CN216388961U

CN216388961U - Transformer protection device for transformer substation

Info

Publication number: CN216388961U
Application number: CN202123010759.2U
Authority: CN
Inventors: 叶青; 徐意桃; 伍敏
Original assignee: Yongzhou Electric Power Survey And Design Institute Co ltd
Current assignee: Yongzhou Electric Power Survey And Design Institute Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-04-26
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a transformer protection device for a transformer substation, which comprises: the protective box and install in the transformer module of protective box inner chamber, the protective box inner chamber has cup jointed the lagging, the gomphosis of lagging inner chamber has the copper bar, the lagging inner chamber both sides are fixed with the spring respectively, the spring extension end be fixed with copper bar up end swing joint's touch panel, terminal surface threaded engagement has the bolt under the protective box. According to the transformer module, the copper bar in the sleeve plate can be contacted and attached to the lower end of the transformer module through the rotation bolt and the elastic characteristic of the spring, the touch plates are clamped on two sides of the transformer module, if the transformer module leaks electricity accidentally, the copper bar can be guided into the ground through the conducting wire, so that the danger caused by the electrification of the surface of the device is prevented, the power supply input of the transformer can be closed through the matching of the switch module, the short-circuit damage of the device is prevented, and the device can be safely and stably used for a long time, is simple to operate and is easy to popularize.

Description

Transformer protection device for transformer substation

Technical Field

The utility model relates to the field of transformer protection equipment, in particular to a transformer protection device for a transformer substation.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core magnetic core, and the transformer has the main functions of: the transformer is isolated and protected by a protection box body in the using process.

The transformer of the existing transformer substation is easily influenced by various reasons in the using process, the condition of electric leakage of the transformer is caused, the protective shell of the transformer is provided with current, danger is easily caused, and the device does not have the function of protecting the electric leakage.

To this end, we propose a transformer guard for a substation that solves the above mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a transformer protection device for a transformer substation, and aims to solve the problems that the transformer of the existing transformer substation is easily influenced by various reasons in the using process of the transformer, the leakage of the transformer is caused, the current is carried by a protection shell of the transformer, the danger is easily caused, and the device does not protect the leakage.

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

a transformer guard for a substation, comprising: the protective box with install in the transformer module of protective box inner chamber, the protective box inner chamber has cup jointed the lagging, the lagging inner chamber gomphosis has the copper bar, the lagging inner chamber both sides are fixed with the spring respectively, the spring extension end be fixed with copper bar up end swing joint's touch panel, terminal surface screw-thread meshing has the bolt under the protective box, the bolt with rotate through the bearing between the terminal surface under the lagging and connect, the lagging lower extreme gomphosis have with the wire that the copper bar is connected, terminal surface gomphosis have under the protective box with the sleeve pipe that the wire surface cup jointed.

In a further embodiment, a switch module in wire connection with the transformer module is fixed on one side of the protective box, and a cable is fixed at the input end of the switch module, so that the switch module can close the connection position of the transformer module and the cable.

In a further embodiment, a door body is rotatably mounted on the surface of the protective box through a hinge, an observation window is embedded in the door body, and the condition in the protective box can be checked through the observation window.

In a further embodiment, a heat dissipation net is embedded in the upper end face of the protection box, a support rod is fixed on the upper end face of the protection box, and a protection baffle is welded on the upper end face of the support rod.

In a further embodiment, the protective baffle is arranged above the heat dissipation net, so that the protective baffle can shield the upper part of the heat dissipation net and prevent rainwater from entering the protective box from the heat dissipation net.

In a further embodiment, the terminal surface is fixed with two backup pads under the guard box, two be fixed with the horizontal pole between the backup pad, the winding up roller has been cup jointed on the horizontal pole surface, the winding up roller both sides respectively with be fixed with the torsional spring between the backup pad, the wire with winding up roller surface winding is connected, and during the pulling wire, the winding up roller rotates on the horizontal pole surface, makes it drive the torsional spring and rotates the power of going up.

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

according to the transformer module, the copper bar in the sleeve plate can be contacted and attached to the lower end of the transformer module through the rotation bolt and the elastic characteristic of the spring, the touch plates are clamped on two sides of the transformer module, if the transformer module leaks electricity accidentally, the copper bar can be guided into the ground through the conducting wire, so that the danger caused by the electrification of the surface of the device is prevented, the power supply input of the transformer can be closed through the matching of the switch module, the short-circuit damage of the device is prevented, and the device can be safely and stably used for a long time, is simple to operate and is easy to popularize.

Drawings

Fig. 1 is a schematic structural diagram of a transformer guard for a substation.

Fig. 2 is a schematic structural view of the sleeve plate of the present invention.

FIG. 3 is a schematic view of the structure of the winding roll of the present invention.

In the figure: 1. a protective box; 2. a transformer module; 3. a switch module; 4. a cable; 5. a door body; 6. an observation window; 7. a heat-dissipating web; 8. a support bar; 9. a protective baffle; 10. sheathing; 11. copper bars; 12. a spring; 13. a touch panel; 14. a bolt; 15. a wire; 16. a sleeve; 17. a support plate; 18. a cross bar; 19. a winding roller; 20. a torsion spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

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.

Example 1

Referring to fig. 1 to 3, in the present invention, a transformer protection device for a transformer substation includes:

the protective box comprises a protective box 1 and a transformer module 2 arranged in an inner cavity of the protective box 1, wherein a sleeve plate 10 is sleeved in the inner cavity of the protective box 1, a copper bar 11 is embedded in the inner cavity of the sleeve plate 10, springs 12 are respectively fixed on two sides of the inner cavity of the sleeve plate 10, a contact plate 13 movably connected with the upper end face of the copper bar 11 is fixed on the extension end of each spring 12, a bolt 14 is meshed with the lower end face of the protective box 1 through threads, the bolt 14 is rotatably connected with the lower end face of the sleeve plate 10 through a bearing, a lead 15 connected with the copper bar 11 is embedded in the lower end face of the sleeve plate 10, a sleeve 16 sleeved with the surface of the lead 15 is embedded in the lower end face of the protective box 1, two support plates 17 are fixed on the lower end face of the protective box 1, a cross rod 18 is fixed between the two support plates 17, a winding roller 19 is sleeved on the surface of the cross rod 18, torsion springs 20 are respectively fixed between two sides of the winding roller 19 and the support plates 17, the lead 15 is wound and connected with the winding roller 19, the bolt 14 is rotated, the copper bar 11 embedded in the sleeve plate 10 can be contacted with the lower end of the transformer module 2, meanwhile, the contact plates 13 are pressed to be in contact with the two sides of the transformer module 2 through the elastic characteristic of the springs 12, the lead 15 penetrates through the sleeve 16 to be in contact connection with the ground, and when the electric leakage surface of the transformer module 2 is electrified, the current of the transformer module is led into the ground through the lead 15 through the copper bars 11 and the contact plates 13.

Example 2

Referring to fig. 1, the difference from embodiment 1 is: protection box 1 one side is fixed with switch module 3 with 2 electric wire connection of transformer module, switch module 3 input end is fixed with cable 4, 1 surface of protection box rotates through the hinge and installs a body 5, the inside gomphosis of the door body 5 has

observation window

6, 1 up end gomphosis of protection box has radiator-

grid

7, 1 up end of protection box is fixed with

bracing piece

8, 8 up end welding of bracing piece have guard flap 9, guard flap 9 locates radiator-grid 7 top, through radiator-grid 7, can be when 2 operations of transformer module, the gaseous emission that produces in protection box 1, cool down in its protection box 1, can prevent through guard flap 9 that the rainwater from getting into in protection box 1 from radiator-grid 7.

The working principle of the utility model is as follows: firstly, manually rotating a bolt 14 to enable the bolt 14 to rotate and move upwards to drive a sleeve plate 10 to move upwards, so that a copper bar 11 embedded in the sleeve plate 10 contacts with the lower end of a transformer module 2, meanwhile, a touch plate 13 is extruded to contact with two sides of the transformer module 2 through the elastic characteristic of a spring 12, then a lead 15 connected with one end of the copper bar 11 passes through a sleeve 16, extends out of the lower end of a protective box 1 and is wound on the surface of a winding roller 19, one end of the lead 15 is pulled to be in contact connection with the ground, when the lead 15 is pulled, the winding roller 19 rotates on the surface of a cross rod 18 and drives a torsion spring 20 to rotate to exert upward force, so that the transformer module 2 is grounded, when the electric leakage surface of the transformer module 2 is electrified, the current is led into the ground through the copper bar 11 and the touch plate 13, and meanwhile, the connection part of the transformer module 2 and a cable 4 is closed through a switch module 3, the working principle of the utility model is completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A transformer guard for a substation, comprising:

protective housing (1) with install in transformer module (2) of protective housing (1) inner chamber, protective housing (1) inner chamber has cup jointed lagging (10), lagging (10) inner chamber gomphosis has copper bar (11), lagging (10) inner chamber both sides are fixed with spring (12) respectively, spring (12) extension end be fixed with copper bar (11) up end swing joint's touch panel (13), terminal surface thread engagement has bolt (14) under protective housing (1), bolt (14) with rotate through the bearing between the terminal surface under lagging (10) and connect, lagging (10) lower extreme gomphosis have with wire (15) that copper bar (11) are connected, terminal surface gomphosis has with sleeve pipe (16) that wire (15) surface cup jointed under protective housing (1).

2. The transformer guard for a substation according to claim 1, characterized in that a switch module (3) in wire connection with the transformer module (2) is fixed to one side of the guard box (1), and a cable (4) is fixed to the input end of the switch module (3).

3. The transformer protection device for the transformer substation according to claim 1, characterized in that a door body (5) is rotatably mounted on the surface of the protection box (1) through a hinge, and an observation window (6) is embedded in the door body (5).

4. The transformer protection device for the transformer substation according to claim 1, characterized in that a heat dissipation net (7) is embedded on the upper end face of the protection box (1), a support rod (8) is fixed on the upper end face of the protection box (1), and a protection baffle (9) is welded on the upper end face of the support rod (8).

5. A transformer guard for a substation according to claim 4, characterized in that the guard flap (9) is provided above the radiator grid (7).

6. The transformer protection device for the transformer substation according to claim 1, characterized in that two support plates (17) are fixed on the lower end face of the protection box (1), a cross rod (18) is fixed between the two support plates (17), a winding roller (19) is sleeved on the surface of the cross rod (18), torsion springs (20) are fixed between two sides of the winding roller (19) and the support plates (17), and the wires (15) are wound on the surface of the winding roller (19).