CN220085825U - Anti-condensation voltage transformer for ring main unit - Google Patents

Abstract

The utility model discloses an anti-condensation voltage transformer for a ring main unit, which belongs to the technical field of voltage transformers and comprises a voltage transformer, wherein a junction box is arranged on one side of the voltage transformer, waterproof cable heads are assembled and arranged on two sides of the junction box, a mounting frame is arranged below the voltage transformer, and a plurality of dovetail grooves are formed in the mounting frame. This anti-condensation voltage transformer for looped netowrk cabinet is through setting up rotation control structure, forked tail strip and dovetail, when installing, penetrates the dovetail in, then can play voltage transformer's vertical position spacing, then insert the hasp through the key and drive bull stick and bent lever rotation for bent lever drives strip frame and movable column and promotes spacing post downwards and insert spacing mouthful, then can play the quick installation fixed to voltage transformer, and the same is convenient for dismantle, secondly adopts special key rotation hasp mode, can reduce the risk of stealing voltage transformer.

Description

Anti-condensation voltage transformer for ring main unit

Technical Field

The utility model belongs to the technical field of voltage transformers, and particularly relates to an anti-condensation voltage transformer for a ring main unit.

Background

At present, the voltage transformer is used in the existing ring main unit, the metal nameplate is installed on the front side of the secondary junction box through four installation screws, two wire outlets which are convenient for leading out cables are arranged below the secondary junction box, after the cables are required to be bent during wiring, the cables are inserted from the wire outlets, the labor is wasted, when the humidity in the ring main unit is higher, moisture can enter the secondary junction box of the voltage transformer from gaps between the metal nameplate and the secondary junction box and from the wire outlets, condensation is very easy to generate for a long time, even if an exhaust system and a heating system are opened, the moisture and the condensation in the secondary junction box are not easy to clear, if the condensation is generated in the secondary junction box of the voltage transformer, the secondary junction terminal of the voltage transformer is indirectly short-circuited, the voltage transformer is burnt out or other electrical components are damaged, and because the voltage transformer is fixed in position through a plurality of bolts, the voltage transformer is not only easy to be disassembled and stolen by external personnel using tools such as a spanner, but also needs to be disassembled and installed respectively for a plurality of bolts when maintenance is required, and time is wasted, therefore, a new anti-condensation voltage transformer for the ring main unit is studied to solve the problem.

Disclosure of Invention

In order to overcome the defects, the utility model provides the anti-condensation voltage transformer for the ring main unit, which solves the problems that when the humidity in the ring main unit is higher, moisture can enter the secondary junction box of the voltage transformer from a gap between a metal nameplate and the secondary junction box and a wire outlet hole, condensation is easy to occur for a long time, and the voltage transformer is fixed in position through a plurality of bolts, so that the voltage transformer is easy to be disassembled and stolen by external personnel by using tools such as a spanner, and a plurality of bolts are required to be disassembled and installed respectively when overhauling and maintenance are required, and the time is relatively long.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ring main unit is with preventing condensation voltage transformer, includes voltage transformer, the terminal box is installed to one side of voltage transformer, waterproof cable head is all assembled to the both sides of terminal box, voltage transformer's below is equipped with the mounting bracket, a plurality of dovetails have been seted up above the mounting bracket, spacing mouth has been seted up to the diapire of dovetailed, and slides in every three dovetailed has same dovetailed strip, and three dovetailed strip fixed connection is in the bottom of box body, box body fixed connection is in voltage transformer's bottom, rotation control structure is all installed to the both sides of box body, rotation control structure's one end is equipped with the strip frame, the same fly leaf of fixedly connected with below two strip frames, fixedly connected with a plurality of spacing posts below the fly leaf, spacing post inserts in the spacing mouth.

As a further aspect of the utility model: one side of terminal box is equipped with the metal nameplate, be equipped with the silica gel pad between metal nameplate and the terminal box, silica gel pad and metal nameplate pass through the screw fixation on the terminal box.

As a further aspect of the utility model: the rotation control structure comprises a rotating rod, one end of the rotating rod is fixedly connected with a lock catch, and the lock catch is arranged on the box body.

As a further aspect of the utility model: the one end that the bull stick kept away from the hasp fixedly connected with L shape bent lever, bent lever wears to establish to slide in the strip frame.

As a further aspect of the utility model: the limit column penetrates out of the box body downwards and penetrates out of the dovetail strip.

Compared with the prior art, the utility model has the beneficial effects that

1. This anti-condensation voltage transformer for looped netowrk cabinet is through setting up rotation control structure, forked tail strip and dovetail, when installing, penetrates the dovetail in, then can play voltage transformer's vertical position spacing, then insert the hasp through the key and drive bull stick and bent lever rotation for bent lever drives strip frame and movable column and promotes spacing post downwards and insert spacing mouthful, then can play the quick installation fixed to voltage transformer, and the same is convenient for dismantle, secondly adopts special key rotation hasp mode, can reduce the risk of stealing voltage transformer.

2. This looped netowrk cabinet is with preventing condensation voltage transformer, through setting up waterproof cable head and silica gel pad, the user can directly penetrate the waterproof cable head of cable from both sides when the wiring, can prevent effectively that moisture from getting into, further plays the effect of preventing condensation, and second silica gel pad installs in the middle of metal nameplate and terminal box, and then can prevent that the aqueous vapor from getting into.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view showing a bottom perspective structure of the present utility model;

FIG. 3 is a schematic view of a three-dimensional structure of the case of the present utility model;

FIG. 4 is a schematic view of a dovetail bar of the present utility model in a three-dimensional configuration;

FIG. 5 is a schematic view showing a three-dimensional structure of a movable plate according to the present utility model;

FIG. 6 is a schematic view of a three-dimensional structure of the mounting frame of the present utility model;

in the figure: 1. a voltage transformer; 2. a junction box; 3. waterproof cable heads; 4. a metal nameplate; 5. a mounting frame; 6. a rotation control structure; 61. locking; 62. a rotating rod; 63. a curved bar; 7. a silica gel pad; 8. dovetail strips; 9. a movable plate; 10. a case body; 11. a limit column; 12. a strip frame; 13. a dovetail groove; 14. and a limit opening.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a ring main unit is with preventing condensation voltage transformer, including voltage transformer 1, terminal box 2 is installed to one side of voltage transformer 1, waterproof cable head 3 is all assembled and installed to the both sides of terminal box 2, one side of terminal box 2 is equipped with metal nameplate 4, be equipped with silica gel pad 7 between metal nameplate 4 and the terminal box 2, the user can directly penetrate the waterproof cable head 3 of cable from both sides during wiring, can effectively prevent moisture entering, further play the effect of preventing condensation, secondly silica gel pad 7 is installed in the middle of metal nameplate 4 and terminal box 2, and then can prevent that the aqueous vapor from entering, silica gel pad 7 and metal nameplate 4 pass through the screw fixation on terminal box 2, the below of voltage transformer 1 is equipped with mounting bracket 5, can install the fixing to mounting bracket 5 through the hole site in mounting bracket 5 four corners, ensure the stability of mounting bracket 5, a plurality of dovetail 13 have been seted up above mounting bracket 5, the bottom wall of the dovetail groove 13 is provided with a limit opening 14, the same dovetail strip 8 is slid in each three dovetail grooves 13, the dovetail strips 8 penetrate into the dovetail grooves 13, the longitudinal position limit of the voltage transformer 1 can be achieved, the dovetail strips 8 are prevented from being separated from the dovetail grooves 13 upwards, the three dovetail strips 8 are fixedly connected to the bottom of the box body 10, the box body 10 is fixedly connected to the bottom of the voltage transformer 1, the two sides of the box body 10 are provided with rotation control structures 6, each rotation control structure 6 comprises a rotating rod 62, one end of each rotating rod 62 is fixedly connected with a lock catch 61, the lock catches 61 can be inserted and rotated through a special key, the risk of the voltage transformer 1 being stolen caused by other personnel operation can be reduced, the lock catches 61 are arranged on the box body 10, one end of each rotating rod 62 far away from the lock catches 61 is fixedly connected with L-shaped curved rods 63, the curved rods 63 are penetrated and slid in the bar frames 12, one end of the rotation control structure 6 is provided with a strip frame 12, the same movable plate 9 is fixedly connected below the two strip frames 12, a plurality of limit posts 11 are fixedly connected below the movable plate 9, the limit posts 11 penetrate out of the box body 10 downwards and penetrate out of the dovetail strips 8, the limit posts 11 are inserted into the limit openings 14, the lock catches 61 are inserted through keys and rotated to the lock catches 61, the rotating rods 62 drive the bent rods 63 to rotate, the bent rods 63 can slide in the openings of the strip frames 12, meanwhile, the bent rods 63 push the strip frames 12 to move downwards, the movable plate 9 drives the limit posts 11 to be inserted into the limit openings 14 downwards, and then the voltage transformer 1 can be quickly installed and fixed.

The working principle of the utility model is as follows:

during installation, the dovetail bar 8 penetrates into the dovetail groove 13, then a key penetrates into the lock catch 61, the key is rotated to drive the rotating end of the lock catch 61 to rotate, the rotating end of the lock catch 61 drives the rotating rod 62 to rotate, the rotating rod 62 drives the curved rod 63 to rotate, the curved rod 63 slides in the bar frame 12 and extrudes the bar frame 12 to move downwards, the bar frame 12 drives the limit column 11 to penetrate through the box body 10 and the dovetail bar 8 downwards and insert into the limit opening 14, and installation of the voltage transformer 1 can be completed at the moment.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (5)

1. The utility model provides a looped netowrk cabinet is with preventing condensation voltage transformer, includes voltage transformer (1), its characterized in that: junction box (2) are installed to one side of voltage transformer (1), waterproof cable head (3) are all assembled and installed to the both sides of junction box (2), the below of voltage transformer (1) is equipped with mounting bracket (5), a plurality of dovetail (13) have been seted up above mounting bracket (5), spacing mouth (14) have been seted up to the diapire of dovetail (13), and slide same dovetail (8) in every three dovetail (13), and the bottom of three dovetail (8) fixed connection in box body (10), the bottom at voltage transformer (1) is connected to box body (10) fixed, rotation control structure (6) are all installed to the both sides of box body (10), the one end of rotation control structure (6) is equipped with strip frame (12), and fixedly connected with same fly leaf (9) below two strip frames (12), fixedly connected with a plurality of spacing post (11) below fly leaf (9), spacing post (11) insert in spacing mouth (14).

2. The anti-condensation voltage transformer for a ring main unit according to claim 1, wherein: one side of terminal box (2) is equipped with metal nameplate (4), be equipped with silica gel pad (7) between metal nameplate (4) and terminal box (2), silica gel pad (7) and metal nameplate (4) pass through the screw fixation on terminal box (2).

3. The anti-condensation voltage transformer for a ring main unit according to claim 1, wherein: the rotation control structure (6) comprises a rotating rod (62), one end of the rotating rod (62) is fixedly connected with a lock catch (61), and the lock catch (61) is installed on the box body (10).

4. A condensation-proof voltage transformer for a ring main unit according to claim 3, wherein: one end of the rotating rod (62) far away from the lock catch (61) is fixedly connected with an L-shaped bent rod (63), and the bent rod (63) is penetrated and slides in the strip frame (12).

5. The anti-condensation voltage transformer for a ring main unit according to claim 1, wherein: the limit column (11) downwards penetrates out of the box body (10) and penetrates out of the dovetail strip (8).