CN113345676B

CN113345676B - Energy-saving amorphous three-dimensional coiled iron core transformer

Info

Publication number: CN113345676B
Application number: CN202110470768.5A
Authority: CN
Inventors: 于茂雷; 董军信; 董传合
Original assignee: Zhongshao Electric Co ltd
Current assignee: Zhongshao Electric Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2023-09-26
Anticipated expiration: 2041-04-29
Also published as: CN113345676A

Abstract

The invention relates to the technical field of transformers, in particular to an energy-saving amorphous three-dimensional iron core winding transformer which comprises a transformer electric box, a heat dissipation mechanism, a first iron core, a second iron core, a third iron core, a first coil, a second coil and a third coil.

Description

Energy-saving amorphous three-dimensional coiled iron core transformer

Technical Field

The invention relates to the technical field of transformers, in particular to an energy-saving amorphous three-dimensional iron core winding transformer.

Background

The three-dimensional wound core transformer is an energy-saving power transformer, creatively reforms the laminated magnetic circuit structure and three-phase layout of the traditional power transformer, and ensures that the product performance is more optimized, such as the three-phase magnetic circuit is completely symmetrical, the electricity-saving effect is obvious, the noise is greatly reduced, the heat dissipation and overload capacity is stronger, the structure is compact, the volume is small, and the like.

The three-phase coils are distributed in a 'delta' shape, a central natural air passage which is penetrated up and down is formed between the coils, namely an 'exhaust chimney', the temperature difference between the upper iron yoke and the lower iron yoke is 30-40 ℃, strong air convection is generated, cold air is supplemented from the lower surface to the central passage, heat is radiated out from the inner inclined surface of the upper iron yoke, the heat generated by the transformer is rapidly taken away in natural circulation, the heat radiating effect is better, the heat radiating structure has the defect that the air can be in large-area contact with the device inside the heat radiating structure, meanwhile, no matter whether a dustproof filtering structure is installed or not, dust particles and moisture are also remained in the long-term use process, the work of the internal device can be influenced and damaged, and meanwhile, the three-dimensional coiled iron core transformer is generally installed and used outdoors, so that the defect is more obvious.

Therefore, there is a need to design an energy-saving amorphous three-dimensional wound core transformer to solve the above-mentioned problems in the background art.

Disclosure of Invention

The invention aims to provide an energy-saving amorphous three-dimensional coiled iron core transformer so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides an energy-conserving three-dimensional iron core transformer of rolling up of amorphous, including the transformer electronic box, first iron core, second iron core and third iron core, the vertical cooling body that installs in inside center department of transformer electronic box has set gradually first iron core, second iron core, third iron core in the lateral surface of cooling body is vertical, and the link department cover of first iron core and second iron core is equipped with first coil, and the link department cover of second iron core and third iron core is equipped with the second coil, and the link department cover of first iron core and third iron core is equipped with the third coil.

Further, the heat dissipation mechanism comprises a metal heat dissipation pipeline, a second fin and a fan, wherein a cavity is formed in the metal heat dissipation pipeline in a penetrating mode, the fan is located in the cavity, meanwhile, the second fin is uniformly distributed on the outer surface of the metal heat dissipation pipeline, and a first port and a second port are respectively formed in the upper end and the lower end of the metal heat dissipation pipeline.

The fan is utilized to rotate, the working principle of negative pressure is utilized to guide external air in from the second port close to the bottom of the metal radiating pipe and to bring out heat conducted to the inner cavity through the radiating fins from the first port at the upper part in the upward movement process, so that the radiating function is realized.

Further, dust-free cavities are formed in the transformer electric box, a fixed mounting base and a terminal mounting top seat are fixedly mounted at the bottom and the top of the transformer electric box respectively, and through holes are formed in the center of the top surface of the fixed mounting base and the center of the bottom surface of the terminal mounting top seat.

The bottom installation fixed mounting base of transformer electronic box is used for conveniently carrying out fixed mounting to whole box, and the top installation section sub-mount footstock of transformer electronic box is used for other equipment such as easy to assemble terminal, and the through-hole of seting up with the cooperation can be realized with the intercommunication of metal cooling tube, and then makes things convenient for the circulation of air, guarantees the heat dissipation.

Preferably, the second fin, the first port, the second port and the metal heat dissipation pipeline are integrally formed by brass, the first port and the second port respectively penetrate through the upper surface and the lower surface of the transformer electric box and are connected with the through holes in a penetrating mode, the inner diameters of the first port and the second port are equal to the diameter of the through holes, and the second fin is located in the dust-free cavity.

All parts adopt integrated into one piece, and processing is convenient and adopt brass material to have fine heat conduction efficiency, can obviously promote heat exchange efficiency, and then help strengthening the inside heat dissipation of transformer, and the second fin is located inside the dust-free cavity and can be convenient for carry out conduction heat transfer with the inside hot air of dust-free cavity.

Further, the wind gap has all been seted up to the surface all around of fixed mounting base and terminal mount pad, and wind gap and through-hole through-connection, and the filter screen is all embedded to the inside of wind gap simultaneously, and first fin evenly distributed is at the surface of transformer electricity case.

The wind gap communicates cooling body and external world, installs the filter screen in wind gap department, can filter the big granule of external air, prevents to cause the inside accumulation impurity of transformer electricity case in the long-term operation in-process, influences the heat dissipation.

Preferably, the filter screen cleaning device is arranged on the fixed mounting base, the filter screen cleaning device comprises a rack arranged below the fixed mounting base, a sliding rod with the same shape as the rack is connected below the rack, a linear bearing is sleeved on the sliding rod and connected with a moving motor through a connecting rod, an output shaft of the moving motor is fixed with a gear meshed with the rack, a rolling brush opposite to an air port is fixed above the gear, and bristles of the rolling brush are attached to the filter screen.

The filter screen cleaning device is used for continuously brushing a filter screen at the air port by utilizing the rolling brush above through the circumferential movement of the movable motor matched with the rack along the fixed mounting base, and the rolling brush is used for moving and simultaneously rotating, so that impurities attached to the outer side of the filter screen can be cleaned off in an accelerating way, the filter screen is prevented from being blocked, the air flow is influenced, and the heat dissipation efficiency is ensured.

Further, the rack and the slide bar are fixed under the fixed mounting base through a plurality of support bars and are arranged along the circumference of the fixed mounting base, a notch is formed in the pattern surrounded by the rack, and the rack comprises a straight rack and an arc transition rack connected with two adjacent straight racks.

The racks are formed by splicing the straight racks and the arc transition racks, the arc transition racks play a role in transition, and the movable motor can conveniently move between the two straight racks through the gears, so that the completeness of cleaning of the filter screen at the air port is guaranteed.

Furthermore, two ends of the rack at the notch are respectively fixed with limiting blocks.

The rack is fixed with the stopper at the both ends of breach, can play limiting displacement, avoids removing the motor and breaks away from the slide bar, but simultaneously mounting limit switch for remove the motor and provide the signal, the direction of rotation of the motor of being convenient for control, and then the direction of movement of adjustment removal motor.

Further, the first iron core, the second iron core and the third iron core are arranged in a triangular body shape, are identical to the transformer electric box in shape, are scaled in equal proportion, are fixedly arranged at the bottom and the top of the first coil, the bottom and the top of the second coil and the top of the third coil respectively, and are fixedly connected with the transformer electric box through bolts.

The triangular body has the advantages of complete symmetry of the three-phase magnetic circuit, obvious electricity-saving effect, compact structure, small volume and convenient installation and use.

Compared with the prior art, the invention has the beneficial effects that:

1. the inside that lies in the natural air flue between the coil through the radiating mechanism who sets up utilizes self to form a barrier that has high-efficient heat dissipation function for between the inside of natural air flue and transformer electronic box for the natural air flue does not have any direct contact with the inside device of transformer electronic box when carrying out the heat dissipation operation, thereby makes the inside heat dissipation operation of transformer electronic box go on under dustless state completely, utilizes radiating mechanism's heat dissipation effect, can prevent to lead to winding resistance increase and then arouse the problem that the copper loss increases when the transformer temperature risees, can show the reduction electric quantity loss, and then plays the energy-conserving effect.

2. The whole device achieves the function of dust insulation while having efficient internal heat dissipation, and meanwhile, the dust and moisture invasion of the air can be effectively avoided to influence and damage the operation of the device inside the transformer electric box.

3. The filter screen that makes the cavity possess under the certain dustproof effect circumstances mainly prevent that winged insect from entering its inside, influence the operation of fan through setting up. Through setting up filter screen cleaning device, usable motor drive gear moves on the rack, and the effect of cooperation round brush cleans the impurity that the filter screen surface kept off, plays clean effect to the filter screen, because the round brush still carries out rotary motion when moving, can then accelerate to clear away the impurity that adheres to the filter screen outside, prevents the filter screen jam, influences the air flow, guarantees radiating efficiency.

4. The air port is arranged on the peripheral outer surfaces of the fixed mounting base and the terminal mounting top seat, so that a certain rainproof and snow-proof function can be achieved, and damage to the fan is prevented.

Drawings

FIG. 1 is a schematic top view of the overall installation of the present invention;

FIG. 2 is a schematic view showing the internal structure of a transformer electric box according to the present invention;

FIG. 3 is a schematic top view of the heat dissipation mechanism according to the present invention;

FIG. 4 is a schematic view of the external structure of a metal heat dissipation pipe according to the present invention;

FIG. 5 is a schematic view of an installation of a screen cleaning apparatus according to the present invention;

fig. 6 is an exploded view of the rack in the present invention.

In the figure: 1. a transformer electric box; 11. a dust-free cavity; 12. a base is fixedly installed; 13. a terminal mounting top seat; 14. a through hole; 15. an air port; 16. a filter screen; 17. a first fin; 2. a heat dissipation mechanism; 21. a metal heat dissipation pipe; 22. a second fin; 23. a fan; 24. a cavity; 25. a first port; 26. a second port; 3. a first iron core; 4. a second iron core; 5. a third iron core; 6. a first coil; 7. a second coil; 8. the filter screen cleaning device comprises a third coil, 9, a filter screen cleaning device, 91, a moving motor, 92, a connecting rod, 93, a sliding rod, 94, a linear bearing, 95, a supporting rod, 96, a rack, 961, a straight rack, 962, an arc transition rack, 963, a limiting block, 97, a gear, 98 and a rolling brush.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an energy-conserving three-dimensional iron core transformer of rolling up of amorphous, including transformer electric box 1, cooling mechanism 2, first iron core 3, second iron core 4, third iron core 5, first coil 6, second coil 7 and third coil 8, the inside center department of transformer electric box 1 is vertical installs cooling mechanism 2, vertically in proper order be provided with first iron core 3 in the lateral surface of cooling mechanism 2, second iron core 4, third iron core 5, and the link department cover of first iron core 3 and second iron core 4 is equipped with first coil 6, simultaneously the link department cover of second iron core 4 and third iron core 5 is equipped with second coil 7, simultaneously the link department cover of first iron core 3 and third iron core 5 is equipped with third coil 8, be located the inside of the natural air flue between the coil through the cooling mechanism 2 that sets up, utilize self to form a barrier that has the high-efficient function between the inside for the inside device of natural air flue and transformer electric box 1 does not have any direct contact when carrying out the operation, thereby make the inside device that the inside of transformer electric box 1 completely dispels the heat with the inside of transformer electric box 1 can avoid the inside the high-efficient operation device to make the inside of transformer electric device completely and prevent dust and avoid the inside the dust and air from getting rid of the inside the device from the dust and damaging the inside the device, can reach the dust-free device when the inside the high-free air operation device is completely.

Referring to fig. 1, 3 and 4, the heat dissipation mechanism 2 includes a metal heat dissipation pipe 21, a second fin 22 and a fan 23, wherein a cavity 24 is formed inside the metal heat dissipation pipe 21 in a penetrating manner, the fan 23 is located inside the cavity 24, meanwhile, the second fin 22 is uniformly distributed on the outer surface of the metal heat dissipation pipe 21, and a first port 25 and a second port 26 are respectively arranged at the upper end and the lower end of the metal heat dissipation pipe 21; the second fin 22, the first port 25, the second port 26 and the metal heat dissipation pipeline 21 are integrally formed by brass, the first port 25 and the second port 26 respectively penetrate through the upper side surface and the lower side surface of the transformer electric box 1 and are simultaneously connected with the through hole 14 in a penetrating way, meanwhile, the inner diameters of the first port 25 and the second port 26 are equal to the diameter of the through hole 14, and the second fin 22 is positioned in the dust-free cavity 11; the first iron core 3, the second iron core 4 and the third iron core 5 are arranged in a triangular body shape, are identical to the transformer electric box 1 in shape, are scaled in equal proportion, are fixedly arranged at the bottom and the top of the first coil 6, the second coil 7 and the third coil 8 in pairs, and are fixedly connected with the transformer electric box 1 through bolts.

Referring to fig. 1 and 2, a dust-free cavity 11 is formed in the transformer electric box 1, a fixed mounting base 12 and a terminal mounting top seat 13 are respectively and fixedly mounted at the bottom and the top of the transformer electric box 1, and through holes 14 are formed in the center of the top surface of the fixed mounting base 12 and the center of the bottom surface of the terminal mounting top seat 13; the wind gap 15 has all been seted up to fixed mounting base 12 and terminal mount pad 13 surface all around, wind gap 15 is generally offered on three long edges of triangle body, asa and wind gap 15 and through-hole 14 through-connection, filter screen 16 is installed to the inside of wind gap 15 all embedding simultaneously, simultaneously first fin 17 evenly distributed is at the surface of transformer electronic box 1, make cavity 24 possess under the certain dustproof effect through the filter screen 16 of setting mainly prevent that the winged insect from entering into its inside, influence the operation of fan 23, and set up wind gap 15 at fixed mounting base 12 and terminal mount pad 13 surface all around, can reach certain rain-proof, snow-proof function, prevent causing the damage to the fan.

The filter screen cleaning device 9 is mounted on the fixed mounting base 12, the filter screen cleaning device 9 comprises a rack 96 arranged below the fixed mounting base 12, a sliding rod 93 with the same shape as the rack 96 is connected to the lower portion of the rack 96, a linear bearing 94 is sleeved on the sliding rod 93, a movable motor 91 is connected to the linear bearing 94 through a connecting rod 92, a gear 97 meshed with the rack 96 is fixed to an output shaft of the movable motor 91, a rolling brush 98 opposite to the air inlet 15 is fixed to the upper portion of the gear 97, and bristles of the rolling brush 98 are attached to the filter screen 16.

The filter screen cleaning device 9 moves along the circumferential direction of the fixed mounting base 12 through the moving motor 91 and the rack 96, and the filter screen 16 at the air port 15 is continuously brushed by the rolling brush 98 above in the moving process, and the rolling brush 98 also rotates while moving, so that impurities attached to the outer side of the filter screen 16 can be cleaned off rapidly, the filter screen 16 is prevented from being blocked, the air flow is influenced, and the heat dissipation efficiency is ensured.

The rack 96 and the slide bar 93 are both fixed under the fixed mounting base 12 through a plurality of support bars 95 and are arranged along the circumference of the fixed mounting base 12, the shapes of the rack 96 and the slide bar 93 are the same, as shown in fig. 2, the fixed mounting base 12 is a triangle, the rack 96 and the slide bar 93 are also in a similar triangle shape, the rack 96 comprises three straight racks 961 and two arc transition racks 962, the three straight racks 961 form a triangle shape, every two straight racks 961 are connected through one arc transition rack 962 at the triangle included angle, wherein the arc transition racks are not connected at the rest included angle, a notch is formed by the graph enclosed by the rack 96, and the two ends of the notch are respectively fixed with limiting blocks 963. The moving motor 91 can move between the two straight racks 961 through the cooperation of the gear 97 and the arc-shaped transition racks 962, so that the cleaning integrity of the filter screen 16 at the tuyere 15 is ensured.

The racks 96 are fixed with limiting blocks 963 at two ends of the notch, which can play a limiting role, prevent the moving motor 91 from separating from the slide bar 93, and can be provided with limiting switches for providing signals for the moving motor, so as to control the rotation direction of the moving motor 91 and further adjust the movement direction of the moving motor 91.

In this embodiment, the fan 23 and the moving motor 91 are connected to power lines respectively, and of course, the power sources can be shared, and in order to facilitate control of both, a control panel can be disposed outside the transformer electric box 1 for controlling the start and stop of the fan 23 and the start and stop of the moving motor 91, and the means for controlling the start and stop of the fan 23 and the moving motor 91 by using the control panel is the prior art and will not be repeated here.

Working principle: when in use, the fan 23 is started, the working principle of negative pressure is utilized to guide the external air into the metal heat dissipation pipeline 21 from the air port 15 near the fixed mounting base 12, the air is conveyed to the metal heat dissipation pipeline 21 from bottom to top through the second port 26, the heat accumulated in the pipe wall of the metal heat dissipation pipeline 21 is absorbed by utilizing the self fluidity in the moving process, at the moment, the second fins 22 utilize the good heat absorption property of the metal to quickly absorb the heat generated in the dust-free cavity 11, the heat is continuously conveyed to the pipe wall of the metal heat dissipation pipeline 21 through the heat transfer principle, then the air with the heat is output through the first port 25 and is guided out from the air port 15 near the terminal mounting top base 13, so that the heat is continuously circulated, the internal efficient heat dissipation operation of the transformer electric box 1 can be realized, the heat dissipation mechanism 2 is positioned in the natural air passage between the coils, a barrier with high-efficiency heat dissipation function is formed between the natural air passage and the inside of the transformer electric box 1 by utilizing the natural air passage, so that the natural air passage is not in direct contact with devices in the transformer electric box 1 when heat dissipation operation is carried out, the heat dissipation operation in the transformer electric box 1 is completely in a dust-free state, the whole device achieves the dust-proof function while high-efficiency internal heat dissipation is carried out, meanwhile, the influence and damage to the operation of the devices in the transformer electric box 1 caused by the invasion of dust and moisture of air can be effectively avoided, the cavity 24 is mainly prevented from entering the inside of the device under the condition of a certain dust-proof effect by the arranged filter screen 16, the operation of the fan 23 is influenced, and the air port 15 is arranged on the peripheral outer surfaces of the fixed mounting base 12 and the terminal mounting top seat 13, so that a certain rainproof and snow-proof function can be achieved, damage to the fan is prevented, and a certain popularization value is realized.

During long-term use, a large amount of impurities remain or adhere to the filter screen 16, thereby affecting the ventilation and heat exchange capacity of the tuyere 15. At this time, can play the movable motor 91, utilize the movable motor 91 to rotate, drive the gear 97 and rotate, under the cooperation of rack 96, the movable motor 91 moves on rack 96 through gear 97, the gear 97 rotates and can drive the round brush 98 and rotate, round the fixed mounting base 12 circumference in-process of moving, round brush 98 can constantly scrub the filter screen 16 of wind gap 15 department, thereby can get rid of the debris that filter screen 16 surface is attached, effectively guarantee the permeability of filter screen 16, improve the air mobility of wind gap 15, guarantee that cooling mechanism 2 can last the heat dissipation, promote the heat dissipation of transformer, avoid leading to the energy loss increase because of the heat dissipation is not good, and then can effectively practice thrift the electric energy, reduce energy loss.

In order to reduce the dust that cleans and get into the cooling mechanism 2 inside, can move the in-process that cleans at the movable motor 91, start fan 23, make fan 23 rotate and drive the air flow, blow away the dust that the round brush cleans and keep away from wind gap 15 and filter screen 16 through the mode of blowing, prevent to cause secondary pollution to cooling mechanism 2 when filter screen 16 is clean, improve cooling mechanism 2's cleanliness factor, help cooling mechanism 2 to exert normal heat dissipation function, reduce the energy loss.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.

Claims

1. The utility model provides an energy-conserving amorphous three-dimensional roll iron core transformer, includes transformer electricity case, first iron core, second iron core and third iron core, its characterized in that: the outer surface of the transformer electric box is uniformly provided with first fins, a heat dissipation mechanism is vertically arranged at the center of the inside of the transformer electric box, a first iron core, a second iron core and a third iron core are vertically and sequentially arranged on the outer side surface of the heat dissipation mechanism, a first coil is sleeved at the connecting end of the first iron core and the second iron core, a second coil is sleeved at the connecting end of the second iron core and the third iron core, and a third coil is sleeved at the connecting end of the first iron core and the third iron core; the heat dissipation mechanism comprises a metal heat dissipation pipeline, a second fin and a fan, wherein a cavity is formed in the metal heat dissipation pipeline in a penetrating manner, the fan is positioned in the cavity, the second fin is uniformly distributed on the outer surface of the metal heat dissipation pipeline, and a first port and a second port are respectively arranged at the upper end and the lower end of the metal heat dissipation pipeline; the second fin, the first port, the second port and the metal heat dissipation pipeline are integrally formed by brass, the first port and the second port respectively penetrate through the upper surface and the lower surface of the transformer electric box and are in through connection with the through holes, the inner diameters of the first port and the second port are equal to the diameter of the through holes, and the second fin is positioned in the dust-free cavity;

the dust-free cavity is formed in the transformer electric box, the bottom and the top of the transformer electric box are respectively and fixedly provided with a fixed mounting base and a terminal mounting footstock, through holes are formed in the center of the top surface of the fixed mounting base and the center of the bottom surface of the terminal mounting footstock, air inlets are formed in the outer surfaces around the fixed mounting base and the terminal mounting footstock, the air inlets are connected with the through holes in a penetrating mode, meanwhile, a filter screen is embedded in the air inlets, a filter screen cleaning device is mounted on the fixed mounting base, the filter screen cleaning device comprises a rack fixedly mounted below the base, a sliding rod with the same shape as the rack is connected to the lower portion of the rack, a linear bearing is sleeved on the sliding rod in a sliding mode, a movable motor is connected to the sliding rod through a connecting rod, an output shaft of the movable motor is provided with a gear meshed with the rack, a rolling brush right opposite to the air inlets is fixed above the gear, and bristles of the rolling brush are attached to the filter screen.

2. The energy-saving amorphous solid wound core transformer according to claim 1, wherein: the rack and the slide bar are fixed under the fixed mounting base through a plurality of support bars and are arranged along the circumference of the fixed mounting base, a notch is formed in the pattern formed by encircling the rack, and the rack comprises a straight rack and an arc transition rack connected with two adjacent straight racks.

3. The energy-saving amorphous solid wound core transformer according to claim 2, wherein: limiting blocks are respectively fixed at two ends of the notch of the rack.

4. The energy-saving amorphous solid wound core transformer according to claim 1, wherein: the first iron core, the second iron core and the third iron core are arranged in a triangular body shape, are identical to the transformer electric box in shape, are scaled in equal proportion, are fixedly arranged at the bottom and the top of the first coil, the second coil and the third coil in pairs, and are fixedly connected with the transformer electric box through bolts.