141 results about "Sulfur fluoride" patented technology

The invention discloses a 10KV sulfur hexafluoride switch cabinet which comprises a cabinet body, a gas box is arranged in the cabinet body, a mechanism chamber is arranged on the gas box, an electric control chamber is arranged on the mechanism chamber, an operating mechanism is arranged in the mechanism chamber, a three-phase high-voltage switch assembly is arranged in the gas box, and the three-phase high-voltage switch assembly is connected with the operating mechanism. A wire inlet sleeve and a wire outlet sleeve which are matched with each phase of high-voltage switch assembly are arranged on the gas box, the wire inlet sleeve is arranged on the gas box in an inverted mode, a first cylindrical contact is fixedly arranged in the wire inlet sleeve in a sleeved mode, copper-tungsten alloy of a spiral structure is embedded in the inner circumferential wall of the first cylindrical contact, a copper wire inlet rod is vertically inserted in the first cylindrical contact, and a wire outlet rod is arranged on the wire inlet sleeve. A heat dissipation box is arranged at the upper end of the gas box, a pressure relief device is arranged at the upper end of the heat dissipation box, the heat dissipation box and the gas box are internally communicated to form a closed cavity, the closed cavity is filled with sulfur hexafluoride gas, an inflation and measurement integrated pressure gauge is mounted on the gas box, and heat dissipation fins are paved on the outer surfaces of the gas box and the heat dissipation box. The heating value can be reduced, efficient heat dissipation is achieved, and the reliability of the switch cabinet is improved.

The invention relates to the technical field of gas detection, in particular to a sulfur hexafluoride quantitative detection system which comprises a shell and a sulfur hexafluoride sensor arranged in the shell, a gas inlet channel for injecting gas to be detected is arranged in the shell, and a centrifugal gas pump is arranged in the gas inlet channel; the sulfur hexafluoride sensor is wrapped with an elastic air bag; the air inlet is formed in the lower end of the shell; the shell is provided with an annular surface above the air inlet; the centrifugal air pump comprises a motor system; the motor system comprises a motor shell, a stator and a rotor; the stator is arranged in the motor shell; a supporting bearing used for supporting the weight of the rotor is arranged between the rotor and the motor shell, and a base used for fixing the motor and vertically placing the motor is arranged below the motor shell; the supporting bearing is a magnetic supporting bearing, the magnetic supporting bearing comprises two repellent magnets, one magnet is located at the bottom, and the other magnet is a permanent magnet which is located above the magnet and fixed to the rotor shaft. The measurement fluctuation is reduced, and the accuracy of sulfur hexafluoride detection is improved.

The invention discloses a sulfur hexafluoride leakage detection method based on cooperation of long-wave infrared and thermal infrared spectrums, the sulfur hexafluoride leakage detection method is applied to a sulfur hexafluoride leakage detection device, and the sulfur hexafluoride leakage detection method comprises the following steps: carrying out calibration and parameter configuration on the sulfur hexafluoride leakage detection device; long-wave infrared spectrum and thermal infrared temperature field data are synchronously collected, preprocessing and time-space matching are carried out on the long-wave infrared spectrum and the thermal infrared temperature field data, leakage identification parameters are obtained, the thermal infrared temperature field data are temperature values of pixel points of a temperature field image, parameter calculation and risk early warning are carried out on the leakage identification parameters, and the leakage identification result is obtained. And obtaining a detection report. According to the invention, the sensitivity and accuracy of sulfur hexafluoride leakage detection can be improved.

The utility model discloses a foldable sulfur hexafluoride inflating and vacuumizing device which comprises a foldable frame and a sulfur hexafluoride inflating and vacuumizing system arranged on the frame, the frame comprises a fixed frame at the lower part and a rotary folding frame at the upper part, and the fixed frame and the rotary folding frame are rotationally connected through a rotary assembly to realize the folding of the rotary folding frame; the fixing clamp assembly is used for fixing the rotary folding frame on the fixing frame; the sulfur hexafluoride inflating and vacuumizing system comprises a sulfur hexafluoride inflating module and a vacuumizing module which are used for inflating the air chamber of the high-voltage switch equipment, and the sulfur hexafluoride inflating and vacuumizing operation is realized. According to the foldable sulfur hexafluoride inflating and vacuumizing device, the vertical height of equipment is reduced, and the phenomenon that parts are damaged due to oil leakage of an important part vacuum pump when the equipment is horizontally placed in a carriage for transportation is avoided.

The present invention discloses a sulfur hexafluoride gas analysis and tail gas recovery system and control method. The system is provided with a first throttle valve and a negative pressure unit. Under the action of a control module, whether pressure fluctuations or airflow fluctuations occur inside a gas analyzer, the fluctuations can be smoothed by adjusting the opening of the first throttle valve and the air pressure of the negative pressure unit. Therefore, the gas analyzer can detect the target gas under stable air pressure and airflow, thereby ensuring the accuracy of the detection.

The embodiment of the invention discloses a sulfur hexafluoride online purification monitoring device, and relates to the technical field of high-voltage and ultrahigh-voltage electrics. The sulfur hexafluoride online purification monitoring device comprises a tank body, a selective permeable membrane and a purification monitoring assembly, the tank body is provided with an inner cavity, the selective permeable membrane is installed in the inner cavity and divides the inner cavity into a high-pressure side chamber and a low-pressure side chamber, the high-pressure side chamber is communicated with sulfur hexafluoride high-voltage electrical equipment, and the low-pressure side chamber is communicated with the purification monitoring assembly; sulfur hexafluoride in the sulfur hexafluoride high-voltage electrical equipment enters the high-voltage side cavity, the selective permeable membrane allows decomposition products of the sulfur hexafluoride and small air molecules to permeate into the low-voltage side cavity, the purification monitoring assembly monitors and purifies gas in the low-voltage side cavity and then discharges the gas, and the sulfur hexafluoride high-voltage electrical equipment does not need to be powered off. Therefore, the continuous operation in the operation state can be realized.

The present application relates to the technical field of gas monitoring, and is a kind of sulfur hexafluoride gas on-line monitoring system and method, specifically comprising: constructing surface adsorption kinetics equation to obtain the real-time surface adsorption amount of sulfur hexafluoride arc extinguishing decomposition product in the key components of arc extinguishing chamber;According to the thermal ablation term, the metal vapor generation rate is calculated;Establish a physical evaluation model for the influence of the surface adsorption layer in the arc extinguishing chamber on the flow field performance and heat transfer performance, and evaluate the flow field distortion factor and the thermal recovery retardation factor;Combined with the spatial position sensitive weight, the working performance degradation index of sulfur hexafluoride is predicted;According to the working performance degradation index of sulfur hexafluoride, the trigger judgment of sulfur hexafluoride monitoring alarm is carried out.The present application solves the problem that the gradual degradation of sulfur hexafluoride arc extinguishing ability cannot be accurately predicted and early warned in the prior art.

The invention discloses a sulfur hexafluoride gas density and micro-water content on-line monitoring circuit and device, and relates to the technical field of sulfur hexafluoride gas monitoring, and the circuit comprises a first antenna, a double-parameter sensing module and a single-parameter sensing module; the double-parameter sensing module and the single-parameter sensing module are connected with the first antenna. Compared with a traditional sulfur hexafluoride gas leakage monitoring mode adopting a pressure gauge or a density relay, the sulfur hexafluoride gas leakage monitoring device collects temperature data in real time while collecting the pressure of the sulfur hexafluoride gas, the influence of the temperature on the pressure can be compensated, and the monitoring precision and reliability of the density and the micro-water content of the sulfur hexafluoride gas are improved.

The invention discloses a multi-parameter cooperative monitoring method for sulfur hexafluoride insulation equipment, and relates to the technical field of equipment monitoring, original parameters are collected, and the original parameters comprise a sulfur hexafluoride concentration value, a sulfur hexafluoride density value and an original partial discharge signal; performing discharge preprocessing on the original partial discharge signal to obtain a partial discharge signal; constructing a point spread function matrix, and performing sparse reconstruction on the partial discharge signals by combining an orthogonal matching pursuit algorithm to obtain coordinates and discharge quantity of a partial discharge source; based on the sulfur hexafluoride concentration value, the sulfur hexafluoride density value, the coordinates of the partial discharge source and the discharge quantity, threshold judgment is carried out, and a grading early warning result is obtained. According to the invention, the early discovery capability and fault positioning precision of the insulation defect of the large sulfur hexafluoride insulation equipment are obviously improved, and reliable technical support is provided for equipment state evaluation and intelligent operation and maintenance.

The invention discloses a method, a system, a medium, equipment and a product for adjusting gas particulate matters of a sulfur hexafluoride gas insulated switchgear, and belongs to the technical field of adjustment of gas particulate matters of sulfur hexafluoride gas insulated switchgears. The method comprises the following steps: carrying out data preprocessing on obtained gas characteristic data of the sulfur hexafluoride gas insulated switchgear in a fixed time window to obtain preprocessed gas characteristic data, carrying out particulate matter concentration prediction by utilizing a trained gas characteristic prediction model to obtain predicted particulate matter concentration, and calculating a prediction slope; according to the obtained real-time gas flow rate and the real-time pressure of the sulfur hexafluoride gas insulated switchgear, a GPR online learning mechanism is utilized to obtain a self-adaptive particulate matter accumulation threshold value; and if the predicted slope is greater than or equal to a slope threshold value or the predicted particulate matter concentration is greater than or equal to a self-adaptive particulate matter accumulation threshold value, adjusting the gas flow rate of the sulfur hexafluoride gas insulated switchgear by using a GPR-based Bayesian optimization algorithm.

The invention discloses a sulfur hexafluoride gas cylinder inflation system, a sulfur hexafluoride gas cylinder transfer device and a sulfur hexafluoride gas cylinder transfer method.The sulfur hexafluoride gas cylinder inflation system comprises an inflation starting detection assembly, and the inflation starting detection assembly comprises an environment oxygen concentration detection part, an environment sulfur hexafluoride gas concentration detection part, an environment humidity detection part and an environment temperature detection part which are arranged on one side of a gas cylinder; the gas cylinder weight detection part is arranged at the bottom of the gas cylinder; the electromagnetic valve coil leakage current detection part is connected with the electromagnetic valve; the first gas density detection part is arranged at the outlet of the gas filling pipeline; according to the scheme, the electromagnetic valve is accurately controlled to be opened under the safety condition and the necessary inflation condition by monitoring multiple sets of environment data, gas cylinder data and data of the equipment to be inflated, the SF6 gas supplementing work quality is improved, and the safety of personnel and the equipment is guaranteed.

The utility model discloses a spectrum detection device for sulfur hexafluoride gas concentration, which relates to the technical field of sulfur hexafluoride concentration detection and comprises a device main body, a detection probe is arranged outside the device body, an adjusting assembly is arranged on one side of the detection probe, an air inlet pipe is fixedly connected to one side of the device body through an external air pump, and a drainage pipe is fixedly connected to the side, away from the air inlet pipe, of the device body. The detection probe emits laser or infrared light beams to directly penetrate through a gas area to be detected, the concentration is inverted by measuring attenuation of transmission light or reflected light, the position of the detection probe is adjusted through the adjusting assembly so as to adapt to different areas, the sulfur hexafluoride gas concentration can be rapidly inspected and detected in real time, and the practicability of equipment is improved. When leakage is found, the device is switched to a suction mode, gas is sucked into the device body through the gas inlet pipe, the concentration and decomposition products are accurately measured, the two modes can be switched according to detection targets, environmental conditions and maintenance capacity, and various requirements are met.

This application relates to the field of coal mining technology, and provides a method, device, electronic equipment, and medium for detecting air leakage in coal seam group mining faces. The method includes: determining test points in the area to be tested; determining gas collection points on the return airflow of the area to be tested; releasing sulfur hexafluoride (SF6) gas at each test point and collecting the gas at the gas collection points to obtain the test gas; wherein different test points release SF6 gas of different structural types; and determining the air leakage detection result of each test point based on the test gas. This application, by simultaneously releasing SF6 gas of different structural types at multiple test points in the area to be tested and determining the air leakage detection result of each test point based on the collected test gas, can achieve simultaneous multi-source air leakage detection, accurately determine the air leakage situation of each test point in the area to be tested, and improve the air leakage detection efficiency of coal seam group mining faces.

1. The name of the design product: portable gas collection device (full automatic). 2. The use of the design product: for sampling of sulfur hexafluoride gas of electrical equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to sulfur hexafluoride gas leakage monitoring technical field discloses a sulfur hexafluoride gas on -line leakage alarm equipment, including the main pipe body, the main pipe body is fixedly connected with the connecting pipe body, is provided with the monitoring module on the connecting pipe body, the assembly component sets up on the connecting pipe body, and the assembly component is used for assembling the monitoring module, and the assembly component includes first connecting disc, second connecting disc, first connecting block, second connecting block and limit rod, and the fixed connection between connecting pipe body and second connecting disc, the close contact between first connecting disc and second connecting disc, first connecting block symmetry sets up on first connecting disc, through limit rod, screw ring, spring and clamping groove between, in the pressing rotation of limit rod, realizes positioning, clamping, fixed effect such as, avoids the traditional fastener installation mode, leads to the installation cumbersome, and the rustification leads to the difficulty to take down, improves the installation efficiency and unloading efficiency of this device.

The application belongs to the technical field of high-purity sulfur hexafluoride preparation, and particularly relates to a method for preparing high-purity sulfur hexafluoride from sulfur recovered in a preparation process of hydrofluoric acid. The method for preparing fluorine-containing active ions through electrolysis of hydrofluoric acid can directly utilize the fluorine-containing active ions to fluorinate sulfur to generate sulfur hexafluoride gas without removing sulfur, and high-purity sulfur hexafluoride gas is prepared through rectification and purification, so that the recycling of sulfur resources is realized, the production efficiency and product purity are improved, and the energy consumption and environmental pollution are reduced.

This utility model relates to the field of switch box technology, specifically a dustproof and explosion-proof switch box for mining. It includes a box body with inlet slots on both sides. A hinged seat is fixedly connected to the front surface of the box body, and a door is hinged to the inner surface of the hinged seat. This utility model facilitates the use of a second U-shaped clamp to hold external wires, preventing the wires from coming loose due to tension when pulled. Pulling the snap-fit ​​plate upwards along the guide post positions it behind the connecting strip, allowing the door to be fixed while the wire is being held, increasing the practicality of the clamping mechanism. It also helps create a sealed environment inside the box. Sulfur hexafluoride gas has excellent insulation properties; filling the box with sulfur hexafluoride gas through a valve effectively improves the insulation performance inside the box, preventing short circuits and arcing during operation, and enhancing the explosion-proof effect and reliability of the switch box.

The present invention discloses a sulfur hexafluoride gas sampling device and a sampling test method. The device is provided with a multi-way valve and a transfer valve, which cooperate with a recovery bottle and a sampling bottle to collect residual gas in the sampling bottle and a pipeline connected to the equipment into the recovery bottle, and then the gas in the recovery bottle is discharged in an orderly manner. When the equipment is connected, the recovery bottle can purify the pipeline connected to the equipment and then sample through the sampling bottle. Therefore, the disordered emission of sulfur hexafluoride gas can be controlled, which is more environmentally friendly. The recovery bottle purifies the pipeline before sampling, and the sampled gas has higher consistency with the gas in the equipment, and the detection result is more reliable.

The invention discloses a comprehensive performance evaluation method for sulfur hexafluoride substitute gas, and belongs to the field of SF6 substitute gas research. Aiming at the problems that the existing evaluation only focuses on the insulating property, low GWP and single dimension, the method comprises the following steps: taking SF6 as a reference, obtaining the insulating property (voltage endurance capability), thermal stability (overheating fault stability), material compatibility (suitability with copper / silver / gold / epoxy resin) and biotoxicity (degree of harm to a human body) parameters of the to-be-evaluated environment-friendly insulating gas, calculating the relative value lambda i of each property, and calculating the relative value lambda i of each property; and a comprehensive parameter H is obtained through a harmonic average formula. The application potential of the gas is judged according to the following conditions: H > = 1 (completely replacing SF6), 0.5 < = H < 1 (local replacement), and H < 0.5 (difficult replacement). The method is comprehensive in evaluation, high in universality and accurate in quantification, can support environmental protection gas engineering model selection, and assists the realization of an emission reduction target in the power industry.

The invention belongs to the technical field of analysis and detection, and particularly relates to a sulfur hexafluoride isotope abundance detection method. The sulfur hexafluoride isotope abundance detection method provided by the invention comprises the following steps: detecting a to-be-detected sample by using a gas chromatograph-mass spectrometer to obtain a total ion flow chromatogram of sulfur hexafluoride; the gas chromatography test conditions are as follows: a DB-5MS capillary column is adopted, the split ratio is (20-80): 1, and the sample size is 1-10 L; the mass spectrum test conditions comprise that the voltage of a multiplier is + 300 to + 600, and the half-peak width is less than 0.6; and carrying out < 32 > SF < 5 + >, < 33 > SF < 5 + > and < 34 > SF < 5 + > ion extraction on the total ion chromatogram of sulfur hexafluoride to respectively obtain the peak area of < 32 > SF < 5 + >, the peak area of < 33 > SF < 5 + > and the peak area of < 34 > SF < 5 + >, and calculating the abundance of < 32 > SF < 5 + >, the abundance of < 33 > SF < 5 + > and the abundance of < 34 > SF < 5 + >. The detection method provided by the invention has the advantages of economical efficiency, high analysis speed and high accuracy.

A pretreatment process for an anode for an electrochemical battery cell, comprising the following steps: a) supplying an anode, b) placing the anode in the presence of sulfuryl fluoride (SO2F2) gas until a layer comprising the -F and -SO2F groups forms on the surface of the anode, c) removing the SO2F2 gas to stop the reaction between the SO2F2 and the anode material, and d) recovering the pretreated anode obtained.

Belonging to the technical field of sulfur hexafluoride gas recovery, the invention provides an automatic recovery device for sulfur hexafluoride gas, which comprises an operation table, one side of the top of the operation table is fixedly connected with a first purification box, the other side of the top of the operation table is fixedly connected with an oilless compressor, four corners of the bottom of the operation table are fixedly connected with support legs, and one side of the bottom of the operation table is fixedly connected with a support plate. A storage tank is fixedly connected to one side of the supporting plate, and a waste stripping assembly is arranged on the side, away from the oilless compressor, of the first purification box. According to an existing automatic recycling device for the sulfur hexafluoride gas, the SF6 gas directly enters the first purification box, dust and other waste in the SF6 gas are not pre-stripped, then excessive dust and other waste enter the first purification box, a solution in the first purification box needs to be exchanged in advance, and the cost is reduced. And the liquid change period of the first purification box is greatly shortened.

The invention relates to the technical field of gas monitoring, in particular to a sulfur hexafluoride gas on-line monitoring system and method.The method specifically comprises the steps that a surface adsorption kinetic equation is constructed, and the real-time surface adsorption quantity of key components in an arc extinguish chamber to sulfur hexafluoride arc extinguish decomposers is obtained; calculating a metal vapor generation rate according to a thermal ablation item; establishing a physical evaluation model of the influence of the surface adsorption layer in the arc extinguish chamber on the flow field performance and the heat conduction performance, and evaluating to obtain a flow field distortion factor and a heat recovery retardation factor; combining the spatial position sensitive weight to predict the working performance degradation index of the sulfur hexafluoride; and according to the working performance degradation index of sulfur hexafluoride, performing triggering judgment of sulfur hexafluoride monitoring alarm. The problem that in the prior art, accurate prediction and early warning cannot be carried out on progressive degradation of the arc extinguishing capacity of the sulfur hexafluoride gas is solved.

This invention relates to the field of gas monitoring technology for combined electrical appliances, and particularly to an installation device for gas monitoring of a sulfur hexafluoride (SF6) sealed combined electrical appliance. The device includes a structural assembly comprising a structural member and a monitoring member disposed on one side of the structural member. A clamping assembly includes an insert disposed on one side of the monitoring member, a rotating member disposed inside the structural member, and a clamping member disposed inside the structural member. The rotating member includes a rotating ring rotatably disposed within a mounting block and an arc-shaped protrusion disposed on the outer surface of the rotating ring. The clamping member includes a fixing ring disposed inside the mounting block, and further includes a sliding frame slidably disposed outside the fixing ring and an arc-shaped clamping plate disposed on one side of the sliding frame. This invention, through the coordinated use of the clamping assembly, including the insert disposed on one side of the monitoring member, the rotating member disposed inside the structural member, and the clamping and clamping members disposed on one side of the structural member, facilitates the quick and easy fixing of a pressure sensor to one side of the mounting plate, enabling rapid installation and disassembly.

The present invention discloses a method for preparing a C-C bond coupling product from an enol silyl ether compound and the application of SF6, belonging to the technical field of organic photochemistry. In this method, an enol silyl ether compound and sulfur hexafluoride undergo a photochemical reaction at room temperature under the action of a light source and a photocatalyst to form a C-C bond coupling product; wherein the photocatalyst is N-phenylphenothiazine (PTH); and the light source is ultraviolet light with a wavelength of 365nm. Beneficial effects: This method utilizes sulfur hexafluoride to promote C-C bond coupling, and the reaction product is a 1,4-dicarbonyl compound that can be used in the synthesis and production of hybrid compounds such as pyrrole and furan; the reaction conditions are mild, and the raw materials are simple and readily available, thus having potential application value.

The utility model discloses an SF6 and O2 two-in-one infrared detection device, and relates to the SF6 detection device technology field, the SF6 and O2 two-in-one infrared detection device comprises a pedestal, a sulfur hexafluoride sensor and an oxygen sensor, a telescopic rod is installed in front of the pedestal, a first joint is installed between the pedestal and the telescopic rod, a mounting plate is installed in front of the telescopic rod, and a second joint is installed in front of the mounting plate. A second joint is mounted between the telescopic rod and the mounting plate, a groove is formed in the edge of the rear side of the base, the four corners of the bottom of the base are each movably connected with an extending supporting foot through a damping rotating shaft, and the extending supporting feet are located in the groove; by forming bolt holes in the base, the device can be installed and used in a wall-hung mode, by additionally arranging four extension supporting legs capable of being folded and stored, the device can be placed and used in a floor mode, during the period, the angles and the positions of the installation plate, the sulfur hexafluoride sensor and the oxygen sensor can be adjusted through a first joint, a telescopic rod and a second joint, and the device is wide in applicability and convenient to use. The system can be applied to different scene requirements and is very convenient to use.

The utility model provides a vertical sulfur hexafluoride gas collecting tank structure, which relates to the technical field of gas collecting tanks, and comprises a storage tank, two threaded connection sleeves are arranged above the storage tank, two pull rings are arranged above the threaded connection sleeves, a group of positioning frames distributed in an annular array shape are arranged at the bottom of the storage tank, and the positioning frames are arranged on the storage tank. And a vertical butt joint sleeve is arranged above the storage tank. The valve and the storage tank are connected through the flange, and the locking bolt is subjected to double anti-loosening protection by matching with the anti-loosening structure, so that the sealing performance of the joint is improved, gas leakage is prevented, the anti-fatigue capability is higher, meanwhile, the valve is conveniently and quickly disassembled and replaced, the maintenance difficulty is remarkably reduced, and the problem that the valve of a traditional collection tank is generally in threaded connection and cannot be easily disassembled and replaced is solved. The sealing performance is poor; and loosening is easy to occur.

The invention discloses a sulfur hexafluoride recovery and degradation combined process for high-voltage insulation equipment, and relates to the technical field of sulfur hexafluoride recovery, and the sulfur hexafluoride recovery and degradation combined process comprises the following steps: (1) primarily recovering sulfur hexafluoride gas in a cavity of the high-voltage insulation equipment; (2) after the preliminary recovery is completed, filling air into the equipment cavity; (3) extracting the residual mixed gas of sulfur hexafluoride gas and air in the cavity, and degrading; (4) repeating the step (2) and the step (3) for one or more times, and opening the equipment for maintenance; the device breaks the situation that the lower the pressure is in the recovery process, the longer the recovery and air exhaust time is; and through a one-time or multi-time gas replacement mode, residual gas after recovery in the cavity is taken out as much as possible and degraded within limited time until emission reduction and harmlessness are achieved.

The utility model provides a sulfur hexafluoride gas leakage stoppage toolbox, and relates to the technical field of electric power equipment stoppage, the stoppage toolbox is used for placing a tool for stoppage of sulfur hexafluoride gas leakage, the stoppage toolbox is mainly composed of a box body and a box cover, the box body is rotatably connected with the box cover, that is, the box cover can rotate relative to the box body, and the box cover can rotate relative to the box body. Compared with a traditional tool box, the tool box is characterized in that a plurality of interlayers are arranged between the box body and the box cover, tool bags are arranged on the interlayers, tools used for leaking stoppage of sulfur hexafluoride gas are contained in the tool bags, and a plurality of partition plates are arranged in the box body and divide the box body into a plurality of containing cavities. The containing cavities are used for containing tools used for leaking stoppage of the sulfur hexafluoride gas, due to the fact that the tools used for leaking stoppage of the sulfur hexafluoride gas are many, the tool bags and the containing cavities are used for storing the leaking stoppage tools in a classified mode, on-site leaking stoppage work can be carried out conveniently, and leaking stoppage efficiency is improved.

This invention relates to a sulfur hexafluoride (SF6) insulated ring main unit and its power distribution system, comprising a ring main unit power distribution platform, a ring main unit information database, a ring main unit operating condition unit, a power distribution interference unit, a ring network allocation unit, a power control unit, and a power distribution management unit. This invention analyzes the power distribution stability performance of the target ring main unit from two aspects: its operating characteristics and operating parameters. It also analyzes the degree of SF6 gas interference in the target ring main unit to improve its operational stability and continuity. Furthermore, it conducts a risk analysis of the ring network allocation performance based on the operating condition information of the target ring main unit through information feedback, thereby improving the safety and reliability of its power distribution performance. Finally, it performs a power adjustment demand assessment analysis on the power management data to adjust the load allocation scheme of the target ring main unit based on the information feedback, improving the rational allocation of power resources and the operating efficiency of the power grid.