CN112526276A - Interface converter detection method - Google Patents
Interface converter detection method Download PDFInfo
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- CN112526276A CN112526276A CN202011538397.1A CN202011538397A CN112526276A CN 112526276 A CN112526276 A CN 112526276A CN 202011538397 A CN202011538397 A CN 202011538397A CN 112526276 A CN112526276 A CN 112526276A
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- 238000001514 detection method Methods 0.000 title claims abstract description 90
- 238000012360 testing method Methods 0.000 claims abstract description 75
- 238000004891 communication Methods 0.000 claims abstract description 25
- 238000011990 functional testing Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013095 identification testing Methods 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses an interface converter detection method, which comprises the following steps that a functional test module receives a first detection instruction, the first detection instruction performs functional test on an uplink channel, the first detection instruction performs functional test on a downlink channel, and the first detection instruction performs functional test on timing precision; the load capacity testing module is used for receiving a second detection instruction, and the second detection instruction is used for carrying out load capacity detection on the communication module interface and the power supply interface; the downlink power consumption testing module is used for receiving a third detection instruction, and the third detection instruction is used for performing power consumption detection on a voltage module and a current module in the downlink communication module; according to the detection method, the functional test module is subjected to functional test, the loading capacity test module is subjected to loading capacity test, the downlink power consumption test module is subjected to power consumption test, the converter can be subjected to omnibearing test, and the problem of difficulty in testing the converter is solved.
Description
Technical Field
The invention relates to the technical field of interface converter testing, in particular to an interface converter detection method.
Background
Currently, "all-in-one table" has become one of the most widely discussed problems in the industry, and "all-in-one table" information acquisition means that a unified data service platform is constructed by using a novel communication technology and installing data acquisition and remote transmission equipment, so that real-time acquisition, uploading and analysis of metering data of public service industries such as electricity, water, gas, heat and the like are realized, and cross-industry resource integration, resource sharing, service intercommunication and the like are realized. The basic idea of the scheme is based on the existing electricity utilization information acquisition system, and the unified acquisition and uploading of the information of the water-electricity-gas-heat meter are realized by changing as little as possible, so that an interface converter is added to the original system to realize the acquisition of the water-gas-heat meter.
Most of the existing interface converters are of an integral structure, and the interface converters need to be subjected to functional testing after production is completed, so that the interface converters leaving factories are qualified products, and how to provide a detection method is a problem which is always discussed.
Disclosure of Invention
The invention aims to provide an interface converter detection method to solve the problem of high detection difficulty of an interface converter in the prior art.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the interface converter detection method comprises the following steps:
sending a detection instruction, wherein the detection instruction comprises a first detection instruction, a second detection instruction and a third detection instruction;
the functional testing module receives a first detection instruction, the first detection instruction performs functional detection on an uplink channel, the first detection instruction performs functional detection on a downlink channel, and the first detection instruction performs functional testing on timing precision;
the load capacity testing module is used for receiving a second detection instruction, and the second detection instruction is used for carrying out load capacity detection on the communication module interface and the power supply interface;
and the downlink power consumption testing module is used for receiving a third detection instruction, and the third detection instruction is used for performing power consumption detection on a voltage module and a current module in the downlink communication module.
Furthermore, an uplink RS-485 interface is adopted as a sending channel of the uplink test frame in the process of performing function detection on the uplink channel.
Furthermore, the RS-485 and M-Bus interfaces are connected with the virtual meter during the function detection of the downlink channel.
Furthermore, in the process of performing function test on the timing precision, the standard source output pulse is used as a comparison basis, and the timing error is calculated.
Further, the detecting the load carrying capability of the communication module interface and the power interface specifically includes: testing the load capacity of the communication module interface, the M-Bus and the power supply part of the converter;
the load of the on-load test head is switched into a rated load, and voltage, ripple waves and stray noise signals are sampled;
and sending the sampling result to voltage, ripple and stray detection equipment for detection.
Further, the M-Bus load carrying capacity test is carried out in a constant current electronic load mode.
Further, the detection instruction further includes a fourth detection designation, where the fourth detection instruction is used to initiate an identification packet and verify whether a response process of the module meets a specification requirement to perform interchangeability test of the downlink communication module.
According to the technical scheme, the embodiment of the invention at least has the following effects: according to the detection method, the functional test module is subjected to functional test, the loading capacity test module is subjected to loading capacity test, the downlink power consumption test module is subjected to power consumption test, the converter can be subjected to omnibearing test, and the problem of difficulty in testing the converter is solved.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The interface converter detection method comprises the following steps: sending a detection instruction, wherein the detection instruction comprises a first detection instruction, a second detection instruction and a third detection instruction; the functional testing module receives a first detection instruction, the first detection instruction performs functional detection on an uplink channel, the first detection instruction performs functional detection on a downlink channel, and the first detection instruction performs functional testing on timing precision; the load capacity testing module is used for receiving a second detection instruction, and the second detection instruction is used for carrying out load capacity detection on the communication module interface and the power supply interface; and the downlink power consumption testing module is used for receiving a third detection instruction, and the third detection instruction is used for performing power consumption detection on a voltage module and a current module in the downlink communication module.
According to the detection method, the functional test module is subjected to functional test, the loading capacity test module is subjected to loading capacity test, the downlink power consumption test module is subjected to power consumption test, the converter can be subjected to omnibearing test, and the problem of difficulty in testing the converter is solved.
And (3) functional testing: the power is supplied to the collector to be tested by using the industrial frequency source, the uplink RS-485 interface is used as an issuing channel of an uplink test frame, the downlink channel is connected with the virtual meter by using RS-485 and M-Bus interfaces, the standard source output pulse is used as a comparison basis for timing precision test, and the timing error is calculated. And the M-Bus uplink reading event is virtually used for simulating the reading event of the original system of the water-gas-heat meter. According to T/CEC122.32, part 3-2 of the electric, water, gas and heat energy metering management system: the collector technical specification realizes functional test items such as a data acquisition test, a clock time synchronization and travel time error test, a local state indication test, a local maintenance interface test, an M-Bus port self-scheduling test, an M-Bus interface overload protection test, a data acquisition reliability test, long-term operation reliability and the like;
and (3) testing the loading capacity: the load capacity of the communication module interface, the M-Bus, the power supply and the like of the converter is mainly tested. The load of the on-load test head is switched into a rated load, and signals such as voltage, ripple waves, stray noise and the like are sampled and sent to voltage, ripple waves and stray detection equipment. The M-Bus load capacity test adopts a scheme of constant-current electronic load. According to T/CEC122.32, part 3-2 of an electric water, gas and heat energy metering management system: and the collector technical specification realizes the loading capability test of the collector communication interface.
And (3) downlink power consumption testing: the module generates dynamic and static working states by initiating meter reading messages, and the voltage and current sampling module carries out module power consumption detection. Can be according to T/CEC122.32 part 3-2 of the electric, water, gas and heat energy metering management system: the collector technical specification realizes the power consumption test of the downlink communication module and the wake-up mechanism test of the low-power module, and can calculate indexes such as annual energy consumption according to set parameters such as reading data, frequency and the like.
Interface converter interchangeability and port identification process test: the virtual communication module is adopted to replace an actual communication module, and the virtual communication module can respond to messages such as identification, meter reading and the like actively initiated by the collector. The virtual meter is connected with the collector through interfaces such as RS-485 and M-Bus, and can respond to the related test message. During testing, tests such as automatic identification of test ports and self identification of communication modules are performed by changing an attachment table meter of the virtual communication module and changing attributes (uplink and downlink) of the virtual communication module. According to T/CEC122.32, part 3-2 of an electric water, gas and heat energy metering management system: the collector technical specification realizes test items such as port automatic identification test, uplink communication flow test, downlink communication flow test, communication module self-identification test, protocol consistency test and the like.
The interchangeability test of the interface converter downlink module: and verifying whether the response process of the module meets the standard requirement by initiating the identification message. The method can be realized according to the part 3-2 of the electric, gas and heat energy metering management system of T/CECXXXXXXX.32: the collector technical specification realizes a communication module self-identification response test and a downlink communication flow test.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The interface converter detection method is characterized by comprising the following steps:
sending a detection instruction, wherein the detection instruction comprises a first detection instruction, a second detection instruction and a third detection instruction;
the functional testing module receives a first detection instruction, the first detection instruction performs functional detection on an uplink channel, the first detection instruction performs functional detection on a downlink channel, and the first detection instruction performs functional testing on timing precision;
the load capacity testing module is used for receiving a second detection instruction, and the second detection instruction is used for carrying out load capacity detection on the communication module interface and the power supply interface;
and the downlink power consumption testing module is used for receiving a third detection instruction, and the third detection instruction is used for performing power consumption detection on a voltage module and a current module in the downlink communication module.
2. The method of claim 1, wherein an uplink RS-485 interface is used as a downlink channel for an uplink test frame during the function detection of the uplink channel.
3. The method of claim 1, wherein the RS-485 and M-Bus interfaces are connected to a virtual meter during the function test of the downstream channel.
4. The method as claimed in claim 1, wherein the timing error is calculated by using the standard source output pulse as a comparison basis during the functional test of the timing accuracy.
5. The method of claim 1, wherein the detecting the load capability of the communication module interface and the power interface specifically comprises: testing the load capacity of the communication module interface, the M-Bus and the power supply part of the converter;
the load of the on-load test head is switched into a rated load, and voltage, ripple waves and stray noise signals are sampled;
and sending the sampling result to voltage, ripple and stray detection equipment for detection.
6. The interface converter detection method of claim 5, wherein the M-Bus load capability test is performed by means of a constant current electronic load.
7. The method according to claim 1, wherein the detection instruction further includes a fourth detection specification, and the fourth detection instruction is used to initiate an identification packet and verify whether a module response process meets specification requirements for performing a downlink communication module interchangeability test.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538397.1A CN112526276A (en) | 2020-12-23 | 2020-12-23 | Interface converter detection method |
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| CN202011538397.1A CN112526276A (en) | 2020-12-23 | 2020-12-23 | Interface converter detection method |
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| CN112526276A true CN112526276A (en) | 2021-03-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113472603A (en) * | 2021-05-28 | 2021-10-01 | 深圳供电局有限公司 | Fault detection method and device of uplink communication module and computer equipment |
| CN115792471A (en) * | 2023-01-29 | 2023-03-14 | 深圳市创世富尔电子有限公司 | Electronic transformer testing method and device, computer equipment and storage medium |
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| CN108595294A (en) * | 2018-03-13 | 2018-09-28 | 中国电力科学研究院有限公司 | Multiple-in-one collecting device communication interface converter testing system and method |
| CN109617628A (en) * | 2018-12-07 | 2019-04-12 | 国网山东省电力公司电力科学研究院 | A kind of multiple-in-one acquisition equipment multifunctional detecting device and method |
| CN111383436A (en) * | 2019-12-16 | 2020-07-07 | 国网北京市电力公司 | Testing device for multi-meter centralized reading communication interface converter |
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2020
- 2020-12-23 CN CN202011538397.1A patent/CN112526276A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN108595294A (en) * | 2018-03-13 | 2018-09-28 | 中国电力科学研究院有限公司 | Multiple-in-one collecting device communication interface converter testing system and method |
| CN109617628A (en) * | 2018-12-07 | 2019-04-12 | 国网山东省电力公司电力科学研究院 | A kind of multiple-in-one acquisition equipment multifunctional detecting device and method |
| CN111383436A (en) * | 2019-12-16 | 2020-07-07 | 国网北京市电力公司 | Testing device for multi-meter centralized reading communication interface converter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113472603A (en) * | 2021-05-28 | 2021-10-01 | 深圳供电局有限公司 | Fault detection method and device of uplink communication module and computer equipment |
| CN115792471A (en) * | 2023-01-29 | 2023-03-14 | 深圳市创世富尔电子有限公司 | Electronic transformer testing method and device, computer equipment and storage medium |
| CN115792471B (en) * | 2023-01-29 | 2023-04-28 | 深圳市创世富尔电子有限公司 | Electronic transformer testing method, device, computer equipment and storage medium |
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Application publication date: 20210319 |