7005results about "Transformers/inductances casings" patented technology

The invention discloses a dry-type transformer. The dry-type transformer comprises a transformer body, a housing, a bottom plate and a fan, wherein the transformer body is formed by a plurality of groups of encapsulated windings in an array mode, a supporting rod is arranged at the bottom of the transformer body and allow the encapsulated windings in each group to connect with each other, the supporting rod is arranged in a crossed mode, and first threaded holes penetrate the supporting rod; the transformer body is integrally arranged in the cavity of the housing, and the bottom of the transformer body is fixedly positioned with the bottom plate, and meanwhile, the transformer body is arranged in the housing through the fan, the whole device achieves dispelling the heat in the transformerbody, and the graphite material of housing side is protruding simultaneously, and the heat from the housing is diffused quickly, and the protrusion of the array distribution can reduce the air great dust entering the inner wall of the housing through air vents.

The invention relates to the technical field of dustproof protection, and discloses an electronic transformer dustproof protection mechanism and a protection mechanism, the inner wall of the protection mechanism is fixedly provided with a dustproof assembly, and the inner wall of the protection mechanism is provided with an air suction assembly. The cooling fan is started to suck external air flow into the flow guide frame, the flowing speed of sand and dust in the air flow is reduced through the inclined panel, the motor is started to drive the rotating frame to rotate, the flowing speed of the air flow is reduced, the sand and dust with large air flow are settled, the sand and dust are pushed to fall into the arc-shaped dust discharging block in cooperation with frequent stretching-out of the inclined face ring, and the sand and dust are discharged through the arc-shaped dust discharging block. And finally, fine dust moving along with the air flow is filtered through a filter screen, the air flow dissipates heat of the electronic transformer, the air flow after heat dissipation flows out of an exhaust plate, through the application of the structure, the dust and the cooling air flow can be fully separated, and the dust is effectively prevented from directly making contact with the electronic transformer and polluting the electronic transformer.

The invention relates to the technical field of current measurement, and discloses an open-close type current transformer which comprises a lower shell, one side of the top of the lower shell is rotatably connected with an upper shell, semicircular iron cores are embedded in the lower shell and the upper shell, a copper wire is wound on the iron core located in the lower shell, two ends of the copper wire are fixedly connected with butt joints, and the butt joints are fixedly connected with the upper shell. The butt joint is embedded in the outer wall of one side of the lower shell, the side, close to the butt joint, of the lower shell is rotationally connected with a mounting plate, butt joint rods are fixedly connected to the sides, close to the butt joint, of the two ends of the mounting plate, two limiting holes are formed in the mounting plate, and two limiting seats are fixedly connected to the side, close to the mounting plate, of the lower shell. Each limiting seat is aligned with the corresponding limiting hole in the same side, mounting grooves are formed in the tops and the bottoms of the limiting seats, limiting blocks are slidably connected into the mounting grooves, and the problem that due to the fact that the positive electrode and the negative electrode are reversely connected, wiring copper wires need to be detached, and then winding work needs to be conducted by replacing the positions, and operation is troublesome can be solved.

The invention discloses a high-safety station explosion-proof transformer and a using method, and relates to the technical field of transformers. The explosion-proof transformer comprises a transformer body arranged in an explosion-proof shell, a plurality of cooling fins are arranged on the side portion of the transformer body, the explosion-proof transformer further comprises a pressure relief unit, the pressure relief unit comprises a plurality of pressure relief boxes arranged in the explosion-proof shell, and a pressure relief assembly is arranged in each pressure relief box; a pressure monitoring sensor for monitoring and releasing the internal pressure of the transformer main body is arranged in the pressure relief assembly, and an adjusting assembly and a heat dissipation assembly are arranged on each pressure relief box. The transformer has the advantages that multi-point pressure monitoring can be carried out on the interior of the transformer body, whether high voltage occurs in the transformer body or not is monitored in real time, targeted pressure relief and explosion prevention can be carried out on a high-voltage part after the high voltage is monitored, the heat dissipation range and the heat dissipation efficiency can be improved in a targeted mode according to the pressure relief condition, and the heat dissipation efficiency is improved. Synchronous explosion-proof treatment of the inside and the outside is realized, and the explosion-proof safety is higher.

The invention relates to the technical field of transformers, in particular to an anti-interference phase-shifting rectification dry-type high-capacity transformer which comprises a cooling channel, an air inlet system, an air outlet system and a compression system. The cooling channel is arranged between the high-voltage coil and the low-voltage coil; the air inlet system is connected with the mounting frame, and when the air inlet system works, low-temperature gas outside the anti-interference shell is sucked in, forms rotational flow and is fed into the cooling channel; the air outlet system is connected with the top of the anti-interference shell, and the compression system is connected with the air outlet system; low-temperature air is extracted from the outside and fed into the space between the high-voltage coil and the low-voltage coil in a rotational flow mode, dead-corner-free heat dissipation is guaranteed, the heat dissipation efficiency can be improved by changing the included angle between the low-temperature air and the horizontal plane during rotational flow along with heat change, heat is recycled for refrigeration, and the heat dissipation efficiency is further improved; the problem that due to heat accumulation in the anti-interference shell, air blown into the position between the high-voltage coil and the low-voltage coil by the draught fan is hot air and is not evenly distributed is solved.

The invention relates to the field of transformers, and discloses a dry-type power transformer and a using method.The dry-type power transformer comprises a supporting base, a protection box is installed on the top of the supporting base, openings are formed in the two sides of the protection box, the protection box is hinged to a box door through hinges, and through openings are formed in the two side walls of the protection box; a first dustproof mechanism and a second dustproof mechanism are installed at the positions of the through openings respectively, a supporting seat is fixedly installed at the top of the supporting base, a transformer body is fixedly installed on the supporting seat, two symmetrical supporting columns are arranged at the top of the supporting base, and a moving mechanism is installed at the top ends of the supporting columns. The first dustproof mechanism and the second dustproof mechanism are arranged on the two sides of the protection box, and a first dustproof net and a second dustproof net in the first dustproof mechanism and the second dustproof mechanism can be replaced conveniently, so that the use flexibility of the equipment is improved.

The utility model provides a transformer-based heat dissipation shell, which relates to the technical field of transformer shells and comprises a shell, a shell cover is mounted on the upper surface of the shell, a mounting hole is formed in the surface of the shell cover in a penetrating manner, a heat dissipation fan is mounted in the mounting hole, and a plurality of heat dissipation fins are arranged on the surfaces of the two sides of the shell at equal intervals. The screw rod is driven to rotate through the output end of the servo motor, meanwhile, the screw rod is made to move in the middle of the screw rod in a threaded sleeve mode, meanwhile, the screw rod can move as a guide plate, the dust screen is arranged between the inner walls of the observation openings, and the dust screen is arranged between the inner walls of the observation openings. When the guide plate moves, the guide plate drives the connecting rod and the moving plate to move at the same time, and meanwhile, the scraping plate and the brush are attached to the surfaces of the heat dissipation fins and the dustproof net to slide, so that dust on the surfaces of the heat dissipation fins and the dustproof net is cleaned, and the heat dissipation efficiency is improved.

The invention discloses a transformer explosion-proof protection device suitable for an extreme environment, and belongs to the field of oil-immersed transformers, the transformer explosion-proof protection device comprises a mounting rack, the upper surface of the mounting rack is fixedly connected with a transformer body, and the front side and the rear side of the upper surface of the transformer body are provided with a second binding post and a first binding post respectively; the front side and the rear side of the transformer body are fixedly connected with cooling fins. When the pressure in the transformer body reaches a certain threshold value, the piston pushes the sealing cover to move upwards, the sealing cover is arranged, the situation that the activated carbon plate is exposed in the natural environment for a long time, a large amount of dust and impurities are attached to the surface of the activated carbon plate, and consequently the activated carbon plate is blocked is avoided, and meanwhile the activated carbon is prevented from losing efficacy due to excessive dust adsorption; the efficiency of absorbing hydrogen and methane is reduced, purification and absorption are carried out through the activated carbon plate, hydrogen and methane in the gas are absorbed, pollution-free emission is carried out, and the influence of hydrogen and methane on the surrounding environment is avoided.

The utility model relates to the technical field of heat dissipation of dry-type transformers, and discloses a moisture-proof heat dissipation device of a dry-type transformer, which comprises an isolation shell and a dry-type transformer body bolted in the isolation shell, and further comprises a vertical rod bolted on one side of an inner cavity of the isolation shell, and a mounting frame is connected to the surface of the vertical rod in a sliding manner; through cooperation of the isolation shell, the supporting plate and the power mechanism, the transverse rod can transversely move in a reciprocating mode, through arrangement of the linkage mechanism, the installation frame can ascend and descend on the surface of the vertical rod, a draught fan can evenly dissipate heat of different areas of the dry-type transformer body, and through arrangement of a filter screen and sponge, the heat dissipation effect of the dry-type transformer body is improved. Through the arrangement of the air inlet mechanism, air in the air inlet pipeline can be filtered and subjected to moisture absorption treatment, through the arrangement of the auxiliary mechanism, sponge can be squeezed for drainage, a filter screen can also be cleaned, the air filtering effect is improved, and the situation that a large amount of humid air enters the transformer and is blown to the transformer is avoided.

The invention provides a self-adaptive distribution transformer for an active power distribution network. The transformer design comprises a transformer shell, and cooling fins are arranged on the periphery of the shell to improve the cooling efficiency. An air guide plate is arranged on one side of each cooling fin and composed of a first inclined plate, a second inclined plate and an arc-shaped turning plate, the first inclined plate and the second inclined plate are arranged in an inclined mode, and therefore air flow is enhanced, and air conduction loss is reduced. Water-cooling assemblies are arranged on the two sides of the transformer, rainwater is collected through a fixed water tank, and water-cooling heat dissipation is achieved through a bottom rainwater conveying assembly. By means of the design, the transformer can automatically adjust the heat dissipation mode according to environment changes, and the safety and energy efficiency of outdoor operation are improved.

The invention discloses an ultra-thin high-energy-storage-density inductor which comprises a shell, a cover plate arranged on the upper portion of the shell, cooling fins fixedly installed in the cover plate, an inductor body arranged in the shell, a shell cover fixedly connected to the bottom of the cover plate and a connecting assembly arranged on one side of the shell. The connecting assembly comprises a dismounting and mounting mechanism arranged on the upper portion of the shell, a heat dissipation mechanism is arranged on the side portion of the shell, a damping mechanism is arranged in the shell, the top of a positioning block is fixedly connected with a cover plate, a clamping rod movably penetrates through a movable groove to be clamped with a clamping groove, one end of a second spring is fixedly connected with a movable block, and the other end of the second spring is fixedly connected with a clamping groove. The outer end of the connecting rod is movably connected with the shell. The problems that a top cover of an existing device is inconvenient to disassemble manually, so that the interior of an inductor is inconvenient to overhaul and locate manually, and subsequent use of the device is affected are solved.

The invention relates to the field of marine transformers, and discloses a marine transformer with a protection mechanism, the marine transformer comprises a transformer oil tank and a mounting seat, the transformer oil tank is arranged above the mounting seat, a movable supporting structure is arranged in the middle of the upper surface of the mounting seat, and the transformer oil tank is arranged on the mounting seat through an external protection structure; a mounting frame is fastened in the middle of the lower inner wall of the transformer oil tank, a winding is mounted on the mounting frame, and oil sliding up and down in the transformer oil tank can be blocked through an internal protection structure when the ship body shakes up and down to drive the oil to slide, so that the upper side face and the lower side face of the transformer oil tank are protected; the problem that the upper side face and the lower side face of the transformer oil tank deform due to impact is reduced, the upper side face and the lower side face of the transformer oil tank can be protected outside the transformer oil tank through the external protection structure and the auxiliary protection structure, and the protection effect is better.

A coil component includes a core including a winding core portion, a first flange portion, and a second flange portion, and a first wire and a second wire that are wound around the winding core portion in the same direction and that form a winding portion. The winding portion includes a second intersecting portion along a third side surface of the winding core portion at a position on the winding portion nearest to the second flange portion.

The utility model discloses a current transformer, which relates to the technical field of current measurement, and comprises a current transformer body, the upper surface of the current transformer body is fixedly connected with two connecting pieces, one side of the current transformer body is provided with an adjusting structure, and the adjusting structure comprises a long rod. One end of the long rod is fixedly connected with the current transformer body, the arc surface of the long rod is slidably connected with a long pipe, the arc surface of the long pipe is rotatably connected with a screw rod, the arc surface of the screw rod is in threaded connection with a connecting plate, the lower surface of the connecting plate is fixedly connected with an adjusting rod, and the lower end of the adjusting rod is fixedly connected with a limiting plate. According to the current transformer, the effect that the current transformer body can flexibly move forwards, backwards, leftwards and rightwards within a certain range of a distribution box is achieved, and the problem that the current transformer body is relatively fixed after being installed, so that holes need to be formed again for installation after the line layout in the distribution box is changed, and the overall complexity degree is improved is solved.

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a transformer finned radiator convenient to maintain, which comprises an oil tank, a shell, an electric turntable and the like, a wind direction sensor is arranged on the oil tank; an oil tank is fixedly connected inside the shell; a chamber is arranged between the shell and the oil tank; the chassis is fixedly connected with an electric turntable, and a rotating part of the electric turntable is fixedly connected with the shell; a plurality of air inlets are formed in the surface of the shell, and air outlets opposite to the air inlets are formed in the surface of the shell; a plurality of cooling fins are fixedly connected to each side of the oil tank, cavities are formed in the cooling fins, and the cooling fins penetrate through the shell; a plurality of ventilation holes are formed in the portion, located in the cavity, of the cooling fin. The heat dissipation device has the advantages that in the heat dissipation process, the electric rotating disc drives the oil tank and the shell to rotate, external air is introduced into the cavity and flows in the cavity, cooling oil and cooling fins in the oil tank are subjected to primary heat dissipation, and the heat dissipation effect is improved.

The invention discloses an inductor heat dissipation installation structure, an integrated heat dissipation inductor structure and a converter, and the structure comprises a liquid cooling radiator which is internally provided with a first liquid cooling flow channel, is suitable for the circulation of a cooling liquid, and is provided with a heat dissipation surface; the liquid cooling radiator is provided with a first interface and a second interface which are communicated with the inlet end and the outlet end of the first liquid cooling flow channel; the inductor shell is defined by the side plates in the circumferential direction and located on the heat dissipation face so as to be matched with the liquid cooling radiator to form a containing cavity suitable for containing the inductor body; a second liquid cooling flow channel is arranged in a side plate of the inductor shell and is suitable for circulating cooling liquid, and a third interface and a fourth interface which are used for forming an inlet end and an outlet end of the second liquid cooling flow channel are formed in the side plate; at least part of the bottom surface of the accommodating cavity is a heat dissipation surface; the first connector communicates with the third connector, and the second connector communicates with the fourth connector. By adopting the inductor heat dissipation mounting structure, the heat dissipation effect of the inductor can be improved.

The invention discloses a transformer with a noise reduction function, and relates to the technical field of transformers, the transformer comprises a shell, an air outlet and an air inlet of the shell are formed in the upper side and the lower side respectively, a connecting shell is fixedly connected to the top of the shell, and a plurality of transformer bodies are arranged in the shell; a radiator used for radiating heat of the transformer body is arranged in the shell, air cylinders symmetrically distributed along the shell are fixedly connected into the shell, and a fixing frame is fixedly connected to the side, close to an air outlet, of the interior of the shell. The multiple first sound absorption plates distributed in the N shape are arranged close to the air outlet, a complex labyrinth type airflow channel is formed, sound waves need to be reflected and refracted multiple times in the transmission process, part of sound wave energy can be consumed in each reflection, meanwhile, noise can be prevented from being transmitted out from hinge shaft seams of the first rotating plates through the noise reduction pads, and therefore the noise reduction effect is improved. The leakage of most noise is blocked, so that the effect of attenuating the noise is achieved.

The invention relates to the field of transformers, in particular to a high-heat-dissipation type transformer with an inner air guide pipe structure and a using method thereof.The high-heat-dissipation type transformer comprises a protective shell, a heat dissipation base is fixed to the inner wall of the protective shell, a transformer body is fixedly connected to the top end of the heat dissipation base, and heat dissipation fins are fixed to the two side walls of the transformer body; a cooling pipeline is fixed to the side wall of the protective shell, and an air outlet pipeline is fixed to the side wall of the other side of the protective shell. According to the high-heat-dissipation type transformer with the inner air guide pipe structure, driven fan blades are arranged to drive a plurality of air suction fan blades to rotate, hot air flow on the upper layer of the protective shell enters through an air inlet, is discharged through the driven fan blades again, is collected with hot air flow in an air outlet pipeline and is discharged, the air displacement is increased, and circulation of the air flow is increased, so that the heat dissipation efficiency of the transformer is improved. And heat exchange operation is accelerated, and heat dissipation is facilitated.

The invention discloses an amorphous alloy transformer with a buffer protection function, and relates to the technical field of transformers, a plurality of protection springs are installed at the bottom end of the inner side of an outer fixing integration box at equal intervals, an inner fixing treatment box is fixed to the top ends of the protection springs, and a top sealing fixing plate is fixed to the top end of the inner fixing treatment box; the fixed dampers are symmetrically installed at the bottom end of the inner side of the outer fixed integration box, and the elastic rubber blocks are installed at the top ends of the fixed dampers. The problems that in the prior art, due to factors such as magnetic field changes, electromagnetic force imbalance and uneven cooling speeds of silicon steel sheets and windings, equipment generates large-amplitude vibration and noise are effectively solved; according to the invention, the equipment is prevented from generating resonance reaction due to the influence of vibration and noise, so that the protection treatment of transformer parts is realized, the damage speed of the parts is reduced, the circulating cooling and the three-section linkage cooling are matched, the temperature of the transformer during continuous operation is effectively reduced, and the service life of the transformer during operation is prolonged.

The present invention relates to the technical field of dry-type transformers, and discloses a novel noise-reducing dry-type transformer, including a bottom plate, a protective frame fixedly connected at the top edge of the bottom plate, two inspection doors arranged on one side of the protective frame, rubber pads fixedly connected at the top of the bottom plate near the four corners inside the protective frame, the tops of the four rubber pads fixedly connected with the same dry-type transformer, a rectangular frame fixedly connected at the top of the outer wall of the bottom plate, and the rectangular frame is connected to the bottom plate, a rectangular hole is opened at the top of the rectangular frame, two side straight holes are opened on both sides of the rectangular frame, and first T-shaped blocks are slidably connected at both ends of the two side straight holes at the top. The present invention realizes that the active heat dissipation efficiency of the dry-type transformer is effectively improved without affecting the natural heat dissipation and noise reduction function of the dry-type transformer, and an optimized balance between noise reduction and heat dissipation performance is achieved, thereby improving the overall operational stability and reliability of the dry-type transformer.

The invention relates to the technical field of transformers, in particular to an oil-immersed power transformer which comprises a hollow rod, a first round rod, a first piston, a first spring, a cylinder, a second round rod, a second piston, a limiting block and a ventilation assembly. A hollow rod is fixedly connected to the diaphragm; a first round rod is slidably connected to the hollow rod. A first piston is fixedly connected to the first round rod and makes contact with the lower end of the hollow rod. A cylinder is fixedly connected to the box body; through cooperation of the hollow rod, the first round rod, the first piston, the first spring, the cylinder, the second round rod, the second piston, the second spring and the limiting block, pressure relief operation can be automatically completed when pressure in the transformer body is increased abnormally, and therefore the transformer body can be protected; and the transformer oil sprayed out at a high speed can be intercepted and prevented from being sprayed to the outside to pollute the environment, the intercepted transformer oil is gathered on the upper side of the diaphragm, manual collection of the transformer oil can be facilitated, and waste is avoided.

The invention discloses a low-loss double-reverse-star rectifier transformer for a hydrogen production system, and relates to the technical field of double-reverse-star rectifier transformers, the low-loss double-reverse-star rectifier transformer comprises a box body, cooling fins, a coil, a connector lug, a supporting box and a cooling module, the cooling fins are installed on the outer wall of the box body, the coil is installed on the inner wall of the box body, the connector lug penetrates through the top of the box body, and the supporting box is arranged in the box body. One end of the connector lug is connected with the outer wall of the coil, and a supporting box is installed on the outer wall of the box body. The oil pump is started to suck transformer oil in the box body into the continuous bow-shaped pipe, at the moment, the first fan is started to generate wind power to blow to the surface of the continuous bow-shaped pipe, so that the transformer oil in the continuous bow-shaped pipe is cooled, and the cooled transformer oil enters the box body again through the discharge head; at the moment, a first motor rotates to drive a first beating head to rotate, the first beating head rotates to drive a T-shaped frame to move, the T-shaped frame moves to drive a first spring to move, and the first spring moves to enable the T-shaped frame to drive a ram to move.

The invention belongs to the technical field of oil-immersed transformers, and particularly relates to an oil-immersed transformer with a heat dissipation structure, which comprises a transformer shell, an oil cooling mechanism is arranged on the outer wall of the transformer shell, a mounting seat is fixedly connected to the inner wall of the transformer shell, and a heat absorption sheet is fixedly connected to the bottom of the mounting seat. And a heat dissipation opening is formed in the bottom of the transformer shell, a filter screen is fixedly connected into the heat dissipation opening, and a heat removal cleaning device and an auxiliary cleaning device are arranged below the mounting base. According to the oil-immersed transformer with the heat dissipation structure, by using the heat removal cleaning device, when the temperature in the transformer shell is high and the temperature detected by a temperature sensor reaches the specified temperature of a controller, a double-shaft motor is started, an output shaft of the double-shaft motor rotates to drive a rotating shaft to rotate, and then a heat removal fan is driven to rotate; and heat of the heat absorption sheets is discharged outwards through the heat dissipation openings, so that the heat dissipation effect of the oil-immersed transformer is improved.

The invention relates to the technical field of transformers, and discloses a transformer with dustproof and moistureproof functions. Comprising a rotary dust removal mechanism, a variable-frequency heating and dehumidifying mechanism, an induction coil which is fixedly mounted in a second gas flowing cylinder and cooperates with a high-frequency current generator to generate an alternating magnetic field phenomenon, and a metal rod which is mounted in the center of the induction coil and generates a heating phenomenon after being influenced by the alternating magnetic field. According to the transformer with the dust-proof and moisture-proof functions, the dust-proof effect can be achieved on gas entering the transformer protection cabinet, the filter cover used for dust removal rotates at a high speed, the gas attached to the outer surface of the filter cover can be thrown away by centrifugal force, and therefore the normal working time efficiency of the filter cover is guaranteed; the device can perform a heating dehumidification effect on dedusted gas, so that humid gas is prevented from entering a transformer protection cabinet, the working environment of a transformer is improved, and the effective service life of the transformer is prolonged.

The invention relates to the technical field of transformer heat dissipation, in particular to an oil cooling radiator for a transformer, which comprises a shell, an oil conservator, a telescopic driving piece, cooling fins and the like, electrical elements are arranged in the shell; an oil conservator used for stabilizing the oil pressure in the shell is arranged on the shell; the oil conservator is communicated with the interior of the shell; a plurality of telescopic driving pieces are arranged on the shell; the telescopic ends of every two telescopic driving pieces which are opposite in the front-back direction are jointly and fixedly connected with a plurality of cooling fins used for conducting heat dissipation on insulating oil. The cooling fins are made of heat conduction materials. And each radiating fin is of a hollow structure. The oil leakage part of the welding seam of the cooling fin is blocked through the rubber scraping strip and the blocking plate, insulating oil is prevented from continuously leaking, the insulation performance of electrical components in the transformer is prevented from being reduced, faults such as short circuit and discharge caused by insufficient insulation strength are reduced, and meanwhile it is avoided that follow-up maintenance work is affected by insulating oil leakage.

The utility model discloses an outdoor dry-type transformer which comprises a dry-type transformer body and a base fixedly connected to the bottom end of the dry-type transformer body, the bottom of the base is rotationally connected with a threaded column through a shaft seat, the threaded column penetrates through an adjusting frame and is in spiral connection with the adjusting frame, and the bottom end of the adjusting frame is welded to the surface of a bottom plate. Telescopic frames are fixedly connected to the positions, close to the corners, of the upper surface of the bottom plate. The base plate is fixedly installed on the supporting face, the threaded column is axially rotated relative to the adjusting frame through tools such as a wrench according to the requirement for the installation height of the dry-type transformer body, the base drives the dry-type transformer body to stably move in the longitudinal position under the assistance of the shaft seat and the limiting effect of the telescopic frame, the moving process is smooth and stable, and the application range is wide. The telescopic frame is fixedly connected with the base through the supporting frame, the supporting frame reinforces the base, the telescopic frame pushes and pulls the base to move longitudinally, and after adjustment is completed, a locking hand wheel of the telescopic frame is screwed to fix the height.

The utility model discloses a dry type three-dimensional roll iron core transformer, including transformer body, shell and radiating fin, transformer body is fixedly connected in the interior of shell, shell is triangular setting, radiating fin all is provided on the triangular face of shell, the inner side of radiating fin is fixedly connected with slider, and the slider is fixed in the shell. The two sliding blocks are symmetrically arranged about the central axis of the cooling fin, and sliding grooves used in cooperation with the sliding blocks are formed in the surface of the shell. According to the utility model, by arranging the modularized radiating fins, the radiating fins can be singly replaced, so that the replacement cost of the radiating fins is reduced, and the problems that in the actual use process, the equipment adopts an integrated structure of the shell and the radiating fins, when an operator needs to replace the radiating fins, the whole shell needs to be replaced, and the replacement cost is reduced are solved. And the radiating fins on one side cannot be replaced independently, so that the later maintenance cost is increased.

The present invention relates to the technical field of transformers, and discloses a transformer with a shock-absorbing function, including a transformer body. A protective inner shell is fixedly connected to the outer surface of the transformer body. Sliding seats are fixedly connected to the upper and lower sides of the protective inner shell. A horizontal sliding rod is slidably connected to the inner surface of the sliding seat. Protective outer shells are fixedly connected to both ends of the horizontal sliding rod. Vertical sliding rods are fixedly connected to the upper and lower sides of the inner wall of the protective outer shell. In the present invention, the sliding seat slides left and right on the horizontal sliding rod and presses the spring. After the spring absorbs the shock, the vibration force is reduced, avoiding damage to the transformer body. The two sliding shafts pull the tension spring, thereby forming a tension on both sides of the protective inner shell. The tension enables the transformer body and the protective inner shell to stop quickly and reduce wear, playing a better protective role for the transformer body.

The invention discloses a transformer with a leading-out mechanism, and relates to the technical field of transformers. The transformer comprises a transformer body, a plurality of high-voltage wire outlet ends are fixed to one side of the top of the transformer body, a plurality of low-voltage wire outlet ends are fixed to the other side of the top of the transformer body, a protective shell is fixed to the top of the transformer body, and a plurality of vertical plates are fixed to the top of the transformer body; and an opening for accommodating the vertical plate is formed in one side of the protective shell. Through the arrangement of the anti-dragging device, the screw rod, the arc clamping plate and the limiting rod are matched to drive the arc clamping plate to clamp and fix the guide wire, so that the guide wire can be firmly fixed at a specified position, and the situation that the guide wire is loosened or falls off due to external force (such as collision or dragging of a worker during operation) is reduced; therefore, the stability of electrical connection can be ensured, and the problem of electrical failure or poor contact is avoided.

The invention discloses a hybrid heat dissipation type power transformer, and relates to the technical field of power transformers. The dry-type transformer comprises a mounting box, a dry-type transformer body and a mixed heat dissipation system. A cooling fan and an air outlet barrel are arranged at the rear end of the mounting box, a fan rotating shaft is connected with a self-cleaning filter barrel cover, vibration dust removal of the filter barrel cover is achieved through cooperation of a spring, a brush plate and a knocking spherical surface, and dust enters a detachable collecting box through a collecting opening. Profiling cooling fins are arranged in the mounting box and tightly attached to the transformer body, liquid cooling heat dissipation is carried out on the outer portion of the mounting box through a C-shaped cooling fin assembly, and cooling liquid is circularly cooled through the cooling box. The box door is provided with a dustproof air inlet and a rain shielding structure. By combining the air cooling and liquid cooling dual heat dissipation modes, the rotating shaft drives the brush plate to be matched with the filter cartridge cover supported by the spring, dust on the filter screen is automatically cleaned, blockage is avoided, continuous and efficient work of the heat dissipation fan is guaranteed, the internal temperature of the transformer is effectively reduced, equipment damage caused by heat accumulation is avoided, and the service life is remarkably prolonged.