CN204177869U - A kind of earth resistance device for Along Railway acquisition station - Google Patents
A kind of earth resistance device for Along Railway acquisition station Download PDFInfo
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- CN204177869U CN204177869U CN201420584910.4U CN201420584910U CN204177869U CN 204177869 U CN204177869 U CN 204177869U CN 201420584910 U CN201420584910 U CN 201420584910U CN 204177869 U CN204177869 U CN 204177869U
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- testing current
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- earth resistance
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Abstract
The utility model relates to electric elements and measures detection field, and what be specifically related to is a kind of earth resistance device for Along Railway acquisition station.The utility model provides a kind of earth resistance device for Along Railway acquisition station, comprise: testing current pole, potential test pole, testing current line and potential test line, the connection terminal that described testing current is extremely gone up is fixedly connected with one end of described testing current line; The connection terminal of described potential test pole is fixedly connected with one end of described potential test line, and described testing current line and described potential test line are respectively equipped with shielding protector.The utility model can solve acquisition station earth resistance and repeat installation work, solving cannot according to the problem of standard wiring by place restriction, the impact on earth resistance under electromagnetic interference environment can be solved, make earth resistance can not be subject to the impact of place and site environment problem again.
Description
Technical field
The utility model relates to electric elements and measures detection field, and what be specifically related to is a kind of earth resistance device for Along Railway acquisition station.
Background technology
Present stage, railway machine room was all generally build remote mountain areas in, and ambient conditions are complicated, and one side is rail, the geographical environments such as another side or hillside, gully, highway.Limit by place, almost can not have according to the machine room of the measuring method unwrapping wire of three electrode method standard-required, so-called three electrode method measuring principle is as accompanying drawing 1, three poles refer to earthing device to be measured, auxiliary current pole, boosting voltage pole, in addition, p-wire requires to connect up according to the unwrapping wire distance of 20m and 40m.Therefore, the measuring method of current railway system acquisition station stake resistance all criteria of right and wrongs, inaccurate.Because machine room periphery electromagnetic environment is complicated, the above is high-voltage contact net, and here is rail, intersects and lay various drop cable around machine room.There is the coupling influence of inductance and electric capacity in strong electromagnetic environment, also there is Resistive Coupling impact in grounding resistance measurement.When contact net electric current is through rail return current, will sews into ground along rail by some electric current, around earth current point, can current potential be produced relative between the earth at a distance, by the earth Resistive Coupling, between communication base station earthing device, produce potential difference (PD).Electromagnetic field circumstance complication, large to test interference, thus the measurement of stake resistance is impacted, accompanying drawing 2 is shown in concrete impact, if do not take certain anti-interference method to measure, cannot obtain resistance information accurately and effectively at all.
Utility model content
In order to overcome defect of the prior art, the utility model provides a kind of earth resistance device for Along Railway acquisition station, comprise: testing current pole, potential test pole, testing current line and potential test line, the connection terminal that described testing current is extremely gone up is fixedly connected with one end of described testing current line; The connection terminal of described potential test pole is fixedly connected with one end of described potential test line, and described testing current line and described potential test line are respectively equipped with shielding protector.
Further, described shielding protector is high-pressure rubber hose.
Further, described testing current pole and described potential test pole are made up of copper plated steel.
Further, described testing current extremely on be provided with electric current pole inspection box, described potential test extremely on be provided with potential pole inspection box.
Further, the sidewall of described electric current pole inspection box is provided with the first through hole of the high-pressure rubber hose for derived current p-wire, and the bottom of described electric current pole inspection box is provided with the fifth hole for installing testing current pole; The second through hole that described potential pole inspection box is provided with the high-pressure rubber hose for importing described testing current line and the third through-hole of simultaneously deriving for described testing current line and potential test line, the bottom of described potential pole inspection box is provided with the fourth hole for installing potential test pole.
Further, described first through hole, the second through hole and third through-hole are equipped with the first annular waterproof end plug respectively.
Further, the second annular waterproof end plug is equipped with described fourth hole and fifth hole respectively.
Further, the material of described first annular waterproof end plug and described second annular waterproof end plug is copper.
Compared with prior art, superior effect is: the utility model can solve acquisition station earth resistance and repeat installation work, solving place restriction cannot according to the problem of standard wiring, the impact on earth resistance under electromagnetic interference environment can be solved, make earth resistance can not be subject to the impact of place and site environment problem again.
Accompanying drawing explanation
Fig. 1 is three electrode method measuring principle schematic diagram described in the prior art;
The schematic diagram that the measurement that Fig. 2 is stake resistance described in prior art impacts;
Fig. 3 is the structural representation of proving installation described in the utility model.
Reference numeral is as follows:
1-electric current pole inspection box, 2-testing current line, the annular waterproof end plug of 3-first, 4-high-pressure rubber hose, 5-potential pole inspection box, 6-test spool, 7-potential test line, 8-connection terminal, the annular waterproof end plug of 9-second, 10-potential test pole, 11-testing current pole, T1-first through hole, T2-second through hole, T3-third through-hole, T4-fourth hole, T5-fifth hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 3, the utility model provides a kind of earth resistance device for Along Railway acquisition station, comprise: testing current pole 11, potential test pole 10, testing current line 2 and potential test line 7, the connection terminal 8 on described testing current pole 11 is fixedly connected with one end of described testing current line 2; The connection terminal 8 of described potential test pole 10 is fixedly connected with one end of described potential test line 7, and described testing current line 2 and described potential test line 7 are respectively equipped with shielding protector, and described shielding protector is high-pressure rubber hose 4.Described testing current pole 11 and described potential test pole 10 are made up of copper plated steel, described testing current pole 11 is provided with electric current pole inspection box 1, described potential test pole 10 is provided with potential pole inspection box 5, the sidewall of described electric current pole inspection box 1 is provided with the first through hole T1 for derived current p-wire 2 high-pressure rubber hose 4, and the bottom of described electric current pole inspection box 1 is provided with the fifth hole T5 for installing testing current pole 11; The third through-hole T3 that described potential pole inspection box 5 is provided with the second through hole T2 for importing described testing current line 2 high-pressure rubber hose 4 and derives for described testing current line 2 and potential test line 7 simultaneously.The bottom of described potential pole inspection box 5 is provided with the fourth hole T4 for installing potential test pole 10, and described first through hole T1, the second through hole T2 and third through-hole T3 are equipped with the first annular waterproof end plug 3 respectively, and described third through-hole T3 is provided with test spool 6.The second annular waterproof end plug 9 described fourth hole T4 and fifth hole T5 is equipped with respectively; the material of described first annular waterproof end plug 3 and described second annular waterproof end plug 9 is copper; testing current line 11 and potential test line 7 adopt RV multiply copper core electric wire; penetrated by p-wire in high-pressure rubber hose 4 and play a protective role to p-wire, the shielding action of high-pressure rubber hose 4 well eliminates under electromagnetic environment the inductance of p-wire and the coupling influence of electric capacity.Described potential test pole 10, testing current pole 11 all adopt
copper facing rod iron, respectively the length of the 400mm below it is driven underground, ensure that it is imbedded underground and possesses resistance to corrosion, top 100mm is placed in electric current pole inspection box 1 and potential pole inspection box 5, testing current line 2 is connected with testing current electrode 11 and potential test electrode 10 by circular pre insulated terminal 8 respectively with potential test line 7, testing current line 2 and potential test line 7 adopt soldering to carry out soldering with circular pre insulated terminal 8 junction, ensure its current conduction, electric current pole inspection box 1 and potential pole inspection box 5 all adopt stainless steel, be of a size of 270mm × 210mm × 200mm, classification of waterproof is IP56, electric current pole inspection box 1 and potential pole inspection box 5 in the apparatus play relay testing line and test electrode junction, and be convenient to the later stage and check, safeguard the effect of this device, high-pressure rubber hose 4 penetrates inspection box place, M40 first waterproof copper plug 3 is adopted to connect, classification of waterproof is IP56, testing current electrode 11 penetrates the fifth hole T5 at inspection box 1 place, electric current pole, potential test electrode 10 penetrates the fourth hole T4 bottom potential pole inspection box 5, fourth hole T4 adopt the second annular waterproof copper plug 9 of M30 connect, classification of waterproof is IP56.This device entirety is imbedded underground, and the depth of burying is 600mm, the other end of testing current line 2 and potential test line 7 is penetrated acquisition station within doors, is placed in equipotential link case.When staff carries out earth resistance, only other one end of two p-wires need be connected can measure with earth resistance tester, without the need to field wiring, and this p-wire can not be subject to electromagnetic interference (EMI), and test result is more accurate.The utility model can solve each measurement and repeat wiring; and stopped because of site environment cause can not according to standard wiring; testing current line 2 and potential test line 7 pass from high-pressure rubber hose 4; can to testing current line 2 and potential test line 7 from playing a protective role, the shielding action of high-pressure rubber hose 4 well eliminates under electromagnetic environment the inductance of p-wire and the coupling influence of electric capacity.
The utility model is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present utility model, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present utility model.
Claims (7)
1. the earth resistance device for Along Railway acquisition station, comprise: testing current pole (11), potential test pole (10), testing current line (2) and potential test line (7), the connection terminal (8) on described testing current pole (11) is fixedly connected with one end of described testing current line (2); The connection terminal (8) of described potential test pole (10) is fixedly connected with one end of described potential test line (7); it is characterized in that, described testing current line (2) and described potential test line (7) are respectively equipped with shielding protector.
2. the earth resistance device for Along Railway acquisition station according to claim 1, is characterized in that, described shielding protector is high-pressure rubber hose (4).
3. the earth resistance device for Along Railway acquisition station according to claim 1, is characterized in that, described testing current pole (11) and described potential test pole (10) are made up of copper plated steel.
4. the earth resistance device for Along Railway acquisition station according to claim 1,2 or 3, it is characterized in that, described testing current pole (11) is provided with electric current pole inspection box (1), described potential test pole (10) is provided with potential pole inspection box (5).
5. according to claim 4 for the earth resistance device of Along Railway acquisition station, it is characterized in that, the sidewall of described electric current pole inspection box (1) is provided with first through hole (T1) of the high-pressure rubber hose (4) for deriving described testing current line (2), and the bottom of described electric current pole inspection box (1) is provided with the fifth hole (T5) for installing described testing current pole (11); The second through hole (T2) that described potential pole inspection box (5) is provided with the high-pressure rubber hose (4) for importing described testing current line (2) and the third through-hole (T3) of simultaneously deriving for described testing current line (2) and potential test line (7), the bottom of described potential pole inspection box (5) is provided with the fourth hole (T4) for installing described potential test pole (10).
6. according to claim 5 for the earth resistance device of Along Railway acquisition station, it is characterized in that, described first through hole (T1), the second through hole (T2) and third through-hole (T3) are equipped with the first annular waterproof end plug (3) respectively, and described fourth hole (T4) and fifth hole (T5) are equipped with the second annular waterproof end plug (9) respectively.
7. according to claim 6 for the earth resistance device of Along Railway acquisition station, it is characterized in that, the material of described first annular waterproof end plug (3) and described second annular waterproof end plug (9) is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584910.4U CN204177869U (en) | 2014-10-10 | 2014-10-10 | A kind of earth resistance device for Along Railway acquisition station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584910.4U CN204177869U (en) | 2014-10-10 | 2014-10-10 | A kind of earth resistance device for Along Railway acquisition station |
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| Publication Number | Publication Date |
|---|---|
| CN204177869U true CN204177869U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584910.4U Expired - Fee Related CN204177869U (en) | 2014-10-10 | 2014-10-10 | A kind of earth resistance device for Along Railway acquisition station |
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| CN (1) | CN204177869U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913126A (en) * | 2020-06-02 | 2020-11-10 | 神华包神铁路集团有限责任公司 | Insulation pad arcing fault detection method |
-
2014
- 2014-10-10 CN CN201420584910.4U patent/CN204177869U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913126A (en) * | 2020-06-02 | 2020-11-10 | 神华包神铁路集团有限责任公司 | Insulation pad arcing fault detection method |
| CN111913126B (en) * | 2020-06-02 | 2023-03-21 | 神华包神铁路集团有限责任公司 | Insulation pad arcing fault detection method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20181010 |