CN218414184U - Dry-type transformer cooling body - Google Patents

Abstract

The utility model provides a pair of dry-type transformer cooling body, including dry-type transformer body, protection casing and power cover, dry-type transformer body bottom is through a supporting bench fixing in the inside of protection casing, the both sides of dry-type transformer body are connected with the heat conduction frame, the heat conduction frame includes the horizontal conducting strip of both sides and a plurality of vertical conducting strip of connecting between, the both sides of protection casing are provided with mounting panel and heat dissipation window respectively, the top of protection casing is provided with a plurality of first bevel gear, first bevel gear's bottom is connected with the heat dissipation fan through first transfer line, one side meshing of first bevel gear has second bevel gear, and is a plurality of second bevel gear connects through a plurality of second transfer lines, and is a plurality of the second transfer line all is connected with driving motor through the drive belt, the power cover is located the top of protection casing, and inside first bevel gear of parcel and second bevel gear.

Description

A dry-type transformer cooling mechanism

technical field

The utility model belongs to the technical field of dry-type transformers, in particular to a cooling mechanism for dry-type transformers.

Background technique

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and other places. Simply put, dry-type transformers refer to transformers whose iron core and windings are not immersed in insulating oil. When dry-type transformers are running, As the current passes through the iron core and winding, a large amount of heat will be generated while transforming the voltage. The temperature has a significant impact on the dry-type transformer. The higher the temperature, the easier it is to cause the internal components of the transformer to burn out, and the normal operation of the transformer cannot be guaranteed. use.

Existing cooling and cooling mechanisms such as (publication number: CN211507321U, publication date: 2020-09-15, patent name: a dry-type transformer cooling system) disclose a dry-type transformer cooling system, including a box, the box A dry-type transformer is installed at the bottom of the inner wall of the box, a box opening is opened on the left side of the box, and a heat dissipation mechanism is provided on the top of the inner wall of the box, and the heat dissipation mechanism includes a temperature sensor, a motor, a first round rod, The first fan blade and the first bevel gear, the first bevel gear is fixedly connected to the bottom of the first round rod.

This cooling mechanism still has the following problems in the process of using:

1. All parts of the cooling mechanism are located inside the box body. After a long time of use, the internal meshing transmission structure is prone to aging and wear, which is inconvenient for later maintenance, and the transmission structure hinders the fan blade from moving to the dry-type transformer body. blowing heat;

2. The cooling mechanism still uses wind to cool the dry-type transformer body from the outside, which leads to the slow conduction of the temperature generated inside the dry-type transformer body to the outside, resulting in low heat dissipation efficiency.

Utility model content

In order to solve the problems in the background technology, the utility model provides a dry-type transformer cooling mechanism.

The utility model provides a dry-type transformer cooling mechanism, which includes a dry-type transformer body, a protective cover and a power cover, and is characterized in that: the bottom of the dry-type transformer body is fixed inside the protective cover through a support platform, Both sides of the transformer body are connected with a heat conduction frame, and the heat conduction frame includes transverse heat conduction fins on both sides and a plurality of longitudinal heat conduction fins connected between them, and the two sides of the protective cover are respectively provided with a mounting plate and a heat dissipation window. The top of the protective cover is provided with a plurality of first bevel gears, the bottom of the first bevel gears is connected with a cooling fan through a first transmission rod, and one side of the first bevel gears is engaged with a second bevel gear A plurality of the second bevel gears are connected through a plurality of second transmission rods, and a plurality of the second transmission rods are connected with a driving motor through a transmission belt, the power cover is located above the protective cover, and the inside wraps the first a bevel gear and a second bevel gear.

As an improvement, the heat conduction frame is made of aluminum alloy, which has good heat conduction effect and low cost.

As an improvement, the transverse heat conduction fins on both sides are respectively against the side walls of the dry-type transformer body and the protective cover, and the plurality of longitudinal heat conduction fins are arranged vertically to the transverse heat conduction fins and perpendicular to the cooling fan. The body offsets each other, which facilitates the faster export of internal heat, and increases the contact time and contact area with the wind through multiple longitudinal heat conduction fins.

As an improvement, the mounting plate is located above the heat conducting frame on one side of the protective cover, and the heat dissipation window is located on the lower side of the heat conducting frame on one side of the protective cover, which does not hinder the heat conduction and heat dissipation of the heat conducting frame to the inside of the dry-type transformer.

As an improvement, the plurality of first bevel gears are arranged above the protective cover in a linear array.

As an improvement, the heat dissipation fans are respectively located above the middle of the dry-type transformer body and above the heat conducting frames on both sides, so as to dissipate heat from the dry-type transformer body and the heat conducting frames.

As an improvement, both ends of the second transmission rod are provided with support seats on the top of the protective cover to fix the second transmission rod.

As an improvement, the driving motor is arranged in parallel with the multiple second transmission rods, and the driving motor is installed on the top inside the power cover through the fixing frame, so as to prevent the transmission belt from touching the multiple second transmission rods on the same plane.

The beneficial effects of the utility model:

1. This cooling mechanism arranges the transmission parts of multiple cooling fans outside the protective cover, and sets the power cover on the top of the transmission part, so that there is only a heat dissipation part inside the dry-type transformer, and there is no need for heat dissipation inside the protective cover. Maintenance is carried out, and the dry-type transformer and heat conduction frame are directly under the cooling fan, without any obstruction, so that the heat dissipation effect is better;

2. This cooling mechanism can more efficiently export the heat inside the dry-type transformer body through the heat conduction frames on both sides, and increase the contact area and contact time with the longitudinal heat conduction fins when the cooling fan blows downward through the longitudinal heat conduction fins, which can More efficient cooling and cooling.

Description of drawings

Fig. 1 is a structural diagram of a dry-type transformer cooling mechanism of the present invention.

Fig. 2 is a cross-sectional structure diagram of a dry-type transformer cooling mechanism of the present invention.

Fig. 3 is a top structural diagram of a dry-type transformer cooling mechanism of the present invention.

(1. Dry-type transformer body; 2. Protective cover; 3. Power cover; 4. Support platform; 5. Heat conduction frame; 6. Horizontal heat conduction sheet; 7. Multiple longitudinal heat conduction sheets; 8. Mounting plate; 9. Heat dissipation Window; 10, first bevel gear; 11, first transmission rod; 12, cooling fan; 13, second bevel gear; 14, second transmission rod; 15, transmission belt; 16, drive motor; 17, support seat ; 18, fixed frame)

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Please refer to Figures 1-3, including a dry-type transformer body 1, a protective cover 2 and a power cover 3, the bottom of the dry-type transformer body 1 is fixed inside the protective cover 2 through a support platform 4, and the dry-type transformer body 1 Both sides are connected with a heat conduction frame 5, and the heat conduction frame 5 includes transverse heat conduction fins 6 on both sides and a plurality of longitudinal heat conduction fins 7 connected between them, and the two sides of the protective cover 2 are respectively provided with a mounting plate 8 and a heat dissipation window 9. The top of the protective cover 2 is provided with a plurality of first bevel gears 10, and the bottom of the first bevel gears 10 is connected with a cooling fan 12 through a first transmission rod 11. The first bevel gears 10 One side meshes with a second bevel gear 13, and a plurality of the second bevel gears 13 are connected by a plurality of second transmission rods 14, and a plurality of the second transmission rods 14 are connected with a driving motor 16 through a transmission belt 15 , the power cover 3 is located above the protective cover 2 and wraps the first bevel gear 10 and the second bevel gear 13 inside.

Example 1:

Drill holes on the mounting plate 8 or disassemble the mounting plate 8 as required to install and connect the dry-type transformer body 1, and the rotation of the driving motor 16 drives the connected multiple transmission belts 15 to rotate, and then drives the connected multiple first The two transmission rods 14 rotate, and when the second transmission rod 14 rotates, the plurality of second bevel gears 13 connected above rotate, and then drive the first bevel gears 10 meshed to rotate, so that the first bevel gears 10 connected below The transmission rod and the heat dissipation fan 12 rotate to dissipate heat to the dry-type transformer and the heat conduction frame 5 below. The heat dissipation fan 12 blows the air inside the protective cover 2 and moves downward along the gaps between the longitudinal heat conduction fins 7 . And carry the derived heat in the process of moving, and finally discharge from the heat dissipation window 9 on the bottom side of the protective cover 2 to dissipate heat.

The utility model and its implementations have been described above. This description is not restrictive, and what is shown in the specific implementation is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (8)

1. A dry-type transformer cooling mechanism, comprising a dry-type transformer body (1), a protective cover (2) and a power cover (3), characterized in that: the bottom of the dry-type transformer body (1) passes through the support platform (4 ) is fixed inside the protective cover (2), and the two sides of the dry-type transformer body (1) are connected with a heat conduction frame (5), and the heat conduction frame (5) includes lateral heat conduction fins (6) on both sides and A plurality of longitudinal heat conduction fins (7) connected between, the two sides of the protective cover (2) are respectively provided with a mounting plate (8) and a heat dissipation window (9), and the top of the protective cover (2) is provided with a plurality of First bevel gear (10), the bottom of the first bevel gear (10) is connected with cooling fan (12) by the first transmission rod (11), one side of the first bevel gear (10) Engage with the second bevel gear (13), a plurality of the second bevel gears (13) are connected by a plurality of second transmission rods (14), and a plurality of the second transmission rods (14) are all passed through the transmission belt ( 15) A drive motor (16) is connected, the power cover (3) is located above the protective cover (2), and the first bevel gear and the second bevel gear (13) are wrapped inside. 2. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the heat conducting frame (5) is made of aluminum alloy. 3. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the transverse heat conduction fins (6) on both sides are respectively offset against the side walls of the dry-type transformer body (1) and the protective cover (2) , the plurality of longitudinal heat conduction fins (7) are arranged vertically to the transverse heat conduction fins (6) and to the heat dissipation fan (12). 4. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the mounting plate (8) is located above the heat conducting frame (5) on one side of the protective cover (2), and the heat dissipation window (9) It is located on the lower side of the heat conducting frame (5) on one side of the protective cover (2). 5. A dry-type transformer cooling mechanism according to claim 1, characterized in that the plurality of first bevel gears (10) are arranged above the protective cover (2) in a linear array. 6. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the heat dissipation fans (12) are respectively located above the middle of the dry-type transformer body (1) and above the heat conducting frames (5) on both sides . 7. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the two ends of the second transmission rod (14) are located on the top of the protective cover (2) and are provided with support seats (17). 8. A dry-type transformer cooling mechanism according to claim 1, characterized in that: the drive motor (16) is arranged in parallel with a plurality of second transmission rods (14), and the drive motor (16) passes through the fixing frame (18) is installed on the top of power cover (3) inboard.

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