JP2015210434A - Testing system and testing method using encryption technique - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a testing system and a testing method using encryption technique capable of maintaining confidentiality of the testing method and a test result.SOLUTION: The testing system comprises: a test recipe storage means 12 for encrypting and storing a test recipe created for testing of an object 11, and for decrypting and outputting the test recipe according to reading of the test recipe; a test execution means 14 for giving an operation instruction, based on the decrypted testing recipe obtained from the test recipe storage means 12, to a testing device 13 for testing the object 11; a test result data storage means 15 for creating test result data in a preliminarily set format from primary test data obtained in real time by the testing device 13 during operation, and then encrypting and storing the test result data; and a data decryption means 16 for individually decrypting and outputting the test recipe stored in the test recipe storage means 12, and the test result data stored in the test result data storage means 15.

Description

The present invention relates to a test method formulated for testing an object and a test system and a test method using an encryption technique that improves the security of the obtained test results.

For example, when a secondary battery test (confirmation of charge / discharge characteristics) is performed using a charge / discharge test apparatus, a test method created by the battery manufacturer or a test obtained by operating the charge / discharge test apparatus using this test method The data can be freely viewed during the test, and the test method and test results are not generally secured.
On the other hand, for example, when transmitting / receiving test data using an information communication network such as the Internet, the test data is encrypted and transmitted / received from the viewpoint of security (for example, see Patent Document 1).

JP 2003-114294 A

In recent years, in a charge / discharge test of a secondary battery performed by a battery manufacturer, a part of the charge / discharge test tends to be outsourced. Here, there are cases where confidential data including many development factors of the battery manufacturer may exist in the test methods and test data obtained for the charge / discharge test of the secondary battery. Battery manufacturers have developed their own testing standards to prevent leakage of confidential data.
However, there are limits to the prevention of leakage of confidential data contained in test methods and test data only by setting test work standards, and the establishment of leakage prevention of confidential data is the most important thing when conducting secondary battery charge / discharge tests. It is one of the important issues.

The present invention has been made in view of such circumstances, and includes a test method formulated for testing a target object, and a test system and a test method using an encryption technology capable of securing confidentiality of the obtained test results. The purpose is to provide.

The test system using the encryption technology according to the first invention in accordance with the above object encrypts and stores a test recipe (test method) formulated for testing an object, and responds to reading of the test recipe. A test recipe storing means for decoding and outputting the test recipe;
Based on the decrypted test recipe acquired from the test recipe storage means, a test execution means for giving an operation instruction to a test apparatus for testing the object;
Test results created by encrypting and saving test results data in a preset format (data used for test judgment of an object) from primary test data (measured values) obtained in real time by the test equipment in operation Data storage means;
Data decoding means for decoding and outputting the test recipe stored in the test recipe storage means and the test result data stored in the test result data storage means, respectively.

In the test system using the encryption technology according to the first invention, the test result data storage means includes a primary test data storage unit that sequentially encrypts and stores the primary test data, and the primary test data storage unit It is preferable to have a test result data storage unit that sequentially decrypts and reads the primary test data, converts it into the test result data, and encrypts and stores it again.

In the test system using the encryption technology according to the first invention, it is preferable that the primary test data storage unit erases the primary test data read by the test performance data storage unit.

In the test system using the encryption technology according to the first invention, the encrypted test recipe and the encrypted test result data are decrypted and output by the second data decryption means. Is preferred.

In the test system using the encryption technique according to the first invention, the test of the object can be a charge / discharge test of a secondary battery.

The test method using the encryption technology according to the second invention in accordance with the above object is a first step of creating a test recipe for giving an operation instruction to a test apparatus for testing an object, and encrypting and storing the test recipe;
The stored test recipe is decrypted, and the test apparatus is operated on the basis of the decrypted test recipe to execute the test. From the primary test data obtained in real time by the test apparatus, the preset is set in advance. A second step of creating, encrypting and storing test results data in a format;
And a third step of decrypting and outputting the encrypted test recipe and the test result data, respectively.

In the test method using the encryption technique according to the second invention, in the second step, the primary test data is sequentially encrypted and stored, and the stored primary test data is sequentially decrypted and read. It is preferable to encrypt and store again while converting to data.
Here, it is preferable to delete the primary test data converted into the test performance data.

In the test method using the encryption technique according to the second invention, an encryption key is obtained, and the encrypted test recipe and the encrypted test result data are arbitrarily decrypted and output. it can.

In the test method using the encryption technology according to the second invention, the test of the object can be a charge / discharge test of a secondary battery.

In the test system using the encryption technology according to the first invention and the test method using the encryption technology according to the second invention, the process of encrypting the test recipe and encrypting the test result data Therefore, it is possible to ensure the confidentiality of the test method developed for testing the object and the obtained test result, and the burden of encryption work does not occur.

In the test system using the encryption technique according to the first invention, the test result data storage means sequentially encrypts and stores the primary test data and stores the primary test data from the primary test data storage unit. In the second step, in the test method using the encryption technology according to the second invention, in the case of having a test result data storage unit that decrypts sequentially and converts to read test result data and encrypts and saves again. If the primary test data is sequentially encrypted and stored, and the stored primary test data is decrypted and converted to read test results data again and then encrypted and stored, the confidentiality of the primary test data and test results data during the test Conservation becomes possible.

In the test system using the encryption technique according to the first invention, when the primary test data read by the test result data storage unit is erased by the primary test data storage unit, the encryption according to the second invention When erasing primary test data converted to test performance data in a test method using technology, it is possible to prevent extraction of primary test data during the test and to reduce the burden of managing confidential data .

In the test system using the encryption technology according to the first invention, when the encrypted test recipe and the encrypted test record data are decrypted and output by the second data decryption means, and In the test method using the encryption technique according to the second invention, when the encryption key is acquired, the encrypted test recipe and the encrypted test record data are arbitrarily decrypted and output, Confidentiality can be ensured, and the degree of freedom of browsing the test recipe and test result data can be improved.

In the test system using the encryption technology according to the first invention and the test method using the encryption technology according to the second invention, when the test of the object is a charge / discharge test of a secondary battery, Even if the battery charge / discharge test is outsourced, leakage of confidential data regarding the secondary battery can be prevented.

It is explanatory drawing of the test system using the encryption technique which concerns on one embodiment of this invention. It is a block diagram which shows the structure of the test system using the encryption technique. It is explanatory drawing of the test method using the encryption technique which concerns on one embodiment of this invention. It is explanatory drawing of the test method using the encryption technique.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
As shown in FIG. 1, a test system (hereinafter simply referred to as a test system) 10 using an encryption technique according to an embodiment of the present invention includes a charge / discharge test ( Test recipe storage means 12 that encrypts a test recipe formulated for an example of a test and stores it as a test recipe file, decrypts it in response to a test recipe file read request, and outputs a test recipe; and test recipe storage means Based on the decrypted test recipe obtained by reading the test recipe file with respect to 12, the operation instruction is given to the charge / discharge test apparatus 13 (an example of the test apparatus) that performs the charge / discharge test of the secondary battery 11. Test execution means 14. Further, the test system 10 creates test result data in a preset format from primary test data (binary data) obtained in real time by the charging / discharging test apparatus 13 in operation, encrypts it, and saves it as a CSV data file. Data decoding for decoding the test result data storage means 15, the test recipe file stored in the test recipe storage means 12 and the CSV data file stored in the test result data storage means 15 and outputting them as test recipe and test result data And a converting means 16. Details will be described below.

Here, the secondary battery 11 is a battery that can be regenerated by charging even if it consumes battery energy. Specifically, a lead battery, a nickel-cadmium storage battery, a nickel-hydrogen storage battery, A lithium ion secondary battery, a lithium polymer secondary battery, etc. are said.
The charge / discharge test of the secondary battery 11 is a test performed to confirm whether the charge / discharge characteristics of the secondary battery 11 satisfy the required performance.
Furthermore, the test recipe (charge / discharge test method) formulated for the charge / discharge test of the secondary battery 11 is, for example, constant current charge, constant voltage charge, Information (data) that defines a method for executing a combination of a plurality of modes (basic operations) such as constant power charging, constant current discharging, constant voltage discharging, constant power discharging, charging suspension, and discharging suspension.
The test result data is data used for determining the charge / discharge characteristics of the secondary battery 11 such as the battery voltage, charge / discharge current, and battery capacity of the secondary battery 11.

As shown in FIG. 2, the test recipe storage means 12 sequentially receives information (data) that defines the mode contents and method to be executed by the secondary battery 11, and constitutes a step in which a plurality of modes are arranged in time series. A step condition setting unit 17 having a function of generating data for generating data, a pattern condition setting unit 18 having a function of generating data for configuring a pattern by selecting a plurality of steps and arranging them in time series, And a test condition setting unit 19 having a function of creating a test recipe by selecting these patterns and arranging them in time series. In addition, the test recipe storage unit 12 is connected to the step condition setting unit 17, the pattern condition setting unit 18, and the test condition setting unit 19, respectively, and creates step information, pattern information, and test recipe information that are being created or completed. And a data display unit 20 for display.

Furthermore, the test recipe storage unit 12 includes an encryption determination unit 21 having a function for setting whether or not the created test recipe needs to be encrypted, and when encryption is set by the encryption determination unit 21. A test condition encryption processing unit 22 having a function of deciding an encryption key and encrypting and outputting the test recipe created by the test condition setting unit 19 and the encryption output from the test condition encryption processing unit 22 A data storage unit 23 having a function of receiving a completed test recipe or receiving a test recipe created by the test condition setting unit 19 and storing it as a test recipe file when encryption is set to be unnecessary by the encryption determination unit 21 And the test recipe file read request, the encrypted test recipe file stored in the data storage unit 23 is decrypted, and the unencrypted test recipe file is And a test recipe output unit 24 having a function of outputting a test recipe until state.
In addition, the step condition setting unit 17, the pattern condition setting unit 18, the test condition setting unit 19, the encryption determination unit 21, the test condition encryption processing unit 22, the data storage unit 23, and the test recipe output unit 24 For example, the data display unit 20 can be a display device DP connected to the personal computer PC.

As shown in FIG. 2, the test execution unit 14 outputs a test recipe file read request signal to the test recipe output unit 24 of the test recipe storage unit 12 when executing the charge / discharge test of the secondary battery 11. And a test control unit 26 having a function of instructing the charge / discharge test apparatus 13 to operate based on the test recipe acquired from the test recipe output unit 24. . Here, the charge / discharge test apparatus 13 is connected to the secondary battery 11, supplies power to the secondary battery 11 when the secondary battery 11 is charged, and receives power from the secondary battery 11 when the secondary battery 11 is discharged. Based on the operation instruction from the power execution unit 14 and the test execution means 14, the power supply unit 27 is operated to cause the secondary battery 11 to perform a charge / discharge test. And a power supply control unit 28 that obtains primary test data (for example, time change of voltage value and time change of current value) indicating a response from the secondary battery 11.
Note that the test start setting unit 25 and the test control unit 26 can be configured by, for example, installing a program that expresses each of the above functions in a personal computer PC, and the charge / discharge test apparatus 13 is charged with a secondary battery. Those conventionally used in the discharge test can be used.

As shown in FIG. 2, the test result data storage means 15 has a function of sequentially receiving and encrypting primary test data obtained in real time by the charge / discharge test apparatus 13 (power supply control unit 28) in operation and storing it as a binary data file. A test data in a format set by sequentially decrypting and reading out the binary data file encrypted from the primary test data storage unit 29, and performing a preset process on the primary test data A test result data storage unit 30 having a function of re-encrypting and saving as a CSV data file while converting into the result data. Furthermore, the test result data storage means 15 receives the primary test data stored in the test result data storage unit 30 in response to the primary test data stored in the binary data file in the test result data storage unit 30. A primary test data erasure unit 31 having a function of erasing from the primary test data storage unit 29 is provided. Therefore, the binary data file is a temporary file (temporary file) that exists in the test result data storage unit 15 only for a period of time.
Note that the primary test data storage unit 29, the test result data storage unit 30, and the primary test data deletion unit 31 can be configured by mounting a program that expresses each of the above functions on, for example, a personal computer PC.

As shown in FIG. 2, the data decryption unit 16 decrypts the test recipe file stored in the test recipe storage unit 12 and the CSV data file stored in the test result data storage unit 30 of the test result data storage unit 15. And a data decoding processing unit 32 having a function of outputting the data as a test recipe and test result data, and a test result data display unit 33 for displaying the decrypted test result data. Note that the data decryption processing unit 32 can be configured by installing a program that exhibits the above functions in, for example, a personal computer PC. The test result data display unit 33 can be a display DP connected to the personal computer PC.

Here, the second program independent from the test system 10 (for example, at a plurality of locations different from the test system 10) by mounting the program that expresses the function of the data decoding processing unit 32 on another personal computer PC2. The data decoding means can be arbitrarily configured. Thereby, the encrypted test recipe and test result data can be decrypted by the second data decrypting means by the input of the encryption key, and can be browsed on the display DP2 connected to the personal computer PC2. .

Next, a test method using an encryption technique using the test system 10 using the encryption technique according to an embodiment of the present invention will be described.
The test method using the encryption technique includes a first step of creating a test recipe that gives an operation instruction to the charge / discharge test apparatus 13 that performs a charge / discharge test of the secondary battery 11, encrypting it, and saving it as a test recipe file; From the primary test data obtained in real time in the charge / discharge test device 13 while operating the charge / discharge test device 13 based on the test recipe obtained by decrypting the stored test recipe file, Create a test format data in a preset format, encrypt it, save it as a CSV data file, and decrypt the encrypted test recipe file and CSV data file, respectively, and output it as test recipe and test result data And a third step. Hereinafter, it demonstrates in order.

As shown in FIG. 3, when it is determined that encryption is necessary, the test recipe storage means 12 sets an encryption key so that the created test recipe is automatically encrypted at the time of storage, and the encrypted test Saved as a recipe file. When the test execution means 14 inputs an encryption key and the test start setting unit 25 makes a test recipe file read request, the test recipe file is automatically decrypted when the test control unit 26 reads the test recipe file. Thereby, based on the test recipe which the test control part 26 acquired, operation of the charging / discharging test apparatus 13 is attained. Thereby, it is possible to protect confidential data included in the test recipe including a large number of development factors of the battery manufacturer.
When it is determined that encryption is not necessary, the created test recipe is stored as a test recipe file as it is, and when the test start setting unit 25 makes a test recipe file read request, the test recipe file is directly sent to the test control unit 26. Is read.

When the charge / discharge test apparatus 13 starts the charge / discharge test, primary test data indicating a response from the secondary battery 11 during the test is output from the charge / discharge test apparatus 13 and input to the test result data storage means 15. At this time, primary test data obtained in real time from the power supply control unit 28 of the charge / discharge test apparatus 13 under test is sequentially input to the test result data storage means 15 and automatically encrypted and stored as a binary data file. . The formed binary data file is sequentially decrypted and automatically encrypted when the primary test data is converted into test performance data, and stored as a CSV data file. Then, the primary test data converted into the CSV data file is deleted from the binary data file. Thereby, it is possible to prevent the extraction of the primary test data during the charge / discharge test, and it is possible to protect the confidential data included in the test result data including a large number of development factors of the battery manufacturer.

As shown in FIG. 4, when the charge / discharge test of the secondary battery 11 is completed, the test recipe file and the test result data stored in the test recipe storage unit 12 are entered by inputting the encryption key in the data decryption unit 16. Each CSV data file stored in the storage unit 15 is decrypted and output as a test recipe and test result data, which can be viewed.
If the second data decrypting means is configured by installing a program that expresses the function of the data decryption processing unit 32 in another personal computer PC2, an encryption key is obtained and an encrypted test is performed. By inputting the recipe file and the CSV data file to the personal computer PC2, the decrypted test recipe and test result data can be output (displayed) to the display device DP2 connected to the personal computer PC2. Thereby, the confidentiality of data can be ensured, and the degree of freedom of browsing the test recipe and test result data can be further improved.

As described above, the present invention has been described with reference to the embodiment. However, the present invention is not limited to the configuration described in the above-described embodiment, and the matters described in the scope of claims. Other embodiments and modifications conceivable within the scope are also included.

10: Test system, 11: Secondary battery, 12: Test recipe storage means, 13: Charge / discharge test device, 14: Test execution means, 15: Test result data storage means, 16: Data decoding means, 17: Step condition Setting unit, 18: Pattern condition setting unit, 19: Test condition setting unit, 20: Data display unit, 21: Encryption determination unit, 22: Test condition encryption processing unit, 23: Data storage unit, 24: Test recipe output Unit: 25: test start setting unit, 26: test control unit, 27: power supply unit, 28: power supply control unit, 29: primary test data storage unit, 30: test result data storage unit, 31: primary test data deletion unit, 32: Data decoding processing unit, 33: Test result data display unit

Claims (10)

A test recipe storing means for encrypting and storing a test recipe formulated for testing an object, and decoding and outputting the test recipe in response to reading of the test recipe;
Based on the decrypted test recipe acquired from the test recipe storage means, a test execution means for giving an operation instruction to a test apparatus for testing the object;
Test result data storage means for creating test result data in a preset format from the primary test data obtained in real time by the test apparatus in operation, encrypting and storing the data,
A data decrypting means for decrypting and outputting the test recipe stored in the test recipe storing means and the test record data stored in the test record data storing means, respectively. Test system used. The test system using the encryption technology according to claim 1, wherein the test result data storage means includes a primary test data storage unit that sequentially encrypts and stores the primary test data, and the primary test data storage unit from the primary test data storage unit. A test system using an encryption technique, comprising: a test result data storage unit that sequentially decrypts and reads test data, converts the test data to the test result data, and encrypts and stores the data again. 3. The test system using the encryption technology according to claim 2, wherein the primary test data read by the test result data storage unit is erased in the primary test data storage unit. Test system using. The test system using the encryption technology according to claim 1, wherein the encrypted test recipe and the encrypted test performance data are decrypted by a second data decryption unit. A test system using an encryption technique characterized by being output after being converted into an output. The test system using the encryption technique according to claim 1, wherein the test of the object is a charge / discharge test of a secondary battery. Test system. A first step of creating a test recipe for giving an operation instruction to a test apparatus for testing an object, and storing the encrypted data;
The stored test recipe is decrypted, and the test apparatus is operated on the basis of the decrypted test recipe to execute the test. From the primary test data obtained in real time by the test apparatus, the preset is set in advance. A second step of creating, encrypting and storing test results data in a format;
And a third step of decrypting and outputting the encrypted test recipe and the test result data, respectively, and a test method using an encryption technique. 7. The test method using an encryption technique according to claim 6, wherein in the second step, the primary test data is sequentially encrypted and stored, and the stored primary test data is sequentially decrypted and read out. A test method using an encryption technique characterized in that the data is encrypted and stored again while being converted into an image. 8. A test method using an encryption technique according to claim 7, wherein the primary test data converted into the test result data is erased. The test method using the encryption technique according to any one of claims 6 to 8, wherein an encryption key is acquired, and the encrypted test recipe and the encrypted test result data are arbitrarily set. A test method using an encryption technique characterized by decrypting and outputting. 10. The test method using the encryption technique according to claim 6, wherein the test of the object is a charge / discharge test of a secondary battery. Test method.

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