CN215770777U

CN215770777U - Dry-type transformer with high-efficient thermal diffusivity

Info

Publication number: CN215770777U
Application number: CN202122412339.0U
Authority: CN
Inventors: 王小亮
Original assignee: Xiongxian Yujun Electric Appliance Manufacturing Co ltd
Current assignee: Xiongxian Yujun Electric Appliance Manufacturing Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-02-08
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses a dry-type transformer with high-efficiency heat dissipation, which comprises a base, wherein a transformer shell is fixedly connected to the upper end of the base, a device box is fixedly connected to the bottom in the transformer shell, a transformer body is fixedly arranged at the upper end of the device box, a ventilating plate is embedded at the upper end of the device box, ventilating holes are formed in the ventilating plate, a driving motor is fixedly arranged on the side wall of the device box, an output shaft of the driving motor extends into the device box and is coaxially and fixedly connected with a reciprocating lead screw, and a heat dissipation mechanism for providing heat dissipation air for the transformer body is arranged on the reciprocating lead screw. According to the utility model, by arranging the ventilating plate, the reciprocating screw rod, the heat dissipation mechanism and the like, the coverage area of heat dissipation air can be increased, the heat dissipation effect of the heat dissipation fan on the transformer body is improved, and meanwhile, the air flow speed at the rotating groove can be increased, so that hot air in the transformer shell can rapidly flow out, and the heat dissipation performance of the transformer body is further improved.

Description

Dry-type transformer with high-efficient thermal diffusivity

Technical Field

The utility model relates to the technical field of transformers, in particular to a dry-type transformer with high-efficiency heat dissipation.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, the main components are a primary coil, a secondary coil and an iron core, while the dry-type transformer belongs to one type of transformer, the dry-type transformer is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and the dry-type transformer is simply a transformer with an iron core and a winding which are not immersed in insulating oil.

In the use of dry-type transformer, the circular telegram coil can produce a large amount of heats, if not in time handle these heats and give off, can lead to dry-type transformer's life to shorten by a wide margin, and current heat radiation structure carries out the forced air cooling heat dissipation through fixed mounting's radiator fan to the transformer body and handles, and heat radiating area is less, and the range of application is narrow, and its radiating effect is unsatisfactory, can't satisfy dry-type transformer's user demand. Therefore, it is necessary to provide a dry type transformer having high heat dissipation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a dry-type transformer with high-efficiency heat dissipation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a dry-type transformer with high heat dissipation performance comprises a base, a transformer shell is fixedly connected with the upper end of the base, the bottom in the transformer shell is fixedly connected with a device box, the upper end of the device box is fixedly provided with a transformer body, the upper end of the device box is embedded with a ventilating plate, the ventilating plate is provided with ventilating holes, the side wall of the device box is fixedly provided with a driving motor, the output shaft of the driving motor extends into the device box and is coaxially and fixedly connected with a reciprocating screw rod, the reciprocating screw rod is provided with a heat dissipation mechanism for providing heat dissipation air for the transformer body, the side wall of the transformer shell is provided with a rotating groove, a rotating plate is rotatably connected between the inner walls of the rotating groove, the lower end part of the inner wall of the transformer shell is provided with a sliding groove, and a driving mechanism for driving the rotating plate to rotate is installed in the sliding groove.

Preferably, the heat dissipation mechanism comprises a screw nut and a heat dissipation fan, the screw nut is in threaded connection with the reciprocating screw, and the heat dissipation fan is fixedly installed at the upper end of the screw nut.

Preferably, the driving mechanism comprises a sliding plate and a first connecting rod, the sliding plate is slidably connected between the inner walls of the sliding groove, one end of the first connecting rod is rotatably connected to the side wall of the sliding plate, the other end of the first connecting rod is rotatably connected to the side wall of the rotating plate, and a pushing mechanism for pushing the sliding plate to vertically reciprocate is mounted at the end part of the reciprocating lead screw.

Preferably, the pushing mechanism comprises a rotating disc and a second connecting rod, the rotating disc is coaxially and fixedly connected to the end portion of the reciprocating lead screw, one end of the second connecting rod is rotatably connected to the non-axial center of the side wall of the rotating disc, and the other end of the second connecting rod is rotatably connected to the lower end of the sliding plate.

Preferably, the upper end of the transformer shell is uniformly embedded with radiating fins, and the radiating fins are made of copper materials.

The utility model has the following beneficial effects:

1. by arranging the ventilating plate, the reciprocating lead screw, the heat dissipation mechanism and the like, when the transformer body works, the driving motor and the heat dissipation fan can be started, the heat dissipation fan generates heat dissipation air, the driving motor drives the reciprocating lead screw to rotate, and further drives the lead screw nut and the heat dissipation fan to horizontally reciprocate, so that the coverage area of the heat dissipation air can be increased, and the heat dissipation effect of the heat dissipation fan on the transformer body is improved;

2. through setting up actuating mechanism, pushing mechanism and rotor plate etc. reciprocal lead screw can drive the rolling disc when the pivoted and rotate, and the rolling disc promotes the vertical reciprocating motion of sliding plate through the second connecting rod, and the sliding plate promotes the reciprocal swing of rotor plate through first connecting rod to can accelerate the air flow speed of rotating groove department, make hot air flow out rapidly in the transformer housing, further promote the heat dispersion of transformer body.

Drawings

Fig. 1 is a schematic structural diagram of a dry-type transformer with high heat dissipation performance according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1.

In the figure: 1. a base; 2. a transformer housing; 3. a device case; 4. a transformer body; 5. a drive motor; 6. a rotating groove; 7. a rotating plate; 8. a sliding groove; 9. a heat dissipating fin; 10. a reciprocating screw; 11. a lead screw nut; 12. a heat radiation fan; 13. a ventilation board; 14. a vent hole; 15. a sliding plate; 16. a first link; 17. rotating the disc; 18. a second link.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a dry-type transformer with high-efficient thermal diffusivity, including base 1, base 1 upper end fixedly connected with transformer housing 2, bottom fixedly connected with device case 3 in transformer housing 2, device case 3 upper end fixed mounting has transformer body 4, device case 3 upper end inlays and is equipped with ventilating board 13, all is equipped with ventilation hole 14 on the ventilating board 13, fixed mounting has driving motor 5 on the device case 3 lateral wall, driving motor 5 output shaft extends to in the device case 3 and coaxial fixedly connected with reciprocating screw 10.

Install on the reciprocal lead screw 10 and be used for providing the heat dissipation mechanism of scattered hot-blast for transformer body 4, heat dissipation mechanism includes screw nut 11 and radiator fan 12, and screw nut 11 threaded connection is on reciprocal lead screw 10, and radiator fan 12 fixed mounting is in screw nut 11 upper end.

The side wall of the transformer shell 2 is provided with a rotating groove 6, a rotating plate 7 is rotatably connected between the inner walls of the rotating groove 6, the lower end part of the inner wall of the transformer shell 2 is provided with a sliding groove 8, and a driving mechanism for driving the rotating plate 7 to rotate is installed in the sliding groove 8.

The driving mechanism comprises a sliding plate 15 and a first connecting rod 16, the sliding plate 15 is connected between the inner walls of the sliding groove 8 in a sliding mode, one end of the first connecting rod 16 is connected to the side wall of the sliding plate 15 in a rotating mode, the other end of the first connecting rod 16 is connected to the side wall of the rotating plate 7 in a rotating mode, and a pushing mechanism used for pushing the sliding plate 15 to move vertically in a reciprocating mode is installed at the end portion of the reciprocating lead screw 10.

The pushing mechanism comprises a rotating disc 17 and a second connecting rod 18, the rotating disc 17 is coaxially and fixedly connected to the end portion of the reciprocating screw rod 10, one end of the second connecting rod 18 is rotatably connected to the non-axial center of the side wall of the rotating disc 17, and the other end of the second connecting rod 18 is rotatably connected to the lower end of the sliding plate 15.

Radiating fins 9 are evenly embedded at the upper end of the transformer shell 2, and the radiating fins 9 are made of copper materials.

In the utility model, when the transformer body 4 works, the driving motor 5 and the cooling fan 12 are started, the cooling fan 12 generates cooling air, the driving motor 5 drives the reciprocating screw rod 10 to rotate, and further drives the screw rod nut 11 and the cooling fan 12 to horizontally reciprocate, so that the cooling air can be uniformly conveyed to the transformer body 4 from each air vent 14, the coverage area of the cooling air is increased, and the cooling effect of the cooling air on the transformer body 4 is improved.

The reciprocating screw rod 10 drives the rotating disc 17 to rotate while rotating, the rotating disc 17 pushes the sliding plate 15 to vertically reciprocate through the second connecting rod 18, and the sliding plate 15 pushes the rotating plate 7 to reciprocate through the first connecting rod 16, so that the air flowing speed at the position of the rotating groove 6 can be increased, hot air in the transformer shell 2 flows out rapidly, and the heat dissipation performance of the transformer body 4 is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A dry-type transformer with high-efficiency heat dissipation performance comprises a base (1) and is characterized in that a transformer shell (2) is fixedly connected to the upper end of the base (1), a device box (3) is fixedly connected to the bottom of the transformer shell (2), a transformer body (4) is fixedly mounted at the upper end of the device box (3), a ventilating plate (13) is embedded at the upper end of the device box (3), ventilating holes (14) are formed in the ventilating plate (13), a driving motor (5) is fixedly mounted on the side wall of the device box (3), an output shaft of the driving motor (5) extends into the device box (3) and is coaxially and fixedly connected with a reciprocating lead screw (10), a heat dissipation mechanism for providing heat dissipation air for the transformer body (4) is mounted on the reciprocating lead screw (10), a rotating groove (6) is formed in the side wall of the transformer shell (2), the transformer is characterized in that a rotating plate (7) is rotatably connected between the inner walls of the rotating groove (6), a sliding groove (8) is formed in the lower end of the inner wall of the transformer shell (2), and a driving mechanism used for driving the rotating plate (7) to rotate is installed in the sliding groove (8).

2. The dry transformer with high heat dissipation efficiency as recited in claim 1, wherein the heat dissipation mechanism comprises a lead screw nut (11) and a heat dissipation fan (12), the lead screw nut (11) is screwed on the reciprocating lead screw (10), and the heat dissipation fan (12) is fixedly mounted on the upper end of the lead screw nut (11).

3. The dry type transformer with high heat dissipation efficiency according to claim 1, wherein the driving mechanism comprises a sliding plate (15) and a first connecting rod (16), the sliding plate (15) is slidably connected between the inner walls of the sliding slot (8), one end of the first connecting rod (16) is rotatably connected to the side wall of the sliding plate (15), the other end of the first connecting rod (16) is rotatably connected to the side wall of the rotating plate (7), and a pushing mechanism for pushing the sliding plate (15) to vertically reciprocate is mounted at the end of the reciprocating lead screw (10).

4. A dry-type transformer with high heat dissipation efficiency as recited in claim 3, wherein the pushing mechanism comprises a rotating disc (17) and a second connecting rod (18), the rotating disc (17) is coaxially and fixedly connected to the end of the reciprocating lead screw (10), one end of the second connecting rod (18) is rotatably connected to the non-axial center of the side wall of the rotating disc (17), and the other end of the second connecting rod (18) is rotatably connected to the lower end of the sliding plate (15).

5. The dry type transformer with high heat dissipation performance as recited in claim 1, wherein the heat dissipation fins (9) are uniformly embedded in the upper end of the transformer housing (2), and the heat dissipation fins (9) are made of copper material.