2481 results about "Gas detector" patented technology

A device for real-time detection of pipeline gas leakage and leakage prevention includes a gas pipeline, wherein a gas detector is arranged at an outer part of the gas pipeline, a telescopic cylinder is also electrically connected to an outer side of the gas detector, a plurality of three-way elliptical pipes are mounted at a middle segment part of the gas pipeline, a limiting cylinder is fixedly mounted at a bottom port of each three-way elliptical pipe, a separating mechanism is arranged between each limiting cylinder and the three-way elliptical pipe, and a pneumatic mechanism is arranged at a bottom of the limiting cylinder. After detecting gas leakage, the gas detector immediately triggers the telescopic cylinder through an electrical signal, and the pneumatic mechanism triggers the separating mechanism to separate and seal the three-way elliptical pipe when being driven by the telescopic cylinder.

The invention discloses a vehicle-mounted laser gas pollution detection and prediction system, which comprises a mobile laser detection platform, a machine prediction system and a dynamic pollution map generation system, and is characterized in that the mobile laser detection platform is carried on a new energy vehicle and is integrated with a laser gas detector, a high-precision positioning module, an inertial navigation system and an environment sensor group; the machine prediction system receives real-time traffic flow data, weather forecast data and topographic data and outputs a pollution diffusion prediction result; the dynamic pollution map generation system comprises a space-time synchronization module, a data fusion module and a pollution event marking module. And the space-time synchronization module binds the gas pollution data with the positioning coordinates and the millisecond timestamp through hardware clock synchronization.

The invention relates to the technical field of auxiliary devices of detection equipment, in particular to a robot and method for detecting the stability of the wall of a pile hole and poisonous gas in the hole, and the robot can be automatically clamped according to the size of the pile hole and automatically ascends and descends for detection after being clamped. The method for detecting the soil texture of the poison gas in the deep pit comprises the following steps: according to the types of harmful gases possibly existing, oxygen, methane, hydrogen sulfide, carbon monoxide and the like, detecting the soil texture of the poison gas in the deep pit, and detecting the soil texture of the poison gas in the deep pit. A multi-parameter gas detector capable of detecting the gases is selected, so that all operators are properly trained to know how to correctly use the detector and deal with emergency situations; and determining that the sensor works normally and is not damaged or blocked, and placing the gas detector at different heights of the pile hole, generally performing detection once from the bottom to the top at a certain distance so as to obtain comprehensive data.

The invention discloses an automatic calibration method and system for a mining laser gas detector, and relates to the technical field of instrument calibration. The method comprises the following steps: dividing detection beam parameters into measurement beam parameters and reference beam parameters; enabling the measurement light beam parameter to penetrate through the to-be-measured gas area to obtain a measurement signal, and enabling the reference light beam parameter to penetrate through the reference gas chamber to obtain a reference signal; performing photoelectric conversion calculation on the reference signal to obtain a gas concentration detection value; the gas concentration detection value is compared and analyzed with a reference data value according to the central wavelength position of the mining laser gas detector, and a calibration unit is activated according to a comparison result; and automatically correcting the mining laser gas detector, generating a correction parameter set, calculating a measurement signal, and generating a concentration value of the gas to be detected. The technical problems of low calibration efficiency and unstable calibration precision of the mining laser gas detector in the prior art are solved, and the technical effects of realizing automatic calibration of the mining laser gas detector and improving the calibration efficiency and precision are achieved.

The invention relates to the technical field of earthquake detection, and discloses a constant-pressure online detection device and method for the concentration and flow of gas escaped from a hot spring, and the device comprises a gas collecting hood, a buffer bottle, a gas flow detector, a constant-volume gas storage chamber, a constant-pressure detection valve, an online gas detector and a central controller; the gas collecting hood is arranged in a corresponding area of hot spring escape gas and collects the hot spring escape gas; the gas inlet end of the surge flask is communicated with the gas collecting hood through a pipeline, and the gas outlet end is communicated with the gas inlet end of the constant-volume gas storage chamber through a gas flow detector; the constant-volume gas storage chamber is communicated with an on-line gas detector pipeline through a constant-pressure detection valve, and when the air pressure value of hot spring escape gas stored in the constant-volume gas storage chamber is larger than a preset air pressure threshold value, the hot spring escape gas enters the on-line gas detector through the constant-pressure detection valve; the on-line gas detector is used for detecting gas components and concentration of gas escaped from the hot spring and sending detection data to the central controller.

An indoor air cleaning system, including: plural gas detectors which are disposed in indoor and outdoor fields for detecting air pollution information and outputting through IoT; a circulation back-flow channel; a circulation filter device disposed in the circulation back-flow channel; an air conditioning device disposed in indoor field for temperature and humidity adjustment; and a cloud computing server device receiving the air pollution information through IoT to form a database of the air pollution information, and receiving the temperature and humidity information outputted from the air conditioning device. The cloud computing server device compares the database and the temperature and humidity information, and outputs a control command to enable the circulation filter device. Internal circulation directional airflows are generated in the indoor field, the air pollution is guided to pass through the circulation filter device multiple times, and the ZAPClean Room 1˜9 of indoor field is achieved.

The embodiment of the invention relates to the technical field of engineering detection, and discloses an in-well multi-point gas detection device and an in-well multi-point gas detection method. The in-well multi-point gas detection device comprises a gas detector, a deflation brake and a plurality of ventilation hoses, the plurality of ventilation hoses are connected with the deflation brake, and the deflation brake is used for controlling opening or closing of a gas passage between the plurality of ventilation hoses and the gas detector; the deflation brake is connected with the gas detector; the ventilation hoses are different in length. According to the in-well multi-point gas detection device and the in-well multi-point gas detection method provided by the invention, whether toxic and harmful gas exists at a plurality of detection points in a manhole can be measured by adjusting the device once, and the detection efficiency and the position precision are improved.

The invention provides an intelligent fire prevention and control fire-fighting management system and method for a lithium battery energy storage power station, and relates to the technical field of data processing, and the method comprises the steps: arranging a multi-level temperature sensor, a gas detector and a smoke detector in and outside a battery module, and collecting and forming multi-source monitoring data; performing time sequence rate analysis, and if a preset condition is met, generating early warning data; in combination with sensor matrix distribution in the battery module, spatial cross comparison is executed to obtain abnormal positioning data, and false anomalies are eliminated through multi-point consistency verification; generating a directional processing instruction corresponding to the injection unit, and setting injection data in the processing instruction; the spraying unit is controlled to release an atomized fire extinguishing medium, so that the medium forms a permeation flow field in the gaps of the battery cells, and treatment feedback data is acquired and formed; performing trend analysis, and if the trend is not enough to recover to the preset safety range, generating a secondary processing instruction; according to the invention, the autonomy and accuracy of fire control management are improved.

The invention discloses a pipeline purging control system, method and equipment and a medium. The pipeline purging control system comprises a tail gas treatment pipeline, a current carrying pipeline, a purging pipeline and a controller. And the tail gas treatment pipeline is provided with a gas detector. The output end of the current-carrying pipeline is connected with the tail gas treatment pipeline, and carrier gas is introduced into the input end of the current-carrying pipeline; and the current-carrying pipeline is provided with a current-carrying valve. The purging pipeline comprises a first purging pipeline and a second purging pipeline; the first purging pipeline comprises a process pipeline through which process gas flows, purging gas is introduced into the input end of the process pipeline, and the output end is connected with a current-carrying pipeline; and the process pipeline is provided with a process valve. The controller is in communication connection with the gas detector, the process valve and the current-carrying valve, receives feedback signals sent by the gas detector, sends control commands to the process valve and the current-carrying valve according to the feedback signals, controls opening and closing of the valves and achieves pipeline purging. According to the pipeline purging control system, the convenience, reliability and safety of the pipeline purging process are improved.

The invention belongs to the technical field of gas detection, and particularly relates to a multi-component gas detection device and a detection method.The multi-component gas detection device is characterized in that according to components of detected gas, a laser driver drives a laser array to emit light with different modulation frequencies and multiple wavelengths, the light is changed into parallel light after passing through an optical fiber array and a micro-lens array, and the parallel light is transmitted to a gas detector; after gas to be detected is absorbed and reflected by a diffuse reflection surface, reflected light passes through a lens and a dichroscope to be converged, light with long wavelength and light with short wavelength respectively enter photoelectric detectors with corresponding wave bands, the photoelectric detectors convert optical signals into electric signals and filter the electric signals, and the filtered signals to be detected are transmitted into a digital lock-in amplifier to be processed in parallel. And demodulating second harmonics and first harmonics of different gases, and calculating the concentration of each to-be-detected gas through a calculation unit. According to the invention, simultaneous detection of multi-component gas concentration can be realized.

The invention discloses a gas detector for air pollution detection, and belongs to the technical field of gas detection.The gas detector comprises an outer shell and an inner shell which are arranged in a sleeved mode and used for detecting gas to be detected; the adjusting mechanism is used for adjusting the height and angle of the detection mechanism; wherein an inner air inlet cavity is formed in the inner shell, and an outer air inlet cavity is formed between the outer shell and the inner shell; a sensor is mounted on the inner wall of the inner air inlet cavity; an exhaust pipe communicated with the inner air inlet cavity is arranged on the outer shell, and a fan is mounted in the exhaust pipe; a rotating ring is rotationally arranged on the radial inner wall of the outer shell and used for adjusting the opening and closing states of the inner air inlet cavity, the outer air inlet cavity and the exhaust pipe. The inner gas inlet cavity is a core detection area, a sensor is installed to make direct contact with to-be-detected gas, and the outer gas inlet cavity is a split-flow filtering area and serves as a temporary storage area of follow-up impurities. The exhaust pipe is communicated with the inner air inlet cavity, the fan is arranged in the exhaust pipe, and the fan provides active air suction and exhaust power and supports reverse blowing and cleaning of residual impurities in the cavity.

The utility model discloses a CH4 gas detector of an optical device, relates to the field of gas detection of optical devices, and provides the following scheme aiming at the problem that in the existing practical application, a packaged 2.0 mm window flat window pipe cap is not particularly ideal in product performance index when being used by a client, the CH4 gas detector comprises a pipe seat, a ceramic gasket is connected with the middle part of the upper end of the pipe seat, and the upper end of the ceramic gasket is provided with a hollow cavity; a ceramic gasket is arranged in the tube base, the ceramic gasket is of a detachable adjusting structure, a chip is connected to the upper end of the ceramic gasket, a coated glass sheet is connected to the outer side of the chip, a tube shell is connected to the outer end of the coated glass sheet and the four sides of the upper portion of the tube base, and a mm light-transmitting window is formed in the middle of the upper end of the tube shell. According to the utility model, the structure is novel, the sensitivity and accuracy of the detector are improved by adjusting the thickness of the ceramic gasket and controlling the height from the photosensitive surface of the chip to the glass surface, and the optical performance of the detector is improved by matching with the 3.0 mm light-transmitting window arranged at the middle part of the upper end of the tube shell.

The invention discloses a gas recognition and concentration detection method and system based on machine learning, and relates to the technical field of gas concentration detection.The method comprises the following steps that relevant data of a box body is obtained based on a transparent incubator, light intensity loss simulation is conducted through an open-circuit type laser gas detector, and light intensity loss simulation data is obtained; based on a multi-perceptron model, constructing a light intensity loss influence model by using the light intensity loss simulation data; constructing a gas detection light path based on an open-circuit laser gas detector, and dynamically collecting the light intensity of laser passing through the transparent incubator to obtain related gas detection data; comprehensive gas concentration detection analysis is carried out, and gas detection management is carried out on the interiors of the transparent culture boxes; the device and the method are used for solving the problem that when the gas concentration in the transparent incubator is detected by an existing gas concentration detection technology, the gas concentration in the transparent incubator cannot be accurately detected in real time under the condition that the internal environment of the incubator is basically not influenced.

The invention provides a method for positioning, early warning and automatically correcting a monitoring target of a laser gas detector, which comprises the following steps of: aligning the central position of a camera with a monitoring target object to obtain an initial picture, and extracting image features to obtain a sample set A; a camera shoots an actual picture to extract image features to obtain a sample set B at a target position; calculating an offset distance and an offset according to the picture features in the sample set B and the sample set A; if the offset distance is smaller than an error threshold value, performing gas detection to analyze the concentration; if the offset distance is greater than or equal to the error threshold, determining an adjustment direction according to the offset, and calculating a new target detection angle by using the adjustment amplitude; and moving the camera in the horizontal direction and the vertical direction towards the adjustment direction by the adjustment amplitude to obtain a horizontal offset and a vertical offset, calculating a compensation angle, if the compensation angle is greater than a preset threshold value, sending an alarm notice, otherwise, resetting the target position according to the compensation angle. According to the invention, the accuracy and timeliness of gas detection around the target object are ensured, and the cost expenditure is reduced.

The utility model discloses an extraction type gas detection device. The extraction type gas detection device comprises a detection box, a gas detector, a gas extraction pump, a filtering device, a compressed air supply device, a calibration device and a control device, according to the utility model, the motor rotates to drive the turntable to rotate, the turntable shifts the indexing plate through the shifting rod and the indexing groove, and the indexing plate rotates each time to enable the first air inlet hole in the lower wall of the rotating cylinder to be communicated with the eight groups of exhaust pipes in sequence, so that the aim of switching the eight groups of exhaust pipes for air intake is fulfilled; the gas detector is used for detecting the concentration of gas entering the detection box, the motor continuously rotates to keep the device continuously running for 24 hours, and the on-site gas concentration is monitored in real time.

The invention relates to the field of intelligent assistance of indoor gas safety inspection, discloses an auxiliary identification method for indoor gas safety inspection, and aims to solve the problems of low efficiency and low quality of gas safety inspection. The method comprises the following steps: establishing a standardized inspection process, and inspecting whether gas pipelines, gas meters, gas appliances and ventilation conditions meet the conditions or not; checking the acquired image, judging whether the image meets the requirement or not, and reserving the image meeting the requirement to obtain a third-step image; step 3, judging whether the image in the step 3 has a shooting element or not, reserving the image with the shooting element as a shooting element image, screening out photos with screens of the gas meter and the gas detector, and identifying the reading of the gas meter and the detection condition of the gas detector by utilizing target detection and OCR technologies; and carrying out abnormal condition identification on the shot element image, and sending the gas serial number of which the abnormal condition is identified to an inspector. The system can assist personnel in safety check, and has remarkable advantages.

The invention relates to the technical field of gas sensors, in particular to a gas detector and a detection method.The gas detector comprises a body and further comprises a filter screen, a sensing element, a driving assembly and a gas pump assembly.The bottom of the body is provided with a gas inlet and a gas outlet; the driving assembly and the air pump assembly are arranged in the body, one end of the driving assembly is used for driving the filter screen to horizontally rotate, and the other end of the driving assembly is used for driving the air pump assembly to perform suction action; one end of the air pump assembly is used for blowing air towards the air inlet so as to blow away dust at the bottom of the filter screen or sucking external air into the air outlet, and the other end of the air pump assembly is used for blowing air towards the air outlet so as to blow away dust at the bottom of the filter screen; the air suction and blowing structure is arranged to blow and clean the filter screen, so that the filter screen is not prone to being blocked, the frequency of manual maintenance is reduced, and the burden of maintenance work is relieved.

The present disclosure relates to a dust-removed odor sampling device for oil shale and a photoelectric fused method for underground in-situ exploration and thermal evolution stage monitoring of oil shale, belonging to the technical field of oil shale in-situ exploration and exploitation. The present disclosure includes: establishing an dust-removed odor sampling device, which includes an imitation sandfish lizard dustproof chamber, an imitation leaf filter membrane, a single-chip microcomputer controller, a dust collection box, a solenoid valve and an air pump; using a redesigned FB score and a feature selection algorithm to optimize a gas sensor array and reduce the apparatus volume and energy consumption; and combining the optimized gas sensor array with the optical gas detector to realize the underground in-situ exploration and thermal evolution stage monitoring of oil shale by the photoelectric fusion method.

The invention relates to the technical field of gas detection, in particular to an ultra-low power consumption wireless transmission gas detector. On the basis that all gas detectors in a to-be-monitored area operate in a detection dormancy alternating mode to reduce power consumption, a low-power-consumption control system is additionally arranged; the change condition of gas concentration data in the surrounding environment of gas detectors at different positions in a to-be-monitored area is comprehensively analyzed through a low-power-consumption control system, so that when the gas detectors are about to enter a dormant state, the gas detectors needing to be suspected to be adjacent to leakage points are screened out to prolong the detection time; therefore, the detection effectiveness is improved on the premise that the power consumption is reduced as much as possible.

The invention discloses a data analysis method for greenhouse gas emission flux on an aerated water surface, and belongs to the technical field of gas detection.The method comprises the steps that a floating static box is arranged on the aerated water surface in a floating mode, and two exhaust ports of the floating static box are communicated with an air inlet of an online gas detector and the atmosphere respectively; the floating static box is used for collecting gas brought by bubbles on the aerated water surface, and the gas online detector is used for detecting the gas in the floating static box; and correcting the data detected by the gas online detector. According to the data analysis method for the aeration water surface greenhouse gas emission flux, detection of the aeration water surface gas emission flux can be achieved, particularly, for sewage treatment plant biochemical pool aeration water surface greenhouse gas emission, through data correction and a special algorithm, deviation can be reduced, and the detection accuracy is improved. The accuracy and the application range of the detection method are improved.

The invention discloses a goaf coal spontaneous combustion early warning system which comprises a plurality of temperature sensors and a plurality of gas detectors arranged in a goaf, and the gas detectors are used for detecting gas components in the goaf; the data acquisition module is connected with the temperature sensor and is used for acquiring temperature data; meanwhile, the data acquisition module is connected with the gas detector and is used for acquiring gas component data; the data acquisition module comprises a signal conditioning circuit and is used for amplifying and filtering an electric signal output by the temperature sensor; the data acquisition module further comprises an A / D converter used for converting an analog signal into a digital signal; the processing module is connected with the data acquisition module and is used for processing the temperature data and generating an early warning signal; the processing module is also used for processing the gas component data and generating an early warning signal in combination with the temperature data; and the early warning module is connected with the processing module and is used for receiving the early warning signal and sending out early warning information. The method has the effect of timely and accurately carrying out early warning on coal spontaneous combustion in the goaf.

A gas detection device for detection of one or more gas analytes in an environment includes a housing including an inlet via which gas to be sampled from the environment enters the housing, a control system within the housing comprising a processor system and a memory system in communicative connection with the processor system, and one or more gas sensors within the housing in fluid connection with the inlet and in communicative connection with the control system. Each of the one or more gas sensors is independently responsive to one of the one or more gas analytes. The control system is configured to control flow rate of gas from the environment through an accessory device assembly including one or more accessory devices in fluid connection with the inlet on the basis of data for the accessory device assembly in fluid connection with the inlet.

The invention discloses a battery pack intelligent fire extinguishing system based on multistage thermal runaway early warning, which comprises a sensing monitoring module, a data processing module, an execution mechanism module and a communication interaction module, the sensing monitoring module comprises a distributed temperature sensor array for monitoring the surface temperature of the battery in real time and detecting abnormal temperature rise, a voltage / current monitoring circuit for detecting the voltage fluctuation of the battery and identifying the risk of internal short circuit, and a multi-gas detector for detecting the CO / CO / H concentration and judging the initial decomposition reaction of the electrolyte. According to the invention, three-level early warning can be carried out at the potential risk stage of thermal runaway, the initial stage of thermal runaway and thermal runaway outbreak, so that early warning or fire-fighting treatment can be carried out in advance, and disaster expansion is avoided; the situation of false alarm caused by temperature rise in the battery charging process can be reduced, and the early warning accuracy of the system is improved.

The invention discloses a source community sewage pollutant deposition-washing cooperative control method and system, and the method comprises the following steps: S1, discharging domestic sewage discharged by residents from an inspection well, and recognizing a pipeline operation mode according to a community resident drainage time period inputted by a remote control center; s2, performing different drainage control according to different time periods; s3, in the operation process of the system, monitoring and early warning the sediment height and methane gas in the sediment control pool 1 in real time; and an operator on duty of the remote control center timely and accurately performs mode switching treatment in the step S2 according to early warning signals transmitted by the ultrasonic mud level meter and the infrared gas detector, or adopts related operation and maintenance strategies for dredging treatment. According to the method and the system, the operation modes of the sediment control pool and the sewage pipeline in different drainage periods are set, so that the pollutant deposition of the pipeline of the source community is reduced and the collection efficiency of the domestic sewage pollutants is improved while the initial interception and precipitation function of the septic tank is exerted.

The invention discloses a tunnel advance drilling real-time monitoring device and a using method, and belongs to the technical field of tunnel drilling, the tunnel advance drilling real-time monitoring device comprises a drilling rod used for drilling, a monitoring assembly is installed at a slurry discharge port of the drilling rod, the monitoring assembly comprises an installation shell, the installation shell is arranged outside the drilling rod in a sleeving mode, and a harmful gas detector is arranged at the top of the installation shell; shifting pieces which are distributed in a staggered manner are mounted on two opposite side walls of the inner bottom of the mounting shell; a stabilizing assembly is arranged at the front end of the drill rod and used for limiting the drill rod in the vertical direction. A separation assembly is arranged below the mounting shell and is used for separating sand and stones in the slurry for detection; the separating assembly is fixedly connected with the bottom plate, the mounting strip is fixedly connected with the mounting shell through a horizontally-extending transfer frame, and the transfer frame is fixedly connected with the bottom plate through a vertically-extending stabilizing frame. The stirring piece extrudes the flowing-in slurry, so that gas and liquid in the slurry are more effectively separated, the detection precision and the detection efficiency are improved, and meanwhile, the drilling movement stability of the drill rod is improved.

An air pollution prevention system for a kitchen unit in an indoor field includes a cooking device, negative pressure exhausting devices, gas detectors and a cloud computing server. The negative pressure exhausting devices are disposed above and in front of the cooking device and respectively connected to exhausting channels. Each of the negative pressure exhausting devices includes a fan and a filter element. The gas detectors detect air pollution and output air pollution information. The cloud computing server receives the air pollution information, calculates the concentration of air pollution, and issues the control command to the negative pressure exhausting devices to enable the fans, so as to guide the air pollution to flow into exhausting channels and pass through the filter elements for exhausting to the outdoor, thereby achieving a gas state in the kitchen unit with a level of air pollution close to zero.

The utility model discloses a flow regulating device for hydrogen doping of natural gas, which belongs to the technical field of hydrogen doping of natural gas and comprises a protective box, a support table is placed at one end in the protective box, a hydrogen tank and a natural gas tank are placed on the support table, and the hydrogen tank and the natural gas tank are respectively communicated with a hydrogen pipe and a natural gas pipe. Through cooperation of a first electromagnetic valve and a second electromagnetic valve, a manual switch can be replaced to control circulation of hydrogen and natural gas, a detection assembly is arranged in mixed gas, and starting of the first electromagnetic valve, the second electromagnetic valve and a gas detector can be controlled through a controller; the mixing proportion concentration of hydrogen and natural gas is accurately controlled, the natural gas hydrogen doping flow adjusting efficiency is improved, the ventilation effect can be provided for the interior of the protection box through the arranged ventilation grooves, and the air flowing speed in the protection box can be increased through the fan designed at the top of the protection box.

The embodiment of the invention provides an underground gas detection method, a gas detector, electronic equipment and a storage medium, and belongs to the field of gas detection. The method comprises the following steps: collecting underground gas data, and determining corresponding infrared spectrum data based on the underground gas data; performing Fourier transform on the infrared spectrum data to obtain a spectrum absorption peak; based on a pre-established gas infrared spectrum database and a spectrum absorption peak, the type and the concentration of underground gas are identified, vibration information of gas molecules with extremely low concentration can be captured by utilizing an infrared spectrum technology, so that accurate measurement of the underground gas concentration is realized, and the method aims at complex and variable environments and accurate measurement of the underground gas concentration. An underground environment with a plurality of gases mixed exists, the characteristic absorption peaks of the plurality of gases can be detected at the same time by utilizing an infrared spectrum technology, effective identification and separation of the mixed gases are realized, and further comprehensive and accurate monitoring of the underground gases is realized, so that a safe operation environment is provided.

The utility model relates to the field of medical equipment, and discloses an oxygen output module, an oxygen supply system and an oxygen station, the oxygen output module comprises an oxygen compressor (32), and an inflation flow control valve (41) and an oxygen outlet control valve (39) which are arranged on a downstream air path of the oxygen compressor (32); an air path part between the inflation flow control valve (41) and the oxygen outlet control valve (39) is suitable for being detachably connected with an oxygenation container, and in the connection state, the oxygen outlet control valve (39) can be controlled to output oxygen inflated into the oxygenation container outwards so that a user can directly inhale the oxygen. According to the oxygen output module, multiple functions such as oxygen filling and oxygen inhalation can be achieved by applying one gas circuit, the oxygen output module has the advantage of being simple in structure, people are allowed to directly inhale oxygen while filling oxygen, the use flexibility is greatly improved, and therefore multiple different requirements are met.

The invention discloses a new energy gearbox shell leakage test plugging mechanism, and relates to the technical field of new energy automobile production, the new energy gearbox shell leakage test plugging mechanism comprises a positioning base, a plurality of movable plugging assemblies and an auxiliary inflation mechanism; the auxiliary inflation mechanism is connected with the adjustable sealing mechanism in a matched mode. The plugging block is in butt joint with the opening position of the gearbox empty shell and is sealed through the arranged sealing rubber ring, in the process, the flaring cover arranged on the outer side of the plugging block covers the outer side of the opening position, a sealed space is formed, and then specific detection gas is conveyed into the gearbox empty shell through the inflation and suction pump. If the gas detector detects that specific detection gas exists in the inner side of the flaring cover, leakage exists at the plugging position of the plugging block and the rubber sealing ring, so that an operator is prompted to check the plugging assembly, and the situation that the leakage test detection result of the gearbox empty shell is affected due to the fact that the sealing performance of the plugging assembly becomes poor is avoided.