CN220627523U - Rain cover for transformer oil level gauge - Google Patents
Rain cover for transformer oil level gauge Download PDFInfo
- Publication number
- CN220627523U CN220627523U CN202321392920.3U CN202321392920U CN220627523U CN 220627523 U CN220627523 U CN 220627523U CN 202321392920 U CN202321392920 U CN 202321392920U CN 220627523 U CN220627523 U CN 220627523U
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- China
- Prior art keywords
- oil level
- level gauge
- cover
- tangent plane
- dial plate
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- 230000000694 effects Effects 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a rain cover for a transformer oil level gauge, and belongs to the technical field of transformers. The technical proposal is as follows: the oil level gauge dial plate (1) is fixed on a wall body through a fixing flange (3) and a fixing bolt (4), the secondary junction box (2) is positioned right below the oil level gauge dial plate (1), the dial plate cover (6) is a tangent plane cylinder body, a notch (10) is axially formed in the tangent plane cylinder body, the tangent plane cylinder body is wrapped on the oil level gauge dial plate (1), and the axial notches (10) of the tangent plane cylinder body are connected together through a fastening bolt (7); the wire box cover (8) is an integrated structure formed by a baffle, a top plate and two side plates, the size of the baffle is matched with that of the secondary junction box (2), and the wire box cover (8) is buckled on the secondary junction box (2). The beneficial effects of the utility model are as follows: the waterproof and sun-proof effects on the transformer oil level gauge can be effectively achieved, the service life of the transformer oil level gauge is greatly prolonged, and the failure rate is reduced.
Description
Technical Field
The utility model relates to a rain cover for a transformer oil level gauge, and belongs to the technical field of transformers.
Background
The oil level gauge is an important metering component for reflecting the oil quantity in the oil storage tank of the transformer, and has great significance for safe and reliable operation of the transformer. For outdoor transformers in transformer substations, the oil level gauge needs to be exposed outdoors for a long time, as the sealing ring of the oil level gauge and the outlet of the cable wiring are made of rubber materials, under the influence of severe weather such as direct sunlight, freezing, hail and the like, poor sealing is easy to occur, and the secondary cable junction box of the oil level gauge has the defect of poor sealing, when being struck by overcast and rainy weather, rainwater can infiltrate into the oil level gauge dial plate with a certain thickness on the side surface and the secondary junction box thereof, poor insulation of an electric loop is caused, and the situation of false alarm occurs due to abnormal oil level, so that faults such as tripping of a main transformer or grounding of an initiating device are caused. In addition, the screw of dial plate can be rusted and can not be disassembled by rainwater, and the inner member of the oil level gauge can be damaged by long-term rust action, and when the defect of the transformer is treated, the oil level gauge needs to be replaced integrally, so that a large amount of manpower, material resources and financial resources are consumed. Aiming at the phenomenon, the rain-proof and sun-proof treatment is needed to be carried out by additionally arranging the rain-proof cover which is simple in design, low in cost and convenient to install on the oil level indicator of the outdoor transformer.
At present, a common rain-proof cover design of the oil level gauge of the transformer is that a metal cover with a fixing foot is simply arranged above the oil level gauge, and when the rain-proof cover is additionally arranged, part of bolts of a fixing flange of the oil level gauge are required to be detached to fix the metal cover. Such rain shields have the potential to loosen or damage the seal during installation, resulting in oil level gauge leakage. In addition, the secondary junction box of the oil level gauge is located under the dial plate, the common rain-proof cover cannot well prevent rainwater from entering the secondary junction box of the oil level gauge, and aiming at the structural particularity of the oil level gauge, the oil level gauge rain-proof cover which does not need to loosen an oil level gauge fixing flange and has good rain-proof effect is developed.
Disclosure of Invention
The utility model aims to provide a rain-proof cover for a transformer oil level gauge, which can effectively play a role in preventing rain and sun for the transformer oil level gauge, greatly prolong the service life of the transformer oil level gauge, reduce the failure rate and solve the problems in the background technology.
The technical scheme of the utility model is as follows:
the utility model provides a rain-proof cover of transformer oil level gauge, contains oil level gauge dial plate, secondary terminal box, flange and fixing bolt, and the oil level gauge dial plate passes through flange and fixing bolt to be fixed on the wall body, and the secondary terminal box is located the oil level gauge dial plate under, still contains dial plate cover, fastening bolt and line box cover in the constitution, the dial plate cover is the tangent plane cylinder, and the diameter of tangent plane cylinder matches with the diameter of oil level gauge dial plate, and the tangent plane of tangent plane cylinder is oval, and the axial of tangent plane cylinder is equipped with a breach, and the tangent plane cylinder parcel is on the oil level gauge dial plate, and the axial breach of tangent plane cylinder links together through fastening bolt; the wire box cover is an integrated structure formed by a baffle, a top plate and two side plates, the size of the baffle is matched with that of the secondary junction box, and the wire box cover is buckled on the secondary junction box.
The baffle in the wire box cover is a rectangular plate matched with the secondary junction box.
The top plate of the wire box cover is extruded between the secondary junction box and the fixing flange.
The top plate of the wire box cover is fixed on the fixed flange through the connecting plate and the fixed bolt.
The tangent plane cylinder is the cylinder structure that the upper end is the inclined plane lower extreme for the horizontal plane, and the tangent plane cylinder is equipped with the height that highly is less than the other end of opening one end.
The beneficial effects of the utility model are as follows: the waterproof and sun-proof transformer oil level gauge has the advantages that the waterproof and sun-proof effect on the transformer oil level gauge can be effectively achieved, the service life of the transformer oil level gauge is greatly prolonged, the failure rate is reduced, and the safe, reliable and stable operation of power production is guaranteed.
Drawings
FIG. 1 is a perspective view of a dial cover of the present utility model;
FIG. 2 is a perspective view of the wire box cover of the present utility model;
FIG. 3 is a front view of an installation effect according to an embodiment of the present utility model;
FIG. 4 is a front view showing the installation effect of the second embodiment of the present utility model;
in the figure: the oil level gauge dial 1, the secondary junction box 2, the fixed flange 3, the fixed bolt 4, the dial cover 6, the fastening bolt 7, the wire box cover 8, the connecting plate 9 and the notch 10.
Detailed Description
The utility model is further illustrated by way of example with reference to the accompanying drawings.
Referring to the accompanying drawings 1-4, a rain cover for a transformer oil level gauge comprises an oil level gauge dial 1, a secondary junction box 2, a fixing flange 3 and a fixing bolt 4, wherein the oil level gauge dial 1 is fixed on a wall body through the fixing flange 3 and the fixing bolt 4, the secondary junction box 2 is positioned right below the oil level gauge dial 1, the rain cover also comprises a dial cover 6, a fastening bolt 7 and a wire box cover 8, the dial cover 6 is a tangent plane cylinder body, the diameter of the tangent plane cylinder body is matched with that of the oil level gauge dial 1, the tangent plane of the tangent plane cylinder body is elliptical, an opening 10 is formed in the axial direction of the tangent plane cylinder body, the tangent plane cylinder body is wrapped on the oil level gauge dial 1, and the axial openings 10 of the tangent plane cylinder body are connected together through the fastening bolt 7; the wire box cover 8 is an integrated structure formed by a baffle, a top plate and two side plates, the size of the baffle is matched with that of the secondary junction box 2, and the wire box cover 8 is buckled on the secondary junction box 2.
The tangent plane cylinder is the cylinder structure that the upper end is the inclined plane lower extreme for the horizontal plane, and the tangent plane cylinder is equipped with the height that highly is less than the other end of opening one end.
Example 1
Referring to fig. 1, 2 and 3, the baffle in the box cover 8 is a rectangular metal plate matched with the secondary junction box 2. The width of the top plate and the two side plates in the box cover 8 matches the width and thickness of the secondary junction box 2.
When in actual installation on site, firstly, the nuts of the fixing bolts 4 are loosened, the tangent plane cylinder body is wrapped on the oil level gauge dial 1, and the axial notches 10 of the tangent plane cylinder body are connected together through the fastening bolts 7, so that the tangent plane cylinder body is tightly wrapped on the oil level gauge dial 1; then the top plate of the wire box cover 8 is pressed between the secondary junction box 2 and the fixed flange 3, and the nuts of the fixed bolts 4 are fastened again.
Example 2
Referring to fig. 1, 2 and 4, when actually installed on site, firstly, the nut of the fixing bolt 4 is loosened, the tangent plane cylinder is wrapped on the oil level gauge dial 1, and the axial openings 10 of the tangent plane cylinder are connected together through the fastening bolts 7, so that the tangent plane cylinder is tightly wrapped on the oil level gauge dial 1; then the top plate of the wire box cover 8 is fixed on the fixed flange 3 through the connecting plate 9, and the nuts of the fixed bolts 4 are fastened again. Wherein the connecting plate 9 is long strip-shaped, one end of the connecting plate 9 is welded with the top plate of the wire box cover 8, and the other end of the connecting plate 9 is fixed on the fixed flange 3 through the fixed bolt 4.
The rain cover of the oil level gauge is verified by field production practice, and the assembly and disassembly method is simple and convenient, low in cost, flexible in operation and good in rain-proof effect, so that the service life of the oil level gauge of the transformer is greatly prolonged, the failure rate is reduced, and the safe, reliable and stable operation of power production is ensured.
Claims (4)
1. The utility model provides a rain-proof cover of transformer oil level gauge, contains oil level gauge dial plate (1), secondary terminal box (2), flange (3) and fixing bolt (4), and oil level gauge dial plate (1) are fixed on the wall body through flange (3) and fixing bolt (4), and secondary terminal box (2) are located under oil level gauge dial plate (1), its characterized in that: the oil level gauge comprises a dial plate cover (6), a fastening bolt (7) and a wire box cover (8), wherein the dial plate cover (6) is a tangent plane cylinder, the diameter of the tangent plane cylinder is matched with that of the oil level gauge dial plate (1), the tangent plane of the tangent plane cylinder is elliptical, a notch (10) is axially formed in the tangent plane cylinder, the tangent plane cylinder is wrapped on the oil level gauge dial plate (1), and the axial notches (10) of the tangent plane cylinder are connected together through the fastening bolt (7); the wire box cover (8) is an integrated structure formed by a baffle, a top plate and two side plates, the size of the baffle is matched with that of the secondary junction box (2), and the wire box cover (8) is buckled on the secondary junction box (2).
2. A rain cover for a transformer oil level gauge as defined in claim 1, wherein: the baffle in the wire box cover (8) is a rectangular plate matched with the secondary junction box (2).
3. A rain cover for a transformer oil level gauge as claimed in claim 2, wherein: the top plate of the wire box cover (8) is extruded between the secondary junction box (2) and the fixing flange (3).
4. A rain cover for a transformer oil level gauge as claimed in claim 2, wherein: the top plate of the wire box cover (8) is fixed on the fixed flange (3) through the connecting plate (9) and the fixing bolts (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392920.3U CN220627523U (en) | 2023-06-02 | 2023-06-02 | Rain cover for transformer oil level gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392920.3U CN220627523U (en) | 2023-06-02 | 2023-06-02 | Rain cover for transformer oil level gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220627523U true CN220627523U (en) | 2024-03-19 |
Family
ID=90216439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321392920.3U Active CN220627523U (en) | 2023-06-02 | 2023-06-02 | Rain cover for transformer oil level gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220627523U (en) |
-
2023
- 2023-06-02 CN CN202321392920.3U patent/CN220627523U/en active Active
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