CN211125280U

CN211125280U - Air-cooled dry-type transformer

Info

Publication number: CN211125280U
Application number: CN201921968638.9U
Authority: CN
Inventors: 王顺
Original assignee: TAIZHOU HAITIAN ELECTRICAL MANUFACTURING CO LTD
Current assignee: TAIZHOU HAITIAN ELECTRICAL MANUFACTURING CO LTD
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-28
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to the technical field of dry-type transformers, in particular to an air-cooled dry-type transformer, which solves the defects of uneven and poor heat dissipation of the upper part and the lower part of the existing air-cooled dry-type transformer, and comprises a base, wherein three dry-type transformers are fixed in the middle of the top of the base through bolts, two sides of the top of the base are movably connected with vertically arranged rotating rods, a stepping motor is fixed in one side of the base through bolts, a control device is also arranged in one side of the base, a connecting block is sleeved outside the rotating rods, the stepping motor drives the two rotating rods positioned at two sides of the base to synchronously rotate by utilizing a driving gear, a transmission gear and a synchronous belt, the inner wall sleeved outside the stepping motor is driven to be provided with the connecting block with thread grooves corresponding to the surface threads of the rotating rods to realize lifting, so that, the heat dissipation effect is better.

Description

Air-cooled dry-type transformer

Technical Field

The utility model relates to a dry-type transformer technical field especially relates to an air-cooled dry-type transformer.

Background

The main cooling means of the air-cooled dry-type transformer is air, and forced air cooling can enable the transformer to obtain good cost performance, but for the cooling mode, the structure of an air duct of the transformer directly influences the effect of the transformer. The heat dissipation air duct of the existing air-cooled dry-type transformer adopts a layer of wind shield which is horizontally arranged and is not sealed, so that a large part of wind generated by a fan flows far away from the transformer, the temperature of the wind blown out by the fan is increased after passing through a lower transformer, and the hot wind rises to the surface of an upper transformer and cannot well dissipate heat of the surface of the transformer, so that the temperature of the upper part of the transformer is higher than that of the lower part of the transformer, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems of uneven heat dissipation and poor heat dissipation of the existing air-cooled dry-type transformer, and providing an air-cooled dry-type transformer.

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

the utility model provides an air-cooled dry-type transformer, includes the base, there is three dry-type transformer through the bolt fastening in the middle of the top of base, and the top both sides swing joint of base has the bull stick of vertical setting, and one side of base is inside to have step motor through the bolt fastening, and its inside one side still is provided with controlling means, the outside cover of bull stick is equipped with the connecting block, the outside of connecting block is cup jointed and is fixed with the mounting panel, the surface mounting of mounting panel has six cooling fan.

Preferably, the control device comprises a power supply and a P L C with the model number of S4-400, and the control device is connected with the stepping motor through a lead.

Preferably, the output end of the stepping motor is sleeved with a driving gear, and the outer side of the bottom of one of the rotating rods is sleeved with a transmission gear meshed with the driving gear.

Preferably, the surface of the rotating rod is provided with threads, and the inner wall of the connecting block is provided with a thread groove corresponding to the threads on the surface of the rotating rod.

Preferably, synchronous belt wheels are sleeved on the outer sides of the tops of the two rotating rods, and synchronous belts are wound on the outer sides of the synchronous belt wheels.

Preferably, the heat dissipation fans are distributed on two sides of the dry-type transformer, and the heat dissipation fans are obliquely fixed inside the mounting plate.

The utility model has the advantages that:

1. the power supply in the control device supplies power to the P L C and the stepping motor, and the P L C programming is utilized to realize the real-time control of the stepping motor, and the controller rotates forwards and backwards.

2. The stepping motor drives the two rotating rods positioned on two sides of the base to synchronously rotate by utilizing the driving gear, the transmission gear and the synchronous belt, drives the inner wall of the outer side sleeve to be provided with the connecting block corresponding to the thread groove on the surface of the rotating rod to realize lifting, so that the mounting plate mounted on the outer side of the connecting block drives the heat dissipation fan fixed inside to continuously dissipate heat of the upper part and the lower part of the dry-type transformer, and the heat dissipation effect is better.

Drawings

Fig. 1 is a schematic structural view of an air-cooled dry-type transformer according to the present invention;

fig. 2 is a partial sectional structural view at a in fig. 1.

In the figure: the transformer comprises a base 1, a dry-type transformer 2, a rotating rod 3, a mounting plate 4, a heat dissipation fan 5, a synchronous belt 6, a control device 7, a transmission gear 8, a stepping motor 9, a driving gear 10 and a connecting block 11.

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. 1-2, an air-cooled dry-type transformer comprises a base 1, wherein three dry-type transformers 2 are fixed in the middle of the top of the base 1 through bolts, two vertically arranged rotating rods 3 are movably connected to two sides of the top of the base 1, a stepping motor 9 is fixed in one side of the base 1 through bolts, a control device 7 is further arranged on one side of the inside of the base 1, a connecting block 11 is sleeved on the outer side of each rotating rod 3, a mounting plate 4 is fixedly sleeved on the outer side of each connecting block 11, and six cooling fans 5 are mounted on the surface of each mounting plate 4;

the control device 7 comprises a power supply and a P L C with the model number of S4-400, the control device 7 is connected with the stepping motor 9 through a wire, the output end of the stepping motor 9 is sleeved with the driving gear 10, the bottom outer side of one rotating rod 3 is sleeved with the transmission gear 8 meshed with the driving gear 10, the surface of the rotating rod 3 is provided with threads, the inner wall of the connecting block 11 is provided with thread grooves corresponding to the surface threads of the rotating rod 3, the top outer sides of the two rotating rods 3 are both sleeved with synchronous belt wheels, the outer sides of the synchronous belt wheels are wound with synchronous belts 6, the heat dissipation fans 5 are distributed on the two sides of the dry-type transformer 2, and the heat dissipation fans 5 are obliquely fixed in.

In this embodiment, the control device 7 is installed inside the base 1, the power supply in the control device 7 supplies power to the P L C and the stepping motor 9, and the P L C programming is used to realize the real-time control of the stepping motor 9, so that the controller rotates forward and backward.

Step motor 9 utilizes the driving gear, drive gear 8 and hold-in range 6 to drive two bull sticks 3 synchronous rotation that are located base 1 both sides, drives the inner wall that its outside cover was established and offers the connecting block 11 that corresponds the thread groove with bull stick 3 surface screw thread and realize going up and down for the mounting panel 4 of the installation in the connecting block 11 outside drives inside fixed radiator fan 5 and continuously dispels the heat to dry-type transformer 2's upper and lower portion, and the radiating effect is better.

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 an air-cooled dry-type transformer, includes base (1), its characterized in that, there are three dry-type transformer (2) through the bolt fastening in the middle of the top of base (1), and the top both sides swing joint of base (1) has bull stick (3) of vertical setting, and one side of base (1) is inside to have step motor (9) through the bolt fastening, and its inside one side still is provided with controlling means (7), the outside cover of bull stick (3) is equipped with connecting block (11), the outside of connecting block (11) is cup jointed and is fixed with mounting panel (4), the surface mounting of mounting panel (4) has six cooling fan (5).

2. An air-cooled dry transformer according to claim 1, wherein the control means (7) comprises a power supply and a P L C model number S4-400, and the control means (7) is connected to the stepping motor (9) by a wire.

3. An air-cooled dry-type transformer according to claim 1, characterized in that the output end of the stepping motor (9) is sleeved with a driving gear (10), and the outer side of the bottom of one of the rotating rods (3) is sleeved with a transmission gear (8) engaged with the driving gear (10).

4. An air-cooled dry transformer according to claim 1, characterized in that the surface of the rotary rod (3) is provided with threads, and the inner wall of the connecting block (11) is provided with thread grooves corresponding to the threads on the surface of the rotary rod (3).

5. An air-cooled dry-type transformer according to claim 1, characterized in that the top outer sides of the two rotating rods (3) are sleeved with synchronous pulleys, and the outer sides of the synchronous pulleys are wound with synchronous belts (6).

6. An air-cooled dry transformer according to claim 1, characterized in that the heat dissipation fans (5) are distributed on both sides of the dry transformer (2), and the heat dissipation fans (5) are obliquely fixed inside the mounting plate (4).