CN202523856U - Grounding grid device - Google Patents
Grounding grid device Download PDFInfo
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- CN202523856U CN202523856U CN2012201592154U CN201220159215U CN202523856U CN 202523856 U CN202523856 U CN 202523856U CN 2012201592154 U CN2012201592154 U CN 2012201592154U CN 201220159215 U CN201220159215 U CN 201220159215U CN 202523856 U CN202523856 U CN 202523856U
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Abstract
The utility model provides a grounding grid device. The grounding grid device comprises a resistance reducing module, a first connecting module, a second connecting module, a metal pipe member and a horizontal grounding electrode, wherein the resistance reducing module is used for reducing resistance and increasing the flow leaking speed and comprises a resistance reducing module first side with the length of 20-80 cm and a resistance reducing module second side with the length of 5-15 cm; the first connecting module comprises a first connecting module first side with the length of 40-60 mm and a first connecting module second side with the length of 3-8 mm; the second connecting module comprises a second connecting module first side with the length of 40-60 mm and a second connecting module second side with the length of 3-8 mm; the metal pipe member is arranged on the resistance reducing module; the first connecting module and the second connecting module are respectively connected with the metal pipe member; and the horizontal grounding electrode is used for flow leakage. The grounding grid device provided by the utility model has the advantages that the grounding resistance, step voltage and contact voltage are effectively reduced, and the flow leaking speed can be enhanced. The grounding grid device is applicable to a variety of work environments.
Description
Technical field
The utility model relates to earthing device, is meant a kind of ground network device that is used for transformer station especially.
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 substation grounding system, 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 saline and alkaline in a large number for another example 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 Shortcuts capacity, the while, the accident that imperfect earth causes was more and more owing to thunderstorm weather rolls up.
The utility model content
The utility model proposes a kind of earthing module, has solved the problem of the accident that causes because of imperfect earth in the prior art.
The technical scheme of the utility model is achieved in that
A kind of ground network device comprises:
Be used to reduce resistance, increase earial drainage speed the resistance module falls;
The said resistance module of falling comprises: fall resistance module first limit and fall resistance module second limit;
Said resistance module first limit that falls is that 20cm～80cm is long, and said resistance module second limit that falls is that 5cm～15cm is long;
Be arranged on said first link block and second link block of falling on the resistance module;
Said first link block comprises: first link block, first limit and first link block, second limit;
Said company first link block, first limit is that 40mm～60mm is long, and said first link block second limit is 3mm～8mm;
Said second link block comprises: second link block, first limit and second link block, second limit;
Said second link block first limit is that 40mm～60mm is long, and said second link block second limit is 3mm～8mm;
Be arranged on the said metal tube that falls on the resistance module; Said first link block is connected with said metal tube respectively with said second link block;
The horizontal grounding utmost point that is used for earial drainage.
Further, also comprise: the vertical grounding electrode that is connected with said metal tube.
Further, be used to increase the horizontal grounding module of falling resistance, earial drainage effect and useful life.
Further, the said resistance module of falling is by high-strength cement, carbon dust, compressed with adhesive moulding.
Further, said first link block is specially band steel, and said second link block is specially band steel.
Further, said first link block is specially zinc-coated flat steel sheet, and said second link block is specially zinc-coated flat steel sheet.
Further, said resistance module first limit that falls is that 30cm is long; Said resistance module second limit that falls is that 10cm is long.
Further, said resistance module first limit that falls is that 40cm is long; Said resistance module second limit that falls is that 10cm is long.
Further, said resistance module first limit that falls is that 60cm is long; Said resistance module second limit that falls is that 10cm is long.
Further, said company first link block, first limit is that 50mm is long, and said first link block second limit is 5mm; Said second link block first limit is that 50mm is long, and said second link block second limit is 5mm.
The utility model technical scheme can effectively reduce earth resistance, step voltage and touch voltage, and can strengthen the speed of earial drainage through said resistance module and the said link block of falling is set; Because adopt high-strength cement, carbon dust, adhesive and electric protection material etc., make said falling hinder the place that module can adapt to various high temperature, high resistivity again; And through the repetition test gained; When said resistance module first limit that falls is 20cm～80cm and said falling in the scope that hinders module second limit 5cm～15cm; Said link block first limit is that 40mm～60mm and link block second limit are in the scope of 3mm～8mm, and the resistance earial drainage effect of falling of said ground network device is the most obvious.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment or the existing techniques; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of an embodiment of a kind of ground network device of the utility model;
Fig. 2 is the structural representation of another embodiment of a kind of ground network device of the utility model;
The structural representation of the vertical grounding electrode of a kind of ground network device of Fig. 3 the utility model;
The structural representation of the horizontal grounding module of a kind of ground network device of Fig. 4 the utility model.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, a kind of ground network device comprises:
Be used to reduce resistance, increase earial drainage speed resistance module 1 falls;
The said resistance module 1 of falling comprises: fall resistance module first limit 3 and fall resistance module second limit 4;
Said resistance module first limit 3 that falls is long for 20cm～80cm, and said resistance module second limit 4 that falls is long for 5cm～15cm;
Be arranged on said first link block 2 and the second link block 2A that falls on the resistance module 1;
Said first link block 2 comprises: first link block, first limit 5 and first link block, second limit 6;
Said company first link block, first limit 5 is that 40mm～60mm is long, and said first link block second limit 6 is 3mm～8mm;
The said second link block 2A comprises: second link block, first limit 7 and second link block, second limit 8;
Said second link block first limit 7 is that 40mm～60mm is long, and said second link block second limit 8 is 3mm～8mm;
Be arranged on the said metal tube 9 that falls on the resistance module 1; Said first link block 2 is connected with said metal tube 9 respectively with the said second link block 2A;
The horizontal grounding utmost point that is used for earial drainage.
Embodiment 1: during fabrication; Said first link block 2 is connected with said metal tube 9 respectively with the said second link block 2A; Said in the present embodiment first link block 2 is welded with said metal tube 9 respectively with the said second link block 2A; The said metal tube 9 that connects, said first link block 2 and the said second link block 2A are placed said falling in the resistance module 1, and some places said falling outside the resistance module 1 to said first link block 2 respectively with the said second link block 2A; Through high pressure compression moulding, after operations such as the physics demoulding, suction reinforcement, complete, said company first link block, first limit 5 is that 40mm～60mm is long, said first link block second limit 6 is 3mm～8mm; Said second link block first limit 7 is that 40mm～60mm is long, and said second link block second limit 8 is 3mm～8mm; Through the design of such size, can more effective reduction resistance, increase earial drainage; At erection stage; Said first link block 2 or the said second link block 2A can be connected with the said ground network device of another piece; Also can be connected with the said horizontal grounding utmost point; Preferably be connected with the said horizontal grounding utmost point in the present embodiment, concrete connected mode is preferably welding in the present embodiment; Use as shown in Figure 2 and said resistance module 1 identical materials of falling are filled said metal tube 9; According to the difference of required resistance, can the said resistance module 1 of falling be used with said horizontal grounding utmost point series connection together like this.
Further, also comprise: the vertical grounding electrode 10 that is connected with said metal tube 9.
Embodiment 2: the requirement according to the resistance of ground, ground is installed, can said metal tube 9 be connected with said vertical grounding electrode 10, and said in the present embodiment metal tube 9 is welding with said vertical grounding electrode 10; At erection stage, be appreciated that into, place said metal tube 9 to weld said vertical grounding electrode 10; Place underground depths below 3 meters then; After said metal tube 9 and said vertical grounding electrode 10 contact portions are carried out preservative treatment, use with said resistance module 1 identical materials of falling and fill, fill after accomplishing as shown in Figure 2; Like this can more effective reduction earth resistance, increase earial drainage speed.
Further, also comprise: be used to increase the horizontal grounding module 11 of falling resistance, earial drainage effect and useful life.
Embodiment 3: the said horizontal grounding utmost point is generally zinc-coated flat steel sheet; But when soil belongs to saline-alkali soil or is in the coastal area; In order to guarantee falling resistance, earial drainage effect and useful life of whole ground network; The said horizontal grounding utmost point is replaced with said horizontal grounding module 11, and said horizontal grounding module 11 is connected with said first link block 2 or the said second link block 2A; After connection, carry out preservative treatment; Said first link block 2 that will expose then or the exposed parts of said second link block 2A and said horizontal grounding module 11 use with said resistance module 1 identical materials of falling and fill, and make it to become the close integral body that can not lose.
Further, the said resistance module 1 of falling is by high-strength cement, carbon dust, compressed with adhesive moulding.
Further, said first link block 2 is specially band steel, and the said second link block 2A is specially band steel.
Further, said first link block 2 is specially zinc-coated flat steel sheet, and the said second link block 2A is specially zinc-coated flat steel sheet.
Embodiment 4: in the present embodiment; After said first link block 2 or the said second link block 2A and said metal tube 9 connect; With high-strength cement, carbon dust, the compression moulding of adhesive high pressure, moulding is after form the said resistance module 1 of falling after the technologies such as the physics demoulding, suction reinforcement.
Said first connection mode and the said second link block 2A are preferably band steel in order to reduce cost; On the other hand because said first link block 2 and the said second link block 2A are in the operational environment of underground humidity for a long time to be prone to get rusty, so said on this basis first link block 2 is preferably zinc-coated flat steel sheet with the said second link block 2A.
Further, said resistance module first limit 3 that falls is long for 30cm; Said resistance module second limit 4 that falls is long for 10cm.
Further, said resistance module first limit 3 that falls is long for 40cm; Said resistance module second limit 4 that falls is long for 10cm.
Further, said resistance module first limit 3 that falls is long for 60cm; Said resistance module second limit 4 that falls is long for 10cm.
Further, said company first link block, first limit 5 is long for 50mm, and said first link block second limit 6 is 5mm; Said second link block first limit 7 is long for 50mm, and said second link block second limit 8 is 5mm.
Embodiment 5: in the present embodiment, said resistance module first limit 3 that falls after the moulding is specially 40cm length, and said resistance module second limit 4 that falls is specially 10cm length; It is long that said company first link block, first limit 5 is specially 50mm, and said first link block second limit 6 is 5mm; Said second link block first limit 7 is long for 50mm, and said second link block second limit 8 is 5mm.Said first link block 2 or the said second link block 2A are connected with horizontal grounding module 11, and said vertical grounding electrode 10 is connected with said metal tube 9, and connected mode in the present embodiment is welding; Said first link block 2 or the said second link block 2A are connected back bare metal part after the process preservative treatment with horizontal grounding module 11; Use composite material materials such as high-strength cement, carbon dust, adhesive to fill, wrap up; The three is integrated, and any metal parts does not contact with soil; Said vertical grounding electrode 10 is connected back bare metal part after the process preservative treatment with said metal tube 9; Use composite materials such as high-strength cement, carbon dust, adhesive to fill, wrap up; The three is integrated, and any metal parts does not contact with soil.
Can according to circumstances select whether use said vertical grounding electrode 10 in use, if the said vertical grounding electrode 10 of suitable use is the building stones that are difficult to exploit as ground being installed underground; Be corroded for fear of said metal tube 9, use and fill said metal tube 9 full with said resistance module 1 identical materials of falling.
Said ground network device can use separately; Also can a plurality ofly connect together use; Connect together when using when a plurality of; Both said first link block 2 or the said second link block 2A with a said ground network device was connected with said first link block 2 or the said second link block 2A of the said ground network device of another piece, and preferred in the present embodiment the use welded.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a ground network device is characterized in that, comprising:
Be used to reduce resistance, increase earial drainage speed the resistance module falls;
The said resistance module of falling comprises: fall resistance module first limit and fall resistance module second limit;
Said resistance module first limit that falls is that 20cm～80cm is long, and said resistance module second limit that falls is that 5cm～15cm is long;
Be arranged on said first link block and second link block of falling on the resistance module;
Said first link block comprises: first link block, first limit and first link block, second limit;
Said company first link block, first limit is that 40mm～60mm is long, and said first link block second limit is 3mm～8mm;
Said second link block comprises: second link block, first limit and second link block, second limit;
Said second link block first limit is that 40mm～60mm is long, and said second link block second limit is 3mm～8mm;
Be arranged on the said metal tube that falls on the resistance module; Said first link block is connected with said metal tube respectively with said second link block;
The horizontal grounding utmost point that is used for earial drainage.
2. ground network device according to claim 1 is characterized in that, also comprises: the vertical grounding electrode that is connected with said metal tube.
3. like the said ground network device of claim 2, it is characterized in that, also comprise: be used to increase the horizontal grounding module of falling resistance, earial drainage effect and useful life.
4. like any said ground network device of claim 1 to 3, it is characterized in that the said resistance module of falling is by high-strength cement, carbon dust, compressed with adhesive moulding.
5. like the said ground network device of claim 4, it is characterized in that said first link block is specially band steel, said second link block is specially band steel.
6. like the said ground network device of claim 5, it is characterized in that said first link block is specially zinc-coated flat steel sheet, said second link block is specially zinc-coated flat steel sheet.
7. like the said ground network device of claim 6, it is characterized in that said resistance module first limit that falls is that 30cm is long; Said resistance module second limit that falls is that 10cm is long.
8. like the said ground network device of claim 7, it is characterized in that said resistance module first limit that falls is that 40cm is long; Said resistance module second limit that falls is that 10cm is long.
9. like the said ground network device of claim 8, it is characterized in that said resistance module first limit that falls is that 60cm is long; Said resistance module second limit that falls is that 10cm is long.
10. like the said ground network device of claim 9, it is characterized in that said company first link block, first limit is that 50mm is long, said first link block second limit is 5mm;
Said second link block first limit is that 50mm is long, and said second link block second limit is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201592154U CN202523856U (en) | 2012-04-16 | 2012-04-16 | Grounding grid device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201592154U CN202523856U (en) | 2012-04-16 | 2012-04-16 | Grounding grid device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523856U true CN202523856U (en) | 2012-11-07 |
Family
ID=47106787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201592154U Expired - Fee Related CN202523856U (en) | 2012-04-16 | 2012-04-16 | Grounding grid device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202523856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065703A (en) * | 2012-11-29 | 2013-04-24 | 郑州市永逸降阻材料有限公司 | Non-corrosive electricity conduction and resistance reduction material and maintenance-free grounding device comprising the same |
| CN109142878A (en) * | 2018-07-28 | 2019-01-04 | 贵州省地质调查院 | A kind of processing method reducing ground resistance |
-
2012
- 2012-04-16 CN CN2012201592154U patent/CN202523856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065703A (en) * | 2012-11-29 | 2013-04-24 | 郑州市永逸降阻材料有限公司 | Non-corrosive electricity conduction and resistance reduction material and maintenance-free grounding device comprising the same |
| CN103065703B (en) * | 2012-11-29 | 2015-09-16 | 郑州市永逸降阻材料有限公司 | Corrosion-free conduction resistance-lowering material and earth device without maintenance thereof |
| CN109142878A (en) * | 2018-07-28 | 2019-01-04 | 贵州省地质调查院 | A kind of processing method reducing ground resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |