CN109116118A - A kind of earth-continuity self-operated measuring unit and its application method - Google Patents
A kind of earth-continuity self-operated measuring unit and its application method Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
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Abstract
The invention discloses a kind of earth-continuity self-operated measuring unit and its application methods, device includes continuity test module, RFID control unit and control unit, continuity test module includes battery, voltage detection module and current detection module, voltage detection module is connected in parallel on the output end of battery, current detection module is connected on the output end of battery, the output end of battery is connected separately with voltage tester line and testing current line, RFID wireless sensor is connected in RFID control unit, control unit includes central control module, data memory module and display module；Application method includes for carrying out earth-continuity automatic measurement.The present invention can be realized automatically recording data and analyzing conducting resistance variation tendency in real time for earth-continuity automatic measurement, improve testing efficiency and accuracy, manpower-free's data record, for solving the problems of current earth mat continuity test.
Description
Technical field
The present invention relates to the grounded screen measuring techniques of electric system, and in particular to a kind of earth-continuity self-operated measuring unit and
Its application method, the earth-continuity suitable for large-scale grounding networks such as substation, power plants measure, which can automatically record entirely
The test result of plant stand, without manual intervention record measurement test data.
Background technique
Substation, power plant, chemical plant and heavy construction etc. are all laid with large-scale grounding network, and are connected with plant stand facility
It connects, to prevent the harm of thunder and lightning and overvoltage, so that it is guaranteed that equipment and personal safety, therefore, the health status pair of grounded screen
It is most important in guarantee equipment and personal safety, it is necessary to periodically to be detected.Grounded screen conducting resistance is as weighing device and ground
One of the important evidence of net connection state, power industry require necessary periodic measurement Earth-continuity, such as State Grid Corporation of China
It is required that Earth-continuity measurement is carried out to 110kV and above substation before annual thunderstorm season, to prevent equipment
Downlead corrodes and leading to connect not smooth, more long for operation time limit substation with main grounding grid also needs periodically to excavate
It checks, to check the corrosion condition of down conductor and main grounding grid.Currently, earth mat conducting resistance test frequently with voltammetry into
Row often requires manual intervention and carries out test data record, but since installations and facilities down conductor each in substation is more, causes
Measuring point is numerous, and the not easy-to-use accurate language description of data recording process, causes manual record data time and effort consuming, to live O&M
Personnel cause huge workload.Further, since tester, test position and data record method and format are lack of standardization
Deng influence, cause each measurement result that can not carry out effective comparative analysis with historical data, be unfavorable for grasping each measuring point electric conduction
The variation tendency of resistance can not grasp grounded screen health status in time.
Summary of the invention
The technical problem to be solved in the present invention: in view of the above problems in the prior art, a kind of earth-continuity is provided and is surveyed automatically
Device and its application method are measured, the present invention can be realized automatically recording data and analyzing conducting in real time for earth-continuity automatic measurement
Resistance variations trend, improves testing efficiency and accuracy, manpower-free's data record are deposited for solving current earth mat continuity test
The problem of.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of earth-continuity self-operated measuring unit, including continuity test module, RFID control unit and control unit, the conducting
Test module includes battery, voltage detection module and current detection module, and the voltage detection module is connected in parallel on battery
Output end, the current detection module are connected on the output end of battery, and the output end of the battery is connected separately with voltage
P-wire and testing current line, are connected with RFID wireless sensor in the RFID control unit, during described control unit includes
Entreat control module, data memory module and display module, the central control module respectively with voltage detection module, current detecting
Module, RFID control unit, data memory module and display module are connected.
Preferably, described control unit further includes data transmission interface module, the data transmission interface module and center
Control module is connected.
The present invention also provides a kind of application method of earth-continuity self-operated measuring unit, implementation steps include:
1) there is the electronic tag of unique encodings to every equipment installation of substation to be measured or power plant high voltage station, it is described
Title and number of the information containing equipment in electronic tag；
2) earth-continuity that judgement currently carries out tests whether it is to measure for the first time, then jumps execution step 3) if it is first measurement
To carry out the selection link of the reference point before continuity test；Otherwise, execution step 6) is jumped；
3) equipment is selected as current device in substation to be measured or power plant high voltage station, first determine whether current device
It whether is that the corresponding equipment of preset reference point then uses if it is confirmed that current device is the corresponding equipment of preset reference point
RFID wireless sensor scans the electronic tag of current device, and control unit obtains scanning in the electronic tag of current device
Information storage shows output to data memory module and by display module, then jumps and executes step 4) to carry out conducting survey
Examination；If it is confirmed that current device is not the corresponding equipment of preset reference point, then choose that preset reference point is corresponding to be set again
It is standby, jump execution step 3)；
4) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
5) testing current line is connected on the corresponding equipment ground downlead of selected reference point, is connected to voltage tester line
On current equipment under test down conductor, the output valve for reading voltage detection module and current detection module by control unit is complete
It is measured at an earth-continuity, and measures the accuracy of confirmation earth-continuity measurement result by multiple earth-continuity, then made
The electronic tag that current equipment under test is scanned with RFID wireless sensor will read the electronic tag of obtained current equipment under test
Earth-continuity measurement result after information, confirmation accuracy is stored to data memory module；Then judge whether that traversal finishes, such as
Fruit not yet traverses and finishes, then traverses and select next equipment as current equipment under test, jump and re-execute the steps 5)；Otherwise sentence
It is fixed to have completed whole earth-continuity measurements, jump execution step 9)；
6) using the equipment in the RFID wireless sensor specified region of barcode scanning substation to be measured or power plant high voltage station one by one
Electronic tag, the history reference that will be stored in scanning obtained electronic labeling information and data memory module by control unit
Point is matched, and jumps execution step 7) if finding history reference point；Otherwise, RFID wireless sensor is continued to use one by one
The electronic tag of the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station and the electronics for obtaining scanning
The history reference point stored in label information and data memory module is matched；
7) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
8) testing current line is connected on the corresponding equipment ground downlead of selected reference point, is connected to voltage tester line
On current equipment under test down conductor, the output valve for reading voltage detection module and current detection module by control unit is complete
It is measured at an earth-continuity, and measures the accuracy of confirmation earth-continuity measurement result by multiple earth-continuity, then made
The electronic tag that current equipment under test is scanned with RFID wireless sensor will read the electronic tag of obtained current equipment under test
Earth-continuity measurement result after information, confirmation accuracy is stored to data memory module；Then judge whether that traversal finishes, such as
Fruit not yet traverses and finishes, then traverses and select next equipment as current equipment under test, jump and re-execute the steps 5)；Otherwise sentence
It is fixed to have completed whole earth-continuity measurements, jump execution step 9)；
9) the opposite grounded screen conducting resistance variation comparing result and change curve for referring to point device of each equipment is generated.
The present invention also provides a kind of application method of earth-continuity self-operated measuring unit, implementation steps include:
S1) there is the electronic tag of unique encodings, institute to every equipment installation of substation to be measured or power plant high voltage station
State title and number of the information in electronic tag containing equipment；By substation to be measured or the equipment region of power plant high voltage station
It is divided into N number of region, so that the connect grounded screen of lead is identical under the ground connection of the equipment of same area；
S2) traversal selects an equipment region as current region from N number of region；
S3 it) is directed to current region, judges the earth-continuity currently carried out tests whether it is to measure for the first time, then if it is first measurement
Jump and execute step S4) to carry out the selection link of the reference point before continuity test；Otherwise, it jumps and executes step S7)；
S4 it) is directed to current region, an equipment is selected as current device, first determines whether current device is preset reference
The corresponding equipment of point is then swept using RFID wireless sensor if it is confirmed that current device is the corresponding equipment of preset reference point
The electronic tag of current device is retouched, scanning is obtained the storage of the information in the electronic tag of current device and deposited to data by control unit
It stores up module and is shown by display module and exported, then jump and execute step 4) to carry out continuity test；If it is confirmed that currently setting
Standby is not the corresponding equipment of preset reference point, then chooses the corresponding equipment of preset reference point again, jump execution step 3)；
S5) for the other equipment in current region in addition to the corresponding equipment of reference point, traversal selects an equipment as working as
Preceding equipment under test；
S6) testing current line is connected on the corresponding equipment ground downlead of selected reference point, connects voltage tester line
On current equipment under test down conductor, the output valve of voltage detection module and current detection module is read by control unit
An earth-continuity measurement is completed, and measures the accuracy of confirmation earth-continuity measurement result by multiple earth-continuity, then
The electronic tag that current equipment under test is scanned using RFID wireless sensor will read the electronics mark of obtained current equipment under test
Earth-continuity measurement result after signing information, confirmation accuracy is stored to data memory module；Then judge whether that traversal finishes,
If not yet traversal finishes, traverse and select next equipment as current equipment under test, jump and re-execute the steps S6)；It is no
Then determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S7) using the equipment in the RFID wireless sensor specified region of barcode scanning substation to be measured or power plant high voltage station one by one
Electronic tag, the history reference that will be stored in scanning obtained electronic labeling information and data memory module by control unit
Point is matched, and jumps execution step 7) if finding history reference point；Otherwise, RFID wireless sensor is continued to use one by one
The electronic tag of the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station and the electronics for obtaining scanning
The history reference point stored in label information and data memory module is matched；
S8 other equipment of the current region in addition to the corresponding equipment of reference point) are directed to, traversal selects an equipment as current
Equipment under test；
S9) testing current line is connected on the corresponding equipment ground downlead of selected reference point, connects voltage tester line
On current equipment under test down conductor, the output valve of voltage detection module and current detection module is read by control unit
An earth-continuity measurement is completed, and measures the accuracy of confirmation earth-continuity measurement result by multiple earth-continuity, then
The electronic tag that current equipment under test is scanned using RFID wireless sensor will read the electronics mark of obtained current equipment under test
Earth-continuity measurement result after signing information, confirmation accuracy is stored to data memory module；Then judge whether that traversal finishes,
If not yet traversal finishes, traverse and select next equipment as current equipment under test, jump and re-execute the steps S6)；It is no
Then determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S10) generate for the opposite grounded screen conducting resistance variation comparing result for referring to point device of each equipment of current region with
And change curve；
S11) judge whether N number of region of substation or power plant high voltage station to be measured has stepped through to finish, if not yet time
It goes through and finishes, then jump and execute step S2)；Otherwise, terminate and exit.
Compared to the prior art, apparatus of the present invention have an advantage that apparatus of the present invention using Radio Frequency Identification Technology
(RFID) each equipment downlead of substation is identified using electronic tag, realizes that electronic tag and equipment downlead are uniquely right
It answers, tag recognition and continuity test is realized using wireless sensor and continuity test unit, to be grounded continuity test position
Set and automatically recording and storing with test value, can be realized earth-continuity automatic measurement automatically record data and analysis in real time is led
Logical resistance variations trend, improves testing efficiency and accuracy, manpower-free's data record, for solving current earth mat continuity test institute
There are the problem of.The application method of earth-continuity self-operated measuring unit of the present invention can carry out trend analysis to the data of test,
Entire test process is recorded without artificial data, and can be realized earth-continuity automatic measurement automatically records data and in real time analysis
Conducting resistance variation tendency improves testing efficiency and accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention one.
Fig. 2 is the structural schematic diagram of continuity test module in the embodiment of the present invention one.
Fig. 3 is the flow diagram of one device application method of the embodiment of the present invention.
Fig. 4 is that the grounded screen conducting resistance of the embodiment of the present invention one changes comparing result figure.
Fig. 5 is the grounded screen conducting resistance change curve of one some equipment of the embodiment of the present invention.
Marginal data: 1, continuity test module；11, battery；111, voltage tester line；112, testing current line；12, electric
Press detection module；13, current detection module；2, RFID control unit；21, RFID wireless sensor；3, control unit；31, in
Entreat control module；32, data memory module；33, display module；34, data transmission interface module.
Specific embodiment
Embodiment one:
As depicted in figs. 1 and 2, the earth-continuity self-operated measuring unit of the present embodiment includes continuity test module 1, RFID control list
Member 2 and control unit 3, continuity test module 1 include battery 11, voltage detection module 12 and current detection module 13, voltage
Detection module 12 is connected in parallel on the output end of battery 11, and current detection module 13 is connected on the output end of battery 11, battery
11 output end is connected separately with voltage tester line 111 and testing current line 112, be connected in RFID control unit 2 RFID without
Line sensor 21, control unit 3 include central control module 31, data memory module 32 and display module 33, center control mould
Block 31 respectively with voltage detection module 12, current detection module 13, RFID control unit 2, data memory module 32 and display
Module 33 is connected.
As shown in Figure 1, control unit 3 further includes data transmission interface module 34, data transmission interface module 34 and center
Control module 31 is connected.
As shown in Fig. 2, the implementation steps of the application method of the present embodiment earth-continuity self-operated measuring unit include:
1) there is the electronic tag of unique encodings, electronics to every equipment installation of substation to be measured or power plant high voltage station
Title and number of the information containing equipment in label；
2) earth-continuity that judgement currently carries out tests whether it is to measure for the first time, then jumps execution step 3) if it is first measurement
To carry out the selection link of the reference point before continuity test；Otherwise, execution step 6) is jumped；
3) equipment is selected as current device in substation to be measured or power plant high voltage station, first determine whether current device
It whether is that the corresponding equipment of preset reference point then uses if it is confirmed that current device is the corresponding equipment of preset reference point
RFID control unit 2 scans the electronic tag of current device, and control unit 3 obtains scanning in the electronic tag of current device
Then information storage jumps to data memory module 32 and by the display output of display module 33 and executes step 4) to be connected
Test；If it is confirmed that current device is not the corresponding equipment of preset reference point, then it is corresponding that preset reference point is chosen again
Equipment jumps execution step 3)；
4) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
5) testing current line 112 is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line 111
It is connected on current equipment under test down conductor, voltage detection module 12 and current detection module is read by control unit 3
13 output valve completes an earth-continuity measurement, and the standard of confirmation earth-continuity measurement result is measured by multiple earth-continuity
Then true property scans the electronic tag of current equipment under test using RFID wireless sensor 21, will read obtain current and be tested
The electronic labeling information of equipment confirms that the earth-continuity measurement result after accuracy is stored to data memory module 32；Then sentence
Disconnected whether traverse finishes, if not yet traversal finishes, traverses and selects next equipment as current equipment under test, jump again
Execute step 5)；Otherwise determine to have completed whole earth-continuity measurements, jump execution step 9)；
6) using RFID wireless sensor 21, the specified region of barcode scanning substation to be measured or power plant high voltage station is set one by one
Standby electronic tag is gone through by control unit 3 by what is stored in scanning obtained electronic labeling information and data memory module 32
History reference point is matched, and jumps execution step 7) if finding history reference point；Otherwise, RFID wireless sensing is continued to use
Device 21 electronic tag of the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station and will scan one by one
To electronic labeling information and data memory module 32 in the history reference point that stores matched；
7) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
8) testing current line 112 is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line 111
It is connected on current equipment under test down conductor, voltage detection module 12 and current detection module is read by control unit 3
13 output valve completes an earth-continuity measurement, and the standard of confirmation earth-continuity measurement result is measured by multiple earth-continuity
Then true property scans the electronic tag of current equipment under test using RFID wireless sensor 21, will read obtain current and be tested
The electronic labeling information of equipment confirms that the earth-continuity measurement result after accuracy is stored to data memory module 32；Then sentence
Disconnected whether traverse finishes, if not yet traversal finishes, traverses and selects next equipment as current equipment under test, jump again
Execute step 5)；Otherwise determine to have completed whole earth-continuity measurements, jump execution step 9)；
9) the opposite grounded screen conducting resistance variation comparing result and change curve for referring to point device of each equipment is generated.
In the present embodiment, the opposite grounded screen conducting resistance variation comparing result such as Fig. 4 institute for referring to point device of each equipment
Show, wherein label 1~10 is respectively referred to for different equipment, the corresponding equipment of label 2~5 use the corresponding equipment of label 1 as
Reference point, the corresponding equipment of label 7~10 is as a reference point using the corresponding equipment of label 6, by or not dat recorder
Test value can understand the situation of change for reflecting grounded screen conducting resistance.On this basis, the opposite ginseng of some equipment is ultimately generated
Shown in specific Fig. 5 of grounded screen conducting resistance change curve of examination point equipment, so as to intuitively obtain grounded screen conducting resistance
Situation of change.
Embodiment two:
The present embodiment is basically the same as the first embodiment, main distinction point are as follows: the substation of embodiment one or power plant high voltage station
Area it is relatively small, and the present embodiment is particular for the biggish substation of area or power plant high voltage station.When substation or hair
When the area of power plant's booster stations is larger, according to the difference of the connect grounded screen of lead under the ground connection of equipment, by substation or power plant
The region of booster stations can be divided into N number of region (assuming that there is M platform equipment in each region), so that under the ground connection of the equipment of same area
The connect grounded screen of lead is identical.It is assumed that N number of region is respectively provided with independent grounded screen, then needs to repeat n times selection reference point, press
M-1 continuity test step is repeated according to step 4, one is obtained N × (M-1) a test result.
The implementation steps of the application method of earth-continuity self-operated measuring unit include: in the present embodiment
S1) there is the electronic tag of unique encodings, electricity to every equipment installation of substation to be measured or power plant high voltage station
Title and number of the information containing equipment in subtab；The equipment region of substation to be measured or power plant high voltage station is divided
For N number of region, so that the connect grounded screen of lead is identical under the ground connection of the equipment of same area；
S2) traversal selects an equipment region as current region from N number of region；
S3 it) is directed to current region, judges the earth-continuity currently carried out tests whether it is to measure for the first time, then if it is first measurement
Jump and execute step S4) to carry out the selection link of the reference point before continuity test；Otherwise, it jumps and executes step S7)；
S4 it) is directed to current region, an equipment is selected as current device, first determines whether current device is preset reference
The corresponding equipment of point then uses RFID wireless sensor 21 if it is confirmed that current device is the corresponding equipment of preset reference point
The electronic tag of current device is scanned, scanning is obtained the storage of the information in the electronic tag of current device to number by control unit 3
According to memory module 32 and by the display output of display module 33, then jumps and execute step 4) to carry out continuity test；If really
Recognizing current device not is the corresponding equipment of preset reference point, then chooses the corresponding equipment of preset reference point again, jump and hold
Row step 3)；
S5) for the other equipment in current region in addition to the corresponding equipment of reference point, traversal selects an equipment as working as
Preceding equipment under test；
S6) testing current line 112 is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
111 are connected on current equipment under test down conductor, read voltage detection module 12 and current detecting mould by control unit 3
The output valve of block 13 completes an earth-continuity measurement, and measures confirmation earth-continuity measurement result by multiple earth-continuity
Then accuracy scans the electronic tag of current equipment under test using RFID wireless sensor 21, the currently quilt that reading is obtained
The electronic labeling information of measurement equipment confirms that the earth-continuity measurement result after accuracy is stored to data memory module 32；Then
Judge whether that traversal finishes, if not yet traversal finishes, traverses and select next equipment as current equipment under test, jump weight
It is new to execute step S6)；Otherwise determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S7) using RFID wireless sensor 21, the specified region of barcode scanning substation to be measured or power plant high voltage station is set one by one
Standby electronic tag is gone through by control unit 3 by what is stored in scanning obtained electronic labeling information and data memory module 32
History reference point is matched, and jumps execution step 7) if finding history reference point；Otherwise, RFID wireless sensing is continued to use
Device 21 electronic tag of the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station and will scan one by one
To electronic labeling information and data memory module 32 in the history reference point that stores matched；
S8 other equipment of the current region in addition to the corresponding equipment of reference point) are directed to, traversal selects an equipment as current
Equipment under test；
S9) testing current line 112 is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
111 are connected on current equipment under test down conductor, read voltage detection module 12 and current detecting mould by control unit 3
The output valve of block 13 completes an earth-continuity measurement, and measures confirmation earth-continuity measurement result by multiple earth-continuity
Then accuracy scans the electronic tag of current equipment under test using RFID wireless sensor 21, the currently quilt that reading is obtained
The electronic labeling information of measurement equipment confirms that the earth-continuity measurement result after accuracy is stored to data memory module 32；Then
Judge whether that traversal finishes, if not yet traversal finishes, traverses and select next equipment as current equipment under test, jump weight
It is new to execute step S6)；Otherwise determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S10) generate for the opposite grounded screen conducting resistance variation comparing result for referring to point device of each equipment of current region with
And change curve；
S11) judge whether N number of region of substation or power plant high voltage station to be measured has stepped through to finish, if not yet time
It goes through and finishes, then jump and execute step S2)；Otherwise, terminate and exit.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of earth-continuity self-operated measuring unit, it is characterised in that: including continuity test module (1), RFID control unit (2)
With control unit (3), the continuity test module (1) includes battery (11), voltage detection module (12) and current detecting mould
Block (13), the voltage detection module (12) are connected in parallel on the output end of battery (11), current detection module (13) series connection
Output end in battery (11), the output end of the battery (11) is connected separately with voltage tester line (111) and electric current is surveyed
It tries line (112), is connected with RFID wireless sensor (21) on the RFID control unit (2), during described control unit (3) includes
Entreat control module (31), data memory module (32) and display module (33), the central control module (31) respectively with voltage
Detection module (12), current detection module (13), RFID control unit (2), data memory module (32) and display module
(33) it is connected.
2. earth-continuity self-operated measuring unit according to claim 1, it is characterised in that: described control unit (3) is also wrapped
It includes data transmission interface module (34), the data transmission interface module (34) is connected with central control module (31).
3. the application method of earth-continuity self-operated measuring unit according to claim 1 or claim 2, it is characterized in that implementation steps packet
It includes:
1) there is the electronic tag of unique encodings to every equipment installation of substation to be measured or power plant high voltage station, it is described
Title and number of the information containing equipment in electronic tag；
2) earth-continuity that judgement currently carries out tests whether it is to measure for the first time, then jumps execution step 3) if it is first measurement
To carry out the selection link of the reference point before continuity test；Otherwise, execution step 6) is jumped；
3) equipment is selected as current device in substation to be measured or power plant high voltage station, first determine whether current device
It whether is that the corresponding equipment of preset reference point then uses if it is confirmed that current device is the corresponding equipment of preset reference point
RFID wireless sensor (21) scans the electronic tag of current device, and scanning is obtained the electronics of current device by control unit (3)
Then information storage in label jumps execution step to data memory module (32) and by display module (33) display output
4) to carry out continuity test；If it is confirmed that current device is not the corresponding equipment of preset reference point, then choose again preset
The corresponding equipment of reference point, jumps execution step 3)；
4) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
5) testing current line (112) is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
(111) it is connected on current equipment under test down conductor, reads voltage detection module (12) and electric current by control unit (3)
The output valve of detection module (13) completes an earth-continuity measurement, and is surveyed by multiple earth-continuity measurement confirmation earth-continuity
The accuracy of result is measured, the electronic tag of current equipment under test is then scanned using RFID wireless sensor (21), will be read
The electronic labeling information of the current equipment under test arrived confirms that the earth-continuity measurement result storage after accuracy stores mould to data
Block (32)；Then judge whether that traversal finishes, if not yet traversal finishes, traverse and select next equipment as current tested
Equipment is jumped and is re-execute the steps 5)；Otherwise determine to have completed whole earth-continuity measurements, jump execution step 9)；
6) using RFID wireless sensor (21) the specified region of barcode scanning substation to be measured or power plant high voltage station one by one
The electronic tag of equipment will be scanned in obtained electronic labeling information and data memory module (32) by control unit (3) and be deposited
The history reference point of storage is matched, and jumps execution step 7) if finding history reference point；Otherwise, continue to use RFID without
Line sensor (21) one by one the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station electronic tag simultaneously
The middle history reference point stored of electronic labeling information and data memory module (32) that scanning obtains is matched；
7) for the other equipment in substation to be measured or power plant high voltage station in addition to the corresponding equipment of reference point, traversal
Select an equipment as current equipment under test；
8) testing current line (112) is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
(111) it is connected on current equipment under test down conductor, reads voltage detection module (12) and electric current by control unit (3)
The output valve of detection module (13) completes an earth-continuity measurement, and is surveyed by multiple earth-continuity measurement confirmation earth-continuity
The accuracy of result is measured, the electronic tag of current equipment under test is then scanned using RFID wireless sensor (21), will be read
The electronic labeling information of the current equipment under test arrived confirms that the earth-continuity measurement result storage after accuracy stores mould to data
Block (32)；Then judge whether that traversal finishes, if not yet traversal finishes, traverse and select next equipment as current tested
Equipment is jumped and is re-execute the steps 5)；Otherwise determine to have completed whole earth-continuity measurements, jump execution step 9)；
9) the opposite grounded screen conducting resistance variation comparing result and change curve for referring to point device of each equipment is generated.
4. the application method of earth-continuity self-operated measuring unit according to claim 1 or claim 2, it is characterized in that implementation steps packet
It includes:
S1) there is the electronic tag of unique encodings, institute to every equipment installation of substation to be measured or power plant high voltage station
State title and number of the information in electronic tag containing equipment；By substation to be measured or the equipment region of power plant high voltage station
It is divided into N number of region, so that the connect grounded screen of lead is identical under the ground connection of the equipment of same area；
S2) traversal selects an equipment region as current region from N number of region；
S3 it) is directed to current region, judges the earth-continuity currently carried out tests whether it is to measure for the first time, then if it is first measurement
Jump and execute step S4) to carry out the selection link of the reference point before continuity test；Otherwise, it jumps and executes step S7)；
S4 it) is directed to current region, an equipment is selected as current device, first determines whether current device is preset reference
The corresponding equipment of point then uses RFID wireless sensor if it is confirmed that current device is the corresponding equipment of preset reference point
(21) electronic tag of current device is scanned, scanning is obtained the information in the electronic tag of current device and deposited by control unit (3)
It stores up data memory module (32) and is exported by display module (33) display, then jump and execute step 4) to carry out conducting survey
Examination；If it is confirmed that current device is not the corresponding equipment of preset reference point, then choose that preset reference point is corresponding to be set again
It is standby, jump execution step 3)；
S5) for the other equipment in current region in addition to the corresponding equipment of reference point, traversal selects an equipment as working as
Preceding equipment under test；
S6) testing current line (112) is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
(111) it is connected on current equipment under test down conductor, reads voltage detection module (12) and electric current by control unit (3)
The output valve of detection module (13) completes an earth-continuity measurement, and is surveyed by multiple earth-continuity measurement confirmation earth-continuity
The accuracy of result is measured, the electronic tag of current equipment under test is then scanned using RFID wireless sensor (21), will be read
The electronic labeling information of the current equipment under test arrived confirms that the earth-continuity measurement result storage after accuracy stores mould to data
Block (32)；Then judge whether that traversal finishes, if not yet traversal finishes, traverse and select next equipment as current tested
Equipment jumps and re-execute the steps S6)；Otherwise determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S7) using RFID wireless sensor (21) the specified region of barcode scanning substation to be measured or power plant high voltage station one by one
The electronic tag of equipment will be scanned in obtained electronic labeling information and data memory module (32) by control unit (3) and be deposited
The history reference point of storage is matched, and jumps execution step 7) if finding history reference point；Otherwise, continue to use RFID without
Line sensor (21) one by one the equipment in the specified region of barcode scanning substation to be measured or power plant high voltage station electronic tag simultaneously
The middle history reference point stored of electronic labeling information and data memory module (32) that scanning obtains is matched；
S8 other equipment of the current region in addition to the corresponding equipment of reference point) are directed to, traversal selects an equipment as current
Equipment under test；
S9) testing current line (112) is connected on the corresponding equipment ground downlead of selected reference point, by voltage tester line
(111) it is connected on current equipment under test down conductor, reads voltage detection module (12) and electric current by control unit (3)
The output valve of detection module (13) completes an earth-continuity measurement, and is surveyed by multiple earth-continuity measurement confirmation earth-continuity
The accuracy of result is measured, the electronic tag of current equipment under test is then scanned using RFID wireless sensor (21), will be read
The electronic labeling information of the current equipment under test arrived confirms that the earth-continuity measurement result storage after accuracy stores mould to data
Block (32)；Then judge whether that traversal finishes, if not yet traversal finishes, traverse and select next equipment as current tested
Equipment jumps and re-execute the steps S6)；Otherwise determine to have completed whole earth-continuity measurements, jump and execute step S10)；
S10) generate for the opposite grounded screen conducting resistance variation comparing result for referring to point device of each equipment of current region with
And change curve；
S11) judge whether N number of region of substation or power plant high voltage station to be measured has stepped through to finish, if not yet time
It goes through and finishes, then jump and execute step S2)；Otherwise, terminate and exit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021174.0A CN109116118A (en) | 2018-09-03 | 2018-09-03 | A kind of earth-continuity self-operated measuring unit and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021174.0A CN109116118A (en) | 2018-09-03 | 2018-09-03 | A kind of earth-continuity self-operated measuring unit and its application method |
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| CN201811021174.0A Pending CN109116118A (en) | 2018-09-03 | 2018-09-03 | A kind of earth-continuity self-operated measuring unit and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687380A (en) * | 2019-10-18 | 2020-01-14 | 国网湖南省电力有限公司 | Ground grid shunting vector testing system based on GPS source meter synchronization and application method thereof |
| CN118010810A (en) * | 2024-04-08 | 2024-05-10 | 四川凯路威科技有限公司 | Device, method, equipment, medium and product for detecting integrity of concealed material |
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| CN107015097A (en) * | 2017-04-28 | 2017-08-04 | 国网河南省电力公司电力科学研究院 | A kind of single wireless measurement device of down conductor conduction |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107015097A (en) * | 2017-04-28 | 2017-08-04 | 国网河南省电力公司电力科学研究院 | A kind of single wireless measurement device of down conductor conduction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687380A (en) * | 2019-10-18 | 2020-01-14 | 国网湖南省电力有限公司 | Ground grid shunting vector testing system based on GPS source meter synchronization and application method thereof |
| CN118010810A (en) * | 2024-04-08 | 2024-05-10 | 四川凯路威科技有限公司 | Device, method, equipment, medium and product for detecting integrity of concealed material |
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