Medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions

Abstract

The utility model discloses a medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions. The medium-voltage phase-shifting transformer cabinet comprises a frame, a top cover arranged at the top of the frame, a base arranged at the bottom of the frame, two door plates arranged at the front end and the rear end of the frame respectively, and sealing plates arranged at the left end and the right end of the frame. A fan is arranged above the top cover; an epoxy resin wire binding beam is arranged on the inner side of the sealing plate; the phase-shifting transformer is arranged above the base and is connected with the base through a fastening bolt; the middle of the phase-shifting transformer is sleeved with a flexible wind shield, and a current collector is arranged above the phase-shifting transformer. The base is welded with the channel steel and the steel plate tailor-welded structure, so that the load bearing of the cabinet is enhanced, and the transportation is convenient; the carrier slots are formed in the left and right sides of the base, so that the carrier can be used for carrying when the platform space is narrow; the cabinet structure is matched with the fan to enhance ventilation and heat dissipation, so that the medium-voltage phase-shifting transformer cabinet has a good heat dissipation effect; and by designing the epoxy resin wire binding beam, high-voltage cable wiring and input voltage acquisition are facilitated.

Description

Technical Field

[0001] The utility model belongs to the field of offshore oil artificial lifting, and in particular relates to a medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions. Background Art

[0002] In the field of offshore oil artificial lifting technology, frequency converters are generally used for oil production operations. Conventional low-voltage frequency converters are widely used. Medium-voltage frequency converters have the characteristics of long transmission distance and no need to install low-voltage disks. They are more and more widely used in offshore platforms. Phase-shifting transformers are an important component of medium-voltage frequency converters. The weight of phase-shifting transformers is generally about 2t to 3t, and the heat generation is large. It is difficult to support the strength of conventional electrical cabinets and inconvenient to carry. Utility Model Content

[0003] The utility model is proposed to solve the problems existing in the prior art that the phase-shifting transformer is too heavy, the cabinet strength is difficult to support, and the transportation is inconvenient. Its purpose is to provide a medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions.

[0004] The utility model is realized by the following technical solutions:

[0005] A medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions comprises a frame, a top cover arranged on the top of the frame, a base arranged on the bottom of the frame, two door panels respectively arranged on the front and rear ends of the frame, and sealing plates arranged on the left and right ends of the frame; a fan is arranged above the top cover; an epoxy resin binding beam is arranged on the inner side of the sealing plate; a phase-shifting transformer is arranged above the base and connected to the base by fastening bolts; a flexible windshield is sleeved in the middle of the phase-shifting transformer, and a current collector is arranged above the phase-shifting transformer.

[0006] In the above technical solution, the door panel is composed of at least one single door panel, and the single door panel is hinged to the frame.

[0007] In the above technical solution, a ventilation grille is provided on the single door panel.

[0008] In the above technical solution, the base includes a base, a bottom plate arranged on the base and end plates arranged around the base. The base is a grid structure composed of multiple support beams connected to each other, wherein the support beams running through the front and rear end faces are C-shaped channel steels; the bottom plate is a three-layer 5mm steel plate welded structure.

[0009] In the above technical solution, at least one ground slot is formed on the left and right end faces of the base.

[0010] In the above technical solution, the flexible wind shield is located above the ventilation grille, and the edge of the flexible wind shield is fixed to the frame.

[0011] In the above technical solution, the current collector is fixed to the inner bottom surface of the top cover via a fixing frame.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions. The cabinet is strengthened in load-bearing capacity and convenient for transportation by welding channel steel and steel plate on the base. Ground bull slots are arranged on the left and right sides of the base so that the cabinet can be carried when the platform space is narrow. The cabinet structure is matched with a fan to strengthen ventilation and heat dissipation, so that the medium-voltage phase-shifting transformer cabinet has a good heat dissipation effect. The epoxy resin binding beam is designed to facilitate the routing of high-voltage cables and the collection of input voltage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model from the main viewing angle;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model from a rear perspective (the end plate and the rear side door plate are omitted);

[0016] Figure 3 It is a schematic diagram of the structure of the utility model from an upward angle;

[0017] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of part A.

[0018] in:

[0019] 1. Frame; 2. Door panel; 3. Ventilation grille; 4. Top cover; 5. Fan; 6. Epoxy resin wire binding beam; 7. Base; 8. Current collector; 9. Flexible wind shield; 10. Fastening bolts; 11. Phase-shifting transformer; 12. Cover plate; 71. Support beam; 72. Ground cattle slot.

[0020] For ordinary technicians in this field, other relevant drawings can be obtained based on the above drawings without any creative work. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0022] Example 1

[0023] like Figure 1 , 2As shown, a medium-voltage phase-shifting transformer cabinet suitable for offshore oil working conditions comprises a frame 1, a top cover 4 arranged on the top of the frame 1, a base 7 arranged on the bottom of the frame 1, two door panels 2 respectively arranged on the front and rear ends of the frame 1, and sealing panels 12 arranged on the left and right ends of the frame 1;

[0024] The door panel 2 is composed of at least one single door panel, which is hinged to the frame 1. The door panel is designed to be easy to open and close, and to inspect and repair the internal components;

[0025] A ventilation grille 3 is provided on the single door panel;

[0026] A fan 5 is arranged above the top cover 4, and an air outlet is arranged at a corresponding position of the top cover 4;

[0027] An epoxy resin wire binding beam 6 is arranged inside the sealing plate 12;

[0028] The base 7 includes a base, a bottom plate arranged on the base, and an end plate arranged around the base. The base is a grid structure composed of multiple support beams 71 connected to each other, wherein the support beams 71 penetrating the front and rear end surfaces are C-shaped channel steels; in this embodiment, three support beams 71 (C-shaped channel steels) penetrating the front and rear end surfaces are arranged; the bottom plate is a three-layer 5mm steel plate welded structure;

[0029] At least one ground slot 72 is formed on the left and right end surfaces of the base 7;

[0030] The phase-shifting transformer 11 is arranged above the base 7 and is located within the enclosure of the frame 1. The phase-shifting transformer 11 is connected to the base 7 by fastening bolts 10, and the fastening bolts 10 are fully welded and fixed to the top surface of the base 7.

[0031] A flexible windshield 9 is sleeved in the middle of the phase-shifting transformer 11. The flexible windshield 9 is located above the ventilation grille 3. The edge of the flexible windshield 9 is fixed to the frame 1.

[0032] A current collector 8 is arranged above the phase-shifting transformer 11 , and the current collector 8 is fixed to the phase-shifting transformer 11 .

[0033] The utility model has the following advantages:

[0034] (1) Strengthen the load-bearing capacity and facilitate transportation: C-shaped channel steel is welded through the front and rear positions of the base to serve as a lifting and forklift tooling; the bottom plate is welded in three layers, which has high strength, and in the three-layer steel plate welded structure, the phase-shifting transformer (11) is fixed to the first layer of steel plate by fastening bolts. At the same time, the second and third layers of the welded structure are provided with bolt through holes, and the bolts are sunk in and placed, which does not affect the transportation of the equipment;

[0035] (2) Convenient for platform ground bull transportation: Ground bull slots are set on the left and right sides of the base, so that when the platform space is small, ground bulls can be used for transportation;

[0036] (3) Strengthen ventilation and heat dissipation: Door panels are installed in front and behind the frame, a top cover is installed above the frame, a fan is installed above the top cover, a phase-shifting transformer is installed on the base, a flexible wind shield is installed in the middle of the phase-shifting transformer, and a ventilation grille is installed in the lower part of the door panel corresponding to the lower part of the flexible wind shield to ensure that the incoming air passes through the ventilation grille and directly draws out the transformer from the middle of the wire package, so as to achieve good heat dissipation;

[0037] (4) High-voltage cable routing and current collection: Epoxy resin binding beams are placed on the left and right sides of the frame, and a current collector is placed above the phase-shifting transformer to facilitate high-voltage cable routing and input voltage collection.

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0039] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0041] The applicant declares that the above is only a specific implementation method of the present utility model, but the protection scope of the present utility model is not limited thereto. The technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by the technicians in the relevant technical field within the technical scope disclosed in the present utility model fall within the protection scope and disclosure scope of the present utility model.

Claims

1. A medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions, characterized by: The invention comprises a frame (1), a top cover (4) arranged at the top of the frame (1), a base (7) arranged at the bottom of the frame (1), two door panels (2) respectively arranged at the front and rear ends of the frame (1), and a sealing plate (12) arranged at the left and right ends of the frame (1); a fan (5) is arranged above the top cover (4); an epoxy resin wire binding beam (6) is arranged inside the sealing plate (12); a phase-shifting transformer (11) is arranged above the base (7) and connected to the base (7) by means of fastening bolts (10); a flexible windshield (9) is sleeved in the middle of the phase-shifting transformer (11), and a current collector (8) is arranged above the phase-shifting transformer (11).

2. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 1 is characterized in that: The door panel (2) is composed of at least one single door panel, and the single door panel is hinged to the frame (1).

3. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 2 is characterized in that: A ventilation grille (3) is arranged on the single door panel.

4. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 1 is characterized in that: The base (7) comprises a base, a bottom plate arranged on the base, and end plates arranged around the base. The base is a grid structure composed of a plurality of support beams (71) connected to each other, wherein the support beams (71) passing through the front and rear end surfaces are C-shaped channel steels; the bottom plate is a multi-layer steel plate welded structure.

5. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 1 is characterized in that: At least one ground slot (72) is formed on both the left and right end surfaces of the base (7).

6. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 1 is characterized in that: The flexible wind shield (9) is located above the ventilation grille (3), and the edge of the flexible wind shield (9) is fixed to the frame (1).

7. The medium voltage phase-shifting transformer cabinet suitable for offshore oil working conditions according to claim 1 is characterized in that: The current collector (8) is fixed to the inner bottom surface of the top cover (4) via a fixing frame.

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