CN104237838B - A kind of meter operating voltage falls automatically testing platform and Voltage Drop mode - Google Patents
A kind of meter operating voltage falls automatically testing platform and Voltage Drop mode Download PDFInfo
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- CN104237838B CN104237838B CN201410318068.4A CN201410318068A CN104237838B CN 104237838 B CN104237838 B CN 104237838B CN 201410318068 A CN201410318068 A CN 201410318068A CN 104237838 B CN104237838 B CN 104237838B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
Fall automatically testing platform and Voltage Drop mode the present invention relates to a kind of meter operating voltage.A kind of meter operating voltage proposed by the present invention, which falls automatically testing platform, includes Voltage Drop experimental provision, PC, communication interface, communication network, single-phase meter, three-phase meter, collector and concentrator.A kind of meter operating voltage proposed by the present invention, which falls mode, to be had：Linearly fall pattern；Ladder falls pattern；Moment falls pattern；Voltage interruption pattern.The present invention, which devises four kinds of representative modes of falling, makes state of the electric energy meter meter in power down up and down, reduces artificial erroneous judgement and reperformance test work, never tired, makes full use of the quitting time, improves inspection table efficiency.
Description
Technical field
Fall automatically testing platform and Voltage Drop mode the present invention relates to a kind of meter operating voltage.
Background technology
The quality of power supply is not only related to the safety and economic operation of power network, also affects the normal of big and small electric load
Work.With the development of modern industrial technology, electric network composition also becomes increasingly complicated；Meanwhile, many power sensitive equipment quilts
Applied to production, requirement of these equipment to power quality is high, and new power quality problem is following.Relevant data table
Bright, Voltage Drop problem is incidence highest, the power quality problem for the most serious that causes damage in these power quality problems.Cause
And, people are more than other power quality problems highland to the degree of concern of Voltage Drop problem.
Especially in recent years, the power sensitive equipment controlled based on computer has been widely used for industrial production and daily life
In work, Voltage Drop can influence their normal work, and economic loss is brought to user.
If the live low voltage electric network voltage instability of energy analog subscriber, various influences of the mutation impact on ammeter normal work,
A Voltage Drop automatically testing platform is designed, with regard to more efficiently pinpointing the problems, solving the problems, such as.
The content of the invention
For deficiency of the prior art, automatically testing platform and electricity are fallen the invention provides a kind of meter operating voltage
Pressure falls mode.The utility model, which devises four kinds of representative modes of falling, makes electric energy meter meter be in power down up and down
State, Auto-Test System reduces artificial erroneous judgement and reperformance test work, never tired, makes full use of the quitting time, improves
Examine table efficiency.
The present invention is achieved through the following technical solutions：A kind of meter operating voltage falls automatically testing platform, including voltage
Drop test device, PC, communication interface, communication network, single-phase meter, three-phase meter, collector and concentrator, the Voltage Drop
Experimental provision includes alternating voltage waveform generator, voltage switching module, current switching module and control circuit module, the control
Circuit module processed can control alternating voltage waveform generator, voltage switching module and current switching module, the alternating voltage ripple
Shape generator can provide the alternating voltage waveform of more than four kinds random programming Controls, the voltage switching mould for voltage switching module
Block can provide the fluctuation and impact of the live low voltage electric network of operating voltage simulation, institute for single-phase meter, three-phase meter, collector and concentrator
Word current can be provided away for single-phase meter, three-phase meter, the acquisition terminal for possessing function of measuring by stating current switching module, automatic test
Software is run on the PC, and the PC passes through communication interface control voltage fall-down test device, PC and communication network
Interconnection, PC sets the operational factor of single-phase meter, three-phase meter, collector and concentrator by communication network and copy reading is single-phase
Table, three-phase meter, the Various types of data of collector and concentrator.Intelligent meter operating voltage, which is fallen to can be set in automatic testing process, leads to
Interrogate time started and commitment defini interval time.Platform is realized to testing equipment and the seamless chain of tested meter with automatic testing software
Connect, and carry out with machine monitoring.Voltage waveform generator uses advanced reliable Technics of Power Electronic Conversion VSG schemes, powerful
Alternating voltage waveform is arbitrarily adjustable.Each single-phase epitope configures 485 interfaces of 1 tunnel independence；It is independent that each three-phase epitope configures 1 road
485 interfaces and 1 road RS232 interfaces；Stage body use screen display+button input pattern, institute it is functional can be operated with independent setting,
Also can be connected on-line operation with PC, realize automatic test；Each epitope configures independent counter；The mode of connection is using electricity
Pressure is in parallel, current-series, realizes that three lines and four line modes switch by change-over switch.Test system by can arbitrarily set from
Dynamic testing scheme, can sound and light alarm, record and retention fault scene, side once pinpointing the problems by test software monitoring test flow
Just developer carries out principle analysis.The meter operating voltage, which falls automatically testing platform and at least possesses 4 kinds, falls pattern：Line
Property falls pattern；Ladder falls pattern；Moment falls pattern；Voltage interruption pattern.
The device have the advantages that being：The present invention, which devises four kinds of representative modes of falling, makes electric energy meter
State of the meter in power down up and down, reduces artificial erroneous judgement and reperformance test work, never tired, makes full use of the quitting time,
Improve inspection table efficiency.Protocol command can independent assortment, test equipment flexibly control at random, give full play to tester's imagination,
Can front and rear interspersed progress complete trails spreadability white-box testing, and the orderly work of cooperation of each detection device of management and control test system automatically
Make, whether test acquisition terminal is efficient, harmonious, complete systemic-function to organic unity.When voltage circuit goes wrong,
PC programs can send out control command and be disconnected the voltage of the epitope by relay.When current loop goes wrong, i.e. certain epitope
The situation that inner current loops disconnect, it is short that the epitope and execution that device meeting automatic detection disconnects will change epitope current loop automatically
Road.This ensure that having good luck for other epitopes will not be influenceed because ammeter trips.
Brief description of the drawings
Fig. 1 falls automatically testing platform for the meter operating voltage of the present invention.
Fig. 2 for the present invention in linearly fall pattern diagram.
Fig. 3 falls pattern diagram for ladder in the present invention.
Fig. 4 falls pattern diagram for moment in the present invention.
Fig. 5 is the voltage interruption pattern diagram when break period is set in the present invention is 1s.
Fig. 6 is the voltage interruption pattern diagram that a cycle that the break period is rated frequency is set in the present invention.
Embodiment
Illustrate the concrete operating principle of the present invention below in conjunction with the accompanying drawings：Referring to the drawings 1, a kind of meter operating voltage is fallen certainly
Dynamic test platform, including Voltage Drop experimental provision, PC, communication interface, communication network, single-phase meter, three-phase meter, collector and
Concentrator, the Voltage Drop experimental provision include alternating voltage waveform generator, voltage switching module, current switching module and
Control circuit module, the control circuit module can control alternating voltage waveform generator, voltage switching module and current switching
Module, the alternating voltage waveform generator can provide the alternating voltage of more than four kinds random programming Controls for voltage switching module
Waveform, the voltage switching module can provide operating voltage simulation live low pressure for single-phase meter, three-phase meter, collector and concentrator
The fluctuation and impact of power network, the current switching module can carry for single-phase meter, three-phase meter, the acquisition terminal for possessing function of measuring
For walking word current, automatic testing software is run on the PC, and the PC passes through communication interface control voltage fall-down test
Device, PC and interconnection of telecommunication network, PC set the fortune of single-phase meter, three-phase meter, collector and concentrator by communication network
Row parameter and copy reading single-phase meter, three-phase meter, the Various types of data of collector and concentrator.Intelligent meter operating voltage is fallen automatically
Communication time started and commitment defini interval time can be set in test process.Platform realized with automatic testing software to testing equipment and
The seamless link of tested meter, and carry out with machine monitoring.Voltage waveform generator uses advanced reliable Technics of Power Electronic Conversion
VSG schemes, powerful alternating voltage waveform is arbitrarily adjustable；Each single-phase epitope configures 485 interfaces of 1 tunnel independence；Each three
Phase epitope configures 485 interfaces and 1 road RS232 interfaces of 1 tunnel independence；Stage body uses the input pattern of screen display+button, and institute is functional
It can be operated with independent setting, can also be connected on-line operation with PC, realize automatic test；Each epitope configures independent counting
Device；The mode of connection uses voltage parallel, current-series, realizes that three lines and four line modes switch by change-over switch.Test system
, can sound and light alarm, note once pinpointing the problems by the automatic testing scheme that can arbitrarily set by test software monitoring test flow
Record and retention fault scene, facilitate developer to carry out principle analysis.
Referring to the drawings 2, linearly fall in pattern and linearly fall upper voltage limit value V1, linearly fall lower voltage limit value V2, line
Property fall upper voltage limit retention time t1, it is linear fall lower voltage limit retention time t2, linear drop-off voltage fall time t3 and
T4 can be set respectively, and number of repetition n can be set.
Referring to the drawings 3, ladder fall in pattern voltage upper lower limit value V3, V4 and decline step number K can be set Δ V=| V3-
V4 | Δ t=t7/K can be set in/K, V3, V4 voltage hold-time t5, t6 and Voltage Drop time t7, and number of repetition n can be set.
Referring to the drawings 4, moment falls magnitude of voltage V5, V6 in pattern, and time interval value t8, t9 can be set, and can be set and repeat
Frequency n；After the completion of falling every time according to continuous drop number, there should be a voltage output parameter setting, be carried out in this voltage
It can also be communicated during voltage stabilization in communication, falling process.
Referring to the drawings 5, interrupt mode is divided into two kinds, and one of which is voltage interruption pattern when to set the break period be 1s
The middle break period is set to 1s, and interruption times are set to 3 times, and time between interruptions is set to 50m s.
Referring to the drawings 6, interrupt mode is divided into two kinds, wherein another is the week for setting the break period to be rated frequency
The break period is set to a cycle of rated frequency in voltage interruption pattern during the phase, and interruption times are set to 1 time.
Claims (4)
1. a kind of meter operating voltage falls automatically testing platform, it is characterised in that：Including alternating voltage drop test device, PC
Machine, communication interface, communication network, single-phase meter, three-phase meter, collector and concentrator, the Voltage Drop experimental provision include handing over
Voltage waveform generator, voltage switching module, current switching module and control circuit module are flowed, the control circuit module is controllable
Alternating voltage waveform generator processed, voltage switching module and current switching module, the alternating voltage waveform generator can be electricity
Press handover module provide more than four kinds random programming Controls alternating voltage waveform, the voltage switching module can be single-phase meter,
Three-phase meter, collector and concentrator provide the fluctuation and impact of the live low voltage electric network of operating voltage simulation, the current switching mould
Block can provide away word current for single-phase meter, three-phase meter, the acquisition terminal for possessing function of measuring, and automatic testing software is in the PC
Run on machine, the PC is passed through by communication interface control voltage drop test device, PC and interconnection of telecommunication network, PC
Communication network sets operational factor and copy reading single-phase meter, three-phase meter, the collection of single-phase meter, three-phase meter, collector and concentrator
The Various types of data of device and concentrator；The meter operating voltage, which falls automatically testing platform and at least possesses 4 kinds, falls pattern：Linearly
Fall pattern, ladder and fall pattern, moment and fall pattern, voltage interruption pattern；Linearly fall and rationed the power supply on linearly falling in pattern
Pressure value V1, it is linear fall lower voltage limit value V2, it is linear fall upper voltage limit retention time t1, it is linear when falling lower voltage limit and keeping
Between t2, linear drop-off voltage fall time t3 and t4 can set respectively, number of repetition n can be set；Ladder falls voltage in pattern
Upper lower limit value V3, V4 and decline step number K can be set Δ V=| V3-V4 |/K, V3, V4 voltage hold-time t5, t6 and voltage fall
Fall time t7 and Δ t=t7/K can be set, number of repetition n can be set；Moment falls magnitude of voltage V5, V6 in pattern, time interval value
T8, t9 can be set, and number of repetition n can be set；After the completion of falling every time according to continuous drop number, there should be a voltage output ginseng
Number is set, and is communicated, can also be communicated during voltage stabilization in falling process in this voltage；Interrupt mode is divided into two kinds, wherein
A kind of is the voltage interruption pattern for setting the break period when being 1s:Break period is set to 1s, and interruption times are set to 3 times, in
Disconnected interval time is set to 50ms, and another is voltage interruption mould when to set the break period be a cycle of rated frequency
Formula：Break period is set to a cycle of rated frequency, and interruption times are set to 1 time.
2. a kind of meter operating voltage according to claim 1 falls automatically testing platform, it is characterised in that：Intelligent meter
Operating voltage, which is fallen, can be set communication time started and commitment defini interval time in automatic testing process.
3. a kind of meter operating voltage according to claim 1 falls automatically testing platform, it is characterised in that：Platform is used certainly
Dynamic test software realizes the seamless link to testing equipment and tested meter, and carries out with machine monitoring, voltage waveform generator
Using Technics of Power Electronic Conversion VSG schemes, alternating voltage waveform is adjustable, and test system is by the automatic testing scheme that can set by surveying
Try software supervision experiment process, once pinpoint the problems can sound and light alarm, record and retention fault scene, facilitate developer to carry out
Principle analysis.
4. a kind of meter operating voltage according to claim 1 falls automatically testing platform, it is characterised in that：It is each single-phase
Epitope configures 485 interfaces of 1 tunnel independence；Each three-phase epitope configures 485 interfaces and 1 road RS232 interfaces of 1 tunnel independence；Stage body
Using screen display and the input pattern of button, institute is functional to be operated with independent setting, and can also be connected on-line operation with PC, real
Now automatic test；Each epitope configures independent counter；The mode of connection uses voltage parallel, current-series, is opened by conversion
Realize that three lines and four line modes switch in pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410318068.4A CN104237838B (en) | 2014-10-27 | 2014-10-27 | A kind of meter operating voltage falls automatically testing platform and Voltage Drop mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410318068.4A CN104237838B (en) | 2014-10-27 | 2014-10-27 | A kind of meter operating voltage falls automatically testing platform and Voltage Drop mode |
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| Publication Number | Publication Date |
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| CN104237838A CN104237838A (en) | 2014-12-24 |
| CN104237838B true CN104237838B (en) | 2017-10-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105988048A (en) * | 2015-02-27 | 2016-10-05 | 中兴通讯股份有限公司 | Power grid abnormal waveform adaptive test method, device and system |
| CN105425202A (en) * | 2015-12-22 | 2016-03-23 | 国网天津宝坻供电有限公司 | Intelligent electric energy meter voltage jitter simulation test device and test method |
| CN113776766A (en) * | 2021-01-12 | 2021-12-10 | 青岛鼎信通讯股份有限公司 | Voltage drop test device and method for IR46 electric meter calibrating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102798831A (en) * | 2011-05-26 | 2012-11-28 | 鸿富锦精密工业（深圳）有限公司 | Circuit load device |
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- 2014-10-27 CN CN201410318068.4A patent/CN104237838B/en active Active
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| CN102768338A (en) * | 2011-05-06 | 2012-11-07 | 三一电气有限责任公司 | Simulation device and method for power grid voltage dips |
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Owner name: NINGBO SANXING INTELLIGENT ELECTRIC CO., LTD. Free format text: FORMER OWNER: NINGBO SANXING ELECTRIC CO., LTD. Effective date: 20150618 |
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Effective date of registration: 20150618 Address after: 315034 Ningbo, Jiangbei District, Zhejiang City, the town of Maple Bay Road, No. 16 Applicant after: Ningbo Sanxing Smart Electric Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Applicant before: NINGBO SANXING ELECTRIC Co.,Ltd. |
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Denomination of invention: An automatic test platform for meter working voltage drop and its voltage drop mode Effective date of registration: 20220214 Granted publication date: 20171010 Pledgee: Agricultural Bank of China Limited Ningbo Yinzhou Branch Pledgor: Ningbo Sanxing Smart Electric Co.,Ltd. Registration number: Y2022330000213 |
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Date of cancellation: 20221201 Granted publication date: 20171010 Pledgee: Agricultural Bank of China Limited Ningbo Yinzhou Branch Pledgor: Ningbo Sanxing Smart Electric Co.,Ltd. Registration number: Y2022330000213 |