CN218100890U

CN218100890U - Low-voltage high-power transformer heat abstractor

Info

Publication number: CN218100890U
Application number: CN202121439805.8U
Authority: CN
Inventors: 陈孟海
Original assignee: Huizhou Xinfa Electronics Co ltd
Current assignee: Huizhou Xinfa Electronics Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-12-20
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a low pressure high-power transformer heat abstractor, including casing, transformer body, connecting wire, the common fixedly connected with mounting panel of both ends inside wall of casing, transformer body installs the upper end at the mounting panel, first heat dissipation mechanism is installed at the interior top of casing, the both ends inside wall of casing all rotates and is connected with second heat dissipation mechanism, two all be connected through the conveyer belt between second heat dissipation mechanism and the first heat dissipation mechanism, two the lateral wall of second heat dissipation mechanism all overlaps and is equipped with rather than coaxial pivoted eccentric wheel, the both ends lateral wall of casing all runs through and is equipped with ventilation mechanism. The utility model has the advantages of reasonable design, not only can fully dispel the heat to the transformer body, avoid its high temperature phenomenon of emergence, and can carry out the heat conduction cooling to the mounting panel, avoid its long-time contact in bottom with the transformer body to make the transformer body take place the high temperature phenomenon, guarantee transformer body's life.

Description

Low-voltage high-power transformer heat abstractor

Technical Field

The utility model relates to a transformer technical field especially relates to a low pressure high power transformer heat abstractor.

Background

The power transformer is one of main equipment of a power plant and a substation, has multiple functions, can not only increase voltage to transmit electric energy to a power utilization area, but also reduce the voltage to various levels of use voltage to meet the power utilization requirement.

At present, low pressure high-power transformer is when using, installs it on the mounting panel in the install bin more to guarantee the power consumption safety, but the transformer can produce a large amount of heats in the course of the work, untimely dispels the heat to it can influence its life, and the bottom of transformer offsets with the mounting panel for a long time, can make its temperature rise gradually, can influence its life equally, for this reason we have designed a low pressure high-power transformer heat abstractor and have solved above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art but the transformer is in the course of the work, can produce a large amount of heats, untimely dispel the heat to it can influence its life, and the bottom of transformer offsets with the mounting panel for a long time, can make its temperature rise gradually, can influence its life problem equally, and the high-power transformer heat abstractor of low pressure that provides, it not only can fully dispel the heat to the transformer body, avoid it to take place the high temperature phenomenon, and can carry out the heat conduction cooling to the mounting panel, avoid its long-time contact with the bottom of transformer body to make the transformer body take place the high temperature phenomenon, guarantee the life of transformer body.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low pressure high-power transformer heat abstractor, includes casing, transformer body, connecting wire, the common fixedly connected with mounting panel of both ends inside wall of casing, the upper end at the mounting panel is installed to the transformer body, first heat dissipation mechanism is installed at the interior top of casing, the both ends inside wall of casing all rotates and is connected with second heat dissipation mechanism, two all be connected through the conveyer belt between second heat dissipation mechanism and the first heat dissipation mechanism, two the lateral wall of second heat dissipation mechanism all overlaps and is equipped with rather than coaxial pivoted eccentric wheel, the both ends lateral wall of casing all runs through and is equipped with ventilation mechanism, be equipped with heat conduction mechanism in the casing, heat conduction mechanism runs through the mounting panel and offsets with two eccentric wheels.

Preferably, the first heat dissipation mechanism comprises a motor installed at the top in the shell, and the tail end of an output shaft of the motor is fixedly connected with a first heat dissipation fan blade.

Preferably, the second heat dissipation mechanism is including rotating the first dwang of connection top in the casing, the conveyer belt is around establishing between the output shaft of first dwang and motor, the first bevel gear of bottom fixedly connected with of first dwang, the inside wall of casing rotates and is connected with the second dwang, the lateral wall fixedly connected with second heat dissipation flabellum of second dwang, the lateral wall cover of second dwang is equipped with rather than coaxial pivoted second bevel gear, second bevel gear meshes with first bevel gear mutually, the eccentric wheel cover is established at the lateral wall of second dwang and rather than coaxial rotation.

Preferably, the ventilation mechanism comprises a ventilation groove penetrating through the side wall of the shell, and a separation net is installed in the ventilation groove.

Preferably, heat conduction mechanism includes the U type heating panel of sliding connection in the casing, U type heating panel runs through the mounting panel and rather than sliding connection, U type heating panel offsets with two eccentric wheels, a plurality of heat-conducting plates of upper end fixedly connected with of U type heating panel, be connected with a plurality of springs between the interior bottom of U type heating panel and casing.

Preferably, the spring is a resilient spring.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the arrangement of the motor, the first radiating fan blades, the first rotating rod, the conveying belt, the first bevel gear, the second rotating rod, the second radiating fan blades and the second bevel gear, the transformer body can be sufficiently radiated, and the phenomenon of overhigh temperature can be avoided.

2. Through the arrangement of the eccentric wheel, the U-shaped heat dissipation plate, the heat conduction plate, the spring, the ventilation groove and the separation net, the mounting plate can be subjected to heat conduction and temperature reduction, the phenomenon that the transformer body is overhigh in temperature due to the fact that the mounting plate is in long-time contact with the bottom of the transformer body is avoided, and the service life of the transformer body is guaranteed.

To sum up, the utility model has the advantages of reasonable design, not only can fully dispel the heat to the transformer body, avoid its high temperature phenomenon of emergence, and can carry out heat conduction cooling to the mounting panel, avoid its long-time contact in bottom with the transformer body to make the transformer body high temperature phenomenon of emergence, guarantee transformer body's life.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation device for a low-voltage high-power transformer according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is an enlarged view of the structure at B in fig. 1.

In the figure: the transformer comprises a shell 1, a transformer body 2, a mounting plate 3, a motor 4, a first radiating fan blade 5, a first rotating rod 6, a conveyor belt 7, a first bevel gear 8, a second rotating rod 9, a second radiating fan blade 10, a second bevel gear 11, an eccentric wheel 12, a radiating plate 13U, a heat conducting plate 14, a spring 15, a ventilation groove 16, a separation net 17 and a connecting wire 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a heat dissipation device for a low-voltage high-power transformer includes a housing 1, a transformer body 2, and a connection line 18, where it is noted that the transformer body 2 is electrically connected to the connection line 18, which is the prior art and is not described herein too much, the inner side walls at two ends of the housing 1 are fixedly connected to a mounting plate 3, the transformer body 2 is mounted at the upper end of the mounting plate 3, the inner top of the housing 1 is mounted with a first heat dissipation mechanism, the first heat dissipation mechanism includes a motor 4 mounted at the inner top of the housing 1, the end of the output shaft of the motor 4 is fixedly connected to a first heat dissipation fan blade 5, it is noted that a gap exists between the mounting plate 3 and the front and rear inner side walls of the housing 1, the motor 4 drives the first heat dissipation fan blade 5 to rotate, and can dissipate heat at the upper end of the transformer body 2;

the inner side walls of two ends of the shell 1 are rotatably connected with second heat dissipation mechanisms, the two second heat dissipation mechanisms are connected with the first heat dissipation mechanisms through conveyor belts 7, the side walls of the two second heat dissipation mechanisms are sleeved with eccentric wheels 12 which rotate coaxially with the first heat dissipation mechanisms, each second heat dissipation mechanism comprises a first rotating rod 6 which is rotatably connected to the top in the shell 1, the conveyor belts 7 are wound between the first rotating rods 6 and output shafts of the motors 4, it is noted that under the connecting action of the conveyor belts 7, the first rotating rods 6 can rotate together with the output shafts of the motors 4, the bottoms of the first rotating rods 6 are fixedly connected with first bevel gears 8, the inner side walls of the shell 1 are rotatably connected with second rotating rods 9, the side walls of the second rotating rods 9 are fixedly connected with second heat dissipation fan blades 10, the side walls of the second rotating rods 9 are sleeved with second bevel gears 11 which rotate coaxially with the second rotating rods 9, the second bevel gears 11 are meshed with the first bevel gears 8, it is noted that the rotating rods are provided with the second heat dissipation fan blades 10, heat dissipation work can be performed on two ends of the transformer body 2, and under the meshing action of the gears 11 and the first bevel gears 8, the second bevel gears 9 can rotate together with the side walls of the second bevel gears 12;

the ventilation mechanisms are arranged on the side walls of two ends of the shell 1 in a penetrating mode and comprise ventilation grooves 16 penetrating through the side walls of the shell 1, the separation nets 17 are arranged in the ventilation grooves 16, it is noted that the ventilation grooves 16 can enable air in the shell 1 to circulate, and the separation nets 17 can prevent dust, impurities and the like from entering the shell 1;

the heat conduction mechanism is arranged in the shell 1, the heat conduction mechanism penetrates through the mounting plate 3 and abuts against the two eccentric wheels 12, the heat conduction mechanism comprises a U-shaped heat dissipation plate 13 which is connected in the shell 1 in a sliding mode, the U-shaped heat dissipation plate 13 penetrates through the mounting plate 3 and is connected with the mounting plate in a sliding mode, it needs to be noted that the mounting plate 3 can limit the U-shaped heat dissipation plate 13 and enables the U-shaped heat dissipation plate 13 to slide only in the vertical direction, the U-shaped heat dissipation plate 13 abuts against the two eccentric wheels 12, a plurality of heat conduction plates 14 are fixedly connected to the upper end of the U-shaped heat dissipation plate 13, a plurality of springs 15 are connected between the U-shaped heat dissipation plate 13 and the inner bottom of the shell 1, the springs 15 are elastic springs, it needs to be noted that in a natural state, the springs 15 can push the U-shaped heat dissipation plate 13 upwards to act together with the eccentric wheels 12 to enable the U-shaped heat dissipation plate 13 and the heat conduction plates 14 to slide up and down in a reciprocating mode, when the heat conduction plate 14 slides upwards and abuts against the mounting plate 3, a heat conduction plate 3 can play a heat conduction and cooling role, and the bottom of the mounting plate 2 can be prevented from abutting against the upper end of the mounting plate 3, and the U-shaped heat dissipation plate 13 and the heat conduction plate 14 can work when the U-shaped heat dissipation plate 13 and the heat dissipation plate 14 slide downwards.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the utility model discloses in, transformer body 2 is in the use, starter motor 4, motor 4 drives first heat dissipation flabellum 5 and rotates, dispel the heat to transformer body 2's upper end, under the linking action of conveyer belt 7, first dwang 6 rotates, under the meshing action of first bevel gear 8 and second bevel gear 11, second dwang 9, eccentric wheel 12 rotates, and then second heat dissipation flabellum 10 rotates and carries out the work of dispelling the heat to transformer body 2's both sides, spring 15 can be with eccentric wheel 12 combined action, make U type heating panel 13, heat-conducting plate 14 slides from top to bottom in the reciprocal, when heat-conducting plate 14 upwards slides and mounting panel 3 offsets, can play heat conduction cooling effect to mounting panel 3, and then can avoid transformer body 2's bottom and mounting panel 3's upper end to offset the phenomenon that takes place the high temperature, guarantee transformer body heating panel 2's life, when U type heating panel 13, heat-conducting plate 14 slides downwards and no longer offsets with mounting panel 3, U type heating panel 13, heat-conducting plate 14 can carry out self heat dissipation work, the setting of ventilation groove 16 can make the air in the casing 1 circulate, can avoid setting at a distance of net 17, can avoid impurity to get into the casing such as 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low pressure high-power transformer heat abstractor, includes casing (1), transformer body (2), connecting wire (18), its characterized in that, the common fixedly connected with mounting panel (3) of both ends inside wall of casing (1), the upper end at mounting panel (3) is installed in transformer body (2), first heat dissipation mechanism is installed at the interior top of casing (1), the both ends inside wall of casing (1) all rotates and is connected with second heat dissipation mechanism, two all be connected through conveyer belt (7) between second heat dissipation mechanism and the first heat dissipation mechanism, two the lateral wall of second heat dissipation mechanism all overlaps and is equipped with rather than coaxial pivoted eccentric wheel (12), the both ends lateral wall of casing (1) all runs through and is equipped with ventilation mechanism, be equipped with heat conduction mechanism in casing (1), heat conduction mechanism runs through mounting panel (3) and offsets with two eccentric wheels (12).

2. The heat sink for low-voltage high-power transformer according to claim 1, wherein the first heat sink mechanism comprises a motor (4) mounted at the top inside the housing (1), and the end of the output shaft of the motor (4) is fixedly connected with a first heat sink blade (5).

3. The heat dissipation device for the low-voltage high-power transformer according to claim 2, wherein the second heat dissipation mechanism comprises a first rotating rod (6) rotatably connected to the top of the housing (1), the conveyor belt (7) is wound between the output shafts of the first rotating rod (6) and the motor (4), a first bevel gear (8) fixedly connected to the bottom of the first rotating rod (6), a second rotating rod (9) is rotatably connected to the inner side wall of the housing (1), a second heat dissipation fan blade (10) fixedly connected to the side wall of the second rotating rod (9), a second bevel gear (11) coaxially rotating with the second rotating rod is sleeved on the side wall of the second rotating rod (9), the second bevel gear (11) is meshed with the first bevel gear (8), and the eccentric wheel (12) is sleeved on the side wall of the second rotating rod (9) and coaxially rotates with the second rotating rod.

4. The heat sink for low-voltage high-power transformer according to claim 1, wherein the ventilation mechanism comprises a ventilation slot (16) penetrating through the side wall of the housing (1), and a separation net (17) is installed in the ventilation slot (16).

5. The heat sink for low-voltage high-power transformer according to claim 1, wherein the heat conducting mechanism comprises a U-shaped heat dissipating plate (13) slidably connected in the housing (1), the U-shaped heat dissipating plate (13) penetrates through the mounting plate (3) and is slidably connected therewith, the U-shaped heat dissipating plate (13) abuts against the two eccentric wheels (12), the upper end of the U-shaped heat dissipating plate (13) is fixedly connected with a plurality of heat conducting plates (14), and a plurality of springs (15) are connected between the U-shaped heat dissipating plate (13) and the inner bottom of the housing (1).

6. The heat sink for low-voltage high-power transformers according to claim 5, characterized in that said spring (15) is a spring.