148 results about "Oxygen uptake" patented technology

The invention relates to the field of intelligent auxiliary rehabilitation, in particular to a virtual reality-based respiratory rehabilitation system, which comprises a data capture module, a dynamic training monitoring module and an early warning and response module. A data extraction unit is used for acquiring a user respiration examination result and a rehabilitation training category, an environment acquisition unit is used for acquiring training field information, various respiration indexes, heart rate and motion state parameter data of a user in dynamic training are acquired, and an energy supply category is identified; and further calculating the oxygen uptake in unit time and the real-time oxygen uptake ratio, judging the training intensity grade by combining with an individualized evaluation model, and providing feedback through real-time broadcasting. If it is recognized that the training intensity is abnormal or safety risks exist, an early warning mechanism is started, voice and image prompting is achieved, and the user is assisted in adjusting the training state. The system obviously improves the scientificity, safety and individuation level of rehabilitation training, and is suitable for various scenes such as medical treatment, rehabilitation and home training.

The invention relates to the technical field of wearable intelligent equipment, and further relates to an exercise training plan generation method and system and wearable intelligent equipment. The method comprises the following steps: when a user is not in a motion state, determining a first maximum heart rate and a first maximum oxygen uptake of the user based on a support vector regression model and basic information of the user; when the user is in the motion state, photoelectric volume pulse wave signals generated by the user in the motion process are processed through a deep learning model, and a plurality of basic index sequences are obtained; determining a second maximum heart rate and a second maximum oxygen uptake of the user based on the plurality of basic index sequences, the basic information, the maximum heart rate and a maximum oxygen uptake prediction model; and generating an exercise training plan of the user based on the first maximum heart rate and the first maximum oxygen uptake, or generating an exercise training plan of the user based on the second maximum heart rate and the second maximum oxygen uptake. The method reduces the generation cost of the exercise training plan.

The invention discloses an insulated high-voltage-resistant flame-retardant 10kV power cable, and relates to the technical field of power cables, a plurality of heat insulation protection sheets are arranged at the side ends of dense power transmission line cores, an elastic resistance sheath is mounted at the outer side ends of the heat insulation protection sheets, and a plurality of material storage thermosetting cavities are formed in the inner side of the elastic resistance sheath at equal intervals; according to the invention, through internal sealing press fit and oxygen uptake dehydration treatment, stable isolation of the battery cell is realized, the problem of internal short circuit or fire caused by discharging of the battery cell is reduced, and the reliability of the battery cell is improved. And through mutual cooperation of double-layer active flame-retardant fire extinguishing and double-layer passive flame-retardant arranged outside, the time for the cable to become a combustible material during combustion is slowed down, so that the flame spreading speed is slowed down, the fire extinguishing time is prolonged, the direct loss of the cable can be reduced when a fire breaks out, and the flame-retardant and internal insulation flame-retardant protection effects are improved.

The invention discloses a research method for completing upper limb cardiopulmonary exercise tests at different power increasing rates, and relates to the technical field of cardiopulmonary exercise tests. The method specifically comprises the following steps of 1, selecting participants of an upper limb cardiopulmonary exercise test; step 2, CPET quality control and standardized operation; the CPET carries out gas capacity calibration, high, medium and low flow rate calibration, air, oxygen and carbon dioxide gas calibration, metabolism simulator calibration and participant calibration through a Quark PFT Ergo type cardiopulmonary exercise test system, and then test is carried out; and step 3, performing CPET experiment grouping. The invention proves that the CPET of the upper limbs with different power increasing rates obviously changes the power, the movement duration, the oxygen uptake ventilation effectiveness, the carbon dioxide discharge ventilation effectiveness, the unit power oxygen uptake and other core indexes when the peak movement is obviously changed; and the method also has a certain degree of influence on the peak RER and the maximum RER in the recovery period.

The invention discloses a system and a device for measuring the cardiopulmonary endurance of an adult, and relates to the technical field of cardiopulmonary endurance measurement. The system comprises a power vehicle, a heart rate acquisition module, a data processing module, a motion control and voice guide module, a load regulation and control module, a result output and data management module, a safety monitoring and stopping module and a user interaction module, and the power vehicle comprises a positioning base, a supporting seat, a vehicle frame, a counting and power utilization mechanism and a measurement and power recovery mechanism. A stable and controllable physical exercise platform and an adjustable load system are provided, a heart rate collection module collects heart rate data of a subject in the resting and exercise process in real time, and the heart rate data serve as a VOmax estimation core basis. And data of more dimensions can be incorporated during formula calculation of the maximum oxygen uptake, so that the effect is better.

The invention discloses a ladle refining furnace and a method for reducing electrode consumption in the molten steel refining and smelting process, and belongs to the technical field of metallurgy. The ladle refining furnace comprises an electrode clamp and a gas blowing device arranged below the electrode clamp. According to the gas injection device of the ladle refining furnace, the gas wall is formed below the electrode to prevent the air from being in contact with the electrode, so that the electrode consumption in the molten steel refining and smelting process is reduced. Moreover, when the ladle refining furnace is used for refining and smelting the molten steel, the process is simple and easy to operate, the overall cost is remarkably reduced, and the ladle refining furnace is suitable for large-scale industrial production. In addition, the method solves the problems of high electrode consumption and short service life in the refining process caused by serious air oxidation after the electrode is electrified in the molten steel refining and smelting process, reduces the oxygen concentration on the surface of a steel ladle after refining and smelting, reduces the oxygen uptake in the slag forming process, and improves the molten steel quality.

The invention belongs to the field of packaging materials, and particularly relates to a barrier film with oxygen barrier and water vapor barrier effects, the barrier film comprises an oxygen barrier layer and an oxygen uptake layer which are arranged adjacently, and the oxygen uptake layer comprises an oxygen uptake agent and an oxygen barrier agent. The invention also relates to a packaging material. The barrier film can effectively block oxygen and water vapor.

The invention relates to the technical field of oxygen uptake tubes, in particular to a PVC sterile oxygen uptake tube and an oxygen uptake tube adapter, the PVC sterile oxygen uptake tube comprises a PVC sterile inner tube, the outer side of the PVC sterile inner tube is sleeved with a PVC sterile outer tube, a PVC connecting strip is fixed between the PVC sterile inner tube and the PVC sterile outer tube, a metal wire is inserted into the surface of the PVC connecting strip, double faced adhesive tapes are arranged on the upper side and the lower side of the PVC sterile outer tube, and the PVC sterile outer tube and the PVC sterile outer tube are connected with the PVC connecting strip. Release paper is arranged on the surface of the double-faced adhesive tape, and a buckling groove and a clamping strip are arranged on the left side and the right side of the PVC sterile outer tube respectively; the beneficial effects are as follows: the PVC connecting strip not only realizes the connection effect on the PVC sterile inner tube and the PVC sterile outer tube, but also meets the buffering effect when the PVC sterile outer tube applies pressure to the PVC sterile inner tube, and is matched with the metal wire to realize the shaping effect on an anti-blocking oxygen delivery channel after the PVC sterile inner tube is bent; the PVC sterile outer pipe not only achieves the anti-scraping protection effect on the PVC sterile inner pipe, but also achieves the compression-resistant buffering effect on the PVC sterile inner pipe, and the PVC sterile inner pipe is bonded and fixed through the cooperation of the double-faced adhesive tape, so that the PVC sterile pipe is rich in function.

The invention discloses a method for indirectly evaluating cardiopulmonary endurance and energy metabolism and predicting exercise performance, and belongs to the technical field of exercise evaluation. The maximum oxygen uptake speed of the running machine and the maximum oxygen uptake of the running machine are obtained through testing of the running machine, and the evaluation value corresponding to the cardiopulmonary endurance is inquired through the maximum oxygen uptake of the running machine; the slow muscle proportion is obtained based on the maximum oxygen uptake speed of the treadmill, and the energy metabolism of the treadmill at any constant running speed is evaluated through the slow muscle proportion; and the oxygen-free threshold speed of the field can be obtained through the slow muscle proportion, so that the competition results of different competitions can be predicted. The treadmill is adopted for running, operation is easy, physical strength consumption is low, prediction is accurate, the method is suitable for requirements of different crowds, scientific reference basis is provided for a fitness scheme and assessment of the exercise fitness effect, and the exercise evaluation method is of great significance.

The invention discloses an oxygen uptake control device and method, and belongs to the technical field of medical instruments. According to the invention, through cooperative operation of the high-precision sensor and the computer system, accurate matching of oxygen uptake and billing is ensured; depending on the oxygen concentration real-time monitoring and automatic adjusting mechanism, the treatment effect is improved, and the operation threshold is lowered; when the oxygen concentration is abnormal, voice prompt is automatically triggered, and the misoperation risk is effectively prevented; a two-dimensional code identity binding technology is combined to realize'one-code communication ', and intelligent management of hospitals is assisted; meanwhile, accurate oxygen uptake data recording not only avoids billing dispute, but also provides reliable basis for diagnosis and treatment, and safety, convenience and management efficiency of oxygen uptake treatment are comprehensively improved.

The invention belongs to the technical field of first-aid equipment, and particularly relates to a first-aid platform with an oxygen uptake function, the first-aid platform comprises a main control module and an oxygen supply module, the oxygen supply module comprises a chemical oxygen generation unit, and a peroxide reaction cavity is arranged in the chemical oxygen generation unit; the oxygen supply module further comprises an adsorption oxygen storage unit; the master control module is provided with a standardized interface. In the invention, a chemical oxygen generation unit of a peroxide reaction cavity is arranged in the oxygen supply module, the dependence of a traditional molecular sieve on an external gas source and electric power is avoided, a rapid oxygen release reaction is triggered through an iron powder catalyst, the oxygen generation speed is higher than that of molecular sieve oxygen generation, and the first-aid golden time requirement can be met; meanwhile, in extreme scenes such as plateau and power failure, the oxygen production rate is automatically adjusted through an air pressure compensation valve, it is guaranteed that the oxygen flow is stably larger than or equal to five liters per minute when the altitude is 5000 m, and the oxygen production amount is attenuated in the low-pressure environment according to the patent; meanwhile, the peroxide reaction cavity is independently sealed, so that the risk of oxygen supply interruption caused by faults of a molecular sieve air compressor is avoided.

The utility model relates to an improved oxygen uptake tube which comprises an oxygen uptake tube body, the oxygen uptake tube body comprises an oxygen uptake main tube, two oxygen uptake branch tubes, a connecting part communicated with the oxygen uptake main tube and the two oxygen uptake branch tubes, and a nasal plug type oxygen uptake head communicated with the two oxygen uptake branch tubes. The storage box is connected to the oxygen inhalation tube in a sliding mode, a clamping ring structure is fixed to one side wall of the storage box, and the clamping ring structure is connected to the oxygen inhalation branch tube in a sliding mode; the storage box comprises a box body and a box cover covering the box body; a first storage groove is formed in the box body, and a storage device matched with the nasal plug type oxygen inhalation head is placed in the first storage groove; a channel for the oxygen inhalation branch tube to pass through is formed in the storage box, a sealing device is arranged on the storage box, and the sealing device is used for switching the opening state and the closing state of the channel. According to the improved oxygen uptake tube, the nasal plug type oxygen uptake head can be conveniently protected, and the oxygen uptake tube is prevented from being polluted.

The utility model provides an oxygen inhalation tube pressure-resistant foam patch which comprises a foam patch body installed on the outer ring of an oxygen catheter branch, a pressure reduction layer is arranged at one end of the foam patch body, a tearable bonding layer is arranged on the end face, close to the oxygen catheter branch, of the pressure reduction layer, and the surface, away from the tearable bonding layer, of the pressure reduction layer is smooth and not prone to absorbing water. The foam patch body comprises a widened part wrapping the nose pad and a winding part wrapping the space between the two nose pads, and a hollow part is arranged between the winding part and the widened part. The pressure reduction layer with the smooth surface is adopted, water is not prone to being absorbed, the oxygen catheter can be properly wiped through alcohol, pressure generated by the oxygen catheter on the skin can be relieved, the comfort level of a patient is improved, and the incidence rate of catheter-related pressure injuries is reduced; the tearable bonding layer can be bonded to the outer layer of the catheter; the hollow part is arranged between the winding part and the widening part, so that the winding part can be conveniently wound on the outer ring of the nose pad section between two snorting parts, the widening part wraps along the outer circle of the nose pad, materials are convenient to take, and the nose pad is disposable.

The utility model relates to the field of oxygen uptake tubes, and provides an improved child nasal oxygen uptake catheter which comprises an oxygen uptake tube, the oxygen uptake tube comprises a first catheter, one or two second catheters and one or two nasal intubation tubes, the one or two second catheters are connected to the ends of the first catheter respectively, the one or two nasal intubation tubes are arranged on the second catheters in a communicated mode, and the first catheter protrudes upwards to form an arc-shaped structure. The first catheter can abut against the nose, the nasal cannula is bent downwards and can be inserted into nostrils, a first buffering part capable of abutting against the nose is arranged at the bottom of the first catheter, a second buffering part capable of abutting against the face is arranged on the second catheter, and the first buffering part and the second buffering part can be fixed through medical proof fabric. The oxygen uptake tube is fixed on the nose of a person, the oxygen uptake tube and a traditional oxygen uptake tube can be used alternately, the comfort degree of a child is improved, the contact area of the first buffering part and the second buffering part is large, the buffering and fixing effects are good, and the technical problem that an oxygen uptake catheter is fixed between the mouth and the nose for a long time, and discomfort is caused to the child is solved.

A method for forming a battery cell in a rechargeable energy storage system comprises providing a cathode and an anode, the cathode containing a lithium metal phosphate. The method includes positioning a separator between the cathode and the anode, the separator having a side facing the anode and a side facing the cathode. The method includes depositing a catalyst layer, consisting of an oxygen storage catalyst, onto the cathode-facing side of the separator such that the catalyst layer continuously covers the cathode-facing side of the separator. The oxygen storage catalyst has an oxygen uptake capacity at or above a threshold temperature, and the oxygen storage catalyst has an oxygen retention capacity at or above the threshold temperature, the threshold temperature being at least 200 degrees Celsius.

The invention discloses a multi-scale data-based two-factor coal spontaneous combustion tendency comprehensive judgment method, which comprises the following steps of: constructing a two-factor coal spontaneous combustion tendency comprehensive index on the basis of an entropy weight method by combining a cross point temperature test and a chromatographic oxygen uptake test, and dynamically distributing a low-temperature oxidation stage weight of a target coal sample by adopting the entropy weight method, and constructing a two-factor coal spontaneous combustion tendency comprehensive index. According to the method, the problem of judgment deviation caused by only paying attention to the local oxidation stage in an existing single method is solved, the characterization capacity of the whole coal spontaneous combustion process is remarkably improved, a scientific and practical judgment basis is provided for coal mine underground coal spontaneous combustion risk monitoring, and the misjudgment risk caused by limitation of a single index is effectively reduced.

Disclosed herein is an in vitro diagnostic (IVD) analyzer (200) comprising at least one sensor (212) located in a flow-through sensor path (211) of a detection unit and requiring at least one oxygenated calibration fluid (221 ', 222') for calibration. The IVD analyzer (200) further comprises: a fluid supply unit (220) comprising at least one deoxygenated calibration fluid (221, 222); a fluid selection valve (230); the IVD analyzer (200) comprises a fluid selector valve (230), and at least one oxygenation conduit (215, 216) having two ends connected as a loop with the fluid selector valve (230), where the oxygenation conduit (215, 216) comprises an oxygen permeable wall, and where the IVD analyzer (200) further comprises a pump (240) and a controller (250), the controller is configured to control the pump (240) and the fluid selection valve (230) to deliver a deoxygenated calibration fluid (221, 222) into the oxygenation conduit (215, 216), wait for a predetermined time required for oxygenation of the deoxygenated calibration fluid (221, 222) via oxygen uptake from ambient air through the conduit wall, and inject the oxygenated calibration fluid (221 ', 222' ') thus obtained into the oxygenation conduit (215, 216). 222 ') into the sensor path (211) for the calibration of the at least one sensor (212). A corresponding automated method of calibrating at least one sensor (212) is also disclosed herein.

The utility model relates to the field of oxygen uptake tubes, in particular to an anti-bending oxygen uptake tube for cardiology department nursing, which is characterized in that a reinforcing structure is arranged at the joint of a first joint and a first tube body, so that the oxygen uptake tube is prevented from being bent when being vertically pulled or collided. Comprising a first pipe body, one end of the first pipe body is fixedly provided with a first connector used for being connected with equipment, the first connector is in a horn shape with an outer opening, the other end of the first pipe body is provided with a second connector used for branching, the other end of the second connector is connected with two paths of second pipe bodies, and the tail ends of the second pipe bodies are connected with third connectors matched with nostrils. The first pipe body at the inner end of the first connector is sleeved with a guide cap, the guide cap is of a conical structure back to the first connector, and the pointed end of the guide cap is fixedly connected with the inner end face of the first connector. A spring wrapping the first pipe body is fixedly arranged at the open end of the guide cap. The device is easy to operate, convenient to use and suitable for various patients.

The utility model relates to a pressure sore prevention oxygen uptake protection patch which comprises an outer protection layer, a breathable layer, an oxygen uptake layer, an absorption layer, a pressure dispersion layer and an adhesion layer which are sequentially arranged from outside to inside. A plurality of grooves are uniformly distributed in the adhesion layer and protrude from the adhesion layer to the pressure dispersion layer; the groove is higher than the bottom end of the adhesion layer; a containing groove matched with the groove is formed in the pressure dispersing layer, and the pressure dispersing layer is made of an elastic material; a supporting layer is further arranged between the outer protective layer and the breathable layer and is of a grid structure or a honeycomb structure. According to the pressure sore prevention oxygen uptake protection patch, stable supporting is provided through the supporting layer, the overall structural strength of the protection patch is enhanced, it is guaranteed that the shape and the function of the protection patch are kept in the using process, and deformation or collapse caused by pressure and friction is avoided; the supporting layer can uniformly disperse external pressure, relieve local pressure concentration, prevent skin and tissue damage and prevent pressure sores.

The invention discloses a micro-pressure square cabin with an intelligent oxygen uptake function, and relates to the technical field of micro-pressure square cabins, the micro-pressure square cabin comprises a cabin body, and further comprises an air channel connected to the cabin body in a penetrating mode; the oxygen channel is communicated and connected with the air channel; the sealing element is arranged in the oxygen channel and is used for adjusting the opening degree of the oxygen channel; the transmission assembly is slidably connected in the air channel, and one end of the transmission assembly is connected with the sealing piece; when the air pressure in the air channel drives the transmission assembly to move, the sealing piece is driven to move in the oxygen channel, the opening degree of the oxygen channel is adjusted, and then the oxygen content in the air is adjusted. The transmission assembly is driven to move through the air pressure of the inflow amount in the air channel, then the transmission assembly drives the sealing piece to slide in the oxygen channel, and the oxygen amount in the air is adjusted by adjusting the opening degree of the sealing piece in the oxygen channel.

A coal blending method and a use thereof, relating to the technical field of thermal power engineering, and solving the problems of low-temperature oxidation, spontaneous combustion and pollutant formation in stored coal. The specific method is as follows: selecting coal M and coal N, and blending same at a specific ratio, wherein the coal M has an oxygen uptake weight gain ΔM>1% and Vdaf>37%, the coal N has an oxygen uptake weight gain ΔM≤1% and Vdaf≤37%, and the weight ratio of the coal M to the coal N is (10-90): (10-90); the oxygen uptake weight gain ΔM=M2-M1, ΔM is the difference between the peak and valley values during the oxygen uptake weight gain stage in a thermogravimetric test, M1 is the valley value of a thermogravimetric curve, M2 is the peak value of the thermogravimetric curve, and Vdaf is the dry ash‑free volatile matter of coal.

The oxygen inhalation tube fixing support convenient to adjust and use comprises a clamping base, a stand column is fixedly installed on the top face of the clamping base, a first motor is fixedly installed on one side of the stand column, one end of a first connecting rod is fixedly connected to a rotating shaft of the first motor, and a first bevel gear is fixedly connected to the outer surface of the other end of the first connecting rod. By arranging the first motor, the first connecting rod, the first bevel gear, the second bevel gear, the connecting rod, the lead screw and the like, the height of the lifting frame, the connecting block, the rotating block, the lifting plate and other structures can be conveniently adjusted, and by arranging the second motor, the second connecting rod, the first gear, the second gear, the rotating rod, the rotating round block and the like, the angle of the lifting plate can be conveniently adjusted by rotating the lifting plate; and by arranging a third motor, a third connecting rod, a third gear, a rack, a limiting sliding block, a limiting sliding groove and the like, the horizontal position of the lifting plate can be adjusted conveniently, and by arranging a connecting block, a fixing rod, a rotating block, a fastener and the like, the device can be folded and stored conveniently.

The application relates to the technical field of oxygen flow control of an oxygen generator, and discloses an oxygen generator flow automatic control method and system, an oxygen generator flow automatic control method, which comprises the following steps: configuring a target oxygen configuration flow and a target oxygen concentration required by target personnel; acquiring actual oxygen flow and actual oxygen concentration in real time; calculating an effective oxygen uptake deviation; when the effective oxygen uptake deviation is not lower than a specified oxygen uptake, dynamically acquiring a short-time oxygen configuration flow; generating a flow control signal through a preset PID control algorithm based on the deviation between the short-time oxygen configuration flow and the actual oxygen flow; and driving a flow adjustment actuator to output oxygen according to the flow control signal; a first parameter group is adopted during an inhalation phase of the target personnel, and a second parameter group is adopted during an exhalation phase of the target personnel, wherein, and, the response delay of the patient during a rapid inhalation phase is reduced, the oxygen waste during the exhalation phase is reduced, and the method is especially suitable for irregular breathing modes of COPD patients.

Provided herein are methods of treating patients by administering aficamten, or a pharmaceutically acceptable salt thereof, including in combination with beta blockers. The treatment methods include improving heart rate reserve, peak metabolic equivalents (METs), exercise duration, peak oxygen uptake (pVO2) as well as other parameters related to exercise capacity.

The utility model relates to the technical field of medical instruments, in particular to a cardiovascular medicine oxygen uptake nasal plug fixing device which comprises a connecting assembly, the connecting assembly comprises a mounting plate, connecting plates are symmetrically and movably arranged on the upper surface of the mounting plate, and a fixing assembly is mounted on the upper surfaces of the two connecting plates and used for fixing the two connecting plates. The fixing assembly comprises a plurality of supporting rods symmetrically arranged on the upper surfaces of the two connecting plates, and the supporting rods are provided with two mounting rings. According to the nasal catheter fixing device, the mounting plate is doubly fixed from the head of a patient to the positions above and below the ears through the two tying ropes, then the nasal catheter is mounted in the fixing assembly, the fixing assembly is adjusted, the conical pieces are unfolded, the unfolding angle is adjusted according to the size of the nostrils of the patient, the conical pieces are supported on the inner walls of the nostrils, and the nasal catheter is fixed; the nasal catheter is prevented from falling off from the nostril by pulling the head ring when the head is moved, and potential safety hazards caused by oxygen deficit of a patient are reduced.

The invention discloses a user personalized cardiopulmonary function evaluation method based on a VR fitness bicycle, and belongs to the technical field of exercise health management, and the method comprises the following steps: S1, a user selects a cardiopulmonary function evaluation module in a system, and prepares to start a test; s2, preparing questionnaire data according to the gender, age, height, weight and physical activity of the user, and performing virtual rider matching; s3, after the test is started, the user stares at a matched virtual target rider in the system along with the VR bicycle test program, and bicycle riding is carried out for 12 minutes, so that the user can ride the farthest distance as much as possible; s4, acquiring riding speed, riding distance and riding output power data in the exercise process of the user; s5, the maximum oxygen uptake is calculated according to a formula obtained through calculation of a large number of tests in the early stage, and the cardio-pulmonary function is evaluated; according to the method, a professional sports laboratory or a medical institution is not needed for testing, the method is simple and convenient, meanwhile, the testing scheme has adaptability, real-time visual feedback of a VR virtual target rider is utilized, the potential of a user is stimulated, and the cardiopulmonary assessment accuracy is improved.

The utility model relates to medical instrument technical field discloses oxygen inhalation timer, including humidification bottle, humidification bottle, connecting pipe body and flowmeter, one side of connecting pipe body is provided with oxygen outlet pipe, the one end away from connecting pipe body of oxygen outlet pipe is provided with control pipe seat, the surface center of control pipe seat upper end is provided with timer body, the switch button of timer body is close to oxygen outlet pipe one side lower extreme and is provided with, both ends of control pipe seat all are seted up to have the mounting hole, control pipe seat is close to oxygen outlet pipe one end and is provided with valve structure through mounting hole. The oxygen inhalation timer, when the patient needs oxygen inhalation, the patient can dial the dialing rod, drives the cam to rotate, the front end of the cam will contact and extrude the switch button in the cam rotating process, realize the switch button to open the timing, at the same time, the ball body is driven to rotate synchronously through the rotating shaft when the cam rotates, the through -hole on the ball body is opened, the patient can inhale oxygen, realize the patient to inhale oxygen and start timing simultaneously, guarantee timing accurate.

The utility model discloses a kind of anti-falling oxygen uptake tubes, including sleeve, the sleeve inner wall is the conical shape corresponding with the gas outlet pipe appearance of oxygen inhaler, locking rod is set through on the sleeve, the axis of locking rod and sleeve is perpendicular, the locking rod includes the sliding portion of cylindrical and the locking portion of cylindrical fixedly connected in the one end of sliding portion along axial direction, the sleeve is fixedly connected with the sealing gasket of center opening in its smaller one end, the end of oxygen delivery tube is fixedly connected with the one end of sleeve close to sealing gasket and is communicated with the hole of sealing gasket center, after the gas outlet pipe is inserted to sleeve, the locking portion is clamped on the flange on gas outlet pipe, the sealing gasket is pressed in the outer end of gas outlet pipe.The utility model can be operated by single hand, since sleeve and pipe body are connected by passing through groove and clamping locking portion on the flange of groove side, sleeve, pipe body and locking portion are all rigid components, even if oxygen delivery tube is subjected to tension, sleeve and pipe body also cannot be loose.

The application relates to the technical field of intelligent vehicle-mounted technology, in particular to a breathing synchronization intelligent vehicle-mounted oxygen supply control method and system, which comprises the following steps: emitting electromagnetic waves to passengers through a millimeter wave radar and receiving reflected echo signals; performing signal processing on the reflected echo signals to obtain periodic signal waveforms; identifying the inspiration stage and the expiration stage of the passengers based on the periodic signal waveforms; outputting an opening instruction in response to the identification of the inspiration stage; outputting a closing instruction in response to the identification of the expiration stage; and based on the analysis of the periodic signal waveforms formed by the passengers in a plurality of historical breathing cycles, predicting the starting moment of the next inspiration stage and outputting the opening instruction at a preset time point before the predicted starting moment of the inspiration stage. The oxygen utilization rate is greatly improved, so that a smaller-power oxygen generator or a smaller-capacity oxygen storage tank can be used under the condition of the same effective oxygen uptake, thereby reducing the system volume, weight, cost and energy consumption.

The invention relates to the technical field of sports physical fitness testing, and discloses a rugby special detection BeepTackle, and the method comprises the steps: guiding a subject to carry out a running and impact combined incremental load test, and recording the final level when the test is terminated; calculating a final speed and a standardized impact load coefficient based on the final level; finally, according to the evaluation model integrating running metabolism, basic metabolism and special impact load, the maximum oxygen uptake is calculated in combination with the body weight of the subject. The evaluation model innovatively introduces specialized load terms associated with metabolic weight and coefficients to quantify the physiological depletion of the impact action. The device comprises a shell, an impact strength collecting unit, an audio playing unit and a processing unit, a back plate groove is formed in the rear portion of the shell, and fast assembly and disassembly are achieved through cooperation of a locking mechanism and a fast disassembly plate mechanism which are driven by a button. By quantifying the special load, the evaluation result can more accurately reflect the actual combat physical ability of the athlete, and the test speciality, objectivity and operation convenience are improved.