flows into the heat exchange area, and after the nitrogen exchanges heat in the heat exchange area to a proper temperature, the nitrogen flows into a refrigerating box of the refrigerator assembly, so that the fresh-keeping function on food is achieved. According to the refrigerator, food is preserved through nitrogen, fat photooxidation caused by the fact that the UV lamp directly irradiates dairy products and the like can be prevented, peculiar smells generated by the refrigerator assembly are prevented, the UV lamp tube does not need to be wiped with ethyl alcohol regularly, and use convenience is high.

The invention discloses an intelligent oxygen generator for patients with chronic obstructive pulmonary disease, which comprises a household oxygen generator, and a portable oxygen generator is arranged on the household oxygen generator in a manner of being inserted and pulled out. The household oxygen generator comprises a main body shell, an air inlet, a display screen, a household oxygen outlet, a household humidifying water tank, a storage drawer, and a power supply, a central control module and an oxygen generation function module group which are positioned in the main body shell, the oxygen generation function module set comprises an air inlet module, an air compression module, a valve switching and control module, a separation module, an oxygen storage and buffer module and an exhaust module, the portable split type module design is adopted, so that the long-time oxygen inhalation requirement of a patient is met, meanwhile, the product supports intelligent operation, has the functions of intelligent monitoring, real-time adjustment and the like, and is suitable for popularization and application. Parameters such as oxygen concentration and flow velocity can be automatically adjusted according to different states of patients, and the problems that an existing oxygen generator is poor in environment adaptability, single in function, insufficient in portability and the like are solved.

The invention discloses a plateau oxygen generation system and method based on multi-source fusion and collaborative optimization, and the system comprises a double-oxygen-outlet-nozzle intelligent scheduling module, a temperature adaptive double-loop control module, an altitude adaptive parameter adjustment module, a Beidou emergency rescue module, and a cross-module collaborative optimization controller. The cross-module collaborative optimization controller is used for receiving the state quantity and the error quantity of each module in real time so as to construct a joint cost function; and solving the optimal control quantity of the joint cost function, and synchronously issuing the optimal control quantity to each module for corresponding control. According to the portable oxygen generator disclosed by the invention, the comprehensive capabilities of simultaneous on-demand oxygen supply for two persons, adjustment-free at 0-5500m, full-dimension self-adaption and no-net Beidou emergency rescue are realized for the first time, and the portable oxygen generator has very good practicability.

The invention discloses a control method, a control system and related equipment for constant temperature, constant oxygen and constant pressure. The control method comprises the following steps: acquiring temperature data, oxygen concentration data and pressure data in a cabin body in which an oxygen cabin mainboard is positioned; determining a current working stage according to the pressure data and a preset target pressure value; in the boosting stage, the opening degree of an air inlet valve of a control cabin, the rotating speed of an air compressor and the oxygen production amount of an oxygen generator are synchronously increased; in the pressure stabilizing stage, at least two of the opening degree of an exhaust valve, the opening degree of an air inlet valve, the rotating speed of an air compressor, the oxygen production amount of an oxygen generator and the temperature adjusting capacity of an air conditioner of the cabin are adjusted at the same time according to the temperature data, the oxygen concentration data and the pressure data; if so, controlling the oxygen generator to be closed, and controlling the opening degree of the exhaust valve and the rotating speed of the air compressor to synchronously change. According to the invention, higher-precision pressure control, oxygen concentration control and temperature control can be realized, and the stability of pressure, oxygen concentration and temperature is ensured.

The invention is suitable for the technical field of compound fertilizer production and fermentation, and provides a fermentation tank for microbial compound fertilizer production, the fermentation tank comprises a fermentation tank, two rows of dispersion mechanisms are arranged in the fermentation tank, each dispersion mechanism is rotatably connected with the inner wall of the fermentation tank, and two electric telescopic rods are arranged at the top of the fermentation tank. The telescopic ends of the electric telescopic rods are fixedly connected with exhaust pipes, all the exhaust pipes are jointly connected with an oxygen generator through hoses, the exhaust pipes are connected with a plurality of push seats, each push seat abuts against one dispersion mechanism, and under driving of the electric telescopic rods, the exhaust pipes can drive the push seats connected with the exhaust pipes to push the dispersion mechanisms to swing. Therefore, the compound fertilizer in the fermentation tank is dispersed. The problem of non-uniform oxygen distribution caused by caking of materials in the fermentation tank is solved, the caking is crushed through the synergistic effect of high-frequency vibration and elastic buffering, micropore channels are formed, and the oxygen permeation efficiency is improved.

The utility model relates to the technical field of oxygen generation equipment, and discloses a modularized oxygen generator, which comprises a main frame module, a main support, an oxygen storage tank and a control assembly, the compressor module is located on one side of the main support and detachably connected with the main support in a sliding mode through a first detachable structure. The molecular sieve module is positioned on the other side of the main bracket and is detachably connected with the main bracket in a sliding manner through a second dismounting structure; and the battery module is positioned on the lower side of the main bracket and is detachably connected with the main bracket in a sliding manner through a third detachable structure. According to the modularized oxygen generator, through the modularized design, the compressor module, the molecular sieve module and the battery module can be independently mounted and quickly dismounted, so that the independence of each functional module is improved, and the maintenance and replacement operation of the oxygen generator is greatly simplified.

A waste heat recycling device of a molecular sieve oxygenerator comprises an air compressor A, an air compressor B, a circulating water tank, a heat preservation water tank and a cooling tower, the air compressor A and the air compressor B are connected with a heat exchanger A and a heat exchanger B through circulating pipelines respectively, a thermostatic valve A and a thermostatic valve B are arranged on the circulating pipelines respectively, and the heat exchanger B is connected with the heat exchanger A and a heat exchanger C; the circulating water tank is connected with the heat exchanger A and the heat exchanger C, and a water pump A is arranged on a pipeline connected with the heat exchanger A. The circulating water tank is connected with the cooling tower so that the heat dissipation capacity of the air compressor at the high temperature in summer can be improved, the air compressor is prevented from being shut down at the high temperature, the PLC automatically switches the waste heat recovery mode and the cooling tower heat dissipation mode according to the water temperature priority, and energy waste is avoided. Multiple heat exchangers are adopted for heat exchange, circulating water and user water are isolated from each other, and scale and domestic water pollution caused by high temperature are avoided, so that energy needed by working of the cooling tower is saved, domestic hot water and energy needed by air conditioner heating are also saved, and the service life of the cooling tower is prolonged. In addition, the heat exchangers are all made of stainless steel materials and can tolerate possible corrosion of trace oil and water vapor in exhaust of the air compressor.

The utility model relates to the field of shrimp seed culture, in particular to a seed releasing device for shrimp seed culture, which comprises a sealing bag containing shrimp seeds and a ship body, the outer surface of the sealing bag is detachably connected with a cloth belt, and the two sides of the ship body are respectively provided with a plurality of groups of limiting and fixing mechanisms used for placing and fixing the cloth belt. A cutting mechanism for cutting the sealing bag is arranged in the ship body; by arranging the limiting and fixing mechanism, when a sealing bag filled with shrimp seeds is placed, a cloth belt is placed in the placing area, the sealing bag filled with the shrimp seeds is prevented from falling off before reaching a designated area, after the sealing bag is moved to the designated area, the threaded column is made to be away from the ship body by rotating the adjusting knob, and therefore the cloth belt can leave the placing area, and the shrimp seeds are placed in the placing area. The balancing weight prevents the placed sealing bag from moving at will, the sealing bag is fixed to a designated area, the effect of preventing the sealing bag from moving at will is achieved, and the problem that an existing sealing bag can move at will under the action of an oxygen generator and is prone to being gathered together is solved.

The utility model discloses a natural gas melting furnace for melting aluminum ingots, and belongs to the technical field of metal melting equipment. The melting furnace comprises a box body and a furnace body, a liquid oxygen storage tank, a VPSA oxygen generator and a waste gas treatment box are integrated in the box body, and the liquid oxygen storage tank is connected with an oxygen supply pipeline through a vaporizer; the furnace body shell adopts a gradient refractory layer structure; the oxygen supply pipeline is of a Y-shaped parallel structure, a flame arrester and a dynamic pressure balance valve are arranged in the oxygen supply pipeline, and the oxygen flow is adjusted through linkage of a pressure sensor and a controller. A water-cooling observation window is arranged on the inner wall of the furnace body, and a thermal infrared imager is installed on the outer side to monitor the temperature of a molten pool and feed back and control combustion power. According to the utility model, efficient melting, safe oxygen supply and accurate temperature control are realized through structure optimization, and the device is suitable for continuous melting scenes of aluminum ingots.

The utility model belongs to the technical field of oxygenerators, and discloses an adsorption tower and a pressure swing adsorption oxygenerator, the adsorption tower comprises a tower body and a diversion assembly, the tower body is internally provided with an adsorption cavity, two ends of the tower body are respectively provided with an air inlet and an air outlet which are communicated with the adsorption cavity, and the diversion assembly is arranged on the tower body. The flow guide assembly comprises a flow guide body located in the adsorption cavity and a pipe body which is arranged on the flow guide body and extends out of the adsorption cavity through the air inlet, an air containing cavity is formed in the flow guide body, and a plurality of air uniformizing holes communicated with the air containing cavity are formed in the peripheral side of the flow guide body. And on the other hand, the flow velocity of the clean compressed air passing through the molecular sieve is reduced, so that the adsorption effect of the molecular sieve on nitrogen and carbon dioxide in the clean compressed air is improved, and the oxygen production purity of the pressure swing adsorption oxygen generator is further improved.

The utility model discloses a three -way subassembly for molecular sieve oxygen generator, including a central pipeline and two bypass pipelines, two bypass pipelines inside respectively are equipped with check valve, and bypass pipeline includes transverse bypass pipeline and longitudinal bypass pipeline, is equipped with transverse main bypass through -hole in transverse bypass pipeline, is equipped with longitudinal main bypass through -hole in longitudinal bypass pipeline, and longitudinal bypass pipeline is close to the position of outer circumferential edge and is equipped with with longitudinal main bypass through -hole isolation's multiple longitudinal back flushing through -hole, is equipped with with transverse main bypass through -hole isolation's bypass back flushing through -hole in transverse bypass pipeline, is equipped with with main center through -hole isolation's center back flushing through -hole in central pipeline, and the both ends of center back flushing through -hole are communicated with respectively in two bypass pipelines bypass back flushing through -hole connection. The utility model forms the independent back flushing through -hole between two bypass pipelines, can realize the purpose of back flushing nitrogen -removing of molecular sieve cylinder through multiple back flushing through -holes to improve nitrogen -removing effect and oxygen -making efficiency.

The invention discloses a vehicle-mounted rear-mounted oxygen generator, which belongs to the technical field of oxygen generators, and comprises an oxygen generating main machine, an oxygen generator, an oxygen generator, a controller and a controller, the mounting seat is used for limiting the oxygen generating main machine in a sinking area of an automobile trunk; the mounting seat is provided with a containing space and a limiting part; the containing space is used for containing the oxygen generating main machine and limiting the oxygen generating main machine to displace relative to the mounting seat; and the limiting part is used for being matched with the sinking area of the automobile trunk to limit the mounting seat to displace relative to the sinking area of the automobile trunk. According to the invention, the oxygen generating host can be stably mounted in the sinking area of the automobile trunk.

The invention discloses a medical intelligent molecular sieve oxygen generator, and relates to the technical field of oxygen generators, the medical intelligent molecular sieve oxygen generator comprises a shell, a first connecting channel, a power supply connecting port, an air compressor, a rotary valve, a molecular sieve cylinder, an oxygen tank, an air pump and a sealing assembly, the first connecting channel is arranged on the outer wall of the shell, and the power supply connecting port is arranged on the outer wall of the shell; an air compressor is installed on the inner wall of the shell, and a rotary valve is installed at one end of the air compressor. A first connecting rod moves to drive a first clamping head to move, the first clamping head moves to drive a first spring to move, the first spring moves to enable the first clamping head to move out of a second opening, a machine door is installed on the outer wall of the shell, a molecular sieve cylinder is moved to move after the machine door is opened, and the molecular sieve cylinder moves to move out of a first clamping groove to be replaced. The molecular sieve barrel and the first clamping groove are sealed through the sealing gasket, and the function that the intelligent molecular sieve oxygen generator can rapidly replace the molecular sieve and shorten the oxygen generation maintenance time is achieved.

The utility model discloses a portable oxygen generator which comprises a machine shell, a cavity is formed in the top of the machine shell, and a movable groove is formed in the cavity; the clamping block is arranged in the cavity; the sealing plate is connected into the movable groove in a sliding mode and used for shielding the cavity, the two sides of the sealing plate penetrate through the machine shell and are connected to a limiting piece in a sliding mode, a lifting rod is rotationally connected into the cavity and can be located at a first position or a second position, and when the lifting rod is located at the first position, the lifting rod is driven by the sealing plate to rotate. The lifting rod is perpendicular to the bottom of the cavity; and when the lifting rod is located at the second position, the lifting rod is parallel to the bottom of the cavity. The portable oxygen generator has the beneficial effects that the technical problem that the oxygen generator in the prior art is inconvenient to carry in a storage state due to the fact that the handle on the machine body is of a fixed structure, the occupied space is large when the oxygen generator needs to be loaded and carried or the volume is reduced for storage during travelling is solved.

The utility model discloses a multifunctional oxygen generator, relates to oxygen generator technical field, including oxygen generator main part, the surface of oxygen generator main part is provided with the fixing mechanism, the surface of fixing mechanism is provided with the auxiliary mechanism, the top end of auxiliary mechanism is provided with the draw bar subassembly. The oxygen generator main body is aligned to the slot formed by the side plate and the baffle plate, when the bottom end of the oxygen generator main body is in contact with the clamping block, the oxygen generator main body extrudes the clamping block to move outwards, the second spring is extruded, and when the oxygen generator main body is in contact with the pressing plate, the first spring contracts under the extrusion of the bottom plate and the pressing plate, so that the oxygen generator main body moves outwards. When the oxygenerator main body needs to be disassembled, a shifting block is shifted to enable the clamping block to expand outwards, at the moment, a first spring pushes the oxygenerator main body to be lifted up, the oxygenerator main body can be taken out, and when the oxygenerator main body needs to be disassembled, the top end of the oxygenerator main body is lower than the bottom end of the clamping block, so that the top end of the oxygenerator main body is fixed by the clamping block; and the adaptability of the device is improved.

The application discloses a kind of micro high pressure oxygen cabin with traditional Chinese medicine essential oil atomization function, it is related to high pressure oxygen storehouse technical field, including main body shell, oxygen generator, atomizer, safety component, warning component, sterilization component, the safety component includes barrier unit, the barrier unit includes first blocking component, the first blocking component also includes first vaporization mechanism, when gas pressure becomes larger and exceeds set value, temperature rises, and safety component is opened by vaporization component, pressure relief, guarantee the safety of personnel in main body shell;The warning component includes warning unit, and the warning unit includes prompting component, and the prompting component is installed with power component, and the user in micro high pressure oxygen storehouse can promptly pay attention to use time by warning unit, and when just beginning to pressurize in cabin, the user is reminded, so that people have sufficient preparation in mind, prevent sudden pressurization harm people's body and mind.

The invention relates to the technical field of deep-sea microorganisms, and particularly discloses a deep-sea in-situ culture device which comprises a protective shell, a cavity is formed in the protective shell, a water inlet and a gas conveying mechanism are arranged on the cavity, the gas conveying mechanism comprises a gas outlet pipe, a pressure swing adsorption oxygen generator is connected to the protective shell, and the pressure swing adsorption oxygen generator is connected to the protective shell. A first gas conveying pipe is connected to the pressure swing adsorption oxygen generator, a gas concentration detector and an exhaust pipe are connected to the first gas conveying pipe, a gas outlet pipe is arranged on the exhaust pipe, a protection plate and a culture mechanism are further arranged on the protection shell, and the culture mechanism comprises a first culture tank, a second culture tank and a third culture tank. According to the device, the gas conveying mechanism is matched with three independent culture units of a first culture tank, a second culture tank and a third culture tank in the culture mechanism, so that the device has the capability of carrying out a multi-dimensional experiment, and the suitability of the device to deep-sea biology multi-dimensional research requirements is remarkably improved; and an efficient experimental platform is provided for living strategies of organisms in an extreme environment.

1. The name of the design product: oxygen generator (Pure series). 2. The use of the design product: for oxygen production. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention belongs to the technical field of indoor environment construction in high-altitude areas, and particularly relates to an indoor oxygen-enriched humidifying air cooperative regulation and control system and method for a building in a high-altitude area. The system comprises a shell, wherein an air inlet and an air outlet are formed in the shell; an oxygen enrichment module used for air oxygenation and a humidification module used for air humidification are arranged in the shell. Along the air flow from the air inlet to the air outlet, the oxygen enrichment module comprises an induced draft fan, a primary filter screen and an oxygen generator which are arranged in sequence; an oxygen-enriched air bypass pipe is arranged on one side of the oxygen generator and used for feeding oxygen prepared by the oxygen generator into the humidifying module; an electromagnetic valve is arranged on the oxygen-enriched air bypass pipe; the humidifying module comprises a preheating coil, a humidifying chamber, a surface air cooler, a reheating coil, a pressure stabilizing chamber, a secondary filter screen and an air supply fan which are sequentially arranged. The problems of equipment system redundancy, low control precision, mutual interference of oxygen-enriched gas flow humidification air and local dew formation and water accumulation caused by humidification due to regulation and control of a humidity subsystem and an oxygen subsystem in the prior art are solved.

This utility model discloses an active electromagnetic vibration damping device for a portable oxygen concentrator compressor, including a housing. A connecting wire is inserted into a clamping block, and the other end of the connecting wire is electrically connected to a control system. A permanent magnet is fixedly connected to the middle of the upper end of the compressor, and a vibration displacement sensor is installed on one side of the upper end of the compressor. One end of the vibration displacement sensor is electrically connected to the control system, and the control system is electrically connected to a PLC controller. This portable oxygen concentrator compressor active electromagnetic vibration damping device can form a closed-loop magnetic field area with the permanent magnet through three sets of distributed electromagnetic coils. Vibration displacement can be detected by the vibration displacement sensor, allowing for real-time vibration cancellation through active electromagnetic control technology. Support pads can be used for auxiliary vibration damping, resulting in better performance. Furthermore, the support base frame and support feet can be adjusted for height via support rods and lifting slots, offering excellent adaptability.

This utility model relates to the field of ventilation therapy equipment and discloses an oxygen concentrator that does not require an internal battery. It includes: an adsorption tower with an oxygen outlet; an oxygen tank configured to receive and store oxygen produced by the adsorption tower from the outlet; a control component including a pulse valve located at the oxygen supply end of the oxygen tank, the pulse valve being controlled to open during the user's inhalation and close during exhalation to form a pulsed oxygen supply; and a power connection component configured to connect to an external power source, which serves as the sole power source for the oxygen concentrator. The pulse valve design prevents oxygen waste caused by outputting oxygen during the user's exhalation. Compared to oxygen concentrators that provide continuous oxygen supply, this battery-free oxygen concentrator is smaller and more convenient, effectively mitigating the inconvenience caused by the large size of traditional oxygen concentrators, while maintaining the same amount of oxygen inhaled by the user.

The utility model provides a compressor heat dissipation layout structure for a molecular sieve oxygen generator, which relates to the technical field of heat dissipation of the molecular sieve oxygen generator and comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a housing, the housing is provided with a heat dissipation groove, the upper surface of the bottom plate is provided with a compressor body, the compressor body is provided with heat dissipation fins, and the heat dissipation fins are arranged on the compressor body. And a plurality of cooling fans are arranged on the housing. According to the utility model, the plurality of cooling fans are arranged, all the cooling fans face the cooling fins, and external air is directly blown to the cooling fins on the compressor body through the cooling fans, so that the air blows high-temperature air in the oxygen generator to be discharged from the cooling grooves in the housing, and therefore, the cooling effect and the cooling uniformity are improved, and the service life of the oxygen generator is prolonged. And therefore, the temperature of the compressor body is quickly reduced, and the service life of the compressor body is prolonged.

The utility model provides a mounting structure of an oxygen supply assembly and an oxygen generator. The mounting structure of the oxygen supply assembly comprises a cavity, and an atmospheric pressure cavity, a circuit board and an oxygen spraying valve which are arranged in the cavity, the circuit board is provided with a differential pressure type respiration sensor and an oxygen storage tank pressure sensor, the atmospheric pressure cavity is communicated with the atmosphere, and a valve seat of the oxygen spraying valve is provided with an air inlet used for being connected with an oxygen storage tank, an oxygen supply port used for supplying oxygen to the outside and a tank pressure monitoring port connected with the oxygen storage tank pressure sensor. The respiration sensor interface is connected with the differential pressure type respiration sensor; the differential pressure type respiration sensor is connected with the atmospheric pressure cavity and the respiration sensor connector, the accuracy of the detection result can be improved, the oxygen storage tank pressure sensor can be connected with the oxygen storage tank through the valve seat and detect the oxygen pressure, no hole needs to be additionally formed in the oxygen storage tank, and therefore the integrity of the oxygen storage tank is higher, and the air tightness is better.

The invention discloses a multifunctional oxygenerator with an oxygen concentration adjusting function, and relates to the technical field of oxygenerators, the multifunctional oxygenerator comprises a bottom plate, universal wheels are mounted at the bottom of the bottom plate, a support frame is fixedly mounted on the top surface of the bottom plate, protective shells are fixedly connected to the two sides of the support frame, a processor is mounted on the front side of each protective shell, and the processor is mounted on the front side of each protective shell. A ventilation filter screen is installed at the top of the bottom plate, a fixing box is fixedly installed at the top end of the bottom plate, and a heat dissipation compression assembly is installed on the supporting frame. The core problems that waste heat of a traditional oxygen generator is not recycled, so that environmental protection performance is poor, and shell dismounting operation is complex are effectively solved, meanwhile, oxygen generation stability, oxygen using flexibility, sealing reliability and energy saving performance are improved in a multi-dimensional mode, the practicability and environmental protection performance of equipment are considered, and the requirements of diversified oxygen using scenes are met.

The application relates to the technical field of oxygen generators, in particular to an oxygen generator with waste gas recycling structure, which comprises an outer shell body, an air inlet mechanism installed on the rear side of the outer shell body, a first mounting frame and a second mounting frame internally installed below the outer shell body, an oil-free air compressor connected above the first mounting frame, a filter connected above the oil-free air compressor, a waste gas treatment chamber for recycling waste gas symmetrically installed below the second mounting frame, a gas uniform dispersion assembly internally installed on the right side of the waste gas treatment chamber, an intermittent air inlet control assembly internally connected in the middle of the waste gas treatment chamber, and a first adsorption assembly and a second adsorption assembly sequentially installed on the left side of the waste gas treatment chamber from right to left. The oxygen generator with the waste gas recycling structure can improve the purity of nitrogen in the recycled waste gas, facilitates the reuse of the purified waste gas, reduces energy consumption, improves the environmental protection performance of the oxygen generator, and reduces the influence on the environment.