CN216562703U

CN216562703U - Auxiliary heat dissipation device for low-voltage dry-type iron core reactor

Info

Publication number: CN216562703U
Application number: CN202123306203.8U
Authority: CN
Inventors: 胡道浩; 张士会
Original assignee: Jiangsu Laibao Electric Power Co ltd
Current assignee: Jiangsu Laibao Electric Power Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-17
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an auxiliary heat dissipation device for a low-voltage dry-type iron core reactor, which comprises a heat dissipation support plate, wherein the bottom of the heat dissipation support plate is provided with a heat dissipation inner groove, the heat dissipation inner groove is rotatably connected with two adjusting rotating shafts, the surfaces of the adjusting rotating shafts are respectively and rotatably connected with two movable sliding blocks, the surfaces of the movable sliding blocks are respectively and fixedly connected with a mounting plate, the surface of the heat dissipation support plate is provided with two mounting grooves, the mounting grooves penetrate through the surface of the heat dissipation support plate, fixing supports are respectively arranged in the mounting grooves, and fans are arranged on the surfaces of the fixing supports. According to the auxiliary heat dissipation device for the low-voltage dry-type iron core reactor, the heat dissipation supporting plate is arranged, the heat dissipation inner groove is formed in the bottom of the heat dissipation supporting plate, so that heat dissipation equipment of the heat dissipation supporting plate is suspended on the surface of the low-voltage dry-type iron core reactor, and the heat dissipated when the heat dissipation device is used is prevented from affecting the use of the low-voltage dry-type iron core reactor.

Description

Auxiliary heat dissipation device for low-voltage dry-type iron core reactor

Technical Field

The utility model relates to the technical field of heat dissipation devices, in particular to an auxiliary heat dissipation device of a low-voltage dry-type iron core reactor.

Background

In a low-voltage power distribution system, a dry-type iron core series reactor is widely applied. The series reactor has very high iron loss and large heat productivity due to the influence of harmonic waves, the temperature rise of the low-voltage series reactor is also high due to the copper loss of the coil, and meanwhile, due to factors such as poor ventilation in the cabinet, the load in the cabinet is at a high load rate, the temperature rise in the cabinet is finally greatly increased, the control of power electronics and weak current in the cabinet is easily influenced, the equipment of a temperature sensitive element is failed and cannot normally work, the service life of the element is greatly reduced, and even the reactor is burnt.

The traditional electric screen cabinet adopts heat dissipation devices such as heat dissipation fins, grid plates and the like to dissipate heat in different forms, but the heat dissipation effect is not ideal, so that the auxiliary heat dissipation device for the low-voltage dry iron core reactor is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses an auxiliary heat dissipation device of a low-voltage dry-type iron core reactor, which comprises a heat dissipation support plate, wherein the bottom of the heat dissipation support plate is provided with a heat dissipation inner groove, the heat dissipation inner groove is rotationally connected with two adjusting rotating shafts, the surfaces of the adjusting rotating shafts are respectively and rotationally connected with two movable sliders, the surfaces of the movable sliders are respectively and fixedly connected with a mounting plate, the surface of the heat dissipation support plate is provided with two mounting grooves, the mounting grooves penetrate through the surface of the heat dissipation support plate, fixing supports are respectively arranged in the mounting grooves, the surface of each fixing support is provided with a fan, and the surface of the heat dissipation support plate is provided with a protective cover.

As a preferred technical scheme of the utility model, the adjusting rotating shaft is a bidirectional screw shaft, and the movable sliding blocks are respectively arranged at two ends of the adjusting rotating shaft and are in threaded connection with the adjusting rotating shaft.

As a preferred technical scheme of the present invention, one end of the mounting plate is fixedly connected to the surface of the movable slider, the other end of the mounting plate is respectively disposed at two sides of the heat dissipation support plate, and one end of the mounting plate away from the movable slider is respectively provided with a mounting hole.

As a preferred technical scheme of the present invention, the bottom of the fixing bracket is fixedly connected to the surface of the heat dissipation support plate through a fixing block, and the bottom of the fixing bracket is provided with a fan, and an output shaft of the fan movably penetrates through the fixing bracket and is fixedly connected to the fan.

As a preferred technical scheme of the utility model, a plurality of heat dissipation holes are formed in the surface of the heat dissipation support plate, and the heat dissipation holes are arranged at equal intervals along the length direction of the heat dissipation support plate.

As a preferable technical scheme of the utility model, the cross section of the protective cover is of a trapezoidal structure, and two ends of the protective cover are respectively provided with an opening.

As a preferred technical scheme of the utility model, openings at two ends of the protective cover are communicated with each other, the bottom opening and the top opening of the protective cover are both of a circular structure, the diameter of the bottom opening of the protective cover is larger than that of the top opening, the protective cover covers the surface of the fan, and a plurality of radiating fins are arranged on the surface of the protective cover.

The utility model has the beneficial effects that:

1. according to the auxiliary heat dissipation device for the low-voltage dry-type iron core reactor, the heat dissipation support plate is arranged, the heat dissipation inner groove is formed in the bottom of the heat dissipation support plate, so that heat dissipation equipment of the heat dissipation support plate is suspended on the surface of the low-voltage dry-type iron core reactor, and the heat dissipated when the heat dissipation device is used is prevented from affecting the use of the low-voltage dry-type iron core reactor;

2. according to the auxiliary heat dissipation device for the low-voltage dry-type iron core reactor, the two fans are arranged, the fans blow heat of the low-voltage dry-type iron core reactor away, the heat is transferred through the protective cover, the heat dissipation effect of the protective cover is improved by arranging the plurality of groups of heat dissipation fins on the surface of the protective cover, the temperature of air entering the protective cover is reduced, the protective cover is designed to cool the air on one hand, and provide a protection effect for the fans on the other hand, so that the fans are prevented from being exposed and influenced by other external objects;

3. this kind of heat abstractor is assisted to low pressure dry-type iron core reactor, through set up two sets of adjustable regulation pivots in the heat dissipation inside groove, the mounted position of adjustable mounting panel, the convenient surface of installing heat abstractor at low pressure dry-type iron core reactor with heat abstractor, adjust according to the low pressure dry-type iron core reactor size of difference, and only can adjust the position of adjusting the pivot when not installing, after installing, fix between through mounting panel and low pressure dry-type iron core reactor, the unable direct contact of regulation pivot prevents that non professional from destroying the regulation pivot.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

fig. 1 is a perspective view of an auxiliary heat dissipation device of a low-voltage dry-type iron core reactor according to the present invention;

FIG. 2 is a bottom perspective view of an auxiliary heat sink for a low voltage dry core reactor of the present invention;

FIG. 3 is a perspective view of the surface of a heat dissipation support plate of the auxiliary heat dissipation device for a low-voltage dry-type iron core reactor of the present invention;

FIG. 4 is a schematic top view of a heat dissipation support plate of the auxiliary heat dissipation device for a low-voltage dry-type iron-core reactor according to the present invention;

FIG. 5 is a schematic diagram of a bottom structure of a heat dissipation support plate of the auxiliary heat dissipation device for a low-voltage dry-type iron core reactor according to the present invention;

fig. 6 is a schematic top view of the auxiliary heat sink for the low-voltage dry-type iron-core reactor according to the present invention.

In the figure: 1. a heat dissipation support plate; 2. heat dissipation holes; 3. a protective cover; 4. heat dissipation fins; 5. Mounting a plate; 6. mounting grooves; 7. fixing a bracket; 8. a fan; 9. an inner heat dissipation groove; 10. adjusting the rotating shaft; 11. mounting holes; 12. a fan; 13. the slider is moved.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-6, the auxiliary heat dissipation device for the low-voltage dry-type iron core reactor of the utility model comprises a heat dissipation support plate 1, wherein the bottom of the heat dissipation support plate 1 is provided with an inner heat dissipation groove 9, the inner heat dissipation groove 9 is rotatably connected with two adjusting rotating shafts 10, the surfaces of the adjusting rotating shafts 10 are respectively rotatably connected with two movable sliders 13, the surfaces of the movable sliders 13 are respectively and fixedly connected with a mounting plate 5, the surface of the heat dissipation support plate 1 is provided with two mounting grooves 6, the mounting grooves 6 penetrate through the surface of the heat dissipation support plate 1, the mounting grooves 6 are respectively internally provided with a fixed support 7, the surface of the fixed support 7 is provided with a fan 8, and the surface of the heat dissipation support plate 1 is provided with a protective cover 3.

Wherein, the adjusting rotating shaft 10 is a bidirectional screw shaft, and the movable sliding blocks 13 are respectively arranged at two ends of the adjusting rotating shaft 10 and are connected with the adjusting rotating shaft 10 through threads.

Wherein, the one end fixed connection of mounting panel 5 is on the surface of removing slider 13, and the other end of mounting panel 5 sets up respectively in the both sides of heat dissipation backup pad 1, and mounting hole 11 has been seted up respectively to the one end of keeping away from removing slider 13 on mounting panel 5.

Wherein, the bottom of fixed bolster 7 passes through fixed block fixed connection at the surface of heat dissipation backup pad 1, and the bottom of fixed bolster 7 is provided with fan 12, and the output shaft activity of fan 8 passes fixed bolster 7 to fixed connection is on fan 12.

Wherein, a plurality of louvres 2 have been seted up on the surface of heat dissipation backup pad 1, and louvre 2 sets up along the length direction equidistance of heat dissipation backup pad 1.

Wherein, the cross section of protection casing 3 is the trapezium structure, and the opening has been seted up respectively at the both ends of protection casing 3.

Wherein, the both ends opening part of protection casing 3 communicates each other, and 3 bottom openings of protection casing are circular structure with the open-top, and the bottom opening diameter of protection casing 3 is greater than the open-top's diameter, and protection casing 3 covers on the surface of fan 8, and the surface mounting of protection casing 3 has a plurality of heat radiation fins 4.

The working principle is as follows: when in use, the hole position arranged on the low-voltage dry-type iron core reactor is measured, two adjusting rotating shafts 10 at the bottom of the heat dissipation inner groove 9 are rotated, the adjusting rotating shafts 10 are bidirectional screw shafts, when the adjusting rotating shafts 10 rotate, the two mounting plates 5 are pressed to limit the positions of the mounting plates 5, the two mounting plates 5 are close to or far away from each other, after the proper distance is adjusted, the mounting holes 11 on the mounting plates 5 are aligned with the mounting positions on the low-voltage dry-type iron core reactor and are mounted through fixing screws, then the fan 8 is started, the fan 8 drives the fan 12 to rotate to carry out heat dissipation treatment on the low-voltage dry-type iron core reactor, the heat dissipation holes 2 on the surface of the heat dissipation support plate 1 can increase the heat dissipation effect, the heat dissipation inner groove 9 is arranged at the bottom of the heat dissipation support plate 1, so that the heat dissipation equipment of the heat dissipation support plate 1 is suspended on the surface of the low-voltage dry-type iron core reactor, the heat of the heat dissipation device is prevented from influencing the use of the low-voltage dry iron core reactor when the heat dissipation device is used, the heat of the low-voltage dry iron core reactor is blown away by the fan 12 through the two fans 8 and is transmitted through the protective cover 3, the heat dissipation effect of the protective cover 3 is increased by arranging a plurality of groups of heat dissipation fins 4 on the surface of the protective cover 3, the temperature of air entering the protective cover 3 is reduced, the protective cover 3 is designed to cool the air on one hand and provide protection for the fans 8 on the other hand so as to prevent the fans 8 from being exposed and influenced by other external objects, the installation position of the installation plate 5 can be adjusted by arranging two groups of adjustable rotating shafts 10 in the heat dissipation inner groove 9, the heat dissipation device is conveniently installed on the surface of the low-voltage dry iron core reactor, the adjustment can be carried out according to the sizes of different low-voltage dry iron core reactors, and the position of the rotating shafts 10 can be adjusted only when the heat dissipation device is not installed, after the installation, the installation plate 5 is fixed with the low-voltage dry-type iron core reactor, so that the adjusting rotating shaft 10 cannot be in direct contact with the reactor, and the stability during installation is improved.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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 present invention.

Claims

1. The utility model provides a low pressure dry-type iron core reactor auxiliary heat abstractor, includes heat dissipation backup pad (1), its characterized in that, heat dissipation inside groove (9) have been seted up to the bottom of heat dissipation backup pad (1), and just heat dissipation inside groove (9) internal rotation is connected with two regulation pivots (10), the surface of adjusting pivot (10) rotates respectively and is connected with two and removes slider (13), and the surface of removing slider (13) is fixedly connected with mounting panel (5) respectively, two mounting grooves (6) have been seted up on the surface of heat dissipation backup pad (1), and mounting groove (6) pass the surface of heat dissipation backup pad (1), be provided with fixed bolster (7) in mounting groove (6) respectively, and the surface mounting of fixed bolster (7) has fan (8), the surface mounting of heat dissipation backup pad (1) has protection casing (3).

2. The auxiliary heat dissipation device for the low-voltage dry-type iron-core reactor as recited in claim 1, wherein the adjusting rotating shaft (10) is a bidirectional screw shaft, and the movable sliding blocks (13) are respectively arranged at two ends of the adjusting rotating shaft (10) and are in threaded connection with the adjusting rotating shaft (10).

3. The auxiliary heat dissipation device for the low-voltage dry-type iron-core reactor is characterized in that one end of the mounting plate (5) is fixedly connected to the surface of the movable sliding block (13), the other end of the mounting plate (5) is arranged on two sides of the heat dissipation support plate (1), and mounting holes (11) are formed in one end, far away from the movable sliding block (13), of the mounting plate (5).

4. The auxiliary heat dissipation device for the low-voltage dry-type iron-core reactor as recited in claim 1, wherein the bottom of the fixing support (7) is fixedly connected to the surface of the heat dissipation support plate (1) through a fixing block, a fan (12) is arranged at the bottom of the fixing support (7), and an output shaft of the fan (8) movably penetrates through the fixing support (7) and is fixedly connected to the fan (12).

5. The auxiliary heat dissipation device for the low-voltage dry-type iron core reactor as claimed in claim 1, wherein the heat dissipation support plate (1) is provided with a plurality of heat dissipation holes (2), and the heat dissipation holes (2) are arranged at equal intervals along the length direction of the heat dissipation support plate (1).

6. The auxiliary heat dissipation device for the low-voltage dry-type iron-core reactor as recited in claim 1, wherein the cross section of the protective cover (3) is a trapezoid structure, and two ends of the protective cover (3) are respectively provided with an opening.

7. The auxiliary heat dissipation device for the low-voltage dry-type iron-core reactor is characterized in that openings at two ends of the protective cover (3) are communicated with each other, the bottom opening and the top opening of the protective cover (3) are both of a circular structure, the diameter of the bottom opening of the protective cover (3) is larger than that of the top opening, the protective cover (3) covers the surface of the fan (8), and a plurality of heat dissipation fins (4) are mounted on the surface of the protective cover (3).