CN111896908A - Test system and test method of intelligent instrument - Google Patents
Test system and test method of intelligent instrument Download PDFInfo
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- CN111896908A CN111896908A CN202010683130.5A CN202010683130A CN111896908A CN 111896908 A CN111896908 A CN 111896908A CN 202010683130 A CN202010683130 A CN 202010683130A CN 111896908 A CN111896908 A CN 111896908A
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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
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
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Abstract
The application discloses a test system and a test method of an intelligent instrument. Wherein, this test system includes: a plurality of shielding devices for housing a plurality of smart meters, wherein the plurality of smart meters include at least: bimodulus II type collector, electric energy meter, water gauge, gas table and heat meter, bimodulus II type collector can gather following data simultaneously: electricity, water, gas and heat charges; the attenuator is arranged among the shielding devices and used for connecting the shielding devices; the testing terminal is in communication connection with one of the shielding devices and used for testing the communication performance and the electrical performance of the intelligent instruments; and the terminal is arranged between the test terminal and the shielding equipment and used for realizing the networking function of a plurality of intelligent instruments in the plurality of shielding equipment. The technical problem that comprehensive detection equipment such as communication interface electrical performance tests and communication performance of intelligent meters capable of covering electricity, water, gas, heat and the like is lacked at the present stage is solved.
Description
Technical Field
The application relates to the field of instrument testing, in particular to a testing system and a testing method of an intelligent instrument.
Background
With the policy of supporting the centralized reading and acquisition of electricity, water, gas and heat energy data, a detection device and a detection method in the construction of a multi-meter acquisition system become an important link for ensuring the data accuracy and the acquisition success rate of the multi-meter acquisition system. At present, multi-meter collection is carried out through a dual-mode II collector, a local communication backbone network adopts broadband power line carrier communication, and a tail-end water, gas and heat intelligent electric meter adopts a micropower wireless communication mode to realize. When the multi-meter acquisition system is tested and detected, a detection environment is manually set up, the operation is complex, dangers and serious human interference factors exist, and comprehensive detection of items such as communication performance, communication protocols and the like of the intelligent meter can not be realized.
The characteristics of multiple types of meters used on site, diversified interfaces and communication channels, non-uniform communication protocols and the like are combined, the problems of meter data loss, poor compatibility, unstable communication, high maintenance rate and the like caused by product quality are reduced for ensuring that the compatibility, the functions and the like of all network access equipment meet the requirements. There is a need for a comprehensive detection device and method for electrical performance test and communication performance of communication interfaces (such as micro-power wireless, RS-485, M-Bus interfaces) of smart meters capable of covering electricity, water, gas, heat and the like.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a test system and a test method of an intelligent instrument, and aims to at least solve the technical problem that comprehensive detection equipment for testing the electrical performance and the communication performance of a communication interface of the intelligent instrument capable of covering electricity, water, gas, heat and the like is lacked at the present stage.
According to an aspect of an embodiment of the present application, there is provided a test system of a smart meter, including: a plurality of shielding devices for housing a plurality of smart meters, wherein the plurality of smart meters include at least: bimodulus II type collector, electric energy meter, water gauge, gas table and heat meter, bimodulus II type collector can gather following data simultaneously: electricity, water, gas and heat charges; the attenuator is arranged among the shielding devices and used for connecting the shielding devices; the testing terminal is in communication connection with one of the shielding devices and used for testing the communication performance and the electrical performance of the intelligent instruments; and the terminal is arranged between the test terminal and the shielding equipment and used for realizing the networking function of a plurality of intelligent instruments in the plurality of shielding equipment.
Optionally, the shielding device comprises at least two layers, wherein a first layer of the shielding device is used for placing a communication unit test fixture, and the communication unit test fixture is used for connecting the communication modules and the power supply modules of the plurality of intelligent meters; the second layer of the shielding device is used for placing a plurality of intelligent meters.
Optionally, a broadband power line carrier communication mode is adopted for communication among the shielding devices.
Optionally, the terminal and the test terminal communicate via an ethernet, and the terminal and the shielding device communicate via a broadband power line carrier communication manner.
Optionally, the dual-mode II type collector communicates with the water meter, the gas meter, and the heat meter in a micro-power wireless communication manner, communicates with the electric energy meter through an RS485 bus, and communicates with the terminal in a broadband power line carrier communication manner.
Optionally, the dual-mode II type collector can also be connected with a water meter, a gas meter and a heat meter which support an M-Bus remote meter reading system Bus.
Optionally, the shielding device can shield the micropower wireless signals of 470 MHz-510 MHz.
Optionally, the operating frequency of the attenuator may be adjusted within a preset operating frequency range according to the number of shielding devices.
Optionally, the test system is powered by an independent power module.
According to another aspect of the embodiments of the present application, there is also provided a method for testing smart meters, where the method is applied to the above-mentioned test system to test communication performance and electrical performance of a plurality of smart meters, and includes: setting the working frequency of the attenuator according to the number of the shielding devices; the control terminal inquires the topology information of the routing network to complete the networking of a plurality of intelligent instruments; controlling the test terminal to acquire the following data acquired by the dual-mode II type acquisition device for multiple times: electricity, water, gas and heat charges; and judging whether the communication performance and the electrical performance of the intelligent instruments meet the requirements or not according to the success rate of the data acquired by the dual-mode II-type collector.
In an embodiment of the present application, a test system of a smart meter is provided, including: a plurality of shielding devices for housing a plurality of smart meters, wherein the plurality of smart meters include at least: bimodulus II type collector, electric energy meter, water gauge, gas table and heat meter, bimodulus II type collector can gather following data simultaneously: electricity, water, gas and heat charges; the attenuator is arranged among the shielding devices and used for connecting the shielding devices; the testing terminal is in communication connection with one of the shielding devices and used for testing the communication performance and the electrical performance of the intelligent instruments; the terminal is arranged between the test terminal and the shielding equipment and used for realizing the networking function of a plurality of intelligent meters in the shielding equipment, thereby realizing the technical effects of carrying out comprehensive tests such as the electrical performance test and the communication performance of communication interfaces (such as micropower wireless, RS-485 and M-Bus interfaces) of intelligent meters such as a dual-mode II-type collector, electricity, water, gas and heat, and further solving the technical problem that comprehensive detection equipment such as the electrical performance test and the communication performance of the communication interfaces of the intelligent meters such as electricity, water, gas and heat is lacked at the present stage.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a block diagram of a test system of a smart meter according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a shielding apparatus according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a test system of a smart meter according to an embodiment of the present application;
fig. 4 is a flowchart of a testing method of a smart meter according to an embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a block diagram of a test system of a smart meter according to an embodiment of the present application, where the test system includes:
a plurality of shielding devices 10 for housing a plurality of smart meters, wherein the plurality of smart meters comprises at least: bimodulus II type collector, electric energy meter, water gauge, gas table and heat meter, bimodulus II type collector can gather following data simultaneously: electricity, water, gas and heat charges;
optionally, the shielding device 10 uses a low-frequency small shielding device (capable of shielding micropower wireless signals of 470MHz to 510 MHz), so as to avoid interference between the dual-mode II-type collector and the micropower water-gas-heat meter in each shielding device.
The dual-mode II type collector supports two communication modes of power line carrier communication and micropower wireless communication, and can be interactively applied with a concentrator or local equipment through a power line carrier channel and a micropower wireless channel to realize the functions of remote meter reading and local meter reading.
An attenuator 12 provided between the plurality of shielding devices 10 for connecting the plurality of shielding devices 10;
the testing terminal 14 is in communication connection with one shielding device 10 of the plurality of shielding devices 10 and is used for testing the communication performance and the electrical performance of the plurality of intelligent meters;
and the terminal 16 is arranged between the test terminal 14 and the shielding device 10 and is used for realizing the networking function of the intelligent meters in the shielding devices 10.
Through the system, comprehensive tests such as electrical performance tests, communication performance tests and the like of communication interfaces (such as micropower wireless interfaces, RS-485 interfaces and M-Bus interfaces) of the intelligent meters such as the dual-mode II-type collector, electricity, water, gas and heat can be carried out.
According to an alternative embodiment of the present application, the shielding device 10 includes at least two layers, wherein a first layer of the shielding device 10 is used for placing a communication unit test fixture, and the communication unit test fixture is used for connecting a communication module and a power supply module of a plurality of smart meters; the second layer of the shielding 10 is used to house a plurality of smart meters.
According to an alternative embodiment of the present application, a plurality of shielding devices 10 communicate with each other in a broadband power line carrier communication manner.
In an alternative embodiment of the present application, the terminal 16 communicates with the test terminal 14 via ethernet, and the terminal 16 communicates with the shielding device 10 via broadband power line carrier communication.
Fig. 2 is a schematic structural diagram of a shielding apparatus according to an embodiment of the present application, and as shown in fig. 2, the shielding apparatus is a shielding box having two layers, a first layer is used for placing a "communication unit test fixture", and a second layer is used for placing water, gas and heat meters. The shielding boxes are communicated with each other through a broadband power line carrier (HPLC); and Ethernet communication is used between each shielding box and the test terminal.
According to an alternative embodiment of the present application, a communications unit test fixture comprises:
(1) three-phase four-wire power interface capable of connecting 380V power supply
(2) Ethernet interface
(3) Control panel power interface capable of connecting 24V power supply
(4) Single-phase HPLC module weak current interface
(5) Strong current interface of single-phase HPLC module
(6) 15 single-phase HPLC module card slots
(7) 5 universal card slots for single/three-phase HPLC module
(8) Universal card slot for single/three phase HPLC module and strong current interface for single phase HPLC module
(9) Universal card slot for single/three-phase HPLC module and strong electric interface for three-phase HPLC module
(10) 485 interface of dual-mode II type collector/general 485 interface of electric energy meter
(11) 220V power interface of dual-mode II-type collector
(12) 5 dual-mode II-type collector card slots
(13) Module communication indicating lamp
In some optional embodiments of the present application, the dual-mode II-type collector communicates with the water meter, the gas meter, and the heat meter in a micro-power wireless communication manner, communicates with the electric energy meter through the RS485 bus, and communicates with the terminal 16 in a broadband power line carrier communication manner.
According to an optional embodiment of the application, the dual-mode II-type collector can also be connected to a water meter, a gas meter and a heat meter which support an M-Bus remote meter reading system Bus.
According to an alternative embodiment of the present application, the shielding device 10 can shield micropower wireless signals of 470MHz to 510 MHz.
In another alternative embodiment of the present application, the operating frequency of the attenuator 12 may be adjusted within a preset operating frequency range according to the number of shielding devices 10. An attenuator of 30dB is arranged between the shielding devices 10, and can be arranged between 0dB and 60dB according to requirements. By using the adjustable attenuator, a star topology and tree topology test environment can be constructed.
Optionally, the test system is powered by an independent power module. And a precise purification voltage-stabilized power supply is used, an independent power supply environment is provided, and HPLC signal isolation is realized.
Fig. 3 is a schematic structural diagram of a test system of a smart meter according to an embodiment of the present application, and the test system shown in fig. 3 is described in detail below:
1. ethernet communication is used between the terminal (i.e., terminal 16 above) and the test computer (test terminal 14 above); the terminal can be replaced with a virtual terminal.
2. HPLC communication is used between the terminal and each shielding cage (shielding device 10 above); the shielding box may be placed in a cabinet.
3. The shielding boxes shield micropower wireless signals between 470MHz and 510MHz, so that space signals between the shielding boxes are isolated.
4. The intelligent electric meter in the shielding box supports HPLC communication (supports a plurality of intelligent electric meters), and the single/double-way water meter, the gas meter and the heat meter support micro-power wireless communication (supports a plurality of intelligent electric meters).
5. The dual-mode II-type collector is networked with the terminal in an HPLC communication mode, collects a single/double-way water meter, a gas meter and a heat meter in a micropower wireless communication mode, and collects a 485 intelligent electric energy meter in an RS485 mode.
6. 30dB attenuators are arranged among the shielding boxes and can be arranged between 0dB and 60dB according to requirements;
7. the number of shielding boxes can be increased or decreased according to the needs. For example, 15 shielding boxes are provided, and attenuators are all set to be 30dB, so that a 15-level topological environment can be formed; if the attenuators are all set to 0dB, a level 1 topology or a level 2 flapping environment can be formed.
8. In the shielding box, the dual-mode II type collector can be extended and connected into a water, gas and heat intelligent meter supporting M-Bus.
Fig. 4 is a flowchart of a testing method of a smart meter according to an embodiment of the present application, and the testing method is applied to the testing system shown in fig. 1 to test the communication performance and the electrical performance of a plurality of smart meters, and includes the following steps:
step S402, setting the working frequency of the attenuator according to the number of the shielding devices. Setting the value of the attenuator to construct a 15-level/7-level topological environment.
And S404, the control terminal inquires the topology information of the routing network and completes the networking of the intelligent instruments. Initializing a terminal, and clearing communication information of slave nodes; sending intelligent meter (dual-mode II type collector, electricity, water, gas and heat meter) slave node archive information to the terminal; and inquiring routing network topology information (HPLC) and waiting for finishing networking.
Step S406, controlling the test terminal to acquire the following data acquired by the dual-mode II type acquisition device for multiple times: electricity, water, gas and heat charges.
And step S408, judging whether the communication performance and the electrical performance of the intelligent instruments meet the requirements or not according to the success rate of the data acquisition of the dual-mode II-type collector. Collecting data of the intelligent meter for multiple rounds; the acquisition success rate is required to be more than or equal to 99 percent.
By the method, comprehensive tests such as electrical performance tests and communication performance tests of communication interfaces (such as micropower wireless interfaces, RS-485 interfaces and M-Bus interfaces) of the intelligent meters such as the dual-mode II-type collector, electricity, water, gas and heat meters can be performed.
It should be noted that, reference may be made to the description related to the embodiment shown in fig. 1 for a preferred implementation of the embodiment shown in fig. 4, and details are not described here again.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a Read Only Memory (ROM), a random access Memory (RBJDLM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (10)
1. A test system for a smart meter, comprising:
a plurality of shielding devices for housing a plurality of smart meters, wherein the plurality of smart meters includes at least: the system comprises a dual-mode II-type collector, an electric energy meter, a water meter, a gas meter and a heat meter, wherein the dual-mode II-type collector can simultaneously collect the following data: electricity, water, gas and heat charges;
the attenuator is arranged among the shielding devices and used for connecting the shielding devices;
the test terminal is in communication connection with one of the shielding devices and used for testing the communication performance and the electrical performance of the intelligent instruments;
and the terminal is arranged between the test terminal and the shielding equipment and used for realizing the networking function of a plurality of intelligent instruments in the plurality of shielding equipment.
2. The test system of claim 1, wherein the shielding device comprises at least two layers, wherein,
the first layer of the shielding equipment is used for placing a communication unit test fixture, and the communication unit test fixture is used for connecting the communication modules and the power supply modules of the intelligent instruments;
the second layer of the shielding device is used for placing the plurality of intelligent meters.
3. The test system of claim 2, wherein the plurality of shielding devices communicate with one another using broadband power line carrier communication.
4. The test system of claim 2, wherein the terminal and the test terminal communicate via ethernet, and wherein the terminal and the shielding device communicate via broadband power line carrier communication.
5. The test system according to claim 2, wherein the dual-mode II-type collector communicates with the water meter, the gas meter and the heat meter in a micro-power wireless communication manner, communicates with the electric energy meter through an RS485 bus, and communicates with the terminal in a broadband power line carrier communication manner.
6. The test system of claim 5, wherein the dual mode type II collector is further accessible to a water meter, a gas meter, and a heat meter supporting an M-Bus remote meter reading system Bus.
7. The test system of claim 1, wherein the shielding device can shield micropower wireless signals between 470MHz and 510 MHz.
8. The test system of claim 1, wherein the operating frequency of the attenuator is adjustable within a predetermined operating frequency range based on the number of shielding devices.
9. The test system according to any one of claims 1 to 8, wherein the test system is powered by an independent power module.
10. A method for testing smart meters, which is applied to the test system of any one of claims 1 to 9 to test the communication performance and the electrical performance of the plurality of smart meters, and comprises the following steps:
setting the working frequency of the attenuator according to the number of the shielding devices;
controlling the terminal to inquire the topological information of the routing network, and finishing the networking of the plurality of intelligent meters;
controlling the test terminal to acquire the following data acquired by the dual-mode II-type acquisition device for multiple times: electricity, water, gas and heat charges;
and judging whether the communication performance and the electrical performance of the intelligent instruments meet the requirements or not according to the success rate of the data acquired by the dual-mode II-type collector.
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| CN202010683130.5A CN111896908A (en) | 2020-07-15 | 2020-07-15 | Test system and test method of intelligent instrument |
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| CN202010683130.5A CN111896908A (en) | 2020-07-15 | 2020-07-15 | Test system and test method of intelligent instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422154A (en) * | 2020-11-23 | 2021-02-26 | 国网北京市电力公司 | Test system, test method, test device and processor for HPLC (high performance liquid chromatography) platform area identification |
| CN113395086A (en) * | 2021-06-15 | 2021-09-14 | 国网北京市电力公司 | Test system and method for dual-mode communication device, and nonvolatile storage medium |
| CN115604166A (en) * | 2022-11-23 | 2023-01-13 | 杭州紫光通信技术股份有限公司（Cn） | Instrument communication test method and device, storage medium and electronic device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507404A (en) * | 2017-09-21 | 2017-12-22 | 国网上海市电力公司 | A kind of Automatic meter reading system of multiple-in-one |
| CN108508396A (en) * | 2018-03-13 | 2018-09-07 | 中国电力科学研究院有限公司 | Multiple-in-one collecting device detecting system and method |
| CN109687919A (en) * | 2018-12-28 | 2019-04-26 | 江苏米特物联网科技有限公司 | Power information acquires downlink communication unit anti-decay property test macro and method |
| CN209120175U (en) * | 2018-12-28 | 2019-07-16 | 江苏米特物联网科技有限公司 | A kind of broadband HPLC communication module anti-decay property test macro |
| CN110752885A (en) * | 2019-10-08 | 2020-02-04 | 国网青海省电力公司电力科学研究院 | Detection equipment of multi-meter integrated acquisition system |
| CN110995314A (en) * | 2019-12-05 | 2020-04-10 | 国网天津市电力公司电力科学研究院 | Low-voltage broadband power line carrier communication comprehensive test system |
| CN211018853U (en) * | 2019-12-23 | 2020-07-14 | 深圳市国电科技通信有限公司 | Performance detection system for dual mode communication device |
-
2020
- 2020-07-15 CN CN202010683130.5A patent/CN111896908A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507404A (en) * | 2017-09-21 | 2017-12-22 | 国网上海市电力公司 | A kind of Automatic meter reading system of multiple-in-one |
| CN108508396A (en) * | 2018-03-13 | 2018-09-07 | 中国电力科学研究院有限公司 | Multiple-in-one collecting device detecting system and method |
| CN109687919A (en) * | 2018-12-28 | 2019-04-26 | 江苏米特物联网科技有限公司 | Power information acquires downlink communication unit anti-decay property test macro and method |
| CN209120175U (en) * | 2018-12-28 | 2019-07-16 | 江苏米特物联网科技有限公司 | A kind of broadband HPLC communication module anti-decay property test macro |
| CN110752885A (en) * | 2019-10-08 | 2020-02-04 | 国网青海省电力公司电力科学研究院 | Detection equipment of multi-meter integrated acquisition system |
| CN110995314A (en) * | 2019-12-05 | 2020-04-10 | 国网天津市电力公司电力科学研究院 | Low-voltage broadband power line carrier communication comprehensive test system |
| CN211018853U (en) * | 2019-12-23 | 2020-07-14 | 深圳市国电科技通信有限公司 | Performance detection system for dual mode communication device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112422154A (en) * | 2020-11-23 | 2021-02-26 | 国网北京市电力公司 | Test system, test method, test device and processor for HPLC (high performance liquid chromatography) platform area identification |
| CN113395086A (en) * | 2021-06-15 | 2021-09-14 | 国网北京市电力公司 | Test system and method for dual-mode communication device, and nonvolatile storage medium |
| CN115604166A (en) * | 2022-11-23 | 2023-01-13 | 杭州紫光通信技术股份有限公司（Cn） | Instrument communication test method and device, storage medium and electronic device |
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