CN114691493A - Lithium battery testing method and system - Google Patents
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- CN114691493A CN114691493A CN202210187678.XA CN202210187678A CN114691493A CN 114691493 A CN114691493 A CN 114691493A CN 202210187678 A CN202210187678 A CN 202210187678A CN 114691493 A CN114691493 A CN 114691493A
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- 238000012360 testing method Methods 0.000 title claims abstract description 335
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 63
- 238000007405 data analysis Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 3
- 238000005070 sampling Methods 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 19
- 238000004458 analytical method Methods 0.000 claims description 11
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- 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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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Abstract
The invention provides a lithium battery testing method and a system in the technical field of lithium battery testing, wherein the method comprises the following steps: s10, establishing a test scheme of the lithium battery on the upper computer, and sending the test scheme to the corresponding middle computer through the Ethernet; step S20, the middle computer receives and stores the test scheme, analyzes the test scheme to generate a test instruction, and sends the test instruction to a corresponding lower computer through the Ethernet; step S30, the lower computer executes the received test instruction and returns test data to the middle computer; and S40, the middle computer stores the received test data and transmits the test data to the upper computer for data analysis. The invention has the advantages that: response speed, flexibility and expansibility of lithium battery tests are greatly improved.
Description
Technical Field
The invention relates to the technical field of lithium battery testing, in particular to a lithium battery testing method and a lithium battery testing system.
Background
With the rise and development of new energy, the lithium battery as a green high-energy chemical power supply has the advantages of high energy, high power, low cost and the like, and is widely applied to the new energy industry. In order to ensure the safety of the lithium battery, a series of tests are required to be carried out on the lithium battery before the lithium battery is delivered from a factory.
For the test of lithium cell, adopt the two-layer framework of host computer with the lower computer to go on in the tradition, carry out human-computer interaction, data analysis promptly through the host computer to control the lower computer and carry out the test scheme, nevertheless have following shortcoming: 1. a large amount of resources are consumed for executing the data analysis and control test scheme, and when the data analysis and control test scheme are executed at the same time, the data analysis and control test scheme and the control test scheme are mutually influenced, so that the response is not timely; 2. when software is upgraded, all test channels (lower computers) need to be stopped, so that the flexibility is poor and the expansibility is poor.
Therefore, how to provide a lithium battery testing method and system to improve the response speed, flexibility and expansibility of lithium battery testing becomes a technical problem to be solved urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a lithium battery test method and system, so that the response speed, flexibility and expansibility of lithium battery test are improved.
In a first aspect, the present invention provides a lithium battery testing method, including the following steps:
s10, establishing a test scheme of the lithium battery on the upper computer, and sending the test scheme to the corresponding middle computer through the Ethernet;
step S20, the middle computer receives and stores the test scheme, analyzes the test scheme to generate a test instruction, and sends the test instruction to a corresponding lower computer through the Ethernet;
step S30, the lower computer executes the received test instruction and returns test data to the middle computer;
and S40, the middle computer saves the received test data and transmits the test data to the upper computer for data analysis.
Further, in step S10, the test scheme includes a plurality of test steps, a sampling period, a jump condition, a stop condition, and an alarm condition, and each of the test steps includes a plurality of test parameters.
Further, the step S20 specifically includes:
step S21, the middle position machine receives the test scheme sent by the upper position machine through the first network card and stores the test scheme in the solid state disk;
step S22, the middle position machine analyzes the test scheme to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generates a test instruction based on the test step and the sampling period;
and step S23, the middle computer sends the test instruction to the corresponding lower computer through the second network card based on a preset message protocol.
Further, the step S30 is specifically:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
Further, the step S40 is specifically:
the middle computer receives the test data, stores the test data in the solid state disk, and controls the lower computer to execute jump operation, stop operation or alarm operation based on the test data, the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis.
In a second aspect, the present invention provides a lithium battery testing system, including the following modules:
the test scheme creating module is used for creating a test scheme of the lithium battery on the upper computer and sending the test scheme to the corresponding middle computer through the Ethernet;
the test scheme analysis module is used for receiving and storing the test scheme by the central computer, analyzing the test scheme to generate a test instruction and sending the test instruction to the corresponding lower computer through the Ethernet;
the test instruction execution module is used for the lower computer to execute the received test instruction and return test data to the middle computer;
and the test data transmission analysis module is used for storing the received test data by the central computer and transmitting the test data to the upper computer for data analysis.
Further, in the test scheme creating module, the test scheme includes a plurality of test steps, a sampling period, a jump condition, a stop condition, and an alarm condition, and each of the test steps includes a plurality of test parameters.
Further, the test scheme analysis module specifically includes:
the test scheme receiving and storing unit is used for receiving the test scheme sent by the upper computer through the first network card by the middle computer and storing the test scheme in the solid state disk;
the test instruction generating unit is used for analyzing the test scheme by the central computer to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generating a test instruction based on the test step and the sampling period;
and the test instruction sending unit is used for sending the test instruction to the corresponding lower computer by the middle computer through the second network card based on a preset message protocol.
Further, the test instruction execution module specifically includes:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
Further, the test data transmission analysis module specifically includes:
the middle computer receives the test data, stores the test data in the solid state disk, and controls the lower computer to execute jump operation, stop operation or alarm operation based on the test data, the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis.
The invention has the advantages that:
1. the method comprises the steps that a three-layer framework of an upper computer, a middle computer and a lower computer is adopted, the upper computer sends a created test scheme to the middle computer, the middle computer stores and analyzes the test scheme sent by the upper computer to generate a test instruction, the lower computer is controlled to execute a test through the test instruction, the middle computer obtains and stores test data of the lower computer, and the upper computer obtains the test data from the middle computer at regular time to analyze the data; carry out data analysis through the host computer promptly, control the next computer through the well host computer and carry out the test, the host computer respectively plays its own function mutually noninterference, and well host computer adopts solid state hard disk to save data, for traditional SD card, very big promotion data read-write speed, final very big promotion the response speed of lithium battery test.
2. By adopting a three-layer framework of an upper computer, a middle computer and a lower computer and arranging a solid-state hard disk in the middle computer for storing a test scheme and test data, the middle computer can be separated from the upper computer to carry out independent test, namely off-line operation is supported, and the upper computer and the middle computer do not influence each other when software is upgraded; when the test channels need to be increased or reduced, only the number of the connected middle computers needs to be adjusted, the existing test channels are not affected, the test cost can be effectively reduced, and finally the flexibility and the expansibility of the lithium battery test are greatly improved.
3. Through setting up first network card and host computer communication at the well computer, set up second network card and next computer communication for when the host computer obtains test data from the host computer through first network card, can not influence the data acquisition of host computer to the next computer, and then very big promotion the stability of lithium cell test.
Drawings
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a flow chart of a lithium battery testing method according to the present invention.
Fig. 2 is a schematic structural diagram of a lithium battery test system according to the present invention.
Fig. 3 is a hardware architecture diagram of the present invention.
FIG. 4 is a schematic flow diagram of the present invention.
Detailed Description
The technical scheme in the embodiment of the application has the following general idea: the three-layer framework of an upper computer, a middle computer and a lower computer is adopted, data analysis is carried out through the upper computer, the lower computer is controlled through the middle computer to carry out testing, the upper computer and the middle computer respectively perform own functions without mutual interference, a solid state hard disk is arranged in the middle computer and used for storing a testing scheme and testing data, the middle computer can be separated from the upper computer to carry out independent testing, software is not influenced mutually when being upgraded, when testing channels need to be increased and decreased, only the number of the connected middle computers needs to be adjusted, and the response speed, flexibility and expansibility of lithium battery testing are improved.
Referring to fig. 1 to 4, a preferred embodiment of a lithium battery testing method according to the present invention includes the following steps:
s10, establishing a test scheme of the lithium battery on the upper computer, and sending the test scheme to the corresponding middle computer through the Ethernet; the test scheme is sent to the middle computer, and the middle computer controls the lower computer to execute the test, so that the upper computer can leave more resources for managing more test channels (middle computers);
step S20, the middle computer receives and stores the test scheme, analyzes the test scheme to generate a test instruction, and sends the test instruction to a corresponding lower computer through the Ethernet, namely the test of the lithium battery is controlled by the middle computer to share the pressure for the upper computer;
step S30, the lower computer executes the received test instruction and returns test data to the middle computer;
and S40, the middle computer saves the received test data and transmits the test data to the upper computer for data analysis.
The upper computer is connected with a plurality of middle computers, the middle computers are connected with a plurality of lower computers, and each middle computer is provided with a first network card, a second network card and a solid state disk; by arranging the first network card and the second network card, the interference of the upper computer reading the data of the middle computer and the interference of the middle computer reading the data of the lower computer can be avoided; the data reading and writing speed can be greatly improved by setting the data stored in the solid state disk, so that the response speed is greatly improved; the central computer runs a real-time operating system, and the response speed is further improved.
The upper computer is used for man-machine interaction, establishing the test scheme, managing the middle computer, acquiring test data from the middle computer and analyzing the data; the middle computer is used for analyzing the test scheme to generate a test instruction, controlling the lower computer to execute the test instruction and acquiring test data from the lower computer; the lower computer is used for executing a test instruction on the lithium battery and acquiring test data based on a sampling period and transmitting the test data to the middle computer.
In step S10, the test scheme includes a plurality of test steps, a sampling period, a jump condition, a stop condition, and an alarm condition, and each of the test steps includes a plurality of test parameters. In specific implementation, a plurality of the test schemes can be created, and then a user selects which one is to be specifically executed.
The step S20 specifically includes:
step S21, the middle position machine receives the test scheme sent by the upper position machine through the first network card and stores the test scheme in the solid state disk;
step S22, the middle position machine analyzes the test scheme to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generates a test instruction based on the test step and the sampling period;
and step S23, the middle computer sends the test instruction to the corresponding lower computer through the second network card based on a preset message protocol.
The step S30 specifically includes:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
The step S40 specifically includes:
the middle computer receives the test data, stores the test data in a binary format in a solid state disk, and controls the lower computer to execute a jump operation, a stop operation or an alarm operation based on the test data (actual battery parameters), the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis. And the communication among the upper computer, the middle computer and the lower computer is connected and transferred through the switch.
The invention discloses a preferred embodiment of a lithium battery test system, which comprises the following modules:
the test scheme creating module is used for creating a test scheme of the lithium battery on the upper computer and sending the test scheme to the corresponding middle computer through the Ethernet; the test scheme is sent to the middle computer, and the middle computer controls the lower computer to execute the test, so that the upper computer can leave more resources for managing more test channels (middle computers);
the test scheme analyzing module is used for receiving and storing the test scheme by the central computer, analyzing the test scheme to generate a test instruction, and sending the test instruction to the corresponding lower computer through the Ethernet, namely the test of the lithium battery is controlled by the central computer and the upper computer shares pressure;
the test instruction execution module is used for the lower computer to execute the received test instruction and return test data to the middle computer;
and the test data transmission analysis module is used for storing the received test data by the central computer and transmitting the test data to the upper computer for data analysis.
The upper computer is connected with a plurality of middle computers, the middle computers are connected with a plurality of lower computers, and each middle computer is provided with a first network card, a second network card and a solid state disk; by arranging the first network card and the second network card, the interference of the upper computer reading the data of the middle computer and the interference of the middle computer reading the data of the lower computer can be avoided; the data reading and writing speed can be greatly improved by setting the data stored in the solid state disk, so that the response speed is greatly improved; the central computer runs a real-time operating system, and the response speed is further improved.
The upper computer is used for man-machine interaction, establishing the test scheme, managing the middle computer, acquiring test data from the middle computer and analyzing the data; the middle computer is used for analyzing the test scheme to generate a test instruction, controlling the lower computer to execute the test instruction and acquiring test data from the lower computer; the lower computer is used for executing a test instruction on the lithium battery and acquiring test data based on a sampling period and transmitting the test data to the middle computer.
In the test scheme creating module, the test scheme comprises a plurality of test steps, a sampling period, a jump condition, a stop condition and an alarm condition, and each test step comprises a plurality of test parameters. In specific implementation, a plurality of the test schemes can be created, and then a user selects which one is to be specifically executed.
The test scheme analysis module specifically comprises:
the test scheme receiving and storing unit is used for receiving the test scheme sent by the upper computer through the first network card by the middle computer and storing the test scheme in the solid state disk;
the test instruction generating unit is used for analyzing the test scheme by the central computer to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generating a test instruction based on the test step and the sampling period;
and the test instruction sending unit is used for sending the test instruction to the corresponding lower computer by the middle computer through the second network card based on a preset message protocol.
The test instruction execution module specifically comprises:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
The test data transmission analysis module specifically comprises:
the middle computer receives the test data, stores the test data in a binary format in a solid state disk, and controls the lower computer to execute a jump operation, a stop operation or an alarm operation based on the test data (actual battery parameters), the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis. And the communication among the upper computer, the middle computer and the lower computer is connected and transferred through the switch.
In summary, the invention has the advantages that:
1. the upper computer sends the created test scheme to the middle computer by adopting a three-layer framework of the upper computer, the middle computer and the lower computer, the middle computer stores and analyzes the test scheme sent by the upper computer to generate a test instruction, the lower computer is controlled to execute the test by the test instruction, the middle computer acquires and stores test data of the lower computer, and the upper computer acquires the test data from the middle computer at regular time to perform data analysis; carry out data analysis through the host computer promptly, control the next computer through the well host computer and carry out the test, the host computer respectively plays its own function mutually noninterference, and well host computer adopts solid state hard disk to save data, for traditional SD card, very big promotion data read-write speed, final very big promotion the response speed of lithium battery test.
2. By adopting a three-layer framework of an upper computer, a middle computer and a lower computer and arranging a solid-state hard disk in the middle computer for storing a test scheme and test data, the middle computer can be separated from the upper computer to carry out independent test, namely off-line operation is supported, and the upper computer and the middle computer do not influence each other when software is upgraded; when the test channels need to be increased or reduced, only the number of the connected middle computers needs to be adjusted, the existing test channels are not affected, the test cost can be effectively reduced, and finally the flexibility and the expansibility of the lithium battery test are greatly improved.
3. Through setting up first network card and host computer communication at the well computer, set up second network card and next computer communication for when the host computer obtains test data from the host computer through first network card, can not influence the data acquisition of host computer to the next computer, and then very big promotion the stability of lithium cell test.
While specific embodiments of the invention have been described, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, as equivalent modifications and variations as will be made by those skilled in the art in light of the spirit of the invention are intended to be included within the scope of the appended claims.
Claims (10)
1. A lithium battery test method is characterized in that: the method comprises the following steps:
s10, establishing a test scheme of the lithium battery on the upper computer, and sending the test scheme to the corresponding middle computer through the Ethernet;
step S20, the middle computer receives and stores the test scheme, analyzes the test scheme to generate a test instruction, and sends the test instruction to a corresponding lower computer through the Ethernet;
step S30, the lower computer executes the received test instruction and returns test data to the middle computer;
and S40, the middle computer saves the received test data and transmits the test data to the upper computer for data analysis.
2. The lithium battery test method of claim 1, wherein: in step S10, the test scheme includes a plurality of test steps, a sampling period, a jump condition, a stop condition, and an alarm condition, and each of the test steps includes a plurality of test parameters.
3. The lithium battery test method of claim 1, wherein: the step S20 specifically includes:
step S21, the middle position machine receives the test scheme sent by the upper position machine through the first network card and stores the test scheme in the solid state disk;
step S22, the middle position machine analyzes the test scheme to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generates a test instruction based on the test step and the sampling period;
and step S23, the middle computer sends the test instruction to the corresponding lower computer through the second network card based on a preset message protocol.
4. The lithium battery test method of claim 1, wherein: the step S30 specifically includes:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
5. The lithium battery test method of claim 2, wherein: the step S40 specifically includes:
the middle computer receives the test data, stores the test data in the solid state disk, and controls the lower computer to execute jump operation, stop operation or alarm operation based on the test data, the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis.
6. A lithium battery test system is characterized in that: the system comprises the following modules:
the test scheme creating module is used for creating a test scheme of the lithium battery on the upper computer and sending the test scheme to the corresponding middle computer through the Ethernet;
the test scheme analysis module is used for receiving and storing the test scheme by the central computer, analyzing the test scheme to generate a test instruction and sending the test instruction to the corresponding lower computer through the Ethernet;
the test instruction execution module is used for the lower computer to execute the received test instruction and return test data to the middle computer;
and the test data transmission analysis module is used for storing the received test data by the central computer and transmitting the test data to the upper computer for data analysis.
7. The lithium battery test system of claim 6, wherein: in the test scheme creating module, the test scheme comprises a plurality of test steps, a sampling period, a jump condition, a stop condition and an alarm condition, and each test step comprises a plurality of test parameters.
8. The lithium battery test system of claim 6, wherein: the test scheme analysis module specifically comprises:
the test scheme receiving and storing unit is used for receiving the test scheme sent by the upper computer through the first network card by the middle computer and storing the test scheme in the solid state disk;
the test instruction generating unit is used for analyzing the test scheme by the central computer to obtain a test step, a sampling period, a jump condition, a stop condition and an alarm condition, and generating a test instruction based on the test step and the sampling period;
and the test instruction sending unit is used for sending the test instruction to the corresponding lower computer by the middle computer through the second network card based on a preset message protocol.
9. The lithium battery test system of claim 6, wherein: the test instruction execution module specifically comprises:
the lower computer receives the test instruction sent by the central computer, analyzes the test instruction to obtain a test step and a sampling period, tests the lithium battery based on the test step, collects test data of the lithium battery based on the sampling period, and returns the test data to the central computer at regular time.
10. The lithium battery test system of claim 7, wherein: the test data transmission analysis module specifically comprises:
the middle computer receives the test data, stores the test data in the solid state disk, and controls the lower computer to execute jump operation, stop operation or alarm operation based on the test data, the jump condition, the stop condition and the alarm condition;
and the upper computer acquires the test data from the middle computer at regular time through the FTP for data analysis.
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| CN116501359A (en) * | 2023-06-29 | 2023-07-28 | 深圳和润达科技有限公司 | Method, device, system and medium for carrying out self-adaptive remote upgrading on equipment |
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