CN212750596U

CN212750596U - Energy-saving and heat-dissipating oil-immersed transformer

Info

Publication number: CN212750596U
Application number: CN202022007991.XU
Authority: CN
Inventors: 熊建华; 闵志刚; 秦溯; 李中青; 徐明龙; 杨旭东
Original assignee: Hubei Tianyuan Power Transf Co ltd
Current assignee: Hubei Tianyuan Power Transf Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-03-19
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses an energy-saving and heat-dissipating oil-immersed transformer, which comprises a housing, the middle position in the housing is provided with a transformer body, the bottom of the transformer body is provided with a support column of an integrated structure, a fixing bottom plate which is fixedly connected through welding is arranged below the support column, the transformer body is connected with the housing through a fixing bolt on the fixing bottom plate, two ends of the transformer body are provided with a refrigeration compressor for providing heat for the housing, the top of the inner wall of the housing is provided with a ventilation bin for ventilating the housing, the bottom of the ventilation bin is provided with a temperature sensor for measuring the temperature in the housing, the left side of the ventilation bin is provided with a control bin, a controller which is connected with a terminal controller network is arranged in the control bin, and the temperature sensor is electrically connected with the controller; the utility model discloses a refrigeration compressor, the ventilation storehouse of design can reduce the equipment temperature fast to adopt natural draft complex mode, strengthen radiating effect, improve equipment's life.

Description

Energy-saving and heat-dissipating oil-immersed transformer

Technical Field

The utility model relates to an oil-immersed transformer equipment technical field specifically is an energy-conserving radiating oil-immersed transformer.

Background

At present, when the transformer runs, the loss in the winding and the iron core generates a large amount of heat, and the heat must be dissipated in time so as not to cause insulation damage due to overheating. For a small-capacity transformer, the ratio of the external surface area to the volume of the transformer is relatively large, and heat can be dissipated by radiation and natural convection in a self-cooling mode. The losses of the transformer are proportional to its volume, which increases with the capacity of the transformer, to the third power of the core size, while the external surface area increases only to the second power of the size. Therefore, the large-capacity transformer core and the winding need to be immersed in oil, and a cooling measure of white and cold immersion of the oil is adopted. The surface of the oil tank is made into a corrugated shape to increase the radiating surface, or a fin type or flat tube radiator is additionally arranged to enable oil to circularly flow in the radiator. With the increasing demand for high-voltage, ultra-high voltage and large-capacity transformers, the demand for finned radiators dedicated for transformers is increasing gradually.

However, in actual use, the transformer radiating effect of this kind of structure is not ideal, and the position that the fan was placed in addition adsorbs dust and debris easily and blows to the fin for the fin surface accumulation dust, the radiating effect variation needs frequent maintenance, and generally the fin need coat thick protective layer and protect, has influenced the radiating effect of fin.

Therefore, the inventor provides the energy-saving and heat-dissipating oil-immersed transformer by combining various factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving radiating oil-immersed transformer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an energy-conserving radiating oil-immersed transformer, includes the casing, the inside intermediate position of casing is equipped with the transformer body, and transformer body bottom is equipped with the support column of structure as an organic whole, and the support column below is equipped with the PMKD that links to each other through welded fastening, the transformer body passes through fixing bolt on the PMKD and links to each other with the casing, transformer body both ends are equipped with and are used for providing the compressor with heat for the casing, shells inner wall top is equipped with the ventilation storehouse that is used for ventilating for the casing, and ventilation storehouse bottom is equipped with the temperature sensor who is used for measuring the inside temperature of casing, ventilation storehouse left side is equipped with the control storehouse, be equipped with the controller with terminal controller network connection in the control storehouse, temperature sensor passes through the electrical property with.

When the transformer body works, all elements in the shell are installed at corresponding positions, the transformer body is started to work, meanwhile, the temperature sensor can be used for measuring the temperature in the shell, when the temperature exceeds a set value on a terminal controller, the refrigeration compressor is started to provide cooling for the shell, the temperature of the transformer body can be effectively cooled, the working efficiency of the transformer body is improved, and the ventilation bin can also be used for removing water vapor generated by cooling, so that the protection effect is provided for equipment; compared with the traditional oil-immersed transformer with the energy-saving and heat-dissipating functions, the oil-immersed transformer can not only quickly reduce the temperature of equipment, but also adopt the natural ventilation mode to be matched with each other, thereby ensuring the heat-dissipating effect of the equipment and simultaneously prolonging the service life of the equipment.

As a further aspect of the present invention: the ventilating bin is fixed on the inner wall of the left side of the shell and communicated with the outside, a driving motor is arranged in the ventilating bin, fan blades are fixedly installed on the driving motor through sleeving, and the driving motor is electrically connected with a controller in the control bin; further improve the radiating effect in the casing to improve equipment's work efficiency.

As a further aspect of the present invention: a dustproof net is arranged at the position, close to the outer wall of the shell, of the ventilation bin, and the thickness of the dustproof net is the same as that of the shell; the fan blades and the driving motor are protected conveniently, dust is prevented from entering the shell, and the heat dissipation effect of the equipment is further improved.

As a further aspect of the present invention: the controller comprises a mainboard, the mainboard is provided with an MCU and a network module, the refrigeration compressor is connected with the MCU, and the MCU is connected with the terminal controller through the network module; can conveniently carry out remote setting to the temperature range of equipment, the temperature surpasss the scope value equipment and will dispel the heat automatically, can send the warning when equipment breaks down simultaneously, but timely dispatch maintainer maintains to equipment.

As a further aspect of the present invention: the controller is electrically connected with the refrigeration compressor, fixing columns which are connected through welding are arranged at two ends of the refrigeration compressor, fixing blocks which are of an integrated structure are arranged on the fixing columns, four symmetrical connecting rods are arranged on the inner wall of the shell, and the refrigeration compressor is connected with the connecting rods through fixing bolts of the fixing blocks; the working stability of the refrigeration compressor is improved conveniently, and therefore the heat dissipation effect inside the shell is further improved.

As a further aspect of the present invention: the connecting rod is fixedly connected with the inside of the shell through welding, one end, close to the transformer body, of the connecting rod is fixedly connected with a clamping block, a rubber pad is sleeved on the clamping block, and anti-skid grains are arranged on the rubber pad; the friction between the clamping block and the transformer body is convenient to enhance, and meanwhile, the firmness of the transformer body is further improved.

As a further aspect of the present invention: a filter screen is arranged at the position of the shell, which is close to the refrigeration compressor, and the thickness of the filter screen is half of that of the shell; dust in can effective filtration air further prevents that the dust from getting into to cause the influence to the transformer body, also provides radiating effect.

As a further aspect of the present invention: the handle that shell and filter screen adjacent department are equipped with structure as an organic whole with the shell, and the shape of handle is convex, is convenient for conveniently carry equipment.

As a further aspect of the present invention: the top of the shell is provided with a suspender, and the suspender is fixedly connected with the top of the shell through welding; the equipment is convenient to hang up easily during installation, thereby improving the working efficiency of installation.

As a further aspect of the present invention: the bottom of the shell is fixedly connected with a base through welding, and a screw hole for fixing equipment conveniently is formed in the base, so that the firmness of the equipment is enhanced during installation.

As a further aspect of the present invention: the surface of the shell is provided with a waterproof coating and a wear-resistant layer, the waterproof coating is a polyurethane waterproof coating, and the wear-resistant layer is made of an aluminum-silicon-chromium-titanium coating and has the thickness of 0.2 mm; so that the surface of the transformer can not rust, the service life of the whole equipment is prolonged, and the corrosion resistance of the transformer is improved

Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:

1. the utility model provides an energy-saving and heat-dissipating oil-immersed transformer, which is skillfully arranged and reasonably arranged; when the transformer body works, all elements in the shell are installed at corresponding positions, the transformer body is started to work, meanwhile, the temperature sensor can be used for measuring the temperature in the shell, when the temperature exceeds a set value on a terminal controller, the refrigeration compressor is started to provide cooling for the shell, the temperature of the transformer body can be effectively cooled, the working efficiency of the transformer body is improved, and the ventilation bin can also be used for removing water vapor generated by cooling, so that the protection effect is provided for equipment; compared with the traditional oil-immersed transformer with the energy-saving and heat-dissipating functions, the oil-immersed transformer can not only quickly reduce the temperature of equipment, but also adopt the natural ventilation mode to be matched with each other, thereby ensuring the heat-dissipating effect of the equipment and simultaneously prolonging the service life of the equipment.

2. The utility model further improves the heat dissipation effect in the shell and the working efficiency of the equipment by the fan blades designed on the driving motor; through the ventilation bin and the dust screen of design, be convenient for provide the protection to fan blade and driving motor, also prevented simultaneously that the dust from entering into in the casing to further improve equipment's radiating effect.

3. The utility model discloses further through the controller of design in the control storehouse, can conveniently carry out the remote setting to the temperature range of equipment, the temperature value equipment that surpasses will dispel the heat automatically, can send out the warning when equipment breaks down simultaneously, can be timely send the maintainer to maintain equipment; through the fixed block and the connecting rod of design, be convenient for improve compressor work and make stability to further improve the inside radiating effect of casing.

4. The utility model further adopts the rubber pad designed on the clamping block, which is convenient for enhancing the friction force between the clamping block and the transformer body and further improves the firmness degree of the transformer body; through the filter screen of design, dust in can the effective filtration air further prevents that the dust from getting into to cause the influence to the transformer body, also provides radiating effect.

5. The utility model further provides a handle which is convenient for carrying the equipment; the designed suspender is convenient for the equipment to be easily hoisted during installation, thereby improving the working efficiency of installation; the screw holes designed on the base can facilitate the firmness of the equipment during installation; waterproof paint and a wear-resistant layer are arranged on the surface of the shell, so that the surface of the shell cannot rust, the service life of the whole equipment is prolonged, and the corrosion resistance of the transformer is improved.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an energy-saving and heat-dissipating oil-immersed transformer.

Fig. 2 is a block diagram of a control system of an energy-saving and heat-dissipating oil-immersed transformer.

Fig. 3 is a schematic diagram of a three-dimensional structure of an energy-saving and heat-dissipating oil-immersed transformer.

In the figure: 1. a housing; 2. a boom; 3. a dust screen; 4. a temperature sensor; 5. a drive motor; 6. a ventilation bin; 7. A fan blade; 8. a clamping block; 9. a connecting rod; 10. a filter screen; 11. a refrigeration compressor; 12. fixing a column; 13. a base; 14. a support pillar; 15. a transformer body; 16. fixing the bottom plate; 17. a screw hole; 18. a fixed block; 19. a handle; 20. A control cabin; 50. a terminal controller; 51. a main board; 52. MCU; 53. and a network module.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, an energy-saving and heat-dissipating oil-immersed transformer includes a housing 1, a transformer body 15 is disposed at a middle position inside the housing 1, a support pillar 14 integrally formed at the bottom of the transformer body 15, a fixing bottom plate 16 fixedly connected to the support pillar 14 by welding is disposed below the support pillar 14, the transformer body 15 is connected with the shell 1 through a fixing bolt on a fixing bottom plate 16, two ends of the transformer body 15 are provided with a refrigeration compressor 11 for providing heat for the shell 1, a ventilation bin 6 for ventilating the shell 1 is arranged at the top of the inner wall of the shell 1, a temperature sensor 4 for measuring the temperature in the shell 1 is arranged at the bottom of the ventilation bin 6, the left side of the ventilation bin 6 is provided with a control bin 20, a controller connected with a terminal controller 50 through a network is arranged in the control bin 20, and the temperature sensor 4 is electrically connected with the controller.

The ventilating bin 6 is fixed on the inner wall of the left side of the shell 1 and communicated with the outside, a driving motor 5 is arranged in the ventilating bin 6, fan blades 7 are fixedly arranged on the driving motor 5 through sleeving, and the driving motor 5 is electrically connected with a controller in the control bin 20; the ventilation bin 6 is provided with a dustproof net 3 close to the outer wall of the shell 1, and the thickness of the dustproof net 3 is the same as that of the shell 1; the controller comprises a mainboard 51, the mainboard 51 is provided with an MCU52 and a network module 53, the refrigeration compressor 11 is connected with the MCU52, and the MCU52 is connected with the terminal controller 50 through the network module 53;

the controller is electrically connected with a refrigeration compressor 11, two ends of the refrigeration compressor 11 are provided with fixing columns 12 connected through welding, the fixing columns 12 are provided with fixing blocks 18 of an integrated structure, the inner wall of the shell 1 is provided with four symmetrical connecting rods 9, and the refrigeration compressor 11 is connected with the connecting rods 9 through fixing bolts of the fixing blocks 18; the connecting rod 9 is fixedly connected with the inside of the shell 1 through welding, one end, close to the transformer body 15, of the connecting rod 9 is fixedly connected with a clamping block 8, a rubber pad is sleeved on the clamping block 8, and anti-skid grains are arranged on the rubber pad; a filter screen 10 is arranged at the position, close to the refrigeration compressor 11, of the shell 1, and the thickness of the filter screen 10 is half of that of the shell 1;

a handle 19 which is integrated with the shell 1 into a whole is arranged at the position of the shell 1 adjacent to the filter screen 10, and the shape of the handle 19 is circular arc; the top of the shell 1 is provided with a suspender 2, and the suspender 2 is fixedly connected with the top of the shell 1 through welding; the bottom of the shell 1 is fixedly connected with a base 13 through welding, and the base 13 is provided with a screw hole 17 convenient for fixing equipment; the surface of the shell 1 is provided with a waterproof coating and a wear-resistant layer, the waterproof coating is a polyurethane waterproof coating, and the wear-resistant layer is made of an aluminum-silicon-chromium-titanium coating and has a thickness of 0.2 mm.

The utility model discloses a theory of operation is:

when the transformer body 15 works, all elements in the shell 1 are installed at corresponding positions, the transformer body 15 is started to work, meanwhile, the temperature sensor 4 can be used for measuring the temperature in the shell 1, when the temperature exceeds a set value on the terminal controller 50, the refrigeration compressor 11 is started to provide cooling for the shell 1, the temperature of the transformer body 15 can be effectively cooled, the working efficiency of the transformer body is improved, and the ventilation bin 6 can also be used for removing water vapor generated by cooling, so that the protection effect on equipment is provided; compared with the traditional oil-immersed transformer with the energy-saving and heat-dissipating functions, the oil-immersed transformer can not only quickly reduce the temperature of equipment, but also adopt the natural ventilation mode to be matched with each other, thereby ensuring the heat-dissipating effect of the equipment and simultaneously prolonging the service life of the equipment.

Furthermore, the fan blades 7 designed on the driving motor 5 can improve the heat dissipation effect in the shell 1 and improve the working efficiency of the equipment; through the designed ventilation bin 6 and the dust screen 3, the fan blades 7 and the driving motor 5 are protected conveniently, dust is prevented from entering the shell 1, and the heat dissipation effect of the equipment is further improved; furthermore, the temperature range of the equipment can be conveniently set remotely through the controller designed in the control bin 20, the equipment can automatically dissipate heat when the temperature exceeds the range value, and meanwhile, the equipment can give out a warning when the equipment fails, so that a maintainer can be timely dispatched to maintain the equipment; the working stability of the refrigeration compressor 11 is improved conveniently through the designed fixed block 18 and the connecting rod 9, so that the heat dissipation effect in the shell 1 is further improved;

furthermore, the rubber pads designed on the clamping blocks 8 are convenient for enhancing the friction force between the clamping blocks 8 and the transformer body 15, and the firmness of the transformer body 15 is further improved; through the designed filter screen 10, dust in the air can be effectively filtered, the dust is further prevented from entering and influencing the transformer body 15, and a heat dissipation effect is also provided; furthermore, the equipment can be conveniently carried through the designed handle 19; furthermore, the designed suspender 2 is convenient for the equipment to be easily hoisted during installation, thereby improving the working efficiency of installation; the screw holes 17 designed on the base 13 can facilitate the firmness of the equipment during installation; waterproof coating and a wear-resistant layer are arranged on the surface of the shell 1, so that the surface of the shell cannot rust, the service life of the whole equipment is prolonged, and the corrosion resistance of the transformer is improved.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An energy-saving and heat-dissipating oil-immersed transformer comprises a shell (1) and is characterized in that a transformer body (15) is arranged in the middle of the inside of the shell (1), support columns (14) of an integrated structure are arranged at the bottom of the transformer body (15), a fixing bottom plate (16) which is fixedly connected with the support columns is arranged below the support columns (14), the transformer body (15) is connected with the shell (1) through fixing bolts on the fixing bottom plate (16), refrigeration compressors (11) which are used for providing heat for the shell (1) are arranged at two ends of the transformer body (15), an air ventilation bin (6) which is used for ventilating the shell (1) is arranged at the top of the inner wall of the shell (1), a temperature sensor (4) which is used for measuring the temperature inside the shell (1) is arranged at the bottom of the air ventilation bin (6), and a control bin (20) is arranged on, the control cabin (20) is internally provided with a controller connected with a terminal controller (50) through a network, and the temperature sensor (4) is electrically connected with the controller.

2. The energy-saving and heat-dissipating oil-immersed transformer according to claim 1, wherein the ventilation bin (6) is fixed on the inner wall of the left side of the housing (1) and communicated with the outside, a driving motor (5) is arranged in the ventilation bin (6), fan blades (7) are fixedly mounted on the driving motor (5) through sleeving, and the driving motor (5) is electrically connected with a controller in the control bin (20); the ventilating bin (6) is provided with a dustproof net (3) at a position close to the outer wall of the shell (1), and the thickness of the dustproof net (3) is the same as that of the shell (1).

3. The energy-saving and heat-dissipating oil-immersed transformer according to claim 2, wherein the controller comprises a main board (51), the main board (51) is provided with an MCU (52) and a network module (53), the refrigeration compressor (11) is connected with the MCU (52), and the MCU (52) is connected with the terminal controller (50) through the network module (53) in a network manner.

4. An energy-saving and heat-dissipating oil-immersed transformer according to claim 3, wherein the controller is electrically connected with a refrigeration compressor (11), fixing columns (12) connected by welding are arranged at two ends of the refrigeration compressor (11), fixing blocks (18) of an integrated structure are arranged on the fixing columns (12), four symmetrical connecting rods (9) are arranged on the inner wall of the shell (1), and the refrigeration compressor (11) is connected with the connecting rods (9) through fixing bolts of the fixing blocks (18).

5. The energy-saving and heat-dissipating oil-immersed transformer according to claim 4, wherein the connecting rod (9) is fixedly connected with the inside of the shell (1) by welding, one end of the connecting rod (9) close to the transformer body (15) is fixedly connected with a clamping block (8), a rubber gasket is sleeved on the clamping block (8), and anti-skid grains are arranged on the rubber gasket; a filter screen (10) is arranged at the position, close to the refrigeration compressor (11), of the shell (1), and the thickness of the filter screen (10) is half of that of the shell (1).

6. An energy-saving and heat-dissipating oil-immersed transformer according to claim 5, wherein a handle (19) integrated with the housing (1) is arranged at a position where the housing (1) is adjacent to the filter screen (10), and the handle (19) is arc-shaped; the top of the shell (1) is provided with a suspender (2), and the suspender (2) is fixedly connected with the top of the shell (1) through welding; the bottom of the shell (1) is fixedly connected with a base (13) through welding, and a screw hole (17) convenient for fixing equipment is formed in the base (13).

7. An energy-saving and heat-dissipating oil-immersed transformer according to any one of claims 1 to 6, wherein a waterproof coating and a wear-resistant layer are arranged on the surface of the shell (1), the waterproof coating is a polyurethane waterproof coating, and the wear-resistant layer is made of an aluminum-silicon-chromium-titanium coating and has a thickness of 0.2 mm.