341 results about "Oil quality" patented technology

The invention relates to the technical field of machine vision image analysis, in particular to a lubricating oil abrasive particle quality analysis method and system based on machine vision, and the method comprises the steps: obtaining a thickness distribution diagram of an oil residual layer on the surface of an abrasive particle through a gray ratio relation between a first transmission image and a second transmission image; performing optical compensation on the first transmission image to obtain a final compensation image, and performing phase consistency edge detection to obtain an abrasive particle edge enhanced image; calculating the polarization reflectivity ratio of each abrasive particle area; extracting the mirror reflection intensity difference of each abrasive particle in the abrasive particle edge enhanced image; and when the abrasive particles are analyzed as metal attributes according to the polarization reflectivity ratio and the specular reflection intensity difference, identifying the morphological characteristic parameters of the abrasive particles, matching the morphological characteristic parameters with a pre-stored abrasive particle wear characteristic library, and outputting a quality evaluation report of the lubricating oil according to a matching result. The influence of oil film interference is effectively inhibited, the metal particles are accurately distinguished, and high-precision analysis on the lubricating oil abrasive particles is realized.

The invention belongs to the technical field of hydroelectric generating set monitoring, and relates to a water turbine bearing temperature and lubricating oil state monitoring and fault diagnosis method and system. According to the method, triple-redundancy temperature measurement values of a water turbine bearing are adopted, multiple parameters are fused, redundancy design is adopted, sensor failure diagnosis is executed, a temperature-vibration-oil pressure combined feature space is constructed according to the triple-redundancy temperature measurement values and online oil quality parameters, a fault propagation map is established, and the fault propagation map is analyzed. And finally, based on the multi-level diagnosis model and in combination with the fault propagation atlas, composite fault mode recognition is realized, a fault classification result is obtained, and the composite fault mode recognition is realized based on the multi-level diagnosis model, so that the problems of low reliability, single monitoring dimension and insufficient fault recognition capability of a sensor in the prior art are effectively solved. And the equipment reliability and the operation safety are obviously improved.

The invention belongs to the technical field of emulsified oil recovery, and particularly relates to a method for recovering emulsified oil generated by preparing an alumina carrier through an oil column forming process. The emulsified oil recovery method comprises the following steps: adding ammonia water into emulsified oil, stirring, preserving heat, centrifuging, collecting upper-layer floating oil A, and removing bottom-layer water and impurities to obtain a first-stage emulsion; adding ammonia water into the primary emulsion, heating by using a heat source until the temperature is higher than 100 DEG C, then stopping heating to obtain a demulsified primary emulsion system, carrying out centrifugal treatment, collecting upper-layer floating oil B, removing bottom-layer water and impurities, and remaining a secondary emulsion; combining the collected upper-layer floating oil A and the collected upper-layer floating oil B, distilling and removing water to obtain an oil body A; carrying out vacuum distillation on the secondary emulsion to remove water, and centrifuging to remove impurities at the bottom layer to obtain an oil body B; and finally, combining the oil body A and the oil body B to obtain recovered oil. The method does not need to add organic auxiliaries such as a demulsifier, the recovery process is simple and easy to control, the treatment temperature is low, the recovered oil quality is good, and the recovery rate is high.

The invention relates to the technical field of physical property analysis, in particular to a rapeseed oil quality detection method and device and a storage medium. Determining Raman spectrum data of the rapeseed oil sample based on the oleic acid concentration and the erucic acid concentration; determining a peak intensity contribution coefficient based on the Raman spectrum data; based on the oleic acid concentration, the erucic acid concentration and the peak intensity contribution coefficient, constructing a rapeseed oil quality detection model; and performing quality detection on Raman peak characteristics of to-be-predicted rapeseed oil based on the rapeseed oil quality detection model to obtain a detection result of the to-be-predicted rapeseed oil. According to the method, the prediction precision of the rapeseed oil quality is improved.

The invention relates to the technical field of hygienic products, and discloses an intelligent monitoring method and management system for ship pollutant discharge, and the method comprises the following steps: S1, collecting cabin equipment operation parameters and pollutant discharge data through a multi-source sensor network; s2, an early warning threshold value is dynamically calculated based on the environment working condition and the load state; s3, evaluating the health state of the equipment and predicting potential faults; s4, judging the pollutant discharge compliance; s5, executing a multi-stage control strategy according to evaluation and judgment results; in the step S1, the equipment operation parameters at least comprise temperature, pressure, vibration frequency and oil quality indexes. According to the invention, by integrating various sensors and intelligent processing algorithms, real-time monitoring and dynamic adjustment of ship pollutant emission are realized, and ship emission compliance is ensured; meanwhile, the system can evaluate the health state of the equipment in real time, predict potential faults in advance and automatically execute multi-stage response measures, so that the safety, the environmental protection property and the operation efficiency of the ship are improved.

The invention relates to the technical field of lubricating oil quality monitoring, in particular to a lubricating oil quality on-line monitoring system and method, and the system comprises a data collection module which collects lubricating oil parameters in real time through a sensor array; the communication transmission module is used for constructing a data flow network and supporting multi-level interaction; the data analysis and diagnosis module is used for realizing state evaluation and fault early warning; the user interaction and visualization module provides a human-computer interaction interface and decision support; and the intelligent decision module realizes monitoring-maintenance closed-loop control, gives an alarm in time and realizes full-link intelligent control triggered by a maintenance action. According to the method, the prediction precision and the early warning capability of the degradation trend of the oil system are effectively improved through the improved autoregression moving average model, the real-time state of the oil is accurately reflected by dynamically adjusting the alarm threshold value, and the fault positioning precision is greatly improved through the space matching algorithm.

Devices, systems, and techniques can be provided for processing an oil-containing material with an alcohol-based solvent to extract oil from the material. In some examples, a system includes a pretreatment dehydration vessel that removes water from the oil-containing material prior to processing the oil-containing material in an extractor to extract oil from the material. An alcohol-based solvent may also be supplied to the dehydration vessel to remove water from the oil-containing material, thereby generating a dehydrated material that can be extracted in a downstream extractor.

The invention relates to the technical field of food quality detection, in particular to a diester oil quality detection method and system based on multi-source data, and the method comprises the steps: collecting multi-source heterogeneous data, carrying out feature extraction and dimension reduction, and generating a quality feature vector; multi-source data fusion is realized through a dynamic weight distribution model, and time sequence quality evaluation data is generated; performing error compensation on the low-confidence data by adopting a self-adaptive correction algorithm, and performing chain verification on the high-confidence data; and through bidirectional consistency verification, optimizing path planning, generating optimization feedback data and finishing final quality confirmation. Through multi-source data fusion, real-time analysis and automatic verification, the accuracy and efficiency of diester oil quality detection are remarkably improved, and the modern industrial intelligent requirement is met.

The utility model relates to a lubricating oil monitoring system, and belongs to the technical field of lubricating oil recycling pipelines. The lubricating oil quality detection device comprises an oil tank, an oil pump, a lubricating oil using device, a lubricating oil quality detection sensor assembly and a control system, the inlet end of the oil pump is connected with the oil tank through an oil inlet pipe, and the outlet end of the oil pump is connected with an oil inlet of the lubricating oil using device through an oil outlet main pipe. An oil outlet of the lubricating oil using equipment is connected with the oil tank through a main oil return pipe, an oil coarse filter is arranged at the inlet end of the oil inlet pipe, an oil fine filter and a first oil cooler are sequentially installed on the main oil outlet pipe from front to back, a detection oil pipe is connected to the position, on the downstream side of the first oil cooler, of the main oil outlet pipe, and a detection box is connected to the tail end of the detection oil pipe. The detection box is connected with the oil tank through a bypass oil return pipe, the lubricating oil quality detection sensor assembly is arranged in the detection box, and a first temperature sensor and a first pressure gauge are arranged on the oil outlet main pipe and located on the downstream side of the connecting point of the detection oil pipe and the oil outlet main pipe.

The invention discloses an oil liquid quality evaluation system based on big data, and relates to the technical field of multi-source sensing and Internet of Things, and the system comprises a data collection module which collects full-dimensional data through a heterogeneous sensing array of an oil-containing liquid multi-parameter integrated sensor and a high-frequency vibration sensor in combination with a timestamp synchronous triggering mechanism; the space-time calibration module adopts a dynamic time warping-interpolation collaborative algorithm to align the vibration signal and the oil data, and the information loss is controlled to be lower than a preset threshold value; the feature fusion module generates enhanced fusion features through a pre-trained embedded model and a double-stage attention mechanism; the intelligent evaluation model outputs oil quality grade and fault early warning based on a deep neural network, and the federated learning optimization unit guarantees data privacy; and the visual output module visually displays the result. The system improves the evaluation precision and the data utilization rate, adapts to industrial predictive maintenance, and reduces the shutdown loss of equipment.

The invention aims to provide the in-situ online detection system for acetylene dissolved in oil for the oil immersed power transformer, and the in-situ online detection system can be directly mounted in an oil tank of the transformer, so that real-time, lossless and in-situ online monitoring on acetylene gas dissolved in oil is realized, and oil loss and pollution risks caused by oil sample extraction in a traditional detection mode are avoided. By introducing the micro photoacoustic spectrum acetylene gas sensor, high-sensitivity and high-selectivity acetylene gas detection is realized, and the acetylene gas sensor has the characteristics of being compact in structure, easy to install and free of maintenance. The system can rapidly and accurately monitor the operation state of the transformer, provides an important basis for preventing potential faults, and improves the operation reliability and safety of the power transformer.

The invention relates to the technical field of spectral analysis, and discloses a spectral analysis-based safflower oil diglyceride oil quality detection method. The method comprises the following steps: firstly, acquiring sample spectrum acquisition parameters and original spectrum data, wherein the data contains characteristic absorption peak wave band information and is acquired according to a preset scanning mode; preprocessing the original spectral data, and extracting feature absorption difference points to generate a feature mapping set; dividing an effective detection interval based on the feature mapping set, and adjusting spectrum acquisition parameters to form a correction parameter group; aligning the adjusted spectral data to generate multi-dimensional spectral data; and inputting an absorption peak matching model to carry out characteristic absorption peak matching processing, identifying a characteristic identifier and a quality abnormality identifier, and generating a quality judgment result. After a result is generated, the equipment working state and environmental parameters are monitored in real time, and the correction parameter set is dynamically adjusted to adapt to environmental changes. According to the method, the quality of the safflower oil diglyceride oil can be accurately detected, and the detection efficiency and reliability are improved.

The invention discloses an oil quality detection method and system, and relates to the technical field of industrial equipment state monitoring. The method comprises the following steps: regularly collecting operation condition and environment data in the operation process of the hydraulic system, performing oil quality abnormity prediction, and generating a predicted oil abnormity probability; when the predicted oil abnormal probability exceeds a preset probability threshold value, oil sampling is triggered to obtain an oil sample; calling a historical predicted oil abnormal probability sequence in the sliding window to analyze an oil quality deterioration trend, and obtaining an oil quality deterioration rate; and generating an adaptive oil quality detection scheme by combining the current detection time interval and the oil quality deterioration rate, detecting the oil sample according to the adaptive oil quality detection scheme, and outputting a result. According to the method, the conversion from fixed period maintenance to state prediction maintenance is realized, the problem that excessive detection and insufficient detection coexist in a traditional method is effectively solved, and the accuracy, timeliness and resource utilization efficiency of oil quality monitoring are improved.

A grain and oil quality automatic detection device disclosed by the present invention comprises a belt conveyor, a first detection mechanism, a second detection mechanism, a driving mechanism, a cleaning mechanism and a collection mechanism, the belt conveyor is provided with a plurality of placing sleeves for bearing oil sample tanks, the first detection mechanism is used for detecting color, impurity and transparency of oil samples, and the second detection mechanism is used for detecting color, impurity and transparency of the oil samples. The second detection mechanism is used for detecting the acid value, the peroxide value and the moisture of an oil sample, the driving mechanism drives the second detection mechanism to move between a detection position and a cleaning position, the cleaning mechanism is used for performing heating flushing and hot air drying on a detection head, and the collection mechanism is used for performing separation and recovery treatment on detected oil and a sample tank; according to the device, the whole process automation of continuous and automatic conveying of edible oil samples, image and physical and chemical property detection, automatic cleaning and drying of a detection head and sample tank recovery is realized, and the problems of low efficiency, high pollution risk and high manual participation degree of an existing detection mode are solved.

The utility model discloses a kind of downhole safety valves for medium and heavy oil quality well, it is related to safety valve technical field;Including:valve body, both ends are provided with connecting joint;Valve seat, it is set in valve body, the internal cavity of valve body is separated into control chamber and connecting chamber, middle part is provided with valve hole;Valve plate, it is set in connecting chamber, it is adapted with elastic reset piece, covers in the lower end of valve hole;Valve stem, it is adapted with reset spring, lower end is movably inserted in valve hole;Hydraulic drive rod group, it is installed in control chamber, it is adapted with movable rod, the movable rod can push down the valve stem;Explosion response mechanism can be controlled detonation on ground, it is installed between lower end of the hydraulic drive rod group and upper end of the valve stem, in the case of detonation, it can drive the movable rod to move up and drive the valve stem to move down;Wherein, in the case where the movable rod pushes down the valve plate, two The connecting joint is communicated. With the characteristics of high reliability and high emergency response capability.

The application provides an oil recovery quality inspection system and an aviation oil storage system. The oil recovery quality inspection system comprises a main pipeline, an oil pump unit, a plurality of oil quality inspection units and an oil recovery unit. The main pipeline comprises an outlet end and a plurality of inlet ends. The inlet of the oil pump unit is connected to the outlet end. The plurality of oil quality inspection units are used to be connected to corresponding oil storage tanks and are distributed along the main pipeline at intervals. The oil quality inspection unit comprises a first flow meter and a sampler. The first flow meter and the sampler are connected in parallel between the outlet of the oil storage tank and the inlet end. The first flow meter is used to measure the amount of oil flowing out from the bottom of the oil storage tank. The sampler is used to sample and detect the oil at the bottom of the oil storage tank. The outlet of the oil recovery unit is connected to the outlet of the oil pump unit. The outlet of the oil recovery unit is connected to the inlet end. In this way, the arrangement of the pipeline is simplified, the cost is reduced, and the staff can be protected from directly facing the oil, thereby protecting the staff's body and the environment.

The application discloses an oil blending component oil proportioning optimization control method, system, device and medium based on soft measurement. The application predicts the quality attribute of the finished oil in real time through a soft measurement module, obtains an attribute prediction value, determines a target gain with the original proportioning data, and corrects the model gain of a multivariable controller online by using the target gain, generates adjusted target proportioning data by the multivariable controller, and issues a formula control instruction to a control device, so that the component oil proportioning is accurately adjusted. When the component oil formula or attribute changes, the application can automatically and timely adjust the controller gain, effectively overcome the nonlinearity of the blending process, improve the control precision and system robustness, thereby guaranteeing the stability of the finished oil quality and avoiding the waste of high-value component oil. By introducing the soft measurement technology, the method can replace the traditional online analyzer to a certain extent, reduce the dependence on expensive instruments, and improve the economy and maintenance convenience of the system.

The utility model provides a blending device with an oil product quality monitoring function, which relates to the technical field of oil production and comprises a blending tank, a blending cavity and a storage cavity are respectively arranged in the blending tank, a sleeve is arranged at the central position in the blending cavity, a connecting column is embedded in the sleeve, and a rotating rod is rotatably connected in a connector on the surface of the connecting column. Stirring blades are fixed to the two ends of the rotating rod, a base plate and a discharging plate are connected between the blending cavity and the storage cavity, an infrared detector and a receiver are installed at an installation opening in the inner wall of the blending tank and an installation opening in the top face of the discharging plate respectively, and the infrared detector and the receiver are vertically aligned in position. According to the stirring device, the vertical circulating flow of liquid can be enhanced, stirring is more uniform, the blades are adjustable, the stirring device can adapt to liquid with different viscosities, densities and components, the more accurate stirring effect is achieved, and meanwhile the water content in an oil product can be monitored in the blending process in an infrared light detection mode.

This invention relates to the field of hydropower technology and discloses an intelligent monitoring method for a governor, comprising: deploying signal acquisition components and actuators; forming a continuous curve over time based on signal data acquired by the signal acquisition components; wherein the signal data includes oil pressure, flow rate, oil temperature, oil level, oil quality, noise, odor, opening degree, current, and voltage; performing fault diagnosis and early warning based on the continuous curve and / or video data acquired by the infrared camera; and activating an emergency response plan and performing emergency response operations when the set activation conditions are met, based on the real-time acquired signal data. This invention can further improve safety and reliability and make its operation management, maintenance, and repair work as intelligent as possible, thereby ensuring the long-term stable operation of the hydropower station.

The invention discloses a refining and decolorizing integrated quality monitoring and feedback device and method for camellia-seed oil. The device comprises an oil rolling and refining assembly structure; the oil guide pipe body structure is connected to the rolled oil refining assembly structure; the self-adaptive driving structure is provided with a reciprocating linear kinetic energy output end part; the kinetic energy input end of the folding and unfolding frame body structure is in transmission connection with the reciprocating linear kinetic energy output end of the self-adaptive driving structure, and the kinetic energy output end of the folding and unfolding frame body structure can be arranged in a multi-point distributed folding and unfolding mode; and the oil suction assembly structure is provided with a plurality of sets of pump suction type oil suction ends, and the multiple sets of pump suction type oil suction ends of the oil suction assembly structure are assembled at the kinetic energy output ends of the folding and unfolding frame body structure correspondingly. The technical problem that in the prior art, when the quality of the camellia seed oil product is detected through tail-end single-point sampling, refined monitoring of all links of the working procedure is difficult to achieve, and then the stability of the quality of the oil product is not high is solved.

This application relates to an assembly device for an EPB transmission structure, specifically within the technical field of EPB power heads. The assembly device includes a conveyor line, a fixture, a clamping mechanism, a robotic arm, and an oiling mechanism. The fixture positions the housing and places it on the conveyor line for transport. The clamping mechanism presses against the housing for positioning. The oiling mechanism includes an oiling ring mounted on a mounting frame with multiple oiling holes arranged in a circular array inside; and a conveyor belt that transports gears at intervals. This application utilizes a robotic arm to grasp and drive the transport gears, and the multiple oiling holes in the oiling ring, in conjunction with the gear rotation, uniformly add lubricating oil to the gears. After adding oil, the gear rotation causes excess lubricating oil to flow back into the oiling ring, improving assembly efficiency and oiling quality while reducing lubricating oil waste and the risk of environmental pollution.

The present application relates to the technical field of physical property analysis, and particularly relates to a rapeseed oil quality detection method and device and a storage medium, which comprises the following steps: obtaining the concentration of oleic acid and the concentration of erucic acid of a rapeseed oil sample; determining the Raman spectrum data of the rapeseed oil sample based on the concentration of oleic acid and the concentration of erucic acid; determining a peak intensity contribution coefficient based on the Raman spectrum data; constructing a rapeseed oil quality detection model based on the concentration of oleic acid, the concentration of erucic acid and the peak intensity contribution coefficient; and performing quality detection on the Raman peak characteristics of a rapeseed oil to be predicted based on the rapeseed oil quality detection model to obtain a detection result of the rapeseed oil to be predicted. The method improves the prediction accuracy of the quality of rapeseed oil.

The invention provides a map construction method for oil points with abnormal quality based on vehicle network data analysis, and the method comprises the steps: recognizing a first target vehicle with standard-exceeding emission and catalyst poisoning faults based on vehicle network data; acquiring oil liquid level time sequence data of the first target vehicle, and acquiring a refueling record of the first target vehicle based on the oil liquid level time sequence data of the first target vehicle; clustering the refueling position of the first target vehicle to obtain a clustering result; the clustering result comprises predicted gas station positions, the number of refueling vehicles at each predicted gas station position and the number of refueling times at each predicted gas station position; and based on the position information of the gas stations recorded by the industry and the commerce and the clustering result, the position information of the regular gas stations and the suspected black gas stations with the suspected oil quality problem is identified through a neural network, and the regular gas stations with the suspected oil quality problem are accurately identified.

The utility model relates to the field of vehicle cup stand processing equipment, in particular to cup stand oiling equipment which comprises a mounting platform, a rotating tool, a rotating driving mechanism and a spray oiling mechanism, the rotating tool is rotatably arranged on the mounting platform, the rotating driving mechanism drives the rotating tool to rotate, a cup stand is mounted on the rotating tool and rotates along with the rotating tool, and the spray oiling mechanism is arranged on the mounting platform. The rotating tool is provided with a vacuum suction cup used for adsorbing and fixing the cup stand, the spraying and oiling mechanism comprises a fixing frame, a spraying valve and an oil spraying nozzle, the spraying valve is installed on the fixing frame and controls the oil spraying action of the oil spraying nozzle, and the oil spraying nozzle faces the position, to be subjected to oil spraying, of the cup stand and sprays oil. According to the utility model, the cup stand to be oiled is positioned and fastened through the rotating tool, the rotating driving mechanism drives the rotating tool and the cup stand to rotate for a circle, and the spraying oiling mechanism is matched to complete the oiling action, so that the process is simple and quick, the grease is uniformly coated, the oiling quality and efficiency are effectively improved, and the labor cost required by the production link is greatly reduced.

The utility model belongs to the technical field of insulating oil detection, and discloses an insulating oil dielectric strength testing device which comprises a rack and a detection assembly arranged in the rack, and the detection assembly comprises a sealing vessel used for containing insulating oil and a detection unit used for dielectric strength detection; the motor is arranged on the rack; the clamping arm is used for clamping a vessel, and the clamping arm is fixedly connected with the output end of the motor; the air inlet valve is communicated with the vessel through a pipeline; the exhaust valve is communicated with the vessel through a pipeline; the nitrogen cylinder is communicated with the air inlet valve through a pipeline; according to the scheme, insulating oil is introduced into the vessel in an inclined mode, air in the vessel is replaced, the oxidation influence of oxygen and moisture on oil quality is reduced, and therefore abnormal discharge and data deviation caused by bubbles are reduced; the utility model solves the problem that the existing dielectric strength vessel is easy to cause bubbles to be mixed into the insulating oil.

Disclosed herein is a method for co-pyrolysis of a polyolefin and a rubber containing material comprising: operating at least a pyrolysis stage of a pyrolysis reactor at an operating temperature at or above the temperature at which pyrolysis of both the polyolefin and the rubber containing material commences and up to about 600° C. under a substantially inert atmosphere; feeding a mixture comprising the polyolefin and the rubber containing material into the pyrolysis reactor; co-pyrolysing the mixture in the pyrolysis reactor to produce a pyrolysis gas comprising volatile pyrolysis products of the polyolefin and the rubber, wherein the volatile pyrolysis product of the olefin comprises at least a short chain olefin and the volatile product of the rubber comprises at least a diene; and facilitating a gas phase reaction between the short chain olefin and the diene to produce a volatile gas comprising single-ring aromatic hydrocarbons.

The invention provides a refrigerating system and an oil return control method. The system comprises a refrigerating compressor, an oil separator, a condenser, a throttling device and an evaporator which are connected with one another to form a refrigerating loop. The enrichment device is connected into the refrigerating circuit, a containing cavity for containing a mixture is formed in the enrichment device, and the mixture mainly comprises lubricating oil, a gaseous refrigerant and a liquid refrigerant; and the oil product monitoring module is connected with the enrichment device and used for detecting indexes of the mixture and adjusting the connection state of the enrichment device and the refrigeration compressor and the connection state of the enrichment device and the oil collector according to the indexes. The enrichment device and the oil product monitoring module connected with the enrichment device are arranged in the oil return system, real-time monitoring and automatic recycling of lubricating oil products in the refrigerating system are achieved, recycling or discharging of the lubricating oil is judged by detecting the quality of the oil products, the flowing direction of the lubricating oil is adjusted, the use range of the return oil is widened, and the oil return system has the advantages of being simple in structure and convenient to use. And stable operation of the refrigeration compressor is protected.

The invention provides a grain and oil quality impurity component detection device, which comprises a detection tank, an annular material plate is rotatably connected in the detection tank, visual detection devices are installed above the left side and the right side of the annular material plate, stock bins are installed above the front side and the rear side of the annular material plate, and the left side and the right side of the annular material plate are provided with visual detection devices. A discharging mechanism and a V-shaped paving plate are installed on the two sides of the stock bin in the clockwise rotation direction of the annular material plate correspondingly, vibration mechanisms are installed in the positions, below the left side and the right side of the annular material plate, in the detection tank correspondingly, and each vibration mechanism comprises an impact ball capable of impacting the annular material plate in a vertical reciprocating mode; and the center of the detection tank is rotationally connected with a driving shaft, and a plurality of dispersing plates are fixedly installed on the side wall, located below the annular material plate, of the driving shaft. The device can effectively avoid the problem of leak detection caused by grain and oil accumulation, realizes a continuous grain and oil detection process, realizes integration of detection and impurity removal, and improves the overall efficiency.

The present application relates to a kind of oiling detection device, gas Roots flowmeter and oiling detection method.Solve the existing technology in the gas Roots flowmeter in use, due to maintenance is not timely, often appear because of the lack of lubricating oil, metamorphism, leading to the wear of shaft, bearing, thereby influence measurement accuracy, even appear the phenomenon of jamming problem.Oiling detection device includes control module, oil level detection infrared receiving tube connected with control module, oil level detection infrared emitting tube, oil quality detection infrared receiving tube, oil quality detection infrared emitting tube, and left to right sequentially connected transmission and reflection piece, refraction and reflection piece and sheath, by the difference of infrared emitted and received light signal information, to realize the detection of oil level and oil quality;The present application also proposes a kind of gas Roots flowmeter based on oiling detection device and oiling detection method.