CN220857370U

CN220857370U - Intelligent load balancing device of low-voltage distribution transformer

Info

Publication number: CN220857370U
Application number: CN202322609184.9U
Authority: CN
Inventors: 金学煜; 李会娟
Original assignee: Yunnan Tuozhou Technology Co ltd
Current assignee: Yunnan Tuozhou Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-26
Anticipated expiration: 2033-09-26

Abstract

The utility model relates to the technical field of transformer load balancing devices, and discloses an intelligent load balancing device of a low-voltage distribution transformer, which comprises a box body, wherein a box door is arranged on the inner wall of the box body, a top cover is arranged on the top of the box body, a sliding rail is arranged at the bottom of an inner cavity of the box body, a sliding strip is connected with the inner wall of the sliding rail in a sliding manner, a functional module is arranged at the top of the sliding strip, a display is arranged in the functional module, and a connecting sheet is arranged at the top of the functional module. Through upwards promoting the column spinner, anticlockwise again with the column spinner rotatory 90, make card strip and perpendicular flute profile cross, reset spring's elasticity will block the strip card and go into in the draw-in groove, and then solved in the current unbalanced three-phase case functional module all through the screw with functional module fixed in the box, when need examine and repair functional module, need examine and repair after taking down the screw to lead to the extravagant problem of a large amount of time when dismantling screw and installing the screw.

Description

Intelligent load balancing device of low-voltage distribution transformer

Technical Field

The utility model relates to the technical field of transformer load balancing devices, in particular to an intelligent load balancing device of a low-voltage distribution transformer.

Background

The amplitude of three-phase current or three-phase voltage in the power system is inconsistent, the three-phase unbalance is caused when the amplitude difference exceeds a specified range, the unbalance of the three-phase load can cause damage to a transformer and a power grid, and the output efficiency of a power supply transformer, the damage and the damage of the transformer, the accelerated aging of a transmission line and other influences are caused.

All have the functional module in the current unbalanced three-phase case, and these functional module are all fixed the functional module in the box through the screw, when need examine and repair the functional module, need examine and repair after taking down the screw to lead to the problem of wasting a large amount of time when dismantling the screw and installing the screw.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an intelligent load balancing device of a low-voltage distribution transformer, which has the advantages of strong practicability and good stability, and solves the problems proposed by the background art.

The utility model provides the following technical scheme: the utility model provides an intelligent load balancing device of low voltage distribution transformer, includes the box, the chamber door is installed to the inner wall of box, the top cap is installed at the top of box, the slide rail is installed to the bottom of box inner chamber, the inner wall sliding connection of slide rail has the draw runner, functional module is installed at the top of draw runner, functional module's internally mounted has the display, the connection piece is installed at functional module's top, the installing support is installed at the top of connection piece, vertical groove has all been seted up to the bottom of connection piece and installing support, locking mechanism is installed to the bottom of connection piece.

As a preferable technical scheme of the utility model, the locking mechanism comprises an outer shell, wherein the inner wall of the outer shell is connected with a baffle in a sliding manner, a stand column is arranged at the top of the baffle, a clamping strip is arranged at the top of the stand column, a rotating column is arranged at the bottom of the baffle, and a reset spring is arranged on the inner wall of the outer shell.

As a preferable technical scheme of the utility model, the top of the mounting bracket is provided with a clamping groove, and the clamping groove and the vertical groove are in a cross shape.

As a preferable technical scheme of the utility model, the top of the mounting bracket is provided with a limiting block, and the limiting block is positioned at the edge of the top of the clamping groove.

As a preferable technical scheme of the utility model, a circuit board is arranged on the inner wall of the functional module, a first chip and a second chip are arranged on the outer wall of the circuit board, and the first chip and the second chip are respectively positioned on the DSP chip and the CPLD chip.

As a preferable technical scheme of the utility model, a lightning surge protection device is arranged at the bottom of the inner cavity of the functional module.

As a preferred technical solution of the present utility model, the capacity of the functional module is: 25 kVA-35 kVA, and the size of the functional module is 2U.

Compared with the prior art, the utility model has the following beneficial effects:

1. This intelligent load balancing device of low-voltage distribution transformer, through upwards promoting the column spinner, anticlockwise again with the column spinner rotatory 90, make card strip and perpendicular flute profile cross, reset spring's elasticity will block the strip card and go into in the draw-in groove, and then solved in the current unbalanced three-phase case functional module all through the screw with functional module fixed in the box, when need overhauld functional module, need take down the screw after overhauling again to lead to dismantling the screw and waste a large amount of time's problem when installing the screw.

2. This intelligent load balancing device of low-voltage distribution transformer through designing the size of functional module to 2U, and the functional module capacity is: the device has the advantages of small volume, light weight and high power density compared with the existing functional module, and is convenient to install and maintain due to 25 kVA-35 kVA.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic diagram of the internal structure of the functional module according to the present utility model;

Fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

In the figure: 1. a case; 2. a door; 3. a top cover; 4. a slide rail; 5. a slide bar; 6. a functional module; 7. a display; 8. a connecting sheet; 9. a mounting bracket; 10. a clamping groove; 11. a vertical groove; 12. a locking mechanism; 1201. an outer housing; 1202. a baffle; 1203. a column; 1204. clamping strips; 1205. a spin column; 1206. a return spring; 13. a circuit board; 14. a first chip; 15. a second chip; 16. a lightning surge protection device; 17. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an intelligent load balancing device for a low-voltage distribution transformer comprises a box body 1, wherein a box door 2 is installed on the inner wall of the box body 1, a top cover 3 is installed at the top of the box body 1, a sliding rail 4 is installed at the bottom of an inner cavity of the box body 1, a sliding bar 5 is slidably connected to the inner wall of the sliding rail 4, a functional module 6 is installed at the top of the sliding bar 5, a display 7 is installed in the functional module 6, a connecting sheet 8 is installed at the top of the functional module 6, a mounting bracket 9 is installed at the top of the connecting sheet 8, vertical grooves 11 are formed in the bottoms of the connecting sheet 8 and the mounting bracket 9, a locking mechanism 12 is used for fixing the functional module 6 on the mounting bracket 9, so that the functional module 6 is convenient to detach and install, a large amount of detachment and installation time can be saved when the functional module 6 is overhauled, and overhauling efficiency is improved.

In a preferred embodiment, the locking mechanism 12 includes an outer housing 1201, a blocking piece 1202 is slidingly connected to an inner wall of the outer housing 1201, a stand column 1203 is installed at a top of the blocking piece 1202, a clip 1204 is installed at a top of the stand column 1203, a rotating column 1205 is installed at a bottom of the blocking piece 1202, a return spring 1206 is installed on an inner wall of the outer housing 1201, the blocking piece 1202, the stand column 1203 and the clip 1204 are driven to rotate by rotating the rotating column 1205, when the clip 1204 and the vertical groove 11 form a cross shape, the functional module 6 is described as being installed on the installation support 9, and at this time, the blocking piece 1202 is supported downwards by an elastic force of the return spring 1206 so that the clip 1204 cannot be displaced.

In a preferred embodiment, the top of the mounting bracket 9 is provided with a clamping groove 10, the clamping groove 10 and the vertical groove 11 are in a cross shape, and the clamping strip 1204 is in the clamping groove 10 by utilizing the design of the clamping groove 10, so that the clamping strip 1204 cannot change in position, and the stability of the locking mechanism 12 is improved.

In a preferred embodiment, the top of the mounting bracket 9 is provided with a limiting block 17, the limiting block 17 is located at the edge of the top of the clamping groove 10, and the design of the limiting block 17 is utilized to enable the clamping strip 1204 to contact with the limiting block 17 when rotating, so that the clamping strip 1204 is overlapped with the vertical groove 11, and the clamping strip 1204 can conveniently move downwards.

In a preferred embodiment, the inner wall of the functional module 6 is provided with the circuit board 13, the outer wall of the circuit board 13 is provided with the first chip 14 and the second chip 15, and the first chip 14 and the second chip 15 are respectively positioned on the DSP chip and the CPLD chip, so that the operation speed and the anti-interference capability of the device can be stably operated by using the DSP chip and the CPLD chip in a matching way, and the stability of the device is improved.

In a preferred embodiment, the lightning surge protection device 16 is installed at the bottom of the inner cavity of the functional module 6, and when lightning operation waves occur, the lightning surge protection device 16 can protect the device from damaging equipment, so that the high-frequency carrier of the device cannot be fed back to a power grid, and no interference is caused to other systems and equipment.

In a preferred embodiment, the capacity of the functional module 6 is: 25 kVA-35 kVA, and the size of the functional module 6 is 2U, so that the device has high power density and small volume, and does not occupy space.

The working principle is that when the multifunctional electronic device is used, the slide bar 5 is inserted into the slide rail 4 and then pushed into the box body 1, at the moment, the rotary column 1205, the baffle 1202, the upright post 1203 and the clamping bar 1204 are pushed upwards, the rotary column 1205 is rotated by 90 degrees anticlockwise, at the moment, the baffle 1202, the upright post 1203 and the clamping bar 1204 are rotated by 90 degrees, the clamping bar 1204 and the vertical groove 11 form a cross shape, at the moment, the clamping bar 1204 is clamped into the clamping groove 10 by the elastic force of the reset spring 1206, so that the clamping bar 1204 cannot rotate, at the moment, the functional module 6 is arranged on the mounting bracket 9, when the functional module 6 needs to be dismounted, the rotary column 1205 is moved upwards, the clamping bar 1204 is separated from the clamping groove 10, the rotary column 1205 is rotated clockwise, at the moment, the clamping bar 1204 is overlapped with the vertical groove 11 when the clamping bar 1204 is contacted with the limiting block 17, at the moment, the clamping bar 1204 is ejected out of the vertical groove 11 by the elastic force of the reset spring 1206, and at the moment, the functional module 6 can be pulled out.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent load balancing device of low voltage distribution transformer, includes box (1), its characterized in that: the inner wall of box (1) is installed chamber door (2), top cap (3) are installed at the top of box (1), slide rail (4) are installed to the bottom of box (1) inner chamber, the inner wall sliding connection of slide rail (4) has draw runner (5), functional module (6) are installed at the top of draw runner (5), internally mounted of functional module (6) has display (7), connection piece (8) are installed at the top of functional module (6), installing support (9) are installed at the top of connection piece (8), perpendicular groove (11) have all been seted up to the bottom of connection piece (8) and installing support (9), locking mechanism (12) are installed to the bottom of connection piece (8).

2. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: the locking mechanism (12) comprises an outer shell (1201), a baffle (1202) is slidably connected to the inner wall of the outer shell (1201), a stand column (1203) is installed at the top of the baffle (1202), a clamping strip (1204) is installed at the top of the stand column (1203), a rotating column (1205) is installed at the bottom of the baffle (1202), and a reset spring (1206) is installed on the inner wall of the outer shell (1201).

3. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: the top of the mounting bracket (9) is provided with a clamping groove (10), and the clamping groove (10) and the vertical groove (11) are in a cross shape.

4. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: a limiting block (17) is arranged at the top of the mounting bracket (9), and the limiting block (17) is located at the edge of the top of the clamping groove (10).

5. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: the inner wall of the functional module (6) is provided with a circuit board (13), the outer wall of the circuit board (13) is provided with a first chip (14) and a second chip (15), and the first chip (14) and the second chip (15) are respectively positioned on the DSP chip and the CPLD chip.

6. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: a lightning surge protection device (16) is arranged at the bottom of the inner cavity of the functional module (6).

7. An intelligent load balancing apparatus for a low voltage distribution transformer as claimed in claim 1, wherein: the capacity of the functional module (6) is as follows: 25 kVA-35 kVA, and the size of the functional module (6) is 2U.