CN113484612A - Insulation resistance test system and test method based on automatic identification - Google Patents
Insulation resistance test system and test method based on automatic identification Download PDFInfo
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- CN113484612A CN113484612A CN202110964530.8A CN202110964530A CN113484612A CN 113484612 A CN113484612 A CN 113484612A CN 202110964530 A CN202110964530 A CN 202110964530A CN 113484612 A CN113484612 A CN 113484612A
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
- G06F16/215—Improving data quality; Data cleansing, e.g. de-duplication, removing invalid entries or correcting typographical errors
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2458—Special types of queries, e.g. statistical queries, fuzzy queries or distributed queries
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Abstract
The invention discloses an insulation resistance test system and a test method based on automatic identification, wherein the insulation resistance test system comprises a test project which is used for loading a plurality of insulation resistance testers through an intelligent terminal and issuing the test project to a dynamic management platform; the dynamic management platform is connected with a plurality of insulation resistance testers through the Internet, the test projects are distributed to the insulation resistance testers, the testers are remotely monitored or operated, test results are classified and processed, and the test projects of different testers can be automatically identified according to the uniqueness of the tested equipment and correspond to the test data one by one; the insulation resistance tester automatically tests multiple groups of insulation resistance data by one key. The invention can realize automatic circulation of the test process, intelligent management of test data, reduction of workload and great improvement of work efficiency and work quality.
Description
Technical Field
The invention belongs to the technical field of distribution automation, and particularly relates to an insulation resistance testing system and method based on automatic identification.
Background
With the increasing demand of power utilization in society, the requirements of users on power supply reliability and power supply quality are more strict. In order to ensure the reliability of power supply of the power distribution network, power grid workers need to regularly maintain the power distribution network, wherein the insulation resistance is an important index in equipment safety requirement testing and is one of main parameters for judging whether an insulator is complete and whether the surface of the insulator is polluted, and the defects of general dampness, local severe dampness and penetrability of the equipment can be found in time by measuring the insulation resistance of the equipment. For the safety of the test, the insulation performance test of the power equipment is generally performed in the prior art by a remote control mode, but a single mobile phone bluetooth can only control one mobile phone bluetooth, and the test result is analyzed once only once. In the whole power system in China, the power distribution network is wide in points, different equipment distribution areas are large, the test engineering task amount is large, test instruments used by different operation and maintenance personnel are different, a large number of data islands are formed, and the analysis of the insulation performance of the electrical equipment in the whole life cycle by fusing historical data is not realized.
Therefore, how to provide an insulation resistance testing system and a testing method based on automatic identification becomes a problem which needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the invention provides an insulation resistance testing system and a testing method based on automatic identification, which can automatically test insulation resistance of a distribution transformer and a motor winding, remotely and simultaneously control multiple devices, and integrate multiple times of test engineering data intelligent analysis, thereby improving efficiency and quality of operation and maintenance management of electrical devices.
In order to achieve the purpose, the invention adopts the following technical scheme:
an insulation resistance testing system comprising: an intelligent terminal, a dynamic management platform and a plurality of insulation resistance testers, wherein,
the intelligent terminal is used for loading test projects of a plurality of insulation resistance testers and sending the test projects to the dynamic management platform;
the dynamic management platform is connected with a plurality of insulation resistance testers through the Internet, distributes the test projects to the insulation resistance testers, remotely monitors or operates the testers, and classifies and processes test results;
the insulation resistance tester is used for downloading a test project, and executing a test command and feeding back a test state by one key.
Preferably, the intelligent terminal is connected with the dynamic management platform, the dynamic management platform is connected with the plurality of insulation resistance testers, and the plurality of insulation resistance testers are connected with the windings in the tested device in a one-to-one correspondence manner.
Preferably, the insulation resistance tester is specifically configured to:
and acquiring or customizing the current test project, and automatically testing the tested equipment according to the set test duration and the step one key until all the items are tested.
Preferably, the dynamic management platform is further configured to:
and receiving the current test signals of each insulation resistance tester, performing signal operation on each current test signal, generating corresponding current test data, and sending each current test data to the intelligent terminal so that the intelligent terminal displays each current test data in a display interface. The tested devices have uniqueness, and test projects of different testers at different places can be automatically identified according to the uniqueness of the tested devices and correspond to the test data one by one.
The intelligent terminal is also used for:
and displaying the current test data in each sub-module of the display interface, wherein each tester corresponds to each distribution sub-module one by one, and each tested device corresponds to each sub-module area one by one.
Preferably, the dynamic management platform comprises a classification unit and a processing unit, wherein the classification unit is used for filtering and cleaning the data information of the test result and performing insulation classification according to different characteristics to form a test genealogy; and the processing unit is connected with the classifying unit and is used for performing differential processing on the insulation grades of different categories.
Preferably, the system also comprises a background database, wherein the background database is used for storing the insulation performance information of the tested device in the whole life cycle and classifying and processing the information.
Preferably, the system also comprises a management module which dynamically classifies and processes the test result according to the distributed test engineering, and gives an alarm when abnormal, thereby realizing the standardized management of the field operation and maintenance operation.
Preferably, the insulation grade comprises: failure, defect, normal. The test engineering comprises: the serial number of the tester, the serial number of the tested device and the position information of the test site.
Preferably, the dynamic management platform is connected with the intelligent terminal through a first signal line and is connected with the insulation resistance tester through another signal control line.
Preferably, the insulation resistance tester comprises a high-voltage side module and a low-voltage side module. Wherein the content of the first and second substances,
the high-voltage side module comprises a testing unit and a power supply management unit. The test unit is responsible for high-voltage output, current measurement and resistance calculation, has multi-level voltage gears, and realizes measurement of multiple groups of data of the winding through primary wiring and automatic discharge; and the power management unit is responsible for power supply of the whole insulation resistance tester.
The low-pressure side module has a liquid crystal display mode, a key and a touch screen dual operation mode, presents test data in the forms of waveforms, charts and the like, and can be uploaded to the dynamic management platform.
Preferably, the tested device comprises a double-winding transformer, a three-winding or above transformer and a multi-winding motor.
Preferably, the intelligent terminal can be a PC computer or a mobile intelligent terminal. If the intelligent terminal is a PC computer, the intelligent terminal can be in communication connection with the dynamic management platform through a webpage; if the intelligent terminal is a mobile intelligent terminal, the intelligent terminal can be in communication connection with the dynamic management platform through a built-in APP, an applet or a webpage.
Preferably, there is also provided a method for testing an insulation resistance testing system according to the above embodiment, including:
s1, according to the test engineering, carrying out local or remote one-key automatic test on multiple groups of insulation resistance data of the tested equipment;
s2, classifying and processing the test result data information to realize resource management;
s3 shows the classification and processing results of the information.
Preferably, the method for dynamically managing the insulation resistance test comprises the following steps: the tested equipment has uniqueness, and test data can be automatically identified and in one-to-one correspondence according to the uniqueness of the tested equipment in different places and different testers, so that the problem that mass data cannot be effectively utilized due to insufficient adhesion of the test data caused by multiple operation and maintenance times and inconsistent operation and maintenance personnel is solved.
Preferably, based on edge calculation, the test result is processed in modules, and the insulation test times of the tested equipment are continuously accumulated to form a test family spectrum, so that operation and maintenance personnel can independently process certain sub-module equipment, and the full-life-cycle insulation performance management of the equipment can be realized.
Preferably, the one-key test comprises a local one-key automatic test and a remote one-key automatic test, only one-time wiring is needed, and multiple groups of data are automatically transferred and measured.
The invention has the beneficial effects that: the intelligent terminal is used for loading a test project of a plurality of insulation resistance testers and issuing the test project to the dynamic management platform; the dynamic management platform is connected with a plurality of insulation resistance testers through the Internet, the test projects are distributed to the insulation resistance testers, the testers are remotely monitored or operated, test results are classified and processed, and the test projects of different testers can be automatically identified according to the uniqueness of the tested equipment and correspond to the test data one by one; the insulation resistance tester automatically tests multiple groups of insulation resistance data by one key, realizes automatic circulation of the test process, intelligently manages the test data, reduces the workload, and greatly improves the working efficiency and the working quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a method comprising: the intelligent terminal 110, the dynamic management platform 120, and a plurality of insulation resistance testers 130, wherein,
the intelligent terminal 110 is used for loading the test projects of the insulation resistance testers 130 and sending the test projects to the dynamic management platform; the dynamic management platform 120 is connected with the plurality of insulation resistance testers 130 through the internet, distributes test projects to the insulation resistance testers 130, remotely monitors or operates the testers 130, and classifies and processes test results; the insulation resistance tester 130 is used for downloading the test engineering, executing the test command by one key and feeding back the test state.
In one example, the intelligent terminal 110 is connected to the dynamic management platform 120, the dynamic management platform 120 is connected to the plurality of insulation resistance testers 130, and the plurality of insulation resistance testers 130 are connected to the respective windings of the device under test in a one-to-one correspondence manner.
In an example, the dynamic management platform 120 is further configured to receive current test signals of the insulation resistance testers 130, perform signal operation on the current test signals, generate corresponding current test data, and send the current test data to the intelligent terminal 110, so that the intelligent terminal 110 displays the current test data on a display interface. Each tested device has uniqueness, and test projects of different testers in different places can be automatically identified according to the uniqueness of the tested device and correspond to test data one by one.
The dynamic management platform 120 further comprises a classification unit and a processing unit, wherein the classification unit is used for filtering and cleaning the data information of the test result and performing insulation classification according to different characteristics to form a test family table; and the processing unit is connected with the classification unit and is used for performing differential processing on the insulation grades of different classes. The system also comprises a background database which is used for storing the insulation performance information of the tested device in the whole life cycle and classifying and processing the information.
And the management module dynamically classifies and processes the test results according to the distributed test projects, gives an alarm when abnormal, and realizes the standardized management of the field operation and maintenance operation.
In one example, the insulation rating includes: failure, defect, normal. The test engineering comprises the following steps: the serial number of the tester, the serial number of the tested device and the position information of the test site.
In one example, the insulation resistance tester 130 is further configured to obtain or customize a current test project, automatically test the device under test according to a set test duration and a step one key, and until all the test items are completed, the user can locally store and view the test results. The insulation resistance tester 130 includes a high voltage side module and a low voltage side module. The high-voltage side module comprises a testing unit and a power supply management unit. The test unit is responsible for high-voltage output, current measurement and resistance calculation, has multi-level voltage gears, and realizes measurement of multiple groups of data of the winding through primary wiring and automatic discharge; and the power management unit is responsible for power supply of the whole insulation resistance tester. The low-pressure side module has a liquid crystal display mode, a key and a touch screen dual operation mode, presents test data in the forms of waveforms, diagrams and the like, and can be uploaded to a dynamic management platform. The high-pressure side module and the low-pressure side module are safely isolated, so that the safety of equipment and personnel is ensured.
In one example, the smart terminal 110 may be a PC computer or a mobile smart terminal. If the intelligent terminal is a PC computer, the intelligent terminal can be in communication connection with the dynamic management platform 120 through a webpage; if the intelligent terminal 110 is a mobile intelligent terminal, it may be in communication connection with the dynamic management platform 120 through a built-in APP, an applet, or a webpage.
In one example, the device under test comprises a double-winding transformer, a three-winding transformer and above, and a multi-winding motor. The signal control line comprises one or more of network cable, Bluetooth, USB, GPRS and CDMA
Referring to fig. 2, the present invention further provides a testing method of an insulation resistance testing system, including:
s1, according to the test engineering, carrying out local or remote one-key automatic test on multiple groups of insulation resistance data of the tested equipment;
s2, classifying and processing the test result data information to realize resource management;
s3 shows the classification and processing results of the information.
The tested equipment has uniqueness, and test data can be automatically identified and in one-to-one correspondence according to the uniqueness of the tested equipment in different places and different testers, so that the problem that mass data cannot be effectively utilized due to insufficient adhesion of the test data caused by multiple operation and maintenance times and inconsistent operation and maintenance personnel is solved.
Based on edge calculation, the test result is processed in modules, and the insulation test times of the tested equipment are continuously accumulated to form a test family spectrum, so that operation and maintenance personnel can independently process certain sub-module equipment conveniently, and the full-life-cycle insulation performance management of the equipment can be realized.
The one-key test comprises local one-key automatic test and remote one-key automatic test, only needs one-time wiring, and automatically transfers and measures multiple groups of data
The invention is used for loading a plurality of test projects of insulation resistance testers through the intelligent terminal 110 and sending the test projects to the dynamic management platform; the dynamic management platform 120 is connected with the plurality of insulation resistance testers 130 through the internet, distributes test projects to the insulation resistance testers 130, remotely monitors or operates the testers 130, classifies and processes test results, and test projects of different testers can be automatically identified according to uniqueness of tested equipment and correspond to the test data one by one; the insulation resistance tester 130 automatically tests multiple groups of insulation resistance data by one key, realizes automatic circulation of the test process, intelligently manages the test data, reduces the workload, and greatly improves the working efficiency and the working quality. .
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An insulation resistance testing system, comprising: the system comprises an intelligent terminal, a dynamic management platform and a plurality of insulation resistance testers;
the intelligent terminal is used for loading test projects of a plurality of insulation resistance testers and sending the test projects to the dynamic management platform;
the dynamic management platform is connected with a plurality of insulation resistance testers through the Internet, distributes the test projects to the insulation resistance testers, remotely monitors or operates the testers, and classifies and processes test results;
the insulation resistance tester is used for downloading a test project, and executing a test command and feeding back a test state by one key.
2. The insulation resistance testing system of claim 1, wherein the insulation resistance tester is specifically configured to: and acquiring or customizing the current test project, and automatically testing the tested equipment according to the set test duration and the step one key until all the items are tested.
3. The insulation resistance testing system of claim 1, wherein the dynamic management platform is further configured to: and receiving the current test signals of each insulation resistance tester, performing signal operation on each current test signal, generating corresponding current test data, and sending each current test data to the intelligent terminal so that the intelligent terminal displays each current test data in a display interface.
4. The insulation resistance testing system of claim 3, wherein the intelligent terminal is further configured to: and displaying the current test data in each sub-module of the display interface, wherein each tester corresponds to each distribution sub-module one by one, and each tested device corresponds to each sub-module area one by one.
5. The insulation resistance testing system according to claim 1, wherein the dynamic management platform comprises a classification unit and a processing unit, the classification unit filters and cleans data information of the test result, and performs insulation classification according to different characteristics to form a test genealogy; the processing unit is connected with the classifying unit and is used for performing differential processing on the insulation grades of different categories;
the system also comprises a background database which is used for storing the insulation performance information of the tested device in the whole life cycle and classifying and processing the information;
the management module is used for dynamically classifying and processing test results according to the distributed test projects, giving an alarm when abnormal and realizing the standardized management of the field operation and maintenance operation;
the insulation grade includes: fault, defect, normal;
the test engineering comprises: the serial number of the tester, the serial number of the tested device and the position information of the test site.
6. The insulation resistance testing system according to claim 5, wherein the dynamic management platform is connected to the intelligent terminal through a first signal line and connected to the insulation resistance tester through a second signal control line.
7. The insulation resistance testing system of claim 6, wherein the insulation resistance tester comprises a high voltage side module, a low voltage side module; wherein the content of the first and second substances,
the high-voltage side module comprises a test unit and a power supply management unit; the test unit is responsible for high-voltage output, current measurement and resistance calculation, has multi-level voltage gears, and realizes measurement of multiple groups of data of the winding through primary wiring and automatic discharge; the power supply management unit is responsible for power supply of the whole insulation resistance tester;
the low-pressure side module has a liquid crystal display mode, a key and a touch screen dual-operation mode, presents test data in a waveform or graph mode and uploads the test data to the dynamic management platform;
the tested equipment comprises a double-winding transformer, a transformer with three or more windings and a multi-winding motor.
8. The insulation resistance testing system according to claim 7, wherein the intelligent terminal can be a PC computer or a mobile intelligent terminal; if the intelligent terminal is a PC computer, the intelligent terminal is in communication connection with the dynamic management platform through a webpage; and if the intelligent terminal is a mobile intelligent terminal, the intelligent terminal is in communication connection with the dynamic management platform through a built-in APP, or an applet, or a webpage.
9. A test method of an insulation resistance test system is characterized by comprising the following steps:
s1, according to the test engineering, carrying out local or remote one-key automatic test on multiple groups of insulation resistance data of the tested equipment;
s2, classifying and processing the test result data information to realize resource management;
s3 shows the classification and processing results of the information.
10. The method of claim 9, wherein the one-touch test comprises a local one-touch automated test and a remote one-touch automated test.
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