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64 results about "Sulphur Hexafluoride" patented technology

10KV sulfur hexafluoride switch cabinet

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.
Owner:BEIJING SOJO ELECTRIC CO LTD

Environment-friendly gas ring main unit with gas leakage alarm function

ActiveCN120914664ASwitchgear arrangementsHexafluorideChemical reaction
The invention discloses an environment-friendly gas ring main unit with a gas leakage alarm function, and belongs to the technical field of gas ring main units, the environment-friendly gas ring main unit with the gas leakage alarm function comprises a ring main unit body, the ring main unit body comprises a normal pressure cavity and a sealing cavity, the sealing cavity is filled with environment-friendly gas sulfur hexafluoride, and the normal pressure cavity is communicated with the normal pressure cavity. An emergency box is arranged on the side wall of the ring main unit body, a placement groove is formed in the side wall of the side, away from the ring main unit body, of the emergency box, the side wall of the air storage tank communicates with an air outlet pipe, and an emergency structure is arranged in the sealing box. The emergency box is arranged on the side wall of the ring main unit body, so that after the ring main unit body accidentally leaks gas, an emergency structure in the emergency box can be triggered to warn workers, environment-friendly gas is supplemented into the sealing cavity of the ring main unit body, and if external oxygen enters the sealing cavity, the sealing cavity is sealed by the sealing cavity. And oxygen can be consumed through chemical reaction, so that the safety of workers during maintenance of the ring main unit body is ensured.
Owner:NANJING QIANXIN ELECTRIC APPLIANCE EQUIP CO LTD

High-voltage sulfur hexafluoride circuit breaker driving structure

A high-voltage sulfur hexafluoride circuit breaker driving structure disclosed by the present invention comprises a machine body, the upper end of the machine body is fixedly connected with three ceramic arc extinguish chambers, the middle position of the bottom end of the machine body is fixedly connected with a distribution box, and the bottom ends in the ceramic arc extinguish chambers are in bolted connection with mounting seats. And separation guide rods are connected into the mounting seats in an up-down sliding manner. According to the invention, intelligent separation and reunion of energy storage motor drive and the transmission shaft are realized through the separator structure, connection with the energy storage motor is automatically disconnected during opening, and the problem of resistance caused by reverse rotation of a motor rotor in a traditional structure is thoroughly avoided, so that the opening speed and the action reliability are remarkably improved, and current can be rapidly cut off when a power grid has a fault; the system has double modes of automatic energy storage and manual operation of the energy storage motor, can be remotely controlled and can be manually and emergently operated on site, so that the applicability and the emergency processing capability of the equipment under different working conditions are greatly enhanced, and the system is particularly suitable for guaranteeing the stability of the system in a power-off or fault state.
Owner:CHINA TIANSHUI CHANGCHENG SWITCHGEAR CO LTD

Foldable sulfur hexafluoride inflating and vacuumizing device

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.
Owner:HENAN ZHIYI SYST ENG +1

Environment-friendly gas ring main-tie-main unit with air leakage alarm function

ActiveCN120914664BSwitchgear arrangementsHexafluorideChemical reaction
The application discloses an environment-friendly gas ring main unit with a gas leakage alarm function and belongs to the technical field of gas ring main units. The environment-friendly gas ring main unit with the gas leakage alarm function comprises a ring main unit body, wherein the ring main unit body comprises a normal-pressure cavity and a sealed cavity, the sealed cavity is filled with environment-friendly gas hexafluoride sulfur, an emergency box is arranged on the side wall of the ring main unit body, a placing groove is formed in the side wall of the emergency box away from the ring main unit body, a gas outlet pipe is in communication with the side wall of a gas storage tank, and an emergency structure is arranged in the sealed box. The emergency box arranged on the side wall of the ring main unit body can trigger the emergency structure in the emergency box after accidental gas leakage of the ring main unit body, thereby warning the staff and supplementing the environment-friendly gas in the sealed cavity of the ring main unit body. If the oxygen in the outside world enters the sealed cavity, the oxygen can be consumed through a chemical reaction, thereby ensuring the safety of the staff when repairing the ring main unit body.
Owner:NANJING QIANXIN ELECTRIC APPLIANCE EQUIP CO LTD

Preparation method and application of vanadium-doped titanium dioxide composite material

The invention discloses a preparation method and application of a vanadium-doped titanium dioxide composite material, and relates to the technical field of titanium dioxide composites.The preparation method comprises the following steps that 1, ammonium vanadate and titanium dioxide are mixed in proportion, the doping amount of the vanadium element is controlled to range from 0.1 wt% to 12.5 wt% according to the total mass of the mixture, then high-temperature heating is conducted, and a mixture is obtained; vanadium-doped titanium dioxide powder is obtained; and (2) mixing the vanadium-doped titanium dioxide powder with a carrier in proportion, controlling the content of the vanadium-doped titanium dioxide powder to be 10-30 wt% based on the total mass of the composite material, and carrying out physical grinding to obtain the powdery vanadium-doped titanium dioxide composite material. The catalytic material disclosed by the invention is applied to degradation of sulfur hexafluoride and has excellent degradation capability.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST +1

Outdoor three-phase sulfur hexafluoride load switch

The utility model belongs to the technical field of power equipment, and discloses an outdoor three-phase sulfur hexafluoride load switch, which comprises a switch piece, an arc extinguishing medium piece is arranged at the top of the switch piece, a support piece is arranged at the bottom of the switch piece, the support piece comprises a base tube, the top of the base tube is fixedly connected to the bottom of the switch piece, and the arc extinguishing medium piece is arranged on the base tube. The base pipe is fixedly connected with the base pipe, the bottom of the base pipe sinks inwards to form a second screw hole, a screw rod is connected to the interior of the second screw hole in a screwed mode, the bottom of the screw rod is fixedly connected with an extension rod, the bottom of the extension rod sinks inwards to form a first screw hole, and the first screw hole is matched with the screw rod. The extension rods with the number required by personnel are connected end to end, and then the extension rods with the length adjusted are connected with the second screw holes in a screwed mode through the screws, so that the extension rods with the length adjusted are connected with the base pipe, the fixing height of the device can be adjusted, and the use range of the device is widened.
Owner:WENZHOU ROCKWILL ELECTRIC CO LTD

Portable gas collection device (fully automatic)

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.
Owner:LANZHOU JIAOTONG UNIV

Circuit-breaker

The invention relates to a circuit-breaker (1), comprising a gas compression arrangement (4) configured for compressing a quenching gas to be contained therein and which quenching gas is free of sulphur hexafluoride; a first contact (20) and a second contact (30) movable relative to one another along a switching axis (2); a nozzle (40) providing an inflow channel (IN) connecting the gas compression arrangement (4) to an arc zone (3), the inflow channel (IN) constituting a minimal inflow area to be passed by the quenching gas, the nozzle (40) radially restricting the arc zone (3) between the first contact (20) and the second contact (30); wherein, for the quenching gas to exit the arc zone (3), the circuit-breaker (1) provides at least one outlet (OUT1, OUT2) constituting a minimal outflow area, and the minimal inflow area divided by the minimal outflow area defines an inflow- outflow-ratio being at least 0.5.
Owner:HITACHI ENERGY LTD

Air box equipment of environment-friendly inflatable switch cabinet

The invention discloses a gas tank device of an environment-friendly gas-filled switch cabinet, and relates to the technical field of intelligent power grid power transformation and high-voltage power transmission and distribution, the gas tank device comprises a top expansion bus gas chamber (23) formed by welding stainless steel plates, the top expansion bus gas chamber (23) is of a full-sealed structure, and environment-friendly gas with the pressure not exceeding 0.05 MPa is filled into a full-sealed gas filling device (25); a high-voltage live part is packaged in the full-sealed inflation device (25) and comprises a three-station isolating / grounding switch (13), a vacuum circuit breaker (15), a bus of a copper bar structure and a high-voltage live conductor insulating sleeve. The conductors in the air chamber equipment are subjected to electric field optimization design, silver plating and polishing, the insulation performance of a primary part can be ensured, and the reliability and the stability of the air chamber equipment are equivalent to those of sulfur hexafluoride inflation equipment.
Owner:南京市嘉隆电气科技股份有限公司

Mixed insulating gas containing perfluorodimethyl sulfide and application thereof

The invention relates to a gas insulation technology of an electric power system, in particular to a mixed insulating gas containing perfluorodimethyl sulfide and application of the mixed insulating gas. The insulating mixed gas is composed of a component 1 and a component 2, and the component 1 is perfluoromethyl sulfide; and the component 1 is 1, 1, 2, 2-tetrafluoroethane, 2, 3, 3, 3-tetrafluoropropene and 1, 1-difluoroethane, and the component 2 is 1, 1, 2, 2-tetrafluoroethane, 2, 3, 3, 3-tetrafluoropropene and 1, 1-difluoroethane. The insulating mixed gas provided by the invention has the insulating property equivalent to or even more excellent than that of sulfur hexafluoride, has a lower GWP value, and is particularly suitable for gas-insulated electrical transformers, gas-insulated wires for transmitting or distributing electric power, or connectors / disconnectors in the middle-high voltage field. The mixed gas disclosed by the invention has the characteristics similar to that of single gas, and the liquefaction temperature of the insulating mixed gas is lower than that of each component; and the mixed gas also has an insulating synergistic effect, and has the advantages of low GWP, low toxicity, low boiling point and high insulating strength.
Owner:XIAN MODERN CHEM RES INST +1

A kind of installation device for sulfur hexafluoride enclosed combination electric appliance gas monitoring

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.
Owner:SICHUAN HUANENG KANGDING HYDROPOWER CO LTD

Method for preparing CC bond coupling products from enol silyl ether compounds and application of SF6

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.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST

SF6 and O2 two-in-one infrared detection device

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.
Owner:HANGZHOU PUYUAN ELECTRIC POWER TECHNOLOGY CO LTD

A power basic resource management and control system

The present invention provides an electric power basic resource management and control system, which belongs to the technical field of electric power basic resource management and control; in order to solve the technical problem that the speed of sulfur hexafluoride filling the cavity of the existing high-voltage circuit breaker during arc extinguishing control is slow, resulting in a long arc extinguishing time, the technical solution adopted is: a lower contact copper sleeve is installed inside the inner main sleeve, and an upper contact sleeve is connected to the inner side of the lower contact copper sleeve, and an insulating connection part is fixedly provided at the bottom of the upper contact sleeve; a connection part side hole is opened on the surface of the insulating connection part, and an insulating connecting rod is extended from the bottom into the connection part side hole and slidably connected to the insulating connection part; a lifting pressure plate is also fitted on the bottom of the cavity of the inner main sleeve, and a pressure plate top groove is opened on the top of the lifting pressure plate, and a top groove slider is slidably connected in the groove of the pressure plate top groove, and the bottom of the insulating connection part and the top groove slider are connected by a linkage structure; the present invention is applied to arc extinguishing control of the distribution network.
Owner:SHANXI SIJI TECH CO LTD

A sulfur hexafluoride insulated ring main unit and power distribution system

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.
Owner:ZHUHAI COMKING ELECTRIC CO LTD

Sulfur hexafluoride load switch mounting structure

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.
Owner:WENZHOU ZHONGJING ELECTRIC CO LTD

Power basic resource management and control system

The invention provides a power basic resource management and control system, and belongs to the technical field of power basic resource management and control. In order to solve the technical problem of long arc extinguishing time caused by low speed of filling sulfur hexafluoride in a cavity during arc extinguishing control of an existing high-voltage circuit breaker, the adopted technical scheme is as follows: a lower contact copper sleeve is mounted in an inner main sleeve, an upper contact sleeve is connected to the inner side of the lower contact copper sleeve, and a lower contact copper sleeve is connected to the inner side of the upper contact sleeve; an insulating connecting part is fixedly arranged at the bottom of the upper contact sleeve; a connecting part side hole is formed in the surface of the insulating connecting part, and the insulating connecting rod extends into the connecting part side hole from the bottom to be in sliding connection with the insulating connecting part; a lifting pressing disc is further attached to the bottom in the cavity of the inner main sleeve, a pressing disc top groove is formed in the top of the lifting pressing disc, a top groove sliding block is slidably connected into the pressing disc top groove, and the bottom of the insulation connecting part is connected with the top groove sliding block through a linkage structure. The method is applied to arc extinguishing control of the power distribution network.
Owner:SHANXI SIJI TECH CO LTD

Gas separation device

The utility model relates to a gas separation device, and relates to the field of gas recovery technology, the gas separation device comprises a waste gas storage bin, the waste gas storage bin is communicated with a waste gas recovery pipeline, the gas inlet end of the waste gas recovery pipeline is communicated with the gas outlet end of a container filled with waste gas, and the waste gas recovery pipeline is provided with a first gas pump; the waste gas storage bin is communicated with a waste gas treatment pipeline, the gas outlet end of the waste gas treatment pipeline is communicated with a membrane separator, the membrane separator is communicated with a first gas outlet pipeline and a second gas outlet pipeline, the second gas outlet pipeline is communicated with a sulfur hexafluoride storage tank, and the first gas outlet pipeline is provided with a first valve; a second valve is mounted on the second gas outlet pipeline; a third valve is mounted on the waste gas treatment pipeline; a temperature compensation module and an air pressure compensation module are mounted on the waste gas treatment pipeline. According to the invention, the separation effect of nitrogen and sulfur hexafluoride can be guaranteed.
Owner:SHANGHAI GUDU ELECTRONIC TECH CO LTD

A method for preparing fluorine-containing diphenylmethane compounds using sulfur hexafluoride as a fluorinating reagent

The application discloses a method for preparing fluorine-containing diphenylmethane compounds by using sulfur hexafluoride as a fluorination reagent, and belongs to the technical field of organic chemical synthesis. The preparation method comprises the following steps: (1) mixing a photocatalyst, a solvent and a reducing agent, and performing ultrasonic treatment to obtain solution A; mixing a reaction substrate and the solvent to obtain solution B; the photocatalyst is one or more of 4CzIPN, Ir[dF(CF3)ppy]2(dtbpy))PF6, 9-thioxanthone and 10-phenylphenothiazine; the reaction substrate is a compound with a structural formula of R1 and R2 are both H, alkoxy or halogen; (2) mixing the obtained solution A and solution B in a sulfur hexafluoride gas atmosphere, and performing reaction under blue light illumination, and the fluorine-containing diphenylmethane compounds are obtained. The method has the beneficial effects that the fluorine-containing diphenylmethane compounds are efficiently prepared by using sulfur hexafluoride as the fluorination reagent, and by selecting raw materials and catalysts with certain proportions; the reaction raw materials are cheap; the preparation process is safe, mild, has good substrate compatibility and high preparation efficiency.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST

A sulfur hexafluoride nitrogen fusion medium isolation device and electrical equipment

The present invention provides a sulfur hexafluoride nitrogen fusion medium isolation device and electrical equipment. The sulfur hexafluoride nitrogen fusion medium isolation device includes a moving contact assembly and a static contact assembly. The static contact assembly includes a static contact seat and a static contact. A connecting cavity facing the moving contact assembly is formed in the static contact seat. The static contact is connected to the bottom of the connecting cavity and extends toward the moving contact assembly. One end of the static contact close to the moving contact assembly protrudes from the static contact seat. The moving contact assembly has a disconnection position and a connection position relative to the static contact assembly. When the moving contact assembly is in the disconnection position, the moving contact assembly and the static contact are separated from each other. When the moving contact assembly is in the connection position, at least part of the structure of the moving contact assembly extends into the connection cavity and contacts and conducts with the static contact. In this way, it can be applied to electrical equipment using a fusion medium of sulfur hexafluoride and nitrogen. The proportion of sulfur hexafluoride is smaller, and it is more low-carbon and environmentally friendly while ensuring the electrical life.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST +4

Microporous copper-based wheel paddle binuclear metal-organic framework material and its application in gas separation

The application relates to a preparation method of a novel microporous copper-based metal organic framework material (Cu-MOF) and gas separation application thereof. Cu metal centers are all in a four-coordination mode, each independent Cu atom is coordinated with one oxygen atom on a BODC ligand, carboxyl O atoms on the BODC ligand all participate in coordination, and a propeller binuclear coordination geometry of the Cu-MOF is formed; wherein each BODC ligand acts as a four-connected node and is connected with four crystallographically independent Cu centers, and the carboxyl on the BODC ligand is connected and supported, and the bridge ring in the middle section contains rich methylene groups, and the rich H atoms can all act as potential action sites. The regularly arranged BODC ligands in the Cu-MOF channel provide hydrogen bond acceptors, which are favorable for strengthening the action force between low-carbon hydrocarbon gas molecules and the framework, so that the effects of preferentially adsorbing acetylene, ethane, propylene, propyne and sulfur hexafluoride gas in acetylene / carbon dioxide, ethane / ethylene, propylene / ethylene, propyne / propylene, sulfur hexafluoride / nitrogen and other mixed gases are realized.
Owner:CHINA THREE GORGES UNIV

Control system and control method for heat tracing band of sulfur hexafluoride circuit breaker in severe cold area

The invention discloses a control system and a control method for a sulfur hexafluoride circuit breaker heat tracing band in a severe cold area. Physical layer equipment comprises a sulfur hexafluoride circuit breaker, a heat tracing band and a sensor; the data acquisition layer is connected with the physical layer, and the data acquisition layer is used for acquiring data of a sulfur hexafluoride circuit breaker and a heat tracing band in real time; the model building module is used for building a virtual model of the circuit breaker and the heat tracing band by using circuit breaker and heat tracing band data; the intelligent control layer is in two-way communication with the digital twinborn model layer and is used for predicting the state of physical layer equipment in future preset time through a machine learning algorithm based on a virtual model of the digital twinborn model layer in combination with data of a circuit breaker and a heat tracing band to obtain a prediction result; generating a start-stop control instruction of the heat tracing band according to the prediction result and a preset safety threshold value; and the man-machine interaction and remote monitoring layer is respectively connected with the intelligent control layer and the physical layer, and is used for displaying the state of the circuit breaker, the operation parameters of the heat tracing band and the prediction result in real time, and supporting fault alarm and remote control based on a control instruction.
Owner:XIAN XD HIGH VOLTAGE APPARATUS CO LTD +1

Circuit breaker (indoor sulfur hexafluoride)

1. The name of this design product: Circuit breaker (indoor sulfur hexafluoride). 2. Purpose of this design product: for use in high-voltage power grid installation. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. As the view is not often seen, the top view and bottom view are omitted.
Owner:SHANGHAI SONGTENG POWER EQUIP CO LTD

A matcher device suitable for high pressure working environments

The present application relates to the technical field of matcher device, especially to a matcher device suitable for high pressure working environment, which aims at the problem that the existing radio frequency matcher cannot be adapted and optimized for the high pressure environment formed by the injection of sulfur hexafluoride into a sealed tank, is prone to abnormal operation or even stoppage failure under the action of high pressure in the tank, and cannot meet the use requirements of special experimental scenes, and proposes the following technical scheme: a matcher shell is provided with two groups of baffles; two groups of capacitors are arranged between the two groups of baffles, and adjusting mechanisms are arranged at two ends of the capacitors respectively, the adjusting mechanisms are used for adjusting the capacitance value of the capacitors to dynamically adjust the self impedance of the matcher; and a circuit board is installed in the matcher shell. The matcher can be used in high pressure working environment, is safe and convenient, and has good social and economic benefits.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Plasma catalysts suitable for degradation of sulfur hexafluoride and preparation and use thereof

PendingCN122321893APtru catalystContinuous use
The application discloses a plasma catalyst suitable for sulfur hexafluoride degradation, a preparation method of the plasma catalyst and application of the plasma catalyst in low-temperature plasma catalytic degradation of SF6. The plasma catalyst comprises a carrier and an active component; the carrier comprises gamma-Al2O3; and the active component comprises a cerium-zirconium sulfated solid solution; the mass ratio of the cerium-zirconium sulfated solid solution to the gamma-Al2O3 is (1-55):100. The plasma catalyst can obtain a SF6 degradation rate of more than 95% and a SO2 selectivity of more than 94% under the condition of an input power of 60 W. x The plasma catalyst has high SF6 degradation rate and SO2 selectivity, and the long-range stability of the catalyst is excellent, and the SF6 degradation rate and the SO2 selectivity of the catalyst can still be more than 91% and more than 85% respectively after 12 hours of continuous use. x The plasma catalyst has high SF6 degradation rate and SO2 selectivity, and the long-range stability of the catalyst is excellent, and the SF6 degradation rate and the SO2 selectivity of the catalyst can still be more than 91% and more than 85% respectively after 12 hours of continuous use.
Owner:JIAXING UNIV

Sulfur hexafluoride degradation device and method

The invention discloses a sulfur hexafluoride degradation device and method. The degradation device comprises collection pressurization equipment, a valve II, heating catalysis equipment, a valve I and a pressure adsorption storage tank which are connected in sequence; the collecting and pressurizing equipment is at least used for collecting mixed sulfur hexafluoride, water vapor and air and conveying the mixed gas to the heating and catalyzing equipment; the heating catalytic equipment is at least used for heating and catalytically degrading sulfur hexafluoride under the atmosphere of water vapor and air; the heating catalysis equipment comprises a front section, a catalyst packing layer and a rear section which are sequentially arranged along the airflow direction; the rear section is provided with a discharge port with a valve IV; the pressure adsorption storage tank is at least used for adsorbing sulfur-oxygen-fluorine by-products generated by degradation of sulfur hexafluoride; the pressure adsorption storage tank comprises a first area, a by-product adsorption layer and a second area which are sequentially arranged along the airflow direction; the second area is connected with the front section through a return pipe; a valve III is arranged on the return pipe; and the return pipe between the second area and the third valve is connected with a regeneration discharge pipe with a fifth valve.
Owner:ZJU-ANQING YANGTZE DELTA FUTURE IND INSTITUTE +1

Integrated binary gas storage container

The integrated binary gas storage container comprises an SF6 storage container and a second storage container, the second storage container is fixed in the SF6 storage container in a sleeved mode, a refrigerating coil is arranged on the outer side of a shell of the second storage container in a spiral winding mode, and an inlet of the refrigerating coil and an outlet of the refrigerating coil penetrate through and extend out of the shell of the SF6 storage container. A heating pipe for heating SF6 gas and second gas is arranged at the lower part of the SF6 storage container; an SF6 gas outlet is formed in the lower part of the SF6 storage container, an SF6 gas inlet is formed in the top, and a fixed seat is arranged at the bottom; and the gas inlet pipe and the gas outlet pipe of the second storage container respectively penetrate through and extend out of the shell of the SF6 storage container. The problems that when a plurality of containers are arranged respectively, the occupied space is large, the structural layout is not attractive, and therefore sulfur hexafluoride mixed gas mixing and separating equipment cannot be miniaturized and attractive are solved.
Owner:HENAN RELATIONS CO LTD

A double-acting high-voltage sulfur hexafluoride circuit breaker transmission device

The invention discloses a double-acting high-voltage sulfur hexafluoride circuit breaker transmission device, comprising: a first linear motion member, a first circular motion member, a second linear motion member, a second circular motion member and a linkage member; the first linear motion member is connected to the end of the moving contact facing away from the static arc contact, and can be driven by the moving contact to move linearly; the first linear motion member is connected to the first circular motion member, driving the first circular motion member to move circularly; the first circular motion member is connected to the second circular motion member through the linkage member, driving the second circular motion member to move circularly; the second circular motion member is connected to the second linear motion member, driving the second linear motion member to move linearly, the second linear motion member is connected to the end of the static arc contact facing away from the moving contact, driving the static arc contact to move linearly; the first linear motion member and the second linear motion member have opposite movement directions, and the first circular motion member and the second circular motion member have opposite rotation directions. The invention can improve the speed of opening and closing.
Owner:STATE GRID NINGXIA ELECTRIC POWER CO +3

A method of carboxylic acid amide formation

The application discloses a carboxylic acid amidation method and an amide compound prepared by the method. The preparation method takes an amine compound and a carboxylic acid compound as raw materials, takes an organic solvent as a solvent, and performs light irradiation under the condition that a photocatalyst, an alkali and sulfur hexafluoride exist, so as to perform a reaction in the organic solvent to obtain the amide compound. The reaction condition of the application is mild, the reaction raw materials (including the amine compound, the carboxylic acid compound and the alkali) are cheap and easy to obtain, the application has the characteristics of cost saving, environmental friendliness and industrial popularization. The method effectively activates SF6, a greenhouse gas, and fully utilizes the decomposition products of SF6 to realize the amidation reaction of the carboxylic acid, so that SF6 is changed from waste to treasure. The required raw materials are simple and easy to obtain, the reaction condition is simple, green and energy-saving, and the application has high application value.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD ELECTRIC POWER SCI RES INST