CN202905967U - Grounding grid device connecting with vertical grounding electrode - Google Patents
Grounding grid device connecting with vertical grounding electrode Download PDFInfo
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- CN202905967U CN202905967U CN 201220596605 CN201220596605U CN202905967U CN 202905967 U CN202905967 U CN 202905967U CN 201220596605 CN201220596605 CN 201220596605 CN 201220596605 U CN201220596605 U CN 201220596605U CN 202905967 U CN202905967 U CN 202905967U
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Abstract
The utility model discloses a grounding grid device connecting with a vertical grounding electrode, which comprises a resistance reducing module (1) and a vertical grounding electrode (10), wherein the resistance reducing module (1) is connected with the vertical grounding electrode (10). The resistance reducing module (1) comprises a resistance reducing module first side (3), a resistance reducing module second side (4), a first connection module (2), a second connection module (2A) and a metal pipe fitting (9), wherein the first connection module (2) and the second connection module (2A) are arranged on the resistance reducing module (1), the first connection module (2) comprises a first connection module first side (5) and a first connection module second side (6), the second connection module (2A) comprises a second connection module first side (7) and a second connection module second side (8); and the metal pipe fitting (9) is arranged on the resistance reducing module (1), and connected with the first connection module (2) and the second connection module (2A). The grounding grid device disclosed by the utility model can effectively reduce grounding resistance, step voltage and contact voltage, and can increase the discharge rate.
Description
Technical field
The utility model relates to a kind of earthing device, is specifically related to a kind of ground network device that is connected with vertical grounding electrode.
Background technology
Grounding net of transformer substation is most important for the reliability service of electric power system, staff's personal safety plays an important role simultaneously, its earth resistance, step voltage and touch voltage are the important technology indexs of System in Substation, are to weigh validity, the fail safe of grounding system and decide whether satisfactory important parameter of grounding system.
Because the diversity of transformer station's construction site, such as high soil resistivity, can cause the design calculated value of earth resistance, step voltage and touch voltage of these transformer stations higher, can't satisfy the requirement of current standard, contain for another example saline and alkaline in a large number in the soil of coastal area, to the long-term corrosion of earth electrode, the service life of ground network and the safety guarantee between the operating period have been reduced.In recent years, along with the increase of power system short circuit capacity, the while, the accident that imperfect earth causes was more and more owing to thunderstorm weather rolls up.
The utility model content
The technical problem that (one) will solve
The technical problems to be solved in the utility model provides a kind of ground network device that is connected with vertical grounding electrode, has solved the problem of the accident that causes because of imperfect earth in the prior art.
(2) technical scheme
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of ground network device that is connected with vertical grounding electrode comprises and falls resistance module (1) and vertical grounding electrode (10) that the described resistance module (1) of falling connects described vertical grounding electrode (10), and the described resistance module (1) of falling comprising:
Fall resistance module first side (3) and fall resistance module Second Edge (4);
Be arranged on described the first link block (2) and the second link block (2A) of falling on the resistance module (1), described the first link block (2) comprises the first link block first side (5) and the first link block Second Edge (6), and described the second link block (2A) comprises the second link block first side (7) and the second link block Second Edge (8);
Be arranged on the described metal tube (9) that falls in resistance module (1), described metal tube (9) respectively with described the first link block (2) be connected link block (2A) and be connected.
Wherein, described length of falling resistance module first side (3) is 20～80cm, and described length of falling resistance module Second Edge (4) is 5～15cm.
Wherein, the length of described the first link block first side (5) is 40～60mm, and the length of described the first link block Second Edge (6) is 3～8mm; The length of described the second link block first side (7) is 40～60mm, and the length of described the second link block Second Edge (8) is 3～8mm.
Wherein, described the first link block (2) and the second link block (2A) are band steel.
Wherein, described the first link block (2) and described the second link block (2A) are zinc-coated flat steel sheet.
Wherein, described length of falling resistance module first side (3) is 40cm; Described length of falling resistance module Second Edge (4) is 10cm.
(3) beneficial effect
The utility model is compared to prior art, has following beneficial effect: the utility model is reducing ground resistance, step voltage and touch voltage effectively, and can strengthen the speed of earial drainage; Again because adopt high-strength cement, carbon dust, adhesive and electric protection material etc., so that fall the place that the resistance module can adapt to various high temperature, high resistivity; And through the repetition test gained, when to fall resistance module first side be 20～80cm and fall in the scope of resistance module Second Edge 5～15cm, the link block first side is that 40～60mm and link block Second Edge are in the scope of 3～8mm, and the resistance earial drainage effect of falling of ground network device is the most obvious; The setting of vertical grounding electrode has increased further and has fallen resistance, earial drainage effect, has improved useful life.
Description of drawings
Fig. 1 is the structural representation that is connected with the ground network device of vertical grounding electrode of the present utility model.
Fig. 2 is the structural representation of vertical grounding electrode of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
As depicted in figs. 1 and 2, a kind of ground network device that is connected with vertical grounding electrode comprises and falls resistance module 1 and vertical grounding electrode 10, falls resistance module 1 and connects vertical grounding electrode 10, falls resistance module 1 and comprises: fall resistance module first side 3 and fall resistance module Second Edge 4; Be arranged on the first link block 2 and the second link block 2A that fall on the resistance module 1, the first link block 2 comprises that the first link block first side 5 and the first link block Second Edge 6, the second link block 2A comprise the second link block first side 7 and the second link block Second Edge 8; Be arranged on and fall the metal tube 9 of resistance on the module 1, metal tube 9 respectively with the first link block 2 be connected link block 2A and be connected.Vertical grounding electrode is for increasing falling resistance, earial drainage effect and useful life.
The length of falling resistance module first side 3 is 20～80cm, and the length of falling resistance module Second Edge 4 is 5～15cm.The length of the first link block first side 5 is 40～60mm, and the length of the first link block Second Edge 6 is 3～8mm; The length of the second link block first side 7 is 40～60mm, and the length of the second link block Second Edge 8 is 3～8mm.The first link block 2 and the second link block 2A are band steel.
Preferably, the first link block 2 and the second link block 2A are zinc-coated flat steel sheet.
Preferably, falling the length that hinders module first side 3 is 40cm; The length of falling resistance module Second Edge 4 is 10cm.
During fabrication, the first link block 2 and the second link block 2A are welded with metal tube 9 respectively.The first link block 2 and the second link block 2A place fall the resistance module 1 in, the first link block 2 and the second link block 2A respectively some place fall the resistance module 1 outside; Compressing by high pressure, after the operations such as the physics demoulding, suction reinforcement, complete.Then with vertical grounding electrode 10 and the first link block 2 or the second link block 2A welding.Carry out preservative treatment after being welded to connect, the exposed parts of first link block 2 that then will expose or the second link block 2A and vertical grounding electrode 10 uses the material identical with falling resistance module 1 to fill, and makes it to become the close integral body that can not lose.
Resistance module 1 is fallen by high-strength cement, carbon dust, compressed with adhesive moulding.
For reducing cost, the first link block 2 and the second link block 2A are preferably band steel.On the other hand, because the first link block 2 and the second link block 2A are in the operational environment of underground humidity for a long time, easily get rusty.So on this basis, the first link block 2 and the second link block 2A are preferably zinc-coated flat steel sheet.
The length of the first link block first side 5 is 40～60mm, and the length of the first link block Second Edge 6 is 3～8mm; The length of the second link block first side 7 is 40～60mm, and the length of the second link block Second Edge 8 is 3～8mm; By the design of such size, can more effective reduction resistance, increase earial drainage.
Can according to circumstances select whether to use in use vertical grounding electrode 10, if be not suitable for using vertical grounding electrode 10, as install that ground is underground building stones that are difficult to exploit, and be corroded for fear of metal tube 9, use the material identical with falling resistance module 1 to fill metal tube 9 full.
The ground network device can use separately, also can a plurality ofly connect together use, connect together when using when a plurality of, both described the first link block 2 or described the second link block 2A with a described ground network device was connected with described the first link block 2 or the described second link block 2A of the described ground network device of another piece, and preferred the use welded in the present embodiment.
The ground network device can use separately, also can a plurality ofly connect together use,
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. ground network device that is connected with vertical grounding electrode, it is characterized in that: comprise and fall resistance module (1) and vertical grounding electrode (10), the described resistance module (1) of falling connects described vertical grounding electrode (10), and the described resistance module (1) of falling comprising:
Fall resistance module first side (3) and fall resistance module Second Edge (4);
Be arranged on described the first link block (2) and the second link block (2A) of falling on the resistance module (1), described the first link block (2) comprises the first link block first side (5) and the first link block Second Edge (6), and described the second link block (2A) comprises the second link block first side (7) and the second link block Second Edge (8);
Be arranged on the described metal tube (9) that falls in resistance module (1), described metal tube (9) respectively with described the first link block (2) be connected link block (2A) and be connected.
2. the ground network device that is connected with vertical grounding electrode according to claim 1 is characterized in that: described length of falling resistance module first side (3) is 20～80cm, and described length of falling resistance module Second Edge (4) is 5～15cm.
3. the ground network device that is connected with vertical grounding electrode according to claim 1, it is characterized in that: the length of described the first link block first side (5) is 40～60mm, the length of described the first link block Second Edge (6) is 3～8mm; The length of described the second link block first side (7) is 40～60mm, and the length of described the second link block Second Edge (8) is 3～8mm.
4. the ground network device that is connected with vertical grounding electrode according to claim 1, it is characterized in that: described the first link block (2) and the second link block (2A) are band steel.
5. the ground network device that is connected with vertical grounding electrode according to claim 1, it is characterized in that: described the first link block (2) and described the second link block (2A) are zinc-coated flat steel sheet.
6. the ground network device that is connected with vertical grounding electrode according to claim 2 is characterized in that: described length of falling resistance module first side (3) is 40cm; Described length of falling resistance module Second Edge (4) is 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596605 CN202905967U (en) | 2012-11-13 | 2012-11-13 | Grounding grid device connecting with vertical grounding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220596605 CN202905967U (en) | 2012-11-13 | 2012-11-13 | Grounding grid device connecting with vertical grounding electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905967U true CN202905967U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220596605 Expired - Fee Related CN202905967U (en) | 2012-11-13 | 2012-11-13 | Grounding grid device connecting with vertical grounding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202905967U (en) |
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2012
- 2012-11-13 CN CN 201220596605 patent/CN202905967U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Tianjin Haoyuan Zhengtai Electric Power Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Tianjin Haoyuan Zhengtai Electric Power Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20141113 |
|
| EXPY | Termination of patent right or utility model |