122results about How to "Cut off the transmission route" patented technology

The invention discloses a kiwifruit tree planting method. Connected greenhouses are used for cultivation, greenhouse films and arrangement of the greenhouses are adjusted along with change of seasons, the four-prevention measures including anti-freezing measures taken in winter and spring, rain sheltering and disease preventing measures taken in the rainy season, and cooling and sun blocking measures and windproof measures taken in midsummer are adopted, matched labor-saving tree cultivating management is performed, the capacity for coping with extreme weather in rainy and high-temperature areas in the south is effectively improved, and the high temperature and high humidity disease problem and the like which are difficult to solve in open field cultivation and traditional facility cultivation are solved. Due to the adoption of the method, the kiwifruit disease transmission route can be effectively cut off, input cost is low, manpower is saved, the survival rate of kiwifruit trees reaches 95.2%, the average single weight of red kiwifruits can reach 86 g under the situation that no swelling agents are applied, and the largest single fruit weight reaches 103.5 g; the soluble solid reaches 17.4% to 19.1%; the fruit cleanness is obviously improved, use of swelling agents and high-poison and mediate-poison pesticide is effectively eradicated, and quality safety of the fruits is guaranteed.

The invention provides a method for preventing computer virus. The method includes the steps that: before an external file or data are needed to be transferred into an information system, reading the whole content of the file or data first; executing a machine code instruction analysis on the content of the file or data and reorganize the operation logic; executing a simulation run on the result of the machine code instruction analysis and the result of reorganization, and giving a result report generated by the simulation run; inferring and determining the result report generated by the simulation run using the knowledge of the virus knowledge base and the inference rule, and obtaining the result of whether the file has the probability of virus existence or not; according to the result of the probability of virus existence, automatically or manually control whether the external file or data are able to be transferred into the information system or not. The invention also provides a device for realizing the method, and the device comprises a machine code instruction analysis and operation logic reorganization device, a control device, a risk assessment device, and a virus knowledge base device. The invention can effectively prevent the broadcast of computer virus.

The invention discloses a system and method for collecting human health data in real time. The system comprises a health data measurer carried by a user, a data reader, an execution mechanism, a datamonitoring center, and an epidemic situation control center. Health code data can be transmitted to the health data measurer. The health data measurer is worn on a hand of a user. A wrist temperaturesensor is arranged in the health data measurer; the wrist temperature sensor can detect the temperature of the wrist of a human body in real time; health code data can be transmitted into the health data measurer through mobile phone Bluetooth communication. With the system and method, respiratory tract infectious diseases with large transmissibility can be prevented; the people with abnormal health data and people in close contact with the people with abnormal health data within 0-30 days in the past can be locked rapidly, and isolation measures can be taken rapidly, so that the infection source is isolated and a propagation path is cut off.

The invention provides a control system of an electronic expansion valve, comprising a sensor, a human-computer interface input device, a control mainboard and a drive board. The sensor is used for sensing and collecting the external parameter and converting the parameter into electric signals input to the control system; the human-computer interface input device is used for manually inputting the external control signals to the control system; the control mainboard comprises a micro control unit and a power driving module, wherein the micro control unit is used for converting and processing the signals collected by the sensor or the external control signals input by the human-computer interface input device and outputting the first control signal to the power driving module, and the power driving module is used for outputting a second control signal; the drive board comprises a stepper motor driving module which is used for driving a stepper motor, receiving a second control signal and outputting a third control signal for controlling the action of the electronic expansion valve. As the drive board in the control system of the electronic expansion valve does not include an MCU (Micro-programmed Control Unit), the invention reduces the manufacturing cost, and avoids loss of the control information in the transmission process of signals without multiple conversions, thereby ensuring the control precision.

The invention discloses a fructus momordicae high-yield cultivation technology allowing the fructus momordicae to be planted one time and harvested two times in a year, which is characterized by comprising the following steps: selecting high-yield disease-resistant and early-maturing tissue culture cutting seedlings for germchit; setting the field planting time before March 25; arranging a layer of 40-45 mesh fly net at area around and 50-60 cm above a conventional shed frame before field planting, and placing the fructus momordicae plants in the fly net; hollowing out a pan-depth pit on each planting hole three days before planting, applying 0.3 jin of compound fertilizer and 0.5 jin of biological organic fertilizer in each hole in such a way that the fertilizers are dissolved by water to spray at the periphery of the hole, and followed by soil covering so as to form a turtleback shape; and adopting a three-level vine branch for bearing fruits by the whole vine, reserving 12 fruit-bearing vines by each plant, after first time harvesting, carrying out shearing and reserving 10-14 branches by each plant for secondary fruit-bearing vines. According to the method provided by the invention, two harvestings in one year are achieved, the yield is improved, and the proportion of large and middle-size fructus momordicae is increased; and besides, continuous cropping can be realized, multiple harvestings in a year can be also achieved, both labor and investment are saved, and the economic benefits are remarkable.

A humidity controllable air cleaner for ordinary room or sickroom in air-conditioning room or hospital is composed of showering system, demoistening system, disinfecting system and auxiliary control system. Its advantage is high effect to clean air and kill bacteria and viruses.

The invention relates to a producing technology of a glass cup, in particular to a producing technology of a silver-liner double-deck glass cup. The producing technology comprises the following steps of choosing a proper glass tube and a silver tube, heating the silver tube from the middle part of the silver tube, and conducting undercutting on the silver tube to form a liner which is closed at one end and opened at the other end; rotating the glass tube while conducting local heating on the middle of the glass tube till glass is softened, using a blade to conduct cutting to form two external cup bodies which have cup bottoms, covering the liner with the external cup bodies, conducting rotary heating on the liner and the external cup bodies so that the cup bottom is formed through firing, using a fire sprayer to conduct preheating on a cup rim of the glass cup, and then using a die to conduct compression moulding after the cup rim is burned and fused, conducting annealing treatment on the formed cup body to obtain a semi-finished product, and graving, grinding, polishing, cleaning the semi-finished product to obtain the silver-liner double-deck glass cup. The producing technology of the glass cup has the advantages of being outstanding in low energy consumption, simple in technology, and the produced glass cup has good impact resistance, weather fastness, heat resistance, and airtightness.

The invention relates to a method for efficiently breeding blue crabs. The method comprises the following steps: performing intermediate breeding on II-stage baby blue crabs in an outdoor cement pit greenhouse; disinfecting the water for breeding through an ultraviolet lamp and mounting an oxygenating device in a breeding pond; feeding big disinfected brine shrimps at regular time; exchanging 15% water per day; after the II-stage baby blue crabs grow and become V-stage baby blue crabs, putting juvenile crabs into the breeding pond at a sex ratio of female to male being 3:1; after ending mating, fishing out the male crabs; continuously breeding the female crabs; and when the water temperature is lower than 10 DEG C, putting the female crabs into the outdoor cement pit greenhouse for temporarily breeding and putting into the market before and after the Spring Festival, thereby greatly increasing the breeding yield and economic benefit. According to the method provided by the invention, the juvenile crabs are prevented from being killed by enemies and severe environment; the use ratio of baits is increased and the happening of diseases is reduced; the breeding yield of the blue crabs is increased by 26.99% and the breeding benefit is increased by 2.39 times, by adopting the method provided by the invention; the method can be widely applied to the breeding for the blue crabs; the energy conservation and the environment protection are realized; and the economic benefit and the social benefit are obvious.

The invention relates to a nuisance-free multi-element solid mixed fertilizer and its application method, which comprises nitrogen, phosphor, potassium, sulfur, calcium, magnesium, manganese, ferrum, boron, zinc, copper, molybdenum. The fertilizer is dissolved into water during the use, the plant root plated in the cultivation groove can save water over 90%, the utilization efficiency of fertilizer can be over 90%, the patricide usage amount can be decreased by 80%.

The invention relates to a disinfection method and system for inactivating novel coronavirus in cold-chain food through ionizing radiation, and belongs to the technical field of disinfection and sterilization. Electron beams with the energy not higher than 10 MeV generated by an electron accelerator or gamma rays generated by cobalt-60 or cesium-137 radionuclide or X rays with the energy not higher than 5 MeV generated by an electron accelerator are adopted, on the premise of ionizing radiation disinfection whole-process biological safety guarantee, within determined effective dose range (2-7kGy), the cold-chain food which is possibly polluted by the novel coronavirus (2019-nCoV) is thoroughly inactivated on inner and outer surfaces of packages, food surfaces and food gaps of the cold-chain food in combination with a matched special disinfection system, the inactivation rate of the novel coronavirus is larger than 99.9%, and the novel coronavirus after irradiation does not have infection and pathogenicity any more.

The invention provides a konjak winter planting method. The method comprises the steps of ditching and managing moisture in the soil, applying a base fertilizer, planting konjak, carrying out chemical topdressing, supplementing a potash fertilizer, carrying out intertillage management and the like. Compared with the conventional spring planting, the winter planting method provided by the invention is a planting method using the characteristic that the temperature is low in winter during a period from the beginning of winter at an upper half year to the beginning of spring of the lower half year, and konjak pathogenic bacteria has low possibility of germination to cause infection.

The invention belongs to the field of aquaculture and relates to a method for preventing and controlling prawn communicable diseases by Epinephelus coioids. The method comprises the steps of: releasing young prawns in high-salinity seawater, wherein the releasing amount is 80,000-10,0000 fish per mu (mu refers to a unit of area); when the prawn is cultivated to 0.3-0.7 gram, releasing the Epinephelus coioids into the seawater, wherein the weight of each Epinephelus coioids is 0.10-0.15 kg, and the releasing amount of the Epinephelus coioids is 15-20 fish per mu. Large amount of experiments prove that: the Epinephelus coioids about 0.10-0.15 kg in weight can eat ill and dead prawns in a culture pond, the probability of eating healthy prawns is very little due to the habit of the healthy prawns. According to the characteristic, the problem that the survival rate of the bred prawns is low because the healthy prawns are eaten is solved, and simultaneously, the prawn communicable diseases are effectively prevented and controlled.

The invention discloses a method for treating the excrement and urine of the cage-reared livestock, comprising the steps of preparing a fermentation bacterial liquid, arranging a fermentation bed, mounting an inclined plate in a livestock cage, completing the excrement and urine treatment of the cage-reared livestock and the like. The method provided by the invention is characterized in that a good effect can be obtained if lactic acid bacteria is added to livestock drinking water in a ratio of 1: 1000 or directly fed to the livestock and sprayed into feed for feeding the stock. During the culture process, the excrement and urine of the livestock is directly decomposed into a bio-organic fertilizer by microorganisms on the bed surface so that no stink and no maggots exist in the livestock cage and no flies are generated; and simultaneously, the causative agent is eliminated, the loimic route of transmission is cut off and the optimal ecologic growth environment is created for the livestock; in the mean time, the resources are recycled so that the additional value of the livestock is increased; and the fermented excrement and urine of the livestock can be used for culturing earthworms or directly used as the bio-organic fertilizer for planting the organic agricultural products.

The present invention is diversity konjaku and corn planting method to control diseases and pests, and belongs to the field of plant protection technology. The scheme of the present invention keeps available konjaku and corn planting mode, planting density, etc. and features that in the same field, 1-10 rows of corn and 1-5 rows of konjaku are planted alternately, and the row spacing between konjaku and corn is 31-70 cm. The method of the present invention can reduce soft rot of konjaku, reduce pesticide consumption, and raise the yield and quality of konjaku.

The invention is suitable for the field of unmanned aerial vehicles, and provides an unmanned aerial vehicle flight controller and an unmanned aerial vehicle epidemic prevention supervision system andmethod. The unmanned aerial vehicle flight controller comprises a processor, and a satellite receiver module, a voice warning module, a patrol module, a body temperature monitoring module, a networkcommunication module and a power supply module which are electrically connected with the processor. The processor is used for calculating real-time position information and speed information by utilizing the real-time satellite data acquired by the satellite receiver module, and planning a cruise track according to the position information and the speed information. If the cruise result generatedby the patrol module shows that the personnel gathering phenomenon exists, the voice warning module warns the gathering personnel, the body temperature monitoring module measures the real-time multi-target body temperature of the gathering personnel, and then the network communication module uploads the related gathering personnel information data. A large number of supervisors are not needed, thesupervision real-time performance is high, supervision is in place, and data information is shared in time.

The invention provides a feeding method of commercial chickens. The feeding method comprises the following steps: (1) preparing before feeding; (2) carrying out feeding management; and (3) marketing. According to the feeding method provided by the invention, an all-in and all-out system is adopted, and a transmission route of pathogens is effectively cut off; in a feeding process, factors including temperature, humidity, ventilation, light illumination and the like are scientifically controlled; meanwhile, the quality of water and feed, and environment disinfection and prevention are emphasized, and a detailed marketing plan is formulated; the immunity of the chickens is enhanced; and the healthy growth of the chickens is promoted, and the treatment cost and the death rate are reduced, so that the breeding economic benefits of the commercial chickens are greatly improved.

The invention relates to the technical field of hygiene and safety of public transportation, in particular to an automatic rotation type disinfection pull ring for public transportation. The automaticrotation type disinfection pull ring for public transportation comprises a horizontal supporting pipe allowing a public transportation pull ring to be mounted, a pull ring device, a disinfecting device and a driving device, wherein the pull ring device comprises an annular pull ring body; the disinfecting device comprises a disinfection gas generating device, a tensile catheter and a disinfectionhousing; the disinfection housing sleeves the pull ring body; the tensile catheter is connected between the disinfection housing and the horizontal supporting pipe; the disinfection gas generating device is arranged on the horizontal supporting pipe, and communicates with the horizontal supporting pipe through a gas outlet pipe; a driving railway is be arranged on the pull ring body; and one endof the driving device is fixed on the tensile catheter, and the other end of the driving device is mounted in the driving railway. Through the adoption of the automatic rotation type disinfection pullring for public transportation disclosed by the invention, the transmission route of viruses through touching the pull rings in a vehicle can be effectively blocked, the situation that the viruses remain on handles of public transportation tools is avoided, and the transmission of the viruses is effectively blocked.

The invention discloses a closed intensive pig farm. The closed intensive pig farm is characterized in that the closed intensive pig farm comprises a pig house, a sealed corridor, a material fumigation room, a pig inlet and outlet table, a dead pig outlet and a staff living area, the staff living area is connected with the material fumigation room, and the material fumigation room, the pig house,the pig inlet and outlet table and the dead pig outlet are connected with the sealed corridor. The sealed corridor is a channel used for connecting the staff living area, the pig house, the material fumigation room, the pig inlet and outlet table and the dead pig outlet, is the only channel for people and objects to enter and exit from the pig house, is built, and is used for preventing birds, mice, mosquitoes, flies, other insects and other disease-borne organisms from entering the pig house; and through forward moving of a pig house prevention and control pass, the prevention and control longitudinal depth is increased, multi-layer blocking and resisting of pathogen transmission are achieved, the transmission path of diseases such as African swine fever is better cut off, and animal diseases such as African swine fever are effectively prevented.

The invention relates to an environment-friendly feeding and management method for livestock and poultry. The environment-friendly feeding and management method comprises the following steps: (1) building a breeding house; (2) pretreating the breeding house: completely cleaning and sterilizing the breeding house and the interior of the breeding house, wherein the breeding house adopts a self-reproducing and self-feeding mode when being used for raising pigs, and an all-in-all-out feeding mode when being used for raising poultry; (3) treating livestock and poultry inside the breeding house: detecting main virus antibodies of the livestock and poultry before the livestock and poultry are driven into the breeding house, and completely clearing out the livestock and poultry from the breeding house once epidemic situation occurs in the raising process; (4) managing the breeding house: cleaning the breeding house every day, and sterilizing once at least every 3 days; (5) preparing feed by compounding sterilized or cured screened unprocessed food grains, puffed raw materials, multivitamin, compound trace elements and beneficial bacteria, and supplying drinking water with the amount being equal to that of a common breeding method; (6) treating excrement of the livestock and poultry by using opened boxes for feeding insect larva in a floating manner. The environment-friendly feeding and management method is scientific and normative, good in disease precontrol effect, low in cost, easy to operate and free of pollution or residue.

The disclosed powder preparation comprises the following constituents (by weight portions): honeysuckle flower 23-28 parts, isatis root 70-78 parts, cape jasmine 47-53 parts, oriental wormwood 47-35 parts, baikal skullcap root 70-78 parts, white atractylodes rhizome 47-53 parts, bupleurum root 47-53 parts, poria cocos wolf 47-53 parts, common fennel fruit 47-53 parts, and wofberry bark 23-28 parts.

The invention relates to a pedal type elevator calling system. The system comprises an upgoing calling button and a downgoing calling button, wherein the upgoing and downgoing calling buttons are pedal type buttons and are respectively installed on the ground on the two sides of an elevator door; the upgoing and downgoing calling buttons are connected with an elevator master control board through a signal separation module; the master control board is connected with a mechanical device which drives the elevator to run; a shaft way electronic device, which feeds the motion state information of the elevator back to the master control board, is connected between the master control board and the mechanical device; an upgoing indicator lamp and a downgoing indicator lamp which are corresponding to the upgoing and downgoing calling buttons are respectively arranged on the two sides of the elevator door; and the upgoing and downgoing indicator lamps are connected with the signal separation module. The invention improves the elevator taking environment, realizes ordered transfer and civilized elevator taking, enhances the elevator transfer efficiency, reduces the congestions, saves the transfer time, increases the utilization ratio of the elevator, avoids wasting time, and blocks up the transmission routes of communicable diseases by using the pedal type calling mode.

The invention relates to a high-pressure oil pump mounting seat with a sound insulation structure. A mounting seat body comprises a high-pressure oil pump cam chamber, a first flange, a supporting component and a second flange, four first bolt holes are formed in the first flange, and two second bolt holes are formed in the second flange. The high-pressure oil pump mounting seat is characterized by further comprising a sound insulation box and a sealing cover, wherein the sound insulation box is connected with the second flange of the mounting seat body, the sealing cover is connected with the sound insulation box, and three open groove structures are arranged on the side wall of the sound insulation box. Three vertical sealing baffle plates are arranged at the edge of the sealing cover and matched with the three open groove structures on the side wall of the sound insulation box in a one-to-one corresponding manner respectively. A noise spreading route generated in operation of a high-pressure oil pump can be remarkably reduced, and the NVH (noise vibration and harshness) performance of an engine is improved.

The invention discloses a toilet lid capable of killing infectious viruses and preventing the infectious viruses from spreading and a toilet, and belongs to the technical field of toilets. The objective of the invention is to solve the problem that an existing toilet fails to kill viruses through a virus killing mechanism after being used before flushing. The toilet lid capable of killing the infectious viruses and preventing the infectious viruses from spreading comprises a toilet lid body and further comprises a high-voltage pulse generator, the high-voltage pulse generator is detachably connected and installed on a shell on the lower surface of the toilet lid body and used for generating a high-voltage pulse electric field when the toilet lid body is closed, and a sealing device for attaching the joint surface between the toilet lid body and the toilet seat is arranged on the lower surface of the toilet lid body. The toilet lid is suitable for preventing and controlling diseases transmitted through the toilet bowl in the high-incidence period of infectious diseases, and can effectively block a transmission path of viruses.

The invention discloses a novel coronavirus killing mobile workstation for a refrigerated container yard and a method. The workstation comprises a moving device, a lifting device, a disinfection gas supply device, a vacuumizing device, a gas transmission pipeline, a gas inlet and outlet pipe orifice and a control system; the lifting device and the disinfection gas supply device are arranged on the upper surface of the moving device; the lifting device comprises a lifting support and an operation table, and a manual operation fence is arranged on the operation table; the control system is arranged in the manual operation fence; the gas inlet and outlet pipe orifice is formed in the end of the gas transmission pipeline; and the disinfection gas supply device is connected with the gas transmission pipeline through a first branch pipeline. The workstation is simple in device structure and easy to implement, can be conveniently moved near the refrigerated container yard needing to be disinfected, can effectively cut off new coronavirus transmission paths of a cold chain food transportation tool, cold chain food therein and a cold chain food package surface, and completely eradicates contact infection.

The invention relates to a flushing-free ecological toilet which comprises more than one closet pan (1), wherein a top cover (2) is arranged at the top of each closet pan (1), a micturition port (3) is arranged at the front end of the bottom of each closet pan (1), and a defecation port (4) is arranged at the back end of the bottom of each closet pan (1). A feces storing and decomposing pool (5) is arranged below the defecation port (4), a pool top cover (10) is arranged at the top of the feces storing and decomposing pool (5), and a plurality of earthworms which eat feces are put in the feces storing and decomposing pool (5). Each defecation port (4) is connected with the top end of one defecation pipe (11) connected with the feces storing and decomposing pool (5) after vertically passing through the pool top cover (10), and each micturition port (3) is connected with a urine entering pipe (8) of a micturition pipe (12). The flushing-free ecological toilet can process human feces according to natural ecology, save water in a flushing toilet and reduce contamination.

The invention belongs to the technical field of dry powder coatings. The invention discloses a dry powder coating with lasting antibacterial and mildew-proof effects. The dry powder coating comprisesthe following components in percentage by weight: 40-50% of shell powder, 10-20% of lime, 10-15% of an inorganic antibacterial and mildew-proof agent, 10-20% of titanium dioxide, 0.4-0.6% of hydroxyethyl cellulose and 5-15% of redispersible rubber powder. The dry powder coating disclosed by the invention has efficient and lasting antibacterial and mildew-proof capabilities, is enhanced in antibacterial and mildew-proof effects after meeting water, is safe and environment-friendly, does not contain VOC, has the functions of adsorbing and decomposing harmful gas, realizing air permeability and regulating humidity, is suitable for various places, and has the antibacterial and mildew-proof capabilities which are not influenced by the environment.

The invention relates to in-vitro detection reagents for clinical diagnosis and in particular relates to a cancer urine detection reagent. The urine detection reagent is prepared from iodine, potassium iodide, mercury chloride, concentrated sulfuric acid and distilled water. After the test solution is dripped into the urine, the urine immediately develops color, precipitates of different colors are naturally downwards precipitated within 5-15 minutes, whether the detected patients are healthy patients or patients suffering from nephritis, benign tumors and malignant tumors can be judged by virtue of different colors developed by the solution and precipitates. According to the detection reagent disclosed by the invention, the defects in the prior art are overcome, and the detection reagent is a rapid metabolic disorder urine test reagent of a novel formula and has high stability, sensitivity and specificity and wide application range.

The invention discloses an animal target counting method based on a dual-light camera. The animal target counting method specifically comprises the following steps: acquiring animal column images to construct a sample library; constructing a counting model, wherein the counting model comprises a neural network model for animal identification; inputting the sample library into the neural network model for training to obtain a trained neural network model; obtaining to-be-detected images of all columns in sequence, each column corresponds to one to-be-detected image group, and each to-be-detected image group comprises n to-be-detected images; and sequentially inputting 2n to-be-detected images corresponding to each field into the constructed counting model to obtain a final recognition result of each field, and counting the final recognition results of all fields to obtain the number of animal targets. The beneficial effects of the method are that the system is especially suitable for a limiting fence feeding environment in a large-scale pig farm, and can achieve the more precise non-contact large-scale in-house pig inventory.

The invention discloses an assembly type intelligent isolation ward. The ward comprises a ward isolation room and a ventilation sterilizing and disinfecting module, and the outer side of the ward isolation room is flush with the exterior of the ventilation sterilizing and disinfecting module. The ventilation sterilizing and disinfecting module comprises a ventilation pipe and a ventilation sterilizing and disinfecting assembly, the ward isolation room is composed of a ward isolation outer wall and an electric door assembly, the ventilation pipe is provided with an upper air inlet, an upper airoutlet, a lower air inlet and a lower air outlet, and the ventilation sterilizing and disinfecting assembly comprises an upper draught fan, a lower draught fan and a sterilizing and disinfecting device; the upper draught fan is located below the upper air inlet, the air outlet of the upper draught fan is located at the upper air outlet, the sterilizing and disinfecting device is located below thelower air inlet and above the lower draught fan, and an air outlet of the lower draught fan is located at the lower air outlet. The sterilizing and disinfecting device is composed of an initial efficiency filtering net, a high pressure electrostatic device, an efficient filtering net, an ozone decomposition net and an ultraviolet lamp. By means of the ward, reasonable airflow texture, efficient sterilizing and disinfecting, the simple dismounting and mounting manner and high comfort can be achieved.

The invention discloses an oxygen cabin special for infectious patients, and relates to the technical field of medical hyperbaric oxygen cabin equipment. The oxygen cabin comprises an oxygen cabin body, a treatment cabin is arranged in the oxygen cabin body, and an oxygen exhaust system, an air conditioning system, a pressurization system, a decompression system and a breathing gas supply system are installed on the oxygen cabin body. According to the oxygen cabin special for infectious patients, the technical problem that in the prior art, cross infection is likely to be caused when an oxygencabin is used for treating infectious disease infected people is solved, and the oxygen cabin special for infectious patients can effectively block the propagation path of germs inside and outside the oxygen cabin, can effectively avoid pollution of the oxygen cabin to the external environment, and can also avoid cross infection of personnel in the cabin.