535 results about "Sulfur hexafluoride" patented technology

The invention relates to the technical field of optics, in particular to a gas concentration regulation and control interference imaging system applied to shape righting of a nozzle handle, a shape righting tool and a nozzle are prepared, the shape righting tool is provided with a downward pressing mechanism, the downward pressing mechanism is provided with a downward pressing telescopic column for correcting the nozzle handle, and a displacement measurement interferometer system is assembled on the shape righting tool; the displacement measurement interferometer system is provided with a reflecting movable mirror and a beam splitter, and the reflecting movable mirror is mounted on the pressing telescopic column; the displacement measurement interferometer system further comprises an interference light path stroke difference fine tuning system. The interference light path stroke difference fine adjustment system comprises a glass container for containing sulfur hexafluoride, the end faces of the two ends of the glass container are flat and transparent, the glass container is arranged on a light path between the beam splitter and the reflective moving mirror, and the end faces of the two ends of the glass container are perpendicular to laser on the light path; the glass container is provided with an air supply port; the air supply port is connected to an air pump, and the air pump is connected with a sulfur hexafluoride air source. And the shape correcting position of the nozzle handle is accurately controlled.

The invention relates to the technical field of sulfur hexafluoride gas thermocatalytic conversion, and discloses a supported catalyst for SF6 thermocatalytic conversion and a preparation method thereof, and the preparation method comprises the following steps: titanium dioxide is supported on the surface of SiC in a nanoscale particle form, and the mass ratio of titanium dioxide to silicon carbide is 1: 5. The catalyst and the preparation method provide possibility for harmless treatment of SF6 under milder conditions, and the provided preparation method has the advantages of high loading efficiency, simple preparation device, reduction of the preparation cost, increase of the effective reaction area of the catalyst, and good application potential and popularization prospect.

The invention relates to a pressure-sensitive material and an insulating gas leakage identification method based on the pressure-sensitive material, and the visual identification method comprises the following steps: a pressure-sensitive material is applied to the surface of inflation equipment using insulating gas (sulfur hexafluoride or a sulfur hexafluoride mixture), and the pressure-sensitive material has set toughness and ductility and changes color after deformation; when the pressure sensitive material bulges from the surface of the inflation equipment and changes color, leakage of the insulating gas is visually found, and treatment is carried out immediately. The pressure-sensitive material comprises the following components: an adhesive material, a foaming material, a piezochromic material and a forming agent, the mass ratio of the adhesive material is 70%-80%; the mass ratio of the pressure color-changing material is 8-12%; the foaming material is not less than 5% of the total mass. The leakage point can be found timely and visually, sulfur hexafluoride can be prevented from leaking into the atmosphere, and the situation that greenhouse effect gas sulfur hexafluoride is discharged into the atmosphere to cause harm to the environment is avoided.

The invention discloses a sulfur hexafluoride gas purifying and filtering device, belongs to the technical field of sulfur hexafluoride gas filtering, and aims to solve the problems that the impact force of gas input into a tank body is relatively strong, the filtering efficiency and the filtering effect are relatively poor, and water in gas needs to be transferred to other equipment for treatment when being separated. A filtering mechanism for conveniently filtering gas is arranged in the gas filtering tank, and a water removal mechanism for conveniently separating water contained in the gas is arranged in the gas filtering tank. According to the sulfur hexafluoride gas purifying and filtering device, the air bellow is connected to the inner end of the air inlet pipe arranged above the filtering mechanism, the hedging air pipes are arranged on the two sides of the air bellow, and the air outlet ends of the hedging air pipes are oppositely arranged; therefore, speed reduction of the high-speed gas is achieved through hedging.

The sulfur hexafluoride insulation ring main unit comprises a ring main unit power distribution platform, a ring main unit information base, a ring main unit working condition unit, a power distribution interference unit, a ring network distribution unit, a power regulation and control unit and a power distribution management unit. According to the method, power distribution stability performance analysis is carried out from two points of working characteristics and working parameters of the target ring main unit, and analysis is carried out in combination with the sulfur hexafluoride gas interference degree of the target ring main unit, so that the working stability and continuity of the target ring main unit are improved; ring network distribution working performance risk analysis is carried out on the working condition information of the target ring main unit in an information feedback mode, so that the safety and reliability of the power distribution performance of the target ring main unit are improved, and electric power adjustment demand evaluation analysis is carried out on the electric energy management data. Therefore, the load distribution scheme of the target ring main unit is adjusted according to the information feedback condition, and the reasonable distribution of power resources and the operation efficiency of a power grid are improved.

The invention relates to the technical field of switch devices, in particular to a sulfur hexafluoride insulating ring main unit with a test head, which comprises a connecting cabinet fixedly connected to a cabinet body, the connector A is fixedly connected in the connecting cabinet; the mounting plate is fixedly connected in the cabinet body; the connector B is fixedly connected to the cabinet body; the mounting frame is fixedly connected to the mounting plate; the contact A is fixedly connected to the mounting frame; the test cabinet is fixedly connected to the cabinet body; the testing head is fixedly connected to the mounting plate; the contact B is fixedly connected to the mounting frame; the transverse frame is fixedly connected to the mounting plate; the tool apron is fixedly connected to the transverse frame; and the isolation knife is rotationally connected to the knife holder. According to the invention, the test cabinet is arranged inside, and the isolation knife is rotated to realize rapid switch-on and switch-off switching, so that the conventional test of the cable can be carried out without dismounting the cable head, the cable head does not need to be frequently plugged, the loss of related parts is reduced, and the stability of the whole power system is ensured.

The invention relates to the technical field of gas detection, and discloses a high-sensitivity sulfur hexafluoride detection method and a high-sensitivity sulfur hexafluoride detection system based on cooperation of a long-wave infrared absorption spectrum and a thermal infrared spectrum, which are used for solving the problem that water vapor in a detection area affects a sulfur hexafluoride detection result during sulfur hexafluoride detection. The method comprises the following steps: acquiring long-wave infrared absorption spectrum data and environment abnormal data, acquiring an infrared radiation space distribution diagram of a to-be-detected area, acquiring environment humidity and dew point temperature, obtaining initial detection concentration of sulfur hexafluoride according to the long-wave infrared absorption spectrum data, and calculating the concentration of sulfur hexafluoride according to the environment abnormal data, the environment humidity and the dew point temperature. The method comprises the following steps: acquiring an environmental water vapor influence index through evaluation, performing water vapor interference judgment, and if judging that water vapor interference exists in a current detection environment, correcting an initial detection concentration according to the environmental water vapor influence index to obtain an actual detection concentration, thereby effectively improving the accuracy of a sulfur hexafluoride detection result and reducing the problems of missing detection and false detection.

The invention relates to the technical field of data processing, and discloses an intelligent arrangement, storage, tracking, management and control method and system for sulfur hexafluoride gas cylinders. The method comprises the following steps: performing leakage risk assessment through a sulfur hexafluoride concentration sensor and a gas cylinder pressure monitoring device to obtain an environmental risk data set; performing multi-dimensional state sensing on the gas cylinder according to the intelligent label and the inclination angle sensor to obtain a dynamic state information set of the gas cylinder; performing path optimization through a multi-target search algorithm to obtain a multi-target path cost matrix; performing Pareto optimal solution screening through a leading edge set maintenance mechanism to obtain an optimal scheduling path set; and tracking the life cycle of the gas cylinder based on the state machine model to obtain full life cycle tracking data. The problems of intelligent scheduling optimization and full-life-cycle tracking management and control under the multi-target constraint condition in sulfur hexafluoride gas cylinder storage management are solved.

The invention discloses a micropore-rich carbon adsorbent and application thereof in separation of mixed gas of sulfur hexafluoride and nitrogen, and the micropore-rich carbon adsorbent is prepared by taking cellulose acetate as a precursor, performing low-temperature pre-carbonization treatment in an inert atmosphere, mixing with KOH, performing high-temperature activation in the inert atmosphere, and finally washing and drying. The carbon adsorbent prepared by a unique two-step method of low-temperature pre-carbonization and high-temperature activation has an extremely high specific surface area (1100-1700m < 2 > / g) and a pore channel structure mainly comprising micropores (the pore diameter is concentrated in 0.5-0.8 nm). The adsorbent shows ultrahigh adsorption capacity (the adsorption capacity can reach 2.83 mmol / g at the temperature of 25 DEG C and the pressure of 0.1 bar) on SF6. The carbon adsorbent disclosed by the invention is simple in preparation method, low in raw material cost and environment-friendly, and has a wide application prospect in the field of SF6 recovery and purification.

The invention relates to a sulfur hexafluoride monitoring system and a carbon neutralization data processing method based on artificial intelligence, and belongs to the technical field of power grid artificial intelligence. The system comprises a sulfur hexafluoride gas cylinder, a controller, a sulfur hexafluoride density monitor, an auxiliary sulfur hexafluoride gas cylinder, a gas pump and a recovery gas cylinder, the sulfur hexafluoride gas cylinder is connected with the controller through a main pipeline; a main valve is arranged between the sulfur hexafluoride gas cylinder and the main pipeline; a control valve is arranged between the controller and the main pipeline; the controller is connected with the auxiliary sulfur hexafluoride gas cylinder through an auxiliary pipeline; an auxiliary valve is arranged between the auxiliary sulfur hexafluoride gas cylinder and the auxiliary pipeline; and the sulfur hexafluoride density monitor is communicated with the main pipeline through a debugging pipeline. The problem that sulfur hexafluoride gas emission is lack of supervision in the maintenance, construction or debugging process of the sulfur hexafluoride equipment of the GIS equipment transformer substation is solved, and greenhouse gas emission reduction and carbon neutralization monitoring level improvement of power grid enterprises are promoted.

The invention relates to the technical field of welding, in particular to an optical detection system for gas components in a stabilizer welding tool, a welding tool box and a gas adding system are prepared, and an upper plate of the welding tool box is provided with an operation window; the welding tool box is provided with a glass window; the gas component detection system comprises a beam splitter and a movable reflecting mirror, and a light path between the beam splitter and the movable reflecting mirror penetrates through the glass window; a metal net cylinder is arranged between the opposite glass windows of the welding tool box; a light path penetrates through the hollow part of the metal net cylinder; the gas component detection system further comprises an interference path stroke difference adjusting system; the interference path stroke difference adjusting system comprises a glass container, and the glass container is arranged on a light path between the beam splitter and the movable reflector; the interference path stroke difference adjusting system further comprises an air pump, and the air pump is connected with a sulfur hexafluoride gas source. Therefore, the stability of argon in the welding tool box is ensured, and the welding quality of the stabilizer is improved.

The invention relates to the technical field of sulfur hexafluoride degradation, in particular to a method and system for degrading sulfur hexafluoride based on tandem catalysis, and the method comprises the following steps: decomposing SF6 gas through a first treatment process; the decomposed gas is treated through alkali liquor treatment; and treating the gas treated by the alkali liquor through a second treatment process. After the gas after the second treatment process passes through a tail gas absorption tank, most of sulfur-containing and fluorine-containing gas is absorbed, and finally, mixed gas discharged from the tail gas absorption tank is harmless gas such as carrier gas, N2 and the like and can be directly discharged into the atmosphere, so that complete harmless degradation and emission of the SF6 waste gas are realized.

This invention relates to a sampling device and method for sulfur hexafluoride (SF6) and its mixed gases used in electrical equipment. The sampling device includes an equipment connection module, a sampling module, a gas filling module, and a vacuuming module. The equipment connection module, used to connect the electrical equipment and the gas sampler, consists of an equipment connection valve, a diaphragm pump, and corresponding pipelines. The sampling module, used for gas buffering, consists of a sampling cylinder, a pressure detection unit, a sampling valve, a gas filling valve, a tail gas valve, and corresponding pipelines. The gas filling module, used to fill the sampling container, consists of a booster pump, a sampling container connection valve, and corresponding pipelines. The vacuuming module, used for vacuuming and tail gas collection, consists of a vacuum pump, a tail gas collection device, and its connection valves. The sampling method utilizes appropriate flushing and vacuuming methods when the gas pressure is higher or lower than 0.2 MPa. This sampling device and method can improve the accuracy of sampling sulfur hexafluoride gas or sulfur hexafluoride mixed insulating gases.

The invention discloses a spring operating mechanism for a medium-voltage sulfur hexafluoride circuit breaker, and belongs to the technical field of circuit breakers, and the spring operating mechanism comprises a frame, an energy storage assembly, a main shaft assembly, a closing assembly, an energy storage indication assembly, a manual opening and closing assembly, an emergency opening assembly, a closing locking assembly and an interlocking assembly. According to the spring operating mechanism, closing and opening operation of the contact of the medium-voltage sulfur hexafluoride circuit breaker is achieved through rotation of the mechanism output connecting lever, the spring operating mechanism has the advantages of being integrated in design, high in reliability, low in machining requirement, easy to assemble, controllable in cost and high in response speed, the energy storage state is displayed through the energy storage indication assembly, and the operation efficiency is improved. Opening and closing states are displayed through the opening and closing indication board, and display is visual; moreover, the emergency opening operation is realized through the emergency opening assembly, the closing and locking operation is realized through the closing and locking assembly, and the interlocking operation is realized through the interlocking assembly, thereby improving the safety.

The invention relates to the technical field of transformer substation sulfur hexafluoride monitoring, in particular to a sulfur hexafluoride monitoring system for a transformer substation, which comprises a detection module, a signal processing unit, a communication interface module, an alarm device and a power management module. The detection module is integrated with various sensors, so that the concentration of sulfur hexafluoride and environmental parameters can be acquired at high precision; the signal processing unit has the functions of data normalization, abnormal value elimination, leakage positioning and trend prediction; the communication interface module supports multi-mode wireless transmission and data encryption; the alarm device provides multi-stage alarm signals; and the power management module adopts a dual-power-supply framework and is integrated with a protection circuit. The system improves the complex environment adaptability through the modular design, has the characteristics of high sensitivity, strong data processing capability and rapid maintenance, and is suitable for real-time monitoring and safety management of sulfur hexafluoride in a transformer substation and other scenes.

The invention relates to a post-outgassing environment-friendly gas-insulated switchboard, and relates to the technical field of gas-insulated switchboards, the post-outgassing environment-friendly gas-insulated switchboard comprises a gas-insulated switchboard main body, a cable chamber, a gas-insulated chamber, a reaction mechanism, a cooling mechanism and an absorption assembly, the cable chamber, the gas-insulated chamber, the cooling mechanism and the absorption assembly are all arranged on the gas-insulated switchboard main body, the reaction mechanism comprises a gas suction assembly, and the gas suction assembly is arranged on the gas-insulated switchboard main body. The air suction assembly comprises a heat gathering cylinder, a heat gathering ring, an expansion air bag, an air bag bottom plate, a fixing plate, a heat insulation plate and a catalyst column, the fixing plate is arranged on the inflatable cabinet body, the heat gathering cylinder is arranged on the fixing plate, the heat gathering ring is arranged on the heat gathering cylinder, and the expansion air bag is arranged at the end, away from the heat gathering cylinder, of the fixing plate; the air bag bottom plate is arranged at the end, away from the fixing plate, of the expansion air bag, the heat insulation plate is arranged on the fixing plate, and the catalyst column is arranged at the end, close to the expansion air bag, of the air bag bottom plate.

A coated optical component includes an optical component and a conformal coating. The optical component is crystalline calcium fluoride and the conformal coating is an atomic layer deposition (ALD) coating in contact with a surface of the optical component. The ALD coating includes a metal fluoride ALD coating having a metal different from calcium. The ALD coating can include other metal oxide or metalloid oxide ALD coating layers. The method for making the coated optical component includes depositing an atomic layer deposition (ALD) coating on a surface of the optical component, where the ALD coating can be a metalloid oxide, a metal oxide, a metal fluoride having a metal that is different from calcium, or combinations of these. Sulfur hexafluoride is used as a fluorine source in the ALD process.

The invention discloses a titanium carbide-based catalytic material capable of degrading sulfur hexafluoride in an air atmosphere and a preparation method and application thereof, the catalytic material takes titanium carbide as an active site center and silicon carbide as a carrier, and the active site center is dispersed on the carrier; the mass of the titanium carbide accounts for 10-20% of the mass of the catalytic material. The TiC-based catalytic material disclosed by the invention can be prepared through a simple physical grinding method by taking TiC as an active site center and silicon carbide as a carrier, and is free from sintering, simple in process, low in processing cost and suitable for large-scale production. The catalytic material disclosed by the invention can degrade sulfur hexafluoride in an air atmosphere, is different from a conventional technology which needs to degrade in a nitrogen or argon protective atmosphere, is very in line with practical situations, and has huge practical potential.

The invention relates to the technical field of gas leakage monitoring, and discloses a sulfur hexafluoride gas leakage monitoring system based on Internet of Things, comprising: a sulfur hexafluoride acquisition module for acquiring sulfur hexafluoride gas concentration data in real time; the oxygen content monitoring module is used for monitoring the oxygen content in the environment in real time; the Internet of Things communication module is used for transmitting the detected data to a monitoring center in real time; the monitoring center is used for receiving the data and realizing real-time monitoring on the leakage condition of the sulfur hexafluoride gas; the alarm module is used for giving an alarm when the gas concentration reaches a threshold value and realizing a sound-light alarm function through an alarm device; the fan control module is used for starting a fan to discharge gas after receiving the alarm signal so as to realize automatic ventilation; and the voice prompt module is used for reminding field personnel to pay attention to safety. Through intelligent monitoring and linkage control, the safety risk caused by gas leakage is reduced, and the safety of personnel and equipment is protected.

The invention belongs to the technical field of sodium ion battery positive electrode materials, and relates to a gas-liquid mixture source plasma constructed high-capacity interface dual-modified sodium ferric pyrophosphate composite positive electrode material and a preparation method and application thereof. The preparation method comprises the following steps: taking sodium ferric phosphate pyrophosphate as a matrix, taking sulfur hexafluoride as a gas source, introducing a liquid source, and carrying out fluorine and sulfur element synergistic doping modification and surface carbon layer coating on sodium ferric phosphate pyrophosphate by utilizing a plasma technology to obtain the sodium ferric phosphate pyrophosphate composite positive electrode material. The composite positive electrode material shows excellent sodium storage cycle stability and rate capability, and has a wide market application prospect. Meanwhile, the preparation method provided by the invention is simple, rapid, efficient and convenient, is easy to control, and contributes to promoting the development and application of the high-performance sodium-ion battery positive electrode material.

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 belongs to the technical field of metallurgy, and relates to a complex gold concentrate multi-element comprehensive recovery method which comprises the following steps: S1, complex gold concentrate and auxiliary materials are subjected to bottom blowing smelting in an oxygen-enriched air atmosphere to obtain matte, bottom slag and flue gas; s2, copper matte and auxiliary materials are subjected to top-blowing converting in the air atmosphere, and crude copper, flue gas and converting slag are obtained; and S3, the crude copper and carbonate are refined in the air atmosphere, after refining is finished, sulfur hexafluoride gas is introduced for a reaction in the air atmosphere, methane gas is introduced for reduction in the inert atmosphere after the reaction is finished, and the copper anode plate is obtained. According to the method, arsenic, antimony and bismuth in the crude copper are removed through two-step oxidation and impurity removal, and the phenomenon that arsenic, antimony and bismuth elements in the complex gold concentrate are enriched in the copper anode plate along with smelting and refining, and consequently the copper anode plate is passivated in the subsequent electrolysis process is avoided; and the recovery method is simple in process and high in recovery rate.

The invention discloses a GIS equipment SF6 micro-water density lightweight online monitoring method based on double threshold triggering, and relates to the field of power equipment.The method comprises the steps that on the basis of a fusion mechanism of nonlinear drift characteristics and historical calibration parameters, sensor coefficients are calibrated; synchronously acquiring partial discharge and sulfur hexafluoride micro-water signals through a sensor; the method comprises the following steps: pre-screening abnormal data segments in partial discharge and sulfur hexafluoride micro-water signals through double thresholds of amplitude and time, and extracting alignment time marks and frequency domain energy, pulse density and micro-water slope features to obtain normalized features; inputting the normalized features into a classifier, and outputting the fault type and confidence of the gas insulated switchgear; and generating a maintenance and replacement instruction of the gas insulated switchgear according to the fault type and the confidence coefficient. According to the invention, through fusion of the high-precision capacitive humidity sensing network and the intelligent diagnosis algorithm, real-time sensing and risk early warning of the health state of the air chamber are realized.

The invention discloses a fault diagnosis method for a gas-insulated metal-enclosed switchgear, and particularly relates to the technical field of fault diagnosis. Abnormal hot area distribution and structural deformation characteristics of equipment are analyzed through infrared thermal imaging data and visible light image data, an image analysis result is generated, whether gas leakage exists in the equipment or not is judged based on sulfur hexafluoride gas density data, and a gas analysis result is output; judging whether the equipment has abnormal vibration based on the vibration signal data, and outputting a vibration analysis result; based on an image analysis result and a gas and vibration analysis result, establishing a fault association relationship, generating a comprehensive diagnosis result, and determining a fault type and a risk level; in combination with a control rule base, a control signal or an operation and maintenance execution instruction is generated, and cross-modal synchronous diagnosis and accuracy and response real-time performance of fault diagnosis of the gas-insulated metal-enclosed switchgear are realized.

The invention relates to the technical field of sulfur hexafluoride degradation, in particular to a device and method for degrading sulfur hexafluoride through photo-thermal combined cooperation with 304 stainless steel, and the device comprises a ventilation assembly which comprises a gas mixing part and a control part, and the control part is arranged on the gas mixing part; the degradation assembly comprises a heating piece, an irradiation piece and a container piece, the heating piece is arranged on the gas mixing piece, the irradiation piece is arranged on the heating piece, and the container piece is arranged on the heating piece; the cooling and exhausting assembly comprises a cooling piece and a tail gas piece, the cooling piece is arranged on the heating piece, the tail gas piece is arranged on the cooling piece, high-concentration SF6 degradation can be achieved, the degradation efficiency is high, and the degradation rate is high; the content of degraded components can be visually displayed, and data investigation is very convenient; in the process of degrading SF6, even in a high-temperature environment, experimental equipment is not damaged.

The invention discloses an automatic heating device for preventing a sealing gasket of sulfur hexafluoride electrical equipment from cracking at low temperature, which relates to the technical field of insulating gas electrical equipment heating and comprises a temperature sensor, a heat tracing band, a heat insulation film, a heating controller and a temperature data collector. The flange joint of the sulfur hexafluoride electrical equipment is wrapped with a heat insulation film and a heat tracing band, a temperature sensor is arranged in an inner cavity of the automatic heating device, the heat tracing band is electrically connected with a heating controller, the temperature sensor is connected with a temperature controller, and the heating controller and the temperature controller are controlled by a heating temperature control automatic controller; the connecting flange part of the sulfur hexafluoride electrical equipment is wrapped by the automatic heating device, and the heating and temperature control process is automatically operated, so that the low-temperature cracking of a sealing gasket at the flange of the sulfur hexafluoride electrical equipment is avoided, the gas leakage phenomenon in the sulfur hexafluoride electrical equipment is avoided, the potential safety hazard of the equipment is eliminated, and the safety of the equipment is improved. And workers only need to inspect regularly, so that the workload of the workers is greatly reduced.

The invention provides an SF6 gas monitoring data analysis system and method and a computer storage medium. The SF6 gas monitoring data analysis system comprises edge computing equipment and n SF6 micro-water density sensors arranged at n preset positions of power equipment, the n SF6 micro-water density sensors acquire sensor data of n preset positions in a preset time period to obtain n groups of sensor data sets, and the n groups of sensor data sets are transmitted to the edge computing device; each sensor data set comprises a plurality of sensor data; the edge computing device determines n abnormal fitting straight lines at preset positions according to the n groups of sensor data sets to obtain n abnormal fitting straight lines; determining n abnormal moments according to the n abnormal fitting straight lines, wherein an abnormal degree value corresponding to each abnormal moment is a preset value; and performing early warning processing operation according to the n abnormal moments. By adopting the embodiment of the invention, the sulfur hexafluoride gas leakage monitoring intelligence can be improved.

The invention discloses a photocatalytic and electrochemical coupled sulfur hexafluoride degradation device, and relates to the technical field, the photocatalytic and electrochemical coupled sulfur hexafluoride degradation device comprises an electrochemical assembly and a photochemical assembly, the electrochemical assembly comprises a power supply, a cathode piece, an anode piece, a first container and a second container, and the cathode piece and the anode piece are respectively located in the first container and the second container and are connected with the power supply; and the first container is communicated with the second container. The photochemical assembly comprises a photoreaction container, a photocatalyst and a light source, a photoreaction cavity is formed in the photoreaction container, an outlet of the photoreaction cavity is communicated with the first container, the light source and the photocatalyst are both located in the photoreaction cavity, and ultraviolet light emitted by the light source can perform photoreaction degradation on sulfur hexafluoride entering the photoreaction cavity under catalysis of the photocatalyst. Sulfur hexafluoride is degraded for multiple times through the electrochemical assembly and the photochemical assembly, and the pollution degree of finally degraded and discharged gas is low.

The invention belongs to the technical field of power distribution boxes, and particularly relates to a suspension type anti-creeping intelligent power distribution box and a using method thereof.The suspension type anti-creeping intelligent power distribution box comprises a cabinet body, a cabinet door and electrical elements arranged in the cabinet body, suspension feet are fixedly arranged on the two sides of the top and the two sides of the bottom of the cabinet body, and the suspension type anti-creeping intelligent power distribution box further comprises a hollow air suction plate fixedly arranged on the outer side face of the cabinet door; and a plurality of air suction cavities which are uniformly distributed are formed in the cabinet door. The temperature is accurately monitored through the thermistor, heat dissipation is intelligently regulated and controlled in combination with the gas flow adjusting mechanism, and efficient heat dissipation and energy saving are achieved; meanwhile, if the temperature of a local circuit is sharply increased, cooling can be quickly responded, the electric leakage condition is effectively avoided, and maintenance is reminded; in addition, the sulfur hexafluoride gas injection mechanism can be used for emergently cooling, so that faults are restrained; in addition, the exhausted hot air can ensure that the suspension legs are stable in a low-temperature environment, and the safety, the stability and the economical efficiency of the distribution box are integrally improved.

The invention discloses a sulfur hexafluoride non-dispersive infrared spectrum detection device which comprises a shell, a sample gas chamber is arranged in the shell, an infrared source is arranged on one side of the sample gas chamber, light holes are formed in the two sides of the sample gas chamber at equal intervals, and infrared detectors are arranged on the side, away from the infrared source, of the sample gas chamber at equal intervals. The invention relates to the technical field of gas detection, through the cooperation of the shell, the sample gas chamber, the infrared source, the light hole, the wavelength filter, the infrared detector, the gas guide structure, the sealing structure and the gas supply monitoring assembly, the sealing structure is used for sealing the light hole of the sample gas chamber and filtering the sample gas, so that dust and other impurities are prevented from being sucked into the sample gas chamber, and the detection efficiency is improved. The sulfur hexafluoride detection device has the advantages that the sample gas is collected, the conveying state of the sample gas is monitored, the stable conveying of the sample gas is ensured, the accuracy and stability of a detection result are improved, the service life of the detection device is prolonged, the interference of an external environment on the detection result is effectively avoided, and the sulfur hexafluoride detection device has wide applicability in a severe environment.