CN213150526U

CN213150526U - Oil tank for mutual inductor

Info

Publication number: CN213150526U
Application number: CN202022286975.9U
Authority: CN
Inventors: 莫锟; 王增文; 莫华明; 李小燕; 刘雁兵; 梁琮; 肖晓红; 沈程炼; 黄火明; 王军贵; 廖海; 黄楚秋
Original assignee: Guilin Power Capacitor Co ltd
Current assignee: Guilin Power Capacitor Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-07
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to an oil tank for mutual-inductor belongs to power equipment technical field. This an oil tank for mutual-inductor, including outlet box and box, be equipped with oil charge pipe and oil drain pipe on the box lateral wall, can dismantle the connection on the lateral wall of box outlet box, install cable inlet wire pipe in the outlet box and be used for with the termination that electrical equipment in the box is connected. Has the advantages that: the cable outlet box is convenient to assemble and disassemble, the cable outlet box and the cable inlet pipe are convenient to replace, the center distance from the cable inlet pipe to the voltage transformer can be adjusted on site, and different installation requirements are met.

Description

Oil tank for mutual inductor

Technical Field

The utility model belongs to the technical field of power equipment, concretely relates to an oil tank for mutual-inductor.

Background

The oil tank of the voltage transformer is usually welded by steel plates, the structure is complex, the process requirement is high, the processing is difficult, and the oil tank needs to be subjected to surface rust prevention treatment in modes of sand blasting, zinc spraying, hot dip galvanizing, paint and the like. The rust-proof treatment increases the production cost, causes environmental pollution and influences the health of workers.

The voltage transformer product is usually installed on a higher steel support, the self weight is large, the gravity center is high from the ground, the lifting weight is large during installation, the steel support with higher strength is required for supporting, and the installation is inconvenient.

The oil tank needs to adjust the center distance from the cable inlet pipe to the voltage transformer according to the actual requirements of different projects so as to meet the installation requirements. The outlet box and the oil tank wall integrated oil tank structure can not be adjusted on site according to actual requirements, and needs to be returned to a factory for replacement, thereby causing waste of transportation cost, labor cost and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned technical problem and provide an oil tank for mutual-inductor, the equipment and the dismantlement of being convenient for, the change of the outlet box of being convenient for and cable inlet tube, but the centre-to-centre spacing of on-the-spot adjustment cable inlet tube to voltage transformer satisfies different installation requirements.

The utility model provides an above-mentioned technical problem's technical scheme as follows: this an oil tank for mutual-inductor, including outlet box and box, be equipped with oil charge pipe and oil drain pipe on the box lateral wall, can dismantle the connection on the lateral wall of box outlet box, install in the outlet box cable inlet wire pipe and be used for with the termination that electrical equipment in the box is connected.

Has the advantages that:

1. the detachable connection mode is convenient for replacing the outlet box and the cable inlet pipe, the center distance from the cable inlet pipe to the voltage transformer can be adjusted on site, and different installation requirements are met;

2. simple structure, low production cost and convenient manufacture.

Furthermore, termination includes binding post row and insulation board, binding post row sets up in the outlet box, binding post row with electrical equipment electricity in the box is connected, the outlet box is close to box one side is equipped with the opening, the opening part is equipped with and is used for the closing cap the open-ended insulation board, the insulation board with the opening all passes through flange joint on the box lateral wall.

The beneficial effect of adopting the further scheme is that: the wiring is convenient, and the insulation board provides insulation protection, and the flange is convenient for assemble and dismantle, and is fixed effectual.

Furthermore, waterproof baffles are arranged on the peripheral edges of the periphery of the opening.

The beneficial effect of adopting the further scheme is that: when raining, prevent that the rainwater from soaking in the equipment, cause the circuit short circuit, avoid appearing the incident.

Furthermore, a water leakage port is arranged at the bottom of the outlet box.

The beneficial effect of adopting the further scheme is that: and cooling the mist generated in the outlet box to form water drops which are discharged in time.

Furthermore, a sealing rubber strip is arranged between the insulating plate and the flange.

The beneficial effect of adopting the further scheme is that: the sealing effect is enhanced, and rainwater is ensured not to permeate into the equipment.

Furthermore, a plurality of wall reinforcing ribs are uniformly distributed on the side wall of the box body along the circumferential direction.

The beneficial effect of adopting the further scheme is that: the mechanical strength of the box body is enhanced, and the service life is long.

Further, the lower ends of the wall reinforcing ribs are provided with mounting feet.

The beneficial effect of adopting the further scheme is that: the whole device of bearing has stronger steadiness.

Furthermore, the upper part of the box body is provided with a lifting bar.

The beneficial effect of adopting the further scheme is that: the box body is convenient to transport through a tower crane tool.

Furthermore, an opening and closing door body is arranged on the outlet box, and a square water chute is arranged at the edge of the opening and closing door body.

The beneficial effect of adopting the further scheme is that: when the rainwater density is higher, the rainwater is drained in time.

Furthermore, the upper part of the side wall of the box body is provided with an observation window, and the lower part of the side wall of the box body is provided with a grounding plate.

The beneficial effect of adopting the further scheme is that: the internal condition of the equipment can be monitored in real time, and the equipment can be conveniently and timely overhauled; the grounding plate is convenient for grounding wires, and safety risks are reduced.

Drawings

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

FIG. 2 is a schematic structural diagram of an outlet box;

FIG. 3 is a cross-sectional view of the case;

FIG. 4 is a bottom view of the case;

in the drawings, the components represented by the respective reference numerals are listed below:

1. the cable comprises an outlet box, 2 wiring terminal rows, 3 sealing rubber strips, 4 observation windows, 5 box bodies, 6 lifting climbers, 7 oil filling pipes, 8 wall reinforcing ribs, 9 oil discharging pipes, 10 mounting feet, 11 ground plates, 12 insulating plates, 13 flanges, 14 cable inlet pipes, 15 mounting columns, 16 bottom reinforcing ribs, 17 mounting plates, 18 waterproof baffles; 19. opening and closing the door body; 20. a water chute.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 4, the present embodiment provides a tank for a mutual inductor, including: the outlet box 1 and the box body 5, the box body 5 and the outlet box 1 are both made of cast aluminum alloy, and the box is light in weight and convenient to lift and install. Box 5 is cylindrical, thickness is 2mm ~ 30mm, height 350mm ~ 750mm, the diameter is phi 300mm ~ phi 700mm, 5 tops of box are equipped with open-top, open-top is equipped with closing cap open-top's mounting panel 17, be equipped with the end strengthening rib 16 of X type on the bottom, be equipped with oil charge pipe 7 and oil drain pipe 9 on the 5 lateral walls of box, can dismantle connection outlet box 1 on the lateral wall of box 5, install cable inlet pipe 14 in the outlet box 1, set up the cable in the cable inlet pipe 14, the cable passes through termination and is connected with the electrical equipment electricity in the box 5, the fixed a plurality of erection columns 15 that are used for installing electrical equipment in the bottom in the box 5, specifically fix on erection column 15 through the bolt.

The application provides an oil tank for a mutual inductor, which has a detachable connection mode, is convenient for replacing an outlet box and a cable inlet pipe, can adjust the center distance from the cable inlet pipe to the voltage mutual inductor on site, and meets different installation requirements; simple structure, the oil tank surface need not to carry out anticorrosion treatment and can satisfy most installation environment's anticorrosion requirement.

Example 2

Further, the wiring device comprises a wiring terminal block 2 and an insulating plate 12, wherein the thickness of the insulating plate 12 is 5 mm-30 mm, and the size phi is 20 mm-300 mm; the wiring terminal row 2 is arranged in the wire outlet box 1, the wiring terminal row 2 is respectively electrically connected with a cable and electrical equipment in the box body 5, one side, close to the box body 5, of the wire outlet box 1 is provided with an opening, the opening is provided with an insulating plate 12 used for sealing the opening, the insulating plate 12 and the opening are connected through a flange 13 on the side wall of the box body 5, two mounting holes shared by the specific wiring terminal row 2 and the wire outlet box 1 are mounted on the flange 13, one end of the wiring terminal row 2 corresponds to one side of the insulating plate 12 to be connected with an identification terminal, the wiring terminal on the other side of the insulating plate 12 is connected with a secondary electrical port in the box body 5, the cast aluminum cable inlet pipe 14 is mounted on the cable inlet pipe mounting hole, the cable inlet pipe mounting hole is.

Preferably, in this embodiment, the outer edge all around of opening part is equipped with waterproof baffle 18, and when raining, prevent that the rainwater from soaking in the equipment, causing the circuit short circuit, avoid appearing the incident.

Preferably, in this embodiment, a water leakage port is disposed at the bottom of the outlet box 1, and mist generated in the outlet box 1 is cooled to form water droplets, which are discharged in time.

Preferably, in this embodiment, a sealing rubber strip 3 is arranged between the insulating plate 12 and the flange 13, so as to enhance the sealing effect and ensure that rainwater cannot penetrate into the equipment.

Preferably, in this embodiment, 4 wall reinforcing ribs 8 are uniformly distributed on the side wall of the box body 5 along the circumferential direction, the thickness is 2 mm-20 mm, the length is 100 mm-400 mm, and the section is fan-shaped; the upper end of the wall reinforcing rib 8 is provided with a lifting bar 6; the lifting bar 6 is provided with a climbing hole for maintenance; the lower end of the wall reinforcing rib 8 is provided with a mounting foot margin 10; the installation foot margin 10 is provided with an installation hole with the diameter phi of 4 mm-phi 40 mm; the bottom reinforcing rib 16 is arranged outside the bottom of the box body 5, the thickness is 2 mm-20 mm, the width is 30 mm-150 mm, and the length is 300 mm-700 mm; the wall reinforcing ribs 8, the lifting tabs 6, the mounting plates 17, the mounting feet 10, the bottom reinforcing ribs 16 and the wall of the box body are integrated with one another, so that the overall strength of the box body is improved; the flange 13 is arranged on the front side of the tank body close to the middle height position, the flange 13 is 5-100 mm higher than the wall of the oil tank, the plane of the flange 13 is provided with a mounting hole, the center position of the plane of the flange 13 is provided with a voltage transformer electrical equipment outlet hole inside the tank body 5, and the size of the voltage transformer electrical equipment outlet hole is phi 20-phi 300 mm.

Preferably, in this embodiment, the outlet box 1 is hinged with an opening and closing door 19, and the edge of the opening and closing door 19 is provided with a square water chute 20, so that when the density of rainwater is high, the rainwater drains off water in time.

Preferably, in the embodiment, the observation window 4 is arranged at the upper part of the side wall of the box body 5, and the grounding plate 11 is arranged at the lower part of the side wall of the box body 5, so that the internal condition of the equipment can be monitored in real time, and the equipment can be conveniently overhauled in time; the grounding plate is convenient for grounding wires, and safety risks are reduced.

Has the advantages that: the beneficial effects are that: no welding seam and beautiful appearance; the weight is light, and the strength is high; the outlet box 1 is convenient and quick to replace, and has strong field adaptability and good waterproof performance; the corrosion resistance is good, surface treatment process procedures such as sand blasting, zinc spraying, hot dip galvanizing, paint and the like are avoided, the production cost is saved, and harmful substances are prevented from influencing human and environment; the center distance from the cable inlet pipe 14 to the voltage transformer can be adjusted on site, and the installation is convenient; the whole material of the oil tank 5 is cast aluminum alloy and is a non-magnetic conductor, so that eddy current heating is avoided.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A tank for mutual inductors, comprising:

outlet box (1) and box (5), be equipped with oil charge pipe (7) and oil drain pipe (9) on box (5) lateral wall, can dismantle the connection on the lateral wall of box (5) outlet box (1), install cable inlet pipe (14) in outlet box (1) and be used for with the termination that the electrical equipment in box (5) is connected.

2. The oil tank for the mutual inductor according to claim 1, wherein the wiring device comprises a wiring terminal row (2) and an insulating plate (12), the wiring terminal row (2) is arranged in the outlet box (1), the wiring terminal row (2) is electrically connected with electrical equipment in the tank body (5), an opening is formed in one side, close to the tank body (5), of the outlet box (1), the insulating plate (12) for covering the opening is arranged at the opening, and the insulating plate (12) and the opening are connected through a flange (13) on the side wall of the tank body (5).

3. The tank for mutual inductors according to claim 2, characterised in that the peripheral outer edge of said opening is provided with a waterproof baffle (18).

4. The tank for mutual inductors according to claim 2, characterised in that the outlet box (1) is provided at its bottom with a drain opening.

5. Tank for mutual inductors according to claim 2, characterised in that a sealing strip (3) is provided between the insulating plate (12) and the flange (13).

6. The tank for mutual inductors according to claim 5, characterised in that the side wall of the tank (5) is evenly distributed with a plurality of wall stiffeners (8) along the circumferential direction.

7. The fuel tank for mutual inductors according to claim 6, wherein the lower ends of the plurality of wall reinforcing ribs (8) are each provided with a mounting foot (10).

8. A tank for mutual inductors according to any one of claims 1-7, characterised in that the upper part of the tank (5) is provided with a lifting tab (6).

9. The oil tank for the mutual inductor according to any one of claims 1-7, wherein an opening and closing door body (19) is arranged on the outlet box (1), and a square water chute (20) is arranged at the edge of the opening and closing door body (19).

10. A tank for mutual inductors according to any one of claims 1 to 7, characterised in that the upper part of the side wall of the tank (5) is provided with a viewing window (4) and the lower part of the side wall of the tank (5) is provided with a ground plate (11).