CN217114058U

CN217114058U - Heat dissipation mechanism for power transformer

Info

Publication number: CN217114058U
Application number: CN202220768360.6U
Authority: CN
Inventors: 马永青
Original assignee: Dingzhou Keda Electrical Equipment Co ltd
Current assignee: Dingzhou Keda Electrical Equipment Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-02
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a heat dissipation mechanism for a power transformer, which comprises a base and a box body arranged on the base, wherein the lower part in the box body is horizontally provided with a heat conduction base for supporting the power transformer and conducting heat to the heat generated by the power transformer; a horizontally arranged circulating air pipe is arranged between the heat conduction base and the bottom plate of the box body, and an air inlet and an air outlet of the circulating air pipe penetrate out of the side plate of the box body; the air inlet of the circulating air pipe is connected with a blower arranged on the base; and a fan positioned right above the power transformer is arranged at the top in the box body. The utility model has simple structure, good heat dissipation effect and high efficiency; the power transformer can be subjected to auxiliary heat dissipation through the arranged ventilation filter screen openings and the heat dissipation fins; the power transformer can be radiated from the top of the power transformer through the arranged fan; through the arranged circulating air pipe and the air blower, the heat of the power transformer can be dissipated from the bottom of the power transformer.

Description

Heat dissipation mechanism for power transformer

Technical Field

The utility model relates to a power transformer technical field, concretely relates to heat dissipation mechanism that power transformer used.

Background

The power transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, and the power transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like.

The power transformer can generate a large amount of heat during working, and the service life of the internal elements of the power transformer can be shortened under the long-term high-temperature working, so that the power transformer needs to be subjected to heat dissipation treatment, most of the existing heat dissipation treatment has poor effect and low efficiency. Therefore, the technical staff needs to solve the problem that the power transformer can be efficiently cooled.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve provides a heat dissipation mechanism for power transformer, and not only the radiating effect is good, and is efficient moreover.

In order to solve the technical problem, the utility model adopts the following technical proposal.

The heat dissipation mechanism for the power transformer comprises a base and a box body arranged on the base, wherein a heat conduction base for supporting the power transformer and conducting heat to heat generated by the power transformer is horizontally arranged at the lower part in the box body; a horizontally arranged circulating air pipe is arranged between the heat conduction base and the bottom plate of the box body, and an air inlet and an air outlet of the circulating air pipe penetrate out of the side plate of the box body; the air inlet of the circulating air pipe is connected with a blower arranged on the base; and a fan positioned right above the power transformer is arranged at the top in the box body.

Preferably, a motor base is arranged on a top plate of the box body, and a motor with a rotating shaft arranged downwards vertically is arranged on the motor base; and the input shaft of the fan is connected with the rotating shaft of the motor.

Preferably, a first temperature sensor is arranged at the upper part in the box body and is electrically connected with the motor; and a second temperature sensor is arranged at the lower part in the box body and is electrically connected with the air blower.

Preferably, the top plate of the box body is provided with the radiating fins which are longitudinally arranged at intervals, the bottom ends of the radiating fins penetrate into the box body, and the top ends of the radiating fins extend to the upper side of the box body.

Preferably, the two side plates of the box body are symmetrically provided with ventilation filter screen openings.

Preferably, the outer sides of the two side plates of the box body are respectively provided with a dust cover for covering the corresponding ventilation filter screen openings, and the bottom of the dust cover is in an open design.

Due to the adoption of the technical scheme, the utility model has the following technical progress.

The utility model has simple structure, good heat dissipation effect and high efficiency; the power transformer can be subjected to auxiliary heat dissipation through the arranged ventilation filter screen openings and the heat dissipation fins; the power transformer can be radiated from the top of the power transformer through the arranged fan; through the arranged circulating air pipe and the air blower, the heat of the power transformer can be dissipated from the bottom of the power transformer.

Drawings

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

fig. 2 is a schematic view of the structure of the circulation duct according to the present invention.

Wherein: 1. the air conditioner comprises a base, a box body 2, a ventilation filter screen opening 21, a dust cover 22, a heat dissipation fin 23, a heat conduction base 3, a circulating air pipe 4, a blower 5, a motor base 6, a motor 7, a motor, a fan 8, a first temperature sensor 9, a second temperature sensor 10 and a power transformer 11.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A heat dissipation mechanism for a power transformer is shown in a combined figure 1 and comprises a base 1 and a box body 2, wherein the box body 2 is arranged on the base 1, a power transformer 11 and the heat dissipation mechanism are arranged inside the box body 2, and the heat dissipation mechanism is used for dissipating heat of the power transformer 11.

The heat dissipation mechanism comprises two ventilation filter screen openings 21, heat dissipation fins 23, a fan 8 and a circulating air pipe 4, wherein the ventilation filter screen openings 21 are symmetrically arranged on two side plates of the box body 2, the ventilation condition inside the box body 2 can be ensured by the ventilation filter screen openings 21, so that heat dissipation is assisted, the ventilation air can be filtered, and dust prevention is performed inside the box body 2. The outer sides of the two side plates of the box body 2 are respectively provided with a dust cover 22, and the dust covers 22 are used for covering the corresponding ventilation filter screen openings 21 and can perform dust-proof and water-proof treatment on the interior of the box body 2; the bottom of the dust cover 22 is of an open design so as not to interfere with ventilation of the interior of the cabinet 2.

Radiating fin 23 is that a plurality of and interval set up on the roof of box 2, and radiating fin 23 vertically sets up, and the inside to box 2 is worn to radiating fin 23's bottom, and radiating fin 23's top extends to the top of box 2, and radiating fin 23 runs through the roof department of box 2 and passes through sealing process, plays waterproof effect. In use, heat is exchanged with the cool air outside the case 2 by the heat radiating fins 23, thereby performing a preliminary and effective heat radiating process on the inside of the case 2.

Be provided with motor cabinet 6 on the roof of box 2, be provided with motor 7 on motor cabinet 6, motor 7 is located power transformer 11 directly over, and the axis of rotation of motor 7 sets up perpendicularly downwards. The input shaft of the fan 8 is connected with the rotating shaft of the motor 7, and the fan 8 is driven to rotate by the motor 7, so that the power transformer 11 is effectively radiated.

The lower part level is provided with heat conduction base 3 in the box 2, and power transformer 11 sets up on heat conduction base 3. The heat conductive base 3 is used to support the power transformer 11 and to conduct heat generated by the power transformer 11. A circulating air pipe 4 is arranged between the heat conduction base 3 and the bottom plate of the box body 2, as shown in fig. 2, the circulating air pipe 4 is S-shaped, the circulating air pipe 4 is horizontally arranged, and the air inlet and the air outlet penetrate out from the side plate of the box body 2 and are sealed. The air inlet of the circulating air pipe 4 is connected with an air blower 5, the air blower 5 is arranged on the base 1, and when the air blower is used, air is blown into the circulating air pipe 4 through the air blower 5, so that heat conducted out of the power transformer 11 through the heat conducting base 3 is taken away, and effective heat dissipation is conducted on the power transformer 11.

The upper portion is provided with first temperature sensor 9 in the box 2, and the lower part is provided with second temperature sensor 10 in the box 2, and first temperature sensor 9 and the diagonal angle setting of second temperature sensor 10 are used for monitoring the temperature in the box 2. First temperature sensor 9 and motor 7 electric connection, when the temperature that first temperature sensor 9 monitored exceeded preset temperature, motor 7 started drive fan 8 and rotated and dispel the heat from power transformer 11's top. The second temperature sensor 10 is electrically connected to the blower 5, and when the temperature monitored by the second temperature sensor 10 exceeds a preset temperature, the blower 5 starts to dissipate heat from the bottom of the power transformer 11 to the power transformer 11.

When the utility model is used, the ventilation filter screen port 21 and the heat radiating fins 23 are arranged, so that the auxiliary heat radiation can be carried out on the power transformer 11; when the temperature monitored by the first temperature sensor 9 exceeds the preset temperature, the motor 7 starts to drive the fan 8 to rotate, so that the heat of the power transformer 11 is dissipated from the top of the power transformer 11; when the temperature monitored by the second temperature sensor 10 exceeds the preset temperature, the blower 5 is started to radiate heat from the bottom of the power transformer 11 to the power transformer 11.

Claims

1. Heat dissipation mechanism for power transformer includes base (1) and box (2) of setting on base (1), its characterized in that: a heat conduction base (3) for supporting the power transformer (11) and conducting heat to the heat generated by the power transformer (11) is horizontally arranged at the lower part in the box body (2); a horizontally arranged circulating air pipe (4) is arranged between the heat conduction base (3) and the bottom plate of the box body (2), and an air inlet and an air outlet of the circulating air pipe (4) penetrate out of the side plate of the box body (2); an air inlet of the circulating air pipe (4) is connected with an air blower (5) arranged on the base (1); and a fan (8) positioned right above the power transformer (11) is arranged at the top in the box body (2).

2. The heat dissipation mechanism for a power transformer as recited in claim 1, wherein: a motor base (6) is arranged on a top plate of the box body (2), and a motor (7) with a rotating shaft arranged downwards vertically is arranged on the motor base (6); and an input shaft of the fan (8) is connected with a rotating shaft of the motor (7).

3. The heat dissipation mechanism for a power transformer as recited in claim 2, wherein: a first temperature sensor (9) is arranged at the upper part in the box body (2), and the first temperature sensor (9) is electrically connected with the motor (7); and a second temperature sensor (10) is arranged at the lower part in the box body (2), and the second temperature sensor (10) is electrically connected with the air blower (5).

4. The heat dissipation mechanism for a power transformer as recited in claim 1, wherein: the heat dissipation structure is characterized in that heat dissipation fins (23) which are longitudinally arranged are arranged on a top plate of the box body (2) at intervals, the bottom ends of the heat dissipation fins (23) penetrate into the box body (2), and the top ends of the heat dissipation fins (23) extend to the upper portion of the box body (2).

5. The heat dissipation mechanism for a power transformer as recited in claim 1, wherein: and ventilation filter screen openings (21) are symmetrically formed in two side plates of the box body (2).

6. The heat dissipation mechanism for a power transformer as recited in claim 1, wherein: and dust covers (22) used for covering the corresponding ventilation filter screen openings (21) are respectively arranged on the outer sides of the two side plates of the box body (2), and the bottoms of the dust covers (22) are designed in an open mode.