Dry-type transformer

Abstract

The utility model discloses a dry-type transformer which comprises a shell and an iron core installed in the shell. One end of the iron core is connected with a first clamp, and the other side of the iron core is connected with a second clamp; the first clamp is further provided with an air cooling mechanism. The air cooling mechanism comprises a mounting plate, one face of the mounting plate is attached to the two sides of the iron core through a rubber plate, a first air inlet pipe is arranged on one side of the mounting plate, and a second air inlet pipe is arranged on the other side of the mounting plate. Air supply units are arranged on the two air inlet pipes; the bottom face of the second clamp is further provided with a damping piece. When the air supply unit works, airflow is promoted to flow towards the iron core, the temperature of the iron core is reduced, and then the energy consumption of equipment is reduced; meanwhile, the rubber plate is clamped on the iron core through the first clamp, so that vibration generated when the iron core works can be absorbed to reduce noise of the equipment, part of vibration is absorbed through the damping piece, and therefore the noise of the equipment is reduced, and meanwhile energy consumption of the equipment in use is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage transformation equipment, in particular to a dry-type transformer. Background Art

[0002] Dry-type transformers are widely used in places like local lighting, high-rise buildings, airports, and CNC machinery at ports. Simply put, a dry-type transformer is one whose core and windings are not immersed in insulating oil. Cooling methods are divided into natural air cooling (AN) and forced air cooling (AF). With natural air cooling, the transformer can operate continuously at rated capacity for long periods of time. With forced air cooling, the transformer's output capacity can be increased by 50%. They are suitable for intermittent overload operation or emergency overload operation. Due to the large increase in load loss and impedance voltage during overload, it is an uneconomical operating state and should not be subjected to long-term continuous overload operation. Simply put, a dry-type transformer is one whose core and windings are not immersed in insulating oil.

[0003] General dry-type transformers consume a lot of energy and make a lot of noise during operation, which causes some economic losses to the company and also causes certain troubles to the staff. Utility Model Content

[0004] The purpose of the present utility model is to provide a dry-type transformer to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a dry-type transformer, comprising a shell and an iron core installed inside the shell; one end of the iron core is connected to a first clamp, and the other side of the iron core is connected to a second clamp; an air cooling mechanism is provided on the first clamp, and a shock absorber is provided on the bottom surface of the second clamp; the air cooling mechanism includes a mounting plate, one side of the mounting plate is adhered to both sides of the iron core through a rubber plate; a first air inlet pipe is provided on one side of the mounting plate, and a second air inlet pipe is provided on the other side of the mounting plate; an air supply unit is provided on the end of the first air inlet pipe and the end of the second air inlet pipe away from the mounting plate.

[0006] As a preferred technical solution of the present invention: the air supply unit includes a shell, and a fan is installed in the shell.

[0007] As an optimal technical solution of the present utility model: a filter is further provided at the lower end of the shell.

[0008] As a preferred technical solution of the present invention: the fan is movably mounted on a connecting plate provided on the inner wall of the shell, and the filter is threadedly matched with the bottom surface of the shell.

[0009] As a preferred technical solution of the present invention: a first flange is provided on each of the first air inlet pipe and the second air inlet pipe, and the first flange is connected to a second flange provided on the housing.

[0010] As a preferred technical solution of the present invention: the shock-absorbing component includes an upper clamping plate and a lower clamping plate, and a rubber pad is provided between the upper clamping plate and the lower clamping plate.

[0011] As a preferred technical solution of the present invention: the protrusions provided on both sides of the rubber pad extend to the outside of the upper clamping plate and the lower clamping plate.

[0012] By adopting the above technical solution, the beneficial effect of the utility model is as follows: when the air supply unit is working, the air flow will be prompted to flow to the iron core, thereby reducing the temperature of the iron core and thus reducing the energy consumption of the equipment; at the same time, the rubber sheet is clamped on the iron core by the first clamp, so that the vibration generated by the iron core when working can be absorbed to reduce the noise of the equipment, and the shock-absorbing member is used to absorb part of the vibration, so that the noise of the equipment can be reduced while also helping to reduce the energy consumption of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a partial exploded schematic diagram of the air cooling mechanism of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the housing of the utility model;

[0016] Figure 4 This is a schematic diagram of the exploded structure of the shock-absorbing component of the present invention.

[0017] In the figure: 1. Shell; 2. Iron core; 3. Air cooling mechanism; 30. Mounting plate; 31. Rubber plate; 32. Air supply unit; 33. First air inlet pipe; 34. Second air inlet pipe; 35. Shell; 36. Fan; 37. Filter; 38. First flange; 39. Connecting plate; 310. Second flange; 4. First clamp; 5. Second clamp; 6. Shock absorber; 60. Upper clamp; 61. Lower clamp; 62. Rubber pad; 63. Protrusion. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limitations on the present invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "upper surface", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present invention.

[0019] See also Figure 1-4 The utility model provides an embodiment: a dry-type transformer, comprising a shell 1, an iron core 2 installed inside the shell 1; one end of the iron core 2 is connected to a first clamp 4, and the other side of the iron core 2 is connected to a second clamp 5; an air cooling mechanism 3 is provided on the first clamp 4, and a shock absorber 6 is provided on the bottom surface of the second clamp 5; the air cooling mechanism 3 includes a mounting plate 30, one side of the mounting plate 30 is attached to both sides of the iron core 2 through a rubber plate 31; a first air inlet pipe 33 is provided on one side of the mounting plate 30, and a second air inlet pipe 34 is provided on the other side of the mounting plate 30; an air supply unit 32 is provided on the end of the first air inlet pipe 33 and the end of the second air inlet pipe 34 away from the mounting plate 30.

[0020] To sum up, when the air supply unit 32 is working, it will promote the air flow to the iron core 2, reduce the temperature of the iron core 2, and thus reduce the energy consumption of the equipment; at the same time, the rubber plate 31 is clamped on the iron core 2 by the first clamp 4, so it can absorb the vibration generated by the iron core 2 when it is working to reduce the noise of the equipment, and use the shock absorber 6 to absorb part of the vibration, so that the noise of the equipment can be reduced while also helping to reduce the energy consumption of the equipment.

[0021] Furthermore, the air supply unit 32 includes a housing 35 , and a fan 36 is installed in the housing 35 , so the fan 36 can be fixed by using the housing 35 .

[0022] At the same time, a filter 37 is provided at the lower end of the housing 35 , so that the filter 37 can be used to isolate impurities to reduce the impurities from entering the iron core 2 . At the same time, the airflow generated by the fan 36 can also blow away dust or impurities attached to the iron core 2 .

[0023] In addition, the fan 36 is movably mounted on a connecting plate 39 provided on the inner wall of the housing 35, so that the fan 36 is easy to assemble and disassemble. At the same time, the filter 37 is screwed together with the bottom surface of the housing 35, which makes the filter 37 easy to assemble and disassemble.

[0024] At the same time, a first flange 38 is provided on each of the first air inlet pipe 33 and the second air inlet pipe 34, and the first flange 38 is connected to a second flange 310 provided on the housing 35. This makes the connection and disconnection of the entire air supply unit 32 and the two air inlet pipes simple and convenient, making it easy to disassemble the air supply unit 32 for maintenance and repair.

[0025] On the basis of the above solution, since the shock absorber 6 includes an upper clamping plate 60 and a lower clamping plate 61, and a rubber pad 62 is provided between the upper clamping plate 60 and the lower clamping plate 61, the rubber pad 62 can be reliably fixed to prevent displacement of the rubber pad 62 during use.

[0026] Furthermore, since the protrusions 63 on both sides of the rubber pad 62 extend to the outside of the upper clamping plate 60 and the lower clamping plate 61, the phenomenon of vibration being transmitted outward due to direct contact between the two clamping plates can be avoided. In addition, an elliptical hole is provided in the middle of the rubber pad 62, which can reduce the weight of the rubber pad 62 and slow down the propagation speed of vibration.

[0027] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It is apparent to those skilled in the art that various changes, modifications, substitutions, and variations to these embodiments may be made without departing from the principles and spirit of the present invention, and these changes and modifications still fall within the scope of protection of the present invention.

Claims

1. A dry-type transformer, characterized in that: It comprises a housing (1) and an iron core (2) installed inside the housing (1); One end of the iron core (2) is connected to a first clamp (4), and the other side of the iron core (2) is connected to a second clamp (5). An air cooling mechanism (3) is provided on the first clamp (4), and a shock absorbing member (6) is provided on the bottom surface of the second clamp (5); The air cooling mechanism (3) comprises a mounting plate (30), one side of the mounting plate (30) being attached to both sides of the iron core (2) via a rubber plate (31); A first air intake pipe (33) is provided on one side of the mounting plate (30), and a second air intake pipe (34) is provided on the other side of the mounting plate (30); An air supply unit (36) is provided at one end of the first air inlet pipe (33) and the second air inlet pipe (34) away from the mounting plate (30).

2. A dry-type transformer according to claim 1, characterized in that: The air supply unit (32) includes a housing (35), and a fan (36) is installed in the housing (35).

3. A dry-type transformer according to claim 2, characterized in that: A filter screen (37) is also provided at the lower end of the housing (35).

4. A dry-type transformer according to claim 3, characterized in that: The fan (36) is movably mounted on a connecting plate (39) provided on the inner wall of the housing (35), and the filter (37) is threadedly engaged with the bottom surface of the housing (35).

5. The dry-type transformer according to claim 4, characterized in that: The first air inlet pipe (33) and the second air inlet pipe (34) are both provided with a first flange (38), and the first flange (38) is connected to a second flange (310) provided on the housing (35).

6. A dry-type transformer according to any one of claims 1 to 5, characterized in that: The shock-absorbing member (6) comprises an upper clamping plate (60) and a lower clamping plate (61), and a rubber pad (62) is provided between the upper clamping plate (60) and the lower clamping plate (61).

7. The dry-type transformer according to claim 6, characterized in that: The protrusions (63) provided on both sides of the rubber pad (62) extend to the outside of the upper clamping plate (60) and the lower clamping plate (61).

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