CN213070788U - Single-phase oil-immersed transformer - Google Patents

Abstract

The utility model discloses a single-phase oil-immersed transformer, which comprises a first shell, wherein two first chutes are symmetrically arranged on the inner side bottom wall of the first shell, the inner side walls of the first chutes are symmetrically and slidably connected with two first sliders, the tops of two adjacent first sliders are fixedly connected with a first supporting rod, and the outer side walls of the first supporting rods are respectively sleeved with a first spring and two third tube bodies; through the setting of first casing, can have the effect of protection to the oil tank, cooperation third body, first spring, the second casing, the second bracing piece, the use of second slider and second spring isotructure, receive the collision or when striking at this device, make first spring and second spring receive the extrusion, thereby slow down the external pressure of applying, produce the thrust reaction simultaneously, thereby reduce the influence that vibrations brought, utilize U-shaped pipe and water tank storage cold water, thereby can dispel the heat from the oil tank is inside, the use of cooperation wave fin, radiating effect has been strengthened.

Description

Single-phase oil-immersed transformer

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is a single-phase oil-immersed transformer.

Background

As is well known, a transformer is a device for changing an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The single-phase transformer is a transformer with a primary winding and a secondary winding both of which are single-phase windings. The single-phase transformer has the advantages of simple structure, small volume, low loss, mainly low iron loss, and suitability for application and popularization in a low-voltage distribution network with low load density. Current single-phase oil-immersed transformer lacks protection and damping device for this equipment receives the damage easily when the transportation or receive the striking, and this equipment radiating effect is not good when long-term high load uses, thereby influences the use of equipment, can make equipment stop work even, thereby influences the use of resident and mill, causes a large amount of economic losses, for this reason, provides a single-phase oil-immersed transformer.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a single-phase oil-immersed transformer.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a single-phase oil-immersed transformer comprises a first shell, wherein two first sliding grooves are symmetrically formed in the bottom wall of the inner side of the first shell, two first sliding blocks are symmetrically and slidably connected to the inner side wall of each first sliding groove, a first supporting rod is fixedly connected to the tops of the two adjacent first sliding blocks, a first spring and two third tube bodies are respectively sleeved on the outer side wall of each first supporting rod, the two ends of each first spring are respectively and fixedly connected to one side of each third tube body, the top of the outer side wall of each first spring is fixedly connected with a second shell, a second supporting rod is hinged to the top of each second shell, a second sliding block is hinged to one end, away from the second shell, of each second supporting rod, a third shell is slidably connected to the outer side wall of each second sliding block, and a second spring is fixedly connected to the inner side wall of each third shell and one end of each second sliding block, four the top fixedly connected with fourth casing of third casing, water tank and oil tank have been welded respectively to the inside wall of fourth casing, the inside of oil tank is equipped with the U-shaped pipe, the both ends of U-shaped pipe are equallyd divide and are do not run through the lateral wall of oil tank with the inside wall of water tank, the inside bottom fixedly connected with box of oil tank, the internally mounted of box has the iron core, the lateral wall of iron core is respectively around being equipped with first winding and second winding, first winding with the second winding is single-phase winding, low-voltage bushing and high-voltage bushing are installed respectively to the top of oil tank.

Preferably, four second chutes are symmetrically arranged on the inner side wall of the first shell, a fifth shell is slidably connected to the inner side wall of the second chutes, a third supporting rod is slidably connected to the inner side wall of the fifth shell, the third supporting rod is far away from one end of the fifth shell, the one end of the fifth shell is fixedly connected to the outer side wall of the fourth shell, and a third spring is fixedly connected to the inner side wall of the fifth shell and one side of the third supporting rod.

Preferably, the outer side wall of the third supporting rod is symmetrically and fixedly connected with two fixing blocks, and one side, far away from the third supporting rod, of each fixing block is connected to the adjacent inner side wall of the fifth shell in a sliding mode.

Preferably, the top of water tank intercommunication has first body, first body is kept away from the one end of water tank is installed first valve, the top of oil tank intercommunication has the second body, the second body is kept away from the one end of oil tank is installed the second valve.

Preferably, the outer side wall fixedly connected with heat-conducting plate of third casing, the even fixedly connected with copper pipe in one side of heat-conducting plate, the copper pipe is kept away from the one end of heat-conducting plate runs through respectively the fourth casing with the inside wall of oil tank, the heat-conducting plate is kept away from one side fixedly connected with wave fin of copper pipe.

Preferably, through holes are uniformly formed in the outer side wall of the first shell, and a heating pipe is installed on the inner side wall of the water tank.

(III) advantageous effects

Compared with the prior art, the utility model provides a single-phase oil-immersed transformer possesses following beneficial effect: through the setting of first casing, can have the effect of protection to the oil tank, cooperation third body, first spring, the second casing, the second bracing piece, the use of second slider and second spring isotructure, receive the collision or when striking at this device, make first spring and second spring receive the extrusion, thereby slow down the external pressure of applying, produce the thrust reaction simultaneously, thereby reduce the influence that vibrations brought, utilize U-shaped pipe and water tank storage cold water, thereby can dispel the heat from the oil tank is inside, the use of cooperation wave fin, radiating effect has been strengthened.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a wave fin of the present invention;

fig. 3 is a schematic view of the top view structure of the middle water tank of the present invention.

In the figure: 1. a first housing; 2. a first chute; 3. a first slider; 4. a first support bar; 5. a third tube; 6. a first spring; 7. a second housing; 8. a second support bar; 9. a second slider; 10. a second spring; 11. a third housing; 12. a fourth housing; 13. a water tank; 14. an oil tank; 16. a box body; 17. an iron core; 18. a first winding; 19. a second winding; 20. heating a tube; 21. a first pipe body; 22. a first valve; 23. a second tube body; 24. a second valve; 25. a low-pressure bushing; 26. a high voltage bushing; 27. a copper pipe; 28. a heat conducting plate; 29. a wave-shaped heat radiating fin; 30. a second chute; 31. a fifth housing; 32. a third support bar; 33. a fixed block; 34. a through hole; 35. a U-shaped tube; 36. and a third spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a single-phase oil-immersed transformer comprises a first shell 1, wherein two first sliding grooves 2 are symmetrically formed in the bottom wall of the inner side of the first shell 1, two first sliding blocks 3 are symmetrically and slidably connected to the inner side wall of each first sliding groove 2, a first supporting rod 4 is fixedly connected to the tops of the two adjacent first sliding blocks 3, a first spring 6 and two third tube bodies 5 are respectively sleeved on the outer side wall of each first supporting rod 4 in a sleeved mode, two ends of each first spring 6 are respectively and fixedly connected with one side, adjacent to the two third tube bodies 5, of each first spring 6, a second shell 7 is fixedly connected to the top of the outer side wall of each first spring 6, a second supporting rod 8 is hinged to the top of each second shell 7, a second sliding block 9 is hinged to one end, far away from the second shell 7, of each second supporting rod 8, a third sliding block 11 is slidably connected to the outer side wall of each second sliding block 9, and a second spring 10 is, four third casing 11's top fixedly connected with fourth casing 12, water tank 13 and oil tank 14 have been welded respectively to the inside wall of fourth casing 12, the inside of oil tank 14 is equipped with U-shaped pipe 35, the inside wall that respectively runs through oil tank 14's lateral wall and water tank 13 is equallyd divide at the both ends of U-shaped pipe 35, the inside wall bottom fixedly connected with box 16 of oil tank 14, the internally mounted of box 16 has iron core 17, iron core 17's lateral wall is respectively around being equipped with first winding 18 and second winding 19, first winding 18 and second winding 19 are single-phase winding, low-voltage bushing 25 and high-voltage bushing 26 are installed respectively to the top of oil tank 14.

In this embodiment, specifically: four second sliding grooves 30 are symmetrically formed in the inner side wall of the first shell 1, the inner side wall of each second sliding groove 30 is connected with a fifth shell 31 in a sliding mode, the inner side wall of each fifth shell 31 is connected with a third supporting rod 32 in a sliding mode, one end, far away from the fifth shell 31, of each third supporting rod 32 is fixedly connected to the outer side wall of the fourth shell 12, and a third spring 36 is fixedly connected to the inner side wall of each fifth shell 31 and one side of each third supporting rod 32; when the fourth casing 12 presses the third support rod 32 due to inertia, the third support rod 32 presses the third spring 36, when the third spring 36 is pressed, the third spring 36 slows down the pressure applied by the third support rod 32, and meanwhile, the third spring 36 generates a reverse thrust to urge the third support rod 32 to reset, thereby reducing the influence caused by vibration.

In this embodiment, specifically: the outer side wall of the third support bar 32 is symmetrically and fixedly connected with two fixing blocks 33, and one side of each fixing block 33, which is far away from the third support bar 32, is connected to the inner side wall of the adjacent fifth shell 31 in a sliding manner; the fixing block 33 is disposed to limit the third support rod 32, and prevent the third support rod 32 from being completely separated from the fifth housing 31 due to the elastic force of the third spring 36.

In this embodiment, specifically: the top of the water tank 13 is communicated with a first pipe body 21, one end, far away from the water tank 13, of the first pipe body 21 is provided with a first valve 22, the top of the oil tank 14 is communicated with a second pipe body 23, and one end, far away from the oil tank 14, of the second pipe body 23 is provided with a second valve 24; the flow through the first tube 21 can be controlled by the setting of the first valve 22, and the flow through the second tube 23 can be controlled by the setting of the second valve 24.

In this embodiment, specifically: the outer side wall of the third shell 11 is fixedly connected with a heat conducting plate 28, one side of the heat conducting plate 28 is uniformly and fixedly connected with a copper pipe 27, one end of the copper pipe 27 far away from the heat conducting plate 28 respectively penetrates through the inner side walls of the fourth shell 12 and the oil tank 14, and one side of the heat conducting plate 28 far away from the copper pipe 27 is fixedly connected with a wave radiating fin 29; when the device is used at a high temperature for a long time, the copper pipe 27 quickly absorbs the oil temperature inside the oil tank 14, and then the heat is dissipated through the heat conducting plate 28 and the wave-shaped heat dissipating fin 29.

In this embodiment, specifically: through holes 34 are uniformly formed in the outer side wall of the first shell 1, and a heating pipe 20 is installed on the inner side wall of the water tank 13; through the setting of through-hole 34, can be so that the inside circulation of air of first casing 1 to help wave fin 29 to give off the heat, when this device is installed in severe cold district, through switch block start-up heating pipe 20, can heat the inside water heating of water tank 13, thereby heat the inside of oil tank 14 through U-shaped pipe 35, thereby can make this device normal operating.

In this embodiment: the model of the heating pipe 20 is XBL138, and the switch group for controlling the heating pipe 20 to start and close is installed at the top of the water tank 13, and the switch group is connected with the external mains supply and used for supplying power to the heating pipe 20.

In summary, the working principle and working process of the single-phase oil-immersed transformer are that, when the single-phase oil-immersed transformer is used, the first valve 22 is firstly opened, water is filled into the water tank 13 through the first pipe 21, the second valve 24 is opened, oil is filled into the oil tank 14 through the second pipe 23, and then the first valve 22 is closed, in the transportation process of the single-phase oil-immersed transformer, if the device is collided or bumped, the first shell 1 has a protective effect on the fourth shell 12 from the outside, the fourth shell 12 can move due to inertia, when the fourth shell 12 applies downward pressure, the second support rod 8 can deform due to the pressure on the top, so that the second slider 9 presses the second spring 10, the third pipe 5 presses the first spring 6, when the second spring 10 is pressed, the second spring 10 can slow down the pressure applied by the second slider 9, and meanwhile, the second spring 10 can generate a reverse thrust force, the second sliding block 9 is enabled to reset, thereby reducing the influence caused by vibration, when the first spring 6 is extruded, the first spring 6 can slow down the pressure applied by the third pipe body 5, meanwhile, the first spring 6 can generate a reverse thrust to enable the third pipe body 5 to reset, thereby reducing the influence caused by vibration, when the fourth shell 12 extrudes the third supporting rod 32, the third supporting rod 32 can extrude the third spring 36, when the third spring 36 is extruded, the third spring 36 can slow down the pressure applied by the third supporting rod 32, meanwhile, the third spring 36 can generate a reverse thrust to enable the third supporting rod 32 to reset, thereby reducing the influence caused by vibration, when the device is used to a high temperature for a long time, the copper pipe 27 can quickly absorb the oil temperature in the oil tank 14, then the heat is dissipated through the heat conducting plate 28 and the heat dissipating fin 29, through the arrangement of the through hole 34, the air in the first shell 1 can circulate, thereby help wave fin 29 to give off the heat, the inside temperature of oil tank 14 can be absorbed to U-shaped pipe 35, thereby heat the inside cold water of U-shaped pipe 35, can form hydrologic cycle with the cold water in the water tank 13 after the water heating in the U-shaped pipe 35, thereby reduce the inside temperature of oil tank 14, improve the radiating effect of this device, install when this device in severe cold region district, through switch group start-up heating pipe 20, can be to the inside water heating of water tank 13, thereby heat the inside of oil tank 14 through U-shaped pipe 35, thereby can make this device normal operating.

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

Claims (6)

1. A single-phase oil-immersed transformer comprises a first shell (1), and is characterized in that: the inner side bottom wall of the first shell (1) is symmetrically provided with two first sliding grooves (2), the inner side wall of each first sliding groove (2) is symmetrically and slidably connected with two first sliding blocks (3), the tops of two adjacent first sliding blocks (3) are fixedly connected with first supporting rods (4), the outer side wall of each first supporting rod (4) is respectively sleeved with a first spring (6) and two third tube bodies (5), the two ends of each first spring (6) are respectively and fixedly connected with one adjacent side of the two third tube bodies (5), the top of the outer side wall of each first spring (6) is fixedly connected with a second shell (7), the top of the second shell (7) is hinged with a second supporting rod (8), one end, far away from the second shell (7), of each second supporting rod (8) is hinged with a second sliding block (9), and the outer side wall of each second sliding block (9) is slidably connected with a third shell (11), the inner side wall of the third shell (11) is adjacent to one end of the second sliding block (9), a second spring (10) is fixedly connected to the inner side wall of the third shell (11), a fourth shell (12) is fixedly connected to the top of the third shell (11), a water tank (13) and an oil tank (14) are welded to the inner side wall of the fourth shell (12), a U-shaped pipe (35) is arranged inside the oil tank (14), the two ends of the U-shaped pipe (35) are equally divided into two parts which respectively penetrate through the outer side wall of the oil tank (14) and the inner side wall of the water tank (13), a box body (16) is fixedly connected to the bottom of the inner side wall of the oil tank (14), an iron core (17) is installed inside the box body (16), a first winding (18) and a second winding (19) are respectively wound on the outer side wall of the iron core (17), and the first winding (18), and the top of the oil tank (14) is respectively provided with a low-voltage sleeve (25) and a high-voltage sleeve (26).

2. A single-phase oil-filled transformer according to claim 1, characterized in that: four second chutes (30) have been seted up to the inside wall symmetry of first casing (1), the inside wall sliding connection of second chute (30) has fifth casing (31), the inside wall sliding connection of fifth casing (31) has third bracing piece (32), keep away from in third bracing piece (32 the one end fixed connection of fifth casing (31) in the lateral wall of fourth casing (12), the inside wall of fifth casing (31) with one side fixedly connected with third spring (36) of third bracing piece (32).

3. A single-phase oil-filled transformer according to claim 2, characterized in that: the outer side wall of the third supporting rod (32) is symmetrically and fixedly connected with two fixing blocks (33), one side, far away from the third supporting rod (32), of each fixing block (33) is connected to the adjacent inner side wall of the fifth shell (31) in a sliding mode.

4. A single-phase oil-filled transformer according to claim 1, characterized in that: the top intercommunication of water tank (13) has first body (21), first body (21) are kept away from first valve (22) are installed to the one end of water tank (13), the top intercommunication of oil tank (14) has second body (23), second body (23) are kept away from second valve (24) are installed to the one end of oil tank (14).

5. A single-phase oil-filled transformer according to claim 1, characterized in that: the lateral wall fixedly connected with heat-conducting plate (28) of third casing (11), the even fixedly connected with copper pipe (27) of one side of heat-conducting plate (28), keep away from copper pipe (27) the one end of heat-conducting plate (28) runs through respectively fourth casing (12) with the inside wall of oil tank (14), keep away from heat-conducting plate (28) one side fixedly connected with wave fin (29) of copper pipe (27).

6. A single-phase oil-filled transformer according to claim 1, characterized in that: through-holes (34) are evenly opened on the outer side wall of the first shell (1), and a heating pipe (20) is installed on the inner side wall of the water tank (13).

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