94 results about "Sulfur fluoride" patented technology

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 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 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 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.

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 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.

The utility model discloses a conductive bus connector for short circuit of a sulfur hexafluoride gas insulated switchgear, which belongs to the electrical field and comprises a plurality of clamping plates arranged on a bottom plate, clamping cavities used for clamping bus ends are formed between the adjacent clamping plates, and conductive sheets are arranged in the clamping cavities. The clamping plate is locked and fixed through a mounting bolt on the mounting plate, a connecting assembly is arranged in the middle of the clamping plate, a pressing mechanism used for improving the stability and heat dissipation of the bus end is arranged at the top of the clamping plate, the pressing mechanism comprises a cover plate arranged above the clamping plate through a connecting plate, and a buffer assembly is arranged on the cover plate. The buffering assembly comprises a pressing plate arranged below the cover plate through a connecting rod. According to the conductive bus connector for short circuit of the sulfur hexafluoride gas insulated switchgear, impact and vibration generated in the connection process of the bus end can be effectively absorbed and dispersed through the pressing mechanism, so that tight connection between the bus end and the connector is ensured, and the overall stability is improved.

The invention discloses a sulfur hexafluoride gas density relay, and relates to the technical field of relays. The sulfur hexafluoride gas density relay comprises a mechanical assembly, and a base, a Bourdon tube, an end seat, a U-shaped bimetal temperature compensation plate, an operation arm, a microswitch and an anti-vibration corrugated pipe assembly are arranged in a first shell of the mechanical assembly. The Bourdon tube is hermetically connected with the base and the end seat, the bimetal temperature compensating plate is connected with the end seat and the operating arm, and the operating arm is provided with an adjusting screw for triggering the microswitch. The bottom end of the anti-vibration corrugated pipe assembly is connected with the base, a corrugated pipe closed cavity of the anti-vibration corrugated pipe assembly is communicated with the Bourdon pipe, and a gap is formed between the top end and the bottom face of the operation arm. And the interval width is smaller than the moving distance of the operating arm required when the alarm is triggered. Through the communication design, the Bourdon tube and the anti-vibration corrugated pipe assembly act synchronously, the interval is kept constant, false alarm caused by vibration is effectively restrained, and the density monitoring accuracy and the working stability are improved.

The invention relates to a calibration system of sulfur hexafluoride gas recovery equipment. The detection device comprises a detection container and a sulfur hexafluoride sensor communicated with the detection container through a first pipeline, an inlet of the detection container is communicated with the sampling port, an outlet of the sulfur hexafluoride sensor is connected with a first flow control valve, and an outlet of the first flow control valve is communicated with an inlet of the processing module; the zero-gas cleaning device is communicated with the detection container and is used for adding quantitative nitrogen into the detection container to carry out zero-gas cleaning; the gas supplementing device comprises a sulfur hexafluoride storage tank with set concentration, a gas supplementing pump and a second flow control valve, an inlet of the gas supplementing pump is communicated with the sulfur hexafluoride storage tank, and an outlet of the gas supplementing pump is communicated with the carbon steel storage tank through the second flow control valve. According to the device, detected gas can be guided into recovery equipment to be recovered, zero-gas cleaning can be carried out on a system pipeline of the detection device, cleaning mixed gas can be recycled, and it can be ensured that the concentration of sulfur hexafluoride gas in a carbon steel storage tank is kept unchanged.

The invention provides a sulfur hexafluoride gas connector box and sulfur hexafluoride gas conveying equipment, and belongs to the field of electrical equipment.The sulfur hexafluoride gas connector box comprises a box body, a quick connector, a purging assembly and an inflation pipeline, the quick connector, the purging assembly and the inflation pipeline are arranged in the box body, and a first Bluetooth module is arranged on the inner wall of the box body; each quick connector is used for being connected with a sulfur hexafluoride conveying pipeline; the purging assembly comprises a purging pipeline and an electric control air pump communicated with the purging pipeline, the purging pipeline and the electric control air pump are both arranged in the box body, the purging pipeline is connected with a plurality of air nozzles in series, and a nozzle of each air nozzle faces each quick connector; one end of the gas filling pipeline is detachably connected with each quick connector, the other end of the gas filling pipeline is used for outputting sulfur hexafluoride gas, the gas filling pipeline is provided with a second Bluetooth module, and the first Bluetooth module and the second Bluetooth module are in communication connection with the electric control gas pump. The technical problems that dust is prone to being accumulated on an existing connector, and a used inflation pipeline is placed at will by a worker are solved.

The invention discloses a preparation method of a molybdenum-based composite material and application of the molybdenum-based composite material in photocatalytic degradation of sulfur hexafluoride, and relates to the technical field of materials.The preparation method comprises the following steps that 1, melamine and ammonium molybdate are weighed, the molar ratio of the melamine to the ammonium molybdate is (10-50): 1, and the melamine and the ammonium molybdate are evenly ground; and (2) in a reducing atmosphere, carrying out high-temperature calcination on the mixture, and naturally cooling to obtain the molybdenum-based composite material, the molybdenum-based composite catalytic material prepared by the preparation method disclosed by the invention has excellent degradation capability on sulfur hexafluoride.

The utility model relates to the field of electrical equipment, and particularly discloses a sulfur hexafluoride load switch mounting structure. The load switch mounting structure comprises a cabinet body, a mounting plate fixedly mounted in the cabinet body and a switch shell mounted on the inner side of the mounting plate, the switch shell comprises an upper shell and a lower shell, the mounting plate is provided with a mounting groove for mounting the lower shell, and the upper shell is fixedly mounted on the upper side of the lower shell. Limiting pieces used for limiting the lower shell are installed at the two ends of the installation plate, a positioning piece used for fixing the lower shell is installed at the other end of the installation plate, and a driving piece used for driving a main shaft on the inner side of the lower shell is fixedly installed on one side of the cabinet body. According to the invention, through the limiting member and the positioning member, rapid limiting and limiting releasing operation of the lower housing can be realized, so that an operator can mount and dismount the load switch more conveniently, and tedious operation of tightening or loosening bolts one by one can be avoided, thereby improving the mounting and dismounting efficiency of the load switch.

The invention provides a solid electrolyte which is characterized in that the solid electrolyte comprises a fluorinated sulfide solid electrolyte and a fluorinated layer at least partially covering the surface of the fluorinated sulfide solid electrolyte, the chemical formula of the fluorinated sulfide solid electrolyte is Li7-xPS6-xClxFy, x is greater than or equal to 1 and less than or equal to 1.6, y is greater than 0 and less than 1, and y is used for representing the doping amount of fluorine. The solid-state electrolyte provided by the invention has the fluorine-doped fluorinated sulfide solid-state electrolyte, so that the bulk phase property of the sulfide solid-state electrolyte can be effectively improved, and the ionic conductivity of the fluorinated sulfide solid-state electrolyte is improved; through synergistic cooperation of the fluorinated sulfide solid-state electrolyte and the surface fluorinated layer, a positive electrode electrolyte interface can be formed on the surface of the fluorinated sulfide solid-state electrolyte, direct contact between an electrode and the electrolyte can be effectively isolated, oxidation of the fluorinated sulfide solid-state electrolyte is prevented, and the fluorinated layer can promote uniform deposition of lithium ions, so that the service life of the lithium ion battery is prolonged. The dendritic crystal growth is inhibited.

The invention belongs to the technical field of intelligent operation and maintenance and state maintenance of high-voltage electrical equipment, and particularly relates to an intelligent management and control system for long-distance electrified gas supplement of sulfur hexafluoride gas electrical equipment. The system is composed of three parts, namely an air supply intelligent management and control device, a visual monitoring unit 200 and intelligent management and control software running on the device and a terminal, the intelligent gas supply control device comprises a pressure detection module and a gas supply execution unit which are connected with the sulfur hexafluoride gas electrical equipment through pipelines; the air supply execution unit comprises an electric pressure reducing valve used for accurately adjusting output pressure, an electromagnetic valve, an air flow sensor used for metering air supply flow and a pressure detection module used for collecting air supply source outlet pressure P1, air supply source outlet pressure P2 obtained after pressure reduction through the electric pressure reducing valve and equipment internal pressure P3 for detection. The invention discloses a check valve for preventing gas backflow.