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131 results about "Gas cabinet" patented technology

A gas cabinet is a metallic enclosure which is used to provide local exhaust ventilation system for virtually all of the gases used or generated in the Semiconductor, Solar, MEMS, NANO, Solar PV, Manufacturing and other advanced technologies.

Heat dissipation system automatic control method based on digital twinborn model of high-voltage electrical cabinet

The invention relates to the technical field of electrical cabinet intelligent control, in particular to an automatic control method of a heat dissipation system based on a high-voltage electrical cabinet digital twinborn model, the system comprises a high-voltage cabinet, an electrical apparatus element and a fan assembly, and the fan assembly can realize air draft and air supply operation and is provided with an air guide assembly to change an airflow gathering area. The control method comprises the following steps: constructing a digital twinborn model and a temperature prediction model to realize temperature prediction in the cabinet; further constructing an oxidation-temperature rise prediction model, generating an in-cabinet temperature-oxidation hot spot distribution diagram in combination with the temperature prediction model, and performing potential overheating area analysis; according to the analysis result, the rotating speed of the fan assembly and the deflection angle of the air guide assembly are dynamically adjusted, and airflow distribution in the overheating area is optimized; in addition, the system can automatically adjust the operation state of the fan according to the blockage condition of the filter screen to achieve cleaning, and efficient operation of the heat dissipation system is ensured.
Owner:HENAN TIANLI ELECTRIC EQUIP

Pole type environmentally friendly gas insulated switchgear

This invention discloses a pole-type environmentally friendly gas-insulated switchgear, belonging to the field of switchgear. It includes a gas cabinet with a sealed environmentally friendly gas chamber inside. An isolating bracket and a pole-type bracket are both fixedly installed within the environmentally friendly gas chamber. A disconnecting switch is fixedly mounted on the isolating bracket, with its upper end electrically connected to an upper conductive terminal. A pole-type circuit breaker is fixedly mounted on the pole-type bracket, with its upper end electrically connected to the lower end of the disconnecting switch. The lower end of the pole-type circuit breaker is electrically connected to a lower conductive terminal. The upper conductive terminal is sealed on the upper part of the environmentally friendly gas chamber, and the lower conductive terminal is sealed on the lower part of the environmentally friendly gas chamber. Through the rational installation and structural improvements of the upper and lower conductive terminals, the disconnecting switch, the pole-type circuit breaker, the isolating bracket, and the pole-type bracket within the gas cabinet, the connections between these components are more compact, the environmentally friendly gas chamber is smaller, and leakage is less likely, effectively ensuring the safety of the entire device.
Owner:SICHUAN ELECTRIC APPLIANCE GRP MIDDLE & LOW VOLTAGE INTELLIGENT DISTRIBUTION CO LTD

High precision control air receiver (modular)

1. Name of the designed product: high-precision control air cabinet (modular). 2. Use of the designed product: for high-precision temperature control. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.
Owner:SHENZHEN ENVICOOL TECH

A rubber diaphragm-sealed dry gas holder leveling guide roller online maintenance device and method

This invention relates to an online maintenance device and method for leveling guide wheels in a rubber diaphragm-sealed dry gas holder. The online maintenance device for leveling guide wheels includes a vertical lifting device, a horizontal guide rail, a horizontal moving device, a power traction device, and a control system. The vertical lifting device consists of a first lifting device, a second lifting device, and a synchronous drive device. The horizontal moving device is mounted on the horizontal guide rail and consists of a moving trolley and suspended guide wheels. One end of the moving trolley is connected to the power traction device via a traction steel wire rope. This invention enables rapid online maintenance and replacement of leveling guide wheels without shutting down the gas holder; it significantly improves the maintenance efficiency of leveling guide wheels while eliminating energy waste, environmental pollution, and safety risks caused by gas holder shutdowns.
Owner:ANSTEEL ENG TECH CORP

An intelligent heat dissipation and gas leakage compensation system for an environmentally friendly gas cabinet

This utility model relates to the field of environmentally friendly gas cabinet technology, specifically an intelligent heat dissipation and gas leakage compensation system for an environmentally friendly gas cabinet. It is detachably installed on the back panel of the gas tank of the environmentally friendly gas cabinet and includes an integrated backpack. The integrated backpack includes a cabinet body with multiple chambers. A gas replenishment structure is connected to the gas tank replenishment valve on the gas tank of the environmentally friendly gas cabinet. The heat dissipation structure includes a semiconductor cooling chip and a water-cooled aluminum plate. The two sides of the semiconductor cooling chip are in contact with the back panel of the gas tank and the water-cooled aluminum plate, respectively. A fan-driven cooling unit is installed on the side of the water-cooled aluminum plate away from the semiconductor cooling chip. When the semiconductor cooling chip is energized, it transfers heat from the back panel of the gas tank to the water-cooled aluminum plate, rapidly cooling the inside of the gas tank. Simultaneously, the fan-driven cooling unit provides air cooling. The air cooling and water cooling work together to ensure stable temperature control inside the gas tank.
Owner:GUANGDONG ZHENGCHENG ELECTRIC TECH CO LTD

Gas holder device and monitoring system of gas holder device

The invention provides a gas holder device and a monitoring system of the gas holder device, and the gas holder device comprises a gas holder which is internally provided with a plurality of gas cylinders; the weighing module is positioned in the gas cylinder and is used for monitoring the residual gas in the gas cylinder; the consumption monitoring end is installed on the gas holder, the weighing module is connected with the consumption monitoring end, and the weight change condition of the gas cylinder is sent to the consumption monitoring end in real time; according to the gas cylinder consumption monitoring device, the consumption in the gas cylinder can be monitored in real time, traditional manual counting is replaced, the accuracy of consumption counting is improved, a leakage point can be instantly monitored, a cylinder valve on the gas cylinder is closed in a non-contact mode in combination with an additional interlocking piece, further leakage is prevented from the source, the use safety is improved, and the gas cylinder consumption monitoring device has a wide use range.
Owner:SEMICON MFG INT (BEIJING) CORP +1

Anti-leakage monitoring device for double-film gas storage cabinet

The utility model discloses an anti-leakage monitoring device for a double-membrane gas storage cabinet, relates to the technical field of double-membrane gas storage cabinets, and aims to solve the problems that gas pressure detection devices are arranged on the outer sides of gas conveying pipelines of existing double-membrane gas storage cabinets to prevent gas leakage of the pipelines, but gas pressure cannot be detected in a space between an inner membrane and an outer membrane. According to the technical scheme, the double-film gas storage cabinet solves the problems that in the prior art, a leakage-proof monitoring device convenient to use is lacked, once gas in an inner film leaks, monitoring cannot be conducted in time, and safety is low in the prior art, and the double-film gas storage cabinet is mainly characterized by comprising a double-film gas storage cabinet body, and a detection gas pipe is fixedly connected to the outer side of the double-film gas storage cabinet body; a gas wireless pressure detector is mounted at one end of the outer side of the detection gas pipe, a connecting piece and a joining piece are arranged at the two ends of the outer side of the mounting plate respectively, a screw is inserted into the connecting piece, an electromagnetic valve is fixedly connected to the outer side of the detection gas pipe, and a wireless receiving device is arranged on the outer side of the double-film gas storage cabinet body. And the effect of convenient use is achieved.
Owner:HEBEI ZHAOYANG ENVIRONMENTAL TECH CO LTD

Gas supply device for supplying special gas for coating cabin

The invention relates to the technical field of coating processing, and discloses a gas supply device for supplying special gas to a coating cabin, the device mainly comprises a main special gas holder, a standby special gas holder, a pre-filled buffer tank and a gas flow dispersion component, the main special gas holder and the standby special gas holder are connected with the pre-filled buffer tank through a pneumatic three-way valve to form a double-gas-source gas supply system; when the pressure of the main special gas holder is insufficient, the pneumatic three-way valve is automatically switched to the standby special gas holder, the pre-filled buffer tank preferentially releases stored high-pressure gas in the process, gas is continuously supplied to the coating cabin through the gas supply main pipe, and the problem of gas pressure fluctuation caused by valve switching in the traditional design is completely avoided. The pre-filled buffer tank adopts a coaxial double-chamber design and comprises a high-pressure chamber on the outer layer and a pressure stabilizing chamber on the inner layer, the high-pressure chamber is connected with a pneumatic three-way valve, the pressure stabilizing chamber is communicated with the coating cabin through a gas supply main pipe, an annular metal isolation plate is arranged in the pressure stabilizing chamber, and automatic balance of gas pressure is realized through an automatic adjusting mechanism.
Owner:HUNAN YUFENG VACUUM SCI & TECH CO LTD

Water curtain cabinet recovery structure with gas-water separation function

The water curtain cabinet recovery structure with the gas-water separation function is arranged on a water curtain cabinet, the water curtain cabinet comprises a gas inlet cabinet, a water storage pond and a gas collection box, the gas inlet cabinet and the gas collection box are arranged on the two sides of the top of the water storage pond respectively and are communicated with each other, the gas inlet cabinet is provided with a water curtain plate, a plurality of water baffles are arranged in the gas collection box, and the water baffles are communicated with the water storage pond. A check block is arranged on the side, away from the air inlet cabinet, of the bottom of the air inlet cabinet, a baffle is arranged on the side, close to the air inlet cabinet, of the bottom of the air collecting box, the baffle is used for reducing the flow speed of airflow flowing from the air inlet cabinet, the check block comprises an arc part and a drainage part, and the arc part is in an arc shape and used for guiding the airflow to flow towards the baffle. The drainage part is positioned above the arc part and below the baffle plate; according to the water curtain cabinet recovery structure with the gas-water separation function, the arc check block and the baffle are additionally arranged, high-speed airflow is guided to impact the baffle, rapid water-gas separation is achieved, and the water-gas separation effect is improved.
Owner:WUXI WEIGU COATING EQUIP CO LTD

High-pressure environment-friendly gas cabinet with pressure relief backpack structure

ActiveCN224233206UReduce security threatsMeet the pressure relief functionBus-bar/wiring layoutsSwitchgear arrangementsBusbarStructural engineering
The utility model relates to a high-pressure environment-friendly gas cabinet with a pressure relief knapsack structure, which comprises the pressure relief knapsack structure and a gas cabinet, and the pressure relief knapsack structure is fixed on one side of the gas cabinet far away from an instrument box on the gas cabinet; an upper pile head, a lower pile head, a sensor, a mutual inductor and the like are arranged in the gas cabinet; a partition plate is arranged between the upper pile head and the pressure relief backpack structure; a flow guide buffer area is arranged between the pressure relief opening and the upper pile head, and a pressure relief path is arranged between the pressure relief opening and the lower pile head. The pressure relief knapsack is additionally arranged at the rear part of the cabinet body, the rear part of the upper pile head is separated by the aluminized zinc plate partition plate, and the pressure relief mode directly avoids the upper pile head. The rear pressure relief design is adopted, and the upper pile head is separated. A flow guide channel is additionally arranged between the pressure relief opening and the upper pile head, and airflow is guided to be released to an equipment-free area. Metal protective baffles are additionally arranged on the bus and the cable terminal on the pressure relief path; through the targeted design, the pressure relief function can be achieved, and meanwhile the safety threat to the upper pile head and peripheral equipment is reduced.
Owner:SHANGHAI NAJIE COMPLETE SETAB OF ELECTRIC

Natural gas cabinet outer cover connecting piece

1. The name of the design product: natural gas cabinet cover connecting piece. 2. The use of the design product: connecting piece for automobile natural gas cabinet cover. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.
Owner:SHIYAN CHENLING AUTO PARTS CO LTD

High-voltage electrical cabinet convenient to maintain

The utility model discloses a high-voltage electrical cabinet convenient to maintain, which belongs to the technical field of electrical cabinets and comprises a base, a support frame is fixedly connected to the top end of the base, a cabinet top is arranged at the top end of the support frame, and cabinet side plates are hinged to two sides of the support frame. The other end of the cabinet side plate is provided with a connecting mechanism which can be conveniently connected with a supporting frame, the surface of the cabinet side plate is provided with a heat dissipation opening, an inner cavity of the heat dissipation opening is provided with a dustproof plate, the rear end face of the supporting frame is in bolted connection with a cabinet rear plate, and the surface of the cabinet rear plate is provided with a mounting hole used for mounting an electrical part mounting frame. And a cabinet door is hinged to the front end surface of the supporting frame, so that the operation space in the electrical cabinet is expanded, the time spent by maintenance personnel on the maintenance work of the electrical cabinet is shortened, the maintenance efficiency of the maintenance personnel on the electrical cabinet is improved, and convenience is provided for the maintenance work of the electrical cabinet.
Owner:JIANGSU XUSHI ELECTRIC TECHNOLOGY CO LTD

Voltage protection device for wireless Wi-Fi of fan electrical cabinet

The utility model relates to the technical field of electrical cabinets, in particular to a voltage protection device for wireless Wi-Fi of a fan electrical cabinet, a clamping assembly comprises a fixed plate, a fixed cylinder and a threaded cylinder, the fixed cylinder and the threaded cylinder are in threaded rotation connection, a conical lock cylinder for fixing a cable is arranged between the fixed cylinder and the threaded cylinder, and the fixed cylinder and the threaded cylinder are in threaded rotation connection. The end, close to the fixed cylinder, of the conical lock cylinder is provided with a plurality of triangular lock plates which are mutually close and distributed at intervals, the outer wall of the fixed cylinder is sleeved with a lock ring in sliding connection, and one face of the lock ring is provided with a lock block clamped to the threaded cylinder. According to the utility model, the triangular lock plate is radially shrunk to occlude and fix the cable, so that the slippage of the cable caused by the vibration generated during the operation of the fan is avoided, and the problem in the prior art that the mechanical vibration generated during the operation of the fan is transmitted to the voltage protection device through a wire harness or a plug connector to cause the falling of the wiring terminal is solved.
Owner:GUONENG TENG COUNTY ENERGY DEVELOPMENT CO LTD

Environment-friendly gas cabinet assembling and transferring tool trolley

The utility model discloses an environment-friendly gas cabinet assembling and transferring tool trolley, which belongs to the technical field of gas cabinet transferring devices and is characterized by comprising a frame and a limiting mechanism. The frame comprises a lower frame body, a side frame body and a push rod, the side frame body is vertically mounted on one side of the lower frame body, and a plurality of universal wheels are fixedly mounted at the lower end of the lower frame body; a limiting mechanism is mounted on the frame and comprises first clamping plates, second clamping plates, a telescopic cylinder, a rotating shaft and a connecting plate, and the multiple first clamping plates are fixedly mounted at the upper end of the side frame body; a plurality of through holes are formed in one side of the lower frame body, the outer end of the rotating shaft is connected with the lower end of the second clamping plate, the inner end of the rotating shaft is fixedly connected with one end of the connecting plate, a plurality of lug plates are installed on the lower frame body and correspond to the through holes in the lower frame body, one end of the telescopic cylinder is hinged to the lug plates, and the other end of the telescopic cylinder is hinged to the other end of the connecting plate. Compared with the prior art, the cabinet body of the environment-friendly gas cabinet is convenient to place and transfer.
Owner:SHANDONG SHENGANTAI EQUIP MFG

Mechanical interlocking device of environment-friendly gas cabinet

The utility model discloses a mechanical interlocking device of an environment-friendly gas cabinet, which belongs to the technical field of environment-friendly gas cabinets and comprises an upper mounting plate and a lower mounting plate, the upper mounting plate and the lower mounting plate are both mounted in an inner cavity of a cabinet body, and an isolation interlocking rod is arranged at the top end of the upper mounting plate. The surface of the upper mounting plate is provided with an isolation mechanism interlocking separation blade, an upper isolation interlocking grounding push plate, an isolation interlocking cam, an upper isolation interlocking isolation push plate and an electrifying structure used for electrifying, and the top end of the lower mounting plate is provided with an upper isolation interlocking circuit breaker push plate. The bottom end of the lower mounting plate is provided with a supporting structure used for abutting against the cabin door to assist in opening, so that the situation that the equipment still allows to separate the circuit breaker when the circuit breaker is mistakenly switched on, the circuit breaker is switched on and the cable cabin door is moved away is avoided, the operation risk is reduced, the five-prevention interlocking use effect is improved, the operation safety of the isolation environment-friendly gas cabinet is improved, and the service life of the isolation environment-friendly gas cabinet is prolonged. And misoperation and potential risks are avoided.
Owner:SHUANGJIE ELECTRIC HUBEI CO LTD

Pipeline structure for preventing gas from flowing backwards and semiconductor manufacturing equipment

The utility model provides a pipeline structure capable of preventing gas from flowing backwards and semiconductor manufacturing equipment, and the pipeline structure capable of preventing gas from flowing backwards comprises at least one gas cabinet which is provided with a gas outlet pipeline; the gas outlet pipeline is connected to one end of the main pipeline, and the other end of the main pipeline is communicated with a gas consumption end; the one-way valve is located on the air outlet pipeline, and an air outlet of the one-way valve faces the main pipeline; by arranging the one-way valve on the gas outlet pipeline, gas can be well prevented from flowing backwards into the gas holder when the gas consumption end stops supplying gas, damage to the gas holder and the pipeline is avoided, meanwhile, by arranging the one-way valve on the gas outlet pipeline, it is ensured that the gas can only flow to the gas consumption end from the gas holder, and therefore the safety of the system is improved; by arranging the one-way valve on the gas outlet pipeline, gas can be well prevented from flowing backwards into the gas holder when the gas consumption end stops supplying gas, damage to the gas holder and the pipeline is avoided, meanwhile, by arranging the one-way valve on the gas outlet pipeline, it is ensured that the gas can only flow to the gas consumption end from the gas holder, and therefore the safety of the system is improved.
Owner:ZHEJIANG ICSPROUT SEMICONDUCTOR CO LTD

Gas phase etching system and process based on mixed gas of HF and ethanol

The invention discloses a gas-phase etching system and process based on HF and ethanol mixed gas, the gas-phase etching system comprises a gas-phase etching device, an ethanol gas holder, an HF gas holder and a vacuum transmission module, the ethanol gas holder and the HF gas holder are respectively communicated with a gas inlet of the gas-phase etching device through pipelines, and the vacuum transmission module is communicated with a gas outlet of the gas-phase etching device through pipelines. The gas outlet of the gas phase etching equipment is also communicated with a first dry vacuum pump, the sample inlet of the gas phase etching equipment is communicated with the vacuum transmission module, and the gas outlet of the vacuum transmission module is communicated with a second dry vacuum pump. The method has the advantages that multiple metals and typical MEMS materials can be compatible, the etching rate is high, meanwhile, the good etching rate can be achieved in a compact oxide or a narrow space, and the etching uniformity is good.
Owner:JIANGSU PENGJU SEMICON EQUIP TECH CO LTD

Gas holder operation control method and system

The invention discloses a gas holder operation control method and system, and relates to the technical field of gas holder control, and the method comprises the steps: obtaining real-time pressure data in a gas holder, processing the real-time pressure data, and extracting pressure feature data; performing anomaly analysis on the pressure characteristic data by using an anomaly recognition algorithm, and recognizing key factors influencing the pressure stability of the gas holder; and based on the key factors, establishing a pressure regulation and control model, dynamically adjusting real-time operation parameters of the gas holder by using the pressure regulation and control model, and optimizing a control strategy. According to the invention, the automation and intelligence level of the operation of the gas holder is improved, the control strategy can be effectively optimized, the safe and stable operation of the gas holder under high-load and complex working conditions is ensured, and the fault risk is reduced, so that the overall reliability and efficiency of a production system are improved.
Owner:NANTONG FUCHUANG PRECISION MFG CO LTD

A monitoring system and a monitoring method for the inclination of a gas holder piston

The application provides a kind of gas cabinet piston inclination monitoring system and monitoring method, piston has circular upper surface, the gas cabinet piston inclination monitoring system includes: height measuring device and control terminal;N monitoring points are preset on the upper surface, wherein N is even number greater than 2, the number of height measuring device is N, and is one-to-one corresponding setting in N monitoring points;Height measuring device includes the cylinder body containing liquid, support and liquid level sensor, cylinder body is fixedly connected on its corresponding monitoring point by support, liquid level sensor is arranged on cylinder body, and is electrically connected with control terminal;Liquid level sensor acquires liquid level information in cylinder body in real time, and the information is sent to control terminal, and control terminal judges the inclination of piston according to the liquid level information in the N cylinder bodies of the N height acquisition devices received.The application not only can reduce labor cost, but also has the advantages of high measurement accuracy, thereby ensuring the safe operation of gas cabinet.
Owner:TANGSHAN JIANHUA AUTOMATIC CONTROL EQUIP FACTORY

Tcs gas holder and its gas supply panel assembly, pipeline system

The utility model provides a kind of TCS gas cabinet and its gas supply disc surface subassembly, pipeline system, pipeline system includes: online hydrogen supply pipeline, offline hydrogen supply pipeline and multiple groups of cylinder connecting pipeline;Each group of cylinder connecting pipeline includes inlet pipeline and outlet pipeline, one end of inlet pipeline is connected to cylinder gas inlet end, one end of outlet pipeline is connected to cylinder liquid outlet end;Online hydrogen supply pipeline is connected with first hydrogen pipeline, when cylinder is in online or standby state, and the inlet pipeline corresponding with the cylinder keeps the state of communication;Offline hydrogen supply pipeline is connected with second hydrogen pipeline, when cylinder is in offline and pressurizes liquid, and the outlet pipeline corresponding with the cylinder keeps the state of communication, and the inlet pipeline corresponding with the cylinder keeps the state of communication when filling pressure. So configure, TCS gas cabinet in use process, can avoid pressurizing liquid, filling pressure and online hydrogen supply mutual interference, ensure the stability of system operation, shorten online operation time simultaneously, improve online efficiency.
Owner:UNITED NOVA TECH - XIANFENG (SHAOXING) CORP

A dynamic proportioning adjusting method and system for a mixed gas cabinet for electronic special gas

This invention discloses a dynamic proportioning adjustment method and system for a mixing cabinet of electronic specialty gases, belonging to the field of electronic specialty gas technology. The method involves inputting electronic specialty gases into the mixing device at an initial proportion via a mass flow controller; using a tunable semiconductor laser absorption spectroscopy sensor to monitor the concentration of components in the mixed gas in real time; employing a model predictive control algorithm to predict future trends based on real-time concentration deviations and dynamically generate optimized flow setpoints, and reducing calculation frequency through a sampling verification mechanism; based on the optimized setpoints and combined with real-time collected gas flow rate, temperature, and pressure data, adjusting the opening of the mass flow controller through a compensation algorithm to compensate for proportioning deviations caused by various factors. This invention significantly improves mixing accuracy and shortens mixing time, meeting the stringent requirements of high-end processes such as semiconductor manufacturing for electronic specialty gas proportioning.
Owner:SHANGHAI YUEZHI SEMICONDUCTOR TECHNOLOGY CO LTD

Rapid bus connector for gas insulated switchgear

One end of a connecting seat is provided with a plugging inner edge, the other end of the connecting seat is provided with a sealing outer edge, the center of the plugging inner edge is provided with a guide row in a penetrating and sealing manner, the outer end surface of the sealing outer edge is provided with an air chamber sealing plate in an attached manner, and the outer side surface of the sealing outer edge is connected with the outer side surface of the inflatable cabinet in a sealing manner. The gas guide cabinet comprises two symmetrical connecting seats, an insulating sleeve is arranged between the two symmetrical connecting seats in a plug-in mode, a connecting conductor is arranged on the inner side of the insulating sleeve in a plug-in mode, and a guide bar is arranged on the inner side of the end of the connecting conductor in a plug-in mode. Therefore, the inflation and leak detection work of the inflatable cabinet can be completed in a factory, inflation operation is not needed on site, the on-site installation work of the inflatable cabinet is greatly simplified, the work efficiency of on-site installation is greatly improved, and the inflatable cabinet is not influenced by external environmental factors.
Owner:济南轨道交通集团建设投资有限公司

Arc extinguishing method and device of environment-friendly gas cabinet

The invention discloses an arc extinguishing method and device of an environment-friendly gas cabinet, and relates to the technical field of arc extinguishing methods, because the pressure of a thermal expansion chamber is greater than that of a gas compression chamber, a one-way valve is closed, and high-pressure gas is in an energy storage state, so that the energy storage effect of the high-pressure gas is ensured, and the closing of the one-way valve is fully utilized; and meanwhile, gas impact of subsequent high-pressure gas on the electric arc is ensured, so that heat and ionization mass points of the electric arc can be quickly taken away subsequently, the insulating strength of the gap is recovered instantly, and the current is successfully cut off. When small current is cut off, the pressure of the gas compression chamber is higher than that of the thermal expansion chamber, so that the one-way valve is opened, compressed gas in the gas compression chamber flows to the fracture through the one-way valve to help extinguish the electric arc, the pressure of the gas compression chamber is further controlled, the compressed gas in the gas compression chamber further assists extinguish of the electric arc, and the multiple arc extinguishing effects of the environment-friendly gas cabinet are guaranteed. And the overall cost of the environment-friendly gas cabinet is reduced.
Owner:YUNNAN POWER GRID CO LTD LINCANG POWER SUPPLY BUREAU

Recovery and reutilization method of backup liquid emptying argon

The invention discloses a recycling and reusing method for backup liquid emptying argon, and relates to the technical field of argon recycling, an argon recycling assembly, a liquid argon storage tank assembly and a double-membrane gas holder are included, and the method comprises the steps that the pressure of a storage tank is monitored in real time, and when the pressure reaches the upper limit, emptying gas enters an emptying pipeline; the emptying gas is introduced into the heat exchanger through the recovery pipeline, and the raw material gas enters the double-membrane gas holder through the gas inlet pipeline; raw material gas passes through a compressor and then is conveyed to a heat exchanger to exchange heat with emptying gas, so that the emptying gas is reheated, and the raw material gas is pre-cooled and enters a cold box with cooling capacity; mixing the gas subjected to heat exchange with feed gas, performing compression, decarburization and the like, and purifying in a cold box; and the purified argon is reheated to the use temperature through the heat exchanger, and is conveyed to a single crystal workshop together with normal argon. According to the method, argon emission can be reduced, the resource recycling rate and the cooling capacity utilization rate can be increased, then resource loss is reduced, the potential safety hazard probability can be reduced, and the working efficiency can be improved.
Owner:YIBIN YINGFA DEKUN TECH CO LTD

Automatic sealing device for gas leakage and special gas holder

The utility model relates to an automatic sealing device for gas leakage and a special gas holder. The automatic sealing device comprises a sliding rail component, a first sealing component, a lifting component, a second sealing component and a control component. The special gas holder has the advantages that the first sealing component is connected with the lifting component and the slide rail component, so that the first sealing component can quickly descend under the condition of gas leakage of the special gas holder body, and the heat dissipation holes of the special gas holder body can be quickly closed; according to the special gas holder, the second sealing part is arranged at the heat dissipation hole of the special gas holder body, the second sealing part can seal the gap between the first sealing part and the side wall of the special gas holder body, the sealing effect is further improved, and therefore leaked gas in the special gas holder body can be prevented from overflowing through the heat dissipation hole.
Owner:SHANGHAI LONGWELL M & E CO LTD

Cabinet position interlocking device for rubber membrane gas cabinet

The utility model discloses a cabinet position interlocking device for a rubber film gas cabinet, and relates to the technical field of gas cabinets. A steering member; the guide rail extends in the vertical direction; the counterweight piece is arranged on the guide rail, and is connected with the gas holder piston after being wound on the steering piece through a steel wire rope; the first cabinet position interlocking mechanism is used for being installed outside the side wall of the gas cabinet and comprises a first box body and a second box body, the first travel switch is arranged in the first box body; the first transmission mechanism can rotate, part of the first transmission mechanism is located in the first box body, part of the first transmission mechanism is located outside the first box body, and the counterweight part can touch the first transmission mechanism located outside the first box body in the process of moving upwards along the guide rail, so that the first transmission mechanism rotates and triggers the first travel switch; and the second cabinet position interlocking mechanism is mounted outside the side wall of the gas cabinet. According to the invention, low-position and high-position interlocking of the cabinet volume can be realized through a mechanical structure.
Owner:CERI ENERGY & AIR PROTECTION TECH CO LTD +1

A primary and secondary fusion environment-friendly gas cabinet scheduling monitoring method and system

The application discloses a primary and secondary fusion environmental gas cabinet scheduling monitoring method and system, obtains the protocol frame data and operation parameters of the environmental gas cabinet, and constructs an initial data set through format completeness screening and integration; a frame format abnormal distribution map is constructed through defective frame period positioning, high defect rate interval classification and end section format sudden rise detection, a communication topology network is established by combining non-loss frame tracing comparison and positioning chain break risk; the protocol compatibility parameters are analyzed by rate classification, the protocol switching nodes are positioned through sudden rise section effectiveness verification, the transmission time delay overrun nodes are synchronously identified, scheduling conversion instructions are generated by sorting, the initial data set is traced back and checked from the non-chain break nodes according to the scheduling conversion instructions, the systematic missing nodes are determined through field coverage scanning and continuous silence verification, the communication topology network is updated by retransmission density weighting after adjacent frame filling and completion, and scheduling monitoring instructions are output, so that the fine scheduling monitoring of the primary and secondary fusion environmental gas cabinet is realized.
Owner:ZHEJIANG GUYUAN ELECTRIC POWER TECH

Cable transfer device for mobile substation and mobile substation

The utility model discloses a cable switching device and mobile substation for mobile substation, include: cabin, be equipped with baffle, and baffle divides cabin into accommodating chamber and switching chamber, the gassing cabinet is located in accommodating chamber, and the gassing cabinet forms the wiring outlet, the insulator is located in switching chamber, the switching copper row is located on the insulator, the switching cable is sealed through baffle, and one end forms the plug end, and the other end forms the switching line nose, and the switching line nose is connected with switching copper row, and switching copper row is used for with equipment cable one end equipment line nose connects, and equipment cable seals through cabin. Switching copper row and insulator set up in independent switching chamber, can protect cable switching device, effectively insulate rainwater, dust, avoid the mistake of electrified state personnel, reduce the occurrence of safety accidents, through switching cable repeatedly dismounting wiring outlet is removed to switching copper row, reduces the plug -in wear and tear of wiring outlet and the risk of gassing cabinet damage, promotes the connection stability and reliability.
Owner:QINGDAO TERUIDE INTERNATIONAL ELECTRIC POWER EQUIPMENT CO LTD

Dry type gas holder side plate hoisting device

The utility model provides a dry type gas holder side plate hoisting device, which belongs to the technical field of gas holder side plate hoisting, and comprises a cantilever beam, a guide wheel group, a hoisting rope, a connecting component and an anti-shaking mechanism, the overhanging cross beam is arranged on the top of the gas cabinet, and a mounting frame is arranged at the bottom of the overhanging cross beam; the guide wheel set comprises four transverse guide wheels and four longitudinal guide wheels, and the four transverse guide wheels and the four longitudinal guide wheels are arranged on the top of the cantilever beam. The lifting rope is sequentially wound around the transverse guide wheel and the longitudinal guide wheel, and the two ends of the lifting rope are connected with the two winches respectively. The connecting assembly comprises a pulley and a connecting part, the connecting part is connected with the gas cabinet side plate, and the lifting rope is wound on the outer side of the pulley; through combined use of the guide wheel set and the anti-shaking mechanism, the problem that the side plate of the gas chamber is prone to inclining or rotating in the air is solved, it is guaranteed that the lifting rope moves along a preset path, meanwhile, the pressure borne by a single part is reduced, and therefore the service life of the device is prolonged.
Owner:CHINA THIRD METALLURGICAL GRP

Low cabinet volume control system and method for converter gas cabinet

The invention belongs to the technical field of gas holder control, and particularly discloses a converter gas holder low-capacity control system which is characterized in that a gas recovery device is provided with a gas holder, the gas holder is provided with a booster fan, the booster fan is provided with a gas pipe network, the gas holder is provided with a holder capacity detection module, and the holder capacity detection module is provided with a holder capacity grading module; the cabinet capacity grading module is provided with a given switching module, the given switching module is provided with a given comparison module, the given comparison module is provided with a PID module, the PID module is electrically connected with the frequency converter, the frequency converter is electrically connected with the pressurization fan, the gas pipe network is provided with a pressure detection module, and the pressure detection module is in signal connection with the given comparison module; the cabinet capacity part lower than the cabinet capacity threshold value is divided into a plurality of gears, and the cabinet capacity is slowly reduced through step control, so that a piston of the gas cabinet slowly descends, and the situation that the gas cabinet suddenly falls to the bottom is reduced; the problem that due to the fact that gas in an existing gas cabinet falls to the bottom when consumed too fast, a cabinet body is instantly squashed is solved.
Owner:XINJIANG BAYI IRON & STEEL CO LTD