CN217955619U

CN217955619U - Air cooling device for dry-type transformer

Info

Publication number: CN217955619U
Application number: CN202222261218.5U
Authority: CN
Inventors: 沈斌; 黄鸣杰; 吴奇; 费秋爽; 盛广树; 何晓云; 杨俊�
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-02
Anticipated expiration: 2032-08-26

Abstract

The utility model belongs to the technical field of high-voltage transformers, and discloses an air cooling device for a dry-type transformer, which comprises a fan base, a supporting guide rail and a fan bracket; the fan base comprises a sliding guide rail and a pulley block, the pulley block extends along the length direction of the sliding guide rail, and the fan base can be arranged on one side of the transformer body; the supporting guide rail is detachably connected with one end of the sliding guide rail; fan support butt assembly pulley, fan support can follow sliding guide's length direction and slide to the support rail on, and fan support includes the support body, can arrange many fans side by side on the support body. The utility model discloses an air cooling device for dry-type transformer, fan support slidable drives many fan quick travel to the safe region at support rail place, can maintain at the transformer state of not having a power failure, and the operation personnel have safe operation environment, improve maintenance efficiency, avoid influencing the user power consumption that supplies distribution system.

Description

Air cooling device for dry-type transformer

Technical Field

The utility model relates to a high voltage transformer technical field especially relates to an air cooling device for dry-type transformer.

Background

The existing dry-type high-voltage transformer (with the voltage of 35 KV) is widely applied to a large power supply and distribution system and is a main device for completing the voltage change of a power system. Because the borne power load is very large, the air-cooled high-voltage transformer can generate a large amount of heat during working, if the heat is not dissipated in time, the high-voltage transformer generates high-temperature alarm and even generates coil burnout to stop working, and adverse effects are brought to the power supply quality and the power supply safety of a power supply and distribution system. The air cooling device can timely dissipate heat generated by the high-voltage transformer, the air cooling device of the high-voltage transformer often breaks down and stops working due to the reasons of long service time, continuous working and the like, and if the cooling function of the air cooling device is not repaired in time, the high-voltage transformer gives a high-temperature alarm and stops working, and the power supply is abnormally interrupted. In general, in order to ensure the heat dissipation effect, the air cooling devices are uniformly distributed near the power supply coil of the high-voltage transformer, and if the maintenance operation of the air cooling devices is implemented when the high-voltage transformer works, maintenance personnel face the life danger of high-voltage electric shock; if the high-voltage transformer is powered off and stops working so as to eliminate the risk of high-voltage electric shock when the air cooling device is maintained, the power failure of the power supply and distribution system is objectively caused, and adverse effects are brought to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air cooling device for dry-type transformer can maintain at the transformer state of not having a power failure, and the operation personnel have safe operation environment, improve maintenance efficiency, avoid influencing the user power consumption that supplies distribution system.

To achieve the purpose, the utility model adopts the following technical proposal:

an air cooling device for a dry-type transformer, comprising:

the fan base comprises a sliding guide rail and a pulley block, the pulley block extends along the length direction of the sliding guide rail, and the fan base can be arranged on one side of the transformer body;

the supporting guide rail is detachably connected to one end of the sliding guide rail;

the fan support, the fan support butt the assembly pulley, the fan support can be followed sliding guide's length direction slides extremely on the support rail, the fan support includes the support body, many fans of arranging side by side on the support body.

As a preferred structure of the utility model, the assembly pulley is provided with two, is two the assembly pulley set up respectively in sliding guide's both sides.

As a preferred structure of the utility model, the assembly pulley includes a plurality of first pulleys, the pivot perpendicular to of first pulley sliding guide's length direction.

As a preferred structure of the utility model, the air cooling device still includes the driving piece, the output shaft of driving piece in the assembly pulley, the driving piece is configured to the drive first pulley rotates.

As a preferred structure of the utility model, the fan support still includes two at least second pulleys, two the second pulley set up respectively in the both sides of support body, two the butt ground can be rotated to the second pulley.

As a preferred structure of the utility model, fan support still includes two deflectors, two the deflectors connect respectively in the both sides of support body and edge the length direction of support body extends, the deflector can the butt sliding guide's side.

As the utility model discloses a preferred structure, the fan base still includes the stopper, the stopper can dismantle connect in sliding guide keeps away from the one end of support rail, the stopper is configured to the restriction fan support's slip.

As a preferred structure of the utility model, the fan base still includes spacing snap ring, spacing snap ring can dismantle connect in sliding guide keeps away from the one end of stopper, spacing snap ring can the joint the support body.

As the utility model discloses a preferred structure, fan support still includes the buckle, the buckle connect in the support body, the buckle can the joint spacing snap ring.

As a preferred structure of the utility model, the fan support still includes a plurality of anti-skidding areas, and is a plurality of the anti-skidding area interval evenly set up in on the support body, the extending direction perpendicular to in anti-skidding area the length direction of support body.

The utility model has the advantages that:

the utility model provides an air cooling device for dry-type transformer, under the electrified operating condition of dry-type transformer, the fan support can slide and drive a plurality of fans to keep away from the dry-type transformer, and move fast to the safe region where the supporting guide rail is located, for the operating personnel to maintain; after maintenance is finished, the fan support is pushed to enable the fans to slide back to the working area where the fan base is located again, the dry-type transformer does not need to be powered off in the whole maintenance process, and power consumption of users of a power supply and distribution system is not affected; simple structure, convenient operation, operating personnel have safe operation environment, improve maintenance efficiency.

Drawings

Fig. 1 is a first schematic structural diagram of an air cooling device for a dry-type transformer according to an embodiment of the present invention;

fig. 2 is a top view of an air cooling device without a fan for a dry-type transformer according to an embodiment of the present invention;

fig. 3 is a side view of the air cooling device without a fan for a dry-type transformer according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an air cooling device for a dry-type transformer according to an embodiment of the present invention.

In the figure:

1. a fan base; 11. a sliding guide rail; 12. a pulley block; 121. a first pulley; 13. a limiting block; 14. a limit snap ring; 2. supporting the guide rail; 3. a fan support; 31. a frame body; 32. a second pulley; 33. a guide plate; 34. an anti-slip band; 35. buckling;

100. a fan.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do 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 thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-4, an embodiment of the present invention provides an air cooling device for a dry-type transformer, which includes a fan base 1, a support rail 2 and a fan bracket 3. Fan base 1 includes sliding guide 11 and assembly pulley 12, and assembly pulley 12 extends along sliding guide 11's length direction, and fan base 1 can set up in one side of transformer body. The support rail 2 is detachably attached to one end of the slide rail 11. 3 butt assembly pulley 12 of fan support, fan support 3 can slide to support rail 2 along sliding guide 11's length direction on, fan support 3 includes support body 31, can arrange many fans 100 on the support body 31 side by side, many fans 100 and many dry-type transformers one-to-one. When fan 100 needs to be maintained, fan support 3 above pulley block 12 is pulled, and frame body 31 slides to support rail 2, as shown in fig. 4, which is convenient for the operator to maintain. Preferably, the length of the support rail 2 may be set according to a safe region range required by the power calculation of the dry-type transformer, so that the plurality of wind turbines 100 are all within the safe region range on the support rail 2, which is not limited herein.

In the air cooling device for the dry-type transformer of the embodiment of the utility model, under the live working state of the dry-type transformer, the fan bracket 3 can slide and drive the plurality of fans 100 to be away from the dry-type transformer and quickly move to the safe region where the supporting guide rail 2 is located, so that the air cooling device can be maintained by operators; after the maintenance is finished, the fan support 3 is pushed to enable the plurality of fans 100 to slide back to the working area where the fan base 1 is located again, the dry-type transformer does not need to be powered off in the whole maintenance process, and the power consumption of users of the power supply and distribution system is not influenced; simple structure, convenient operation, operating personnel have safe operation environment, improve maintenance efficiency.

Preferably, the pulley blocks 12 are provided in two rows, and the two rows of pulley blocks 12 are respectively provided on both sides of the sliding guide rail 11. Two sets of assembly pulley 12 have better guiding performance for fan support 3's slip is more steady, avoids fan support 3 slip jamming, influences maintenance efficiency.

Preferably, the pulley block 12 includes a plurality of first pulleys 121, and as shown in fig. 2, the rotating shafts of the first pulleys 121 are perpendicular to the length direction of the sliding guide rail 11. The plurality of first pulleys 121 can reduce the frictional force with the frame body 31, and the sliding resistance of the frame body 31 is smaller, so that the first pulleys can slide onto the support rail 2 more quickly.

Preferably, the air cooling device for the dry-type transformer further comprises a driving member (not shown in the figure), an output shaft of the driving member is connected to the pulley block 12, and the driving member is configured to drive the first pulley 121 to rotate. The driving member may be a motor, and preferably, an output shaft of the motor is connected to the pulley block 12 through a transmission mechanism to drive the first pulley 121 to rotate, so that the fan support 3 slides. The driving piece can provide power for the fan bracket 3, does not need manpower to stimulate the fan bracket 3, and is safer and more convenient.

Preferably, the fan support 3 further includes at least two second pulleys 32, the two second pulleys 32 are respectively disposed on two sides of the frame body 31, and the two second pulleys 32 can rotate to abut against the ground. The second pulley 32 can not only provide support for the frame body 31 but also make the sliding resistance of the frame body 31 on the support rail 2 smaller.

Preferably, the fan bracket 3 further includes two guide plates 33, the two guide plates 33 are respectively connected to two sides of the frame body 31 and extend along the length direction of the frame body 31, and the guide plates 33 can abut against the side surfaces of the sliding guide rail 11. The guide plate 33 can provide the guide when sliding for the frame body 31, and avoid the sliding clamping stagnation caused by the inclination of the frame body 31.

Preferably, the blower base 1 further includes a limiting block 13, the limiting block 13 is detachably connected to one end of the sliding guide rail 11 away from the support guide rail 2, and the limiting block 13 is configured to limit the sliding of the blower bracket 3. The stopper 13 can limit the position of the frame body 31 on the support rail 2, and prevent the frame body 31 from separating from the blower base 1 from one end to cause equipment failure.

As preferred scheme, fan base 1 still includes spacing snap ring 14, and spacing snap ring 14 can be dismantled and connect in the one end that sliding guide 11 kept away from stopper 13, and spacing snap ring 14 can joint support body 31. The position of the frame body 31 on the support rail 2 can be limited from the other side by the limit clamp ring 14, and the limit block 13 is matched, so that the plurality of fans 100 can work at the correct position. Preferably, the limiting snap ring 14 can rotate, and when the frame body 31 slides on the support rail 2 to the working position aligned with the dry-type transformer, the limiting snap ring 14 is rotated to snap the frame body 31, so that the operation is convenient.

As preferred scheme, fan support 3 still includes buckle 35, and buckle 35 sets up in the side of support body 31, and buckle 35 can the spacing snap ring 14 of joint. The buckle 35 can be a pin and other structures and can be clamped with the groove of the limiting snap ring 14.

Preferably, the fan support 3 further includes a plurality of anti-slip bands 34, the anti-slip bands 34 are uniformly arranged on the frame body 31 at intervals, and an extending direction of the anti-slip bands 34 is perpendicular to a length direction of the frame body 31. Through a plurality of anti-skidding bands 34, can keep apart many fans 100, avoid the collision that many fans 100 slide on support body 31 and arouse, the security performance is higher.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements, and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An air-cooling device for a dry-type transformer, comprising:

the fan base (1) comprises a sliding guide rail (11) and a pulley block (12), the pulley block (12) extends along the length direction of the sliding guide rail (11), and the fan base (1) can be arranged on one side of the transformer body;

the support guide rail (2), the said support guide rail (2) connects to one end of the said sliding guide rail (11) removably;

fan support (3), fan support (3) butt assembly pulley (12), fan support (3) can be followed the length direction of sliding guide (11) slides extremely on supporting guide (2), fan support (3) include support body (31), many fans (100) can arrange side by side on support body (31).

2. Air-cooling device for dry-type transformers according to claim 1, characterized in that said sets of pulleys (12) are provided in two rows, said rows of pulleys (12) being provided on both sides of said sliding guides (11), respectively.

3. Air-cooling device for dry-type transformer according to claim 1, characterized in that the set of pulleys (12) comprises a plurality of first pulleys (121), the rotation axis of the first pulleys (121) being perpendicular to the length direction of the sliding guide rail (11).

4. Air-cooling device for a dry-type transformer according to claim 3, characterized in that it further comprises a drive, the output shaft of which is connected to the pulley set (12), said drive being configured to drive the first pulley (121) in rotation.

5. The air-cooling device for a dry-type transformer according to claim 1, wherein the fan bracket (3) further comprises at least two second pulleys (32), the two second pulleys (32) are respectively disposed on both sides of the frame body (31), and the two second pulleys (32) can rotatably abut against the ground.

6. The air-cooling device for a dry-type transformer according to claim 1, wherein the fan bracket (3) further comprises two guide plates (33), the two guide plates (33) are respectively connected to both sides of the frame body (31) and extend along the length direction of the frame body (31), and the guide plates (33) can abut against the side surfaces of the sliding guide rail (11).

7. The air-cooling device for a dry-type transformer according to claim 1, wherein the blower base (1) further comprises a stopper (13), the stopper (13) is detachably connected to an end of the sliding guide rail (11) away from the support rail (2), and the stopper (13) is configured to limit sliding of the blower bracket (3).

8. The air cooling device for the dry-type transformer according to claim 7, wherein the blower base (1) further comprises a limiting snap ring (14), the limiting snap ring (14) is detachably connected to one end of the sliding guide rail (11) far away from the limiting block (13), and the limiting snap ring (14) can be clamped with the frame body (31).

9. Air-cooling device for dry-type transformer according to claim 8, characterized in that the fan bracket (3) further comprises a buckle (35), the buckle (35) is connected to the frame body (31), the buckle (35) can be clamped with the limit snap ring (14).

10. The air-cooling device for the dry-type transformer according to any one of claims 1 to 9, wherein the fan bracket (3) further comprises a plurality of anti-slip bands (34), the anti-slip bands (34) are uniformly arranged on the frame body (31) at intervals, and the extension direction of the anti-slip bands (34) is perpendicular to the length direction of the frame body (31).