CN219800643U - Distribution transformer grounding structure - Google Patents
Distribution transformer grounding structure Download PDFInfo
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- CN219800643U CN219800643U CN202321056937.1U CN202321056937U CN219800643U CN 219800643 U CN219800643 U CN 219800643U CN 202321056937 U CN202321056937 U CN 202321056937U CN 219800643 U CN219800643 U CN 219800643U
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- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000004020 conductor Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a distribution transformer grounding structure, and particularly relates to the technical field of distribution transformers. According to the utility model, the conductive plugboard is inserted into the plug bush, so that the conductive plugboard is electrically connected with the ground plate, the protective frame is pressed and is contacted with the ground, the bottom ends of the two mounting plug bars extend into the ground, so that the protective frame is fixed with the ground, the grounding column extends into the ground, the ground plate is contacted with the ground, the grounding resistance value is reduced through the ground plate and the grounding column, and the use effect is good.
Description
Technical Field
The utility model relates to the technical field of distribution transformers, in particular to a grounding structure of a distribution transformer.
Background
Distribution transformers refer to a stationary electrical appliance in a distribution system that converts ac voltage and current according to the law of electromagnetic induction to transmit ac power.
The utility model of the authorized bulletin number CN207009684U discloses a grounding structure of a superconducting transformer, a grounding pole is arranged on an extension line of a grounding plate, the grounding area of the grounding plate is effectively increased, and as the grounding resistance R is equal to the soil resistivity multiplied by the length of a conductor/the grounding area, when the grounding area is increased, the grounding resistance R correspondingly decreases under the condition that the soil resistivity and the length of the conductor are unchanged, thereby prolonging the grounding life of a power distribution network, reducing the overhaul of an overhaul staff, adopting the design of a plurality of grounding poles, preventing the current from being concentrated on one wire, prolonging the service life of the device, and having the advantages of simple integral structure, low manufacturing cost and long service life;
when the structure is used, the grounding column extends into the ground, but the contact area between the grounding column and the ground is smaller, the grounding resistance value is larger, and the use effect is poorer.
Disclosure of Invention
The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and aims at overcoming the defects of the prior art, providing a grounding structure of a distribution transformer and solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the distribution transformer grounding structure comprises a conductive plate, wherein a conductive plugboard is fixedly arranged on the front side of the conductive plate, a wire is fixedly arranged at the top end of the conductive plate, a high-voltage side arrester and a low-voltage side arrester are fixedly arranged on the wire, a protective frame is arranged on the front side of the conductive plugboard, mounting plugrods are fixedly connected to two sides of the protective frame, a grounding plate is arranged in the protective frame, and a grounding column is fixedly arranged at the bottom end of the grounding plate;
the rear side of the grounding plate is fixedly provided with a plug bush, the plug bush is fixedly connected with the protection frame, and one end of the conductive plug board penetrates through the plug bush and is contacted with the grounding plate.
Further, two L-shaped plates are fixedly connected to the front side of the conductive plate, fixing bolts are arranged on the two L-shaped plates, and the two L-shaped plates and the protective frame are fixed through the two fixing bolts respectively.
Further, two gag levers are fixedly connected with the rear side of the protective frame, and the two gag levers respectively penetrate through the two L-shaped plates.
Further, a sealing gasket is movably arranged at the rear side of the plug bush, and the sealing gasket is contacted with the conductive plate.
Further, the equal fixedly connected with curb plate in current-conducting plate both sides, the current-conducting plate top is equipped with the link, equal fixedly connected with adjustable telescopic link between link and the two curb plates, just high-pressure side arrester and low-pressure side arrester all with link fixed connection.
Furthermore, two switches are arranged on the lead, and the two switches are fixedly connected with the connecting frame.
The utility model has the technical effects and advantages that:
1. according to the utility model, the conductive plugboard is inserted into the plug bush, so that the conductive plugboard is electrically connected with the ground plate, the protective frame is pressed and is contacted with the ground, the bottom ends of the two mounting plug bars extend into the ground, so that the protective frame is fixed with the ground, the grounding column extends into the ground, the ground plate is contacted with the ground, the grounding resistance value is reduced through the ground plate and the grounding column, and the use effect is good;
2. according to the utility model, the two adjustable telescopic rods are stretched, so that the connecting frame is driven to move upwards, the high-voltage side lightning arrester and the low-voltage side lightning arrester are driven to move upwards, the heights of the high-voltage side lightning arrester and the low-voltage side lightning arrester are adjusted, the high-voltage side lightning arrester and the low-voltage side lightning arrester are conveniently mounted on the distribution transformer, and the high-voltage side lightning arrester is simple in structure and convenient to use.
Drawings
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of the overall structure of the present utility model;
FIG. 3 is a perspective view of an assembly of a conductive plate and a conductive insert plate according to the present utility model;
FIG. 4 is a perspective view of the assembly of the protective frame and the ground plate of the present utility model;
in the figure: 1. a conductive plate; 2. a protective frame; 3. installing a plug rod; 4. a side plate; 5. a wire; 6. a high-voltage side arrester; 7. a low-voltage side arrester; 8. a connecting frame; 9. an adjustable telescopic rod; 10. a switch; 11. a conductive insert; 12. an L-shaped plate; 13. a fixing bolt; 14. a ground plate; 15. a plug bush; 16. a sealing gasket; 17. a limit rod; 18. and a grounding column.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4 of the specification, the grounding structure of the distribution transformer of this embodiment comprises a conductive plate 1, a conductive plugboard 11 is fixedly mounted on the front side of the conductive plate 1, a wire 5 is fixedly mounted on the top end of the conductive plate 1, a high-voltage side lightning arrester 6 and a low-voltage side lightning arrester 7 are fixedly mounted on the wire 5, a protective frame 2 is arranged on the front side of the conductive plugboard 11, installation plugrods 3 are fixedly connected to two sides of the protective frame 2, a grounding plate 14 is arranged in the protective frame 2, a grounding post 18 is fixedly mounted at the bottom end of the grounding plate 14, a plug bush 15 is fixedly mounted on the rear side of the grounding plate 14, the plug bush 15 is fixedly connected with the protective frame 2, and one end of the conductive plugboard 11 penetrates through the plug bush 15 and contacts with the grounding plate 14.
Further, two L-shaped plates 12 are fixedly connected to the front side of the conductive plate 1, fixing bolts 13 are arranged on the two L-shaped plates 12, the two L-shaped plates 12 and the protective frame 2 are respectively fixed through the two fixing bolts 13, two limiting rods 17 are fixedly connected to the rear side of the protective frame 2, the two limiting rods 17 penetrate through the two L-shaped plates 12 respectively, a sealing gasket 16 is movably arranged on the rear side of the plug bush 15, and the sealing gasket 16 is in contact with the conductive plate 1.
Wherein, when the electrically conductive picture peg 11 inserts plug bush 15 inside, two L shaped plates 12 all contact with protection frame 2, make two L shaped plates 12 fixed mutually with protection frame 2 through two fixing bolt 13, thereby make electrically conductive board 1 fixed mutually with protection frame 2, two gag lever posts 17 extend into two L shaped plates 12 inside respectively simultaneously, thereby prevent that two L shaped plates 12 from deflecting, sealing gasket 16 improves the leakproofness between electrically conductive picture peg 11 and the plug bush 15 simultaneously, dismantle protection frame 2 in the same way.
Further, the equal fixedly connected with curb plate 4 in current-conducting plate 1 both sides, current-conducting plate 1 top is equipped with link 8, equal fixedly connected with adjustable telescopic link 9 between link 8 and the two curb plates 4, and high-voltage side arrester 6 and low-voltage side arrester 7 all with link 8 fixed connection, through tensile two adjustable telescopic link 9, thereby drive link 8 and upwards move, and then drive high-voltage side arrester 6 and low-voltage side arrester 7 upwards move, adjust high-voltage side arrester 6 and low-voltage side arrester 7's height, conveniently install high-voltage side arrester 6 and low-voltage side arrester 7 on distribution transformer, and a structure is simple, convenient to use.
Further, install two switches 10 on the wire 5, and two switches 10 all with link 8 fixed connection, through setting up high-pressure side arrester 6 and low-pressure side arrester 7, can promote the lightning protection effect of high-pressure coil, through setting up two switches 10, close the switch 10 of high-pressure side arrester 6 bottom according to the demand, can make high-pressure side arrester 6 unable work, the switch 10 of switch 10 bottom is closed to the same reason, can make low-pressure side arrester 7 unable work, application scope is wide.
The application method of the embodiment is as follows:
when using, install high-pressure side arrester 6 and low-pressure side arrester 7 respectively on distribution transformer, then insert inside plug bush 15 with electrically conductive picture peg 11, thereby make electrically conductive picture peg 11 and ground plate 14 electric connection, through setting up protection frame 2, protection frame 2 is protected to ground plate 14, press protection frame 2 and make protection frame 2 contact with the ground, and two installation inserted bars 3 bottom all extend into inside the ground, thereby make protection frame 2 fixed mutually with the ground, the ground post 18 extends into inside the ground simultaneously, ground plate 14 contacts with the ground, ground resistance has been reduced through ground plate 14 and ground post 18, excellent in use effect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. Distribution transformer ground structure, including conducting plate (1), conducting plate (1) front side fixed mounting has electrically conductive picture peg (11), its characterized in that: the high-voltage side lightning arrester comprises a conducting plate (1), wherein a conducting wire (5) is fixedly arranged at the top end of the conducting plate (1), a high-voltage side lightning arrester (6) and a low-voltage side lightning arrester (7) are fixedly arranged on the conducting wire (5), a protective frame (2) is arranged at the front side of a conducting plugboard (11), mounting inserting rods (3) are fixedly connected to two sides of the protective frame (2), a grounding plate (14) is arranged in the protective frame (2), and a grounding column (18) is fixedly arranged at the bottom end of the grounding plate (14);
the rear side of the grounding plate (14) is fixedly provided with a plug bush (15), the plug bush (15) is fixedly connected with the protective frame (2), and one end of the conductive plug board (11) penetrates through the plug bush (15) and is contacted with the grounding plate (14).
2. The distribution transformer grounding structure of claim 1, wherein: two L-shaped plates (12) are fixedly connected to the front side of the conductive plate (1), fixing bolts (13) are arranged on the two L-shaped plates (12), and the two L-shaped plates (12) and the protective frame (2) are fixed through the two fixing bolts (13) respectively.
3. The distribution transformer grounding structure of claim 1, wherein: two limiting rods (17) are fixedly connected to the rear side of the protective frame (2), and the two limiting rods (17) penetrate through the two L-shaped plates (12) respectively.
4. The distribution transformer grounding structure of claim 1, wherein: a sealing gasket (16) is movably arranged at the rear side of the plug bush (15), and the sealing gasket (16) is contacted with the conductive plate (1).
5. The distribution transformer grounding structure of claim 1, wherein: the utility model discloses a high-voltage side lightning arrester, including connecting frame (8), adjustable telescopic link (9), high-voltage side arrester (6) and low-voltage side arrester (7), connecting frame (8) are equipped with to the equal fixedly connected with curb plate (4) in current-conducting plate (1) both sides, connecting frame (8) top, all fixedly connected with adjustable telescopic link (9) between connecting frame (8) and two curb plates (4), just high-voltage side arrester (6) and low-voltage side arrester (7) all with connecting frame (8) fixed connection.
6. The distribution transformer grounding structure of claim 1, wherein: two switches (10) are arranged on the lead (5), and the two switches (10) are fixedly connected with the connecting frame (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056937.1U CN219800643U (en) | 2023-05-04 | 2023-05-04 | Distribution transformer grounding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321056937.1U CN219800643U (en) | 2023-05-04 | 2023-05-04 | Distribution transformer grounding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800643U true CN219800643U (en) | 2023-10-03 |
Family
ID=88183651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321056937.1U Active CN219800643U (en) | 2023-05-04 | 2023-05-04 | Distribution transformer grounding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800643U (en) |
-
2023
- 2023-05-04 CN CN202321056937.1U patent/CN219800643U/en active Active
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