CN110118951A - A kind of electric energy measuring equipment multi-stress test device - Google Patents

A kind of electric energy measuring equipment multi-stress test device Download PDF

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Publication number
CN110118951A
CN110118951A CN201910537065.2A CN201910537065A CN110118951A CN 110118951 A CN110118951 A CN 110118951A CN 201910537065 A CN201910537065 A CN 201910537065A CN 110118951 A CN110118951 A CN 110118951A
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CN
China
Prior art keywords
test
stress
block device
electric energy
measuring equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910537065.2A
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Chinese (zh)
Inventor
张乐平
王保帅
肖勇
胡珊珊
尹家悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CSG Electric Power Research Institute
China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
Original Assignee
China Southern Power Grid Co Ltd
Research Institute of Southern Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Southern Power Grid Co Ltd, Research Institute of Southern Power Grid Co Ltd filed Critical China Southern Power Grid Co Ltd
Priority to CN201910537065.2A priority Critical patent/CN110118951A/en
Publication of CN110118951A publication Critical patent/CN110118951A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/003Environmental or reliability tests
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/04Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current

Abstract

This application discloses a kind of electric energy measuring equipment multi-stress test devices, comprising: test block device, electrical over-stress test device and the proof stress bringing device that multiple and different types are independently arranged;Block device is tested, carries out stress test for carrying the test system in electric energy measuring equipment;Electrical over-stress test device, for providing overvoltage condition simulation for the test system in test block device;Proof stress bringing device, for providing proof stress state simulation for the test system in each test block device;Electrical over-stress test device is added in the application experimental rig, can device under test carry out electrical over-stress test, ensure to test more comprehensive, obtain more accurate reliability test result, further include multiple test block devices, test system each in electric energy measuring equipment is tested respectively, the test parameter of each test system can be obtained, it can also be tested simultaneously, improve testing efficiency.

Description

A kind of electric energy measuring equipment multi-stress test device
Technical field
The present invention relates to electric energy meter technical field, in particular to a kind of electric energy measuring equipment multi-stress test device.
Background technique
With the fast development of smart grid, measuring technique, the communication technology, information technology and the control of advanced sensors are merged The modernization power grid of technology processed preliminarily forms, as the core in smart grid, AMI (Advanced Metering Infrastructure, advanced metering framework) advanced metering framework plays an important role wherein.Electric energy metering device is The important component of advanced metering framework, including intelligent electric meter and intelligent metering terminal etc..
According to statistics, the failure rate of new clothes electric energy meter First Year operation just reaches 900ppm, and drug in some provinces is even as high as 6000ppm.High failure-rate level not only increases the operation expense of power grid, and electric power resource is caused to waste and pass through Ji loss, also causes certain risk to the safe operation of power network and user security electricity consumption.
Since electric energy measuring equipment is integrally regarded as the series model being made of its internal each component, wherein each A component failure can all directly result in electric energy measuring equipment failure, so electric energy measuring equipment is integrally tested Conclusion has certain reference value to the reliability prediction of electric energy measuring equipment entirety, but pre- for the reliability of key components Meter is then unable to get valid conclusion, and can not also provide effective ways to the promotion of electric energy measuring equipment global reliability.
Further, since previous reliability test is only capable of the whole test for carrying out temperature and humidity to electric energy measuring equipment Stress test, the reliability conclusion obtained in this way are inaccurate for components certain in electric energy measuring equipment.
One kind that therefore, the present invention intends to propose can obtain the more accurate electrical energy measurement of electric energy measuring equipment reliability and set Standby stress test device.
Summary of the invention
In view of this, can be obtained the purpose of the present invention is to provide a kind of electric energy measuring equipment multi-stress test device More accurate electric energy measuring equipment reliability.Its concrete scheme is as follows:
A kind of electric energy measuring equipment multi-stress test device, comprising: what multiple and different types were independently arranged is used to test electricity Test block device, electrical over-stress test device and the proof stress bringing device of energy measuring equipment unit and component;
Each test block device is connect with the proof stress bringing device, the electrical over-stress test device and phase The test block device connection answered, each test block device, which is provided with, to be used for and communicating with external device, reception and registration test system The signal line interface of state;
Block device is tested, carries out stress test for carrying the test system in electric energy measuring equipment;
The electrical over-stress test device, for providing overvoltage condition mould for the test system in test block device It is quasi-;
The proof stress bringing device, for providing proof stress state for the test system in each test block device Simulation.
Optionally, further includes:
For bearing test block device, the external frame of electrical over-stress test device and proof stress bringing device;
It is equipped in the external frame and is applied respectively with each test block device, electrical over-stress test device and proof stress Feeder apparatus connection, for inputting parameter and showing the control panel of each working state of device.
Optionally, the proof stress bringing device, including work normally electric stress device, temperature control equipment and humidity Control device;
The normal work electric stress device, for providing normal work for the test system in each test block device Electric stress;
The temperature control equipment, for controlling the operating ambient temperature of the test system in each test block device;
The humidity conditioner, for controlling the working environment humidity of the test system in each test block device.
Optionally, it is described work normally electric stress device range of current output be 0 to 30A, voltage output range be 0 to 300V。
Optionally, the temperature regulating range of the temperature control equipment is -60 DEG C to+180 DEG C.
Optionally, the humidity control range of the humidity conditioner is 5% to 95%.
Optionally, the multiple test block device is packaged for display unit test block device, clock unit trial zone It sets, battery unit test block device, Switching Power Supply test block device, metering chip test block device, electrolytic capacitor examination Test block device, GPRS single test block device and RS485 module test block device.
Optionally, each test block device can accommodate 30 to 60 test systems.
Optionally, the electrical over-stress test device tests block device, the battery list with the display unit respectively Member test block device, Switching Power Supply test block device, the metering chip test block device, the electrolytic capacitor Test block device, the GPRS single test block device are connected with the RS485 module test block device.
In the present invention, electric energy measuring equipment multi-stress test device, comprising: what multiple and different types were independently arranged is used to survey Try test block device, electrical over-stress test device and the proof stress bringing device of electric energy measuring equipment unit and component; Each test block device is connect with proof stress bringing device, electrical over-stress test device and corresponding test block device Connection, each test block device, which is provided with, to be used for and communicating with external device, and the signal line of reception and registration test system state connects Mouthful;Block device is tested, carries out stress test for carrying the test system in electric energy measuring equipment;Electrical over-stress test dress It sets, for providing overvoltage condition simulation for the test system in test block device;Proof stress bringing device, for being each The test system tested in block device provides proof stress state simulation.
Electrical over-stress test device is added in experimental rig of the present invention, can device under test carry out electrical over-stress test, Ensure that test is more comprehensive, so that more accurate reliability test result is obtained, meanwhile, it further include that multiple trial zones are packaged It sets, integrated testability no longer is carried out to electric energy measuring equipment, but test system each in electric energy measuring equipment is surveyed respectively Examination, can obtain the test parameter of each test system, can also carry out simultaneously to the test system in each test block device Test, improves testing efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of electric energy measuring equipment multi-stress test apparatus structure schematic diagram provided in an embodiment of the present invention;
Fig. 2 is another electric energy measuring equipment multi-stress test apparatus structure schematic diagram provided in an embodiment of the present invention;
Fig. 3 is a kind of electric energy measuring equipment multi-stress test device schematic perspective view provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
It is shown in Figure 1 the embodiment of the invention discloses a kind of electric energy measuring equipment multi-stress test device, the device packet Include: multiple and different types be independently arranged for testing the test block device 1, excessively electric of electric energy measuring equipment unit and component Stress test device 2 and proof stress bringing device 3;
Each test block device 1 is connect with proof stress bringing device 3, electrical over-stress test device 2 with it is corresponding It tests block device 1 to connect, each test block device 1, which is provided with, to be used for and communicating with external device, reception and registration test system shape The signal line interface 4 of state;
Block device 1 is tested, carries out stress test for carrying the test system in electric energy measuring equipment;
Electrical over-stress test device 2, for providing overvoltage condition simulation for the test system in test block device 1;
Proof stress bringing device 3, for providing proof stress state mould for the test system in each test block device 1 It is quasi-.
Specifically, shown in Figure 2, each test block device 1, can be tested for display unit block device 11, when Clock single test block device 12, battery unit test block device 13, Switching Power Supply test block device 14, metering chip examination Test block device 15, electrolytic capacitor test block device 16, GPRS single test block device 17 or RS485 module test block Device 18;Entire electric energy measuring equipment multi-stress test device can include that display unit tests block device 11, clock simultaneously Single test block device 12, battery unit test block device 13, Switching Power Supply test block device 14, metering chip test Block device 15, electrolytic capacitor test block device 16, GPRS single test block device 17 and RS485 module test block dress Set 18, totally eight kinds of test block devices 1, each test block device 1 can place multiple test systems and be tested, each to The working condition for surveying device can be transmitted to extraneous host computer by signal line interface 4, so that host computer is according to each to be measured The working condition of device is analyzed, and reliability test result is obtained.
Wherein, each test block device 1 can accommodate 30 to 60 test systems simultaneously, certainly, test block device 1 Size can be configured according to practical application request, only propose a kind of selection herein, it is each test block device 1 can be same When work the test system of respective inside is tested, can also separate and work independently, can also be respectively to internal to be measured Device is individually tested, and electrical over-stress test device 2 tests block device 11, battery unit trial zone with display unit respectively Block assembly 13, Switching Power Supply test block device 14, metering chip test block device 15, electrolytic capacitor test block device 16, GPRS single test block device 17 and RS485 module test block device 18 connect, since clock unit trial zone is packaged It sets test system in 12 to be not necessarily to carry out electrical over-stress test, so electrical over-stress test device 2 does not test block with clock unit Device 12 connects.
Specifically, test system may include the display of electric energy measuring equipment in display unit test block device 11, The electrical over-stress test of test system is higher than from electrical over-stress test device 2 to its input in display unit test block device 11 The voltage of the nominal operation level of test system is realized.
Specifically, test system may include the clock timing of electric energy measuring equipment in clock unit test block device 12 Circuit, clock unit test test system in block device 12 and are not necessarily to carry out electrical over-stress test, it is only necessary to carry out temperature and humidity Stress test.
Specifically, test system may include the power supply electricity of electric energy measuring equipment in battery unit test block device 13 Pond, the electrical over-stress test that battery unit tests test system in block device 13 are mainly passed through by electrical over-stress test device 2 Apply discharge current to test system to the electrical over-stress interface of battery unit test block device 13 to realize.
Specifically, test system may include the power supply electricity of electric energy measuring equipment in Switching Power Supply test block device 14 Source, the electrical over-stress test that Switching Power Supply tests test system in block device 14 simulate thunder and lightning by electrical over-stress test device 2 Surge voltage or electric fast transient impulse train provide.
Specifically, test system may include the metering core of electric energy measuring equipment in metering chip test block device 15 Piece, the electrical over-stress that metering chip tests test system in block device 15 are tested by electrical over-stress test device 2 in metering core Harmonic wave is added on the voltage that piece works normally to realize.
Specifically, test system may include the electrolytic capacitor of electric energy measuring equipment in electrolytic capacitor test block device 16 Circuit, the electrical over-stress test that electrolytic capacitor tests test system in block device 16 are defeated from electrical over-stress test device 2 to its Enter to be higher than the voltage or electric current of its normal range of operation to realize.
Specifically, GPRS single test block device 17 (GPRS, General Packet Radio Service, it is general Grouping wireless service technology) in test system may include electric energy measuring equipment GPRS, GPRS single test block device 17 The electrical over-stress test of middle test system is higher than its normal range of operation from electrical over-stress test device 2 to test system input Voltage or electric current are realized.
Specifically, may include electric energy measuring equipment RS485 module, RS485 mould in RS485 module test block device 18 The electrical over-stress test that block tests test system in block device 18 is right by the simulation lightning surge voltage of electrical over-stress test device 2 It is inputted afterwards to realize.
It should be noted that temperature humidity is consistent with Integrated test facility in each trial zone and is evenly distributed.
Wherein, in electric energy measuring equipment, there is the failure of device such as Switching Power Supply, RS485 module being electrically connected etc. with outside Mostly because lightning impulse etc. causes, electrical over-stress test device 2, which introduces, can provide lightning surge impact, output impact Voltage magnitude 0-10kV is adjustable.
Specifically, may include working normally electric stress in above-mentioned proof stress bringing device 3 shown in referring to figs. 2 and 3 Device 31, temperature control equipment 32 and humidity conditioner 33;
Electric stress device 31 is worked normally, for providing normal work for the test system in each test block device 1 Electric stress, different size can be provided to each test system respectively according to the different of test system by working normally electric stress device 31 Make its normal work with the electric stress of grade, works normally in electric stress device 31 and do not interfered with mutually between each power supply line.
Specifically, the range of current output for working normally electric stress device 31 can be 0 to 30A, voltage output range can Think 0 to 300V.
Temperature control equipment 32, for controlling the operating ambient temperature of the test system in each test block device 1, temperature The temperature regulating range of control device 32 can be -60 DEG C to+180 DEG C, and temperature control equipment 32 can be adjusted using electronic type Mode, testing crew, which need to only input test temperature, can be automatically adjusted to assigned temperature, and it is packaged to monitor each trial zone in real time It sets 1 internal temperature and compares the temperature measured with input temp, can adjust in real time.
Humidity conditioner 33, for controlling the working environment humidity of the test system in each test block device 1, humidity The humidity control range of control device 33 can be 5% to 95%, the side that humidity conditioner 33 can be adjusted using electronic type Formula, testing crew, which need to only input humidity value, can be automatically adjusted to specified humidity, can monitor in real time inside each test block device 1 Humidity simultaneously compares the humidity value measured and input humidity, can adjust in real time.
Wherein, respectively test 1 signal line of block device can be in real time by the corresponding test interior test system of block device 1 Failure number, normal work number feed back to outside, use heat-resisting material at signal line and test 1 interface of block device, and Closing, not will receive the influence of humidity and temperature in experimental rig.
It should be noted that electrical over-stress test device 2 and proof stress bringing device 3 are not connected with each other in Fig. 1, figure Electrical over-stress test device 2, normal work electric stress device 31, temperature control equipment 32 and humidity conditioner 33 in 2 and Fig. 3 It is not connected with each other, each device autonomous working is not interfere with each other.
As it can be seen that add electrical over-stress test device 2 in experimental rig of the embodiment of the present invention, can device under test carried out Electric stress test, it is ensured that test is more comprehensive, so that more accurate reliability test result is obtained, meanwhile, it further include multiple Block device 1 is tested, integrated testability no longer is carried out to electric energy measuring equipment, but to test system each in electric energy measuring equipment Tested respectively, the test parameter of each test system can be obtained, can also simultaneously to it is each test block device 1 in It surveys device to be tested, improves testing efficiency.
Wherein, shown in Figure 3, electric energy measuring equipment multi-stress test device may include external frame 5 and be installed on The control panel 6 of external frame, control panel 6 can respectively with test block device 1, electrical over-stress test device 2 and test Stress bringing device 3 connects, and the test ginseng that can be arranged in electrical over-stress test device 2 and proof stress bringing device 3 The status information of device under test in block device 1 is tested in number, display.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered Think beyond the scope of this invention.
Technology contents provided by the present invention are described in detail above, specific case used herein is to this hair Bright principle and embodiment is expounded, method of the invention that the above embodiments are only used to help understand and its Core concept;At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment and application There will be changes in range, in conclusion the contents of this specification are not to be construed as limiting the invention.

Claims (9)

1. a kind of electric energy measuring equipment multi-stress test device characterized by comprising the use that multiple and different types are independently arranged Apply dress in the test block device of test electric energy measuring equipment unit and component, electrical over-stress test device and proof stress It sets;
Each test block device is connect with the proof stress bringing device, the electrical over-stress test device with it is corresponding Block device connection is tested, each test block device, which is provided with, to be used for and communicating with external device, reception and registration test system state Signal line interface;
Block device is tested, carries out stress test for carrying the test system in electric energy measuring equipment;
The electrical over-stress test device, for providing overvoltage condition simulation for the test system in test block device;
The proof stress bringing device, for providing proof stress state mould for the test system in each test block device It is quasi-.
2. electric energy measuring equipment multi-stress test device according to claim 1, which is characterized in that further include:
For bearing test block device, the external frame of electrical over-stress test device and proof stress bringing device;
It is equipped with to apply with each test block device, electrical over-stress test device and proof stress respectively in the external frame and fill Connection is set, for inputting parameter and showing the control panel of each working state of device.
3. electric energy measuring equipment multi-stress test device according to claim 1, which is characterized in that the proof stress is applied Feeder apparatus, including work normally electric stress device, temperature control equipment and humidity conditioner;
The normal work electric stress device, the electricity for providing normal work for the test system in each test block device are answered Power;
The temperature control equipment, for controlling the operating ambient temperature of the test system in each test block device;
The humidity conditioner, for controlling the working environment humidity of the test system in each test block device.
4. electric energy measuring equipment multi-stress test device according to claim 3, which is characterized in that the normal work electricity The range of current output of stress device is 0 to 30A, and voltage output range is 0 to 300V.
5. electric energy measuring equipment multi-stress test device according to claim 3, which is characterized in that the temperature control dress The temperature regulating range set is -60 DEG C to+180 DEG C.
6. electric energy measuring equipment multi-stress test device according to claim 3, which is characterized in that the humid control dress The humidity control range set is 5% to 95%.
7. electric energy measuring equipment multi-stress test device according to any one of claims 1 to 6, which is characterized in that described Multiple test block devices are that display unit tests block device, clock unit tests block device, battery unit tests block Device, Switching Power Supply test block device, metering chip test block device, electrolytic capacitor test block device, GPRS unit Test block device and RS485 module test block device.
8. electric energy measuring equipment multi-stress test device according to claim 7, which is characterized in that each trial zone Block assembly can accommodate 30 to 60 test systems.
9. electric energy measuring equipment multi-stress test device according to claim 7, which is characterized in that the electrical over-stress is surveyed Trial assembly is set to be tried with display unit test block device, battery unit test block device, the Switching Power Supply respectively Test block device, metering chip test block device, the electrolytic capacitor test block device, the GPRS single test Block device is connected with the RS485 module test block device.
CN201910537065.2A 2019-06-20 2019-06-20 A kind of electric energy measuring equipment multi-stress test device Pending CN110118951A (en)

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CN201910537065.2A CN110118951A (en) 2019-06-20 2019-06-20 A kind of electric energy measuring equipment multi-stress test device

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CN201910537065.2A CN110118951A (en) 2019-06-20 2019-06-20 A kind of electric energy measuring equipment multi-stress test device

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070035612A (en) * 2004-07-23 2007-03-30 가부시키가이샤 아드반테스트 Electronic component testing apparatus and method for configuring electronic component testing apparatus
CN102707257A (en) * 2012-06-19 2012-10-03 华北电网有限公司计量中心 Multi-stress limit determination method for intelligent ammeter
CN104634447A (en) * 2014-12-31 2015-05-20 西南技术物理研究所 Photoelectric detector service life assessment test system
CN108593235A (en) * 2018-04-27 2018-09-28 成都麦隆电气有限公司 A kind of test method and test system
CN208459884U (en) * 2018-05-28 2019-02-01 国网上海市电力公司 A kind of accelerated degradation test system of electric energy meter
CN210136302U (en) * 2019-06-20 2020-03-10 南方电网科学研究院有限责任公司 Multi-stress test device for electric energy metering equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070035612A (en) * 2004-07-23 2007-03-30 가부시키가이샤 아드반테스트 Electronic component testing apparatus and method for configuring electronic component testing apparatus
CN102707257A (en) * 2012-06-19 2012-10-03 华北电网有限公司计量中心 Multi-stress limit determination method for intelligent ammeter
CN104634447A (en) * 2014-12-31 2015-05-20 西南技术物理研究所 Photoelectric detector service life assessment test system
CN108593235A (en) * 2018-04-27 2018-09-28 成都麦隆电气有限公司 A kind of test method and test system
CN208459884U (en) * 2018-05-28 2019-02-01 国网上海市电力公司 A kind of accelerated degradation test system of electric energy meter
CN210136302U (en) * 2019-06-20 2020-03-10 南方电网科学研究院有限责任公司 Multi-stress test device for electric energy metering equipment

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