CN209513837U - Auxiliary electrode device is measured for Resistance of Grounding Grids - Google Patents
Auxiliary electrode device is measured for Resistance of Grounding Grids Download PDFInfo
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- CN209513837U CN209513837U CN201821530530.7U CN201821530530U CN209513837U CN 209513837 U CN209513837 U CN 209513837U CN 201821530530 U CN201821530530 U CN 201821530530U CN 209513837 U CN209513837 U CN 209513837U
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- needle
- grounding
- resistance
- grounding grids
- shaped discharging
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- 238000007599 discharging Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
Auxiliary electrode device is measured for Resistance of Grounding Grids.When traditional earth mat earth resistance, auxiliary electrode is made of a metal boost voltage pole and electric current pole, and earthing effect is bad, influences the accuracy of ground resistance measurement sometimes.The utility model is equilateral triangle structure made of being enclosed as three multiple-pin type perpendicular grounding devices (1), the multiple-pin type perpendicular grounding device includes Grounding Grids (2) and four groups of needle-shaped discharging electrode groups (4) being evenly distributed on around the Grounding Grids, and the needle-shaped discharging electrode group is made of one group of needle-shaped discharging electrode (3) arranged up and down.The utility model measures auxiliary electrode device for Resistance of Grounding Grids.
Description
Technical field:
The utility model relates to a kind of electric system and electrical equipment to protect structure, and in particular to one kind connects for grounded screen
Ground resistance measures auxiliary electrode device.
Background technique:
When traditional earth mat earth resistance, the metal boost voltage pole You Yigen and electric current pole are as auxiliary electrode, ground connection
Effect is bad, influences the accuracy of ground resistance measurement sometimes.
Utility model content:
The purpose of this utility model is that the current ground network ground resistance test earthing effect of solution is bad, while measuring ground connection electricity
The problem for hindering inaccuracy, it is good to provide a kind of earthing effect, and it is auxiliary that measurement of Grounding Resistance is accurately used for Resistance of Grounding Grids measurement
Help electrode assembly.
Above-mentioned purpose is realized by following technical scheme:
One kind measuring auxiliary electrode device for Resistance of Grounding Grids, which is vertically to be grounded dress by three multiple-pin types
Equilateral triangle structure made of enclosing is set, the multiple-pin type perpendicular grounding device includes Grounding Grids and is evenly distributed on
Four groups of needle-shaped discharging electrode groups around the Grounding Grids, the needle-shaped discharging electrode group are by one group of needle arranged up and down
Shape discharge electrode composition.
Described measures auxiliary electrode device for Resistance of Grounding Grids, and the diameter of the needle-shaped discharging electrode is 4mm,
Tip curvature is 0.2mm.
Described measures auxiliary electrode device, needle-shaped electric discharge in the needle-shaped discharging electrode group for Resistance of Grounding Grids
The quantity of pole is 3-4.
The utility model has the advantages that
1. the utility model encloses the structure of equilateral triangle, earthing effect using three multiple-pin type perpendicular grounding devices
More preferably, diffusing is fast, and measurement of Grounding Resistance is more accurate.
2. the impulse earthed resistance of multiple-pin type Grounding Grids is much smaller than normal vertical grounding body under impulse high voltage effect
Impulse earthed resistance, and with the raising of surge voltage, the phenomenon is all the more obvious.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model；
Attached drawing 2 is the main view of multiple-pin type perpendicular grounding device；
Attached drawing 3 is the top view of multiple-pin type perpendicular grounding device；
In figure: 1, multiple-pin type perpendicular grounding device；2, Grounding Grids；3, needle-shaped discharging electrode；4, needle-shaped discharging electrode group.
Specific embodiment:
Embodiment 1:
One kind measuring auxiliary electrode device for Resistance of Grounding Grids, which is vertically to be grounded dress by three multiple-pin types
Equilateral triangle structure made of 1 enclosing is set, the multiple-pin type perpendicular grounding device includes Grounding Grids 2 and is uniformly distributed
Four groups of needle-shaped discharging electrode groups 4 around the Grounding Grids, needle-shaped discharging electrode group and Grounding Grids are integral type knot
Structure, Grounding Grids use CrNi base Cu alloy composite materials, and wherein resistivity is 5.0~8.0 × 10-7Ω m, corrosion rate
For 0.05~0.08mm/a, electric current time of releasing reaches ns grades, and the needle-shaped discharging electrode group is by one group of needle arranged up and down
Shape discharge electrode 3 forms, and the diameter of Grounding Grids is 25mm, and the length is 1m, the overall height of needle-shaped discharging electrode group is
600mm, one group of needle-shaped discharging electrode arranged up and down in needle-shaped discharging electrode group are evenly arranged, the horizontal cloth of needle-shaped discharging electrode
It sets, the length of needle-shaped discharging electrode is 25mm, and when being arranged, adjacent two multiple-pin type perpendicular grounding devices are by composite material system
At flat wire be connected, one of multiple-pin type perpendicular grounding device draws a line, and draws with boost voltage pole and electric current pole
Line connection.
Embodiment 2:
Auxiliary electrode device, the needle-shaped discharging electrode are measured for Resistance of Grounding Grids according to described in embodiment 1
Diameter be 4mm, tip curvature 0.2mm.
Embodiment 3:
Auxiliary electrode device, the needle-shaped electric discharge are measured for Resistance of Grounding Grids according to embodiment 1 or 2
The quantity of needle-shaped discharging electrode is 3-4 in the group of pole.
Claims (3)
1. one kind measures auxiliary electrode device for Resistance of Grounding Grids, it is characterized in that: the device is hung down by three multiple-pin types
Directly device enclose made of equilateral triangle structure, the multiple-pin type perpendicular grounding device include Grounding Grids and
Even four groups of needle-shaped discharging electrode groups being distributed in around the Grounding Grids, the needle-shaped discharging electrode group is by about one group
The needle-shaped discharging electrode of arrangement forms, and the diameter of Grounding Grids is 25mm, and the length is 1m, the overall heights of needle-shaped discharging electrode group
For 600mm.
2. according to claim 1 measure auxiliary electrode device for Resistance of Grounding Grids, it is characterized in that: the needle
The diameter of shape discharge electrode is 4mm, tip curvature 0.2mm.
3. according to claim 1 measure auxiliary electrode device for Resistance of Grounding Grids, it is characterized in that: the needle
The quantity of needle-shaped discharging electrode is 3-4 in shape discharge electrode group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821530530.7U CN209513837U (en) | 2018-09-20 | 2018-09-20 | Auxiliary electrode device is measured for Resistance of Grounding Grids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821530530.7U CN209513837U (en) | 2018-09-20 | 2018-09-20 | Auxiliary electrode device is measured for Resistance of Grounding Grids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209513837U true CN209513837U (en) | 2019-10-18 |
Family
ID=68186243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821530530.7U Expired - Fee Related CN209513837U (en) | 2018-09-20 | 2018-09-20 | Auxiliary electrode device is measured for Resistance of Grounding Grids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209513837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077350A (en) * | 2019-12-16 | 2020-04-28 | 云南电网有限责任公司西双版纳供电局 | Galvanized electrode system for pole tower grounding state test and detection method |
-
2018
- 2018-09-20 CN CN201821530530.7U patent/CN209513837U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077350A (en) * | 2019-12-16 | 2020-04-28 | 云南电网有限责任公司西双版纳供电局 | Galvanized electrode system for pole tower grounding state test and detection method |
| CN111077350B (en) * | 2019-12-16 | 2021-09-28 | 云南电网有限责任公司西双版纳供电局 | Galvanized electrode system for pole tower grounding state test and detection method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20200920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |