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5424results about "Transformers/inductances cooling" patented technology

Transformer equipment oil leakage monitoring method and system based on image recognition

The invention discloses a transformer equipment oil leakage monitoring method and system based on image recognition, relates to the technical field of image processing, and effectively eliminates static background interference by constructing a standardized image sequence S (t), performing gray gradient analysis and pixel feature extraction, recognizing candidate oil spot areas and constructing a disturbance active score Sx. The edge structure and the morphological stability coefficient of the dynamic oil stain suspected area are further extracted, and the credible level quantitative judgment of the dynamic oil stain suspected area is realized by integrating the characteristic indexes and the morphological stability coefficient, so that the dynamic identification capability and the anti-interference capability are realized; the oil leakage identification accuracy and the system automation risk response capability in a complex environment are improved, false alarm and missing alarm are effectively avoided, and the operation safety of equipment is guaranteed.
Owner:SHANDONG DACHI ELECTRIC

Intelligent adjusting system and method for transformer

The invention belongs to the technical field of power system control, and discloses an intelligent adjusting system and method for a transformer. The method comprises the following steps: inputting transformer operation data and weather data collected in real time into a pre-trained load prediction model to obtain predicted load data; inputting the acquired physical parameters and operation data and preset calibration parameters into a pre-constructed digital twinborn model to obtain a cooling capacity index; calculating the total heat source power of the copper loss and the iron loss according to the predicted load data and the electrical parameters of the transformer collected in real time, and dynamically quantifying the balance state of the total heat source power and the cooling capacity index through a matching degree evaluation function in combination with the cooling capacity index to obtain a matching degree evaluation index; and the problem of dynamic unbalance between the heat dissipation capability of the transformer and the load demand in an extreme environment is systematically solved.
Owner:WENZHOU ROCKWILL ELECTRIC CO LTD +1

Dry-type transformer

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.
Owner:GUANGZHOU GAOTIE MEASUREMENT & TESTING CO LTD

High-frequency small planar transformer

The invention relates to the technical field of transformers and discloses a high-frequency small planar transformer which comprises a transformer body, the transformer body comprises a lower magnetic core, an upper magnetic core is installed at the top end of the lower magnetic core, and a base plate, a cooling mechanism and a distance adjusting mechanism are arranged on the inner side of the upper magnetic core and the inner side of the lower magnetic core correspondingly. The cooling mechanism is arranged on the transformer body, more excellent heat dissipation and installation functions are achieved, a movable frame and a pull block are driven to move through reset of a first spring, an insertion block is clamped into a positioning groove to form an inverted-L-shaped layout, an upper magnetic core is transversely and longitudinally limited, and the upper magnetic core can be conveniently and rapidly installed. And meanwhile, the substrate is in contact with the cavity network, the internal high-performance fluorinated liquid absorbs heat and is changed from a liquid state to a gas state, enters the condenser through the conveying pipe after phase change, is cooled by the cooling fins to be in a liquid state and then circulates back to the cavity network through the water pump and the conveying pipe, local overheating is avoided, and the heat dissipation efficiency is improved.
Owner:JIANGXI HIGH NEW CHAOYUE PRECISION ELECTRONICS

Electronic device

An electronic device has a substrate, a signal wiring and a heat radiating wiring. The substrate has one surface and the other surface opposite to the one surface. The signal wiring is formed on an insulating layer of the substrate. The heat radiating wiring is formed on the insulating layer and thermally connected to the signal wiring on a same plane as the signal wiring.
Owner:DENSO CORP +2

Dustproof protection mechanism for electronic transformer

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.
Owner:YANCHENG JIALI ELECTRIC APPLIANCE CO LTD

Cooling method and device based on local heat source distribution in transformer and electronic equipment

The invention discloses a cooling method and device based on local heat source distribution in a transformer and electronic equipment, and relates to the field of electrical engineering. The method comprises the following steps: acquiring temperature data at a plurality of preset positions in the transformer; based on the temperature data, a three-dimensional temperature field model reflecting distribution characteristics of a heat source in the transformer is established, and the three-dimensional temperature field model comprises temperature distribution and heat conduction characteristic parameters in the transformer; calculating a space coordinate and a thermal power parameter of a local heat source in the transformer by using the three-dimensional temperature field model; according to the space coordinates and the thermal power parameters, a target cooling area of the transformer cooling system and corresponding cooling strength parameters are determined, and the cooling strength parameters comprise the flow, the flow velocity and the temperature of a cooling medium; and the working state of the transformer cooling system is controlled according to the cooling intensity parameter, so that the transformer cooling system cools the target cooling area. By implementing the technical scheme provided by the invention, the cooling effect is improved.
Owner:GANWEI TECH (JIANGSU) CO LTD

Direct-current transformer for power distribution network

The invention relates to the technical field of direct-current transformers, in particular to a direct-current transformer for a power distribution network, which comprises an iron core, a coil and insulating oil, an insulating assembly is arranged between the coil and the iron core, and the insulating assembly comprises an insulating paperboard, an insulating cushion block, an insulating contour semi-ring and a semi-ring groove, the insulating paper board is of a structure with a round inner wall and an octagonal outer wall. Through the unique design of the insulating paperboards, the insulating partition strips and the insulating partition blocks, the longitudinal oil ducts and the transverse oil ducts are effectively reserved, the oil flow path of the transformer is optimized, the cooling efficiency is improved, and stable operation of the transformer is ensured; through the bisection splicing structure of the insulating cardboard and the overturning action of the insulating parting strip, the quick clamping assembly of the insulating cardboard and the iron core is realized, the time for adapting the winding on site is saved, the tightness and uniformity of the winding are improved, and the reliability and safety of the transformer are enhanced.
Owner:鲜伏林

High-power miniature electronic transformer

The invention discloses a high-power miniature electronic transformer, and relates to the technical field of miniature transformers, the high-power miniature electronic transformer comprises a main body, the main body comprises a lower magnetic core, the top end and the inner side of the lower magnetic core are respectively provided with an upper magnetic core and a base, one side of the outer surface of the base is provided with pins and an adjusting mechanism, and the outer surface of each pin is provided with a heat dissipation mechanism. Fixing mechanisms are arranged on the surfaces of the upper magnetic core and the lower magnetic core, more excellent compatibility and space utilization rate are achieved, a threaded rod is taken down through a rotating handle, then a clamping block is driven to move by moving a connecting rod, and then a reset spring is driven by the clamping block to stretch out and draw back on the inner side of a containing groove. Then the number of the pins can be reduced or increased according to the size of the space, adjustment of the distance between the pins is completed, then the clamping blocks drive the multiple sets of pins to move synchronously through resetting of the reset springs, and the pins of different sizes can be replaced according to needs to adapt to different placement spaces.
Owner:JIANGXI HIGH NEW CHAOYUE PRECISION ELECTRONICS

Marine transformer with anti-impact structure

The invention relates to the technical field of transformers, in particular to a marine transformer with an anti-impact structure, which comprises a transformer main body, a base and a buffer box, and is characterized in that the transformer main body is horizontally limited and mounted on the base through a movable frame, and a buffer spring is arranged between the transformer main body and the base and is used for absorbing fine vibration during ship navigation; the buffer box is flexibly connected to the top of the transformer body through the supporting spring to adjust the oil quantity of the transformer body; a dynamic locking mechanism composed of a floating frame and a movable ball is arranged in the base, the movable ball supports the floating frame so that the transformer body can freely buffer vibration, and when a ship inclines greatly, the movable ball deviates so that the floating frame can move downwards. An oil fluctuation protection structure composed of an arc panel and a movable rod is arranged on the inner wall of the buffer box, when oil shakes violently, the movable rod is pushed to move outwards, and a lever type supporting rod is linked to make a bottom rubber wheel abut against the ground to form lateral supporting; the purpose of improving the marine impact resistance of the oil-immersed transformer is achieved.
Owner:JIANGSU HAICHUAN ELECTRICAL MFG CO LTD

High-safety station explosion-proof transformer and use method

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.
Owner:SUPER HIGH VOLTAGE BRANCH OF STATE GRID JIBEI ELECTRIC POWER CO LTD

Anti-interference phase-shifting rectification dry-type high-capacity transformer

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.
Owner:鲜伏林

Ultra-large-capacity dry-type transformer with variable load

The invention discloses a load-variable ultra-large-capacity dry-type transformer, and relates to the technical field of dry-type transformers, the load-variable ultra-large-capacity dry-type transformer comprises three groups of main iron core columns and three groups of auxiliary iron core columns, the section of each main iron core column is in a stepped shape, and three layers of amorphous alloy belts are laminated in each main iron core column; the thickness of the middle layer of the three layers of amorphous alloy belts is set to be 1.2-1.5 times that of the two side layers, and independent lap joint pieces are arranged at the joints of the lamination sets in the auxiliary iron core column. The stepped sections of the three groups of main iron core columns are combined with the magnet yokes with thin tops and thick bottoms, so that the magnetic flux density is uniformly distributed, the capacity of a single column is improved, the problems that the capacity of a single traditional dry-type transformer is limited and the whole transformer needs to be replaced during capacity expansion are solved, the occupied area is reduced through modular splicing, the capacity of a single group of iron core columns is increased, and the no-load loss is reduced.
Owner:JIANGSU RYAN ELECTRIC LTD BY SHARE LTD

Transformer explosion-proof protection device suitable for extreme environment

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.
Owner:YANGZHOU SAIWEIER ELECTRIC POWER CO LTD

Air-cooling and water-cooling integrated dry-type transformer

The invention provides an air-cooling and water-cooling integrated dry-type transformer, and relates to the field of transformers. The air-cooling and water-cooling integrated dry-type transformer comprises a transformer body, an annular gap is reserved between a primary winding insulating layer and a secondary winding insulating layer of the transformer body, a cooling pipeline is installed in the annular gap, a liquid inlet channel and a liquid outlet channel are arranged in the cooling pipeline, and the section of the cooling pipeline is in an 8 shape; according to the air-cooling and water-cooling integrated dry-type transformer, air cooling and water cooling are cooperatively used for heat dissipation, the heat dissipation efficiency is improved, the 8-shaped cooling pipeline is arranged, cooling liquid circularly absorbs heat of the winding through the liquid inlet channel and the liquid outlet channel, the spiral design increases the contact area and duration, the air cooling channel conducts double air cooling on the surface of the winding and the surface of the cooling liquid pipeline through the air spraying holes, and the cooling efficiency is improved. And the splayed structure of the gas spraying holes promotes gas-liquid heat exchange, the synergistic effect of assisting water cooling with air cooling and promoting air cooling with water cooling is formed, and the heat dissipation efficiency is greatly improved.
Owner:大唐黑龙江新能源开发有限公司

Vacuum degassing and automatic oiling equipment for transformer

The invention discloses vacuum degassing and automatic oiling equipment for a transformer, and relates to the technical field of transformer oiling. Comprising an oil injection device, the bottom of the oil injection device is provided with an anti-bubble suction part, and the anti-bubble suction part is used for preventing bubbles; a mistaken suction prevention part is mounted on the bubble prevention suction part; the mistaken suction prevention part is used for preventing transformer oil from being sucked mistakenly; a floating lifting adapter is mounted on the oil injection device; a film spacer is mounted on the floating lifting adapter; the film spacer is used for spacing new oil and old oil; the thin film spacer can be matched with the floating lifting adapter, so that new oil and old oil are isolated during oil change, mixing of the new oil and the old oil can be reduced, oil change quality is improved, and waste of the new oil is reduced; the problems that an existing transformer vacuum degassing automatic oiling device can only conduct small-amount oiling generally when a transformer does not stop working, and new and old oil isolation replacement oiling is not convenient to conduct are solved.
Owner:SHANDONG TAISHAN ELECTRICAL ENG & EQUIP CO LTD

Ultra-thin inductor with high energy storage density

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.
Owner:NINGBO YURUN MACHINERY CO LTD

Transformer finned radiator convenient to maintain

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.
Owner:CHANGSHU YOUBANG RADIATOR

Inductor heat dissipation installation structure, integrated heat dissipation inductor structure and converter

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.
Owner:XIAMEN KEHUA DIGITAL ENERGY TECH CO LTD

Transformer with noise reduction function

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.
Owner:ZIXING HUIHUA ELECTRONICS CO LTD

High-heat-dissipation dry-type transformer

The invention relates to the technical field of dry-type transformers, and discloses a high-heat-dissipation dry-type transformer which comprises a transformer body and fixing supports arranged at the upper end and the lower end of the transformer body, the transformer body comprises an iron core, a low-voltage winding, a heat dissipation cylinder and a high-voltage winding, and the heat dissipation cylinder comprises a lower air inlet cavity, an upper air outlet cavity and a heat dissipation cavity. The heat dissipation cavity comprises a first heat dissipation shell and a second heat dissipation shell, a first annular cavity is formed between the first heat dissipation shell and the second heat dissipation shell, a second annular cavity is formed between the second heat dissipation shell and the high-voltage winding, multiple sets of rotary air cooling assemblies are arranged in the second annular cavity in the circumferential direction, and multiple air guide blades are rotationally arranged at air outlets of the rotary air cooling assemblies; the rotary air cooling assembly is provided with a driving assembly for driving the air guide blades to swing up and down, so that the airflow direction of the rotary air cooling assembly can be changed, and balanced and rapid heat dissipation is achieved. According to the heat dissipation cylinder, the airflow channel of the first annular cavity is matched with the rotary air cooling assembly capable of changing the airflow direction of the second annular cavity for heat dissipation, and the heat dissipation uniformity is improved.
Owner:GUANGXI WEIKETE ELECTRIC CO LTD

Method and device for controlling electromagnetic loss of power transformer in intelligent power grid environment

The invention provides a power transformer electromagnetic loss control method and device in an intelligent power grid environment, and relates to the field of intelligent power grids, and the method comprises the steps: carrying out the cooling demand prediction of a transformer according to a predicted power load sequence and a space temperature sequence, and outputting a predicted cooling load sequence; and with meeting of the predicted cooling load sequence as a constraint and minimization of energy consumption and oil temperature fluctuation as optimization targets, cooling parameters of the forced oil cooling device are optimized, an optimal cooling parameter sequence is output, and the forced oil cooling device is controlled to dissipate heat of the transformer. The method aims to solve the technical problems that a traditional control method lacks cooling strategy dynamic adjustment capacity, temperature rise abnormity is prone to occurring in a high-load or high-temperature environment, transformer iron core loss and winding loss are remarkably increased, and electromagnetic loss is high, accurate and efficient cooling control can be achieved, the electromagnetic loss is effectively reduced, and the service life of a transformer is prolonged. And the operation efficiency and stability of the transformer are improved.
Owner:JIANGSU HUASHENG ELECTRIC POWER TECHNOLOGY CO LTD

High-heat-dissipation dry-type transformer

The invention discloses a high-heat-dissipation dry-type transformer. The high-heat-dissipation dry-type transformer comprises a transformer body and a supporting bottom block, wherein the supporting bottom block is used for supporting and installing the transformer body; the air guide assembly is detachably installed above the supporting bottom block and used for feeding air into the transformer body so as to accelerate air flowing; the diffusion assembly is arranged on the transformer body and used for diffusing and changing the area and direction of air supplied by the air guide assembly, and the air guide assembly can guide the air output by the air blower into the transformer body to form forced convective circulation; air entering the transformer body diffuses the coverage area range of the air through the diffusion assembly, the heat dissipation capacity of the winding and the iron core is further improved, meanwhile, the vertically-entering air is adjusted to be in a spiral rising state, the standing time of the air flow in the transformer body is prolonged through the centrifugal effect, and the heat dissipation efficiency is improved. Meanwhile, the contact area range with the winding and the iron core is increased, and the heat exchange efficiency is enhanced.
Owner:湖南泽楠智能科技有限公司

High-safety transformer

The invention relates to the technical field of transformers, in particular to a high-safety transformer which comprises a transformer body and a monitoring mechanism, and the monitoring mechanism comprises a processor, a base, a control core, a driving wheel and a visual assembly. The base is provided with a containing cavity, an input flow channel and an output flow channel, the input flow channel and the output flow channel extend to the containing cavity, and the other ends of the input flow channel and the output flow channel communicate with an oil tank. A filtering assembly is arranged in the output flow channel, and the visual assembly is embedded in the inner wall of the output flow channel. The control core is rotationally matched with the containing cavity and provided with a radial through hole, and a control rod is arranged in the radial through hole in a sliding fit mode. The driving wheel is rotatably matched with the base. One end of the control rod is eccentrically hinged to the driving wheel. The visual component is used for acquiring image data of the surface of the filter component, and the processor is used for evaluating the impurity content in the insulating oil according to the impurity quality of the surface of the filter component. According to the utility model, the automatic monitoring of the insulating oil can be realized in the operation process, prompts can be given out in time, and the safety supervision strength is effectively improved.
Owner:SICHUAN SPECIAL TRANSFORMER FACTORY

Oil-immersed power 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.
Owner:JIANGSU CHANGMING POWER EQUIP CO LTD

Transformer with high-temperature early warning device

The invention relates to the technical field of transformers, in particular to a transformer with a high-temperature early warning device, which comprises a base and a transformer body fixedly mounted on the base, and further comprises a temperature control system, and the temperature control system is used for monitoring the temperature of the transformer body and dynamically analyzing the transformer body. A plurality of sets of cooling fins are fixedly connected to the outer portion of the transformer body, and a plurality of sets of mounting frames are fixedly connected to the base. In the invention, aiming at the defect of incomplete monitoring of a traditional temperature sensor, the temperature control system can realize comprehensive temperature monitoring and dynamic operation analysis of the transformer body, accurately capture internal complex temperature field distribution, and avoid the problem of insulation aging acceleration caused by local high-temperature leak detection; compared with an existing single threshold value control mode, intelligent early warning is achieved through a dynamic analysis technology, a control strategy can be adjusted according to real-time temperature changes, and the limitation that a traditional method lacks state perception is overcome.
Owner:HEBEI HAOZHENG ZHENHE TRANSFORMER CO LTD

Double reverse star rectifier transformer for low-loss hydrogen production system

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.
Owner:JIANGSU RYAN ELECTRIC LTD BY SHARE LTD

Transformer with dustproof and moistureproof functions

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.
Owner:DONGGUAN BEICHENGXIN ELECTRICAL APPLIANCE CO LTD

Intelligent heat dissipation control system for operation of transformer

The invention belongs to the technical field of transformer heat dissipation control, and particularly discloses a transformer operation intelligent heat dissipation control system, which comprises a heat dissipation equipment layout module, a temperature monitoring module, a hot spot identification module, a hot spot diffusion analysis module, an airflow control module and an execution feedback module which are sequentially coupled and connected, an infrared thermal imaging sensor array and a fan group are arranged in a transformer according to heat source distribution, surface temperature distribution is collected in real time through the infrared thermal imaging sensor array, and a hot spot area and the diffusion direction of the hot spot area are recognized; and upstream, midstream and downstream fans are selected, and a directional relay cooling airflow chain is constructed through time sequence difference pulse and rotating speed hierarchical control, so that prospective intervention on a current hot spot and a potential diffusion path is realized, heat dissipation control has local accurate regulation and control capability with dynamic evolution characteristics, and the fan energy consumption is reduced while the heat dissipation efficiency is improved.
Owner:SHANDONG TAISHUN ELECTRIC CO LTD

Self-monitoring transformer

The invention provides a self-monitoring transformer, and belongs to the technical field of transformers. Wherein the piston is arranged on the first reference pipe, and the piston rod penetrates through the sealing plate. The filter plate is arranged in the first reference pipe. The piston rod is provided with a conveying flow channel, and the area between the piston and the filter plate is communicated with the conveying flow channel. A first one-way assembly is arranged in the conveying flow channel. A second one-way assembly is arranged at the end, away from the sealing plate, of the first reference pipe. The plug rod is driven by the driving assembly in a reciprocating mode. The visual assembly is arranged in the first reference tube. The processor is used for judging the health degree of the insulating oil in the transformer body according to the image data acquired by the visual assembly. The transformer insulating oil monitoring system can continuously and autonomously monitor the actual condition of the transformer insulating oil, avoids the defects of manual monitoring, and effectively improves the operation safety of the transformer.
Owner:SICHUAN SPECIAL TRANSFORMER FACTORY