CN216902470U - Power transformer integrated with grounding transformer - Google Patents

Abstract

The utility model relates to the technical field of transformers and discloses a power transformer integrated with a grounding transformer. This power transformer of integrated grounding transformer, through the protection shield that sets up on the bottom plate, can protect the transformer, simultaneously through the recess of seting up on the protection shield, the inside first damping spring that sets up of recess and the radiating fin who sets up on the snubber block cooperation transformer are convenient for carry out the shock attenuation to the transformer, what produce when reducing the transformer and remove rocks, can also be through the link that sets up on the bottom plate, the heat dissipation fan of link inside setting can strengthen the heat dispersion of transformer.

Description

Power transformer integrated with grounding transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to a power transformer integrated with a grounding transformer.

Background

The low-voltage side of a power transformer in a power grid is generally in a delta connection method, and no neutral point capable of being grounded exists. With the continuous expansion of urban power grids and the continuous increase of cable outgoing lines, the capacitance current of the system to ground is increased sharply, and the capacitance current flowing through a fault point after single-phase grounding is large (more than 10A).

Some power transformers currently on the market:

in the use, because power transformer needs the connecting wire, and power transformer can cause the damage to inside part when receiving the collision and the electric wire can produce not hard up simultaneously, causes the outage easily and can cause the reason of injury to the way man, current power transformer does not possess the safeguard measure, can't protect power transformer.

We therefore propose a power transformer integrated with a grounding transformer in order to solve the problems set out above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide a power transformer integrated with a grounding transformer, so as to solve the problems that the power transformer needs to be connected with wires, the power transformer may damage internal components when being collided, the wires may loosen, the power transformer is easily disconnected, and the power transformer may be damaged, and the existing power transformer has no protection measures and cannot protect the power transformer.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a power transformer integrated with a grounding transformer comprises a bottom plate, wherein two protection plates which are arranged equidistantly are arranged on the bottom plate, a sliding block is fixed at the bottom of each protection plate, a sliding groove matched with the sliding block is formed in the bottom plate, a second damping spring is fixed between the sliding block and the sliding groove, a transformer is arranged between the two protection plates, a plurality of radiating fins which are arranged equidistantly are fixed on two sides of the transformer, a plurality of grooves which are arranged equidistantly are formed in the protection plates, damping blocks are arranged inside the grooves, and first damping springs are fixed between the damping blocks and the grooves;

the top of bottom plate is fixed with the link, the interior diapire of link is fixed with the heat dissipation fan that a plurality of equidistance were arranged, two be fixed with the weather shield between the protection shield, the inner wall of weather shield is fixed with the fixed plate, the bottom sliding connection of weather shield has U type frame, the inside of U type frame is provided with the grip block that two equidistance were arranged, be fixed with third damping spring between U type frame and the grip block.

Preferably, the upper side of the heat dissipation fan is provided with a protection net, and the protection net is fixed on the inner wall of the groove.

Preferably, universal wheels are installed on the periphery of the bottom plate.

Preferably, the distance between each two heat dissipation fans is equal, and the two clamping plates are symmetrical by taking the U-shaped frame as a center.

Furthermore, the protection plates are symmetrical by taking the bottom plate as a center, the sliding blocks of the protection plates are in sliding connection with the sliding grooves of the bottom plate, the distances between every two of the plurality of radiating fins are equal, the distances between every two of the plurality of grooves are equal, and one side of the damping block is fixed with one side of each radiating fin.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: this integrated grounding transformer's power transformer:

(1) through the protection shield that sets up on the bottom plate, can protect the transformer, simultaneously through the recess of seting up on the protection shield, the inside first damping spring that sets up of recess and the radiating fin who sets up on the snubber block cooperation transformer are convenient for carry out the shock attenuation to the transformer, reduce rocking that produces when transformer removes, can also be through the link that sets up on the bottom plate, the inside heat dissipation fan that sets up of link can strengthen the heat dispersion of transformer.

(2) Through the spout of seting up on the bottom plate, the slider that sets up on the inside second damping spring that sets up of spout cooperation protection shield improves the damping performance of transformer and carries on spacingly to the protection shield simultaneously, can also be through the weather shield that sets up on the protection shield, U type frame and the grip block that sets up on the weather shield, the third damping spring that sets up between grip block and the U type frame strengthens the spacing stability of transformer.

Drawings

FIG. 1 is a schematic diagram of a power transformer integrated with a grounding transformer according to the present invention;

FIG. 2 is a schematic cross-sectional view of a power transformer integrated with a grounding transformer according to the present invention;

fig. 3 is a schematic diagram of a protection grid structure of the power transformer integrated with the grounding transformer according to the present invention.

In the figure: the heat dissipation device comprises a bottom plate 1, a protection plate 2, a groove 3, a shock absorption block 4, a first damping spring 5, a transformer 6, a heat dissipation fin 7, a sliding block 8, a sliding groove 9, a second damping spring 10, a connecting frame 11, a heat dissipation fan 12, a protection net 13, a rain baffle 14, a U-shaped frame 15, a clamping plate 16 and a third damping spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a power transformer integrated with a grounding transformer; the heat dissipation device comprises a bottom plate 1, two protection plates 2 which are arranged equidistantly are arranged on the bottom plate 1, a sliding block 8 is fixed at the bottom of each protection plate 2, a sliding groove 9 matched with the sliding block 8 is formed in the bottom plate 1, a second damping spring 10 is fixed between each sliding block 8 and each sliding groove 9, a transformer 6 is arranged between the two protection plates 2, a plurality of heat dissipation fins 7 which are arranged equidistantly are fixed on two sides of the transformer 6, a plurality of grooves 3 which are arranged equidistantly are formed in the protection plates 2, damping blocks 4 are arranged inside the grooves 3, and first damping springs 5 are fixed between the damping blocks 4 and the grooves 3;

a connecting frame 11 is fixed at the top of the bottom plate 1, a plurality of radiating fans 12 which are arranged at equal intervals are fixed on the inner bottom wall of the connecting frame 11, a rain baffle 14 is fixed between the two protective plates 2, a fixed plate is fixed on the inner wall of the rain baffle 14, a U-shaped frame 15 is connected to the bottom of the rain baffle 14 in a sliding manner, two clamping plates 16 which are arranged at equal intervals are arranged inside the U-shaped frame 15, and a third damping spring 17 is fixed between the U-shaped frame 15 and the clamping plates 16;

as a preferred technical scheme of the utility model: a protective net 13 is arranged on the upper side of the heat radiation fan 12, and the protective net 13 is fixed on the inner wall of the groove 3;

as a preferred technical scheme of the utility model: universal wheels are arranged on the periphery of the bottom plate 1;

as a preferred technical scheme of the utility model: the distances between every two heat dissipation fans 12 are equal, and the two clamping plates 16 are symmetrical by taking the U-shaped frame 15 as a center;

as a preferred technical scheme of the utility model: the two protection plates 2 are symmetrical by taking the bottom plate 1 as a center, the sliding blocks 8 of the protection plates 2 are in sliding connection with the sliding grooves 9 of the bottom plate 1, the distances between every two of the plurality of radiating fins 7 are equal, the distances between every two of the plurality of grooves 3 are equal, and one side of the damping block 4 is fixed with one side of each radiating fin 7.

The working principle of the embodiment is as follows: when the power transformer integrated with the grounding transformer is used, as shown in fig. 1-3, the clamping plate 16 clamps and stabilizes the transformer 6 through the elasticity of the third damping spring 17, when the bottom plate 1 moves to meet the bumpy road surface and cause the transformer 6 to shake, the thermal fins 7 extrude the damping blocks 4, the damping blocks 4 extrude the first damping springs 5, the sliding blocks 8 of the protection plate 2 extrude the second damping springs 10 to reduce the shock and shake, and the heat dissipation fan 12 is in an open state to cool the transformer 6.

Claims (5)

1. A power transformer integrated with an earthing transformer, comprising a base plate (1), two protection plates (2) which are arranged at equal intervals are arranged on the bottom plate (1), a sliding block (8) is fixed at the bottom of each protection plate (2), a sliding groove (9) matched with the sliding block (8) is arranged on the bottom plate (1), a second damping spring (10) is fixed between the sliding block (8) and the sliding groove (9), a transformer (6) is arranged between the two protection plates (2), a plurality of radiating fins (7) which are arranged at equal intervals are fixed on both sides of the transformer (6), a plurality of grooves (3) which are arranged at equal intervals are formed in the protection plate (2), shock absorption blocks (4) are arranged inside the grooves (3), and first damping springs (5) are fixed between the shock absorption blocks (4) and the grooves (3);

the top of bottom plate (1) is fixed with link (11), the interior diapire of link (11) is fixed with heat dissipation fan (12) that a plurality of equidistance were arranged, two be fixed with weather shield (14) between protection shield (2), the inner wall of weather shield (14) is fixed with the fixed plate, the bottom sliding connection of weather shield (14) has U type frame (15), the inside of U type frame (15) is provided with grip block (16) that two equidistance were arranged, be fixed with third damping spring (17) between U type frame (15) and grip block (16).

2. A power transformer integrated with an earthing transformer according to claim 1, characterized in that the upper side of the heat dissipation fan (12) is provided with a protective net (13), and the protective net (13) is fixed on the inner wall of the groove (3).

3. The power transformer integrated with the grounding transformer as claimed in claim 1, wherein universal wheels are installed around the bottom of the bottom plate (1).

4. The power transformer of claim 1, wherein the heat dissipation fans (12) are spaced apart from each other by the same distance, and the two clamping plates (16) are centered on the U-shaped frame (15).

5. The power transformer of claim 1, wherein the two protection plates (2) are symmetrical around the base plate (1), the sliding blocks (8) of the protection plates (2) are slidably connected with the sliding grooves (9) of the base plate (1), the plurality of heat dissipation fins (7) are equidistant from each other, the plurality of grooves (3) are equidistant from each other, and one side of the shock absorption block (4) is fixed to one side of each heat dissipation fin (7).

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