CN214152617U

CN214152617U - Dry-type transformer shell structure

Info

Publication number: CN214152617U
Application number: CN202120175716.0U
Authority: CN
Inventors: 王必清; 谢启文; 陈国富
Original assignee: Zhongjun Intelligent Quanzhou Co ltd
Current assignee: Zhongjun Intelligent Quanzhou Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-09-07
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a dry-type transformer shell structure, which comprises a square shell, a C-shaped beam framework and a door body arranged on the square shell, wherein the square shell mainly comprises a plurality of panels, and each panel is respectively arranged on the corresponding C-shaped beam framework; the door body is provided with an observation area, a plurality of observation holes are formed in the observation area, four U-shaped supports are installed on the inner side wall of the door body corresponding to the observation area, the opening of each U-shaped support faces the door body, each U-shaped support is sequentially connected end to end and forms a mounting area in a shape like a Chinese character kou, two pieces of glass are embedded in the mounting area, a metal grid is arranged between the two pieces of glass in a clamping mode, an L-shaped fixing frame is installed on each U-shaped support respectively, rubber pressing strips are arranged between one side of each L-shaped fixing frame and the glass in a clamping mode respectively, the metal grid is provided with a grounding terminal, and the grounding terminal is connected to one of the L-shaped fixing frames. Therefore, the square shell has good electromagnetic shielding effect and electromagnetic radiation pollution prevention, and is convenient to overhaul.

Description

Dry-type transformer shell structure

Technical Field

The utility model relates to a dry-type transformer field, more specifically say and relate to a dry-type transformer shell structure.

Background

The transformer shell is mainly used for safety protection of an operation transformer site. An observation window is arranged on a door body of an original transformer shell so as to be convenient for observing the interior of the transformer shell, but the observation window is not generally subjected to electromagnetic radiation pollution protection and electromagnetic shielding treatment; moreover, the temperature controller, the charged display and other electronic devices are arranged on the inner side of the transformer shell, when a secondary line has a small fault and needs to be overhauled, a door body is opened to enter the inside of the transformer shell after a power company has a power failure, so that the secondary line can be overhauled, and the secondary line cannot be overhauled at any time.

Accordingly, the present inventors have conducted extensive studies and have made the present invention.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dry-type transformer shell structure, it has good shielding electromagnetic action and protects electromagnetic radiation and pollutes, and overhauls the convenience.

In order to achieve the above purpose, the utility model discloses a solution is:

a dry-type transformer shell structure comprises a square shell, a plurality of C-shaped beam frameworks and a door body arranged on the square shell, wherein the position of the door body is the front side of the square shell, the square shell mainly comprises a plurality of panels, and each panel is respectively arranged on the corresponding C-shaped beam frameworks; the door body is provided with an observation area, the observation area is provided with a plurality of observation holes, four U-shaped supports are arranged on the inner side wall of the door body corresponding to the observation area, the openings of the U-shaped supports face the door body, the U-shaped supports are sequentially connected end to form a square mounting area, two pieces of glass are embedded in the mounting area, a metal grid is clamped between the two pieces of glass, L-shaped fixing frames are respectively arranged on the U-shaped supports, rubber strips are respectively clamped between one side of each L-shaped fixing frame and the glass, the metal grid is provided with a grounding terminal, and the grounding terminal is connected to one of the L-shaped fixing frames;

the front side of square casing closes on the installing port has been seted up to the position of the door body, inlay in the installing port and be equipped with the instrument box that is used for controlling the secondary circuit and connects the transformer, the instrument box install in expose the installing port on the C type roof beam skeleton, the instrument box includes instrument box and hinged joint in instrument box door on the instrument box, the terminal row electricity that is provided with the secondary circuit in the instrument box is connected control detection device in the square casing.

Each L-shaped fixing frame is provided with a fixing hole, each U-shaped support is provided with a threaded hole, each fixing hole corresponds to each threaded hole one by one, and each threaded hole is internally and spirally provided with a bolt.

The metal grid is connected with a grounding wire, and one end of the grounding wire is installed on one of the bolts.

The control detection device comprises a temperature display system for displaying the temperature of the transformer, a fan control system for cooling the transformer and an electromagnetic safety door for opening and closing the door body, wherein the temperature display system, the fan control system and the control end of the electromagnetic safety door are respectively and electrically connected with the terminal row.

After the structure is adopted, the utility model discloses following beneficial effect has: the door body is provided with a plurality of observation holes to facilitate observation of the running condition of the transformer in the square shell, and the arrangement of four U-shaped supports can play a good role in fixing the glass, rubber pressing strips are respectively erected between the glass and each L-shaped fixing frame to play a good buffering role between the L-shaped fixing frames and the glass, and the metal grid is provided with a grounding terminal which is connected to one of the L-shaped fixing frames to effectively ground charges on the metal grid, so that a good electromagnetic shielding effect is achieved, the damage of static electricity to human bodies is avoided, and meanwhile, the metal grid also has the function of protecting electromagnetic radiation pollution, and the normal work of instrument equipment is effectively guaranteed; set up the instrument box on square housing, when overhauing the secondary circuit, only need open the instrument box door can, need not the power company and have a power failure, it is more convenient to overhaul.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of a in fig. 1.

In the figure:

10-a square housing; 20-C type beam skeleton;

30-a door body; 31-a viewing aperture;

a 40-U-shaped bracket; 50-a metal grid;

a 60-L-shaped fixing frame; 70-rubber layering;

80-bolt; 90-instrument box.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

A dry-type transformer shell structure is shown in figures 1-2 and comprises a square shell 10, a plurality of C-shaped beam frameworks 20 and a door body 30, wherein the door body 30 is connected to the square shell 10 in a hinge mode, and the structure of the door body 30 is the same as that of a door body on an existing transformer shell, so that description is omitted; the C-shaped beam frameworks 20 are mutually assembled to form a framework, the square shell 10 is mainly formed by assembling a plurality of panels, each panel is respectively erected on the framework and is fixedly installed on the corresponding C-shaped beam framework 20, so that each C-shaped beam framework is positioned inside the square shell 10, and the structure of each C-shaped beam framework 20 is the same as that of the C-shaped beam framework on the existing transformer shell; during assembly, the frames are assembled by the C-beam frameworks 20, and then the panels are respectively mounted on the corresponding C-beam frameworks 20, so that the panels are assembled together into a square shape. Wherein the assembly of the square housing 10 and the C-beam skeleton 20 is known in the art.

For convenience of description, the position of the door body 30 is the front side of the square casing 10, the opposite side is the rear side, and the area surrounded by the square casing 10 is the inside, and the opposite side is the outside.

An observation area is divided on the door body 30, a plurality of observation holes 31 are formed in the observation area, the observation holes 31 are uniformly arranged at intervals, the observation holes 31 are round holes, and the diameters of the observation holes 31 are 25mm in the embodiment; thus, the arrangement of each observation hole 31 facilitates the staff to observe the inside of the square housing 10. Four U-shaped supports 40 are arranged on the inner side wall of the door body 30 corresponding to the observation area, openings of the four U-shaped supports 40 are arranged forwards, the four U-shaped supports 40 are welded on the door body 30, the U-shaped supports are sequentially connected end to end and are in a shape of a Chinese character 'kou', the surrounding range of the four U-shaped supports 40 is an installation area, two pieces of glass are embedded in the installation area, the two pieces of glass are overlapped, the two pieces of glass are sequentially arranged along the front and back directions, a metal mesh 50 is clamped between the two pieces of glass, the metal mesh is a shielding mesh sold on the market, and the metal mesh 50 and the two pieces of glass are in an integrally formed structure in the embodiment; the metal grid 50 is provided with a grounding terminal, the grounding terminal of the metal grid 50 is connected with a grounding wire, and one end of the grounding wire is fixed on one adjacent U-shaped bracket 40; like this, the ground terminal's of metal mesh 50 setting leads electric charge on two glasses to ground through metal mesh 50, plays fine shielding effect, and metal mesh has the effect of protection electromagnetic radiation pollution simultaneously, effectively ensures the normal work of instrument and equipment, and the guarantee staff is healthy.

In this embodiment, both glasses are the existing conventional tempered glass, and both glasses may also be other glasses, such as organic glass.

Furthermore, each U-shaped bracket 40 is provided with an L-shaped fixing frame 60, each L-shaped fixing frame 60 includes a first side and a second side which are integrally connected, each first side is attached to the back of the corresponding U-shaped bracket 40, each second side extends into the installation area, the side of each second side abuts against the glass on the rear side, the side of each second side is sleeved with a rubber strip 70, the cross section of each rubber strip 70 is U-shaped, each rubber strip 70 is clamped between the side of the corresponding second side and the glass, so that the rubber strips 70 buffer the space between the L-shaped fixing frame 60 and the glass, and glass breakage is avoided. The first side of each L-shaped fixing frame 60 is locked on the corresponding U-shaped bracket 40 by bolts, and the fixing structures of the L-shaped fixing frames 60 are the same, so that taking one of the L-shaped fixing frames as an example, the first side of the L-shaped fixing frame 60 is provided with a fixing hole, the U-shaped bracket 40 is provided with a threaded hole at a position corresponding to the fixing hole, the threaded hole is provided with a bolt 80, and an external thread section on the bolt 80 is spirally provided with an internal thread section of the threaded hole; during installation, the fixing holes on the L-shaped fixing frame 60 are aligned with the threaded holes on the U-shaped bracket 40, and then the bolts 80 are sequentially inserted into the fixing holes and screwed into the threaded holes, so as to fixedly install the L-shaped fixing frame 60 on the U-shaped bracket 40. Preferably, to ensure that the L-shaped fixing frames 60 are not easily loosened or shaken, two fixing holes are respectively formed on each L-shaped fixing frame 60, and correspondingly, two threaded holes are respectively formed on each U-shaped bracket 40.

In this embodiment, one end of the ground wire is connected to the ground terminal on the metal mesh 50, and the other end of the ground wire is connected to one of the bolts 80 and is sandwiched between the bolt 80 and the corresponding L-shaped fixing bracket 60, so as to conduct the charges on the metal mesh 50 to the ground through the L-shaped fixing bracket 60.

The door 30 may be provided with a plurality of observation regions, and each observation region may be provided as described above.

The utility model discloses in, the installing port has been opened to foretell square casing 10's front side, and this installing port inlays and is equipped with instrument box 90, and this instrument box 90 is located the position that closes on a body 30, and instrument box 90's inside wall fixed mounting on C type roof beam skeleton 20's relevant position, and this relevant position indicates C type roof beam skeleton 20 to expose in the part of installing port. When the instrument box 90 is installed at the installation opening of the square housing 10, the outer sidewall of the instrument box 90 is flush with the front sidewall of the square housing 10 to ensure the overall beauty of the square housing 10.

Further, the meter box 90 includes a meter box door hinged to the meter box body, and the meter box door is opened or closed to open or close the inside of the meter box body. A terminal row of a secondary circuit is arranged in the instrument box body, a control detection device is installed in the square shell 10, and the control end of the control detection device is connected with the terminal row through a conducting wire respectively, namely the secondary circuit of a dry type transformer protection system such as the control detection device and the like and a used power supply are connected into the instrument box body according to a conventional wiring diagram; like this, when will overhaul the secondary circuit, open the instrument chamber door and overhaul can.

It should be noted that the control detection device may include a device for detecting and/or controlling corresponding parameters of the transformer and a device for controlling opening and closing of a door body on a transformer housing, for example, the control detection device includes a temperature display system for displaying a temperature of the transformer, a fan control system for cooling the transformer, and an electromagnetic safety door for opening and closing the door body, control ends of the temperature display system, the fan control system, and the electromagnetic safety door are respectively electrically connected to the terminal row and the air switch, and the control detection device may be set according to an actual situation, and is not limited to the above devices. The secondary line is arranged in a conventional arrangement in the field of dry-type transformers, and the improvement of the embodiment is that an instrument box is arranged on the square shell 10, and the secondary line is introduced into the instrument box, so that the secondary line is not described.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should belong to the scope of the claims of the present invention.

Claims

1. A dry-type transformer shell structure comprises a square shell, a plurality of C-shaped beam frameworks and a door body arranged on the square shell, wherein the position of the door body is the front side of the square shell, the square shell mainly comprises a plurality of panels, and each panel is respectively arranged on the corresponding C-shaped beam frameworks; the door body is provided with an observation area, the observation area is provided with a plurality of observation holes, the inner side wall of the door body is provided with four U-shaped supports corresponding to the observation area, the opening of each U-shaped support faces the door body, the U-shaped supports are sequentially connected end to form a square mounting area, two pieces of glass are embedded in the mounting area, a metal grid is clamped between the two pieces of glass, L-shaped fixing frames are respectively mounted on the U-shaped supports, rubber pressing strips are respectively clamped between one side of each L-shaped fixing frame and the glass, the metal grid is provided with a grounding terminal, and the grounding terminal is connected to one of the L-shaped fixing frames;

2. A dry-type transformer enclosure structure as claimed in claim 1, wherein: each L-shaped fixing frame is provided with a fixing hole, each U-shaped support is provided with a threaded hole, each fixing hole corresponds to each threaded hole one by one, and each threaded hole is internally and spirally provided with a bolt.

3. A dry-type transformer enclosure structure as claimed in claim 2, wherein: the metal grid is connected with a grounding wire, and one end of the grounding wire is installed on one of the bolts.

4. A dry-type transformer enclosure structure as claimed in claim 1, wherein: the control detection device comprises a temperature display system for displaying the temperature of the transformer, a fan control system for cooling the transformer and an electromagnetic safety door for opening and closing the door body, wherein the temperature display system, the fan control system and the control end of the electromagnetic safety door are respectively and electrically connected with the terminal row.