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 PDFInfo
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- 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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- test
- stress
- block device
- electric energy
- measuring equipment
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Classifications
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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
- G01R31/003—Environmental or reliability tests
-
- 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
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
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.
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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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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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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 |
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