CN212380274U

CN212380274U - Dry-type transformer opens door outage protector

Info

Publication number: CN212380274U
Application number: CN202020703068.7U
Authority: CN
Inventors: 马友涛; 张强; 宋述英; 何沛; 耿全喜
Original assignee: Shandong Runchi Electric Co ltd
Current assignee: Shandong Runchi Electric Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-19
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a dry type transformer door opening and power failure protection device, which relates to the technical field of dry type transformers and comprises a transformer box, wherein a dry type transformer body is arranged inside the transformer box, four rollers are symmetrically arranged at the bottom of the transformer box, a clamping piece is arranged at the top end of the dry type transformer body, a base is arranged at the bottom of the dry type transformer body, gaskets are respectively arranged between the base and the clamping piece as well as the dry type transformer body, one side of the transformer box is connected with a box door through a hinge, a manual air switch is arranged at the inner side of the box door, two mounting devices are symmetrically arranged at the bottom of the transformer box, a drying device is arranged at the top end of the transformer box, the inside of the transformer box is dried through an infrared lamp in the drying device, and steam generated by drying is discharged from a steam outlet, so as to ensure that the insulating part of the transformer and the power-off protection device are not affected with damp.

Description

Dry-type transformer opens door outage protector

Technical Field

The utility model belongs to the technical field of dry-type transformer, concretely relates to dry-type transformer opens door outage protector.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The cooling method is classified into natural air cooling (AN) and forced air cooling (AF). During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. During forced air cooling, the output capacity of the transformer can be improved by 50 percent, and the transformer is suitable for intermittent overload operation or overload operation in emergency accidents; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.

When the transformer is powered off, the door of the transformer needs to be opened to cut off the power, so that the safety of a user needs to be ensured, but the conventional dry-type transformer has some defects in the use process, for example, the transformer is placed in one place for a long time to be used, an insulating part and the power-off protection device are affected with damp, the normal work of the power-off device is influenced, and the use is not safe enough; and the dry-type transformer with the roller is inconvenient to install and unstable to install.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer outage protector that opens door to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a dry type transformer door opening and power failure protection device comprises a transformer box, a dry type transformer body is arranged inside the transformer box, four idler wheels are symmetrically arranged at the bottom of the transformer box, a clamping piece is arranged at the top end of the dry type transformer body, a base is arranged at the bottom of the dry type transformer body, gaskets are arranged between the base and the clamping piece and between the dry type transformer body, handles are symmetrically arranged on two side walls of the transformer box, one side of the transformer box is rotatably connected with a box door through a hinge, a manual air switch is arranged on the inner side of the box door, two installation devices are symmetrically arranged at the bottom of the transformer box and comprise fixing bolts, fixing rods, adjusting knobs and supporting plates, the fixing rods are arranged at the bottom of the transformer box, the fixing rods are telescopic rods fixed through the adjusting knobs, the supporting plates are arranged at the bottom of the, the fixing bolts are arranged in two numbers and symmetrically arranged on two sides of the supporting plate.

Preferably, a drying device is installed at the top end of the transformer box, an infrared lamp is installed at the top end of the interior of the drying device, and a steam outlet is formed in the drying device.

Preferably, the surface wall of one side of the clamping piece is provided with three high-voltage terminals, the surface wall of the other side of the clamping piece is provided with three low-voltage outgoing copper plates, and the dry-type transformer body is provided with a high-voltage connecting sheet and a high-voltage tap.

Preferably, the fans are installed on two sides of the base, the heat dissipation window is formed in the position, corresponding to the fans, of the transformer box, and the heat dissipation window is provided with heat dissipation fins.

Preferably, a control panel and a box door handle are installed on the front surface wall of the box door, and the infrared lamp and the fan are electrically connected with the control panel.

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

(1) the utility model discloses installed drying device on the top of transformer case, through the infrared lamp in the drying device, to carrying out drying in the transformer case, the steam that dry produced is discharged from steam outlet to guarantee that transformer insulating part and outage protector can not wet, avoid the transformer to place for a long time in a place and use, insulating part and outage protector can wet, influence outage device's normal work, use not safe enough problem.

(2) The utility model discloses installation device has been established in the bottom of transformer case, during the use, unscrews adjust knob and rises the dead lever to the department of height equal with the gyro wheel to fix the backup pad in the installation place through fixing bolt and fix, solved the dry-type transformer that has the gyro wheel and be not convenient for install, install problem that is not stable enough.

Drawings

FIG. 1 is an internal structural view of the present invention;

fig. 2 is a side view of the dry transformer body of the present invention;

FIG. 3 is a schematic structural view of the present invention;

in the figure: 1-an infrared lamp; 2-a drying device; 3-a transformer tank; 4-a handle; 5-dry transformer body; 6-a gasket; 7-a base; 8-a roller; 9-fixing the bolt; 10-a fixing rod; 11-adjusting knob; 12-a support plate; 13-a fan; 14-a clip; 15-high voltage terminals; 16-low voltage outlet copper plate; 17-a steam outlet; 18-a heat dissipation window; 19-a heat sink; 20-a control panel; 21-a box door; 22-manual air switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a dry type transformer door opening power-off protection device comprises a transformer box 3, a dry type transformer body 5 is arranged inside the transformer box 3, four idler wheels 8 are symmetrically arranged at the bottom of the transformer box 3, a clamping piece 14 is arranged at the top end of the dry type transformer body 5, a base 7 is arranged at the bottom of the dry type transformer body 5, gaskets 6 are arranged between the base 7 and the clamping piece 14 as well as between the dry type transformer body 5, the gaskets 6 are used for installing the base 7 and the clamping piece 14 on the dry type transformer body 5, handles 4 are symmetrically arranged on two side walls of the transformer box 3, a box door 21 is rotatably connected to one side of the transformer box 3 through hinges, a manual air switch 22 is arranged on the inner side of the box door 21, two installation devices are symmetrically arranged at the bottom of the transformer box 3, each installation device comprises a fixing bolt 9, a fixing rod 10, an adjusting knob 11, the fixing rod 10 is a telescopic rod fixed through a fixing bolt 9, the supporting plate 12 is arranged at the bottom of the fixing rod 10, the two adjusting knobs 11 are symmetrically arranged on two sides of the supporting plate 12, the fixing rod 10 is adjusted to the position same as the position of the roller 8 through the adjusting knobs 11, and the supporting plate 12 is fixed at an installation place through the fixing bolt 9.

Further, drying device 2 is installed on the top of transformer case 3, and infrared lamp 1 is installed on the inside top of drying device 2, and has seted up steam outlet 17 on drying device 2, opens infrared lamp 1 and can dry in transformer case 3, and the steam of production passes through steam outlet 17 and discharges.

Furthermore, three high-voltage terminals 15 are arranged on the surface wall of one side of the clamping piece 14, three low-voltage outlet copper plates 16 are arranged on the surface wall of the other side of the clamping piece, a high-voltage connecting sheet and a high-voltage tap are arranged on the dry-type transformer body 5, and the connecting lines of the high-voltage terminals 15, the low-voltage outlet copper plates 16, the high-voltage connecting sheet and the high-voltage tap are all connected with a manual air switch 22.

Further, fans 13 are mounted on two sides of the base 7, heat dissipation windows 18 are formed in positions, corresponding to the fans 13, of the transformer box 3, heat dissipation fins 19 are arranged on the heat dissipation windows 18, and the fans 13 output hot air from the heat dissipation windows 18.

Further, control panel 20 and case door handle are installed to the preceding table wall of chamber door 21, and infrared lamp 1 and fan 13 all with control panel 20 electric connection, fan 13 adopt GFD590155 to change crossing current cooling blower futilely, and when the user opened the case door handle, through starting manual air switch 22, the chamber door 21 was cut off the power supply to the transformer through manual air switch 22 promptly when opening, avoided direct manual not enough safety of closing.

The working principle and the process of the utility model are that the control panel 20 and the related electrical components connected with the control panel 20 are both powered on, the handle 4 is pushed to push the roller 8 to move the transformer box 3 to the using place, the transformer box 3 is fixed at a use place through the matching use of the fixing bolt 9, the fixing rod 10, the adjusting knob 11 and the supporting plate 12, external mechanical equipment is connected with the dry-type transformer body 5, the fan 13 is started to radiate heat and emit the heat from the radiating window 18 through the high-voltage terminal 15, the low-voltage outlet copper plate 16, the high-voltage connecting sheet and the high-voltage tap, the infrared lamp 1 in the drying device 2 is started, can dry and dry the dry type transformer body and discharge the steam from the steam outlet 17, when the dry type transformer body 5 needs to be maintained, when the box door 21 is opened, the manual air switch 22 is started to cut off the power while the box door handle is opened.

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

Claims

1. The utility model provides a dry type transformer power off protector that opens door, includes transformer box (3), the internally mounted of transformer box (3) has dry type transformer body (5), and the bottom symmetry of transformer box (3) is provided with four gyro wheels (8), folder (14) are installed on the top of dry type transformer body (5), and the bottom of dry type transformer body (5) installs base (7), all be provided with between base (7) and folder (14) and the dry type transformer body (5) gasket (6), handle (4), its characterized in that are installed to the both sides wall symmetry of transformer box (3): one side of transformer case (3) is connected with chamber door (21) through the hinge rotation, manual air switch (22) are installed to the inboard of chamber door (21), the bottom symmetry of transformer case (3) is provided with two installation device, installation device includes fixing bolt (9), dead lever (10), adjust knob (11) and backup pad (12), install in the bottom of transformer case (3) dead lever (10), and dead lever (10) pass through fixing bolt (9) for the telescopic link and fix, backup pad (12) set up the bottom at dead lever (10), adjust knob (11) are provided with two, and the symmetry installs the both sides at backup pad (12).

2. A dry-type transformer door opening and power failure protection device as claimed in claim 1, wherein: drying device (2) are installed on the top of transformer case (3), infrared lamp (1) are installed on the inside top of drying device (2), and have seted up steam outlet (17) on drying device (2).

3. A dry-type transformer door opening and power failure protection device as claimed in claim 2, wherein: three high-voltage terminals (15) are arranged on the surface wall of one side of the clamping piece (14), three low-voltage outgoing copper plates (16) are arranged on the surface wall of the other side of the clamping piece, and a high-voltage connecting piece and a high-voltage tap are arranged on the dry-type transformer body (5).

4. A dry-type transformer door opening and power failure protection device as claimed in claim 3, wherein: fan (13) are all installed to the both sides of base (7), heat dissipation window (18) have been seted up with fan (13) corresponding position department on transformer case (3), be provided with fin (19) on heat dissipation window (18).

5. The dry type transformer door opening and power failure protection device of claim 4, wherein: the front surface wall of the box door (21) is provided with a control panel (20) and a box door handle, and the infrared lamp (1) and the fan (13) are electrically connected with the control panel (20).