30results about "Transformers/inductances cooling" patented technology

Electric motor components are formed of a conductive loaded resin-based material. The conductive loaded resin-based material comprises micron conductive powder(s), conductive fiber(s), or a combination of conductive powder and conductive fibers in a base resin host. The percentage by weight of the conductive powder(s), conductive fiber(s), or a combination thereof is between about 20% and 50% of the weight of the conductive loaded resin-based material. The micron conductive powders are metals or conductive non-metals or metal plated non-metals. The micron conductive fibers may be metal fiber or metal plated fiber. Further, the metal plated fiber may be formed by plating metal onto a metal fiber or by plating metal onto a non-metal fiber. Any platable fiber may be used as the core for a non-metal fiber. Superconductor metals may also be used as micron conductive fibers and/or as metal plating onto fibers in the present invention.

The invention discloses a self-ventilation heat dissipation type oil-immersed transformer, and belongs to the field of transformer equipment. Innovative presetting of ventilation heat dissipation holes in heat dissipation fins can be realized, the migration action of magnetic migration air exchange balls is triggered through the magnetic action after heat is sensed, the magnetic migration air exchange balls are forced to migrate in the ventilation heat dissipation holes and push air to advance towards the interior of a transformer body, air blowing films are inflated and expanded to increase the contact area with transformer oil, the heat conduction effect of the transformer oil can be improved, and meanwhile the contact area can be increased to improve the heat exchange effect. In addition, air in the ventilation heat dissipation holes enters the air blowing films and then is supplemented by external cold air, after the magnetic migration air exchange balls are cooled, the magnetic migration air exchange balls are reset under the elastic action of elastic pull wires, the migration action is repeated, the contact area of the heat dissipation fins and the external air can be increased, and meanwhile the heat exchange effect is improved in an active ventilation mode, and therefore, the heat dissipation performance of the heat dissipation fins is greatly improved.

The invention relates to a filtering method for transformer oil. The filtering method comprises the following steps of: firstly, sequentially connecting two ends of each of a first valve, a fourth valve, a second valve and a third value by pipelines to form a valve bank which is in an annular structure and respectively connecting a transformer oil tank, an oil return port of an oil filter, a first oil tank and an oil outlet of the oil filter; secondly, starting the oil filter for filtering oil in the transformer oil tank; and thirdly, pumping the filtered oil into the transformer oil tank. The filtering method has the beneficial effects that: firstly, the filtering method is simple in operation; and the oil filter is not needed to be closed in the filtering process, so that the work period is shortened and the efficiency is improved; secondly, devices adopted in the method are conventional devices, are low in price and are convenient for popularization and application; thirdly, the missing of oil products and the pollution to the environment are avoided; and fourthly, the filtering method is not only suitable for oil filtering occasions, but also is suitable for oil exchange and new oil injection occasions.

The invention provides a cooling system for a wireless charging device for an electric vehicle power battery, which can effectively dissipate the coil; the structure is simple and reasonable; the heatdissipating efficiency is high; the cooling system for a wireless charging device for an electric vehicle power battery comprises a heat conducting layer in contact with the coil; a heat dissipatingfin layer is further arranged on the rear side of the heat conducting layer and contacts with the heat conducting layer; the heat dissipating fin layer comprises a heat dissipation sheet; and the heatdissipation sheet is made of a phase change composite material.

The invention discloses an oil-immersed transformer capable of cleaning impurities, and the transformer comprises a mounting frame, an oil discharging mechanism and a cooling box; a motor is fixed tothe outer side of the mounting frame, a rotating shaft is rotatably connected to the interior of the mounting frame, an oil pump is fixed to the right side of a transformer body, and a baffle is fixedto the outer side of an oil discharging pipe; and an oil discharging opening is formed in the outer side of the connecting pipe, the cooling box is fixed to the left side of the fixed plate, and thecooling box is fixed to the right side of the fixed plate. The oil-immersed transformer capable of cleaning impurities is provided with the first filter plate, the filter screen and the waste port, transformer oil in the transformer body is pumped through the oil pump and conveyed into the oil storage tank in cooperation with the oil conveying pipe, the transformer oil is filtered in cooperation with the filter screen, and the impurities in the transformer oil are repeatedly and conveniently filtered; impurities can automatically slide to a waste port to be discharged by matching with the inclined filter screen, the structure is simple, and the service lives of electrical elements in the transformer main body and transformer oil are prolonged.

The invention discloses an improved structure of a hydraulic oil pipe of a transformer, which comprises a gas pipe body connected to an oil conservator, and a gas-permeable dust-absorbing layer, a metal gas-permeable adsorption layer, and a silica gel water-absorbing layer are arranged in the gas pipe body. The air-permeable adsorption layer and the silica gel water-absorbing layer are sequentially arranged along the axial direction of the trachea body towards the direction of the oil conservator, and the air-permeable dust-absorbing layer is formed by soaking and drying the air-permeable board in diglycolamine solution. The invention realizes the purpose of an oil conservator gas pipe that can reduce the pollution probability of transformer oil by dust, metal elements and sulfide in the air and improve the purification degree of the air entering the oil conservator.

The invention discloses a self-excited push-pull type converter. More than two magnetic cores are combined into a whole to realize magnetic saturation which is same with that of an integral magnetic core so as to realize the conversion of a push-pull triode. The self-excited push-pull type converter is realized by the method that the magnetic cores are oppositely spliced in a staggered way, and mirror surfaces are used as the contact surfaces of the side surfaces of the magnetic cores; or the magnetic cores are baked at a high temperature; or the two magnetic cores are fused through electrification. The self-excited push-pull type converter has high conversion efficiency, excellent consistency and high reliability. Meanwhile, an obtained transformer has the characteristics of small size and simple winding technology.

The invention discloses a cooling fan control method and system. The system part comprises a temperature sensing and transmitting device and a cooling fan energy-saving system; the temperature sensing and transmitting device comprises a temperature sensor and a temperature transmitter; the cooling fan energy-saving system comprises a main controller unit, an A/D (Analog to Digital) conversion unit, a power supply unit, a fan control output interface unit; the temperature sensor is immersed in an oil tank of transformer insulating oil, acquires real-time temperature data and sends the real-time temperature data to the A/D conversion unit by the temperature transmitter, and an output signal of fan control is obtained by operation of the main controller unit and is sent to a cooling fan. The method comprises: firstly, acquiring a temperature in the transformer insulating oil; converting an insulating oil temperature signal into an electric signal; when the electric signal is higher than a set value, controlling a cooling fan to be started; or shutting down the cooling fan. Energy efficiency of the cooling fan is improved, and cost is reduced.

The invention belongs to the field of water-cooled transformers with long circular water-cooled copper pipe structures. The invention particularly relates to a water-cooled transformer with a long circular water-cooled copper pipe structure. The transformer comprises an iron core, a primary-side high-voltage wire winding and a secondary-side large-current water-cooling copper pipe winding. The iron core is formed by stacking silicon steel sheets, the iron core is provided with the secondary-side large-current water-cooling copper pipe winding and the primary-side high-voltage wire winding, andthe primary-side high-voltage wire winding is sleeved with the secondary-side large-current water-cooling copper pipe winding. The secondary-side large-current water-cooling copper pipe winding is ina long circular shape, two ends of the secondary-side large-current water-cooling copper pipe winding are respectively connected and communicated with bus copper bars on two adjacent sides of the secondary-side large-current water-cooling copper pipe winding, the bus copper bars are arranged on two sides of the primary-side high-voltage wire winding, the bus copper bar at one side is used for water input, the bus copper bar at the other side is used for water discharge, and the size of the water-cooled transformer is perfectly reduced. The service life of the water-cooled transformer is effectively prolonged by winding the secondary-side large-current water-cooled copper pipe winding and the primary-side high-voltage wire winding, and the situation that power operation is affected due tofaults of the water-cooled transformer is reduced.

The present application provides an oil-cooled transformer, including a casing 1, the transformer also includes an oil pump 2, an annular pipe 3, a first oil pipe 4, and a second oil pipe 5, and the oil pump 2 is installed in the casing 1. In the cavity, the output end of the oil pump is connected to the first oil pipe 4, the first oil pipe 4 is connected to the annular pipe 3, and the liquid outlet of the second oil pipe 5 is flush with the outer wall of the housing 1. together. Beneficial effects are as follows: This scheme sets up a new type of transformer cooling equipment, and designs a new type of transformer with advanced double cooling capacity on the basis of the original heat dissipation method of increasing the heat dissipation area.

The invention discloses a combined high-power transformer. The combined high-power transformer comprises a transformer casing, wherein heat dissipation blocks are arranged on the outer surface of thefront end of the transformer casing, a push plate is arranged on the outer surface of the upper end of the transformer casing, wire connecting holes are formed in the outer surface of the upper end ofthe push plate, a handle is arranged on the outer surface of one side of the push plate, connecting columns are arranged in the transformer casing, a fixed box is fixedly mounted on one side, close to the corresponding connecting column, of the inside of the transformer casing, a secondary coil is arranged on one side of each fixed box, a motor box is arranged at the upper end, close to the fixedboxes, of the inside of the transformer casing, and a support is arranged on the upper side, close to the motor box, of the inside of the transformer casing. The combined high-power transformer is provided with the push plate, a fan and combined iron cores, the inside of the transformer can be maintained conveniently and well cooled, different voltages can be output conveniently, and better use prospects can be brought.

The invention discloses a dust-proof and rain-proof transformer shell. The shell comprises a shell body, a ventilation box, a rain shield, a cushion block and a shielding cover, wherein the shell bodyis rectangular, the lower end of the shell body is opened, the ventilation box is fixedly connected with the lower end of the shell body, the ventilation box seals a lower port of the shell body, theventilation box is communicated with an inner cavity of the shell body, the rain shield is fixedly connected with the top of the shell body, the cushion block is fixedly connected with the bottom surface of the ventilation box, and the shielding cover is fixedly connected with the inner wall of the shell body. The shell is simple in structure, the anti-dust and rain-proof effects are guaranteed while heat dissipation is guaranteed, and the use effect is good.

The invention discloses a novel oil-immersed transformer. The novel oil-immersed transformer comprises a protection box and a transformer body, wherein a storage plate is arranged in the protection box; the transformer body is fixedly connected to the top of the storage plate; a cavity is formed in the bottom of the protection box; a threaded rod is rotatably connected to the cavity; a first gearfixedly sleeves the threaded rod; a second gear is arranged on the first gear and is engaged with the first gear; a rotation rod is fixedly connected to one side of the second gear; and a rotation block is fixedly connected to one end, far away from the second gear, of the rotation rod. By arranging a protection mechanism, a relatively good protection effect can be achieved in severe weather, andoperation and maintenance are facilitated; and by arranging a fixed mechanism, the stability can be improved, swinging is prevented, and the service lifetime is prolonged.

The invention discloses equipment capable of cleaning a transformer and protecting detection. The equipment comprises an equipment box body, a storage cavity is fixedly connected to the end wall of the upper side of the equipment box body, an auxiliary device is arranged in the storage cavity, and the auxiliary device is used for collecting a water source. According to the equipment capable of cleaning a transformer and protecting detection, cleaning of the transformer can be realized. Daily rainwater is collected and filtered through the auxiliary device. When the collected water amount reaches a certain amount, a cleaning device can be triggered, a cleaning rod is driven to move through chain wheel transmission, dust removal and cleaning are conducted on the cooling fins in cooperation with a collected water source, and potential safety hazards of dust to the transformer are reduced. Meanwhile, when the cable on the upper side of the transformer is broken, falls off and is on fire, the safety device can be used for starting the pre-warning lamp to illuminate to prevent people from entering, the valve is opened to start fire extinguishing measures to reduce the danger of people, and the detection device can be used for performing air leakage detection inside the transformer oil tank to prevent accident potentials.

The invention relates to the transformer heat dissipation field, in particular to a transformer heat dissipation tube. The transformer heat dissipation tube comprises a heat dissipation tube body, wherein an oil outlet, an oil inlet, a water inlet and a water outlet are formed in the heat dissipation tube body, the oil inlet and the oil outlet are communicated together in the heat dissipation tube body through a heat exchange tube, the heat exchange tube is in a spiral disc shape in the heat dissipation tube body, the water inlet and the water outlet are respectively connected with two ends of the heat dissipation tube body, the oil inlet and the oil outlet are connected onto a transformer oil tank through flange structures, the water inlet and the water outlet are communicated with a tap water pipe, and a sewage drainage pipe is arranged at the bottom of the heat dissipation tube body. The transformer heat dissipation tube has the advantage of being capable of performing controlled cooling through tap water so as to solve the problem that heat dissipation fins are inadequate in heat dissipation capacity.

The invention relates to a transformer oil replacing device. The device comprises a U-shaped pipe; a first communicating opening, a second communicating opening and a third communicating opening are formed in the U-shaped pipe; the first communicating opening is communicated with a transformer body; the second communicating opening is communicated with a communicating pipe; the communicating pipe can be communicated with the transformer body to form a communicating device; a sensing structure is arranged on the communicating pipe; the third communicating opening is communicated with a first collecting box and a second collecting box; a pushing structure capable of pushing transformer oil to wash impurities on the inner wall of the transformer body is arranged on the first collecting box; the sensing structure can sense the liquid level in the communicating pipe and can start the pushing structure to work; and a drawing structure capable of drawing out transformer oil in the transformer body is arranged on the second collecting box. According to the transformer oil replacing device of the invention, by utilizing the sensing structure, the pushing structure and the drawing structure which are linked, the transformer oil and impurities in the transformer body are timely and rapidly discharged, so that rapid pollution of the transformer oil after oil change caused by the impurities attached to the inner wall of the transformer body is avoided, and the oil change and impurity removal effects are improved.

The invention discloses a spiral plate type strong oil-water cooler for a YSL type transformer, which comprises a box body and a dirt removing mechanism, wherein an oil inlet pipe is arranged on the side surface of one side of the box body, a first spiral pipe is arranged at the position, which is in the box body, of the oil inlet pipe, an oil outlet pipe is arranged at the other end of the first spiral pipe, a water inlet pipe is arranged on the side surface of the side, which is away from the oil inlet pipe, of the box body, a second spiral pipe is arranged in the position, which is in the box body, of the water inlet pipe, the first spiral pipe and the second spiral pipe are oval, a water outlet pipe is arranged at the other end of the second spiral pipe, and the side surfaces of the adjacent sides of the first spiral pipe and the second spiral pipe are each provided with a plurality of outwards-protruding semicircular grooves. The oil-water cooler is simple in structure and reasonable in design, dirt in the oil pipe and the water pipe is convenient to clean, the situation that dirt is formed in the oil pipe and the water pipe to cause blockage and affect the circulation efficiency of oil and water is prevented, the cooling effect is guaranteed, meanwhile, the contact area of the oil and water is increased, and the cooling effect is improved.

The invention discloses an inductor with a simple structure and a small size. The inductor comprises a shell, a mounting base, a framework, an iron core, an induction line, a first plug pin, a secondplug pin, a sliding block and an electric brush plate; the mounting base is in threaded connection with the bottom end of the interior of the shell; the framework is connected with the top of the mounting base through glue; the iron core is positioned in the framework, and the iron core is tightly matched and connected with the framework; the induction line is wound around the outer wall of the framework from left to right uniformly; the first plug pin is positioned on the left side of the bottom of the shell while the first plug pin is tightly matched and connected with the shell; the first plug pin is welded with the induction line; the second plug pin is positioned on the right side of the bottom of the shell while the second plug pin is tightly matched and connected with the shell; anair inlet fan and an air exhaust fan are mounted on the left and right side surfaces of the shell respectively; and a filtering net is arranged on the outer side of the air inlet fan. The inductor issimple in structure, powerful in functions, simple in operation, and capable of accurately adjusting the inductive reactance of the inductor; and in addition, by virtue of setting of the air inlet fanand the air outlet fan, heat dissipation of the inductor can be facilitated, and the service life of the inductor can be ensured effectively.

The invention discloses an instrument transformer. The instrument transformer comprises a first shell, a second shell, a coil and a junction device; the first shell and the second shell are in detachable connection to form a case of the instrument transformer; the coil is arranged in the case composed of the first shell and the second shell, and a rectangle opening for mounting the junction device is arranged on the case; the coil comprises a coil a arranged in the upper cavity of the case and a coil b arranged in a lower cavity of the case; the structures of the coil a and the coil b are the same, and each comprises fixed retainer rings at two sides and a winding body arranged between the fixed retainer ring; the junction device comprises a junction part a and a junction part b which are connected after respectively penetrating the rectangle openings on the first shell and the second shell. The instrument transformer disclosed by the invention guarantees the orderliness and steady of the internal lines.

The invention discloses a hybrid cooling and heat dissipation amorphous transformer, which comprises a housing and a base, wherein the housing comprises an installation frame and a pair of circulationframes, the two circulation frames are symmetrically installed on two sides of the installation frame, T-shaped shafts are symmetrically and fixedly connected below the base, a plurality of threadedholes are formed in each T-shaped shaft, each circulation frame is provided with a plurality of openings, each opening is internally inserted with a heat dissipation box, a heat dissipation sheet is connected between two vertically adjacent heat dissipation boxes, the inner wall of each heat dissipation box is coated with a sealant, each heat dissipation box is internally filled with water, and anamorphous alloy iron core is installed in the installation frame. According to the invention, each circulation frame is provided with a plurality of openings, the height difference of internal cooling oil in the circulation process is increased due to the existence of the openings, the circulation of the internal circulating oil is accelerated, the heat dissipation effect is improved by accelerating the circulation, and the heat generated by current is quickly conducted. Meanwhile, the heat dissipation effect is further enhanced by matching with the water in the heat dissipation boxes for cooling.

The invention discloses an enhanced transformer tank, which is a rectangular thin-wall metal container and comprises side plates and a bottom plate, wherein the enhanced transformer tank is characterized in that the middle part of each side plate protrudes towards the inside of a tank body to form a groove I; the middle part of the bottom plate protrudes upwards to form a groove II; and the enhanced transformer tank is further improved as follows: a reinforcing rib I is arranged in the groove I in each side plate and is a cross-shaped reinforcing rib, and a reinforcing rib II is arranged in the groove II in the bottom plate and is the cross-shaped reinforcing rib. The enhanced transformer tank is good in structure rigidity and high in strength.

The invention discloses a heat tube plate type radiator, and relates to an improvement of a plate radiator structure of a transformer. The invention provides a heat tube plate type radiator with good radiation effect on fluid phase transformation. The heat tube plate type radiator comprises a machine body which is respectively provided with an oil inlet pipe, a heating cavity, and an oil outlet pipe, and is structurally characterized in that the oil inlet pipe and the oil outlet pipe are respectively connected with the heating cavity, and heat tubes inside the heating cavity are respectively connected with delivery pipes, and radiating fins are arranged among the delivery pipes.

The invention relates to a self-cooling transformer oil flow heat dissipation optimization method and device and a storage medium. The self-cooling transformer oil flow heat dissipation optimization method comprises the steps of obtaining structure parameters of a self-cooling transformer and operation condition parameters of the self-cooling transformer; constructing a three-dimensional geometric model of the self-cooled transformer by adopting the structure parameters, and determining a three-dimensional temperature field-flow field bidirectional coupling model according to the three-dimensional geometric model and the operation condition parameters; obtaining internal oil flow distribution of the self-cooling transformer based on the three-dimensional temperature field-flow field bidirectional coupling model, and determining an oil flow dead zone according to the internal oil flow distribution; and through the three-dimensional temperature field-flow field bidirectional coupling model, respectively obtaining and based on each internal oil flow distribution when different oil inlets and outlets of the self-cooled transformer are opened, each internal oil flow distribution under different oil pump rotating speeds and the volume of an oil flow dead zone, and determining and outputting an optimal oil inlet and outlet. According to the self-cooling transformer, the heat dissipation efficiency of oil flow in the self-cooling transformer is effectively improved, and safe operation of the self-cooling transformer is guaranteed.

The invention relates to a solar cooling device-based distribution transformer. The solar cooling device-based distribution transformer comprises a distribution transformer, and is characterized in that a solar cell panel is arranged above the distribution transformer; the solar cell panel is connected with an accumulator; the accumulator is connected with a transformer temperature control module; the transformer temperature control module is connected with a cooling fan; and the transformer temperature control module comprises a temperature sensor, a processor and a control switch.

The invention discloses a fireproof transformer with a clamping device and relates to the technical field of transformers. The fireproof transformer comprises a cabinet body, telescopic plates are arranged on the two sides of the cabinet body, clamping blocks are arranged in the telescopic plates, a sliding block is movably connected to one end of each clamping block, a rubber pad is fixedly connected to the interior of each clamping block, a screw hole is formed in each sliding block, a screw rod is arranged in each screw hole, and a first servo motor is fixedly connected to one end of each screw rod. According to the transformer disclosed in the invention, the second servo motor drives the driving wheel to rotate; the driven wheel is driven to rotate; the telescopic effect of the telescopic plate is achieved under the action of a third connecting piece, after the telescopic plate stretches to a proper position, a first servo motor drives a screw rod to rotate, and clamping and loosening of a clamping block can be achieved under the action of a sliding block; the problems that a transformer cannot be directly fixed between two telegraph poles in the using process, and use is inconvenient are solved.