Voltage regulating device of distribution transformer

Abstract

The utility model discloses a distribution transformer voltage regulating device which comprises a box body, an installation frame is arranged in the box body, a transformer body is arranged in the installation frame, a knob switch is arranged on the top side of the transformer body, a driven gear is fixedly connected to the outer side of the knob switch in a sleeved mode, and a regulating assembly is arranged on the top side of the installation frame. A cooling box is fixedly mounted on one side of the box body and communicates with the box body, a threaded motor is fixedly mounted on the inner wall of the bottom side of the cooling box, and a driving gear is driven to rotate anticlockwise or clockwise by starting a rotating motor; due to the fact that the driven gear is fixedly connected to the knob switch in a sleeving mode, when the driven gear rotates, the knob switch can adjust the output voltage of the transformer body. And the power of the output voltage can be adjusted according to clockwise or anticlockwise rotation.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a voltage regulating device for a distribution transformer. Background Art

[0002] A transformer is a device that changes AC voltage. Due to the dispersed residential structure in rural areas, the power supply radius of the line is too large. In recent years, small businesses and a large number of household appliances have entered rural areas, and the electricity load has increased sharply, forming a new "low voltage" feature, especially for power supply lines with aging wires and many joints. By installing a voltage tap changer at the top of the transformer, the output voltage of the transformer can be adjusted to change the low voltage problem of the transformer.

[0003] Although the existing transformer regulating device has the advantages of stable and convenient voltage regulation, the voltage regulating switch or control panel installed at the outer end of the transformer is exposed to the outside world, making it unprotected. In addition, the voltage regulating equipment will generate a certain amount of heat after being used for a period of time. If it is not dissipated in time, it is easy to cause damage to the equipment. Therefore, a distribution transformer voltage regulating device is proposed to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a voltage regulating device for a distribution transformer, which is used to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A voltage regulating device for a distribution transformer comprises a box body, wherein an installation frame is arranged inside the box body, a transformer body is arranged inside the installation frame, a knob switch is arranged on the top side of the transformer body, a driven gear is fixedly sleeved on the outer side of the knob switch, an adjustment component is arranged on the top side of the installation frame, a cooling box is fixedly installed on one side of the box body, the cooling box is connected to the box body, a threaded motor is fixedly installed on the inner wall of the bottom side of the cooling box, an output end of the threaded motor rotates through the cooling box and is fixedly installed with a threaded rod, a slider is slidably installed on the outer side of the threaded rod, a connecting plate is fixedly installed on one side of the slider, two fans are arranged on the connecting plate, and both fans face the transformer body, a pulling component is arranged in the box body, and a guide component is arranged in the cooling box.

[0007] Preferably, the adjustment assembly includes a rotating motor fixedly mounted on the top side of the mounting frame, the output end of the rotating motor rotates through the mounting frame and is fixedly mounted with a rotating rod, the output end of the rotating rod is fixedly sleeved with a driving gear, and the driving gear matches the driven gear.

[0008] Preferably, the pulling assembly includes a set of movable rails fixedly installed on the inner walls of both sides of the box body, the number of each set of movable rails is two, movable blocks are slidably installed in the two sets of movable rails, and the sides of the two sets of movable blocks close to each other are fixedly connected to the two sides of the installation frame respectively.

[0009] Preferably, the guide assembly includes slide rails fixedly installed on the inner walls of both sides of the cooling box, guide blocks are slidably installed in the two slide rails, and the sides of the two guide blocks close to each other are fixedly connected to the two sides of the slider respectively.

[0010] Preferably, a groove is provided on the top side of the box body, a door panel is movably inserted in the groove, and a handle is fixedly installed on the top side of the door panel, and the handle is U-shaped.

[0011] Preferably, a filter screen is provided in the cooling box, and the filter screen is located on one side of the slider.

[0012] Preferably, a handle is also fixedly mounted on the top inner wall of the installation frame, and the handle is U-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the voltage regulating device of the distribution transformer drives the driving gear to rotate counterclockwise or clockwise by starting the rotating motor. Because the driving gear matches the driven gear, the driving gear can synchronously drive the driven gear to rotate when it rotates clockwise or counterclockwise, and because the driven gear is fixedly sleeved on the knob switch, the knob switch can adjust the output voltage of the transformer body when the driven gear rotates, and the power of the output voltage can be adjusted according to the clockwise or counterclockwise rotation.

[0014] By starting the two fans on the connecting plate, the transformer body can be cooled down by the operation of the two fans, and the threaded motor drives the threaded rod to rotate, and then the slider can move up and down on the outside of the threaded rod, thereby achieving uniform cooling of the transformer body during operation, avoiding the problem of heat dissipation in only one area, resulting in other areas not being able to get heat dissipated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of some parts of the installation frame of the utility model structure;

[0017] Figure 3 It is a schematic cross-sectional view of the structure of the utility model;

[0018] Figure 4 This is a schematic diagram of some parts of the fan structure of the utility model.

[0019] In the figure: 1. box body; 2. groove; 3. door panel; 4. handle; 5. cooling box; 6. filter; 7. moving rail; 8. moving block; 9. installation frame; 10. transformer body; 11. knob switch; 12. driven gear; 13. rotating motor; 14. rotating rod; 15. driving gear; 16. slide rail; 17. threaded motor; 18. threaded rod; 19. slider; 20. guide block; 21. connecting plate; 22. fan. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1-4 A voltage regulating device for a distribution transformer comprises a box body 1, a mounting frame 9 is arranged in the box body 1, a transformer body 10 is arranged in the mounting frame 9, a knob switch 11 is arranged on the top side of the transformer body 10, a driven gear 12 is fixedly sleeved on the outer side of the knob switch 11, an adjusting component is arranged on the top side of the mounting frame 9, a cooling box 5 is fixedly installed on one side of the box body 1, the cooling box 5 is connected with the box body 1, a threaded motor 17 is fixedly installed on the inner wall of the bottom side of the cooling box 5, the output end of the threaded motor 17 rotates through the cooling box 5 and is fixedly installed with a threaded rod 18, a slider 19 is slidably installed on the outer side of the threaded rod 18, a connecting plate 21 is fixedly installed on one side of the slider 19, two fans 22 are arranged on the connecting plate 21, and the two fans 22 are both facing the transformer body 10, a pulling component is arranged in the box body 1, and a guide is arranged in the cooling box 5 The adjusting component includes a rotating motor 13 fixedly mounted on the top side of the mounting frame 9. The output end of the rotating motor 13 rotates through the mounting frame 9 and is fixedly mounted with a rotating rod 14. The output end of the rotating rod 14 is fixedly sleeved with a driving gear 15. The driving gear 15 matches the driven gear 12. When the output voltage of the transformer body 10 needs to be adjusted, the rotating motor 13 is started to drive the driving gear 15 to rotate counterclockwise or clockwise. Because the driving gear 15 matches the driven gear 12, the driving gear 15 can synchronously drive the driven gear 12 to rotate when it rotates clockwise or counterclockwise. Moreover, because the driven gear 12 is fixedly sleeved on the knob switch 11, the knob switch 11 can adjust the output voltage of the transformer body 10 when the driven gear 12 rotates, and the power of the output voltage can be adjusted according to the clockwise or counterclockwise rotation.

[0022] Specifically, the pulling assembly includes a group of movable rails 7 fixedly installed on the inner walls of both sides of the box body 1, and the number of each group of movable rails 7 is two. Moving blocks 8 are slidably installed in the two groups of movable rails 7. The sides of the two groups of movable blocks 8 close to each other are respectively fixedly connected to the two sides of the installation frame 9. A handle 4 is also fixedly installed on the top inner wall of the installation frame 9. The handle 4 is U-shaped. By pulling the handle 4 on the top inner wall of the installation frame 9, because moving blocks 8 are fixedly installed on both sides of the installation frame 9, when the installation frame 9 is pulled, multiple moving blocks 8 can slide in the movable rails 7, so that the installation frame 9 can be moved out of the box body 1, and then the transformer body 10 can be easily repaired or parts replaced.

[0023] Specifically, the guide assembly includes slide rails 16 fixedly installed on the inner walls of both sides of the cooling box 5, guide blocks 20 are slidably installed in the two slide rails 16, and the sides of the two guide blocks 20 close to each other are respectively fixedly connected to the two sides of the slider 19. Through the two slide rails 16, when the slider 19 moves up and down, the two guide blocks 20 can be driven to move in the two slide rails 16, which can play a guiding role during movement.

[0024] Specifically, a groove 2 is provided on the top side of the box body 1, and a door panel 3 is movably inserted in the groove 2. A handle 4 is fixedly installed on the top side of the door panel 3, and the handle 4 is U-shaped. The door panel 3 can be driven to move upward by pulling the handle 4, so that the installation frame 9 can be moved out of the box body 1, and when the door panel 3 is inserted into the groove 2, it can also play a role in isolating dust.

[0025] Specifically, a filter screen 6 is provided in the cooling box 5 , and the filter screen 6 is located on one side of the slider 19 . The filter screen 6 is provided to prevent external dust from entering the box body 1 and causing damage to the transformer body 10 .

[0026] The distribution transformer voltage regulating device is connected to the 220V mains electricity, and the main controller can be a conventional known device for control such as a computer.

[0027] When in use: when the output voltage of the transformer body 10 needs to be adjusted, the driving gear 15 is driven to rotate counterclockwise or clockwise by starting the rotating motor 13. Because the driving gear 15 is matched with the driven gear 12, the driving gear 15 can synchronously drive the driven gear 12 to rotate when rotating clockwise or counterclockwise. And because the driven gear 12 is fixedly sleeved on the knob switch 11, the knob switch 11 can adjust the output voltage of the transformer body 10 when the driven gear 12 rotates. The power of the output voltage can be adjusted according to the clockwise or counterclockwise rotation. When the transformer body 10 needs to be repaired, the handle 4 on the top inner wall of the installation frame 9 is pulled, because Moving blocks 8 are fixedly installed on both sides of the installation frame 9, so when the installation frame 9 is pulled, multiple moving blocks 8 can slide in the moving rails 7, so that the installation frame 9 can be moved out of the box body 1, and then the transformer body 10 can be easily repaired or parts can be replaced. By starting the two fans 22 on the connecting plate 21, the two fans 22 can cool the transformer body 10 when they are running, and the threaded rod 18 is driven to rotate by the threaded motor 17, and then the slider 19 can move up and down on the outside of the threaded rod 18, so as to achieve uniform heat dissipation of the transformer body 10, and solve the problem that heat is dissipated in one area of ​​the transformer body 10, resulting in other areas not being able to get heat dissipation.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A voltage regulating device for a distribution transformer, comprising a box body (1), characterized in that: The box body (1) is provided with a mounting frame (9), a transformer body (10) is provided in the mounting frame (9), a knob switch (11) is provided on the top side of the transformer body (10), a driven gear (12) is fixedly sleeved on the outer side of the knob switch (11), an adjustment component is provided on the top side of the mounting frame (9), a cooling box (5) is fixedly installed on one side of the box body (1), the cooling box (5) is connected to the box body (1), and a bottom inner wall of the cooling box (5) is fixedly installed A threaded motor (17), the output end of the threaded motor (17) rotates through the cooling box (5) and is fixedly mounted with a threaded rod (18), a slider (19) is slidably mounted on the outer side of the threaded rod (18), a connecting plate (21) is fixedly mounted on one side of the slider (19), two fans (22) are arranged on the connecting plate (21), both fans (22) face the transformer body (10), a pulling component is arranged in the box body (1), and a guiding component is arranged in the cooling box (5).

2. A distribution transformer voltage regulating device according to claim 1, characterized in that: The adjustment assembly comprises a rotating motor (13) fixedly mounted on the top side of the mounting frame (9); the output end of the rotating motor (13) rotates through the mounting frame (9) and is fixedly mounted with a rotating rod (14); the output end of the rotating rod (14) is fixedly sleeved with a driving gear (15); the driving gear (15) is matched with the driven gear (12).

3. A distribution transformer voltage regulating device according to claim 1, characterized in that: The pulling assembly comprises a set of movable rails (7) fixedly mounted on the inner walls of both sides of the box body (1), the number of the set of movable rails (7) being two, movable blocks (8) being slidably mounted in the two sets of movable rails (7), and the sides of the two sets of movable blocks (8) close to each other are respectively fixedly connected to the two sides of the installation frame (9).

4. A distribution transformer voltage regulating device according to claim 1, characterized in that: The guide assembly comprises slide rails (16) fixedly mounted on the inner walls of both sides of the cooling box (5), guide blocks (20) slidably mounted in the two slide rails (16), and the sides of the two guide blocks (20) close to each other are fixedly connected to the two sides of the slider (19) respectively.

5. A distribution transformer voltage regulating device according to claim 1, characterized in that: The top side of the box body (1) is provided with a groove (2), a door panel (3) is movably inserted in the groove (2), and a handle (4) is fixedly installed on the top side of the door panel (3), and the handle (4) is U-shaped.

6. A distribution transformer voltage regulating device according to claim 1, characterized in that: A filter screen (6) is arranged in the cooling box (5), and the filter screen (6) is located on one side of the slider (19).

7. A distribution transformer voltage regulating device according to claim 1, characterized in that: A handle (4) is also fixedly mounted on the inner wall of the top side of the installation frame (9), and the handle (4) is U-shaped.

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