CN109164340A - A kind of reliable ground device for earthmeter - Google Patents
A kind of reliable ground device for earthmeter Download PDFInfo
- Publication number
- CN109164340A CN109164340A CN201810865388.XA CN201810865388A CN109164340A CN 109164340 A CN109164340 A CN 109164340A CN 201810865388 A CN201810865388 A CN 201810865388A CN 109164340 A CN109164340 A CN 109164340A
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- CN
- China
- Prior art keywords
- earthmeter
- wiring
- folder
- measurement
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Abstract
The present invention provides a kind of reliable ground devices for earthmeter, including ground resistance measuring instrument, potential measurement wiring, current measurement wiring, earthmeter wiring；Plug-in type socket is provided on the ground resistance measuring instrument；The potential measurement wiring, current measurement wiring, earthmeter wiring one end be respectively arranged with measurement plug；The potential measurement wiring, current measurement wiring the other end be provided with circular joint line ear, the other end of the earthmeter wiring is provided with self-tightening active open folder；It further include two grounded probe sticks, and be electrically connected respectively with the circular joint line ear；It further include a down conductor end face, including earthmeter line connecting pin；Earthmeter line connecting pin injects the self-tightening active open and presss from both sides and be connected electrically；Using the technical program can realize improve measurement process convenience and measurement efficiency, guarantee grounded probe stick, down conductor end with measurement line between effectively contacting.
Description
Technical field
The present invention relates to transmission route survey and maintenance technology field, in particular to a kind of being abutted against for earthmeter
Ground device.
Background technique
Measurement of Grounding Resistance is a job very important in transmission line of electricity operation and maintenance, grasps ground resistance in time
Actual conditions, facilitate find lightning protection weak spot, and then can effectively reduce transmission line equipment lightning damage and
Line tripping rate.Therefore, the reliably acquisition of grounding resistance is most important.
The method of measuring rod or tower ground resistance has at present: earthing megohm meter mensuration, digital grounding mensuration and geodetic network
Earthmeter method etc..Wherein in earthing megohm meter mensuration, frequently with traditional ZC-8 type ground resistance measuring instrument and its auxiliary equipment
It measures, but there is some disadvantages, is mainly shown as: 1) finding grounded probe stick and grounding lead during actual measurement
Connection reliability between lower line end and measurement wiring is very poor, since measurement wiring mostly uses crocodile clip and grounded probe stick and connects
The contact of ground downlead end, is deteriorated using its spring performance long afterwards, when the dynamics of clamping is inadequate, it may appear that with grounded probe stick and connect
The case where ground downlead end poor contact, causes the error in measurement, it is difficult to guarantee the reliability of ground resistance measurement numerical value
And accuracy；2) it is easy to appear fatigue damage after crocodile clip is commonly used, even breaks end.And once damage, it will be unable to continue out
Exhibition measurement work.Especially at remote districts, great inconvenience will be brought, causes the waste on human and material resources；3) it surveys at the scene
When amount, influenced sometimes by location such as meadow, weather such as wind-force, and under the influence of external force, crocodile clip can be fallen, and also can
Cause the inconvenience in measurement.Though there is proposition to improve ground connection probe rod in some technologies, it need to be to change grounded probe stick
Structure be cost.In addition, there is a problem of that change difficulty is big due to its material；4) ZC-8 type earthing megohm meter measuring instrument
On wiring pile mostly use screw-fashion, need respectively to screw three measurement lines before measurement and connect.After measurement, and need to distinguish
Unscrew and remove, process is cumbersome.In addition, knob will appear the difficult situation of rotation, give in-site measurement if longer when not having to instrument
Work brings great inconvenience.Therefore, it is aobvious to develop a kind of earth connection measurement plant for connecting reliable, firm and durable, being convenient for measuring
It obtains very significant.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of being abutted against for earthmeter is provided
Ground device improves the convenience and measurement efficiency of measurement process, guarantees between grounded probe stick, down conductor end and measurement line
Effective contact.
In order to solve the above-mentioned technical problems, the present invention provides a kind of reliable ground devices for earthmeter, including
Ground resistance measuring instrument, potential measurement wiring, current measurement wiring, earthmeter wiring；It is set on the ground resistance measuring instrument
It is equipped with plug-in type socket, respectively current potential socket, current socket, grounding receptacle；The potential measurement wiring, current measurement connect
Line, earthmeter wiring one end be respectively arranged with measurement plug, be respectively used to and the current potential socket, current socket, ground connection
Socket electrical connection；The potential measurement wiring, current measurement wiring the other end be provided with circular joint line ear, the ground connection
The other end of measurement wiring is provided with self-tightening active open folder；
It further include two grounded probe sticks, and be electrically connected respectively with the circular joint line ear；The grounded probe stick with
The interconnecting piece of the circular joint line ear is provided with ear card shackle interconnecting piece, and the circular joint line ear with the ear card by unloading
Button interconnecting piece is fixedly connected to realize and be electrically connected with the grounded probe stick；
It further include a down conductor end face, the down conductor end face includes that down conductor and earthmeter line connect
Connect end；Earthmeter line connecting pin injects the self-tightening active open and presss from both sides and be connected electrically；
The ear card shackle interconnecting piece is specially there are two the connector sleeve that cyclization is matched in connection, and the connector sleeve is sheathed on institute
State grounded probe stick；The circular joint line ear has a connection ring；The connection ring and connection are respectively provided with the inside of cyclization
There is screw thread；The connection ring and connection described in two are matched into cyclization coaxial placement, and insertion one has rotation at mandrel wherein
The screw of handle hand realizes that connection ring is matched cyclization and being fixedly connected with connecting with being threadedly engaged to connect by screw, i.e., described ear
Card shackle interconnecting piece is fixedly connected with the circular joint line ear；
Self-tightening active open folder includes upper folder and lower folder, the upper folder and under be clipped in along perpendicular to the upper folder under
Pressing from both sides has certain elasticity on length direction, the end of the upper folder and lower folder is specially arcuation inlet outside oblique angle；It is described to connect
When ground measurement line connecting pin is not inserted into self-tightening active open folder, arcuation inlet is mutual outside the oblique angle of the upper and lower clamp clip
It abuts, the self-tightening active open folder is in closed state；
When self-tightening active open folder is inserted into earthmeter line connecting pin, arcuation is led outside oblique angle described in two
Enter end to move along opposite direction respectively, the self-tightening active open folder opens, and the self-tightening active open folder opens, described to connect
The outer surface that ground measures line connecting pin abuts the upper folder and lower folder, and is clamped by the upper folder and lower folder.
In a preferred embodiment, the measurement plug is specially lantern measurement plug.
Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that
The present invention provides a kind of reliable ground devices for earthmeter, pass through measurement plug and plug-in type socket
Connection and, connection ring and connection with cyclization and the connection of screw and self-tightening active open folder be grounded resistance measuring instrument,
Grounded probe stick and down conductor end face are reliably connected；Easy-to-connect, process are simple；Present apparatus firm and durable, ensure that
Effective contact between ground resistance measuring instrument, grounded probe stick and down conductor end face, improves the convenience of measurement process
Property and measurement efficiency, it is ensured that ground resistance measures the reliability and accuracy of numerical value, is ground connection and the Thunder Protection of bar or steel tower
Data foundation is provided, judges whether ground connection meets the requirements in time convenient for survey crew.
Detailed description of the invention
Fig. 1 is in the preferred embodiment of the present invention for ground resistance measuring instrument structure in the reliable ground device of earthmeter
Schematic diagram；
Ground resistance measuring instrument pulls out in reliable ground device of the Fig. 2 to be used for earthmeter in the preferred embodiment of the present invention
Insert formula socket distribution schematic diagram；
Fig. 3 is to show in the preferred embodiment of the present invention for potential measurement wiring construction in the reliable ground device of earthmeter
It is intended to；
Fig. 4 is to show in the preferred embodiment of the present invention for earthmeter wiring construction in the reliable ground device of earthmeter
It is intended to；
Fig. 5 is in the preferred embodiment of the present invention for measurement plug construction signal in the reliable ground device of earthmeter
Figure；
Fig. 6 is to show in the preferred embodiment of the present invention for circular joint line ear structure in the reliable ground device of earthmeter
It is intended to；
Fig. 7 is in the preferred embodiment of the present invention for self-tightening active open clamping structure in the reliable ground device of earthmeter
Schematic diagram；
Fig. 8 is in the preferred embodiment of the present invention for grounded probe stick structural representation in the reliable ground device of earthmeter
Figure；
Fig. 9 is the reliable ground device middle ear card shackle interconnecting piece structure that earthmeter is used in the preferred embodiment of the present invention
Schematic diagram；
Figure 10 is in the preferred embodiment of the present invention for down conductor end face knot in the reliable ground device of earthmeter
Structure schematic diagram；
Figure 11 is to connect in the preferred embodiment of the present invention for self-tightening active open folder in the reliable ground device of earthmeter
Connect status diagram；
Figure 12 be the preferred embodiment of the present invention in for earthmeter reliable ground device in potential measurement wiring with connect
Ground measures wiring connection status diagram.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of reliable ground device for earthmeter includes ground resistance measuring instrument, potential measurement referring to figs. 1 to 12
Wiring 21, current measurement wiring, earthmeter wiring 22；In the present embodiment, the ground resistance measuring instrument used is specially ZC-
8 type ground resistance measuring instruments 1 can also use the ground resistance measuring instrument of other models, belong to equivalent replacement, cannot be limited with this
Determine protection scope of the present invention；Plug-in type socket, respectively current potential socket are provided on the ZC-8 type ground resistance measuring instrument 1
11, current socket 12, grounding receptacle 13；One end of the potential measurement wiring 21, current measurement wiring, earthmeter wiring 22
It is respectively arranged with measurement plug 211, is respectively used to be electrically connected with the current potential socket 11, current socket 12, grounding receptacle 13；?
In the present embodiment, the measurement plug 211 is specially that lantern measures plug 211.The potential measurement wiring 21, current measurement connect
The other end of line is provided with circular joint line ear 212, and the other end of the earthmeter wiring 22 is provided with self-tightening activity and opens
Mouth folder 222；Since potential measurement wiring 21 is identical as the structure of current measurement wiring, so being illustrated only in Figure of description
Potential measurement connects the structure of electricity 21.
Further include two grounded probe sticks 3, and is electrically connected respectively with the circular joint line ear 212；The grounded probe
The interconnecting piece of stick 3 and the circular joint line ear 212 is provided with ear card shackle interconnecting piece 31, and the circular joint line ear 212 is logical
It crosses and is fixedly connected to realize and be electrically connected with the grounded probe stick 3 with the ear card shackle interconnecting piece 31；The current potential described in this way
Completion is just connect measure wiring 21 with circuit measuring wiring, specifically, the potential measurement wiring 21 and circuit measuring wiring
Both ends be separately connected the ZC-8 type ground resistance measuring instrument 1 and grounded probe stick 3.
Specifically, the ear card shackle interconnecting piece 31 is specially the connector sleeve there are two connection with cyclization 311, described
Connector sleeve is sheathed on the grounded probe stick 3；The circular joint line ear 212 has a connection ring 2121；The connection ring
2121 and connection with the inside of cyclization 311 be provided with screw thread；Cyclization is matched into connection described in the connection ring 2121 and two
311 coaxial placements, and at wherein mandrel insertion one have rotating handles 321 screw 32, by screw 32 be threadedly engaged
Connection realizes that connection ring 2121 is matched cyclization 311 and being fixedly connected with connect, i.e., the described ear card shackle interconnecting piece 31 and the circle
Joint line ear 212 is fixedly connected, and thus realizes the potential measurement wiring 21 and circuit measuring wiring and grounded probe stick 3
Secured connection, and dismantle it is also simple and convenient, screw 32 is back-outed into connection ring 2121 by rotating handles 321 and is matched with connection
Cyclization 311.
Reliable ground device provided by the present invention for earthmeter further includes a down conductor end face 4, described to connect
Ground downlead end face 4 includes down conductor 42 and earthmeter line connecting pin 41；Earthmeter line connecting pin 41 is injected
The self-tightening active open folder 222 is simultaneously connected electrically.
Specifically, self-tightening active open folder 222 includes upper folder 2221 and lower folder 2222, the upper folder 2221 and under
Folder 2222 along perpendicular to it is described it is upper folder 2221 with 2222 length directions of lower folder on have certain elasticity, it is described it is upper press from both sides 2221 and
The end of lower folder 2222 is specially arcuation inlet 2220 outside oblique angle；Earthmeter line connecting pin 41 is not inserted into the self-tightening
Active open folder 222 when, it is described it is upper folder 2221 with it is lower folder 2222 oblique angle outside arcuation inlet 2220 mutually abut, it is described oneself
Tight active open folder 222 is in closed state.
When self-tightening active open folder 222 are inserted into earthmeter line connecting pin 41, outside oblique angle described in two
Arcuation inlet 2220 is moved along opposite direction respectively, and the self-tightening active open folder 222 opens, and the self-tightening activity is opened
Mouthful folder 222 opens, and the outer surface of earthmeter line connecting pin 41 abuts the upper folder 2221 and lower folder 2222, and described
Upper folder 2221 and lower folder 2222 clamp.
In this way by measurement plug 211 and plug-in type socket connection and, connection ring 2121 and connection with cyclization 311 with
The connection of screw 32 and self-tightening active open folder 222 realize ZC-8 type ground resistance measuring instrument 1, grounded probe stick 3 and ground connection
Downlead end face 4 is reliably connected；Easy-to-connect, process are simple；Present apparatus firm and durable ensure that ZC-8 type ground resistance is surveyed
Effective contact between instrument 1, grounded probe stick 3 and down conductor end face 4 is measured, convenience and the measurement of measurement process are improved
Efficiency, it is ensured that ground resistance measures the reliability and accuracy of numerical value, provides data for the ground connection of bar or steel tower and Thunder Protection
Foundation judges whether ground connection meets the requirements convenient for survey crew in time.
The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this,
Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non-
Substantive change belongs to the behavior for invading the scope of the present invention.
Claims (2)
1. a kind of reliable ground device for earthmeter, it is characterised in that connect including ground resistance measuring instrument, potential measurement
Line, current measurement wiring, earthmeter wiring；Plug-in type socket, respectively current potential are provided on the ground resistance measuring instrument
Socket, current socket, grounding receptacle；The potential measurement wiring, current measurement wiring, earthmeter wiring one end set respectively
It is equipped with measurement plug, is respectively used to be electrically connected with the current potential socket, current socket, grounding receptacle；The potential measurement wiring,
The other end of current measurement wiring is provided with circular joint line ear, and it is living that the other end of the earthmeter wiring is provided with self-tightening
Dynamic opening folder；
It further include two grounded probe sticks, and be electrically connected respectively with the circular joint line ear；The grounded probe stick with it is described
The interconnecting piece of circular joint line ear is provided with ear card shackle interconnecting piece, and the circular joint line ear with the ear card shackle by connecting
Socket part is fixedly connected to realize and be electrically connected with the grounded probe stick；
It further include a down conductor end face, the down conductor end face includes down conductor and the connection of earthmeter line
End；Earthmeter line connecting pin injects the self-tightening active open and presss from both sides and be connected electrically；
The ear card shackle interconnecting piece is specially there are two the connector sleeve that cyclization is matched in connection, and the connector sleeve is sheathed on described connect
Ground probe rod；The circular joint line ear has a connection ring；The inside that cyclization is matched in the connection ring and connection is provided with spiral shell
Line；The connection ring and connection described in two are matched into cyclization coaxial placement, and insertion one has rotation handle at mandrel wherein
The screw of hand realizes that connection ring is matched cyclization and being fixedly connected with connecting with being threadedly engaged to connect by screw, i.e., the described ear card unloads
Button interconnecting piece is fixedly connected with the circular joint line ear；
Self-tightening active open folder includes upper folder and lower folder, the upper folder and under be clipped in along long perpendicular to the upper and lower clamp clip
Spending has certain elasticity on direction, the end of the upper folder and lower folder is specially arcuation inlet outside oblique angle；The ground measuring
When amount line connecting pin is not inserted into self-tightening active open folder, arcuation inlet is mutually supported outside the oblique angle of the upper and lower clamp clip
It connects, the self-tightening active open folder is in closed state；
When self-tightening active open folder is inserted into earthmeter line connecting pin, arcuation inlet outside oblique angle described in two
It is moved respectively along opposite direction, the self-tightening active open folder opens, and the self-tightening active open folder opens, the ground measuring
The outer surface for measuring line connecting pin abuts the upper folder and lower folder, and is clamped by the upper folder and lower folder.
2. the reliable ground device according to claim 1 for earthmeter, which is characterized in that the measurement plug tool
Body is that lantern measures plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865388.XA CN109164340A (en) | 2018-08-01 | 2018-08-01 | A kind of reliable ground device for earthmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865388.XA CN109164340A (en) | 2018-08-01 | 2018-08-01 | A kind of reliable ground device for earthmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109164340A true CN109164340A (en) | 2019-01-08 |
Family
ID=64898658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810865388.XA Pending CN109164340A (en) | 2018-08-01 | 2018-08-01 | A kind of reliable ground device for earthmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109164340A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092843A (en) * | 2021-04-06 | 2021-07-09 | 广东电网有限责任公司 | Pressure plate voltage measuring device |
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Application publication date: 20190108 |