阅读说明：本技术 一种用于评价hplc深化功能的仿真装置系统和测试方法 (Simulation device system and test method for evaluating HPLC (high performance liquid chromatography) deepening function ) 是由 邓涛 陶青秋 于 2021-09-14 设计创作，主要内容包括：本发明公开了一种用于评价HPLC深化功能的测试方法,包括仿真环境自检,将电能表安在电表架插槽,连接测试计算机,导入电表档案信息,完成同步流程,保证表档案信息生效；再给电表统一上电,开始计时,每10秒软件查询网络拓扑信息,入网的从节点地址与表档案信息比对,即完成自检；完成仿真环境自检后,进行深化应用功能的测试,包括全网组网测试、ID标识管理测试、相位拓扑识别测试、高频数据采集测试、台区自动识别测试、停复电主动上报测试、载波模块升级测试、档案自动同步时钟精准管理测试。本发明通过选用标准HPLC载波,对待测模块进行组网,自动设定频段保持与待测模块的同一频段,提高一次组网成功率,节省组网时间,大大提高了检测效率。(The invention discloses a test method for evaluating an HPLC deepening function, which comprises self-checking of a simulation environment, installing an electric energy meter in a slot of an electric meter frame, connecting a test computer, importing electric meter archive information, completing a synchronous process and ensuring the electric meter archive information to be effective; uniformly electrifying the electric meter, starting timing, inquiring network topology information by software every 10 seconds, and comparing the network-accessed slave node address with meter archive information to finish self-checking; and after the simulation environment self-inspection is finished, testing the application function deeply, wherein the testing comprises a whole network networking test, an ID identification management test, a phase topology identification test, a high-frequency data acquisition test, a platform area automatic identification test, a power failure and recovery active reporting test, a carrier module upgrading test and a file automatic synchronous clock accurate management test. The invention selects the standard HPLC carrier to perform networking on the module to be detected, automatically sets the frequency band to keep the same frequency band as the module to be detected, improves the success rate of one-time networking, saves the networking time and greatly improves the detection efficiency.)

1. A simulation device system for evaluating the advanced function of HPLC is characterized by comprising a concentrator module bottom plate MCU, a concentrator module slot, a power supply module, a serial port conversion module, a strong current relay, a strong current attenuator, a HPLC carrier module to be tested, a HPLC communication module to be tested, a noise generator, a three-phase power supply interface, a test upper computer, test software, an electric energy meter, an electric meter frame and an indicator light, wherein,

the concentrator module base plate MCU is connected with the strong current relay and is made of a PCB, and the concentrator module slot, the power supply module and the serial port conversion module are all integrated on the concentrator module base plate;

the concentrator module slot is used for receiving a test message sent by an upper computer through the serial port conversion module RS232 port and sending the test message to the concentrator communication module, and the concentrator communication module sends a PLC signal to a power line through a coupling circuit according to the test message;

the power supply module provides single-phase AC 220V voltage and slot DC12V and DC3.3V direct-current voltage and is connected with the base plate MCU of the concentrator communication module;

the serial port conversion module is connected with the concentrator communication module slot and the test upper computer and is used for realizing the RS232 function of the TTL interface conversion of the communication unit;

the strong current relay is connected with the bottom plate MCU and simulates a power failure occasion by controlling the on and off of a power supply of the meter frame;

the strong current attenuator is AC 220V input and output, and the attenuation performance of a carrier signal is more than 60 dB; the device is arranged at different positions of an electric meter frame, is connected with an electric energy meter through a power line, simulates the topology of a power supply network and simulates the environment of a site;

the HPLC carrier module to be detected is a concentrator HPLC carrier module, a single-phase meter HPLC carrier module or a three-phase meter HPLC carrier module;

the tested HPLC communication module comprises a concentrator communication module and an electric energy meter communication module, and the concentrator communication module is arranged in a concentrator communication module slot;

the noise generators are arranged at different positions of the ammeter frame, and simulate a real power line environment on site by injecting collected site noise;

the three-phase power interface is connected with the power module and used for transmitting power to each electronic element;

the test host computer is used for installing all test software;

the test software supports a power grid electricity utilization information acquisition communication protocol, and has test cases and statistical functions;

the electric energy meter is a 13-standard electric meter, supports DLT645 and DLT698.45 protocols, and has two self-adaptive electric meter protocols of serial port baud rate, the electric energy meter is arranged in an electric energy meter slot of an electric meter frame, and all the electric energy meters are connected in a parallel mode;

the electric meter frame is used for installing the electric energy meter and comprises 3 electric meter frames, the electric energy meter frames are supplied with power by AC 220V, each electric meter frame is provided with 50 single-phase epitopes, and a power supply with different phases is adopted to support the cascade function of power lines of the multiple electric meter frames;

the indicator light is connected with each electronic element and the power supply module and used for prompting the state of the device for the working personnel.

2. A test method for evaluating HPLC deepening application functions by using the simulation apparatus of claim 1, comprising the steps of:

s1, firstly, in the simulation environment of the self-checking device, in the uncharged condition, installing the HPLC carrier module to be tested in the concentrator module slot, and installing the electric energy meter in the electric energy meter slot of the electric meter frame;

s2, connecting the test host computer, operating the test software, and importing the file information corresponding to the standard electric energy meter;

s3, after the file information is imported, a three-phase power interface is accessed, the test software converts the file information message below to a concentrator HPLC carrier module through a serial port conversion module according to a communication protocol, and after the electrification flow and the table file synchronization flow of the concentrator HPLC are completed, the test software waits for 30 seconds to ensure that the table file information takes effect;

s4, controlling a strong current relay through test software, uniformly electrifying a standard electric energy meter arranged on an electric meter frame, starting timing by the test software, inquiring network topology information by the test software every 10 seconds, and comparing the address of the connected slave node with the meter file information; the longest overtime time is 15 minutes, and the self-checking is finished;

and S5, after the simulation environment self-checking is finished, testing the application functions deeply, wherein the testing comprises a whole network networking test, an ID identification management test, a phase topology identification test, a high-frequency data acquisition test, a platform area automatic identification test, a power failure and recovery active reporting test, a carrier module upgrading test and a file automatic synchronous clock accurate management test.

3. The test method for evaluating HPLC advanced application functions of claim 2, wherein the whole network networking test comprises the following steps:

s31, after finishing self-checking of the simulation environment, if the overtime time is up, if the number of the network access slave nodes and the address information are consistent with the table file information, ending timing, and recording the networking time and the number of the network access nodes; if the overtime time is up, the test case is terminated, and the networking time and the number of network access nodes are recorded;

s32, the test software automatically generates a report table of networking time, networking success rate and the number of nodes at each level;

and S33, evaluating networking function, networking performance, establishing site initial installation service and service recovery time before and after the power failure of the transformer area, and if the networking time is less than 5 minutes and the networking success rate is 100%, judging that the whole network networking test experiment is qualified.

4. The test method for evaluating HPLC deepening application functions according to claim 2, wherein the ID identification management test comprises the steps of:

s41, after the simulation environment self-check is completed, the test software issues a command message for inquiring the local main node concentrator HPLC carrier chip ID information once according to the communication protocol;

s42, after the inquiry is successful or overtime, the test software issues an ID information command message for inquiring the carrier chip of the slave node electric energy meter according to a communication protocol until the ID inquiry is successful or the ID inquiry time is overtime, and an ID identification information report table is formed;

and S43, evaluating the HPLC chip, and if the correctness is 100%, judging that the ID identification management test experiment is qualified.

5. The test method for evaluating HPLC deepening application functions according to claim 2, wherein the phase topology identification test comprises the following steps:

s51, after the simulation environment self-checking is completed, the testing software inquires the phase recognition result through a communication protocol, and the longest inquiry overtime time is 60 minutes;

s52, before the time-out time is inquired, if the number of the stations with the phase recognition result and the zero fire recognition result is equal to the number of the stations actually installed, timing is ended, and if the time-out time is ended, the use case is terminated and the timing is ended;

s53, after the query is completed, the test software automatically records the phase recognition result and the zero-fire recognition result to form a phase topology recognition report table;

and S54, evaluating the accuracy of phase topology identification, the identification capability of phase line loss and wiring abnormity, and judging that the phase topology identification test experiment is qualified if the phase identification success rate is more than 99 percent and the zero-fire reverse connection identification success rate is more than 99 percent.

6. A test method for evaluating HPLC deepening application functions according to claim 2, wherein the high frequency data acquisition test comprises the steps of:

s61, after the simulation environment self-checking is completed, the test software executes concurrent meter reading according to the number of the concurrent meter reading as the number suggested by the national network standard, the number of data frames is 5, the overtime time of each frame is 20 seconds, and the execution of the concurrent meter reading is not less than 4 hours;

s62, after the meter reading is finished, the test software automatically records the total number of meter reading, the successful number of meter reading and the total time length of meter reading, and counts the success rate and the average time delay of meter reading to form a high-frequency data acquisition test report table;

and S63, evaluating the performance of high-frequency data acquisition and the supporting capability of the field centralized meter reading service, and if each frame of the average meter reading time delay is less than 400ms and the success rate is more than 99.5%, judging that the high-frequency data acquisition test experiment is qualified.

7. The test method for evaluating HPLC deepening application functions according to claim 2, wherein the platform area automatic identification test comprises the following steps:

s71, after finishing self-checking of the simulation environment, when the working mark of the uplink message in the running state is stop working and the platform area identification enabling mark is allowed, issuing identification of the starting platform area, and when a negative frame or time-out is received, ending the test case; when the confirmation frame is received, the process continues, and the CCO is waited to report the station area identification result to form a station area identification test report table;

and S72, evaluating the support capability of the platform area identification accuracy, line loss and other services in the field application environment, and if the identification accuracy is greater than 95%, judging that the platform area automatic identification test experiment is qualified.

8. The test method for evaluating the advanced application function of HPLC as defined in claim 2, wherein said power off-reset active reporting test comprises the following steps:

s81, after the simulation environment self-check is completed, the test software cuts off power to the connected electric meters through the relay, the test software starts timing, and waits for the CCO to report a power failure event for 10 minutes at the longest overtime time;

s82, before the overtime time is up, the reported blackout ammeter address is the same as the actual blackout ammeter address, and the number is equal, the timing is ended, if the overtime time is up, the test case is terminated, and the timing is ended;

s83, automatically recording the number of power failure electric meters, the electric meter address, the number and the address of the electric meters reporting power failure, the number of the electric meters reporting correctly, the number of the electric meters failing to report and the number of the electric meters reporting incorrectly by the test software to form a power failure and power failure active reporting test report table;

and S84, evaluating the success rate and real-time performance of the active reporting of the power failure and the power restoration, and if the success rate of the power failure reporting is more than 90%, the reporting delay is less than 90 seconds and the success rate of the power restoration reporting is more than 90%, judging that the active reporting test experiment of the power failure and the power restoration is qualified.

9. The test method for evaluating HPLC deepening application functions according to claim 2, wherein the carrier module upgrade test comprises the following steps:

s95: the test software simulates a master station and a concentrator to download files according to the flow of HPLC remote upgrade, and starts remote upgrade of the carrier module;

s96, after the file downloading is finished, the test software queries the upgrade state AFN10 and F4 with 10 seconds as a 1 cycle; the upgrade timeout time is 1 hour, after the upgrade timeout time is over, the CCO still does not finish upgrading, the upgrade failure is recorded, the test is finished, if the CCO upgrade is judged to be finished within 1 hour, the test software inquires AFN10 and F104, and the version information of the CCO and STA is obtained;

s97, the test software automatically records the number of carrier modules which are successfully upgraded and failed and the related information by comparing the version information to form a remote upgrade test report table;

and S98, evaluating the software version upgrading capability of the carrier module, and if the upgrading success rate is greater than 99%, judging that the upgrading test experiment of the carrier module is qualified.

10. The test method for evaluating HPLC deepening application functions according to claim 2, wherein the archive automatic synchronization clock precision management test comprises the following steps:

s101, after self-checking of a simulation environment is completed and an ammeter is electrified, testing software starts timing, the testing software inquires network topology information once every 10 seconds, the address of an accessed slave node is compared with table archive information, all topology inquiry success or overtime time is checked, meanwhile, the testing software issues a broadcast starting command message and waits for the broadcast timing time to take effect;

s102, carrying out round reading, namely, reading one round, comparing a meter searching result with a file of the concentrator by the concentrator, generating unknown electric energy meter time according to electric meter information outside the file, forming a file automatic synchronization test report meter, simultaneously carrying out concurrent meter reading, wherein the number of meter reading items is 2, the number of concurrent meter reading is 1, the number of multi-frames is 2, and forming a clock accurate test report meter;

s103, evaluating the self-maintenance accuracy and the automatic meter searching capability of the files of the HPLC carrier module equipment, judging that the automatic synchronous experiment of the files is qualified if the reported file accuracy is more than 99%, evaluating the clock deviation and the clock timing capability of the electric meter simultaneously, manually checking the clock deviation of the electric meter, and judging that the accurate management experiment of the clock is qualified if the error of the test deviation is less than 1 second.

Technical Field

The invention relates to the technical field of test simulation devices, in particular to a simulation device system and a test method for evaluating an HPLC (high performance liquid chromatography) deepening function.

Background

The HPLC is a high-speed power line carrier, is a broadband power line carrier technology for data transmission on a low-voltage power line, and the application of the HPLC communication module promotes the deep application of the functions of the intelligent electric meter in the aspects of monitoring distribution network equipment, fault study and judgment, operation and maintenance management and control management and the like of non-metering functions such as high-frequency data acquisition, power failure active reporting, clock accurate management, phase topology identification, station area automatic identification, ID unified identification management, archive automatic synchronization, communication performance monitoring, network optimization and the like.

At present, after function debugging is successfully carried out on site, the power supply station area HPLC deepened application function can be upgraded in a large area, site testing can be carried out only after a concentrator and a main station are upgraded, the problems of long detection time, low efficiency, influence on the existing service and the like exist, meanwhile, the site testing is difficult to simulate various application scenes, and the debugging and upgrading of an HPLC module cannot be guaranteed to be suitable for different station areas.

Therefore, there is a need for an apparatus and a test method for laboratory testing of HPLC communication modules to deepen application functions.

Disclosure of Invention

Aiming at the technical problems in the related art, the invention provides a simulation device system and a test method for evaluating an HPLC deepening function, which can overcome the defects of the prior art.

In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:

a simulation device system for evaluating the advanced function of HPLC comprises a concentrator module bottom plate MCU, a concentrator module slot, a power supply module, a serial port conversion module, a strong current relay, a strong current attenuator, a to-be-tested HPLC carrier module, a to-be-tested HPLC communication module, a noise generator, a three-phase power supply interface, a test upper computer, test software, an electric energy meter, an electric meter frame and an indicator light, wherein,

the concentrator module base plate MCU is connected with the strong current relay and is made of a PCB, and the concentrator module slot, the power supply module and the serial port conversion module are all integrated on the concentrator module base plate;

the concentrator module slot is used for receiving a test message sent by an upper computer through the serial port conversion module RS232 port and sending the test message to the concentrator communication module, and the concentrator communication module sends a PLC signal to a power line through a coupling circuit according to the test message;

the power supply module provides single-phase AC 220V voltage and slot DC12V and DC3.3V direct-current voltage and is connected with the base plate MCU of the concentrator communication module;

the serial port conversion module is connected with the concentrator communication module slot and the test upper computer and is used for realizing the RS232 function of the TTL interface conversion of the communication unit;

the strong current relay is connected with the bottom plate MCU and simulates a power failure occasion by controlling the on and off of a power supply of the meter frame;

the strong current attenuator is AC 220V input and output, and the attenuation performance of a carrier signal is more than 60 dB; the device is arranged at different positions of an electric meter frame, is connected with an electric energy meter through a power line, simulates the topology of a power supply network and simulates the environment of a site;

the HPLC carrier module to be detected is a concentrator HPLC carrier module, a single-phase meter HPLC carrier module or a three-phase meter HPLC carrier module;

the tested HPLC communication module comprises a concentrator communication module and an electric energy meter communication module, and the concentrator communication module is arranged in a concentrator communication module slot;

the noise generators are arranged at different positions of the ammeter frame, and simulate a real power line environment on site by injecting collected site noise;

the three-phase power interface is connected with the power module and used for transmitting power to each electronic element;

the test host computer is used for installing all test software;

the test software supports a power grid electricity utilization information acquisition communication protocol, and has test cases and statistical functions;

the electric energy meter is a 13-standard electric meter, supports DLT645 and DLT698.45 protocols, and has two self-adaptive electric meter protocols of serial port baud rate, the electric energy meter is arranged in an electric energy meter slot of an electric meter frame, and all the electric energy meters are connected in a parallel mode;

the electric meter frame is used for installing the electric energy meter and comprises 3 electric meter frames, the electric energy meter frames are supplied with power by AC 220V, each electric meter frame is provided with 50 single-phase epitopes, and a power supply with different phases is adopted to support the cascade function of power lines of the multiple electric meter frames;

the indicator light is connected with each electronic element and the power supply module and used for prompting the state of the device for the working personnel.

According to another aspect of the present invention, there is provided a test method for evaluating HPLC deepening functions, comprising the steps of:

s1, firstly, self-checking the simulation environment, and installing the concentrator HPLC carrier module to be tested in the concentrator module slot and the electric energy meter in the electric energy meter slot of the electric meter frame under the condition of no electricity;

s2, connecting the test host computer, operating the test software, and importing the file information corresponding to the standard ammeter;

s3, after the file information is imported, a three-phase power supply is accessed, the test software transmits the file information message below the serial port conversion module to the concentrator HPLC carrier module according to a communication protocol, and after the electrification flow and the table file synchronization flow of the concentrator HPLC are completed, the test software waits for 30 seconds to ensure that the table file information takes effect;

s4, controlling a strong current relay through test software, uniformly electrifying a standard ammeter arranged on an ammeter frame, starting timing by the test software, inquiring network topology information by the software every 10 seconds, and comparing the address of the slave node connected with the network with the meter file information; the longest overtime time is 15 minutes, and the self-checking is finished;

and S5, after the simulation environment self-checking is finished, testing the application functions deeply, wherein the testing comprises a whole network networking test, an ID identification management test, a phase topology identification test, a high-frequency data acquisition test, a platform area automatic identification test, a power failure and recovery active reporting test, a carrier module upgrading test and a file automatic synchronous clock accurate management test.

Further, the network-wide networking test comprises the following steps:

s31, after finishing self-checking of the simulation environment, if the overtime time is up, if the number of the network access slave nodes and the address information are consistent with the table file information, ending timing, and recording the networking time and the number of the network access nodes; if the overtime time is up, the test case is terminated, and the networking time and the number of network access nodes are recorded;

s32, the test software automatically generates a report table of networking time, networking success rate and the number of nodes at each level;

and S33, evaluating networking function, networking performance, establishing site initial installation service and service recovery time before and after the power failure of the transformer area, and if the networking time is less than 5 minutes and the networking success rate is 100%, judging that the whole network networking test experiment is qualified.

Further, the ID identifies a management test, comprising the steps of:

s41, after the simulation environment self-check is completed, the test software issues a command message for inquiring the local main node concentrator HPLC carrier chip ID information once according to the communication protocol;

s42, after the inquiry is successful or overtime, the test software issues an ID information command message for inquiring the carrier chip of the slave node electric energy meter according to a communication protocol until the ID inquiry is successful or the ID inquiry time is overtime, and an ID identification information report table is formed;

and S43, evaluating the HPLC chip, and if the correctness is 100%, judging that the ID identification management test experiment is qualified.

Further, the phase topology identification test comprises the following steps:

s51, after the simulation environment self-checking is completed, the testing software inquires the phase recognition result through a communication protocol, and the longest inquiry overtime time is 60 minutes;

s52, before the time-out time is inquired, if the number of the stations with the phase recognition result and the zero fire recognition result is equal to the number of the stations actually installed, timing is ended, and if the time-out time is ended, the use case is terminated and the timing is ended;

s53, after the query is completed, the test software automatically records the phase recognition result and the zero-fire recognition result to form a phase topology recognition report table;

and S54, evaluating the accuracy of phase topology identification, the identification capability of phase line loss and wiring abnormity, and judging that the phase topology identification test experiment is qualified if the phase identification success rate is more than 99 percent and the zero-fire reverse connection identification success rate is more than 99 percent.

Further, the high-frequency data acquisition test comprises the following steps:

s61, after the simulation environment self-checking is completed, the test software executes concurrent meter reading according to the number of the concurrent meter reading as the number suggested by the national network standard, the number of data frames is 5, the overtime time of each frame is 20 seconds, and the execution of the concurrent meter reading is not less than 4 hours;

s62, after the meter reading is finished, the test software automatically records the total number of meter reading, the successful number of meter reading and the total time length of meter reading, and counts the success rate and the average time delay of meter reading to form a high-frequency data acquisition test report table;

and S63, evaluating the performance of high-frequency data acquisition and the supporting capability of the field centralized meter reading service, and if each frame of the average meter reading time delay is less than 400ms and the success rate is more than 99.5%, judging that the high-frequency data acquisition test experiment is qualified.

Further, the automatic platform area identification test comprises the following steps:

s71, after finishing self-checking of the simulation environment, when the working mark of the uplink message in the running state is stop working and the platform area identification enabling mark is allowed, issuing identification of the starting platform area, and when a negative frame or time-out is received, ending the test case; when the confirmation frame is received, the process continues, and the CCO is waited to report the station area identification result to form a station area identification test report table;

and S72, evaluating the support capability of the platform area identification accuracy, line loss and other services in the field application environment, and if the identification accuracy is greater than 95%, judging that the platform area automatic identification test experiment is qualified.

Further, the active reporting test for power failure comprises the following steps:

s81, after the simulation environment self-check is completed, the test software cuts off power to the connected electric meters through the relay, the test software starts timing, and waits for the CCO to report a power failure event for 10 minutes at the longest overtime time;

s82, before the overtime time is up, the reported blackout ammeter address is the same as the actual blackout ammeter address, and the number is equal, the timing is ended, if the overtime time is up, the test case is terminated, and the timing is ended;

s83, automatically recording the number of power failure electric meters, the electric meter address, the number and the address of the electric meters reporting power failure, the number of the electric meters reporting correctly, the number of the electric meters failing to report and the number of the electric meters reporting incorrectly by the test software to form a power failure and power failure active reporting test report table;

and S84, evaluating the success rate and real-time performance of the active reporting of the power failure and the power restoration, and if the success rate of the power failure reporting is more than 90%, the reporting delay is less than 90 seconds and the success rate of the power restoration reporting is more than 90%, judging that the active reporting test experiment of the power failure and the power restoration is qualified.

Further, the carrier module upgrade test includes the following steps:

s95: the test software simulates a master station and a concentrator to download files according to the flow of HPLC remote upgrade, and starts remote upgrade of the carrier module;

s96, after the file downloading is finished, the test software queries the upgrade state AFN10 and F4 with 10 seconds as a 1 cycle; the upgrade timeout time is 1 hour, after the upgrade timeout time is over, the CCO still does not finish upgrading, the upgrade failure is recorded, the test is finished, if the CCO upgrade is judged to be finished within 1 hour, the test software inquires AFN10 and F104, and the version information of the CCO and STA is obtained;

s97, the test software automatically records the number of carrier modules which are successfully upgraded and failed and the related information by comparing the version information to form a remote upgrade test report table;

and S98, evaluating the software version upgrading capability of the carrier module, and if the upgrading success rate is greater than 99%, judging that the upgrading test experiment of the carrier module is qualified.

Further, the precise management test of the automatic synchronous clock of the file comprises the following steps:

s101, after self-checking of a simulation environment is completed and an ammeter is electrified, testing software starts timing, the testing software inquires network topology information once every 10 seconds, the address of an accessed slave node is compared with table archive information, all topology inquiry success or overtime time is checked, meanwhile, the testing software issues a broadcast starting command message and waits for the broadcast timing time to take effect;

s102, carrying out round reading, namely, reading one round, comparing a meter searching result with a file of the concentrator by the concentrator, generating unknown electric energy meter time according to electric meter information outside the file, forming a file automatic synchronization test report meter, simultaneously carrying out concurrent meter reading, wherein the number of meter reading items is 2, the number of concurrent meter reading is 1, the number of multi-frames is 2, and forming a clock accurate test report meter;

s103, evaluating the self-maintenance accuracy and the automatic meter searching capability of the files of the HPLC carrier module equipment, judging that the automatic synchronous experiment of the files is qualified if the reported file accuracy is more than 99%, evaluating the clock deviation and the clock timing capability of the electric meter simultaneously, manually checking the clock deviation of the electric meter, and judging that the accurate management experiment of the clock is qualified if the error of the test deviation is less than 1 second.

The invention has the beneficial effects that: the analog concentrator is used as a copy control main device, so that the automatic and rapid detection of the performance of the communication module to be detected is realized; the simultaneous detection of a plurality of HPLC carrier modules to be detected is realized in a concurrent meter reading mode; an analog meter tool to be tested is equipped and is rapidly bound with an HPLC carrier module to be tested, so that the time of service flow node is shortened, and the networking efficiency is accelerated; the module to be tested is networked by selecting the standard HPLC carrier module, the frequency band is automatically set to keep the same frequency band with the module to be tested, the success rate of one-time networking is improved, the networking time is saved, and therefore the detection efficiency is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a block diagram of a system structure of a simulation apparatus for evaluating an HPLC deepening function according to an embodiment of the present invention.

Fig. 2 is a schematic test information interaction diagram of the test method for evaluating the HPLC deepening function according to the embodiment of the invention.

Fig. 3 is a schematic structural diagram of a portable test box of the simulation apparatus system for evaluating the HPLC deepening function according to the embodiment of the present invention.

In the figure: 1. and the box body and 2. the tested concentrator module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention, and for the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are described in detail below by specific use modes.

As shown in fig. 3, the simulation apparatus system for evaluating the HPLC advanced function according to the embodiment of the present invention includes a concentrator module bottom board MCU, a concentrator module slot, a power module, a serial port conversion module, a strong current relay, a strong current attenuator, a to-be-tested HPLC carrier module, a to-be-tested HPLC communication module, a noise generator, a three-phase power interface, a test upper computer, test software, an electric energy meter, an electric meter rack, and an indicator light.

The concentrator module base plate MCU is connected with the strong current relay and is made of a PCB, and the concentrator module slot, the power supply module and the serial port conversion module are all integrated on the base plate of the tested concentrator module 2.

The concentrator module slot is used for receiving a test message sent by an upper computer through the serial port conversion module RS232 port and sending the test message to the concentrator communication module, and the concentrator communication module sends a PLC signal to the power line through the coupling circuit according to the test message.

The power supply module provides single-phase AC 220V voltage, slot DC12V and slot DC DC3.3V DC voltage, and is connected with the base plate MCU of the concentrator communication module.

And the serial port conversion module is connected with the concentrator communication module slot and the test upper computer and is used for realizing the RS232 function of the TTL interface conversion of the communication unit.

The strong current relay is connected with the bottom plate MCU and simulates a power failure occasion by controlling the on and off of a power supply of the meter frame; the strong current attenuator is AC 220V input and output, and the attenuation performance of a carrier signal is more than 60 dB; the device is arranged at different positions of an electric meter frame and is connected with an electric energy meter through a power line, so that the topology of a power supply network is simulated, and the environment of a site is simulated.

The HPLC carrier module to be detected is a concentrator HPLC carrier module, a single-phase meter HPLC carrier module or a three-phase meter HPLC carrier module; the tested HPLC communication module comprises a concentrator communication module and an electric energy meter communication module, and the concentrator communication module is installed in a concentrator communication module slot.

The noise generators are arranged at different positions of the ammeter frame, and simulate the real power line environment on site by injecting collected site noise.

And the three-phase power interface is connected with the power module and used for transmitting power to each electronic element.

The test host computer is used for installing all test software; the test software supports a power grid electricity utilization information acquisition communication protocol, and has test cases and statistical functions.

The electric energy meter is a 13-standard electric meter, supports DLT645 and DLT698.45 protocols, and has two self-adaptive electric meter protocols of serial port baud rate, the electric energy meter is arranged in an electric energy meter slot of an electric meter frame, and all the electric energy meters are connected in a parallel mode; the electric meter frame is used for installing the electric energy meter and comprises 3 electric meter frames, the electric energy meter is supplied with power by AC 220V, each electric meter frame is provided with 50 single-phase epitopes, and a power supply with different phases is adopted to support the cascade function of power lines of the multiple electric meter frames.

The indicator light is connected with each electronic element and the power supply module and used for prompting the state of the device for the working personnel.

The concentrator module bottom plate MCU, the concentrator module slot, the power supply module, the serial port conversion module, the strong current relay, the strong current attenuator, the three-phase power interface and the like are combined into a portable testing box. The portable test box is a flat box body with a cover, and a panel of the box body is provided with a concentrator module slot, a serial port conversion module joint, a three-phase power interface and an indicator light. The bottom board MCU, power module, serial port conversion module and strong current relay of the concentrator module are installed in the space under the panel.

According to another aspect of the present invention, there is provided a test method for evaluating HPLC deepening functions, comprising the steps of:

1. firstly, self-checking a simulation environment, and installing a concentrator HPLC carrier module to be tested in a concentrator module slot and an electric energy meter in an electric energy meter slot of an electric meter frame under the condition of no electricity;

2. connecting a test host computer, operating test software, and importing archive information corresponding to the standard ammeter;

3. after the file information is imported, a three-phase power supply is accessed, the test software transmits the file information message below the serial port conversion module to the concentrator HPLC carrier module according to a communication protocol, and the test software waits for 30 seconds after completing the power-on process and the table file synchronization process of the concentrator HPLC, so that the table file information is guaranteed to be effective;

4. then, controlling a strong current relay through test software, uniformly electrifying a standard ammeter arranged on an ammeter frame, starting timing by the test software, inquiring network topology information by the software every 10 seconds, and comparing the address of the accessed slave node with the meter file information; the maximum overtime time is 15 minutes, and the self-test is completed.

5. And after the simulation environment self-inspection is finished, testing the application function deeply, wherein the testing comprises a whole network networking test, an ID identification management test, a phase topology identification test, a high-frequency data acquisition test, a platform area automatic identification test, a power failure and recovery active reporting test, a carrier module upgrading test and a file automatic synchronous clock accurate management test.

After the simulation environment self-checking is completed, if the overtime time is up, if the number of network access slave nodes and the address information are consistent with the table archive information, timing is ended, the networking time and the number of network access nodes are recorded, and if the overtime time is up, the test case is terminated, and the networking time and the number of network access nodes are recorded; the test software automatically generates a report table of networking time, networking success rate and the number of nodes at each level; and evaluating networking function, networking performance, on-site initial installation service establishment and service recovery time before and after the power failure of the transformer area, and if the networking time is less than 5 minutes and the networking success rate is 100%, judging that the whole network networking test experiment is qualified.

After the ID identification management test is finished, the test software issues a command message for inquiring the ID information of the local main node concentrator HPLC carrier chip once according to a communication protocol; after the inquiry is successful or overtime, the test software issues an ID information command message for inquiring the carrier chip of the slave node electric energy meter according to a communication protocol until the ID inquiry is successful or the ID inquiry time is overtime, and an ID identification information report table is formed; and (5) evaluating the HPLC chip, and if the correctness is 100%, judging that the ID identification management test experiment is qualified.

After the phase topology identification test is finished, after the self-inspection of the simulation environment is finished, the test software inquires a phase identification result through a communication protocol, and the longest inquiry timeout time is 60 minutes; before the query overtime is reached, if the number of stations with phase recognition results and zero-fire recognition results is equal to the number of actually installed stations, timing is ended, and if the overtime is reached, the use case is ended and the timing is ended; after the query is completed, the test software automatically records the phase recognition result and the zero-fire recognition result to form a phase topology recognition report table; and evaluating the accuracy of phase topology identification, the identification capability of phase line loss and wiring abnormity, and judging that the phase topology identification test experiment is qualified if the phase identification success rate is more than 99 percent and the zero-fire reverse connection identification success rate is more than 99 percent.

After the high-frequency data acquisition test and the self-checking of the simulation environment are completed, the test software executes concurrent meter reading according to the number of the concurrent data as the number suggested by national network standards, the number of data frames is 5, the overtime time of each frame is 20 seconds, and the execution of the concurrent meter reading is not less than 4 hours; after the meter reading is completed, the test software automatically records the total number of meter reading, the successful number of meter reading and the total time length of meter reading, and counts the success rate and the average time delay of meter reading to form a high-frequency data acquisition test report table; and evaluating the performance of high-frequency data acquisition and the supporting capacity of field centralized meter reading service, and if each frame of the average meter reading time delay is less than 400ms and the success rate is more than 99.5%, judging that the high-frequency data acquisition test experiment is qualified.

The station area automatic identification test is carried out, after the simulation environment self-check is completed, when the working mark of the uplink message in the running state is received as stop working and the station area identification enabling mark is received as permission, the station area identification is issued to be started, and when a negative frame or timeout is received, the test case is ended; when the confirmation frame is received, the process continues, and the CCO is waited to report the station area identification result to form a station area identification test report table; and evaluating the support capability of services such as the identification accuracy rate of the distribution room, line loss and the like in the field application environment, and if the identification accuracy rate is more than 95%, judging that the automatic identification test experiment of the distribution room is qualified.

The power failure and restoration active reporting test is carried out, after the simulation environment self-check is completed, the test software cuts power to the connected electric meters through the relay, the test software starts to time, a CCO (central control unit) is waited to report power failure events, and the longest overtime time is 10 minutes; before the overtime time is up, the reported blackout ammeter address is the same as the actual blackout ammeter address, and the number is equal, the timing is ended, if the overtime time is up, the test case is terminated, and the timing is ended; the test software automatically records the number of the power failure electric meters, the electric meter address, the number and the address of the reported power failure electric meters, the number of the correctly reported electric meters, the number of the electric meters which are not reported and the number of the electric meters which are reported in a wrong way, and a test report table for actively reporting the power failure electric meters is formed; and evaluating the success rate and real-time performance of the active reporting of power failure and power restoration, and if the success rate of power failure reporting is more than 90%, the reporting delay is less than 90 seconds and the success rate of power restoration reporting is more than 90%, judging that the active reporting test experiment of power failure and power restoration is qualified.

The carrier module is upgraded and tested, the test software simulates a master station and a concentrator to download files according to the process of HPLC remote upgrade, and remote upgrade of the carrier module is started; after the file downloading is finished, the test software queries the upgrade state AFN10, F4 in a period of 1 second; the upgrade timeout time is 1 hour, after the upgrade timeout time is over, the CCO still does not finish upgrading, the upgrade failure is recorded, the test is finished, if the CCO upgrade is judged to be finished within 1 hour, the test software inquires AFN10 and F104, and the version information of the CCO and STA is obtained; the test software automatically records the number of carrier modules which are successfully upgraded and failed and related information by comparing version information to form a remote upgrade test report table; and evaluating the software version upgrading capability of the carrier module, and if the upgrading success rate is greater than 99%, judging that the carrier module upgrading test experiment is qualified.

The file automatic synchronization clock accurate management test is that after the simulation environment self-check is completed and the ammeter is powered on, the test software starts to time, the test software inquires network topology information once every 10 seconds, the network-connected slave node address is compared with the table file information, the success or overtime time of all topology inquiry is checked, and meanwhile, the test software issues a broadcast starting command message and waits for the broadcast timing time to take effect; carrying out reading in turns, only reading one turn, comparing the meter searching result with the file of the concentrator by the concentrator, generating the time for finding an unknown electric energy meter by the electric meter information outside the file to form a file automatic synchronous test report meter, simultaneously carrying out concurrent reading, wherein the number of the meter reading items is 2, only one turn is read, the number of the concurrent reading is 1, the number of the multi-frame is 2, and a clock accurate test report meter is formed; evaluating the self-maintenance accuracy and the automatic meter searching capability of the files of the HPLC carrier module equipment, judging that the automatic synchronous experiment of the files is qualified if the accuracy of the reported files is more than 99%, evaluating the clock deviation and the clock timing capability of the electric meter, manually checking the clock deviation of the electric meter, and judging that the accurate management experiment of the clock is qualified if the error of the test deviation is less than 1 second.

The invention can simulate various field interference sources, simulate various power supply network layers, carry out statistical analysis on test data and output a detection report, ensure that the detection standard of a laboratory is matched with an actual application scene one by one, and improve the real reliability of a simulation field; the method has the advantages that detection of application functions is deepened, high-frequency data acquisition function detection, power failure active reporting detection, clock accurate management detection, phase topology recognition function detection, station area automatic recognition, ID unified identification management, automatic file synchronization, communication performance monitoring, network optimization and the like are achieved, automatic testing is achieved, and labor and time costs are saved.

The device main equipment is integrated, portable and convenient, and can also be used for field test, only the carrier module of the field concentrator is required to be taken out and put on the slot of the tested concentrator module 2 of the portable box body 1, and meanwhile, the field three-phase power supply is accessed, and the test can be finished through the upper computer software of the notebook computer.

In summary, by means of the above technical solution of the present invention, the analog concentrator is used as a master device for reading and controlling, so as to realize automatic and rapid detection of the performance of the communication module to be detected; the simultaneous detection of a plurality of HPLC carrier modules to be detected is realized in a concurrent meter reading mode; an analog meter tool to be tested is equipped and is rapidly bound with an HPLC carrier module to be tested, so that the time of service flow node is shortened, and the networking efficiency is accelerated; the module to be tested is networked by selecting the standard HPLC carrier module, the frequency band is automatically set to keep the same frequency band with the module to be tested, the success rate of one-time networking is improved, the networking time is saved, and therefore the detection efficiency is greatly improved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.