103 results about "Arc column" patented technology

A low-voltage cabinet with a suspension structure relates to the technical field of low-voltage cabinets and comprises a supporting plate, a plurality of mounting plates are fixedly arranged on opposite side walls of the supporting plate, a supporting cylinder in threaded connection with the mounting plates penetrates through the ends of the mounting plates, an extrusion cylinder in threaded connection with the supporting cylinder is sleeved at the open end of the supporting cylinder, and a plurality of penetrating grooves are formed in the outer wall of the supporting cylinder in a penetrating manner. A rotating plate rotationally connected with the supporting cylinder is arranged in the penetrating groove, an arc-shaped column is fixedly connected to the end of the rotating plate, a plurality of protruding structures are arranged on the outer wall of the arc-shaped column, a moving column is horizontally and movably arranged in the supporting cylinder, a plurality of supporting strips in friction contact with the rotating plate are fixedly arranged on the outer wall of the moving column, and a compression spring is arranged in the supporting cylinder. The two ends of the compression spring abut against the movable column and the extrusion cylinder correspondingly, and an inner frame is fixedly arranged at the end of the supporting plate. According to the invention, the problem that the existing low-voltage cabinet is easy to loosen or fall off in a special environment is solved; and internal devices are difficult to disassemble and assemble. The fixing piece cannot be repeatedly used; and the dismounting process is tedious.

The present invention relates to the technical field of die stamping and forming of inertia rings, and discloses an inertia ring and its die stamping and welding forming process, wherein the inertia ring comprises: a plurality of arcuate cylinders, wherein the plurality of arcuate cylinders are sequentially connected end to end to form an inertia ring with a closed ring structure, wherein the outer ring sidewall and the inner ring sidewall of the arcuate cylinder are each provided with at least two connecting portions, and the arcuate cylinder comprises a plurality of sheets stacked along the axial direction of the inertia ring, wherein the plurality of sheets of the same arcuate cylinder are connected by connecting portions, and the plurality of sheets are formed by continuous stamping on a material strip. By using the inertia ring and its die stamping and welding forming process described in the present invention, the sheet is manufactured by continuously stamping and blanking on a metal steel strip, and then the arcuate cylinder and the inertia ring are formed by assembly processing, which greatly improves the utilization rate of the material strip and reduces the production cost of the inertia ring. Moreover, the sheet is produced by continuous stamping, and the production efficiency of the sheet is extremely high, thereby greatly improving the production efficiency of the inertia ring.

The application relates to the field of hardness detection facilities, in particular to a full-automatic hardness detection machine for double-row bearings, which comprises a machine base, a centering roller fixedly installed at the middle part of the upper end of the machine base, key teeth extended on the outer surface of the centering roller, a bearing shaft coaxially arranged at the side of the centering roller, a convex base extended at the upper end edge of the bearing shaft, a guide column fixedly installed at the upper end surface of the convex base, an elastic pressing base fixedly installed at the outer surface of the guide column, a locking piece arranged between the pressing base and the guide column, two arc-shaped columns symmetrically fixedly installed at the lower end of the pressing base, the center of the arc-shaped column being collinear with the center of the centering roller, and a detection piece installed at the rear edge of the upper end of the machine base. The application improves the convenience and the accuracy of the hardness detection, and ensures the normal operation of the detection.

A hybrid ultra-high enthalpy arc heater comprises a rear electrode group, a contraction section, a compression channel, a throat, an expansion section, and a front electrode group. The arc cathode is attached to the electrode of the rear electrode group. The contraction section is mainly used to compress the arc column, completing the first plasma acceleration. The compression channel is used to compress and elongate the arc column, fully heating and ionizing the working gas. The airflow is concentrated to high pressure at the throat, completing the second plasma acceleration. The airflow completes the third plasma acceleration in the expansion section. The arc cathode is attached to the electrode terminal of the front electrode group, where the plasma is subjected to the Lorentz force, achieving the fourth acceleration and ultimately forming an ultra-high enthalpy flow field. This invention can be applied to the field of aerodynamic thermal ground simulation technology research, mainly providing medium and low pressure ultra-high enthalpy uniform flow fields.

The invention discloses a fault detection method and system based on lightning protection device performance data, and relates to the technical field of fault detection, and the method comprises the steps: capturing the airflow velocity and airflow pressure deviation of a multi-crack outlet of a lightning protection device under the impact of a high lightning current in real time, and collecting the arc length data of an outlet point of the lightning protection device, and the temperature and instantaneous arc resistance of the thermocouple induction arc column are calculated. According to the method, the normalized airflow energy density and arc energy density features are combined into the joint feature sequence, so that the coupling relationship between the airflow performance and the arc discharge behavior of the lightning protection device can be captured, and the global detection state of slow evolution and instantaneous mutation of the equipment fault is realized; the lightning stroke threat intensity can be independently reflected by defining the dynamic risk index, lightning stroke threat propagation and topological network characteristics are combined in combination with lightning protection device performance detection data, and therefore transmission effect modeling of the lightning stroke dynamic risk is achieved.

The utility model discloses an anti-shaking device for an elevator steel wire rope, and relates to the technical field of elevator steel wire ropes. The device comprises a connecting wall, one side of the connecting wall is provided with a first annular plate, one side of the first annular plate is provided with an annular groove and a notch communicated with the annular groove, two arc-shaped columns are placed in the annular groove, and the outer side walls of the arc-shaped columns are provided with arc-shaped plates; the second annular plate is arranged on the peripheral side of the first annular plate in a sleeving mode, and the inner side wall of the second annular plate is arranged on the outer side wall of the arc-shaped plate in a threaded fit mode. According to the steel wire rope, the arc-shaped plate is arranged, so that the arc-shaped plate positions the arc-shaped column in the annular groove under the action of the second annular plate, the shaking amplitude of the steel wire rope body is reduced through the second annular plate, the situation that a speed limiter in the prior art breaks down is reduced, and the safety of an elevator during use is improved.

The utility model discloses a slidable wear-resistant heat-insulating sliding block for sealing a furnace tube at the top of a heating furnace, which comprises an upper sliding block, the upper sliding block passes through a clamping groove at the lower end, a lower sliding block is arranged at the lower end of the upper sliding block, and a fixing strip is fixed at the lower end of the clamping groove. When a lower sliding block and a furnace tube with a large size are mounted, the furnace tube extrudes a lower circular frame, so that the lower circular frame extends through an arc-shaped column, a clamping plate extrudes a stainless steel spring through movement of the arc-shaped column, and meanwhile, a screw rod extends in length according to the diameter of the furnace tube through a fixing column; the fixing columns extrude the stainless steel springs through the clamping plates at the left end and the right end, the stainless steel springs release elastic force to enable the upper sliding block and the lower sliding block to be tightly attached to the outer wall of the furnace tube, and therefore the furnace tubes of different sizes can be installed, the connection stability between the sliding blocks and the furnace tubes can be ensured, and potential safety hazards are reduced.

The present application discloses a nozzle for a 3D printer, which relates to the technical field of 3D printer accessories. It includes a base. An elevating member is axially provided inside the base. At both ends of the outside of the base, sliding members are respectively arranged radially opposite and slidably. An inclined guide block structure is provided between the sliding member and the elevating member. The inclined guide block structures on the two sliding members are arranged in a staggered manner. Two feed pipes for conveying different materials are arranged inside the base. The end of the feed pipe is axially extended with an outer arc-shaped cover. The sliding member includes an inner arc-shaped column that acts radially on the inside of the outer arc-shaped cover. The outer arc-shaped cover and the inner arc-shaped column are connected to a heater. The middle part of the inner arc-shaped column is set to be concave. The technical advantages of the application are as follows: By setting the sliding member and the elevating member, when switching materials, the plasticized material in the acting section of the heater is isolated and stored by using the concave cavity, reducing the mixing rate during material switching and also reducing the material switching loss; The different attitude control of the bilateral sliding members can be realized by using a single elevating member and a spring group.

The invention discloses an environment-friendly gas-insulated ring main unit, which belongs to the technical field of switch devices and comprises an outer box, the outer box comprises a secondary gas chamber filled with inert gas, and a bus, a first adapter, a relay line bank, a sensing module, a second adapter and an output line bank are sequentially arranged in the secondary gas chamber from top to bottom. Through the arrangement of the outer box, the inner box and the arc extinguishers, the space in the outer box is divided into the first-stage gas chamber and the second-stage gas chamber, adapters needing arc extinguishing are independently arranged in the inner box with smaller volume, the influence among the adapters is avoided, the use amount of arc extinguishing gas can be reduced, the buffer space is increased, and the arc extinguishing efficiency is improved. And the arc extinguishing device can generate airflow at the position, where the electric arc is easily generated, of the adapter, and the flowing arc extinguishing gas can quickly take away heat generated by the electric arc and reduce the temperature of an arc column, so that the extinguishing of the electric arc is accelerated, and an effect of accelerating arc extinguishing is achieved by utilizing the dynamic arc extinguishing gas.

The invention discloses a floating ball valve which comprises a ball body, a cushion block and a valve rod. Wherein a groove is formed in the surface of the ball body; the cushion block is of an arc-shaped cylinder structure, and after the cushion block is embedded into the groove, the groove becomes a linear groove body; the valve rod is matched with the linear groove body, and the ball body is driven to rotate through the cushion block. According to the floating ball valve, the connecting structure of the valve rod and the ball body is optimized, the structure can effectively disperse loads borne when the valve rod rotates and when the groove face of the ball body makes linear contact with the valve rod, stress concentration is reduced, the reliability of the floating ball valve is improved, and the service life of the floating ball valve is prolonged. And the connection and disassembly processes of the valve rod and the ball body are easy to operate, maintenance and repair are convenient, and the maintenance cost is reduced.

The invention relates to a quick mounting structure for a building external wall insulation board. The quick mounting structure comprises a mounting plate, a mounting support, a mounting screw rod and a linkage mounting mechanism, the mounting support is vertically and fixedly arranged on one side of the mounting plate, and the mounting screw is rotationally connected to the mounting support; a threaded sleeve block is screwed on the mounting screw rod; the linkage mounting mechanism comprises a support frame, a guide hole column and an arc-shaped column; the support frame is horizontally and fixedly connected to the threaded sleeve block; the arc-shaped column is fixedly arranged on the other side of the mounting plate, the guide hole column is connected to the arc-shaped column in a sliding mode, and the end of the guide hole column is horizontally connected to the supporting frame in a sliding mode; a plurality of heat preservation plate mounting blocks are arranged on the guide hole columns at intervals and used for being connected with heat preservation plates to be mounted. According to the rapid installation structure for the building external wall insulation board, the insulation board installation block on the guide hole column in the linkage installation mechanism can be finally driven to move upwards and rotate through rotation of the installation screw rod, the insulation board installation block is adjusted to the installation position in a linkage mode, and therefore rapid installation of the insulation board is achieved.

The invention relates to a device for improving the through-flow arc control of a high-voltage large-capacity gas gap switch, and the device comprises a test cavity which is used for providing a controllable gas insulation environment and serves as a carrier of a high-voltage large-current discharge test; the trigger discharge loop is used for generating a high-voltage pulse to drive the trigger cavity to generate plasma jet and induce the main gap to be broken down and conducted at a preset moment; and the large current generation loop is used for storing energy and generating a high-energy fault current simulating an actual working condition after the main gap is conducted. A main gap can form a stable and controllable initial discharge channel under high-voltage and large-gap conditions, active constraint is carried out on an arc movement track in a high-energy fault current flowing stage, and long-term residence of an arc root in a local area of an electrode is avoided, so that the ablation degree of the electrode is remarkably reduced, the through-flow life is prolonged, and meanwhile, the service life of the electrode is prolonged. A transverse magnetic field generated by the spiral groove structure enables an electric arc to rotate along the surface of the electrode, the stability of an arc column is effectively improved, and the reliability under the condition of large current flow is improved.

According to the motorcycle LED headlamp with the auxiliary light source, a main light source and an auxiliary light source are installed on a main PCB and a side PCB respectively, the main light source is responsible for irradiating light forwards to form a traditional paving effect, and the auxiliary light source is installed on the side portion to irradiate the light source towards the side edge. A paving effect can be formed at the position close to the front of a vehicle through reflection of the reflecting cover, driving safety at night is improved, and for the low-power heat dissipation problem that a fan does not need to be installed, a heat dissipation aluminum piece in the LED lamp is provided with a heat dissipation base and a heat dissipation arc column, heat dissipation arc grooves are formed in the outer side of the heat dissipation arc column, and a heat dissipation fin effect is formed between the heat dissipation arc grooves. The heat dissipation area is greatly increased, the heat is transmitted outwards through a plurality of heat dissipation holes, and an L-shaped red copper heat pipe is arranged at the lower end of the main PCB on the inner side so that the heat of the main PCB can be further transmitted to the heat dissipation aluminum piece in an accelerated mode.

The utility model discloses a floating ball valve which comprises a ball body, a cushion block and a valve rod. Wherein a groove is formed in the surface of the ball body; the cushion block is of an arc-shaped cylinder structure, and after the cushion block is embedded into the groove, the groove becomes a linear groove body; the valve rod is matched with the linear groove body, and the ball body is driven to rotate through the cushion block. According to the floating ball valve, the connecting structure of the valve rod and the ball body is optimized, the structure can effectively disperse loads borne when the valve rod rotates and when the groove face of the ball body makes linear contact with the valve rod, stress concentration is reduced, the reliability of the floating ball valve is improved, and the service life of the floating ball valve is prolonged. And the connection and disassembly processes of the valve rod and the ball body are easy to operate, maintenance and repair are convenient, and the maintenance cost is reduced.

The present invention discloses a diversion and guiding mechanism for an arc machining flushing liquid, which relates to the field of arc machining technology and includes a shell, an active mechanism, a driven mechanism, a diversion mechanism, and an electrode; the active mechanism is used to drive the driven mechanism; the driven mechanism is used to drive the electrode; a flushing liquid inlet is provided on the shell, a diversion mechanism is provided between the flushing liquid inlet and the top of the electrode, a plurality of through inner holes are provided on the electrode, and the diversion mechanism is used to control the flushing liquid to enter different inner holes. The motor is directly connected to the diversion block for angle control, and the rotation of the diversion block can be more precise and rapid. Part of the internal flushing liquid is diverted to the contact position between the electrode and the workpiece through the guide baffle, thereby enhancing the impact force of the fluid flushing the arc; the lower layer of the guide baffle is made of insulating material to avoid harmful discharge. The diversion and guiding functions both act on the internal flushing liquid. A reasonable and effective control scheme for the internal flushing liquid can help the arc technology be put into practice in complex morphology processing and prevent harmful arc columns from damaging the workpiece and the electrode.

The invention relates to the technical field of inertia rings, and discloses a high-precision inertia ring and a circumferential mass compensation forming process thereof.The high-precision inertia ring comprises a plurality of arc-shaped cylinders, the multiple arc-shaped cylinders are sequentially connected end to end to form the inertia ring of a closed annular structure, every two adjacent arc-shaped cylinders are fixedly connected through a welding seam at the splicing position, and a containing groove is formed in the splicing position; the containing groove is filled with a balance weight piece, and the balance weight piece is used for correcting the uniformity of mass distribution in the circumferential direction of the inertia ring. According to the high-precision inertia ring and the circumferential mass compensation forming process thereof, the accommodating groove at the splicing part is filled with the counterweight piece capable of compensating the mass deviation, so that the circumferential mass of the inertia ring is accurately adjusted; the technical problem of uneven circumferential mass distribution caused by factors such as welding process fluctuation, uneven solder filling and operation difference of an existing inertia ring formed through stamping and welding is solved from the structural level, and the dynamic balance precision and the operation stability of the inertia ring during high-speed rotation are remarkably improved.

The utility model provides an adapter of a notebook computer power adapter with variable pins, which comprises a plug shell (1), a rotating hub, a hub seat, a triangular concave part, a triangular rib, a convex drum, a rectangular hole, a circular truncated cone opening, a handle, a double-spring piece, an arc column rib, a blocking rib, a sliding groove, a sliding rail, a spring piece bayonet, a fork-shaped spring piece, an arc-shaped elastic piece, a gap, a pointer, a positioning block, a positioning mark and a positioning groove. The rotating hub, the hand pinching part, the double-spring piece, the blocking rib, the sliding groove and the sliding rail form a variable mechanism, the triangular concave part, the triangular rib, the pointer and the positioning mark form a positioning mechanism, the null line pin, the live wire pin and the ground wire pin are variable plugs, the sliding rail is arranged on the upper portion of an inner cavity of the plug shell, and when the converter is connected with a wall power panel, the number of the pins of the converter can be changed. A two-hole power supply panel can be inserted, and a three-hole power supply panel can also be inserted.

A gas nozzle device with variable airflow protection and a method for using the same to repair turbine blades with precision laser welding of wire materials, the present invention belongs to the technical field of laser welding repair of aircraft engines and gas turbine blades. It solves the problem that the protection in the existing turbine blade laser welding repair process cannot simultaneously achieve simple operation, monitor the welding process, inhibit the oxidation of molten metal, metal vapor contamination and droplet splashing, as well as the quality of irregular multi-surface laser welding protection. The device consists of two arc-shaped cylindrical shells, a protective airflow net and a sealing cover, forming a first chamber, a second chamber and a third chamber, and a plurality of gas outlets are provided on the protective airflow net; the method is as follows: 1. Clamping and setting; 2. Symmetrical fixing on both sides of the blade clamping; 3. Performing precision laser welding repair with wire materials under a protective gas hood. The present invention is a gas nozzle device with variable airflow protection and using the same to repair turbine blades with precision laser welding of wire materials.

The application discloses a PTC heating device, which comprises a heating core, a heat-conducting aluminum pipe and a radiator, and an arc column reinforcing rib is arranged on one side of the heat-conducting aluminum pipe of the heating device. The application improves the strength of the heating device, eliminates the hidden danger of the interference between a fuse lead wire and a body, and meets a series of structural, technological and reliability effects such as compact structure, reliable work and safe use.

The utility model discloses an installation device for an arc-shaped support in a cable tunnel. The installation device comprises an installation device body located in the tunnel and an arc-shaped stand column connected with the installation device body. The mounting equipment body comprises a base frame and a hanging support rotating mechanism connected with the base frame; the hanging support rotating mechanism comprises a cross-shaped lifting assembly which comprises a lifting fixing frame connected with the base frame, a lifting moving frame matched with the lifting fixing frame and a cross-shaped sliding frame installed at the end of the lifting moving frame and in sliding fit with the base frame, and a lifting vertical lifting push rod with the output end connected with the lifting moving frame is arranged in the lifting fixing frame; the rotary opening assemblies are symmetrically arranged on the two sides of the cross-shaped lifting assembly. Compared with traditional lifting equipment, the arc-shaped support can be automatically installed, the installation efficiency is improved, the installation cost is reduced, narrow space is utilized, adverse factors are converted into favorable factors, the base frame has certain compression resistance and bending resistance due to the fact that the base frame is upwards ejected and downwards pressed, and the effects of balancing weight and stable lifting are achieved.

The utility model relates to the technical field of electric power transmission, in particular to an electric power transmission line hanging object processing device which comprises a device base, a movable rod is slidably inserted into one side of the device base, a preformed hole is formed in the surface of the device base, and a threaded rod is movably inserted into the preformed hole; an arc-shaped groove is formed in the surface of the moving rod, a push rod is slidably inserted into the arc-shaped groove, a square shell is fixed to one side of the moving rod, a fixing plate is fixed to the top end of the square shell, limiting columns are hinged to the two ends of the fixing plate, clamping blocks are fixed to one sides of the limiting columns, and arc-shaped columns are hinged to one sides of the clamping blocks; and a square block is hinged to the other end of the arc-shaped column. The arc-shaped column, the clamping block, the connecting rod, the square block and the push rod are matched for use, so that the purpose of improving the treatment stability can be achieved, a suspended object can be quickly and accurately clamped, and the treatment time is shortened.

The utility model relates to the technical field of X-ray machine auxiliary equipment, in particular to an X-ray machine transillumination support which comprises a bottom frame, a supporting frame, a supporting table, an electric push rod, a sliding rail and an auxiliary unit, the auxiliary unit comprises an arc column, a U-shaped plate, a connecting plate, a base, a sliding rod, a spring, a plurality of rolling rollers and a locking assembly, and the X-ray machine is placed on the supporting table; at the moment, the connecting plate shares the pressure borne by the supporting table, the gravity of the connecting plate can act on the U-shaped plate, the rolling roller abuts against the base to move rightwards in the U-shaped plate, so that the spring is compressed, the counter-acting force of the spring is facilitated to firmly drive the rolling roller to make contact with the arc column, and the locking assembly is used for fixing the X-ray machine. In this way, the pressure of the contact face of the supporting table and the sliding rail is shared, abrasion is reduced, and normal work of medical workers is guaranteed.

The utility model discloses an arc-shaped protection device and a goods shelf assembly, and belongs to the technical field of steel billet transportation. The protective device comprises a cross beam and stand columns arranged at the two ends of the cross beam. The cross beams and the stand columns jointly define a limiting space used for containing round billets to be transported. And the supporting surface of the stand column is an arc surface, and the supporting surface is in surface contact with the round billet to disperse the impact force of the round billet on the stand column, so that the fatigue damage degree of the stand column can be effectively reduced. In addition, the utility model further provides a goods shelf assembly, the characteristics that the head part of the arc column supporting surface is small and the root part of the arc column supporting surface is large are utilized, so that when the arc column supporting surface is subjected to a horizontal component force lever effect, equivalently, reinforcing ribs are used for clamping, and the torque resisting effect is obviously improved. Meanwhile, comprehensive stress analysis is carried out, and the lever effect of the component force in the horizontal direction borne by the arc-shaped stand column in the actual operation on the arc-shaped column and the torque effect generated by the lever effect are greatly attenuated.

The utility model discloses a kind of offshore floating body assembling simulators, it is related to simulation equipment technical field, including simulation practice room, still including having the teaching console of being arranged in the inside of simulation practice room, command post, driving console, visual imaging system and multiple workstations;The workstation includes deck operation operating platform, electromechanical equipment operating platform, winch operating platform, splicing hand workstation, the beneficial effects of the utility model are that: by using collective equipment, and using arc column curtain, the teaching control, command, driving control, deck operation, electromechanical equipment operation, winch operation, splicing hand operation etc. Operation involved in offshore floating body assembling process can be hardware supported, the non-real field simulation of floating body splicing is conveniently carried out, and the efficiency, effect of floating body assembling simulation operation is improved. Simulation operation can be carried out indoors, is not affected by weather, time, environment, improves the security of simulation operation, and reduces cost.

The present invention belongs to the technical field of nanomaterials and slurry preparation, and relates to a method for preparing highly conductive double-walled carbon nanotubes and an aqueous slurry of double-walled carbon nanotubes. The preparation method of the present invention controls the formation of a static arc column to obtain a large high-temperature reaction zone, then introduces a template to control the size of the main catalyst particles after evaporation, extends the reaction time of the main catalyst in the high-temperature zone, and uses a mixed carbon source, ultimately producing metallic highly conductive double-walled carbon nanotubes. Its Raman characterization is as follows: G / I D The initial purity of the product is above 70%, the yield is 30-100 g / h, and the powder conductivity can reach up to 1.56×10 5 S / m. This double-walled carbon nanotube has higher purity and yield, while also exhibiting excellent conductivity and dispersion stability. Using the same process, a highly conductive aqueous slurry can be prepared using a small amount of dispersant. The sheet resistance of the coated PET film is 50-350Ω / sq (transmittance 80%-95%), demonstrating superior commercial application value compared to similar products.

The application belongs to the technical field of column wrapping, and provides a circular-arc column wrapping aluminum veneer convenient to disassemble, which comprises an arc-shaped aluminum veneer body, a plurality of groups of installation grooves are formed in the side surface of the aluminum veneer body, and a clamping groove is formed in the aluminum veneer body at a position corresponding to the installation grooves, a moving frame is arranged in the installation groove, the moving frame extends out of the installation groove, and a limiting plate is slidingly installed at the end of the moving frame, an elastic member is fixedly installed on the moving frame, and the end of the elastic member away from the moving frame is fixedly connected with the limiting plate. Compared with the prior art, the beneficial effects of the application are as follows: through the fixation of the limiting plate and the fixed plate on the two groups of aluminum veneer bodies, when disassembling subsequently, the limiting plate is moved upward by the lower base plate to make the lower end of the limiting plate higher than the height of the fixed plate, so that the fixation is released, only one step is needed to release the fixation, and the disassembly efficiency of the aluminum veneer body is greatly improved.

The invention belongs to the field of starting switches, and discloses an arc extinguishing device, a starting switch and a method, and a composite arc extinguishing structure is formed by arranging an axially extending insulating cylinder on the moving path of a moving contact and a static contact, designing a continuous arc constraint unit on the inner wall and forming a heat dissipation groove in the outer wall. When an electric arc is generated, the inner wall restraining units force the electric arc to crawl along a spiral or broken line path through physical blocking, the electric arc length is remarkably prolonged, arc resistance is increased, and electric arc energy dissipation is accelerated; and meanwhile, the outer wall heat dissipation grooves quickly lead out the high temperature of the arc through air convection, and the arc column temperature and the ion concentration are reduced. The electric arc is fully stretched and cooled in a limited space through path extension, heat accumulation is continuously reduced through the heat dissipation grooves, and the electric arc cannot be reignited after current zero crossing is jointly promoted. The device effectively solves the problems of long arcing time and serious contact ablation of the original equipment, improves the large capacitive current breaking capacity, and eliminates the equipment stability and potential safety hazards caused by electric arc thermal erosion.

1. Name of the product in this design: Island Stand (Arc Column). 2. Purpose of this design: For storing and organizing items. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention provides an intelligent modularized photostudio atmosphere lamp and a using method, and belongs to the technical field of special atmosphere lamps for photostudios. Comprising a base, an arc-shaped column is arranged above the rear end of the base, a back plate is arranged on the inner side of the arc-shaped column, a push-pull module is arranged on the inner side of the upper end of the back plate, a front lamp is arranged at the front end of the push-pull module, and an arc-shaped groove is formed in the front side of the upper end of the base. A meshing motor is arranged to drive a meshing gear to be meshed with a meshing groove, an arc-shaped object formed by combining a sliding module and a supporting module extends forwards along an arc-shaped groove, and therefore the multiple sets of side lamps are driven to synchronously start to move, and a surrounding type irradiation area is formed on the front side face of the base; the multi-lamp cooperative work is achieved through cooperation of multiple sets of front lamps, displacement of the front atmosphere lamps and displacement of the side atmosphere lamps are controlled in an intelligent linkage mode through equipment, compared with a traditional mode that manual operation is needed during multi-lamp cooperation, more convenience is achieved, multi-lamp linkage control is achieved, and the light uniformity is not prone to being affected.