778results about "Breathing protection" patented technology

The invention relates to the technical field of water level monitoring, in particular to a visual monitoring system for the condensate water level of a micro-hyperbaric oxygen chamber, which adopts the technical scheme that an internal image of a water receiving box is acquired at a preset frequency, and water mist and reflective interference are eliminated by adopting a dynamic illumination compensation and frequency domain filtering technology; a U-Net deep learning model is integrated, a water level line is segmented through multi-scale feature fusion, foam and impurity artifacts are recognized in combination with time sequence analysis, a water level value is dynamically corrected, graded alarm is triggered according to a water level threshold value, an air conditioner drainage system is linked, traditional image processing and the deep learning model are combined, and detection robustness under complex working conditions is improved. Real water levels and interferents are effectively distinguished through time sequence analysis and physical characteristic modeling, the real-time requirement under the high-pressure environment is met through the model compression and hardware acceleration technology, and absolute reliability of equipment operation is ensured through linkage of a grading early warning mechanism and a drainage system.

The invention discloses a control system and method based on an integrated intelligent micro-high-pressure oxygen-enriched cabin, and the system comprises a data collection module which collects the real-time physiological parameters of a user and the environment data in the cabin, and obtains a multi-modal fusion data set; the decision obtaining module is used for constructing a high-fidelity physiological deduction model to predict the health trend and oxygen therapy response of the user by utilizing an adversarial digital twinborn body and combining a physiological environment dynamic causal mining mechanism based on the multi-modal fusion data, and obtaining a personalized oxygen therapy optimization scheme; the structure of the high-fidelity physiological deduction model comprises a causal antagonism digital twin body improved through a physiological environment dynamic causal mining mechanism, a causal generator and a causal discriminator; the intelligent control module is used for adjusting the pressure, the oxygen concentration and the treatment duration of the micro hyperbaric oxygen chamber in real time on the basis of a personalized oxygen therapy optimization scheme, and intelligent control is achieved.

The invention relates to the technical field of micro-pressure oxygen cabins, in particular to an intelligent integrated oxygen generation and coordinated regulation and control method for a micro-pressure oxygen cabin, which comprises the following steps: supplying air to a cabin body of the micro-pressure oxygen cabin by adopting an air compressor, stably increasing the pressure in the micro-pressure oxygen cabin and stabilizing the pressure at a preset treatment pressure of 30kPa-50kPa through an intelligent pressure regulation and control system, high-pressure air in the micro-pressure oxygen cabin body serves as an oxygen production source and is conveyed to the VPSA oxygen production main machine; the VPSA oxygen production main machine adsorbs nitrogen through a zeolite molecular sieve filled in the VPSA oxygen production main machine and collects oxygen; s2, pressurizing the oxygen collected in the step S2 to 0.1-0.4 MPa or above through a supercharger, conveying the oxygen back into the micro-pressure oxygen cabin body, and allowing the user to breathe through an oxygen supply device; an intelligent cooperative control system is constructed, integrated management is carried out on the whole process of pressure boosting, pressure stabilization, oxygen generation, oxygen supply, safety and environment regulation and control, the occupied area and the purchase cost of equipment are reduced, the human error risk is reduced, and the micro-pressure oxygen treatment requirement under multiple scenes is met.

The invention particularly relates to a micro-hyperbaric oxygen chamber oxygen supply system and a micro-hyperbaric oxygen chamber monitoring system. The micro-hyperbaric oxygen chamber oxygen supply system comprises a data collection module, an oxygen supply module and a monitoring module, the data analysis module is used for respectively analyzing the state information of the compressor, the blockage state information of the air filter and the leakage state information to obtain an abnormal coefficient, a blockage coefficient and a possible leakage coefficient of the compressor; the comprehensive processing module is used for comprehensively processing the compressor abnormal coefficient, the blockage coefficient and the leakage possibility coefficient to obtain a monitoring evaluation coefficient; and a judgment module. According to the method, multi-physical field data fusion and spatial feature analysis are carried out, the system achieves the crossing from single-point threshold value alarm to whole-system health assessment, the current fault can be accurately positioned, potential risks such as the compressor bearing abrasion rate and the filter accumulated dust increasing trend can be predicted through the historical data trend, and the fault diagnosis accuracy is improved. And advanced intervention of preventive maintenance becomes possible.

The invention discloses an oxygen supply pressure dynamic adjusting method and system based on a medical cabin, and relates to the technical field of medical equipment and medical information.The method comprises the steps that the real-time oxygen supply pressure of the medical cabin and physiological data of a patient are collected; predicting pressure disturbance of an oxygen supply network through a graph neural network, and identifying a risk medical cabin; monitoring oxygen pressure mutation at an inlet of an oxygen supply pipeline, and identifying an interfered medical cabin; based on the real-time physiological data of the patient, generating a dynamic physiological baseline through parameter empirical Bayesian calibration; calculating a comprehensive deviation index of the physiological data and the baseline through sliding window integration, and determining a compensation control vector; generating a compensation instruction set by combining the abrupt change of oxygen pressure and the compensation control vector; the executed physiological parameters and oxygen supply pressure data are fed back to the medical health big data platform, and closed-loop adjustment is achieved. The problems that an existing medical cabin oxygen supply system is insufficient in accuracy, weak in anti-interference capacity, difficult in personalized adjustment and the like due to control lag, passive response and static reference setting are effectively solved.

The invention relates to the technical field of thermal therapy cabins, in particular to a movable thermal therapy cabin and a using method thereof.The movable thermal therapy cabin comprises a cabin body, an access opening is formed in one side face of the cabin body, a door plate is hinged to the interior of the access opening, a bed board is installed at the bottom in the cabin body, and a plurality of anti-acidification biological bricks are laid on the surface of the bed board; the method has the following beneficial effects that acid-resistant protection and cell repair are synchronously promoted, and a closed-loop health maintenance effect is formed.

The invention discloses a deep foundation pit safety early warning escape system based on multi-source data deep learning, and the system comprises a multi-source monitoring module which is composed of multi-source data collection equipment disposed in a deep foundation pit and is used for collecting multi-source data in the deep foundation pit; the early warning platform is in communication connection with the multi-source monitoring module through the data transmission module; the early warning platform is internally provided with a deep learning model, and the deep learning model is used for carrying out fusion analysis on multi-source data, predicting a foundation pit deformation trend and a safety risk level, and outputting a graded early warning signal; and the escape execution module is in communication connection with the early warning platform and is used for responding to the early warning signal and automatically starting an escape program. Through deep fusion of multi-source data, development of the early warning platform and design of the escape execution module, the safety and reliability of deep foundation pit construction are improved.

The utility model discloses an independent oxygen discharging device for a hyperbaric oxygen chamber, and particularly relates to the technical field of hyperbaric oxygen chambers, which comprises a box body I. The right end of the outer surface of an air inlet pipe is fixedly connected with an air storage component, and the right part of the air storage component is fixedly connected with a plurality of shunting components at intervals; the right portions of the multiple flow dividing assemblies are jointly and fixedly connected with a dust removal mechanism, and an inner cavity of the third heat insulation box body is fixedly connected with a sterilization mechanism. According to the independent oxygen exhausting device for the hyperbaric oxygen chamber, the function of temporarily storing gas in the hyperbaric oxygen chamber can be achieved through the gas storage assembly, and the function of uniformly conveying the gas exhausted from the hyperbaric oxygen chamber into the dust removing mechanism can be achieved through the flow dividing assembly; and meanwhile, the dust removal mechanism can perform dust removal on the conveyed gas, and the sterilization mechanism can perform high-temperature sterilization on the discharged gas, so that the practicability and universality of the device are improved.

The invention discloses a thermal environment and air quality self-adjusting intelligent emergency rescue cabin and method, and relates to the technical field of emergency rescue. The core of the method is that firstly, heat loss characteristics of the rescue cabin are learned through a simulated environment, and a standard loss rate is established; then, a target temperature interval is set, and based on comparison between the temperature loss rate monitored in real time and a standard value, hierarchical temperature control modes such as dormancy, low-power-consumption maintenance or dynamic balance are dynamically selected. Furthermore, by integrating vital sign monitoring, the target temperature can be dynamically adjusted according to parameters such as the core body temperature, blood oxygen and blood pressure of a patient, medical intervention modes such as active cooling and shock rewarming are started, and safe rewarming is achieved in the shock rewarming mode in the mode that a core area is heated through directional radiation. The system is also internally provided with a multi-rule priority arbitration mechanism. The cabin body comprises a sensor, an air conditioner, vital sign monitoring equipment and a directional heating plate. Unification of energy conservation, temperature stabilization and precise medical intervention is achieved, and the intelligent level and the safety guarantee capacity of emergency rescue are remarkably improved.

The invention discloses a hyperbaric oxygen chamber device capable of being remotely monitored, and relates to the technical field related to hyperbaric oxygen therapy, the hyperbaric oxygen chamber device comprises a chamber body, a door frame is arranged at the front end of the chamber body, an oxygen pumping main machine is arranged on the lower side of the left end of the chamber body, and a monitor is arranged at the upper right corner of the front end of the chamber body; the oxygen pumping main machine and the monitor are both electrically connected with an external power source through wire harnesses, a deck chair is arranged in the cabin body, and a cabin door is arranged in the door frame. After the mechanical connection chain is forcibly interrupted and the pressure returns to normal, the spring mechanism automatically resets to enable the transmission system to be meshed again, so that the connection state of the interlocking assembly in different pressure states is realized, the risk of mistakenly opening the cabin door in a high-pressure environment is physically eliminated, and the failure risk caused by the fact that a traditional oxygen cabin depends on an electronic sensor is avoided; and the medical safety is improved.

The utility model discloses a split mounting type oxygen cabin which comprises an oxygen cabin main body, the oxygen cabin main body comprises four first cross beams, four second cross beams, four stand columns, a door frame, a cabin door and a plurality of bearing plates, the two first cross beams and the two second cross beams form a rectangular frame, and the door frame is connected with the door frame. The two rectangular frames are arranged at the upper ends and the lower ends of the four stand columns respectively, the multiple bearing plates are arranged between the two rectangular frames respectively, the door frame is arranged between the upper ends and the lower ends of the two rectangular frames, and the bearing plates are in an arc shape. Connecting assemblies are arranged between the first cross beam and the second cross beam and between the second cross beam and the stand columns. The oxygen cabin provided by the utility model adopts an assembly structure, and meanwhile, an aluminum alloy material with small specific gravity is adopted, so that a worker can assemble the oxygen cabin conveniently, and the problems of long production cycle and inconvenience in transportation and hoisting of the oxygen cabin due to the adoption of an integral forming production mode such as welding and the like in the conventional oxygen cabin are effectively solved.

The invention provides a terahertz intelligent energy cabin, and relates to the technical field of health maintenance equipment. The energy cabin comprises a cabin body, and a plurality of functional modules in the cabin, such as a massage assembly, a terahertz wave emitter, a quantum biological resonance assembly, a gyromagnetic recuperation assembly, a negative oxygen ion generation assembly, a biological brain wave monitoring assembly, a sound therapy system, a micro-pressure oxygen supply assembly and the like. All the modules are electrically connected with the intelligent control module, the intelligent control module integrates a multi-mode fusion intelligent evaluation model and a self-adaptive closed-loop regulation and control model, multi-source data can be processed, parameters of all assemblies can be dynamically adjusted, and cooperative operation of the system is guaranteed. According to the invention, the multi-functional module is integrated, cooperative operation and dynamic regulation and control are realized through the intelligent control module, multi-dimensional, personalized and intelligent comprehensive recuperation can be realized, and the modern health management requirements are met.

In some examples, a system includes an article of personal protective equipment (PPE) that includes a communication component; an industrial controller device that is configured to control an industrial device and includes a communication component; and a computing device communicatively coupled to the article of PPE and the industrial controller device, wherein the computing device is configured to: receive PPE data from the article of PPE and industrial controller data from the industrial controller device; determine, based at least in part on a set of the PPE data that temporally corresponds to a set of the industrial controller data, an occurrence of a safety event; and perform, based at least in part on the determination of the safety event, at least one operation.

The invention provides an infrared physiotherapy cabin system and method based on animal and environment cooperative regulation and control, and relates to the field of animal physiotherapy and intelligent monitoring control. Comprising an animal state and cabin environment monitoring module, an infrared physiotherapy and cabin environment regulation and control module, an animal health assessment and curative effect assessment module, a personalized treatment and intelligent decision module and a man-machine interaction and safety supervision module. A credibility result is formed through multi-modal data synchronous alignment and data quality evaluation, health state characterization is constructed under credibility gating, a risk level is output, and infrared physiotherapy control parameters and cabin environment regulation and control parameters are generated through cooperative control under the constraint of a stage control boundary and a treatment target and are issued and executed. Continuously adjustable parameters are subjected to online fine adjustment in the physiotherapy process, and rollback and interlocking protection is executed when the risk is increased or the credibility is reduced; after the period is finished, the curative effect is evaluated, data recording and tracing archiving are completed, and collaborative closed-loop infrared physiotherapy regulation and control of the animal state and the in-cabin environment are achieved.

The invention relates to the technical field of hyperbaric oxygen physiotherapy cabins, in particular to a terahertz wave micro hyperbaric oxygen physiotherapy cabin which comprises a cabin body, a door opening is formed in one face of the cabin body, a cabin top is installed at the top of the cabin body, and a door plate is hinged to the interior of the door opening through a hinge; the deep sea volcanic energy stone treatment device comprises a cabin, two groups of bed bodies are arranged in the cabin, the two groups of bed bodies are symmetrically mounted in the cabin, each bed body is of a hollow structure, and a plurality of terahertz wave generation modules are uniformly laid on the upper surface of each bed body through a support. The pelelith-based passive terahertz releaser formed after the pelelith-based passive terahertz releaser is combined with the ceramic matrix can continuously release terahertz waves with the frequency band of 0.1-12 THz, the vibration frequency is consistent with that of human cells, and the terahertz waves with the frequency band can repair biological enzyme and nucleic acid structure deformation caused by free radical attack and age increase through the biological resonance effect, so that the pelelith-based passive terahertz releaser can be used for repairing biological enzyme and nucleic acid structure deformation caused by free radical attack and age increase. The metabolic function is recovered from the cell molecule level, and the defect that a traditional oxygen cabin can only supply oxygen on the surface layer and cannot be deeply repaired is overcome.

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 an immersive psychotherapy simulation device based on augmented reality and a control system, and relates to the technical field of psychological disease treatment.The immersive psychotherapy simulation device comprises a treatment cabin, a built-in cabin is installed in the middle of the treatment cabin, installation openings are formed in the top and the bottom of the built-in cabin, and a main controller is installed at the top of the treatment cabin; load-bearing supporting legs are installed on the two sides of the bottom of the treatment cabin body, an opening and closing cabin door is connected to one side of the front face of the treatment cabin body through hinges, a detection cabin opening is formed in one side of the built-in cabin body, and a treatment cabin opening is formed in the other side of the built-in cabin body. The problems that in the actual treatment process of existing treatment equipment, intervention is not timely, the intervention time is long, psychological doctors usually reproduce the treatment scene in a photo or film mode during intervention, the trueness is low, the treatment scene cannot be vividly and stereoscopically presented, the treatment effect is poor, and the treatment effect is poor are solved. And the effect of the whole treatment process cannot be objectively displayed.

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 man-machine interaction, and particularly discloses a plateau intelligent medical care cabin and a man-machine interaction method thereof.The method comprises the following steps that a plurality of microphone arrays are arranged, sound signals in the intelligent medical care cabin are collected based on the microphone arrays, and voice signals of a user in the sound signals are captured in combination with the intelligent noise reduction technology; inputting the voice signal into a pre-trained emotion scoring model, and outputting an emotion score of the voice signal; the voice signal is converted into a text format to obtain a voice text, the voice text is input into a pre-integrated large language model, the large language model gives a corresponding reply, and corresponding equipment in the medical care cabin is controlled through the reply; and correcting the working power of the equipment according to the emotion score. According to the invention, the convenience degree and the intelligence degree of human-computer interaction of the medical care cabin are improved.

A transparent intubation barrier in the form of a box is provided which substantially reduces aerosol exposure and the transmission of disease between patient and healthcare provider.

The invention provides a sound wave and low-frequency pulse collaborative sleep-aiding oxygen cabin control method, which comprises the following steps of: setting a basic period stage of an oxygen cabin on the basis of a superdaily rhythm of a human body sleep period, and determining a core physiological target of the basic period stage; respectively carrying out time sequence matching of low-frequency pulse, sound wave stimulation and oxygen supply pressurization; carrying out nerve conduction path matching and organ response space-time synchronization based on the corresponding organ nerve induction partitions; establishing a fuzzy control model, performing multi-parameter real-time detection, and dynamically adjusting modal parameters according to monitoring data of human body physiological indexes; setting a pulse intensity upper limit, a sound wave decibel upper limit, an oxygen concentration upper limit and a single pressurization duration, and executing oxygen cabin operation control according to the modal parameters. The method has the advantages in physiological adaptation, collaborative accuracy, individual adaptation and safety guarantee, fits the electroencephalogram and physiological law of natural sleep, and improves the sleep continuity.

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 provides an unmanned aerial vehicle iron tower hanger anti-falling protection device, and relates to the technical field of electric power tools, the unmanned aerial vehicle iron tower hanger anti-falling protection device comprises an unmanned aerial vehicle, an adjustable lifting hook and a protection hanger main body, the adjustable lifting hook is connected below the unmanned aerial vehicle, an electromagnetic locking device is arranged below the adjustable lifting hook, and the electromagnetic locking device is used for locking and connecting the protection hanger main body. The protection hanging rack body is used for being in butt joint with a cross arm, and the lower portion of the protection hanging rack body is connected with a flexible guide rail. The unmanned aerial vehicle brings the protection hanging frame body to the corresponding position above the iron tower and fixes the protection hanging frame body to a cross arm at the head of the iron tower, the flexible guide rail extends to the bottom of the tower, and after an operator under the tower tests that the flexible guide rail is reliably connected, the speed difference protection self-locking device is connected with the safety belt buckle ring in a buckled mode to be matched with the flexible guide rail, so that the protection purpose is achieved; double protection can be provided for power transmission professional pole tower climbing operators in the pole tower climbing and transposition process, and the accident that the operators fall from high positions is prevented.

The utility model discloses an air pressurizing and purifying box for a plateau pressurizing cabin, which relates to the field of air pressurizing and purifying and comprises a lower shell, an air outlet filter and an air inlet filter, and the air outlet filter is fixedly arranged on the side wall of an air outlet filter support. Through the arrangement of the air inlet filter and the air outlet filter, air is filtered by the air inlet filter and then conveyed into the pressure pump, then the pressure pump can pressurize the air, and the pressurized air can be conveyed into the air outlet filter through the connecting mechanism; aCF (activated carbon fiber) filter elements in the air inlet filter and the air outlet filter have relatively large surface areas, rich micropores, high adsorption capacity and relatively high removal efficiency on harmful gas and odor in air, a box body is made of high-strength light aluminum alloy, then the air is compressed by a pressure pump, dust particles, peculiar smell and moisture are removed by an air purification system, and the air is purified by an air purification system. Clean compressed air is conveyed into the cabin through the hose, and the pressurization effect is achieved.

The invention discloses a thoracic surgery wound dressing change whole-course sterile protection intelligent operation mechanism which comprises an operation mechanism, a limiting mechanism and a fixing buckle, and the operation mechanism, the limiting mechanism and the fixing buckle are arranged in an upper-middle-lower structure; the operating mechanism comprises a middle pad, a first fixing block, a first breaking ball, a positive pole magnetic plate, a first placement groove, a limiting column, a rotating hole, a rotating shaft, a rotating roller, a fixing rubber column, a first visual film, a top pad, a second fixing block, a second breaking ball, a negative pole magnetic plate, a second placement groove, a first fixing hole, a second fixing hole, a breathable film, a third fixing block, a flexible film sensor, a fixing ring, a second visual film and a soft sealing buffer ring. The first through groove is arranged in the first through groove. According to the scheme, by means of the integrated design of intelligent monitoring, dynamic sealing, convenient operation and close fitting, the problem of pain points in the prior art is solved, upgrading from passive protection to active monitoring is achieved, and the whole-process sterility, operation efficiency and wearing experience are all considered.

Spacers include a base configured to be placed within depressions of one of a cover or a baseplate of a reticle pod, and a contact surface configured to contact the other of the cover and the baseplate. The spacers are configured to space the cover and the baseplate apart from one another such that sealing surfaces of the cover and the baseplate are separated by a gap. The depressions can be gripper pockets of the baseplate. Multiple spacers can be used in a reticle pod to provide the gap between sealing surfaces. The spacers can be installed to prepare a reticle pod for shipment.

This invention discloses a device and method for coordinated control of temperature and humidity in an oxygen chamber, belonging to the field of environmental regulation technology. The device includes a shell, a humidification module, a wet curtain, a drive module, and a floating component. The shell has a first air outlet, and a fan is fixedly installed inside the shell. The wet curtain is located between the fan and the first air outlet. The humidification module delivers water to the top of the wet curtain through a water supply channel to ensure that the wet curtain remains moist. External air enters the system through an air inlet, passes through a filter to remove impurities, and is guided by the fan through the wet curtain. Heat and humidity exchange occur when the air passes through the wet curtain, water evaporates into the air, and heat is absorbed, lowering the air temperature and increasing the humidity. The floating component moves with the rise of the water level, causing the drive module to change position, reducing the amount of water sprayed, and preventing over-humidification.

This utility model discloses an active exhaust saturated oxygen therapy device, comprising an oxygen source, an oxygen therapy device, and an active exhaust structure connected sequentially via tubing. The oxygen therapy device includes a respirator, a saturated oxygen mask, and an elastic airbag connected sequentially. The active exhaust structure includes a vacuum tank and a vacuum pump. The elastic airbag has an inlet and an outlet. The saturated oxygen mask is connected to the inlet of the elastic airbag via tubing, and the outlet of the elastic airbag is connected to one end of the vacuum tank via tubing. The other end of the vacuum tank is connected to the vacuum pump. A vacuum pressure sensor is installed on the vacuum tank. This utility model solves the problems of reliance on chamber pressure for exhaust and uneven exhaust in existing technologies. This utility model can achieve uniform and efficient exhaust in low-pressure and zero-pressure environments. It can also effectively handle instantaneous high-flow exhalation, avoiding suffocation and improving the user experience for oxygen therapy personnel.

The utility model discloses a miniature hyperbaric oxygen chamber with a horizontal structure, and relates to the technical field of hyperbaric oxygen chambers. Comprising a movable bin, the movable bin is used for moving to expand space, the outer wall of the movable bin is fixedly connected with a telescopic cover, the telescopic cover is used for guaranteeing the sealing performance of the movable bin after moving, and the end, away from the movable bin, of the telescopic cover is fixedly connected with a fixed bin. According to the multifunctional oxygen cabin, the space can be flexibly expanded, the size of the internal space can be adjusted according to actual use requirements, the diversified requirements of different users or different use scenes for the space are met, and the applicability and practicability of the oxygen cabin are improved; the stability and reliability of the whole cabin body structure are greatly enhanced while it is guaranteed that the position of the moving cabin is stable after moving.

The present invention discloses an intelligent control system for gas medical equipment, which relates to the field of medical equipment control technology. The control system comprises a data acquisition module for acquiring oxygen chamber service environment parameters, wherein the oxygen chamber service environment parameters include the actual air pressure value of the oxygen chamber, the air leakage rate of the oxygen chamber pipeline and the internal temperature value of the oxygen chamber; a dynamic modeling module for constructing a field variable matrix based on the oxygen chamber service environment parameters and outputting a dynamic viscosity correction parameter; a stability evaluation module for calculating the actual oxygen supply resistance value by using the dynamic viscosity correction parameter, and generating an oxygen flow deviation index in combination with the target oxygen supply resistance value and the actual oxygen flow rate to evaluate the oxygen supply stability; a closed-loop compensation module for executing a dual-channel compensation strategy according to the oxygen flow deviation index, outputting an air pressure compensation value and an air leakage compensation value, and then compensating the actual oxygen supply resistance value, and feeding back the compensated actual oxygen supply resistance value to the dynamic modeling module for dynamically adjusting the calculation formula of the dynamic viscosity correction parameter, thereby realizing precise control of the oxygen supply stability.