CN202839981U - Bicylindrical nest type grounding device - Google Patents
Bicylindrical nest type grounding device Download PDFInfo
- Publication number
- CN202839981U CN202839981U CN 201220506341 CN201220506341U CN202839981U CN 202839981 U CN202839981 U CN 202839981U CN 201220506341 CN201220506341 CN 201220506341 CN 201220506341 U CN201220506341 U CN 201220506341U CN 202839981 U CN202839981 U CN 202839981U
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- China
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- bicylindrical
- nest type
- grounding device
- nest
- metal
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Abstract
The utility model relates to a bicylindrical nest type grounding device. The bicylindrical nest type grounding device is characterized by comprising a central grounding conductor, a hollow metal inner barrel and a hollow metal outer barrel. The central grounding conductor, the inner barrel and the outer barrel are connected through metal connection pieces. The bicylindrical nest type grounding device has the advantages that current flow dispersing is carried out by adopting cylindrical surfaces, a big current flow dispersing area can be achieved in a relative narrow and small space, and a nest type design is used for eliminating shielding effects possibly emerged and strengthening the function of eliminating shielding effects to utmost. And meanwhile the nest design can be regard as a parallel circuit, and achieves the effect of reducing self resistance value of grounding bodies. In addition, four faces of the bicylindrical nest type grounding device contact the ground at the same time, inflow electric charges can be distributed on a large area, and therefore current dispersing voltage can be reduced greatly so as to achieve safety of people and electrical equipment.
Description
Technical field
The utility model discloses a kind of earthing device, be used for the ground connection of the safety, lightning protection etc. of electric power, electrical equipment facility.
Background technology
In electric power, electric equipment use procedure, in order to reach device security, reliability service requirement, must make electric equipment that a reliable working earthing and safety ground are arranged.
At present, general employing metal wire rod in grounding construction (band iron, angle steel, circle bar etc.), and according to the requirement of equipment ground resistance, bury enough distances underground toward a plurality of direction radiation, such shortcoming is: the excavation of earthwork amount is large; Metal wire rod is easily stolen; May need to compensate a large amount of young crops expenses that peasant household advocates; And construction difficult when installing in the fluctuating place.
Summary of the invention
It is good that the purpose of this utility model provides a kind of discharge effect, and the simple bicylindrical nested type earthing device of constructing is to remedy the prior art deficiency.
The utility model for realizing the technical scheme that purpose adopts is: bicylindrical nested type earthing device is characterized in that: comprise the metal inner core of hollow and the metal outer cylinder of hollow, inner core is connected metal connecting piece with urceolus and connects.
Optimize: be provided with the centre-point earth conductor in the metal inner core, the centre-point earth conductor also connects by metal connecting piece.
Optimize: be provided with the relative position that fastener fixes metal inner core, metal outer cylinder and centre-point earth conductor on the metal connecting piece.
The beneficial effects of the utility model are: adopt the cylinder diffusing, can realize relatively reaching larger diffusing area in the small space, and nested designs is strengthened this function to greatest extent for after combining the screen effect that enlarges the diffusing area and may occur.Nested designs can be done to regard the ideal paralleling circuit as simultaneously, has reached the effect that has reduced earth electrode self resistance.Four faces of this device contact with the earth simultaneously in addition, can realize importing electric charge in the larger area distribution, thereby reduce significantly the diffusing pressure drop, reach fast electric charge is imported the earth, and the purpose of reducing ground resistance is to realize the person and electric equipment safety.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Embodiment:
In the drawings, earthing conductor centered by 1,2 is the metal inner core of hollow, and 3 is the metal outer cylinder of hollow, and 4 is metal connecting piece, and 5 is fastener.
During use, dig pit on ground, all parts are assembled on ground: centre-point earth conductor 1 is outside equipped with metal inner core 2, the metal inner core 2 outer metal outer cylinders 3 that arrange, then by metal connecting piece 4 three is connected, install simultaneously fastener 5, the three is fixed.Put it in the hole after assembling is finished, with earthen backfill, bury parts, just be full of earth in the metal inner core 2 and in the space between metal inner core 2 and the metal outer cylinder 3.
During use, the electric equipment that needs ground connection linked to each other with centre-point earth conductor 1 upper end by external wire to be got final product.
Metal inner core 2 and metal outer cylinder 3 all do not have up and down end cap, so that the humidity of the soil moisture in it and extraneous soil is consistent, make discharge effect better, have avoided the in the past drainage problem of earthing device simultaneously yet.
The effect of centre-point earth conductor 1 is that the fastening relation of connection between the parts is more easily constructed, and simultaneously, changing in edaphic condition is to keep all the time the integrality of whole device.
Claims (3)
1. bicylindrical nested type earthing device, it is characterized in that: comprise the metal inner core of hollow and the metal outer cylinder of hollow, inner core is connected metal connecting piece with urceolus and connects.
2. bicylindrical nested type earthing device, it is characterized in that: be provided with the centre-point earth conductor in the metal inner core, the centre-point earth conductor also connects by metal connecting piece.
3. bicylindrical nested type earthing device as claimed in claim 2 is characterized in that: be provided with the relative position that fastener fixes metal inner core, metal outer cylinder and centre-point earth conductor on the metal connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506341 CN202839981U (en) | 2012-09-25 | 2012-09-25 | Bicylindrical nest type grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220506341 CN202839981U (en) | 2012-09-25 | 2012-09-25 | Bicylindrical nest type grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839981U true CN202839981U (en) | 2013-03-27 |
Family
ID=47951607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220506341 Expired - Fee Related CN202839981U (en) | 2012-09-25 | 2012-09-25 | Bicylindrical nest type grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654615A (en) * | 2015-11-04 | 2017-05-10 | 国网辽宁省电力有限公司本溪供电公司 | High-voltage grounding wire fixed grounding terminal structure |
-
2012
- 2012-09-25 CN CN 201220506341 patent/CN202839981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654615A (en) * | 2015-11-04 | 2017-05-10 | 国网辽宁省电力有限公司本溪供电公司 | High-voltage grounding wire fixed grounding terminal structure |
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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: 20130327 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |