CN110764036A - Intelligent distribution transformer terminal test method and system - Google Patents
Intelligent distribution transformer terminal test method and system Download PDFInfo
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- CN110764036A CN110764036A CN201911036537.2A CN201911036537A CN110764036A CN 110764036 A CN110764036 A CN 110764036A CN 201911036537 A CN201911036537 A CN 201911036537A CN 110764036 A CN110764036 A CN 110764036A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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Abstract
The invention discloses an intelligent distribution transformer terminal testing method, which comprises the following steps: the automatic deployment of the device running environment, the automatic installation of the APP and the automatic check of the installation result and the function test are realized by constructing the links of the test environment based on serial communication and SSH2 protocol network communication, serial communication thread processing, TCP communication thread processing, test task ending judgment and device test report output. The invention also discloses an intelligent distribution transformer terminal test system, which comprises: the system comprises an upper computer, a high-precision meter, a high-precision program control alternating current source, a network switch, a serial server, an export control module and N intelligent distribution transformer terminals.
Description
Technical Field
The invention relates to the field of power system equipment test. The method is particularly suitable for large-batch whole machine testing and APP deployment of the intelligent distribution transformer terminal of the power system.
Background
An intelligent distribution transformation terminal ttu (intelligent distribution transformation) is used as a core device of a low-voltage distribution ubiquitous internet of things, and inevitably plays an important role in the construction of the current ubiquitous power internet of things. The power distribution network is used as the last link from production to users of electric energy and as the lowest data node of holographic sensing and ubiquitous connection of the ubiquitous power internet of things, so that the source-network-load integrated coordination optimization management capability and the overall operation reliability and economy of the power distribution system are effectively improved.
The intelligent distribution transformer terminal is secondary equipment integrating functions of power supply information acquisition of a distribution substation area, equipment state monitoring and communication networking, local analysis and decision, main station communication, cooperative computing and the like, adopts a platform hardware design and a distributed edge computing architecture, and supports service function realization and flexible expansion in a software definition mode. The system realizes virtual independent operation environment by providing container mode, and a plurality of APPs are in the container, through division and isolation to terminal part physical resources (CPU, memory, disk, network resources and the like), thereby shielding the mutual influence of APP and other containers or operating systems in the container.
The intelligent distribution transformer terminal is used as special secondary power equipment and needs various strict tests such as type tests, delivery tests, professional detection, delivery tests and the like from production to installation. The intelligent distribution transformer terminal is used as an important node of a ubiquitous power Internet of things, and the defects of complex configuration, long testing time and the like seriously restrict the quick use of the intelligent distribution transformer terminal. The quality of the product is directly related to the construction effect of the ubiquitous power Internet of things. How to improve the production and test capability of the intelligent distribution transformer terminal and meet the increasingly expanded power distribution service requirement is one of the problems to be solved urgently in the current stage.
In order to solve the problem, a new automatic testing technical solution is provided according to the device characteristics and the production actual testing situation of the intelligent distribution transformer terminal, and an intelligent distribution transformer terminal automatic testing method and system are provided to realize intelligent production testing and APP deployment of the intelligent distribution transformer terminal in a large production mode so as to improve the production testing efficiency and the intelligent degree of enterprises.
Disclosure of Invention
The purpose of the invention is as follows: aiming at a series of problems that an intelligent distribution transformer terminal is long in test time, the running environment of a manual deployment system and the APP installation are quite complicated and the like, an automatic test implementation method and system for the intelligent distribution transformer terminal are provided.
In order to solve the technical problems, the invention adopts the following solution: an intelligent distribution transformer terminal testing method comprises the following steps:
constructing a test environment based on serial port communication and SSH2 protocol network communication: the method comprises the steps of positioning N intelligent distribution and transformation terminals based on serial port communication, and automatically planning and setting IP addresses and subnet masks of the N intelligent distribution and transformation terminals;
processing a serial port communication thread: carrying out environment deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol;
TCP communication thread processing: based on SSH2 protocol, simultaneously carrying out sampling channel calibration and function test of N intelligent distribution transformer terminals;
judging the end of the test task: analyzing serial communication and SSH2 communication characters, and judging whether the test command sub-process is finished according to specific characters;
and (3) outputting a device test report: and after the system test is finished, automatically outputting N intelligent distribution transformer terminal test reports, and sequentially uploading the N intelligent distribution transformer terminal test reports to the enterprise cloud.
Further, in the foregoing scheme, the APP deployment of the intelligent distribution terminal includes: downloading a big packet and a container file, installing the big packet, creating and starting and stopping the container, installing container equipment, setting IP port mapping, setting system time, downloading APP, installing the APP, acquiring APP state information and acquiring the ESN number of a CPU core board.
Further, in the above scheme, the calibration and test of the intelligent distribution transformer terminal includes: the method comprises the steps of precision calibration resetting, precision calibration initialization, precision calibration, sampling value data refreshing and detection.
Further, in the above scheme, the intelligent distribution transformer terminal test report includes an ESN number of the CPU core board of the device and an ID number of the intelligent distribution transformer terminal, so as to establish mapping association among the CPU core board of the intelligent distribution transformer terminal, the intelligent distribution transformer terminal chassis, and the order data.
Further, in the above scheme, during the serial communication thread processing, a plurality of serial communication threads are constructed, and the serial port number is used as a unique data stream index to perform all analyses of serial terminal communication data, key character information extraction, and test command issue.
Further, in the above scheme, in the TCP communication thread processing, IP mapping from serial port numbers to N intelligent distribution transformer terminals is established, and then corresponding SSH2 protocol communication threads are created according to an IP list, so as to implement data mapping from SSH2 threads to corresponding intelligent distribution transformer terminals.
Further, in the above solution, the content of the structure for executing a series of commands by SSH2 protocol or serial terminal communication protocol is: executing the command string sCmd, executing the command waiting time nExeCommdWaitTime, executing the command to the maximum waiting time nExeCommdWaitMaxTime of the return result, and executing the command prompt sHintMsg.
Further, in the above scheme, before setting the IP address of the intelligent distribution terminal, the IP addresses of two physical ports, namely FE0 and FE1, of the intelligent distribution terminal are obtained, and then the IP addresses are deleted to ensure that each physical port has a unique IP address. The IP address deletion adopts: the inquiry, deletion and inquiry modes specifically include: if the IP address of the port can be correctly obtained, a command for deleting the current IP address is generated, the command is inserted into the current command sequence and immediately executed, and if the IP address cannot be obtained by the port, the IP address distributed by the port is set.
The invention also correspondingly provides an intelligent distribution transformer terminal test system, which comprises: the intelligent distribution transformer comprises an upper computer, a high-precision meter, a high-precision program control alternating current source, a network switch, a serial server, an export control module and N intelligent distribution transformer terminals. The upper computer builds an integrated test control center through test system software, and performs message receiving and sending, control command issuing, test judgment and test report uploading through a network switch. The high-precision meter, the high-precision program-controlled alternating current source, the serial server, the export control module and the intelligent distribution transformer terminal are communicated with an upper computer through a network switch and receive a control command issued by the upper computer. And the high-precision program-controlled alternating current source outputs voltage and current to the intelligent distribution transformer terminal, and the voltage and the current output by the intelligent distribution transformer terminal are subjected to precision calibration. The high-precision meter three-phase voltage input is connected with the intelligent distribution and transformation terminal three-phase voltage input in parallel, the three-phase current input is connected with the intelligent distribution and transformation terminal three-phase current input in series, and the current and voltage value output of the high-precision program-controlled alternating current source is monitored and early warned. The switch-out control module is connected with a switch value input end of the intelligent distribution transformer terminal, and the switch-in test is carried out on the intelligent distribution transformer terminal under the control command of the upper computer. The serial server is connected with the intelligent distribution transformer terminal in a one-to-one correspondence manner through serial communication lines; the upper computer constructs a plurality of serial port communication threads, takes a serial port number as a unique data stream index, realizes serial port data analysis, key character information extraction, and test command issuing, analyzes serial port terminal communication characters, and judges whether a test command sub-flow is finished according to specific characters.
In the system, the upper computer simultaneously calibrates and tests the N intelligent distribution transformer terminals through the network switch based on the SSH2 protocol.
In the system, the upper computer performs APP deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol.
In the system, the upper computer monitors the power-on states of the intelligent distribution transformer terminals by monitoring serial port messages of the intelligent distribution transformer terminals, and automatically completes large package installation, container installation, equipment installation, time setting and APP test installation according to state data. And finishing IP setting of a plurality of intelligent distribution transformation terminals according to a set sequence, and constructing a test environment which simultaneously supports SERIAL communication and SSH2 network communication. And the precision check reset, the precision check initialization, the precision calibration, the real-time refreshing of three-phase voltage, three-phase current, power and frequency data and the result detection are realized. And (4) executing serial port test, starting test, PT100 test, automatic installation of engineering APP and automatic detection of an APP installation result according to a set sequence. And downloading the proxy file and setting LTE configuration data according to a set sequence, thereby realizing normal operation of the intelligent distribution transformer terminal.
The invention has the following beneficial effects:
1. the automatic testing and APP automatic installation and deployment of the intelligent distribution transformer terminal are realized; the intelligent distribution transformer terminal complete machine testing system comprises automation and batching of intelligent distribution transformer terminal system operation environment deployment, automation and batching of precision verification, automation and batching of device entry detection, automation and batching of device communication detection, automation and batching of device PT100 detection, achieves intelligent and efficient testing of electric power system intelligent distribution transformer terminal complete machine testing, and effectively improves large-scale production testing efficiency and production intelligent manufacturing level of electric power production enterprises about intelligent distribution transformer terminals.
2. The testing process of the whole intelligent distribution transformer terminal in large production is standardized, and the production testing efficiency is effectively improved; the system plays a positive exploration role in the intelligent manufacture of the intelligent distribution and transformation terminal of the power system, and effectively promotes the construction of the current ubiquitous power internet of things.
Drawings
FIG. 1 is a schematic diagram of a core data processing flow of an intelligent distribution transformer terminal.
Fig. 2 shows a structure diagram of an automatic testing system of an intelligent distribution transformer terminal.
Detailed Description
The technical solution and the advantages of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides an embodiment of an intelligent distribution transformer terminal testing method, which comprises the following steps:
constructing a test environment based on serial port communication and SSH2 protocol network communication: the method comprises the steps of positioning N intelligent distribution and transformation terminals based on serial port communication, and setting IP addresses and subnet masks of the N intelligent distribution and transformation terminals.
Processing a serial port communication thread: and carrying out environment deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol.
TCP communication thread processing: and simultaneously carrying out sampling channel calibration and function test of the N intelligent distribution transformer terminals based on the SSH2 protocol.
Judging the end of the test task: and analyzing serial communication and SSH2 communication characters, and judging whether the test command subprocess is finished according to the specific characters.
And (3) outputting a device test report: after the test is finished, the system automatically outputs N intelligent distribution transformer terminal test reports, and the N intelligent distribution transformer terminal test reports are sequentially uploaded to the enterprise cloud.
Fig. 1 is a schematic diagram of processing data by a serial port communication thread and a TCP communication thread of an intelligent distribution transformer terminal.
Wherein, the APP of intelligence distribution transformer terminal deploys including: downloading a big packet and a container file, installing the big packet, creating and starting and stopping the container, installing container equipment, setting IP port mapping, setting system time, downloading APP, installing the APP, acquiring APP state information and acquiring the ESN number of a CPU core board.
Wherein, the calibration and the test of intelligence distribution transformer terminal include: the method comprises the steps of precision calibration resetting, precision calibration initialization, precision calibration, sampling value data refreshing and detection.
The intelligent distribution transformer terminal test report comprises an ESN (electronic service network) number of a CPU core board of the device and an ID (identity) number of the intelligent distribution transformer terminal, and is used for establishing mapping association among the ESN number, the ESN number and the ID number of the intelligent distribution transformer terminal and order data of the CPU core board of the intelligent distribution transformer terminal.
In the serial communication thread processing, a plurality of serial communication threads are constructed, and the serial port number is used as a unique data stream index to perform all analysis of serial terminal communication data, key character information extraction and test command issuing.
In the TCP communication thread processing, IP mapping from serial port numbers to N intelligent distribution and transformation terminals is established, and corresponding SSH2 protocol communication threads are established according to an IP list, so that data mapping from SSH2 threads to corresponding intelligent distribution and transformation terminals is realized.
The construction content of executing a series of commands through an SSH2 protocol or a serial port terminal communication protocol comprises the following components: executing the command string sCmd, executing the command waiting time nExeCommdWaitTime, executing the command to the maximum waiting time nExeCommdWaitMaxTime of the return result, and executing the command prompt sHintMsg.
Before setting the IP address of the intelligent distribution and transformation terminal, the IP addresses of two physical ports of the intelligent distribution and transformation terminal FE0 and FE1 are obtained, and then the IP addresses are deleted to ensure that each physical port has a unique IP address. The IP address deletion adopts: the inquiry, deletion and inquiry modes specifically include: if the IP address of the port can be correctly obtained, a command for deleting the current IP address is generated, the command is inserted into the current command sequence and immediately executed, and if the IP address cannot be obtained by the port, the IP address distributed by the port is set.
The test report of the embodiment shows core test data of the intelligent distribution transformer terminal in a table view, and the core test data comprises test position numbers of the intelligent distribution transformer terminal, bound serial port numbers, three-phase voltage data, three-phase current data, three-phase active data, three-phase reactive data, frequency data, four serial port communication data, two PT100 test data, four access data, terminal ID data and terminal ESN data.
The invention also provides an intelligent distribution transformer terminal test system as shown in fig. 2, which comprises: the intelligent distribution transformer comprises an upper computer, a high-precision meter, a high-precision program control alternating current source, a network switch, a serial server, an export control module and N intelligent distribution transformer terminals. The upper computer builds an integrated test control center through test system software, and performs message receiving and sending, control command issuing, test judgment and test report uploading through a network switch. The high-precision meter, the high-precision program-controlled alternating current source, the serial server, the export control module and the intelligent distribution transformer terminal are communicated with an upper computer through a network switch and receive a control command issued by the upper computer. And the high-precision program-controlled alternating current source outputs voltage and current to the intelligent distribution transformer terminal, and the voltage and the current output by the intelligent distribution transformer terminal are subjected to precision calibration. The high-precision meter three-phase voltage input is connected with the intelligent distribution and transformation terminal three-phase voltage input in parallel, the three-phase current input is connected with the intelligent distribution and transformation terminal three-phase current input in series, and the current and voltage value output of the high-precision program-controlled alternating current source is monitored and early warned. The switch-out control module is connected with a switch value input end of the intelligent distribution transformer terminal, and the switch-in test is carried out on the intelligent distribution transformer terminal under the control command of the upper computer. The serial server is connected with the intelligent distribution transformer terminal in a one-to-one correspondence manner through serial communication lines; the upper computer constructs a plurality of serial port communication threads, takes a serial port number as a unique data stream index, realizes serial port data analysis, key character information extraction, and test command issuing, analyzes serial port terminal communication characters, and judges whether a test command sub-flow is finished according to specific characters.
And the upper computer simultaneously calibrates and tests the N intelligent distribution and transformation terminals through the network switch based on an SSH2 protocol. The upper computer carries out APP deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol.
The upper computer monitors the power-on state of the intelligent distribution transformer terminals by monitoring the serial port messages of the intelligent distribution transformer terminals, and automatically completes large package installation, container installation, equipment installation, time setting and APP test installation according to state data. And finishing IP setting of a plurality of intelligent distribution transformation terminals according to a set sequence, and constructing a test environment which simultaneously supports SERIAL communication and SSH2 network communication. And the precision check reset, the precision check initialization, the precision calibration, the real-time refreshing of three-phase voltage, three-phase current, power and frequency data and the result detection are realized. And (4) executing serial port test, starting test, PT100 test, automatic installation of engineering APP and automatic detection of an APP installation result according to a set sequence. And downloading the proxy file and setting LTE configuration data according to a set sequence, thereby realizing normal operation of the intelligent distribution transformer terminal. The method for quickly installing the APP and checking the APP installation result comprises the following steps: to the APP management folder automatic reading of different engineering usefulness, form the installation order automatically, download automatically, install and read the APP state in the container through the character order, accomplish the judgement of installation APP result through the analytic character, avoid many ann or few ann APP.
The operation method of the intelligent distribution transformer terminal test system comprises the following steps:
step 1: starting intelligent distribution transformer terminal test system software, placing an intelligent distribution transformer terminal to a test bench, and inserting a test connecting line;
step 2: selecting a step-by-step test mode or an automatic test mode;
and step 3: if the test system does not set parameters such as voltage, current, angle and the like, the output parameters of the alternating current program control source need to be set on system software; clicking a power-on button of the device terminal;
and 4, step 4: if the automatic test mode is selected, the system automatically judges, automatically sets a plurality of intelligent distribution transformer terminal IP addresses, automatically installs a large packet, automatically creates a container, and adds equipment to the container; the method comprises the steps of automatically calibrating precision, automatically testing functions, automatically testing PT100, automatically testing the input amount of a device, automatically generating a plurality of intelligent distribution transformer terminal test reports, automatically uploading the reports to an enterprise cloud, automatically detecting the installation condition of an APP and comparing the APP with a file to be installed, and ensuring that the APP is installed in place and is safe;
and 5: if step-by-step testing is selected, manually clicking a button to automatically install a big packet, create a container and add equipment to the container; and manually clicking the button to perform precision calibration resetting, manually clicking the button to perform precision calibration initialization, manually clicking the button to perform precision calibration, and manually clicking the button to perform analog quantity data refreshing. And manually clicking the button to perform function test, and manually clicking the button to perform test report generation and uploading to an enterprise cloud.
Step 6: and the intelligent distribution transformer terminal is powered off, replaced and subjected to next batch test.
The above examples are only for illustrating the technical idea of the present invention, and the scope of the present invention should not be limited thereby, and all modifications made on the basis of the technical solution according to the technical idea of the present invention are within the scope of the present invention.
Claims (12)
1. An intelligent distribution transformer terminal test method is characterized by comprising the following steps:
constructing a test environment based on serial port communication and SSH2 protocol network communication: the method comprises the steps of positioning N intelligent distribution and transformation terminals based on serial port communication, and automatically planning and setting IP addresses and subnet masks of the N intelligent distribution and transformation terminals;
processing a serial port communication thread: carrying out environment deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol;
TCP communication thread processing: based on SSH2 protocol, simultaneously carrying out sampling channel calibration and function test of N intelligent distribution transformer terminals;
judging the end of the test task: analyzing serial communication and SSH2 communication characters, and judging whether the test command sub-process is finished according to specific characters;
and (3) outputting a device test report: and after the system test is finished, automatically outputting N intelligent distribution transformer terminal test reports, and sequentially uploading the N intelligent distribution transformer terminal test reports to the enterprise cloud.
2. The intelligent distribution transformer terminal testing method according to claim 1, wherein the environment deployment of the intelligent distribution transformer terminal comprises: downloading a big packet and a container file, installing the big packet, creating and starting and stopping the container, installing container equipment, setting IP port mapping, setting system time, downloading APP, installing the APP, acquiring APP state information and acquiring the ESN number of a CPU core board.
3. The intelligent distribution transformer terminal testing method as claimed in claim 1, wherein the sampling channel calibration and function test of the intelligent distribution transformer terminal comprises: the method comprises the steps of precision calibration resetting, precision calibration initialization, precision calibration, sampling value data refreshing and detection.
4. The method as claimed in claim 1, wherein the test report of the intelligent distribution transformer terminal comprises an ESN number of the device CPU core board and an ID number of the intelligent distribution transformer terminal, so as to establish mapping association between the intelligent distribution transformer terminal CPU core board, the intelligent distribution transformer terminal chassis and the order data.
5. The intelligent distribution transformer terminal test method as claimed in claim 1, wherein in the serial communication thread processing, a plurality of serial communication threads are constructed, and the serial port number is used as a unique data stream index to perform all analyses of serial terminal communication data, key character information extraction and test command issuing.
6. The method as claimed in claim 1, wherein in the TCP communication thread processing, serial port numbers are mapped to N intelligent distribution transformer terminals IP, and then corresponding SSH2 protocol communication threads are created according to an IP list, so as to implement data mapping from SSH2 threads to corresponding intelligent distribution transformer terminals.
7. The method as claimed in claim 1, wherein the method for testing the intelligent distribution transformer terminal executes a series of commands through SSH2 protocol or serial port terminal communication protocol, and comprises the following steps: executing the command string sCmd, executing the command waiting time nExeCommdWaitTime, executing the command to the maximum waiting time nExeCommdWaitMaxTime of the return result, and executing the command prompt sHintMsg.
8. The intelligent distribution transformer terminal test method as claimed in claim 1, wherein before setting the intelligent distribution transformer terminal IP address, the IP addresses of two physical ports of the intelligent distribution transformer terminals FE0 and FE1 are obtained, and then the IP addresses are deleted to ensure that each physical port has a unique IP address;
the IP address deletion adopts: the inquiry, deletion and inquiry modes specifically include: if the IP address of the port can be correctly obtained, a command for deleting the current IP address is generated, the command is inserted into the current command sequence and immediately executed, and if the IP address cannot be obtained by the port, the IP address distributed by the port is set.
9. An intelligent distribution transformer terminal test system, characterized in that, the test system includes: the system comprises an upper computer, a high-precision meter, a high-precision program control alternating current source, a network switch, a serial server, an export control module and N intelligent distribution and transformation terminals;
the upper computer builds an integrated test control center through test system software, and performs message receiving and sending, control command issuing, test result judgment and test report uploading through a network switch;
the high-precision meter, the high-precision program-controlled alternating current source, the serial server, the export control module and the intelligent distribution transformer terminal are communicated with an upper computer through a network switch and receive a control command sent by the upper computer;
the high-precision program-controlled alternating current source outputs voltage and current to the intelligent distribution transformer terminal, and the voltage and the current output by the intelligent distribution transformer terminal are subjected to precision calibration;
the high-precision meter three-phase voltage input is connected with the intelligent distribution and transformation terminal three-phase voltage input in parallel, the three-phase current input is connected with the intelligent distribution and transformation terminal three-phase current input in series, and the current and voltage value output of the high-precision program-controlled alternating current source is monitored and early warned;
the switch-out control module is connected with a switching value input end of the intelligent distribution transformer terminal, and is used for carrying out switch-in test on the intelligent distribution transformer terminal under the control command of the upper computer;
the serial server is connected with the intelligent distribution transformer terminal in a one-to-one correspondence manner through serial communication lines; the upper computer constructs a plurality of serial port communication threads, takes a serial port number as a unique data stream index, realizes serial port data analysis, key character information extraction, and test command issuing, analyzes serial port terminal communication characters, and judges whether a test command sub-flow is finished according to specific characters.
10. The system according to claim 9, wherein the host computer performs calibration and testing of the N intelligent distribution terminals simultaneously based on SSH2 protocol through the network switch.
11. The system according to claim 9, wherein the upper computer performs environmental deployment of the intelligent distribution transformer terminal based on a serial port terminal communication protocol and a TFTP protocol.
12. The intelligent distribution transformer terminal test system of claim 9, wherein the upper computer monitors the power-on state of the plurality of intelligent distribution transformer terminals by monitoring the serial port messages of the intelligent distribution transformer terminals, and automatically completes large package installation, container installation, equipment installation, time setting and test APP installation according to state data;
completing IP setting of a plurality of intelligent distribution transformer terminals according to a set sequence, and constructing a test environment which simultaneously supports SERIAL communication and SSH2 network communication; the method comprises the following steps of realizing precision check reset, precision check initialization, precision calibration, three-phase voltage, three-phase current, power and frequency data real-time refreshing and result detection;
executing serial port test, starting test, PT100 test, automatic installation of engineering APP and automatic detection of APP installation results according to a set sequence;
and downloading the proxy file and setting LTE configuration data according to a set sequence, thereby realizing normal operation of the intelligent distribution transformer terminal.
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