CN206211054U - The equal pressure zone of grounded screen - Google Patents
The equal pressure zone of grounded screen Download PDFInfo
- Publication number
- CN206211054U CN206211054U CN201621342267.XU CN201621342267U CN206211054U CN 206211054 U CN206211054 U CN 206211054U CN 201621342267 U CN201621342267 U CN 201621342267U CN 206211054 U CN206211054 U CN 206211054U
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- China
- Prior art keywords
- conductor
- horizontal
- pressure zone
- earth mat
- equal pressure
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- Expired - Fee Related
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- 239000004020 conductor Substances 0.000 claims abstract description 157
- 230000000694 effects Effects 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Manufacturing Of Electrical Connectors (AREA)
Abstract
The utility model discloses a kind of equal pressure zone of grounded screen, it is related to earthing or grounding means technical field.The equal pressure zone is embedded in underground, including main earth mat conductor, first level conductor in parallel is provided with what the both sides of the main earth mat conductor were spaced, more than the buried depth of the main earth mat conductor, the two ends of the first level conductor are respectively connected the buried depth of the first level conductor by one first connection conductor with the main earth mat conductor；Second horizontal conductor of the in parallel and length more than first level conductor is provided with the outside of every first level conductor, more than the buried depth of the first level conductor, the two ends of second horizontal conductor are respectively connected the buried depth of second horizontal conductor by one second connection conductor with the main earth mat conductor；The equal pressure zone low manufacture cost, and localized contact voltage characteristic significantly is improved, use safety.
Description
Technical field
The utility model is related to earthing or grounding means technical field, more particularly to a kind of equal pressure zone of grounded screen.
Background technology
In power engineering construction, in fact it could happen that Resistance of Grounding Grids meet design requirement, localized contact voltage and across
Walk the phenomenon of voltage severe overweight, this mainly due to the raising recently as transformer substation voltage grade, earth current increase,
Edaphic condition is poor, pressure zone spacing is larger in grounded screen or connects what partly body corrosion fracture etc. was caused.To avoid contact with
Voltage and step voltage is too high jeopardizes personnel equipment's safety, typically can using enlarging earth mat and maintenance channel, operating mechanism and
The equal pressure zone of level of 1~2m mesh is set up near catch net.But earth mat is extended in city and is increasingly often subject to use ground
Long-pending limitation, and setting up the equal pressure zone of level needs to increase the consumption of ground connection building materials.In addition, touch voltage and step voltage is super
Mark region is generally present in the corner areas of earth mat, blindness taken measures in the range of whole earth mat it is relatively costly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of equal pressure zone of grounded screen, the equal pressure zone cost of manufacture
It is low, and localized contact voltage characteristic significantly is improved, use safety.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of equal pressure zone of grounded screen, institute
State equal pressure zone and be embedded in underground, including main earth mat conductor, it is characterised in that：In being provided with that the both sides of the main earth mat conductor are spaced
First level conductor in parallel, the buried depth of the first level conductor more than the main earth mat conductor buried depth, described the
The two ends of one horizontal conductor are respectively connected by one first connection conductor with the main earth mat conductor；Every the first level is led
Second horizontal conductor of the in parallel and length more than first level conductor, second horizontal conductor are provided with the outside of body
Buried depth of the buried depth more than the first level conductor, the two ends of second horizontal conductor are respectively by one second connection conductor
It is connected with the main earth mat conductor；The like, it is provided with that one article is in parallel and length is big on the outside of every N-1 horizontal conductor
In the N horizontal conductors of N-1 horizontal conductors, buried depth the burying more than the N-1 horizontal conductors of the N horizontal conductors
Deep, the two ends of the N horizontal conductors respectively connect conductor and are connected with the main earth mat conductor by one article of N, and N is more than 2
Natural number.
Further technical scheme is：Difference in height between two adjacent horizontal conductors is identical.
Further technical scheme is：Horizontal range difference between two adjacent horizontal conductors is identical.
Further technical scheme is：Difference in height between the first level conductor and the second horizontal conductor is
0.5m。
Further technical scheme is：Horizontal range difference between the first level conductor and the second horizontal conductor is
2m。
Further technical scheme is：Every the connection conductor includes rake and vertical component effect, the rake
One end connects with one end of the corresponding horizontal conductor, and the other end of rake is connected with one end of the vertical component effect, described
The other end of vertical component effect is connected with the main earth mat conductor, and the vertical component effect is vertical with the main earth mat conductor.
Further technical scheme is：The equal pressure zone is the axially symmetric structure with main earth mat conductor as symmetry axis.
Further technical scheme is：The buried depth of the vertical component effect is 0.8m.
It is using the beneficial effect produced by above-mentioned technical proposal：Level of the horizontal conductor away from main earth mat conductor away from
Increase successively from buried depth, and eight sides between the corresponding horizontal conductor in main earth mat conductor both sides and connection conductor spatially
Shape, can not only effectively reduce localized contact voltage and step voltage, and can also reduce steel compared with other step-down measures disappears
Consumption and construction cost.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the overlooking the structure diagram of equal pressure zone described in the utility model embodiment；
Fig. 2 be equal pressure zone A-A described in Fig. 1 to cross section structure diagram；
Wherein：1st, main earth mat conductor 2, the connection of first level conductor 3, first conductor 4, the second horizontal conductor 5, second
Connection conductor 6, rake 7, vertical component effect 8, the earth.
Specific embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other be implemented, and those skilled in the art can be without prejudice to this reality
Similar popularization is done with the case of new intension, therefore the utility model is not limited by following public specific embodiment.
The utility model embodiment discloses a kind of equal pressure zone of grounded screen, and the equal pressure zone is embedded in underground, including main
Net conductor 1, first level conductor 2 in parallel, first water are provided with what the both sides of the main earth mat conductor 1 were spaced
More than the buried depth of the main earth mat conductor 1, the two ends of the first level conductor 2 respectively pass through one first to the buried depth of flush conductor 2
Connection conductor 3 is connected with the main earth mat conductor 1；The outside of every first level conductor 2 be provided with one it is in parallel and
, more than the second horizontal conductor 4 of first level conductor 2, the buried depth of second horizontal conductor 4 is more than the first level for length
The buried depth of conductor 2, the two ends of second horizontal conductor 4 are respectively connected by one second connection conductor 5 with the main earth mat conductor 1
Connect；The like, one article of in parallel and length is provided with the outside of every N-1 horizontal conductor more than N-1 horizontal conductors
N horizontal conductors, the buried depth of the buried depth more than the N-1 horizontal conductors of the N horizontal conductors, the N horizontal conductors
Two ends conductor respectively connected by one article of N be connected with the main earth mat conductor 1, N is the natural number more than 2.
Preferably, the difference in height between two adjacent horizontal conductors is identical；Two adjacent horizontal conductors
Between horizontal range difference it is identical.The equal pressure zone is the axially symmetric structure as symmetry axis with main earth mat conductor 1.
Further, every it is described connection conductor include rake 6 and vertical component effect 7, one end of the rake 6 with it is corresponding
The horizontal conductor one end connection, the other end of rake 6 is connected with one end of the vertical component effect 7, the vertical component effect 7
The other end is connected with the main earth mat conductor 1, and the vertical component effect 7 is vertical with the main earth mat conductor 1.Led by the connection
Body makes the octagon between the corresponding horizontal conductor in main earth mat conductor both sides and connection conductor spatially.
Horizontal range and buried depth of the horizontal conductor away from main earth mat conductor increase successively, and main earth mat conductor both sides are relative
Octagon between the horizontal conductor and connection conductor answered spatially, can not only effectively reduce localized contact voltage and stride
Voltage, steel consumption and construction cost can also be reduced compared with other step-down measures.
As shown in Figure 1-2, the utility model embodiment discloses a kind of equal pressure zone of grounded screen, and the equal pressure zone is embedded in ground
Under, including main earth mat conductor 1, it is provided with first level conductor in parallel what the both sides of the main earth mat conductor 1 were spaced
2, the buried depth of the buried depth more than the main earth mat conductor 1 of the first level conductor 2, the two ends of the first level conductor 2 are each
It is connected with the main earth mat conductor 1 by one first connection conductor 3；The outside of every first level conductor 2 is provided with one
Bar is in parallel and length more than first level conductor 2 the second horizontal conductor 4, the buried depth of second horizontal conductor 4 is more than
The buried depth of the first level conductor 2, the two ends of second horizontal conductor 4 respectively by one second connection conductor 5 with it is described
Main earth mat conductor 1 is connected.
Preferably, level interval of the first level conductor away from main earth mat conductor is 2m, and buried depth is 1m；Second horizontal conductor away from
The level interval of main earth mat conductor is 4m, and buried depth is 1.5m, and the buried depth of the vertical component effect in every connecting wire is 0.8m, it is necessary to refer to
Go out, the distance between first level conductor, the second horizontal conductor and main earth mat conductor and depth be simultaneously in the utility model
It is not limited to described above, the preferred selection of one kind of simply the application described above.
Claims (8)
1. a kind of equal pressure zone of grounded screen, the equal pressure zone is embedded in underground, including main earth mat conductor (1), it is characterised in that：Institute
State main earth mat conductor (1) both sides interval be provided with first level conductor (2) in parallel, the first level conductor
(2) more than the buried depth of the main earth mat conductor (1), the two ends of the first level conductor (2) respectively pass through one first to buried depth
Connection conductor (3) is connected with the main earth mat conductor (1)；Be provided with the outside of every first level conductor (2) one and its
Parallel and length is more than second horizontal conductor (4) of first level conductor (2), and the buried depth of second horizontal conductor (4) is more than
The buried depth of the first level conductor (2), the two ends of second horizontal conductor (4) are respectively by one second connection conductor (5)
It is connected with the main earth mat conductor (1)；The like, one article of in parallel and length is provided with the outside of every N-1 horizontal conductor
, more than the N horizontal conductors of N-1 horizontal conductors, the buried depth of the N horizontal conductors is more than the N-1 horizontal conductors for degree
Buried depth, the two ends of the N horizontal conductors respectively connect conductor and are connected with the main earth mat conductor (1) by one article of N, and N is big
In 2 natural number.
2. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：Between two adjacent horizontal conductors
Difference in height is identical.
3. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：Between two adjacent horizontal conductors
Horizontal range difference is identical.
4. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：The first level conductor (2) and the second water
Difference in height between flush conductor (4) is 0.5m.
5. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：The first level conductor (2) and the second water
Horizontal range difference between flush conductor (4) is 2m.
6. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：Every the connection conductor includes rake
(6) and vertical component effect (7), one end connection of one end of the rake (6) and the corresponding horizontal conductor, rake (6)
The other end is connected with the one end of the vertical component effect (7), and the other end of the vertical component effect (7) is connected with the main earth mat conductor (1),
And the vertical component effect (7) is vertical with the main earth mat conductor (1).
7. the equal pressure zone of grounded screen as claimed in claim 1, it is characterised in that：The equal pressure zone is with main earth mat conductor (1)
It is the axially symmetric structure of symmetry axis.
8. the equal pressure zone of grounded screen as claimed in claim 6, it is characterised in that：The buried depth of the vertical component effect is 0.8m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342267.XU CN206211054U (en) | 2016-12-08 | 2016-12-08 | The equal pressure zone of grounded screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342267.XU CN206211054U (en) | 2016-12-08 | 2016-12-08 | The equal pressure zone of grounded screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206211054U true CN206211054U (en) | 2017-05-31 |
Family
ID=58746373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342267.XU Expired - Fee Related CN206211054U (en) | 2016-12-08 | 2016-12-08 | The equal pressure zone of grounded screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206211054U (en) |
-
2016
- 2016-12-08 CN CN201621342267.XU patent/CN206211054U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20171208 |