CN-224232454-U - Heat radiation structure of transformer

CN224232454UCN 224232454 UCN224232454 UCN 224232454UCN-224232454-U

Abstract

The utility model belongs to the technical field of transformers, and provides a radiating structure of a transformer, which comprises radiating fin groups fixedly arranged on the outer side of a transformer main body, and ventilation equipment which is hoisted below an upper side plate of the transformer main body and is positioned above the radiating fin groups and used for generating wind power to strengthen air flow between the radiating fin groups. According to the utility model, wind power is generated by the ventilation equipment, so that air flow between the radiating fin groups can be enhanced in an active mode, and the heat exchange speed is improved, thereby effectively improving the radiating efficiency of the radiating fin groups.

Inventors

FAN YUQING
Fu Laiyong
WU YINAN

Assignees

内蒙古通威硅能源有限公司

Dates

Publication Date: 20260512
Application Date: 20250410

Claims (10)

1. A heat dissipation structure of a transformer, comprising: A heat sink set fixedly mounted on the outer side of the transformer main body, and And the ventilation equipment is hoisted below the upper side plate of the transformer main body and above the radiating fin groups and is used for generating wind power so as to strengthen the air flow between the radiating fin groups.
2. The heat dissipating structure of the transformer of claim 1, wherein the ventilation device is an electric fan.
3. The heat dissipation structure of a transformer according to claim 1 or 2, characterized in that: The cleaning device also comprises a cleaning component; The cleaning component is in transmission connection with the ventilation equipment and is used for cleaning dust and flying flocks attached to the radiating fin group.
4. A heat dissipation structure for a transformer as recited in claim 3, wherein: the cleaning assembly comprises a transmission unit and a cleaning unit which are connected with each other; The transmission unit is used for transmitting the power of the ventilation equipment to the cleaning unit; The cleaning unit can reciprocate between the radiating fin groups so as to clean dust and flying cotton wool attached to the radiating fin groups.
5. The heat dissipation structure of a transformer according to claim 4, wherein: The transmission unit comprises a first belt pulley, a synchronous belt and a second belt pulley which are sequentially in transmission connection, wherein the first belt pulley is fixedly connected with a motor output shaft of the ventilation equipment, the second belt pulley is fixedly connected with a transmission rod, and the transmission rod is rotationally connected with a lower side plate of the transformer main body through a bearing; The cleaning unit is connected with the transmission rod through a movable seat, and the movable seat can reciprocate on the transmission rod.
6. The heat dissipation structure of a transformer according to claim 5, wherein: the cleaning unit comprises a cleaning roller with an elastic hairbrush plate; The cleaning roller is connected with the movable seat and arranged between the radiating fin groups, and the elastic hairbrush plate of the cleaning roller is contacted with the radiating fin side surfaces of the radiating fin groups.
7. The heat dissipation structure of a transformer according to claim 6, wherein: The cleaning roller is rotationally connected with the movable seat; One end of the cleaning roller, which is far away from the movable seat, is fixedly connected with a gear; the gear is meshed with a rack; the rack is fixed between the upper side plate and the lower side plate of the transformer main body and is positioned between the radiating fins of the radiating fin group.
8. The heat dissipating structure of a transformer according to claim 6 or 7, wherein the elastic brush plates are uniformly distributed in a plurality of pieces around an axial circumference of the sweeping roller.
9. The heat dissipation structure of a transformer according to any one of claims 5 to 7, wherein: The circumference surface of the transmission rod is provided with a reciprocating spiral groove; The movable seat is provided with a through hole with an aperture matched with the transmission rod, the through hole is radially communicated with a sliding groove, a sliding rod is arranged in the sliding groove, one end of the sliding rod extends out of the sliding groove and is connected with a swinging ball, and the swinging ball is arranged in the through hole and is in sliding connection with the reciprocating spiral groove to form a spiral reciprocating mechanism; And a compressed spring is arranged between one end of the sliding rod, which is far away from the swinging ball, and one end of the sliding groove, which is far away from the through hole.
10. The heat dissipation structure of a transformer according to claim 9, wherein: three transmission units are arranged on the ventilation equipment at equal intervals, and the transmission units correspond to one transmission unit; The movable seat is in a strip-shaped structure and is connected with the transmission rods of all the transmission units; The cleaning units are arranged at equal intervals and are arranged among the radiating fins of the radiating fin group in a one-to-one mode.

Description

Heat radiation structure of transformer Technical Field The utility model relates to the technical field of transformers, in particular to a heat dissipation structure of a transformer. Background A transformer is an electric device for changing an alternating current voltage, which realizes a voltage increase or decrease by using a turns ratio of a primary coil and a secondary coil mainly by an electromagnetic induction principle. In this process, the changing magnetic field generates heat in the coil, which causes the temperature inside the transformer to rise, thereby affecting the reliability and safety of the working performance of the transformer, and therefore, a cooling fin needs to be added to cool the transformer. In addition, the radiating fin needs to be exposed to be fully contacted with the external air, so that dust and flying flocks in the air are easily attached to the radiating fin, and the heat conduction performance of the radiating fin is further reduced. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides a radiating structure of a transformer, which aims to solve the problems that the existing radiating fin can only passively receive natural convection of external air to take away heat to realize radiating, the radiating efficiency is low, and in addition, the radiating fin needs to be exposed to be fully contacted with the external air, so that dust and flying flocks in the air are easily attached to the radiating fin, and the heat conductivity of the radiating fin is reduced. In order to achieve the above purpose, the present utility model provides the following technical solutions: a heat dissipation structure of a transformer, comprising: A heat sink set fixedly mounted on the outer side of the transformer main body, and And the ventilation equipment is hoisted below the upper side plate of the transformer main body and above the radiating fin groups and is used for generating wind power so as to strengthen the air flow between the radiating fin groups. In one embodiment of the disclosure, the ventilation device is an electric fan. In one embodiment of the present disclosure, a cleaning assembly is also included; The cleaning component is in transmission connection with the ventilation equipment and is used for cleaning dust and flying flocks attached to the radiating fin group. In one embodiment of the disclosure, the cleaning assembly includes a transmission unit and a cleaning unit connected to each other; The transmission unit is used for transmitting the power of the ventilation equipment to the cleaning unit; The cleaning unit can reciprocate between the radiating fin groups so as to clean dust and flying cotton wool attached to the radiating fin groups. In one embodiment of the application, the transmission unit comprises a first belt pulley, a synchronous belt and a second belt pulley which are sequentially in transmission connection, wherein the first belt pulley is fixedly connected with a motor output shaft of the ventilation equipment, the second belt pulley is fixedly connected with a transmission rod, and the transmission rod is rotatably connected with a lower side plate of the transformer main body through a bearing; The cleaning unit is connected with the transmission rod through a movable seat, and the movable seat can reciprocate on the transmission rod. In one embodiment of the disclosure, the cleaning unit includes a cleaning roller with an elastic brush plate; The cleaning roller is connected with the movable seat and arranged between the radiating fin groups, and the elastic hairbrush plate of the cleaning roller is contacted with the radiating fin side surfaces of the radiating fin groups. In one embodiment of the disclosure, the sweeping roller is rotatably connected with the movable seat; One end of the cleaning roller, which is far away from the movable seat, is fixedly connected with a gear; the gear is meshed with a rack; the rack is fixed between the upper side plate and the lower side plate of the transformer main body and is positioned between the radiating fins of the radiating fin group. In one embodiment of the present disclosure, the elastic brush plate is uniformly distributed with a plurality of pieces around an axial circumference of the sweeping roller. In one embodiment of the present disclosure, a reciprocating spiral groove is formed on the circumferential surface of the transmission rod; The movable seat is provided with a through hole with an aperture matched with the transmission rod, the through hole is radially communicated with a sliding groove, a sliding rod is arranged in the sliding groove, one end of the sliding rod extends out of the sliding groove and is connected with a swinging ball, and the swinging ball is arranged in the through hole and is in sliding connection with the reciprocating spiral groove to form a spiral reciprocating mechanism; And a compressed spring is ar