CN206863128U - A kind of measurement apparatus of analogue ground material grounding resistance - Google Patents
A kind of measurement apparatus of analogue ground material grounding resistance Download PDFInfo
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- CN206863128U CN206863128U CN201720473184.2U CN201720473184U CN206863128U CN 206863128 U CN206863128 U CN 206863128U CN 201720473184 U CN201720473184 U CN 201720473184U CN 206863128 U CN206863128 U CN 206863128U
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- switch
- cylinder
- paillon foil
- constant
- resistance
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- 239000000463 material Substances 0.000 title claims abstract description 31
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 239000011888 foil Substances 0.000 claims abstract description 17
- 239000002689 soil Substances 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
A kind of measurement apparatus of analogue ground material grounding resistance, including cylinder (11), paillon foil (10), thermal module (9), ac voltage regulator (1), constant resistance (2), constant voltage source (5), first switch (3), second switch (4), voltmeter (6) and ammeter (7).Cylinder (11) is a closed cylindrical vessel, and cylinder (11) inwall is laid with the paillon foil (10) of hollow cylindrical；Paillon foil wraps up soil；Earthing material sample (8) insertion soil center；There is special circuit outside cylinder, connect earthing material sample and paillon foil respectively.The degree of accuracy of the utility model device grounding resistance measurement is high, favorable repeatability.
Description
Technical field
It the utility model is related to a kind of measurement apparatus of analogue ground material grounding resistance, category grounding technology field.
Background technology
On the one hand corrosion of the grounding body in soil causes the sectional area of grounding body to reduce year by year, grounding body dynamic thermal stability
Reduce, reduce the service life of grounding body；On the other hand, the fine and close of grounding body surface by corrosion generation, electric conductivity are relatively low
Oxide layer（The oxide of aluminum grounding body surface corrosion generation is even difficult to conduction）, adds somewhat to grounded screen
Grounding resistance.
The grounding resistance of in-site measurement earthing material, wastes time and energy；Therefore, it is being necessary that providing a kind of measurement indoors connects
The device of the grounding resistance of ground material.
The content of the invention
The purpose of this utility model is, the problem of presence for the grounding resistance measurement of existing earthing material, proposes a kind of
Measure the device of the grounding resistance of earthing material.
The technical solution of the utility model is as follows：A kind of device for the grounding resistance for measuring earthing material includes cylinder, paper tinsel
Piece, thermal module, ac voltage regulator, constant resistance, constant voltage source, first switch, second switch, voltmeter and ammeter.
Cylinder is a closed cylindrical vessel, and cylinder inner wall is laid with the paillon foil of hollow cylindrical；Paillon foil is by soil
Earth wraps up；Earthing material sample insertion soil center；There is special circuit outside cylinder, one end connection of earthing material sample is led
Line, wire connect one end of constant resistance by ammeter；The zero line of the other end connection ac voltage regulator of constant resistance
Section；The ground terminal of ac voltage regulator connects the negative pole and paillon foil of constant voltage source through first switch；The positive pole of constant voltage source passes through
Second switch is connected on ammeter and the connecting line of constant resistance；Voltmeter is connected in parallel on constant voltage source and second switch series electrical
The both ends on road；Thermal module is embedded in the soil of cylinder.
The radius of the paillon foil of described hollow cylindrical is far longer than the radius of earthing material.
The beneficial effects of the utility model are, the utility model use by ac voltage regulator, constant resistance, voltmeter,
The circuit of the compositions such as ammeter, the output size of experiment power supply is accurately controlled and adjusts, can be accurate by voltage x current value
Calculate earthing material grounding resistance；A kind of circuit being made up of constant voltage source etc., it is possible to provide accelerated test side of earthing material
Method, by the cooperation and conversion of two kinds of circuits, influencing each other for earthing material accelerated corrosion and grounding resistance can be studied.This practicality
The degree of accuracy of new device grounding resistance measurement is high, favorable repeatability.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Wherein, 1 is ac voltage regulator, and 2 be constant resistance, and 3 be first switch, and 4 be second switch, and 5 be constant voltage source,
6 be voltmeter, and 7 be ammeter, and 8 be earthing material sample, and 9 be thermal module, and 10 be paillon foil, and 11 be cylinder, and 12 be soil.
Embodiment
The embodiment of utility model is as shown in Figure 1.
The present embodiment it is a kind of measure earthing material grounding resistance device include cylinder 11, paillon foil 10, thermal module 9,
Ac voltage regulator 1, constant resistance 2, constant voltage source 5, first switch 3, second switch 4, voltmeter 6 and ammeter 7.
Cylinder 11 is a closed cylindrical vessel, and the inwall of cylinder 11 is laid with the paillon foil 10 of hollow cylindrical；Paper tinsel
Piece wraps up soil；Earthing material sample 8 inserts soil center；There is special circuit outside cylinder 11, earthing material sample 8
One end connecting wire, wire connect one end of constant resistance 2 by ammeter 7；The other end connection AC voltage adjusting of constant resistance 2
The zero line of power supply 1；The ground terminal of ac voltage regulator 1 connects the negative pole and paillon foil 10 of constant voltage source 5 through first switch 3；It is permanent
The positive pole of voltage source 5 is connected on ammeter 7 and the connecting line of constant resistance 2 by second switch 4；Voltmeter 6 is connected in parallel on perseverance
Voltage source 5 and the both ends of the series circuit of second switch 4；Thermal module 9 is embedded in the soil 12 of cylinder 11.
Circuit is connected by Fig. 1, when measuring different materials grounding resistance, is off second switch 4, measurement is each
Current value, the magnitude of voltage that ammeter 7, the voltmeter 6 of individual material are shown, calculate the grounding resistance of different materials.To protect
Demonstrate,prove the accuracy of measurement, thermal module 9 can monitoring test temperature at any time, it is ensured that test temperature is consistent.To contrast different ground connection materials
Expect influence of the surface corrosion to grounding resistance, accelerated corrosion experiment can be carried out, second switch is closed, first switch disconnects, and adopts
Experiment is powered with constant voltage source 5, periodically weighs gross mass at regular intervals, the top of cylinder 11 is equipped with sprinkler, root
Distilled water is added to initial value by sprinkler according to weightlessness.After off-test, further according to foregoing method of Testing Earth-Contact Resistance, survey
Measure the grounding resistance of material.
Claims (2)
1. a kind of measurement apparatus of analogue ground material grounding resistance, it is characterised in that described device includes cylinder, paillon foil, temperature
Spend module, ac voltage regulator, constant resistance, constant voltage source, first switch, second switch, voltmeter and ammeter；
The cylinder is a closed cylindrical vessel, and cylinder inner wall is laid with the paillon foil of hollow cylindrical；The paillon foil
Soil is wrapped up；Earthing material sample insertion soil center；There is special circuit outside cylinder, one end of earthing material sample connects
Wire is connect, wire connects one end of constant resistance by ammeter；The fire of the other end connection ac voltage regulator of constant resistance
Line terminal section；The ground terminal of ac voltage regulator connects the negative pole and paillon foil of constant voltage source through first switch；The positive pole of constant voltage source
It is connected to by second switch on ammeter and the connecting line of constant resistance；Voltmeter is connected in parallel on constant voltage source and second switch string
Join the both ends of circuit；Thermal module is embedded in the soil of cylinder.
2. the measurement apparatus of a kind of analogue ground material grounding resistance according to claim 1, it is characterised in that described
The radius of the paillon foil of hollow cylindrical is far longer than the radius of earthing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473184.2U CN206863128U (en) | 2017-05-02 | 2017-05-02 | A kind of measurement apparatus of analogue ground material grounding resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720473184.2U CN206863128U (en) | 2017-05-02 | 2017-05-02 | A kind of measurement apparatus of analogue ground material grounding resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206863128U true CN206863128U (en) | 2018-01-09 |
Family
ID=60822336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720473184.2U Expired - Fee Related CN206863128U (en) | 2017-05-02 | 2017-05-02 | A kind of measurement apparatus of analogue ground material grounding resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206863128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845185A (en) * | 2018-04-02 | 2018-11-20 | 国网江西省电力有限公司电力科学研究院 | The measurement of soft graphite grounding body ground resistance and accelerated corrosion test device and method |
| CN109613341A (en) * | 2019-01-24 | 2019-04-12 | 贵州电网有限责任公司 | A kind of measuring device of earthing material and soil contact resistance |
| CN110068735A (en) * | 2019-01-24 | 2019-07-30 | 贵州电网有限责任公司 | A method of measurement and reckoning grounding body and soil contact resistance |
-
2017
- 2017-05-02 CN CN201720473184.2U patent/CN206863128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108845185A (en) * | 2018-04-02 | 2018-11-20 | 国网江西省电力有限公司电力科学研究院 | The measurement of soft graphite grounding body ground resistance and accelerated corrosion test device and method |
| CN109613341A (en) * | 2019-01-24 | 2019-04-12 | 贵州电网有限责任公司 | A kind of measuring device of earthing material and soil contact resistance |
| CN110068735A (en) * | 2019-01-24 | 2019-07-30 | 贵州电网有限责任公司 | A method of measurement and reckoning grounding body and soil contact resistance |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |