CN213845946U

CN213845946U - Protective device for combined box-type transformer

Info

Publication number: CN213845946U
Application number: CN202022258385.5U
Authority: CN
Inventors: 王国竞; 贾永来; 王国强; 罗园园; 冉占京; 姚文武
Original assignee: Zhengzhou Zhengkong Electric Control Co ltd
Current assignee: Zhengzhou Zhengkong Electric Control Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-07-30
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a combined type is protector for box transformer, including shell, supporting seat and top shell, the shell lower extreme is provided with the base, base lower extreme four corners department is provided with the supporting leg, supporting leg lower extreme periphery is provided with the supporting seat, the bottom is provided with supporting spring in the supporting seat, the periphery is array distribution and has connecting seat one in the shell upper end, connecting seat one upper end middle part is provided with damping spring, damping spring upper end periphery is provided with connecting seat two, two upper ends of connecting seat are provided with the top shell. Has the advantages that: the utility model discloses a set up supporting leg, supporting spring and supporting seat, supporting spring can play the cushioning effect between supporting leg and supporting seat, can weaken the influence of ground vibrations to equipment in the device, makes the device can carry out good protection, very practicality to equipment in earthquake or other ground vibrations.

Description

Protective device for combined box-type transformer

Technical Field

The utility model relates to a box transformer technical field, concretely relates to combined type is protector for box transformer.

Background

The composite box-type transformer (box-type substation) is also called a pre-installed substation or a pre-installed substation. The high-voltage switch equipment, the distribution transformer and the low-voltage distribution device are factory prefabricated indoor and outdoor compact distribution equipment which are integrated according to a certain wiring scheme, namely, the functions of transformer voltage reduction, low-voltage distribution and the like are organically combined together and are arranged in a steel structure box which is damp-proof, rust-proof, dust-proof, rat-proof, fireproof, anti-theft, heat-insulating, totally-closed and movable. The box-type transformer substation is suitable for mines, factory enterprises, oil-gas fields and wind power stations, replaces the original civil power distribution room and power distribution station, and becomes a novel complete set of power transformation and distribution device.

The protection device for the existing combined type box-type transformer is short of damping measures at the bottom, and is difficult to protect equipment in an earthquake or other ground earthquakes, so that the practicability is not enough, the protection performance of the top of the existing protection device for the combined type box-type transformer is poor, and the equipment in the device is easily interfered by an external electric field.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the protective device for the combined type box-type transformer is provided, and the problems that the bottom of the conventional protective device for the combined type box-type transformer is lack of damping measures, equipment is difficult to protect in an earthquake or other ground earthquakes, and the practicability is insufficient are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a protector for box transformer of combined type, including shell, supporting seat and top shell, the shell lower extreme is provided with the base, base lower extreme four corners department is provided with the supporting leg, supporting leg lower extreme periphery is provided with the supporting seat, the bottom is provided with supporting spring in the supporting seat, the periphery is array distribution and has connecting seat one in the shell upper end, connecting seat one upper end middle part is provided with damping spring, damping spring upper end periphery is provided with connecting seat two, two upper ends of connecting seat are provided with the top shell.

Further, the base is connected with the lower end of the shell through a bolt, the upper end of the supporting leg is welded with the lower end of the base, the outer wall of the supporting leg is connected with the inner wall of the supporting seat in a sliding mode, and the supporting spring is clamped and pressed to be fixed between the lower end of the supporting leg and the inner bottom end of the supporting seat.

Through adopting above-mentioned technical scheme, the base can be right the shell bottom is consolidated, the supporting seat with supporting spring can assist the supporting leg is right the shell supports, supporting spring is in the supporting leg with can play the cushioning effect between the supporting seat.

Furthermore, the lower end of the first connecting seat is welded with the periphery of the upper end of the shell, the lower end of the damping spring is connected with the middle of the upper end of the first connecting seat through a clamping groove, the upper end of the damping spring is connected with the middle of the lower end of the second connecting seat through a clamping groove, and the upper end of the second connecting seat is welded with the inner wall of the top shell.

Through adopting above-mentioned technical scheme, damping spring can rely on connecting seat one with the shell is right connecting seat two with the top shell supports, when the top shell meets weight thing, hail etc. damping spring can play the effect of shock attenuation, unloading.

Further, shell upper end outer wall with top shell inner wall sliding connection, all the welding has the heat dissipation window in the middle part of shell both sides wall, the heat dissipation window is kept away from shell one end middle part is connected with the dust screen through the draw-in groove.

By adopting the technical scheme, the dustproof net can prevent external impurities such as dust from entering the device on the premise of not influencing the heat dissipation performance of the device.

Furthermore, a baffle welded with the heat dissipation window is arranged above the dustproof net, a heat dissipation fan is connected in the heat dissipation window through a bolt, and an electrostatic shielding net is fixed on the inner wall of the shell through a screw.

By adopting the technical scheme, the baffle can play the protective action on the heat dissipation window, prevent rainwater and the like from entering the heat dissipation window, the cooling fan can enable air inside and outside the device to circulate fast during working, and is favorable for dissipating heat of equipment such as a power converter and the like in the device, the electrostatic shielding net can play an electrostatic shielding role in the device, so that the equipment in the device cannot be influenced by an external electric field, and the equipment in the device cannot influence the external electric field.

Furthermore, the position that leans on down in the middle part of another lateral wall of shell has the chamber door through hinge connection, chamber door middle part both sides all are embedded to have the handle, are provided with the lock that inlays on the chamber door between the handle.

By adopting the technical scheme, after the door lock on the box door is opened, the box door can be opened through the handle.

(III) advantageous effects

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

in order to solve the problems that the bottom of the protective device for the existing combined type box-type transformer is lack of a shock absorption measure, the equipment is difficult to protect in the earthquake or other ground earthquakes, and the practicability is insufficient, the utility model is provided with the supporting legs, the supporting springs and the supporting seats, the supporting springs can play a shock absorption role between the supporting legs and the supporting seats, the influence of the ground vibration on the equipment in the device can be weakened, and the device can well protect the equipment in the earthquake or other ground earthquakes, and is very practical; for solving current combined type is that protector top protective performance is relatively poor for box transformer, the easy problem that is disturbed by outside electric field of equipment in the device, the utility model discloses a set up connecting seat one, connecting seat two, damping spring, top shell and electrostatic screen net, make the top of device have splendid protective performance, can effectually protect to hail, weight thing etc. the electrostatic screen net can be in the inside effect that plays electrostatic screen of device, makes equipment in the device can not influenced by outside electric field.

Drawings

Fig. 1 is a schematic structural view of a protection device for a combined box-type transformer according to the present invention;

fig. 2 is a cross-sectional view of an outer shell and a top shell of the protection device for the combined box-type transformer according to the present invention;

fig. 3 is a cross-sectional view of a support leg and a support seat in the protector for the combined type box-type transformer.

The reference numerals are explained below:

1. a housing; 2. a base; 3. supporting legs; 4. a supporting seat; 5. a support spring; 6. a first connecting seat; 7. a damping spring; 8. a second connecting seat; 9. a top shell; 10. a heat dissipation window; 11. a dust screen; 12. a baffle plate; 13. a heat radiation fan; 14. an electrostatic shielding mesh; 15. and (4) a box door.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the protector for the combined box-type transformer in this embodiment includes a housing 1, a supporting seat 4 and a top case 9, the lower end of the housing 1 is provided with a base 2, four corners of the lower end of the base 2 are provided with supporting legs 3, the supporting seat 4 is arranged on the periphery of the lower end of each supporting leg 3, supporting springs 5 are arranged at the bottom end of each supporting seat 4, the upper end periphery of the housing 1 is distributed in an array manner with first connecting seats 6, the middle parts of the upper ends of the first connecting seats 6 are provided with damping springs 7, the upper end periphery of each damping spring 7 is provided with a second connecting seat 8, and the upper end of the second connecting seat 8 is provided with the top case 9.

As shown in fig. 1 and 3, base 2 passes through bolted connection with 1 lower extreme of shell, 3 upper ends of supporting legs and 2 lower extreme welding of base, 3 outer walls of supporting legs and 4 inner wall sliding connection of supporting seat, supporting spring 5 is pressed to be fixed between the bottom in 3 lower extremes of supporting legs and 4 supporting seats by the card, base 2 can be consolidated shell 1 bottom, supporting seat 4 and supporting spring 5 can assist supporting leg 3 to support shell 1, supporting spring 5 can play the cushioning effect between supporting leg 3 and supporting seat 4, can weaken the influence of ground vibrations to equipment in the device.

As shown in fig. 1-2, the lower end of the first connecting seat 6 is welded with the periphery of the upper end of the housing 1, the lower end of the damping spring 7 is connected with the middle part of the upper end of the first connecting seat 6 through a clamping groove, the upper end of the damping spring 7 is connected with the middle part of the lower end of the second connecting seat 8 through a clamping groove, the upper end of the second connecting seat 8 is welded with the inner wall of the top shell 9, the damping spring 7 can support the second connecting seat 8 and the top shell 9 by means of the first connecting seat 6 and the housing 1, and when the top shell 9 meets objects, hails and the like, the damping spring 7 can play the roles of damping and discharging, so that the device has excellent protective performance.

As shown in fig. 1-2, the outer wall of the upper end of the housing 1 is slidably connected to the inner wall of the top case 9, heat dissipation windows 10 are welded to the middle portions of the two side walls of the housing 1, the middle portion of one end, away from the housing 1, of each heat dissipation window 10 is connected with a dust screen 11 through a clamping groove, the device can dissipate heat through the heat dissipation windows 10, the wind resistance of the dust screen 11 is low, and impurities such as external dust can be prevented from entering the device without affecting the heat dissipation performance of the device.

As shown in fig. 1-2, a baffle 12 welded to the heat dissipation window 10 is disposed above the dust screen 11, a heat dissipation fan 13 is connected to the heat dissipation window 10 through a bolt, an electrostatic shielding net 14 is fixed to an inner wall of the housing 1 through a bolt, the baffle 12 can protect the heat dissipation window 10 from rainwater and prevent rainwater from entering the heat dissipation window 10, the heat dissipation fan 13 can enable air inside and outside the device to circulate rapidly during operation, which is helpful for dissipating heat of equipment such as a power converter in the device, the electrostatic shielding net 14 can play an electrostatic shielding role inside the device, so that the equipment in the device is not affected by an external electric field, and the equipment in the device is not affected by the external electric field, so as to avoid the equipment from being interfered.

As shown in fig. 1, a box door 15 is connected to the lower position of the middle portion of the other side wall of the housing 1 through a hinge, handles are embedded in both sides of the middle portion of the box door 15, a door lock embedded in the box door 15 is arranged between the handles, and the box door 15 can be opened through the handles after the door lock on the box door 15 is opened, so that the door lock is very convenient and fast.

The specific implementation process of this embodiment is as follows: when the device is arranged, the supporting seat 4 can be buried into the ground, or the supporting seat 4 is poured and fixed on the ground by using cement, the supporting seat 4 and the supporting spring 5 can assist the supporting leg 3 to support the shell 1, the supporting spring 5 can play a role in damping between the supporting leg 3 and the supporting seat 4, and can weaken the influence of ground vibration on equipment in the device, the damping spring 7 can support the connecting seat II 8 and the top shell 9 by relying on the connecting seat I6 and the shell 1, when the top shell 9 meets objects, hailstones and the like, the damping spring 7 can play a role in damping and relieving stress, so that the device has excellent protective performance, the heat radiation fan 13 can quickly circulate air inside and outside the device during working, the heat radiation of equipment such as a power converter and the like in the device is facilitated, the dust screen 11 can prevent impurities such as external dust and the like from entering the device, and the electrostatic shielding screen 14 can play an electrostatic shielding role inside the device, the equipment in the device can not be influenced by an external electric field, and the equipment in the device can not influence the external electric field, so that the equipment is prevented from being interfered, and the device is very practical.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a protector for box transformer of combined type, includes shell (1), supporting seat (4) and topshell (9), its characterized in that: the improved support device is characterized in that a base (2) is arranged at the lower end of the shell (1), supporting legs (3) are arranged at four corners of the lower end of the base (2), supporting seats (4) are arranged on the periphery of the lower ends of the supporting legs (3), supporting springs (5) are arranged at the inner bottom ends of the supporting seats (4), a first connecting seat (6) is distributed on the periphery of the upper end of the shell (1) in an array mode, damping springs (7) are arranged in the middle of the upper end of the first connecting seat (6), a second connecting seat (8) is arranged on the periphery of the upper end of the damping springs (7), and a top shell (9) is arranged on the upper end of the second connecting seat (8).

2. The protection device for the combined type box-type transformer of claim 1, wherein: base (2) with shell (1) lower extreme passes through bolted connection, supporting leg (3) upper end with base (2) lower extreme welding, supporting leg (3) outer wall with supporting seat (4) inner wall sliding connection, supporting spring (5) are pressed to be fixed by the card supporting leg (3) lower extreme with between the bottom in supporting seat (4).

3. The protection device for the combined type box-type transformer of claim 1, wherein: the lower end of the first connecting seat (6) is welded with the periphery of the upper end of the shell (1), the lower end of the damping spring (7) is connected with the middle of the upper end of the first connecting seat (6) through a clamping groove, the upper end of the damping spring (7) is connected with the middle of the lower end of the second connecting seat (8) through a clamping groove, and the upper end of the second connecting seat (8) is welded with the inner wall of the top shell (9).

4. The protection device for the combined type box-type transformer of claim 1, wherein: outer wall on shell (1) upper end with top shell (9) inner wall sliding connection, all welded at shell (1) both sides wall middle part has heat dissipation window (10), heat dissipation window (10) are kept away from shell (1) one end middle part is connected with dust screen (11) through the draw-in groove.

5. The protection device for the combined type box-type transformer of claim 4, wherein: the dustproof net is characterized in that a baffle (12) welded with the heat dissipation window (10) is arranged above the dustproof net (11), a heat dissipation fan (13) is connected into the heat dissipation window (10) through a bolt, and an electrostatic shielding net (14) is fixed on the inner wall of the shell (1) through a screw.

6. The protection device for the combined type box-type transformer of claim 5, wherein: the position that leans on down in the middle part of another lateral wall of shell (1) has chamber door (15) through hinge connection, chamber door (15) middle part both sides all are embedded to have the handle, are provided with the lock of embedding on chamber door (15) between the handle.