CN112198402A - Insulating tool testing device and method - Google Patents
Insulating tool testing device and method Download PDFInfo
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- CN112198402A CN112198402A CN202011072811.4A CN202011072811A CN112198402A CN 112198402 A CN112198402 A CN 112198402A CN 202011072811 A CN202011072811 A CN 202011072811A CN 112198402 A CN112198402 A CN 112198402A
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- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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- 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
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- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention relates to an insulating tool test device and a test method, wherein the test device comprises a test vehicle, a test water tank, a test transformer, a fixing frame, a radio frequency identification reader, a data processing module and a leakage ammeter, and the method comprises the following steps: s1: grounding the test water tank, and adding sufficient water into the water tank; identifying a label on the insulating tool by using a radio frequency identification reader, and reading the previous test data of the insulating tool; fixing the insulating tool by using a fixing frame, connecting an external power supply to an incoming line terminal of the test transformer, overlapping an outgoing line of the test transformer on the fixing frame, and pressurizing the insulating tool to be tested; s2: and judging whether the current displayed by the leakage ammeter is larger than a preset threshold value, if so, indicating that the test is unqualified, and if not, indicating that the test is qualified. According to the invention, the insulation tool test equipment is arranged on the test vehicle, so that the movement operation is convenient.
Description
Technical Field
The invention relates to the field of insulation testing, in particular to an insulation tool testing device and an insulation tool testing method.
Background
At present, the inspection work of insulating tools in a substation is complex, operators need to go to all substations to collect the insulation tools back to an inspection center station, and arrange special persons to make inspection tables, and then arrange the special persons to uniformly send the inspection tables to a test center for testing; after receiving the insulation tools, the test center checks the quantity and arranges a test plan, and a tester develops a test according to the test plan, issues a test report and prints a qualification certificate, and then informs each operation and inspection center to take back the insulation tools; after the operation and inspection center receives the notification, arranging personnel to go to the test center to take the insulating tools back, pasting the qualification certificate on the insulating tools, and distributing the qualified insulating tools to all substations by the arrangement personnel. Each operation and inspection center of the work is developed at least twice every year, and a large amount of human resources are consumed. However, under the large shortage of manpower of each transportation and inspection center and test teams and groups, the conventional test method which needs to consume a large amount of human resources is not suitable.
After the safety tool test is completed, a tester needs to record test data by using a notebook computer, and compare the test data with a normal value, and judge whether the safety tools of the batch can be used continuously, can be used safely in the next test period, the use condition of the tools in the test period, and the like.
The test center of the safety tool is fixed, when the operation and inspection center has the safety tool test due and needs to be tested, the safety tool test due needs to be collected to the subordinate transformer substations and sent to the test center in a unified mode, the safety tool test due needs to be collected to be distributed to the subordinate transformer substations after the test is qualified, and a large amount of time cost and labor cost are consumed when the safety tool test due to one-time collection is carried out.
The comparison of test data obtained after the test is finished and normal values needs to be finished manually, a large amount of test data appear when the test is carried out in a large batch, errors easily appear in manual comparison, qualified safety tools are judged to be unqualified, unqualified safety tools are judged to be qualified, and the safety risk of substation workers is increased.
The comparison of multiple test data also needs to be completed manually, and due to the fact that the test period is too long, the test tool amount is large, the data management mode is old, data loss is easy to cause, and the service life of the safety tool cannot be judged according to the test data in multiple aspects.
Chinese patent CN201610056190.8 published in 2016, 5, month and 4 provides an insulation tool detection apparatus and method comprising: the first test cavity and the second test cavity are used for placing a first insulation tool to be tested and a second insulation tool to be tested, and the cavities of the test cavities are not communicated and can conduct electricity; the cavity of the first test cavity is connected with the negative pole of the power supply or grounded through the first negative pole signal detection part, and the cavity of the second test cavity is connected with the negative pole of the power supply or grounded through the second negative pole signal detection part; the first end of the first conductive part is connected with the positive electrode of the power supply, the second end of the first conductive part is respectively connected with the inner cavities of the first insulating tool to be tested and the second insulating tool to be tested, and the first conductive part is also provided with a first positive electrode signal detection part; when the first positive electrode signal detection component and the first negative electrode signal detection component detect the leakage signal, displaying the fault of the first insulation tool to be detected; and when the first positive electrode signal detection component and the second negative electrode signal detection component detect the leakage signal, displaying the fault of the second insulation tool to be tested. The insulation test device described in this patent is not mounted on a mobile device, and is not convenient for mobile operation.
Disclosure of Invention
The invention provides an insulating tool testing device and an insulating tool testing method for overcoming the defect that the testing center of an insulating tool in the prior art cannot move.
The test device comprises a test vehicle, a test water tank, a test transformer, a fixing frame, a radio frequency identification reader, a data processing module and a leakage ammeter,
the test water tank, the test transformer, the fixing frame, the radio frequency identification reader, the data processing module and the leakage ammeter are all arranged on the test vehicle;
the test water tank is used for placing an insulating tool;
the fixing frame is used for fixing the insulating tool;
the test transformer is used for adjusting test voltage;
the radio frequency identification reader is used for identifying a label on the insulating tool and reading the previous test data of the insulating tool;
the data processing module is used for processing the test data of the insulating tool, judging whether the test of the insulating tool is qualified or not, recording the previous test data of the insulating tool and filing the test data;
the leakage ammeter is used for measuring current test data of the insulating tool and sending the current test data to the data processing module for data processing, recording and archiving.
Preferably, the testing device further comprises an alarm device, the alarm device is connected with the data processing module, and when the insulation test is unqualified, the data processing module controls the alarm device to give an alarm.
Preferably, the alarm device is an audible and visual alarm.
Preferably, the test device further comprises a movable support and a movable support limiter;
when the fixed bracket is not enough to fix the insulating tool, the movable bracket is used for fixing the insulating tool;
the movable support limiter is used for fixing the movable support.
Preferably, the transformer is a step-up transformer.
The insulation tool test method comprises the following steps:
s1: grounding the test water tank, and adding sufficient water into the water tank;
identifying a label on the insulating tool by using a radio frequency identification reader, and reading the previous test data of the insulating tool;
fixing the insulating tool by using a fixing frame, connecting an external power supply to an incoming line terminal of the test transformer, overlapping an outgoing line of the test transformer on the fixing frame, and pressurizing the insulating tool to be tested;
s2: and judging whether the current displayed by the leakage ammeter is larger than a preset threshold value, if so, indicating that the test is unqualified, and if not, indicating that the test is qualified.
Preferably, S2 further includes: and if the test is unqualified, starting an audible and visual alarm to give an alarm.
Preferably, S2 further includes: if the test is qualified, recording the maximum current displayed by the leakage current meter, comparing the maximum current with the previous test data, comparing the insulation level deterioration condition, and judging whether the insulation tool can be continuously used.
Preferably, when the fixing bracket is insufficient to fix the insulation tool, the operation of S1 is adjusted to: the method comprises the steps of adjusting a movable support from a horizontal position to a vertical position, identifying a label on an insulating tool by a radio frequency identification reader, reading previous test data of the insulating tool, fixing the movable support by a movable support limiter, placing the insulating tool on the movable support, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating tool, and pressurizing the insulating tool to be tested.
Preferably, the method further comprises the steps of:
s3: and the test data is filed to a system ledger, data guarantee is provided for next judgment of the service life of the insulating tool, and a test label of the insulating tool is printed for an operator to check.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: according to the invention, the insulation tool test equipment is arranged on the test vehicle, so that the movement operation is convenient. The time cost and the labor cost spent on collection, carrying, inspection, recovery, judgment and filing are reduced, the field test is realized, the embarrassing situation that no safety tool is used due to inspection of the safety tool is effectively avoided, and the working efficiency of operation personnel in the operation inspection center and testing personnel in the testing center is greatly improved.
Drawings
FIG. 1 is a flow chart of the insulation tool testing method described in example 2.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1:
the embodiment provides an insulation tool testing device, which comprises a testing vehicle, a testing water tank, a testing transformer, a fixing frame, a radio frequency identification reader, a data processing module and a leakage ammeter,
the test water tank, the test transformer, the fixing frame, the radio frequency identification reader, the data processing module and the leakage ammeter are all arranged on the test vehicle;
the test water tank is used for placing an insulating tool;
the fixing frame is used for fixing the insulating tool;
the test transformer is used for adjusting test voltage;
the radio frequency identification reader is used for identifying a label on the insulating tool and reading the previous test data of the insulating tool;
the data processing module is used for processing the test data of the insulating tool, judging whether the test of the insulating tool is qualified or not, recording the previous test data of the insulating tool and filing the test data;
the leakage ammeter is used for measuring current test data of the insulating tool and sending the current test data to the data processing module for data processing, recording and archiving.
The testing device further comprises an alarm device, the alarm device is connected with the data processing module, and when the insulation test is unqualified, the data processing module controls the alarm device to give an alarm.
The alarm device is an audible and visual alarm.
The test device also comprises a movable bracket and a movable bracket limiter;
when the fixed bracket is not enough to fix the insulating tool, the movable bracket is used for fixing the insulating tool;
the movable support limiter is used for fixing the movable support.
The transformer is a step-up transformer.
Example 2:
the present embodiment provides an insulation tool testing method, which is implemented based on the insulation tool testing apparatus described in embodiment 1, and as shown in fig. 1, the testing method includes:
s1: grounding the test water tank, and adding sufficient water into the water tank;
identifying a label on the insulating tool by using a radio frequency identification reader, and reading the previous test data of the insulating tool;
fixing the insulating tool by using a fixing frame, connecting an external power supply to an incoming line terminal of the test transformer, overlapping an outgoing line of the test transformer on the fixing frame, and pressurizing the insulating tool to be tested;
s2: and judging whether the current displayed by the leakage ammeter is larger than a preset threshold value, if so, indicating that the test is unqualified, and if not, indicating that the test is qualified.
S2 further includes: and if the test is unqualified, starting an audible and visual alarm to give an alarm.
S2 further includes: if the test is qualified, recording the maximum current displayed by the leakage current meter, comparing the maximum current with the previous test data, comparing the insulation level deterioration condition, and judging whether the insulation tool can be continuously used.
The following will specifically describe the present embodiment by the insulation test of insulating gloves and insulating shoes:
(1) insulating glove test: grounding a water tank of the insulating glove, adding sufficient tap water into the water tank, identifying a label on the insulating glove by a radio frequency identification reader, reading the previous test data of the insulating glove, fixing the insulating glove by using an insulating glove fixing frame, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating glove fixing frame, and pressurizing the insulating glove to be tested. If the insulating glove test is unqualified, starting an audible and visual alarm to give an alarm, displaying current by a leakage ammeter, and recording unqualified data in an insulating glove account; if the insulating glove is qualified in the test, the audible and visual alarm is not started, the leakage ammeter displays the maximum current, the maximum current of the insulating glove in the test is recorded, the maximum current is compared with the previous test data, the deterioration condition of the insulation level is compared, and whether the insulating glove can be continuously used or not is judged.
(2) Testing the insulating shoes: grounding a water tank of the insulating shoe, adding sufficient tap water into the water tank, identifying a label on the insulating shoe by using a radio frequency identification reader, reading the previous test data of the insulating shoe, fixing the insulating shoe by using an insulating shoe fixing frame, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating shoe fixing frame, and pressurizing the insulating shoe to be tested. If the insulating glove test is unqualified, the audible and visual alarm starts to give an alarm, the leakage ammeter displays the current, and the unqualified data is recorded in the insulating shoe account; if the insulation shoe is qualified in the test, the audible and visual alarm is not started, the leakage ammeter displays the maximum current, the maximum current of the insulation shoe in the test is recorded, the maximum current is compared with the previous test data, the deterioration condition of the insulation level is compared, and whether the insulation shoe can be continuously used or not is judged.
Further, when the fixing bracket is insufficient to fix the insulating tool, the operation of S1 is adjusted to: the method comprises the steps of adjusting a movable support from a horizontal position to a vertical position, identifying a label on an insulating tool by a radio frequency identification reader, reading previous test data of the insulating tool, fixing the movable support by a movable support limiter, placing the insulating tool on the movable support, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating tool, and pressurizing the insulating tool to be tested.
The following description will be made in detail in an insulation test of the insulation rod for the case when the fixing bracket is insufficient to fix the insulation tool:
and (3) insulating rod test: the method comprises the steps of adjusting a movable support from a horizontal position to a vertical position, identifying a label on an insulating rod by a radio frequency identification reader, reading previous test data of the insulating rod, fixing the movable support by a movable support limiter, placing the insulating rod on the support, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating rod, and pressurizing the insulating rod to be tested. If the insulation rod test is unqualified, an audible and visual alarm starts to give an alarm, a leakage ammeter displays current, and unqualified data is recorded in an insulation rod standing book; if the insulating rod is qualified in the test, the audible and visual alarm is not started, the leakage ammeter displays the maximum current, the maximum current of the insulating rod in the test is recorded, the maximum current is compared with the previous test data, the deterioration condition of the insulation level is compared, and whether the insulating rod can be continuously used or not is judged.
Finally, the method of this embodiment further includes the following steps: s3: and the test data is filed to a system ledger, data guarantee is provided for next judgment of the service life of the insulating tool, and a test label of the insulating tool is printed for an operator to check.
The embodiment integrates the test equipment of the insulating gloves, the insulating shoes and the insulating rods of the test center on the test vehicle, a movable safety tool test center is formed, a platform for providing safety tool tests for transformer substations which are administered by a transformer management station is distributed, whether the tested safety tools are qualified or not is automatically judged, the expected service life of the tools is judged, test completion is automatically filed with test data, test labels are printed on site, the time cost and the labor cost spent on collection, carrying, inspection, recovery, judgment and filing are reduced, the site test is realized, the embarrassing situation that no safety tools are used due to the inspection of the safety tools is effectively avoided, and the work efficiency of operation personnel of the operation center and the test personnel of the test center is greatly improved.
The terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An insulation tool test device is characterized by comprising a test vehicle, a test water tank, a test transformer, a fixing frame, a radio frequency identification reader, a data processing module and a leakage ammeter,
the test water tank, the test transformer, the fixing frame, the radio frequency identification reader, the data processing module and the leakage ammeter are all arranged on the test vehicle;
the test water tank is used for placing an insulating tool;
the fixing frame is used for fixing the insulating tool;
the test transformer is used for adjusting test voltage;
the radio frequency identification reader is used for identifying a label on the insulating tool and reading the previous test data of the insulating tool;
the data processing module is used for processing the test data of the insulating tool, judging whether the test of the insulating tool is qualified or not, recording the previous test data of the insulating tool and filing the test data;
the leakage ammeter is used for measuring current test data of the insulating tool and sending the current test data to the data processing module for data processing, recording and archiving.
2. The insulation tool testing device of claim 1, further comprising an alarm device connected to the data processing module, wherein the data processing module controls the alarm device to give an alarm when the insulation test fails.
3. The insulation tool testing apparatus of claim 2, wherein the alarm device is an audible and visual alarm.
4. The insulation tool testing apparatus of claim 3, further comprising a movable bracket, a movable bracket stop;
when the fixed bracket is not enough to fix the insulating tool, the movable bracket is used for fixing the insulating tool;
the movable support limiter is used for fixing the movable support.
5. The insulation tool testing apparatus of claim 4, wherein the transformer is a step-up transformer.
6. An insulation tool testing method, comprising:
s1: grounding the test water tank, and adding sufficient water into the water tank; placing the insulating tool in a test water tank;
identifying a label on the insulating tool by using a radio frequency identification reader, and reading the previous test data of the insulating tool;
fixing the insulating tool by using a fixing frame, connecting an external power supply to an incoming line terminal of the test transformer, overlapping an outgoing line of the test transformer on the fixing frame, and pressurizing the insulating tool to be tested;
s2: and judging whether the current displayed by the leakage ammeter is larger than a preset threshold value, if so, indicating that the test is unqualified, and if not, indicating that the test is qualified.
7. The insulation tool testing method of claim 6, wherein S2 further comprises: and if the test is unqualified, starting an audible and visual alarm to give an alarm.
8. The insulation tool testing method of claim 7, wherein S2 further comprises: if the test is qualified, recording the maximum current displayed by the leakage current meter, comparing the maximum current with the previous test data, comparing the insulation level deterioration condition, and judging whether the insulation tool can be continuously used.
9. The insulation tool testing method according to claim 8, wherein when the holding bracket is insufficient to hold the insulation tool, the operation of S1 is adjusted to: the method comprises the steps of adjusting a movable support from a horizontal position to a vertical position, identifying a label on an insulating tool by a radio frequency identification reader, reading previous test data of the insulating tool, fixing the movable support by a movable support limiter, placing the insulating tool on the movable support, connecting an external power supply to an incoming line terminal of a test transformer, overlapping an outgoing line of the test transformer on the insulating tool, and pressurizing the insulating tool to be tested.
10. The insulation tool testing method of claim 9, further comprising the steps of:
s3: and the test data is filed to a system ledger, data guarantee is provided for next judgment of the service life of the insulating tool, and a test label of the insulating tool is printed for an operator to check.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011072811.4A CN112198402A (en) | 2020-10-09 | 2020-10-09 | Insulating tool testing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011072811.4A CN112198402A (en) | 2020-10-09 | 2020-10-09 | Insulating tool testing device and method |
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| CN112198402A true CN112198402A (en) | 2021-01-08 |
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| CN202011072811.4A Pending CN112198402A (en) | 2020-10-09 | 2020-10-09 | Insulating tool testing device and method |
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Application publication date: 20210108 |