Oil sampling device for elevated transformer

Abstract

The utility model belongs to the technical field of oil product sampling, and particularly relates to an elevated transformer oil product sampling device which comprises an oil taking assembly, the oil taking assembly comprises a box-type transformer and four elevated foundations evenly and fixedly connected to the bottom face of the box-type transformer, a high-voltage bushing is installed in the box-type transformer, and the high-voltage bushing is connected with the box-type transformer. The surface of the box-type transformer is in threaded connection with a second flange plate, the box-type transformer is in threaded connection with a sampling extension pipe through the second flange plate, and the sampling extension pipe is communicated with the interior of the box-type transformer; the oil sampling device has the advantages that the sampling extension tube and the oil sampling head can be matched, oil can be sampled conveniently, meanwhile, the heat preservation assembly is added, the aluminum foil radiation layer and the heat preservation cotton can be matched, heat preservation can be conducted on the sampling extension tube, and oil solidification caused by cold weather is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil sampling, and in particular relates to an overhead transformer oil sampling device. Background Art

[0002] Box-type transformers need to conduct oil testing regularly in accordance with regulations to check the operating conditions of the box-type transformers. However, the sampling ports of some box-type transformers are located inside the high-voltage or low-voltage room of the box-type transformers, and sampling work needs to be carried out after power outage. At the same time, some box-type transformers are on elevated foundations, and personnel need to climb to take samples, which is labor-intensive.

[0003] Some sampling ports of the existing elevated foundation box-type transformer are located in the high-voltage room, close to live equipment. When sampling, power must be cut off, which affects the equipment availability and reduces the working efficiency.

[0004] In order to solve the above problems, this application proposes an overhead transformer oil sampling device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an elevated transformer oil sampling device, which is convenient for daily sampling and greatly improves work efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevated transformer oil sampling device, comprising an oil sampling assembly;

[0007] The oil extraction assembly includes a box-type transformer and four elevated foundations evenly fixedly connected to the bottom surface of the box-type transformer. A high-voltage bushing is installed inside the box-type transformer. A second flange is threadedly connected to the surface of the box-type transformer. A sampling extension tube is threadedly connected to the box-type transformer through the second flange. The sampling extension tube and the interior of the box-type transformer are interconnected. One end of the sampling extension tube away from the second flange is fixedly connected to the first flange. The sampling extension tube is threadedly connected to the oil sampling head through the first flange.

[0008] As a preferred embodiment of the overhead transformer oil sampling device of the utility model, an oil collecting tank is arranged below the oil sampling head.

[0009] As a preferred embodiment of the utility model, the overhead transformer oil sampling device further includes a heat preservation component arranged on the surface of the oil sampling head;

[0010] The insulation component includes insulation cotton arranged on the surface of the sampling extension tube, the side of the insulation cotton away from the sampling extension tube is fixedly connected to an aluminum foil reflective layer, and the side of the aluminum foil reflective layer away from the insulation cotton is fixedly connected to a plastic plate.

[0011] As a preferred embodiment of the overhead transformer oil sampling device of the utility model, a rubber pad is fixedly connected to a side of the thermal insulation cotton facing the sampling extension tube.

[0012] As a preferred embodiment of the overhead transformer oil sampling device of the utility model, a plurality of female buckles are evenly and symmetrically fixedly connected to the surface of the plastic plate, a plurality of connecting plates are arranged on the surface of the plastic plate, and two sub-buckles are symmetrically and fixedly connected to the surface of each connecting plate, and each sub-buckle is inserted inside the female buckle.

[0013] Compared with the prior art, the beneficial effects of the utility model are: an oil sampling component is added to the present application, and the sampling extension tube and the oil sampling head can be used in combination to facilitate the sampling of oil products. At the same time, a heat preservation component is added, and the aluminum foil radiation layer and the heat preservation cotton can be used in combination to insulate the sampling extension tube to prevent the oil products from solidifying due to the cold weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the first flange and the oil sampling head in the utility model;

[0017] Figure 3 This is a structural schematic diagram of a vertical cross-section of a plastic plate in the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the mother buckle and the child buckle in the utility model;

[0019] In the figure:

[0020] 1. Oil sampling assembly; 11. Elevated foundation; 12. High-voltage bushing; 13. First flange; 14. Second flange; 15. Oil sampling head; 16. Oil collecting tank; 17. Sampling extension tube; 18. Box-type transformer;

[0021] 2. Insulation assembly; 21. Plastic plate; 22. Aluminum foil reflective layer; 23. Insulation cotton; 24. Rubber pad; 25. Female buckle; 26. Connecting plate; 27. Male buckle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] like Figures 1 to 4 As shown;

[0025] Combining the above:

[0026] In order to reduce labor intensity, the overhead transformer oil sampling device includes an oil sampling component 1;

[0027] The oil extraction assembly 1 includes a box-type transformer 18 and four elevated foundations 11 evenly fixedly connected to the bottom surface of the box-type transformer 18. A high-voltage bushing 12 is installed inside the box-type transformer 18. A second flange 14 is threadedly connected to the surface of the box-type transformer 18. The box-type transformer 18 is threadedly connected to a sampling extension tube 17 through the second flange 14. The sampling extension tube 17 and the interior of the box-type transformer 18 are interconnected. One end of the sampling extension tube 17 away from the second flange 14 is fixedly connected to a first flange 13. The sampling extension tube 17 is threadedly connected to an oil sampling head 15 through the first flange 13, and an oil collecting tank 16 is arranged below the oil sampling head 15.

[0028] In this embodiment, when it is necessary to conduct oil testing work regularly, the valve on the surface of the oil sampling head 15 is turned, and the oil will flow from the inside of the box-type transformer 18 into the inside of the oil sampling head 15 through the sampling extension tube 17, and then flow into the inside of the oil collecting tank 16 through the oil sampling head 15, thereby realizing the sampling of oil and reducing labor intensity.

[0029] It should be noted that the oil sampling device can also be used for sampling oil in overhead fans.

[0030] Going further:

[0031] In an optional embodiment, it further includes a heat preservation component 2 disposed on the surface of the oil sampling head 15;

[0032] The insulation component 2 includes insulation cotton 23 arranged on the surface of the sampling extension tube 17. The side of the insulation cotton 23 away from the sampling extension tube 17 is fixedly connected to an aluminum foil reflective layer 22, and the side of the aluminum foil reflective layer 22 away from the insulation cotton 23 is fixedly connected to a plastic plate 21.

[0033] In this embodiment: In order to prevent the sampling extension tube 17 from being damaged due to the external environment, a plastic plate 21 is wrapped around the surface of the sampling extension tube 17, and the sampling extension tube 17 is insulated by the thermal insulation cotton 23 and the aluminum foil reflective layer 22, and the sampling extension tube 17 is protected by the plastic plate 21.

[0034] It should be noted that the plastic plate 21 has a certain toughness, which is convenient for wrapping the sampling extension tube 17 .

[0035] Going further:

[0036] In an optional embodiment, a rubber pad 24 is fixedly connected to a side of the heat-insulating cotton 23 facing the sampling extension tube 17 .

[0037] In this embodiment, when the heat-insulating cotton 23 is wrapped around the sampling extension tube 17 , the rubber pad 24 will adhere to the surface of the sampling extension tube 17 to prevent the plastic plate 21 from slipping off.

[0038] Going further:

[0039] In an optional embodiment, a plurality of female buckles 25 are evenly and symmetrically fixedly connected to the surface of the plastic plate 21, a plurality of connecting plates 26 are arranged on the surface of the plastic plate 21, and two sub-buckles 27 are symmetrically and fixedly connected to the surface of each connecting plate 26, and each sub-buckle 27 is inserted into the interior of the female buckle 25.

[0040] In this embodiment: when the plastic plate 21 wraps the sampling extension tube 17, the sub-buckle 27 is inserted into the interior of the female buckle 25, and the plastic plate 21 is limited by the connecting plate 26 to prevent the plastic plate 21 from unfolding.

[0041] The working principle and use process of the utility model: when it is necessary to carry out oil testing work regularly, turn the valve on the surface of the oil sampling head 15, and the oil will flow from the inside of the box-type transformer 18 through the sampling extension tube 17 into the inside of the oil sampling head 15, and then flow into the inside of the oil collecting tank 16 through the oil sampling head 15, so as to realize the sampling of oil and reduce the labor intensity. In order to prevent the sampling extension tube 17 from being damaged due to the external environment, the plastic plate 21 is wrapped on the surface of the sampling extension tube 17. The sampling extension tube 17 is insulated by the thermal insulation cotton 23 and the aluminum foil reflective layer 22, and the sampling extension tube 17 is protected by the plastic plate 21. When the thermal insulation cotton 23 is wrapped around the sampling extension tube 17, the rubber pad 24 will fit on the surface of the sampling extension tube 17 to prevent the plastic plate 21 from slipping. When the plastic plate 21 wraps the sampling extension tube 17, the sub-buckle 27 is inserted into the inside of the female buckle 25, and the plastic plate 21 is limited by the connecting plate 26 to prevent the plastic plate 21 from unfolding.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An elevated transformer oil sampling device, characterized in that: It comprises an oil extraction assembly (1); The oil sampling assembly (1) comprises a box-type transformer (18) and four elevated foundations (11) uniformly and fixedly connected to the bottom surface of the box-type transformer (18); a high-voltage bushing (12) is installed inside the box-type transformer (18); a second flange (14) is threadedly connected to the surface of the box-type transformer (18); a sampling extension tube (17) is threadedly connected to the box-type transformer (18) through the second flange (14); the sampling extension tube (17) and the interior of the box-type transformer (18) are interconnected; one end of the sampling extension tube (17) away from the second flange (14) is fixedly connected to the first flange (13); and the sampling extension tube (17) is threadedly connected to an oil sampling head (15) through the first flange (13).

2. The overhead transformer oil sampling device according to claim 1 is characterized in that: An oil collecting tank (16) is arranged below the oil sampling head (15).

3. The overhead transformer oil sampling device according to claim 1 is characterized in that: It also includes a heat preservation component (2) arranged on the surface of the oil sampling head (15); The heat-insulating component (2) comprises heat-insulating cotton (23) arranged on the surface of the sampling extension tube (17); a side of the heat-insulating cotton (23) away from the sampling extension tube (17) is fixedly connected to an aluminum foil reflective layer (22); and a side of the aluminum foil reflective layer (22) away from the heat-insulating cotton (23) is fixedly connected to a plastic plate (21).

4. The overhead transformer oil sampling device according to claim 3 is characterized in that: A rubber pad (24) is fixedly connected to a side of the heat-insulating cotton (23) facing the sampling extension tube (17).

5. The overhead transformer oil sampling device according to claim 4 is characterized in that: A plurality of female buckles (25) are evenly and symmetrically fixedly connected to the surface of the plastic plate (21); a plurality of connecting plates (26) are arranged on the surface of the plastic plate (21); two sub buckles (27) are symmetrically and fixedly connected to the surface of each connecting plate (26); and each sub buckle (27) is inserted into the interior of the female buckle (25).

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