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95 results about "Oil type" patented technology

Shipborne radar oil spill detection method and system based on improved whale optimization algorithm

The invention discloses a shipborne radar oil spill detection method and system based on an improved whale optimization algorithm, and relates to the technical field of image processing and mode recognition. The method is characterized by comprising the following steps: preprocessing an acquired shipborne radar image; extracting saliency boundary ratio features of the preprocessed image; extracting an ROI image based on the saliency boundary ratio feature; obtaining an optimal segmentation threshold value by using an improved whale optimization algorithm, and segmenting the ROI image by using the optimal segmentation threshold value to obtain an optimal segmentation image; and performing post-processing on the optimal segmentation image to obtain a final oil film image. According to the method, the difference between the oil spill area and the background is highlighted by extracting the significant features; by improving the whale optimization algorithm, the local search capability of the algorithm is enhanced, and premature convergence is avoided. The method achieves the efficient and accurate recognition of the oil film region, can reduce the false detection rate, and is suitable for the detection scenes of different sea conditions and oil spill types.
Owner:SHENZHEN INST OF GUANGDONG OCEAN UNIV

Water-in-oil type glossy lip cosmetic and preparation method thereof

According to the water-in-oil type glossy lip cosmetic and the preparation method thereof disclosed by the invention, a water-in-oil emulsification technology can be successfully integrated into a traditional lip gloss / lip glaze system by using a high-gloss grease composition with a specific formula, an emulsification composition with a specific ratio and a film-forming composition with specific viscosity and a specific ratio, so that a synergistic interaction effect is achieved; while the high oil phase content is ensured to realize high glossiness like that of a whole oil system, the stability problem of high-content difficult-to-emulsify grease and a water phase is solved by utilizing the emulsifying composition; through synergistic film formation of the film-forming composition and the high-content phenyl silicone oil, the interference of water to the film-forming property is effectively resisted, so that the non-stick-to-cup effect is comparable and even superior to that of a whole-oil formula, meanwhile, the water-feeling moisturizing advantage of an oil-in-water system is achieved, and the obtained water-in-oil system cosmetic has excellent stability and non-stick-to-cup performance.
Owner:A & H INT COSMETICS CO LTD

Multi-source sensing lubricating oil real-time demulsibility prediction method and system

The invention belongs to the field of industrial equipment lubrication state monitoring, and discloses a lubricating oil real-time demulsibility prediction method and system based on multi-source sensing, and the method comprises the steps: building and training a demulsibility prediction model comprising GBDT and SVM based on historical data, and in the training stage, taking oil product types and working conditions in the historical data as input features, and carrying out the prediction of the demulsibility of lubricating oil; taking a corresponding laboratory actually-measured lubricating oil demulsibility value as a training target, and enabling a model output value to be continuously close to the actually-measured value, so as to obtain a trained demulsibility prediction model; the oil product type and the working condition of the lubricating oil are collected in real time and input into the demulsibility prediction model, and a demulsibility prediction value tsep is output; the current state of the lubricating oil is judged according to the comparison result of the tsep and a preset threshold value; the system comprises a multi-source sensing module for acquiring oil product parameters of lubricating oil; the data processing and analysis module stores a trained demulsibility prediction model, takes oil product parameters as input and outputs tsep; and the cloud early warning module judges the current state of the lubricating oil according to a comparison result of the tsep and a preset threshold value. Through the multi-parameter collaborative modeling and dynamic compensation technology, the demulsibility index can be detected on line in real time.
Owner:ZHEJIANG UNIV

Oil type gas laser monitoring and early warning device and method

The invention relates to the technical field of oil type gas monitoring, in particular to an oil type gas laser monitoring and early warning device and method, and the device comprises a processor control panel, a laser driver, a laser device group, a light path change-over switch, a diffusion type light absorption cell and a tuning fork detector; emergent laser with different gas spectrum absorption wavelengths is generated; switching each path of laser beam to a diffusion type absorption cell; respectively demodulating based on the acquired acquisition signals to obtain second harmonic signal voltages of optical signals of methane, ethane and hydrogen sulfide gas; inputting the second harmonic signal voltage of the optical signal absorbed by the to-be-detected gas into the residual neural network, identifying the methane and ethane gas overlapping spectrum, and outputting the methane and ethane gas concentration in the to-be-detected gas; and generating a multi-parameter early warning signal according to the methane and ethane gas concentrations and the hydrogen sulfide concentration. The light absorption detection can be accurately carried out on methane, ethane and hydrogen sulfide in the oil type gas, and the methane and ethane gas overlapping spectrum can be effectively identified.
Owner:HUANENG COAL TECH RES CO LTD +1

Oil level monitoring device of oil conservator, using method and oil conservator

The invention belongs to the technical field of oil level monitoring of transformer oil conservators, and discloses an oil level monitoring device of an oil conservator, a using method and the oil conservator, the monitoring device comprises a corrugated core body arranged in the oil conservator, a monitoring stand pipe is arranged beside the corrugated core body, the edge of the top of the corrugated core body is connected with a magnetic ring, and the magnetic ring is arranged outside the monitoring stand pipe in a sleeving mode; a monitoring circuit is arranged in the monitoring riser and comprises a power supply, a resistor string and a magnetically controlled switch, one end of the resistor string is connected with the power supply, and the other end is connected with an output end; the resistor string comprises a plurality of resistors which are connected in series; the output end of each resistor is connected with the output end through a magnetically controlled switch; the magnetic control switches are arranged at different heights in the monitoring vertical pipe in the vertical direction. The output end is connected with a resistance measuring device. The technical problem that oil level monitoring is inconvenient due to the fact that the oil conservator is affected by the installation height is solved, and real-time monitoring of the oil level of the corrugated inner oil type oil conservator is achieved.
Owner:CHANGZHOU XIDIAN TRANSFORMER CO LTD +1

Internal oil type metal corrugated oil conservator with pointer type oil level indicator

The utility model belongs to the technical field of metal corrugated oil conservators for transformers, and particularly relates to an internal oil type metal corrugated oil conservator with a pointer type oil level indicator, which comprises a conservator cover, a conservator seat, an expansion core, the pointer type oil level indicator and a transmission and detection component. The expansion core body expands and contracts up and down in the cabinet cover, the pointer type oil level gauge is installed on the cabinet cover, the up-and-down movement of the expansion core body is converted into rotation of an oil level gauge pointer through the transmission and detection assembly, oil level information is transmitted to a remote control terminal, and the functions of remotely monitoring the oil level height and giving an alarm when the oil level is too high or too low are achieved. The oil level indicating device is visual and accurate in oil level indication, convenient and fast in reading, smooth and reliable in transmission and detection assembly operation, free of clamping stagnation, high in universality, free of limitation of sealing performance, capable of achieving remote monitoring and capable of saving manpower and material resources.
Owner:SHENYANG HAIWEI ELECTRIC POWER EQUIP CO LTD

An inner oil type metal bellows oil tank capable of carrying out positive pressure sealing test

ActiveCN224696589UOil typeMechanics
The utility model discloses an inner oil type metal corrugated oil storage tank that can carry out positive pressure sealing test relates to metal corrugated oil storage tank technical field, including the shell body, the lower wall inner surface of shell body is equipped with the core body lower end plate, the inside of shell body is equipped with the core body upper end plate with the position of core body lower end plate corresponds, be equipped with the corrugated core body between core body upper end plate with core body lower end plate, the upper surface both ends of core body upper end plate are equipped with the crossbeam, the both ends of two crossbeams are equipped with the limit end, the lower of shell body with the limit end corresponding position of limit end is passed through and is connected with the sliding limit sleeve, the upper end of limit sleeve is equipped with the limit pin, the limit pin with limit end splices and inserts the connection, the inside of limit sleeve is sleeved with display rod, and the structure is simple, and the operation is convenient to wear pin pull rod, and the product cost of positive pressure resistant structure is reduced greatly.
Owner:SHENYANG JIAHUA ELECTRIC POWER ELECTRIC APPLIANCES CO LTD

Hydroalcoholic composition for hand disinfection

Composition (C1) for hand disinfection comprising: a) At least one alcohol having one to four carbon atoms, b) At least one water-in-oil type emulsion (E) comprising: a cross-linked anionic polyelectrolyte (P); a fat phase consisting of at least one oil (H), water, a water-in-oil type emulsifying system (S1), and an oil-in-water type emulsifying system (S2); (c) at least one compound of formula (II): R2-(C=O)-O-(CH2-CH2-O)x-CH2-CH[(O-CH2-CH2)yO-(C=O)-R3]-CH2-(O-CH2-CH2)zO-(C=O)-R4 (II) wherein R2-(C=O), R3-(C=O) and R4-(C=O), whether identical or different, represent an acyl group, saturated or unsaturated, linear or branched, comprising from sixteen to twenty-four carbon atoms, and wherein the sum x + y + z is greater than or equal to thirty and less than or equal to one hundred; and (d) water.
Owner:SOC DEXPLOITATION DE PROD POUR LES IND CHEM SEPPIC

Multi-section coil structure of oil type transformer

The utility model discloses a multi-section coil structure of an oil type transformer, which comprises an iron core column and a winding main body, two ends of the winding main body are provided with end insulation rings, the winding main body comprises a first winding and a second winding which are symmetrically arranged, a middle insulation ring is arranged between the windings, and the winding main body is divided into two sections. The length of the oil duct in the winding body is shortened, the flowing speed of transformer oil in the oil duct is increased, local overheating of the coil can be prevented, the temperature rise of the transformer is lower, the continuous safe operation capacity and the overload capacity are improved, and the continuous safe operation capacity and the overload capacity are improved. A traditional single-section high-voltage coil group is divided into two sections of structures, the number of turns of the first high-voltage coil group and the second high-voltage coil group is reduced by 1 / 2, the interlayer voltage difference is reduced to 1 / 4 of the original number, breakdown is not prone to occurring, the safety performance is greatly improved, the axial short-circuit force of the coils is reduced, the strength of a single coil is improved, and the short-circuit resistance of the transformer is enhanced.
Owner:THE BUDDHA MOUNTAIN BUDDHA RUI ELECTRICITY LTD CO

Water-in-oil type cosmetics

To provide a water-in-oil cosmetic that offers both excellent usability as a cosmetic product and high stability. [Solution] A water-in-oil cosmetic composition containing 50% by mass or more of water, comprising the following components (A) to (C): (A) dipolyhydroxy fatty acid polyalkylene glycol, (B) sesquiisostearate sorbitan, and (C) oil thickener. Preferably, component (A) is polyethylene glycol dipolyhydroxystearate, component (B) is sorbitan sesquiisostearate, and component (C) is dextrin palmitate.
Owner:NOEVIR CO LTD

Water-in-oil emulsion cosmetic composition

To provide a water-in-oil type emulsion cosmetic composition which has high dispersibility of metal oxide particles in a liquid oil, is less likely to cause caking, and has strong high-temperature stability even when no silicone oil is used or only a small amount of a silicone oil is used.A water-in-oil type emulsion cosmetic composition includes the following components: surface-treated zinc oxide particles, surface-treated titanium oxide particles, polyhydroxystearic acid, polyricinoleic acid polyglycerol ester, an organically modified clay mineral, an aqueous component, and a liquid oil, wherein a content of the polyhydroxystearic acid is less than 1.0 mass %, and a content of the aqueous component is less than 15 mass %.
Owner:SHISEIDO CO LTD

Marine oil spill monitoring method and system based on multiband fluorescence spectrum neural network

The invention relates to the technical field of marine oil spill monitoring, in particular to a marine oil spill monitoring method and system based on a multiband fluorescence spectrum neural network. The method comprises the following steps: acquiring fluorescence spectrums and fluorescence image data of spilled oil of different oil types and different oil film thicknesses; respectively preprocessing the fluorescence spectrum and the fluorescence image data of the marine oil spill; constructing three-dimensional fluorescence spectrum data and a thickness difference matrix by using the preprocessed fluorescence spectrum; utilizing a deep neural network to carry out waveband feature and thickness feature extraction on the three-dimensional fluorescence spectrum data and the thickness difference matrix; according to the invention, the marine oil spill fluorescence spectrum and fluorescence image data are effectively integrated, and a reliable basis is provided for accurate identification and early warning of oil spill.
Owner:YANTAI UNIV

Selection method for emulsifiers for three-phase emulsification, emulsifiers for three-phase emulsification, three-phase emulsification emulsions, and three-phase emulsification methods.

PendingJP2026116530APolymer scienceOil type
This invention provides a method for selecting a three-phase emulsifier that has stable emulsifying ability for the oil type to be emulsified, a three-phase emulsifier, a three-phase emulsion using the emulsifier, and a three-phase emulsification method. [Solution] The method for selecting an emulsifier for three-phase emulsification is to select an emulsifier whose light scattering intensity at 25°C is 1500 or more when dispersed at a concentration of 2% by mass in an oily substance to be emulsified in three phases.
Owner:KANAGAWA UNIVERSITY

Intelligent identification method for remaining oil occurrence type in viscosity reducer assisted steam flooding

This invention provides an intelligent identification method for residual oil occurrence types in viscosity-assisted steam flooding, comprising: Step 1, preparing core samples and equipment for a viscosity-assisted steam flooding simulation experiment; Step 2, scanning the core samples using CT scanning technology to obtain CT scan image data; Step 3, thresholding the CT scan image data to identify each phase fluid; Step 4, calibrating the residual oil type based on image data from a typical sample set; Step 5, performing convolutional neural network identification of the residual oil type; Step 6, classifying and statistically analyzing the proportion of residual oil types; and Step 7, evaluating the development effect based on the proportion of residual oil types. This intelligent identification method for residual oil occurrence types in viscosity-assisted steam flooding can improve computational efficiency while obtaining higher accuracy and reliability of the residual oil types obtained after viscosity-assisted steam flooding, and more comprehensively evaluating its development effect.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Integrated portable probe system for on-site rapid diagnosis of oil state

The invention discloses an integrated portable probe system for on-site rapid diagnosis of an oil state, and belongs to the technical field of oil monitoring. The system comprises a portable host box body, an oil path sampling and detecting unit, a data acquisition and processing module, a human-computer interaction interface and a thermal printer module. Wherein the oil path sampling and detecting unit comprises a front-end sampling probe and a rear-end detecting assembly arranged in a box body, is integrated with a micro pump, a cleanliness sensor and a multi-parameter integrated sensor, and can synchronously detect the granularity, moisture, viscosity and acid value of oil liquid. And the data acquisition and processing module performs fusion analysis on the data by adopting a differential weight algorithm based on preset equipment and oil product types, and outputs a comprehensive evaluation report in real time through screen display and a printer. According to the invention, the problems of long detection period, high cost and single function of portable equipment in the prior art are solved, multi-parameter synchronous detection and on-site instant diagnosis are realized, and the operation and maintenance efficiency of the equipment is remarkably improved.
Owner:HANZHENG TESTING TECH CO LTD

Detection tool for detecting manufacturing deformation of external oil type metal corrugated oil conservator

The utility model belongs to the technical field of external oil type metal corrugated oil conservator manufacturing, and particularly relates to a detection tool for detecting manufacturing deformation of an external oil type metal corrugated oil conservator, an external oil type metal corrugated oil conservator to be detected and a structural frame are respectively arranged on a detection platform, and a transmission mechanism is arranged on the structural frame. The transmission mechanism comprises a horizontal module and a vertical module, a fixed part of the horizontal module or the vertical module is connected with the structural frame, the distance measuring sensor is installed on an output part of the vertical module or the horizontal module, and a reference plane perpendicular to the upper surface of the detection platform is formed on the structural frame through the combined action of the horizontal module and the vertical module. And the distance measuring sensor stays at any set point of the reference plane under the combined action of the horizontal module and the vertical module and measures the distance. According to the utility model, a high-precision measurement reference surface is established, accurate point taking and repeated point taking can be realized, and the problem of insufficient measurement precision in the prior art is solved through the high-precision distance measuring sensor.
Owner:SHENYANG HAIWEI ELECTRIC POWER EQUIP CO LTD

Oil mixing interface detector

This invention relates to an oil mixing interface detector, belonging to the field of oil mixing interface detection technology. The oil mixing interface detector includes a fixed tube with a protective sleeve fixedly connected to its side wall. A control module is located at the top of the fixed tube, and a detection component is located at the bottom of the fixed tube. An exhaust component is located at the bottom of the detection component. Connecting components are respectively located on the side wall of the exhaust component and the side wall of the protective sleeve. By setting the connecting components and fine-tuning the flexible tube port, the two connecting components can be connected to the input and output pipes respectively. The detection component effectively improves the detection range of multiple oil types, enhances the reliability of the detection, and makes the measurement results more realistic, accurate, and stable. The exhaust component effectively prevents oil overflow, thereby venting the gas in the oil and avoiding any impact on the detection of oil waste heat.
Owner:JIANGSU YONGSHENG AUTOMATION TECH CO LTD

8-hydroxyquinoline-polyglycolic acid microspheres, preparation method and anticorrosive paint

The invention relates to the technical field of preparation of intelligent composite anticorrosive coatings, in particular to 8-hydroxyquinoline-polyglycolic acid microspheres, a preparation method and an anticorrosive coating. The method comprises the following steps: jointly dissolving polyglycolic acid and 8-hydroxyquinoline in hexafluoroisopropanol to obtain a water-phase solution; mixing liquid paraffin and an emulsifier to obtain an oil phase solution; dropwise adding the water-phase solution into the oil-phase solution to form water-in-oil type emulsion droplets, carrying out emulsion polymerization reaction in the water-in-oil type emulsion droplets to obtain 8-hydroxyquinoline-polyglycolic acid microspheres with corrosion inhibition performance and fluorescence indication function, and mixing the 8-hydroxyquinoline-polyglycolic acid microspheres with epoxy resin and a curing agent to prepare the anticorrosive paint. The corrosion inhibition performance and the fluorescence indication effect of 8HQ are utilized, and the thermoplasticity and the fluidity of PGA are utilized, so that the anticorrosive coating is endowed with the self-repairing capability, the problems of unstable performance and single function are solved, and the novel intelligent anticorrosive coating integrating the functions of corrosion protection, in-situ monitoring and self-repairing is realized.
Owner:INNER MONGOLIA UNIVERSITY

Oriented long drill hole while-drilling oil type gas early warning and outburst intelligent prevention and control device

The invention discloses a long drill hole while drilling oil type gas early warning and outburst intelligent prevention and control device which comprises an oil gas pipe horizontally drilled and embedded in coal rock, the other end of the oil gas pipe is communicated with a blowout prevention device, a drill rod is coaxially connected in the blowout prevention device in a penetrating mode, and one end of the drill rod penetrates through the oil gas pipe and is drilled into the coal rock; a sealing device is installed at the end, away from the oil gas pipe, of the blowout prevention device, and an environment sensor is connected to the outside of the sealing device through a first ball valve. The outside of the blowout preventer is communicated with a methane monitoring sensor through a ball valve II; a flange on the outer wall of the blowout preventer is connected with a drainage pipe I, and the other end of the drainage pipe I is communicated with the gas collecting pipe; a pneumatic switch valve is arranged on one side of the sealing device; the gas concentration can be monitored in real time through the methane monitoring sensor, the pressure reduction unit arranged in the methane monitoring sensor can effectively cope with the emergency situation that the gas concentration is sharply increased, and gas ejection caused by too high gas pressure in drilling construction is avoided.
Owner:XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP +1

Heat dissipation structure of external oil type oil conservator

The heat dissipation structure of the external oil type oil conservator comprises a bottom plate, an oil conservator body is installed at the top of the bottom plate, an oil inlet pipe and an oil outlet pipe are arranged at the positions, close to the two ends, of the bottom of the oil conservator body respectively, and one end of the oil inlet pipe is connected with one end of an oil pump. The other end of the oil pump and one end of the oil outlet pipe are connected with an oil tank of the transformer through first connecting pipes, a heat dissipation mechanism facilitating heat dissipation of the oil conservator body is arranged on the inner side of the oil conservator body, two sets of heat conduction plates are installed on the outer wall of the oil conservator body, and a plurality of sets of cooling fins are installed on one sides of the two sets of heat conduction plates. According to the oil conservator, transformer oil can circulate between the oil tank and the oil conservator body, hot oil flowing into the inner side of the oil conservator body can be subjected to effective heat dissipation treatment through the arranged heat dissipation mechanism, the oil conservator body can be subjected to heat dissipation treatment through the arranged heat conduction plate and the arranged heat dissipation fins, and therefore the oil conservator body can be cooled through the structure. The heat dissipation efficiency of the oil conservator body and oil can be effectively improved.
Owner:河北华丰工业集团有限公司

On-line state diagnosis and emergency treatment system for flame-retardant hydraulic fluid

The invention relates to the technical field of fire-retardant hydraulic fluid treatment. The invention relates to an on-line state diagnosis and emergency treatment system for flame-retardant hydraulic fluid. The system comprises a state acquisition unit, a node acquisition unit, a prediction node analysis unit, a node abnormity analysis unit and an emergency processing unit. The state acquisition unit is used for acquiring the performance state of the flame-retardant hydraulic fluid and recording the historical working condition environment and the historical maintenance record of the flame-retardant hydraulic fluid; by dividing a center node and an online node, an abnormal boundary threshold matrix adaptive to different oil types is constructed, and standardized evaluation of the oil state is realized; according to the method, a CNN-LSTM mixed deep learning model is combined, time sequence correlation between spatial features of a working condition environment and maintenance records is fully excavated, short-term, medium-term and long-term prediction node sets are generated, passive monitoring is converted into active pre-judgment, fault early warning time is greatly advanced, and sufficient windows are reserved for operation and maintenance disposal.
Owner:JINING POWER OIL CO LTD

Cruise ship oil product storage system

The embodiment of the invention provides a cruise ship variable oil product storage system which comprises a cabin washing pipe, one end of the cabin washing pipe communicates with two barge-in main pipes through two sub cabin washing pipes, and the other end of the cabin washing pipe extends into a variable oil product storage cabin and is provided with a cabin washing device used for washing the cabin; one end of the sweeping pipe is respectively communicated with the two oil product barge-out main pipes through two sub sweeping pipes, and the other end of the sweeping pipe extends into the oil product storage cabin; one end of the barge pipe is respectively communicated with the two oil product barge main pipes through two sub barge pipes, and the other end of the barge pipe extends into the oil product storage cabin; one end of the barge-out pipe is respectively communicated with the two oil product barge-out main pipes through two sub barge-out pipes, and the other end of the barge-out pipe extends into the oil product storage cabin; the heating system is used for heating the oil product storage cabin when the oil product with the viscosity higher than the set viscosity is stored in the oil product storage cabin; and valves are arranged on the sub cabin washing pipe, the sub cabin sweeping pipe, the sub barge-in pipe, the sub barge-out pipe and the heating system, so that the types of oil products in the oil cabins of the cruise ship can be changed.
Owner:ZHONGCHUAN CRUISE TECH DEV CO LTD

Internal oil type oil conservator with internal exhaust function

The utility model discloses an internal oil type oil conservator with an internal exhaust function, which comprises a conservator body bottom plate, the conservator body bottom plate is used as a supporting foundation of the device, two groups of corrugated core bodies are arranged on the upper surface of the conservator body bottom plate, and each group of corrugated core bodies is provided with a group of first exhaust pipes which are arranged inside each group of corrugated core bodies. One end of the first exhaust pipe penetrates through the bottom plate of the corrugated core body and the bottom plate of the cabinet body to be communicated with the gas collection box and is used for transmitting gas, and the gas collection box is arranged below the bottom plate of the cabinet body and is used for collecting the gas from the first exhaust pipe. According to the gas collecting device, gas can be collected in time when generated, leakage and waste of the gas are avoided, meanwhile, the two first exhaust pipes gather the gas into the gas collecting box, then the gas is discharged through the second exhaust pipe in a unified mode, and the gas discharging efficiency and orderliness are improved.
Owner:河北华丰工业集团有限公司

Oil type transformer convenient for maintenance

The application relates to the field of oil type transformers, in particular to an oil type transformer convenient to maintain, which comprises a transformer, an opening and closing oil collecting mechanism, an automatic opening and closing gate, two pull-open mechanisms, a blocking mechanism and a height adjusting limiting mechanism. The oil type transformer is pushed to move the opening and closing oil collecting mechanism to be installed on the transformer, compared with a transmission mode, workers are avoided to open the automatic opening and closing gate, open the first liquid inlet pipe and the first sealing cover plate, and are avoided to remove the blocking of the second sliding groove, a large amount of time of the workers is saved, the workers do not need to climb up and down, the risk of the workers is reduced, the opening and closing oil collecting mechanism is pushed upward, a push rod pushes a triangular transmission block, a strip-shaped baffle is no longer blocked to a longitudinal heat dissipation shell, the strip-shaped baffle moves, drives a stop block to move, the stop block is no longer blocked to the clamping strip plate, and the first sealing cover plate is no longer locked.
Owner:HUAZHONG XINGYUAN ELECTRIC POWER TECH CO LTD

Method and system for dynamically adjusting and controlling pressure of transformer oil sample collection

The application belongs to the technical field of electric power robots. A transformer oil sample collection pressure dynamic adjustment control method and system are proposed. The flow characteristics are analyzed. Based on the real-time pressure and the environmental pressure difference, the oil density and the valve coefficient are combined to calculate the discharge flow. The feedforward-feedback composite control is executed. The pressure deviation is calculated and the instantaneous flow is estimated. The valve new opening degree instruction is output by using the adaptive control law containing the feedforward compensation term. The pressure mutation is actively inhibited. The multi-dimensional parameter online adaptive scheduling is implemented. The PID gain is dynamically adjusted according to the oil temperature and the oil type. The effective volume elastic modulus and the oil density are corrected. The application solves the problems of response lag and poor parameter adaptability of the traditional control, significantly improves the safety of the sampling process, and avoids the equipment damage caused by pressure impact.
Owner:STATE GRID INTELLIGENCE TECHNOLOGY CO LTD

High-water-content oil field remaining oil classification method and device, electronic equipment and storage medium

The invention discloses a high-water-content oil field remaining oil classification method and device, electronic equipment and a storage medium. The method comprises the steps of determining a first index data set of a target oil field; clustering the first index data set to obtain a remaining oil type; matching a corresponding first mining plan from a preset scheme database according to the remaining oil type, and determining a target block according to the remaining oil type; and mining the target block according to the first mining plan. According to the method, the remaining oil types are obtained by performing clustering analysis on the first data set of the target oil field, and the corresponding first mining plan is matched according to the remaining oil types, so that different remaining oil can be quantitatively classified, and the rationality of the mining plan determined according to the remaining oil types is ensured; and mining the target oil field according to the first mining plan. The mining efficiency can be improved.
Owner:PETROCHINA CO LTD

Long-service-life internal oil type metal expansion pipe oil conservator

The utility model discloses a long-service-life internal oil type metal expansion pipe oil conservator. Relates to the technical field of transformer conservators. Comprising a shell and an expansion pipe arranged in the shell, the expansion pipe is used for storing transformer oil and can stretch out and draw back in the vertical direction, the expansion pipe is communicated with a transformer through a pipeline, a movable plate is arranged at the top of the expansion pipe, a limiting rod is arranged in the shell, a transverse sliding hole is formed in the movable plate, the limiting rod is obliquely arranged, and the transverse sliding hole is communicated with the limiting rod. The limiting rod is arranged in the transverse sliding hole in a penetrating mode. A vertical sliding hole is formed in the side, close to the limiting rod, of the shell, an indicating rod is arranged on the limiting rod and located above the movable plate, and one end of the indicating rod is movably connected with the limiting rod and can move in the length direction of the limiting rod. And the other end of the indicating rod penetrates through the vertical sliding hole and extends to the outer side of the shell. The oil quantity of the transformer oil in the expansion pipe can be quickly judged by observing the length of the indicating rod on the outer side of the shell.
Owner:YANGZHOU ANSHUN ELECTRIC CO LTD

Offshore water oil concentration monitoring method based on three-dimensional fluorescence and liquid level compensation

The invention discloses an offshore water oil concentration monitoring method based on three-dimensional fluorescence and liquid level compensation. The method comprises the following steps: S1, measuring the liquid level height, the fluorescence intensity and the fluorescence spectrum of a current to-be-measured water body to obtain the real-time liquid level height, the real-time fluorescence intensity and the mixed fluorescence spectrum; s2, acquiring a correction factor under the real-time liquid level height according to a pre-calibrated correction curve, and calculating to obtain corrected fluorescence intensity by combining the real-time fluorescence intensity; s3, comparing the fluorescence spectrum in the step S1 with standard oil type spectrum data to identify the type of the mixed oil type in the water body to be detected; and S4, selecting a corresponding quantitative analysis method according to the spectrum overlapping degree of different oil types in the fluorescence spectrum so as to determine the actual concentration of the mixed oil type. According to the invention, the influence of liquid level fluctuation on light intensity is dynamically offset, and the accuracy and reliability of concentration measurement are ensured; by utilizing a three-dimensional fluorescence spectrum and a linear superposition principle, identification and accurate quantification of mixed oil types are realized.
Owner:崂山国家实验室

Oil film bidirectional reflection characteristic field measurement device and oil film thickness inversion correction method

The invention discloses an oil film bidirectional reflection characteristic on-site measurement device and an oil film thickness inversion correction method, and belongs to the technical field of image processing, and the oil film bidirectional reflection characteristic on-site measurement device comprises an experiment pool which contains an oil-water mixed sample; the annular guide rail is arranged around the experimental water tank; the camera support is arranged on the annular guide rail in a sliding mode, and a fixing base capable of rotating around a horizontal shaft and a vertical shaft is arranged at the upper end of the camera support; the hyperspectral camera is fixed on the fixed seat and is used for measuring the radiance of the experimental pool; and the irradiance meter is used for measuring the irradiance of the sunlight. The oil film bidirectional reflection characteristic on-site measurement device is simpler in structure and easy to implement, and the spectrum difference caused by different visual angles of the sensor is eliminated. And the accuracy and reliability of oil type identification and thickness inversion are greatly improved.
Owner:OCEAN UNIV OF CHINA