973 results about "Airbox" patented technology

The invention relates to a simplified gas delivery system for atomic layer etching. According to the system, the overall cost is reduced by omitting the requirements of a gas tank and a pressure gauge. A preset mass flow controller (MFC) and a three-way valve can accurately control the gas flow in the surface modification step and the sputtering step of the ALE process. By means of the self-limiting property of the ALE process, the system does not need to maintain the steady-state pressure of the chamber, and the efficiency can be improved only by controlling the volume of the conveyed gas.

The utility model provides a ring main unit. The ring main unit comprises a gas tank, a fixed frame fixed on the inner side wall of the gas tank, a circuit breaker switch and a three-position switch, wherein the circuit breaker switch and the three-position switch are positioned in the gas tank. The solid-sealed polar pole of the circuit breaker switch comprises a polar pole body, a movable end shielding seat and a static end shielding seat, the movable end shielding seat and the static end shielding seat are located at the two ends of the polar pole body, the movable end shielding seat and the static end shielding seat can wrap the two ends of the polar pole body respectively, and therefore the electrical connection position of the polar pole body is electrically isolated from the external environment; the pole body, the moving end shielding seat and the static end shielding seat are cast into a whole through insulating resin, so that the consistency of the pole is improved; the grounding shielding seat adopts an integrally formed metal piece, and can uniformly wrap a plurality of grounding contacts in a shielding space, so that the electric field distribution of the grounding contacts is optimized. According to the ring main unit, dry air can be used as insulating gas, miniaturization of the ring main unit is achieved, and the corresponding insulating performance is met.

An automobile air intake system that has a detachable transparent window assembly for visually inspecting the air filter is contemplated. A user may inspect the air filter by viewing the air filter through the transparent window assembly. Alternatively, the user may remove the window assembly from the air intake system to provide an unobstructed view of the filter. The window assembly may be releasably secured to an airbox with magnets and magnetic materials. The airbox and window assembly may be contoured about the air filter, to provide a larger section of the filter to be viewed and inspected.

An airbox for an air intake system of an engine includes an air inlet for receiving air into the airbox, an air outlet for discharging air from the airbox, and an airbox body defining first and second expansion chambers fluidly connected to one another. The airbox body has a dividing wall separating the first expansion chamber from the second expansion chamber, the dividing wall defining a wall opening fluidly connecting the first and second expansion chambers. An interchangeable flute is removably connected to the airbox body. The interchangeable flute is at least partly disposed in the second expansion chamber and positioned to guide air flowing into the air inlet into the second expansion chamber. The interchangeable flute is removable such that a replacement flute can be installed in its place to selectively modify a noise output of the airbox. Other aspects are also contemplated.

The invention discloses a primary and secondary fusion complete environment-friendly gas insulated looped network box, which comprises a box body, a load switch is arranged in the switch chamber; the gas tank is filled with environment-friendly gas; a cable chamber; a gas storage space is formed between the support and the gas tank; a leak-proof rod; a one-way valve; a closing frame; a drive spring; a mounting hole; a rebound spring; the swing rod is arranged on one side of the load switch and is used for switching off or switching on the load switch; the connecting rod is connected with the swing rod and the driving rod and used for transmission; one end of the driving rod is connected with the connecting rod; the gear is connected to the driving rod; the gear tooth rod is meshed with the gear, penetrates through the air box and is fixedly connected with the sealing plate; when air leakage occurs at multiple positions, the closing plate closes the air box, drives the grounding switch to be grounded and cuts off the load switch. The invention has the following beneficial effects: the primary and secondary fusion complete environment-friendly gas insulated looped network box can automatically detect the gas leakage position and seal the gas leakage position so as to restrain the leakage of environment-friendly gas.

The invention relates to the technical field of ring main units, and provides a self-adaptive protection device for a ring main unit, which comprises a cabinet body, a gas tank mounted on the back of the cabinet body and filled with environment-friendly insulating gas, and a pressure relief pipe with one end communicated with the top of the gas tank and used for pressure relief of the gas tank, the top of the gas tank is provided with a pressure relief regulation and control assembly, and the top of the pressure relief regulation and control assembly is provided with a dustproof assembly. The pressure relief regulation and control assembly comprises a funnel-shaped main speed discharging barrel arranged at the top of the air box and a butt joint sleeve for connecting the main speed discharging barrel with the pressure relief pipe in a sealed mode. During use, the main pressure relief channel and the branch slow-heating pressure relief channels are utilized and respond to instantaneous high-pressure impact and continuous hot pressing respectively, so that deformation and damage of the gas tank caused by instantaneous arcing overpressure are effectively prevented, and the potential safety hazard that pressure accumulation caused by abnormal slow temperature rise cannot be released in time is eliminated; and self-adaptive protection of the ring main unit gas tank is realized.

The utility model discloses an atmospheric environment monitoring and sampling device which comprises a supporting frame, an atmospheric monitoring box is arranged at the top of the supporting frame, a sealing door is arranged on the front side of the atmospheric monitoring box, a gas quality monitoring box and an air extracting pump which are communicated with each other are arranged in the atmospheric monitoring box, the air extracting pump is provided with an air extracting pipe, and an air distributing box is arranged at the end of the air extracting pipe. A sampling pipe and a gas purifying pipe which extend to the outside are arranged at the top of the gas distribution box, a gas guide pipe which extends to the outside is arranged at the bottom of the atmosphere monitoring box, the gas guide pipe is provided with an exhaust pipe and a gas distribution header pipe, a fourth electric control valve is arranged on the exhaust pipe, a plurality of gas distribution pipes are arranged at the bottom of the gas distribution header pipe, storage tanks are arranged at the bottoms of the gas distribution pipes, and third electric control valves are arranged on the gas distribution pipes; an exhaust valve pipe is arranged at the bottom of the storage tank. Compared with the prior art, the device disclosed by the utility model has the advantages that the atmospheric environment can be accurately monitored by extracting air through equipment, and meanwhile, abnormal air can be sampled and stored in time when the environment is detected to be abnormal.

The invention relates to the technical field of aero-engines, and particularly provides a variable cycle engine duct experiment system and experiment method. A variable cycle engine duct experiment system comprises: a first combined experiment member comprising a main flow valve and a shunt ring; the second combined experiment piece comprises a first outer culvert, a second outer culvert and an ejector; the inlet of the variable capacitor second external culvert experiment piece is connected with the external culvert outlet of the shunt ring, and the outlet is connected with the second external culvert; an inlet of the first gas collection tank is communicated with an inner culvert outlet of the shunting ring; the bypass ratio adjusting valve is used for adjusting the bypass ratio at the shunting ring; an inlet of the second gas collection tank is connected with an outlet of the first gas collection tank through an inner culvert pressurization simulator, and an outlet is communicated with the first outer culvert; an inlet of the variable capacitor confluence duct experiment piece is communicated with the second outer duct; and the outer culvert throttle valve is connected with an outlet of the variable capacitor confluence culvert experiment piece. According to the technical scheme, engine duct experiments in multiple modes can be achieved, and the experiment efficiency is improved.

The invention belongs to the technical field of electrical equipment, particularly relates to a rear cable outlet inflatable ring main unit for a primary and secondary fusion ring main unit, and aims to overcome the defects that certain inconvenience exists when an inflatable ring main unit is inflated and gas entering the inflatable ring main unit cannot be cyclically dehumidified in the daily use process in the prior art. The power distribution station is provided with an opening, two door plates are symmetrically hinged to the opening of the power distribution station, a plurality of primary devices are installed in the power distribution station side by side at equal intervals, and air boxes are fixedly installed on the primary devices. At the moment, after the dry air is input through the butt joint pipe on one side, the dry air can be supplied into the multiple air boxes at the same time, in the daily use process, the air in the air boxes can be dehumidified in a circulating mode, and therefore secondary equipment located in the air boxes can stably operate and work.

The utility model discloses a switching mechanism of a rotary double-flame lighter based on a grinding wheel driving wheel and a lighter, and the double-flame lighter comprises a gas box, a first flame generating head, a second flame generating head, a first gas pipe for connecting the gas box and the first flame generating head, a second gas pipe for connecting the gas box and the second flame generating head, and a grinding wheel ignition unit, the grinding wheel ignition unit comprises a grinding wheel arranged in a rotating mode and a driving wheel matched with the grinding wheel in a coaxial rotating mode, the switching mechanism comprises a switching block, and the switching block is matched with a driving shaft in a sliding mode in the axial direction. When the driving shaft is located at the first position in the axial direction, the switching block and the first air pipe form air channel release fit, and when the driving shaft is located at the second position in the axial direction, the switching block and the first air pipe form air channel cut-off fit.

The utility model provides a chemical plant waste gas detection collecting device which comprises a gas storage tank, a hand-held rod fixedly connected to the top of the gas storage tank, foot pads fixedly connected to four corners of the bottom of the gas storage tank, a gas outlet pipe fixedly connected to the left side of the gas storage tank, a first electric control valve fixedly sleeved on the outer side of the gas outlet pipe, and a pressure monitoring mechanism arranged on the right side of the gas storage tank. The right side of the pressure monitoring mechanism is provided with an exhaust pipe, the right end of the exhaust pipe is fixedly connected with a threaded connector, the right side of the exhaust pipe is fixedly connected with a sealing ring in a sleeving mode, the threaded connector is sleeved with an internal thread connecting sleeve, the right end of the internal thread connecting sleeve is fixedly connected with a connecting hose, and the right end of the connecting hose is provided with an exhaust filtering mechanism. The pressure monitoring mechanism is arranged, so that the use requirements under different conditions can be met, the practicability is high, meanwhile, the sealing condition can be detected, a user can know the leakage at the first time when the leakage occurs, and the safety is improved.

A motorcycle with a single transmission breather that is mounted over the transmission case. Crank case gas passes through the breather. Oil separated from the breather drains back to a cavity under the breather. Gases separated in the breather travel through a breather hose to an airbox. The breather utilizes a sloped incline in order to prevent oil that separates out from pooling.

The invention discloses a compact common box type environment-friendly gas ring main unit and a working method, and belongs to the technical field of high-voltage environment-friendly gas switch cabinets. The ring main unit comprises a gas tank, a cabinet body and an instrument chamber. The gas box is placed on the cabinet body, the instrument chamber is placed on the top of the cabinet body and is arranged in an upper-middle-lower mode in the whole space, a front plate in the gas box is provided with a five-station switch body integrating an isolating switch and a circuit breaker, a top plate in the gas box is fixedly provided with a supporting insulator, one end of the supporting insulator is fixedly connected with a main busbar, and the main busbar is provided with a static knife. One side plate of the gas box is fixedly provided with a side expansion sleeve with an umbrella skirt, one end of one end of the main busbar is connected with one end of the side expansion sleeve with the umbrella skirt, and the bottom of the gas box is provided with a pressure release valve. And reasonable layout is realized in a limited space, modular assembly is realized, and the insulation safety of main elements in the gas tank is ensured.

1. The name of the design product: Air. 2. The use of the design product: used for Carplay, Android Auto, HiCar, Android system, and original car upgrade intelligent multimedia function, and smart phone mirror projection, wireless interconnection control. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention belongs to the field of high-voltage switch cabinets, and relates to an inflatable semi-insulating high-voltage switch cabinet which is characterized in that a bus chamber, a gas tank and a cable chamber are arranged in the middle of the interior of a cabinet body frame, an instrument chamber, a mechanism chamber and a front cable chamber are arranged at the front end of the interior of the cabinet body frame, a maintenance opening is reserved in a rear cover plate of the gas tank, and a rear sealing plate of the gas tank is hermetically mounted at the position corresponding to the maintenance opening; an anti-explosion through hole is formed in the center of the gas tank rear sealing plate, the anti-explosion piece is installed at the anti-explosion through hole, a connecting opening communicated with the mechanism chamber is reserved in the gas tank front cover plate, the gas tank front sealing plate is installed at the position corresponding to the connecting opening in a sealed mode, and the supporting insulator, the three-station mechanism conductive piece and the circuit breaker pole are installed in the gas tank. The three-station operating mechanism, the inflation inlet and the circuit breaker operating mechanism are installed in the mechanism chamber, the inflation inlet is communicated with the gas box in a sealed mode, and the gas box is filled with insulating gas. According to the invention, the operation difficulty can be reduced, and the circuit breaker, the three-position mechanism and other core components can be free of maintenance.

The utility model relates to the technical field of pneumatic conveying and sorting of colloidal particles, in particular to pneumatic conveying and sorting equipment for colloidal particles. According to the technical scheme, the device comprises a sorting box, an inner cavity is formed in the sorting box, a bottom opening is formed in the front side of the bottom of the inner cavity, a high-quality collecting box, a light-quality collecting box and a dust collecting box are arranged in the bottom opening, a feeding port is formed in one side of the upper portion of the sorting box, and a hopper is fixed in the feeding port; a fan box is fixed to the side, close to the feeding port, of the sorting box, a main air opening is formed in the position, aligned with the fan box, of the side wall of the sorting box, an auxiliary air channel is formed in the middle of the bottom of the main air opening, a sieve plate is movably installed in the inner cavity and located above the high-quality collecting box, and a lower opening of the auxiliary air channel is aligned with the upper portion of the sieve plate. After wind power is used for mass sorting, appearance screening is conducted through vibration of the screen plates, the purpose of multi-layer screening is achieved, and screening accuracy is improved.

The invention relates to the technical field of ABS material production, in particular to ABS material production equipment and a preparation method thereof.The production equipment comprises a rack and a sealing tank, a plurality of feeding pipes are arranged at the top of the sealing tank, a spiral extruder is arranged at the bottom of the sealing tank, a gas tank is arranged in the sealing tank, and the feeding pipes extend to the lower portion of the gas tank; a plurality of air inlets are formed in the bottom of the air tank; an air outlet pipe arranged at the top of the air tank extends out of the sealing tank; an annular mounting frame is coaxially arranged in the sealing tank, a stirring unit is further arranged in the sealing tank, the stirring unit ensures that a rotating ring is rotationally mounted on the annular mounting frame, and a plurality of vibrating rods are mounted on the rotating ring; according to the technical scheme, when the rotating ring of the stirring unit rotates, the vibrating rod stirs materials, the vibrating rod vibrates in the vertical direction to vibrate and exhaust the materials, gas can be exhausted through the gas outlet pipe and treated in a centralized mode, and harmful gas generated in ABS production is prevented from affecting workers.

The utility model relates to the technical field of cigarette equipment, in particular to a tool for a filter tip assembling machine, which comprises a main wall plate, a gas distribution box, a drum wheel shaft group and a driving piece, and the gas distribution box is positioned in front of the main wall plate; a plurality of mounting holes are formed in the main wall plate, a plurality of air distribution holes corresponding to the mounting holes in position are formed in the air distribution box, the driving part is in transmission connection with the converging drum shaft, and the converging drum shaft sequentially transmits power to the approaching drum shaft, the twisting and connecting drum shaft, the conveying drum shaft I and the final slitting drum shaft through gears. And finally, the slitting drum shaft divides the power into two paths through a gear, one path transmits the power to a transmission drum shaft II through the gear, and the other path transmits the power to a turning-around drum shaft, a detection drum shaft and a removal drum shaft in sequence through the gear. The driving piece takes the converged drum shaft as power input to run and slide, so that the subsequent normal operation of the filter tip assembling machine is ensured, the hidden danger is reduced, and the efficiency is improved.

The invention discloses a 40.5 kV gas tank with a tank type structure and power switch equipment. The gas box comprises a circuit breaker switch gas chamber and a three-position switch gas chamber which adopt tank structures and are connected through a sealing connecting plate, and the gas box contains corresponding parts and is reasonable in layout. The circuit breaker switch air chamber is provided with a circuit breaker shell, a circuit breaker switch inside the circuit breaker shell and the like, and the three-position switch air chamber is provided with a three-position shell, a grounding mechanism, a movable contact seat mechanism and the like and is further provided with a magnetofluid driving movable contact. The unique tank body structure enables the electric field to be uniformly distributed, enhances the insulating property, effectively prevents the gas tank from deforming, and ensures the matching precision of components. Meanwhile, independent operation of the air chamber is achieved, overhaul and maintenance are convenient, and power failure time and range are reduced. According to the invention, environment-friendly insulating gas is adopted, and innovative structural design is combined, so that the defects of traditional equipment in multiple aspects of environmental protection, structural strength, electric field distribution, maintenance convenience and the like are overcome, the overall performance and reliability of the equipment are improved, and the device is suitable for a 40.5 kV power system.

The invention discloses a cast rolling production degassing box which comprises a supporting base fixedly installed on the ground, a degassing box body is fixedly installed on the upper surface of the supporting base, a supporting frame is fixedly installed on the outer portion of the rear side of the degassing box body, and a gas storage box storing inert gas is fixedly installed on the upper surface of the supporting base. A first air pump communicated with the air storage box is fixedly installed on the upper surface of the air storage box, the first air pump is communicated with a containing groove formed in the bottom end of the interior of the degassing box body through a conveying pipe, the air storage box is connected with a preheating mechanism in the degassing box body, and an air brick is fixedly installed at the lower end of the interior of the degassing box body; and a stirrer is rotationally mounted above the air brick. According to the degassing box for cast-rolling production, the heat exchange pipeline is heated through the temperature of molten aluminum, inert gas in the gas storage box circularly flows in the heat exchange pipeline through cooperation of the second gas pump and the connecting pipe, the purpose of preheating gas is achieved, and the situation that the molten aluminum is solidified due to the low temperature when the gas is introduced into the molten aluminum is reduced.

The invention relates to the technical field of heat treatment equipment, in particular to metal part heat treatment equipment and method.The metal part heat treatment equipment comprises a foundation and a closed box, a track extending into the closed box is laid on the foundation, a workpiece conveying trolley is arranged on the track and provided with at least one set of hanging discs, and workpieces are hung on the lower sides of the hanging discs; a heat treatment furnace and an immersion tank are arranged on the lower side of the closed box; the side edge of the closed box is provided with an inlet / outlet corresponding to the track, the inlet / outlet is provided with a sealing door, the closed box is provided with an exhaust pipe, the exhaust pipe is connected with a vacuum pump and comprehensive waste gas treatment equipment, the closed box is communicated with a gas supply pipe, the gas supply pipe is connected with a gas distribution box, and the gas distribution box is connected with a gas storage tank; the closed box is arranged on the heat treatment furnace, the internal environment is isolated, the heat treatment reliability and efficiency are improved, meanwhile, during annealing heat treatment, the time of a workpiece in the heat treatment furnace can be shortened, and the use efficiency of the heat treatment furnace is effectively improved.

The utility model provides a chambered bag-type dust collector, belonging to the technical field of bag-type dust collectors, including an air box chambered cylinder, a plurality of steel cages and filter bags are arranged on both sides of the interior of the air box chambered cylinder, a vibration cleaning assembly is arranged on the top of the steel cage, and an equal distribution cleaning assembly is arranged below the steel cage. In the utility model, the cylinder drives the sliding plate and the rack to move back and forth linearly, and the gear drives the lead screw to rotate, and then the linkage effect between the lead screw and the threaded sleeve is used to transmit power to the threaded sleeve, and under the restriction of the circular through hole and the round rod, the threaded sleeve can only drive the fixed rod and the protrusion to move downward, and the protrusion will squeeze the roller during the downward movement, so that the roller drives the fixed plate, the guide rod and the arc block to move in the direction of the filter bag, so that it generates a certain vibration phenomenon during the filtering process, so as to reduce the adhesion of dust gas on its surface, thereby improving the applicability of the equipment.

The utility model relates to the technical field of heat conduction silicon wafer laying, and discloses a novel heat conduction silicon wafer laying device which comprises a supporting bottom plate, a material suction mechanism is arranged on the supporting bottom plate, the material suction mechanism comprises a supporting frame, a lead screw is rotatably connected to the interior of the supporting frame through a bearing, and a lead screw sliding block is arranged on the outer wall of the lead screw in a threaded and sleeved mode. According to the utility model, a workpiece on which a heat-conducting silicon wafer needs to be laid is placed on the material placing table, and the air box is pushed to descend through the inner rod of the hydraulic rod, so that the sucking disc enters the material storage box and is in contact with the heat-conducting silicon wafer, and air in the air box can be extracted through the air extracting pump, so that the air in the air box is in negative pressure; and then, the hydraulic rod drives the inner rod to reset, so that the purpose of convenient feeding is achieved.

The invention discloses a switch cabinet using clean air as an insulating medium, and particularly relates to the technical field of electrical equipment, the switch cabinet using clean air as the insulating medium comprises a cabinet body, an air box, a fixed disc, a sealing spacer bush, a cylindrical sleeve, a clamping sleeve and a sealing ring; a contraction unit; the air supplementing unit is arranged in the air box and used for supplementing air into the air box when the clamping sleeve shrinks. According to the invention, the contraction unit triggers and drives the clamping sleeve to generate elastic contraction deformation, so that the hole wall of the cable penetrating hole clamps the sealing ring, the sealing ring and the surface of the cable are in closer contact, the leakage phenomenon of the cable and the cable hole is reduced, in addition, when the air pressure in the air box is reduced, the air supply unit acts, and then air can be supplied to the air box. The gas pressure in the gas tank is increased, so that the positive pressure state in the gas tank is maintained in a short time, the concentration of an insulating gas medium in the gas tank is improved, and the arc extinguishing of the gas tank is prevented from being greatly influenced.

The invention relates to the technical field of gas insulation ring main units, discloses an intelligent environment-friendly gas insulation ring main unit, and solves the problem that when a gas leakage part of an environment-friendly gas tank is positioned, environment-friendly gas cannot be smoothly and sensitively captured by a gas monitor, so that the positioning difficulty of the gas leakage part of the gas tank is relatively high. Air flow generated during air leakage in the sealing cover drives the fan blades to deflect, the position of a connecting piece where air leakage occurs in the air box is determined according to the position of the driven measuring assembly, the specific direction of the air leakage position on one side of the connecting piece is determined, later maintenance is facilitated, detection is not affected by physical or chemical properties of environment-friendly gas stored in the air box, and the detection accuracy is improved. The detection effect is reliable, tracer gas is further introduced into the rubber cover, when gas leakage at the assembly position of the connecting piece is slow, the tracer gas flows into the gas detection pipe and is detected by the gas detector, the gas leakage condition can be detected, and the safety and reliability of gas leakage detection of the gas tank are further improved.

The utility model discloses a glass fiber reinforced plastic gas-collecting hood which comprises a gas-collecting hood body, an exhaust structure is installed on the gas-collecting hood body, a gas washing structure is installed on the exhaust structure, a guide structure and a spraying structure are installed on the gas washing structure, and the spraying structure is installed on the exhaust structure. According to the utility model, the exhaust pipe, the one-way valve body, the gas washing box, the gas outlet pipe and other structures are arranged; in order to prevent gas in the gas-collecting hood body from leaking from a gap at a joint between the gas-collecting hood body and the gas-collecting hood body or a gap at a joint between the gas-collecting hood body and the industrial pool due to oversaturation, controllable opening of the one-way valve body is utilized; a trace amount of gas in the gas-collecting hood body is fed into the gas washing box for gas washing, and the gas is discharged through the gas outlet pipe after the standard is reached, so that the loading capacity in the gas-collecting hood body can be conveniently, rapidly and efficiently reduced.

The utility model relates to a pipeline derusting device for shipbuilding, which comprises a pipe body, a positioning mechanism is arranged in the pipe body, an adjusting mechanism is arranged on the positioning mechanism, a polishing component is arranged on the adjusting mechanism, the adjusting mechanism comprises an air storage tank, a protection tank and an air pump, the air storage tank is arranged in the pipe body, and a piston cylinder is communicated with the air storage tank. A piston plate is arranged in the piston cylinder in a sliding and tight fit mode, a piston rod is fixed to one end of the piston plate, a protection box is arranged on the positioning mechanism, a rotatable rotating shaft is transversely arranged in the protection box, one end of the rotating shaft is fixed to the air storage box, and the rotating shaft is hollow. According to the pipeline rust removal device for shipbuilding, by arranging the adjusting mechanism, when the inner peripheral wall of a pipe body needs to be ground, the grinding assembly can be driven by the adjusting mechanism to be rapidly attached to the inner peripheral wall of the pipe body, then rotary grinding is conducted, the effect of removing rust on the inner wall of the pipeline for the ship is achieved, and the labor amount of workers is reduced; and meanwhile, the polishing and derusting efficiency and quality are guaranteed.

The invention relates to the technical field of civil air defense door frames, and discloses a civil air defense door frame assembling and welding tool which comprises a workbench, a clamping and assembling mechanism and a welding mechanism, a plurality of table legs are fixedly connected to the periphery of the bottom of the workbench correspondingly, and vertical plates are fixedly connected to the two ends of the top of the workbench correspondingly. The clamping and assembling mechanism comprises a forward and reverse motor fixedly connected to the center of the bottom of the workbench, when a second supporting table is extruded, the second supporting table pushes an extrusion rod, the extrusion rod drives an air pressure plate to move, the air pressure plate extrudes inert gas in a gas box, and the inert gas is conveyed into the gas box; inert gas enters the diffusion hopper through the bent pipe in the gas box, the inert gas is discharged outwards through the diffusion hopper, and the inert gas is diffused through the diffusion hopper, so that the inert gas is sprayed to the welding position of the door frame, and contact between iron in the door frame and oxygen in air is reduced. Therefore, the occurrence of oxidation reaction is reduced, the generation of ferric oxide is reduced, and the working quality of the device is enhanced.

The utility model belongs to the field of electrical control boxes, and specifically relates to a novel explosion-proof electrical control box, including a box body, a control door hinged on the front of the box body, a gas box fixedly connected to the lower right end of the box body, a fixed pipe fixedly connected to the lower end of the gas box, an exhaust box fixedly connected to one end of the fixed pipe located inside the box body, a temperature-sensing starting mechanism provided on the exhaust box, a convenient ventilation mechanism provided inside the gas box, and a box door hinged on the right end of the gas box. The utility model adds structures such as gas cylinders, baffles, and limit frames inside the gas box, and can limit the gas cylinder through the connector at one end of the internal hose of the gas box, and the gas cylinder can be placed more stably by limiting the gas cylinder through the baffle and the limit frame. When the gas inside the gas cylinder needs to be replaced after the gas discharge is completed, the gas cylinder can be replaced conveniently and quickly by simply removing the connector from the gas cylinder and separating the limit frame from the gas cylinder.

The invention discloses a gas tank assembly based on a direct current GIS, and relates to the technical field of gas tanks, the gas tank assembly comprises a gas tank, a main heat dissipation structure and an auxiliary heat dissipation structure, the main heat dissipation structure comprises a flow guide heat dissipation body, the flow guide heat dissipation body is located outside the gas tank, the flow guide heat dissipation body is used for being connected with the interior of the gas tank, and the flow guide heat dissipation body is located outside the gas tank. The auxiliary heat dissipation structure is used for auxiliary heat dissipation of the flow guide heat dissipation body. Heat dissipation is conducted on the interior of the gas tank through the main heat dissipation structure, heat dissipation is further enhanced through the auxiliary heat dissipation structure, and the problem that heat dissipation treatment cannot be effectively conducted due to the fact that the temperature in the gas tank rises is solved; the problem that the insulation fault risk of equipment is increased due to performance reduction of internal insulation materials caused by the fact that heat cannot be fully dissipated in the gas tank can be solved, the service life of the equipment is prolonged, and the risk that operators are exposed to harmful gas is reduced.