CN111586161A - Electrical test data tracing method based on block chain - Google Patents
Electrical test data tracing method based on block chain Download PDFInfo
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Abstract
The invention discloses an electrical test data tracing method based on a block chain, which comprises the following steps: compiling a unique identity code of the electrical equipment; establishing a block chain based on the identity code, generating a pair of asymmetric public key and private key, and encrypting the identity code by adopting the public key; converting the private key into a bar code and pasting the bar code on corresponding electrical equipment; acquiring a nameplate of the electrical equipment by using an image acquisition module, extracting nameplate data by using an image feature identification module, and transmitting the nameplate data to a block chain; acquiring a factory test report image of the electrical equipment by using an image acquisition module, and extracting and acquiring factory test data of the electrical equipment by using an image feature identification module; acquiring a preventive test report image of the electrical equipment by using an image acquisition module, and extracting and acquiring preventive test data of the electrical equipment by using an image feature identification module; the validity of the uploaded data; and utilizing the data storage layer to store the synchronous service data in a distributed mode.
Description
Technical Field
The invention relates to the technical field of electrical test data tracing, in particular to an electrical test data tracing method based on a block chain.
Background
The electrical equipment test can be divided into two main types, namely an insulation test and a characteristic test, wherein the insulation defect of the electrical equipment: one is latent at the time of manufacture; one is developed under the influence of the outside world. The external action is working voltage, overvoltage, moisture, mechanical force, thermal action, chemical action, etc. In addition, characteristic tests: the tests other than the insulation test are generally collectively referred to as characteristic tests. Such tests are mainly tests of certain characteristics of electrical or mechanical aspects of electrical equipment, such as transformation ratio tests and polarity tests of transformers and transformers; measuring the direct current resistance of the coil; a conductive loop resistance of the circuit breaker; opening and closing time and speed tests and the like. The tests described above have their common purpose, namely to reveal defects. According to the test result, the testers can perform longitudinal comparison by combining the factory and year-round data, perform transverse comparison with the test data and standards of the same type of equipment, and judge the defects or weak links of the equipment through comprehensive analysis, thereby providing a basis for maintenance and operation.
In the prior art, test reports of insulation tests and characteristic tests are paper pieces or scanning pieces, and the paper pieces or the scanning pieces have a file management part, are poor in storage sharing and are prone to historical data loss; as is well known, the performance judgment of electrical equipment needs to be performed by longitudinal comparison in combination with historical data thereof; in addition, historical detection personnel and detection mechanisms of the same electrical equipment may be different, so that the procedure for obtaining the original test data is more, and the problem of loss exists.
Therefore, a safe, reliable and real-time data sharing block chain-based electric test data tracing method is urgently needed to be provided.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an electrical test data tracing method based on a block chain, and the technical scheme adopted by the present invention is as follows:
the electric test data tracing method based on the block chain adopts a plurality of test nodes with data shared in real time, wherein any test node comprises a data storage layer for storing synchronous service data in a distributed mode, a block chain service layer which is connected with the data storage layer and used for verifying the legality of uploaded data, an application layer which is connected with the block chain service layer and used for identity registration and authentication, and a display layer which is connected with the application layer and used for displaying the block chain data; the test node is also provided with an image acquisition module and an image characteristic identification module which are connected with the block chain service layer and used for uploading image data;
the electrical test data tracing method comprises the following steps:
compiling according to the province where the electrical equipment is located, the scheduling domain name, the site domain name and the equipment code to obtain the unique identity code of the electrical equipment;
establishing a block chain based on the identity code, generating a pair of asymmetric public key and private key, encrypting the identity code by adopting the public key, and uploading the encrypted identity code to the block chain; converting the private key into a bar code and pasting the bar code on corresponding electrical equipment;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a nameplate of the electrical equipment by using an image acquisition module, extracting nameplate data by using an image feature identification module, transmitting the nameplate data to a block chain, and adding a corresponding timestamp;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a factory test report image of the electrical equipment by using an image acquisition module, extracting and acquiring factory test data of the electrical equipment by using an image feature identification module, and adding a corresponding timestamp;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a preventive test report image of the electrical equipment by using an image acquisition module, extracting and acquiring preventive test data of the electrical equipment by using an image feature identification module, and adding a corresponding timestamp;
acquiring nameplate data, factory test data and preventive test data of the electrical equipment by using a block chain service layer, and judging the legality of uploaded data;
and scanning to obtain a private key corresponding to the bar code, and storing the synchronous service data in a distributed mode by using the data storage layer.
Further, the electric test data tracing method further comprises the step of performing real-name system registration by using an application layer of the test node to obtain a verified user account.
Further, the electric test data tracing method further comprises the step of extracting nameplate image data by adopting a metal reflection image recognition algorithm of edge point self-similarity.
Preferably, the process of identifying the factory test report image and the preventive test report image of the electrical device is as follows:
carrying out inclination correction and gray normalization processing on the acquired image;
performing edge line identification on the image, and cutting off the image outside the edge to obtain a data image;
cutting the data image into a plurality of image blocks, and calculating to obtain the image characteristics of any image block;
data in any image feature is identified using a classifier.
Furthermore, the electric test data tracing method further comprises the steps of scanning and obtaining a private key corresponding to a bar code of the electric equipment by using the test node, accessing the block chain, obtaining synchronous test data of the electric equipment by using the data storage layer, and transmitting the synchronous test data to the display layer for displaying.
Further, the electrical test data tracing method further comprises the steps that the test node scans the bar code and performs identity authentication, if the identity authentication is successful, the block chain corresponding to the electrical equipment is accessed, and if the identity authentication is not successful, the access is quitted.
Compared with the prior art, the invention has the following beneficial effects:
(1) the method skillfully utilizes the characteristics of block chain de-centering, information sharing and non-falsification, establishes the block chain with the unique identity code as the reference, and uploads nameplate image data, factory test data and preventive test data to the block chain corresponding to the identity code so as to realize the sharing of historical data;
(2) the invention skillfully utilizes the asymmetric algorithm to encrypt the identity code, the nameplate image data, the factory test data and the preventive test data, ensures that the data of the electrical equipment is more reliable, and effectively avoids illegal tampering;
(3) the invention skillfully utilizes the metal reflection image recognition algorithm of edge point self-similarity to recognize and obtain the nameplate image data, effectively eliminates the interference of metal reflection and ensures that the data acquisition is more reliable;
(4) the invention skillfully adopts an edge recognition method to eliminate the regions outside the report so as to reduce the invalid recognition area and improve the recognition efficiency;
in conclusion, the method has the advantages of data sharing, safe and reliable data, accurate identification and the like, and has high practical value and popularization value in the technical field of electric test data tracing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
FIG. 1 is a flow chart of the present invention.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present application, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. 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 application.
Examples
As shown in fig. 1, the present embodiment provides an electrical test data tracing method based on a block chain, which employs a plurality of test nodes shared by data in real time, where any of the test nodes includes a data storage layer for storing synchronous service data in a distributed manner, a block chain service layer connected to the data storage layer and used for verifying the validity of uploaded data, an application layer connected to the block chain service layer and used for identity registration and authentication, and a display layer connected to the application layer and used for displaying block chain data; the test node is also provided with an image acquisition module and an image characteristic identification module which are connected with the block chain service layer and used for uploading image data. In this embodiment, any test node needs to perform real-name registration to obtain a verified user account. The registration is usually performed by using the social credit code and the business license of the testing unit to ensure the testing unit has the testing qualification.
The following explains the electric test data tracing method of the embodiment in detail, and comprises the following steps:
step one, compiling according to the province where the electrical equipment is located, the scheduling domain name, the site domain name and the equipment code to obtain the unique identity code of the electrical equipment; because the electrical equipment accessed into the power system has the recorded codes, the unique and determined identity can be coded according to the province, the attribution scheduling, the equipment site and the equipment codes of the electrical equipment.
Secondly, establishing a block chain based on the identity code, generating a pair of asymmetric public key and private key, encrypting the identity code by adopting the public key, and uploading the encrypted identity code to the block chain; converting the private key into a bar code and pasting the bar code on corresponding electrical equipment; since the identity codes are unique, the established block chains are also in one-to-one correspondence.
Thirdly, scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a nameplate of the electrical equipment by using an image acquisition module, extracting nameplate data by using an image feature identification module, transmitting the nameplate data to a block chain, and adding a corresponding timestamp; in the embodiment, the nameplate image data is skillfully extracted by adopting a metal reflection image recognition algorithm with edge point self-similarity.
Fourthly, scanning to obtain a private key corresponding to the bar code, and accessing a block chain; and acquiring a factory test report image of the electrical equipment by using the image acquisition module, extracting and acquiring factory test data of the electrical equipment by using the image characteristic identification module, and adding a corresponding timestamp.
Fifthly, scanning to obtain a private key corresponding to the bar code, and accessing a block chain; and acquiring a preventive test report image of the electrical equipment by using the image acquisition module, extracting and acquiring preventive test data of the electrical equipment by using the image feature identification module, and adding a corresponding timestamp.
And sixthly, scanning and acquiring a private key corresponding to the bar code of the electrical equipment by using the test node, accessing the block chain, acquiring synchronous test data of the electrical equipment by using the data storage layer, and transmitting the test data to the display layer for displaying. Here, the fifth step can also be returned, and any preventive test data can be uploaded.
In the third step to the sixth step, the following steps are required to be performed:
(1) and scanning the bar code by the test node, authenticating the identity, accessing the block chain corresponding to the electrical equipment if the identity is successfully verified, and otherwise, quitting the access.
(2) Acquiring nameplate data, factory test data and preventive test data of the electrical equipment by using a block chain service layer, and judging the legality of uploaded data;
(3) and scanning to obtain a private key corresponding to the bar code, and storing the synchronous service data in a distributed mode by using the data storage layer.
In addition, in the fourth to fifth steps, the process of identifying the factory test report image and the preventive test report image of the electrical device is as follows:
(1) carrying out inclination correction and gray normalization processing on the acquired image;
(2) performing edge line identification on the image, and cutting off the image outside the edge to obtain a data image;
(3) cutting the data image into a plurality of image blocks, and calculating to obtain the image characteristics of any image block;
(4) data in any image feature is identified using a classifier.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the modifications made by the principles of the present invention and the non-inventive efforts based on the above-mentioned embodiments shall fall within the scope of the present invention.
Claims (6)
1. The block chain-based electric test data tracing method is characterized in that a plurality of test nodes with data shared in real time are adopted, wherein any test node comprises a data storage layer for storing synchronous service data in a distributed mode, a block chain service layer which is connected with the data storage layer and used for verifying the validity of uploaded data, an application layer which is connected with the block chain service layer and used for identity registration and authentication, and a display layer which is connected with the application layer and used for displaying the block chain data; the test node is also provided with an image acquisition module and an image characteristic identification module which are connected with the block chain service layer and used for uploading image data;
the electrical test data tracing method comprises the following steps:
compiling according to the province where the electrical equipment is located, the scheduling domain name, the site domain name and the equipment code to obtain the unique identity code of the electrical equipment;
establishing a block chain based on the identity code, generating a pair of asymmetric public key and private key, encrypting the identity code by adopting the public key, and uploading the encrypted identity code to the block chain; converting the private key into a bar code and pasting the bar code on corresponding electrical equipment;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a nameplate of the electrical equipment by using an image acquisition module, extracting nameplate data by using an image feature identification module, transmitting the nameplate data to a block chain, and adding a corresponding timestamp;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a factory test report image of the electrical equipment by using an image acquisition module, extracting and acquiring factory test data of the electrical equipment by using an image feature identification module, and adding a corresponding timestamp;
scanning to obtain a private key corresponding to the bar code, and accessing a block chain; acquiring a preventive test report image of the electrical equipment by using an image acquisition module, extracting and acquiring preventive test data of the electrical equipment by using an image feature identification module, and adding a corresponding timestamp;
acquiring nameplate data, factory test data and preventive test data of the electrical equipment by using a block chain service layer, and judging the legality of uploaded data;
and scanning to obtain a private key corresponding to the bar code, and storing the synchronous service data in a distributed mode by using the data storage layer.
2. The block chain-based electric test data tracing method according to claim 1, further comprising performing real-name system registration by using an application layer of the test node to obtain a verified user account.
3. The block chain-based electrical test data tracing method according to claim 1, further comprising extracting nameplate image data by using a metal reflection image recognition algorithm of edge point self-similarity.
4. The block chain-based electrical test data tracing method according to claim 1, wherein the identification process of the factory test report image and the preventive test report image of the electrical equipment is as follows:
carrying out inclination correction and gray normalization processing on the acquired image;
performing edge line identification on the image, and cutting off the image outside the edge to obtain a data image;
cutting the data image into a plurality of image blocks, and calculating to obtain the image characteristics of any image block;
data in any image feature is identified using a classifier.
5. The block chain-based electric test data tracing method according to any one of claims 1 to 4, further comprising scanning and acquiring a private key corresponding to a bar code of an electric device by using a test node, accessing the block chain, acquiring synchronous test data of the electric device by using a data storage layer, and transmitting the test data to a display layer for display.
6. The electrical test data tracing method based on the block chain as claimed in claim 2, further comprising the steps of scanning the bar code by the test node, performing identity authentication, accessing the block chain corresponding to the electrical device if the identity authentication is successful, and otherwise, quitting the access.
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| CN114186647A (en) * | 2021-11-22 | 2022-03-15 | 北京恒华伟业科技股份有限公司 | Concrete test block based on RFID technology and test data tracing method thereof |
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