CN107656173A - A kind of measurement loop line verification method - Google Patents
A kind of measurement loop line verification method Download PDFInfo
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- CN107656173A CN107656173A CN201710864741.8A CN201710864741A CN107656173A CN 107656173 A CN107656173 A CN 107656173A CN 201710864741 A CN201710864741 A CN 201710864741A CN 107656173 A CN107656173 A CN 107656173A
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- Prior art keywords
- measurement loop
- instrument
- cable
- verified
- signal
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
The present invention relates to a kind of measurement loop line verification method, its step is：(1) the primary side cable in measurement loop, connecting transformer, using the secondary side cable for connecting transformer as receiving terminal, by line verification instrument respectively with issuing side, reception terminated line, is gathered as issuing side as information about power；(2) 27K high-frequency signals are inputted to issuing side, receiving terminal receives signal, and the collection computing of instrument is verified through measurement loop, and result is verified in generation；(3) one display terminal is installed in receiving terminal, the display terminal verifies instrument by ZAP and measurement loop and realizes communication, and by carrier wave communication technology, measurement loop verifies instrument and uploads to intelligent display terminal by result is verified, and generates corresponding checks of the records.The present invention can solve the problems, such as that measuring cable check method falls behind.It is to survey mainly by universal meter to measuring the verification work of cable, manually wasted time and energy to crying out the metering cable to complete to verify at present.Metering cable is verified and can accurately found out within a few minutes.
Description
Technical field
The invention belongs to power network metering field, especially a kind of measurement loop line verification method.
Background technology
In power marketing routine work, it is an important process that metering cable, which is verified, between transformer and electric energy meter
Wiring correctness directly affects the metering of electricity, and the accuracy for measuring cable directly influences the economic benefit of power supply enterprise,
The verification work checked and accepted now in metering in verification work to metering cable is surveyed mainly by universal meter, manually completed to crying out, non-
It is often cumbersome to waste time and energy, it is therefore necessary to which that the research for carrying out measurement loop wiring verification instrument is cumbersome to solve to measure cable verification
Work, work quality is improved, lift operating efficiency.
The content of the invention
It is an object of the invention in place of overcome the deficiencies in the prior art, there is provided one kind using signal injection, carrier communication,
The measurement loop line verification method of the technology such as intelligent display and voice message.
The present invention solves its technical problem and takes following technical scheme to realize：
A kind of measurement loop line verification method, its step are：
(1) the primary side cable in measurement loop, connecting transformer will be connected into the secondary side of transformer as issuing side
Cable, by line verification instrument respectively with issuing side, reception terminated line, gathers as receiving terminal as information about power；
(2) 27K high-frequency signals being inputted to issuing side, receiving terminal receives signal, and the collection computing of instrument is verified through measurement loop,
Result is verified in generation；
(3) one display terminal is installed in receiving terminal, the display terminal is verified instrument and realized by ZAP and measurement loop to be led to
News, by carrier wave communication technology, measurement loop verifies instrument and uploads to intelligent display terminal by result is verified, and generates corresponding core
Look into record.
Moreover, integrated installation has voice broadcast portion on the display terminal.
Moreover, the measurement loop is verified in instrument, input analog signal is amplified into collection system by preamplifier
System, first pass through signal conditioning circuit and carry out the amplification of signal, filter, signal bandwidth is limited in the range of needs, and make letter
Number amplitude and ADC range match, after being handled more than, signal is admitted to sampling holder and sampled.
Moreover, it is integrated Darlington transistor IC that the drive circuit, which uses ULN2003, ULN, inside is also integrated with the line that disappears
Enclose the diode of counter electromotive force.
The advantages and positive effects of the present invention are：
1st, the present invention can solve the problems, such as that measuring cable check method falls behind.It is the verification work to measuring cable at present
Survey mainly by universal meter, manually wasted time and energy to crying out the metering cable to complete to verify.Measuring cable verification can be in a few minutes
Inside accurately find out, and generate corresponding checks of the records.
2nd, the present invention can greatly improve operating efficiency, and value is created for company.Use manpower and material resources sparingly, save the working time,
Verify accurate.It is quick to solve customer problem, improve good service quality.By with signal injection, carrier communication, intelligence
Display and the advanced technology such as voice message solve the particular problem in this professional posts, can improve transformation and innovation ability, realize
Innovation driving is led.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of the present invention；
Fig. 2 is the Acquisition Circuit figure of the measurement loop verification instrument in the present invention；
Fig. 3 is the drive circuit figure of the measurement loop verification instrument in the present invention.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
A kind of measurement loop line verification method, its step are：
(1) the primary side cable in measurement loop, connecting transformer will be connected into the secondary side of transformer as issuing side
Cable, by line verification instrument respectively with issuing side, reception terminated line, gathers as receiving terminal as information about power；
(2) 27K high-frequency signals being inputted to issuing side, receiving terminal receives signal, and the collection computing of instrument is verified through measurement loop,
Result is verified in generation；
(3) one display terminal is installed in receiving terminal, the display terminal is verified instrument and realized by ZAP and measurement loop to be led to
News, by carrier wave communication technology, measurement loop verifies instrument and uploads to intelligent display terminal by result is verified, and generates corresponding core
Look into record.
Integrated installation has voice broadcast part on display terminal, the terminal can be industrial computer or with display card,
Sound card and corresponding output module and the single-chip microcomputer of drive module control terminal, the electrical equipment involved by the function such as display and voice
For prior art, will not be described here.
Fig. 2 is the improvement that measurement loop verifies Acquisition Circuit in instrument, and measurement loop is verified in instrument, and input analog signal is passed through
Preamplifier is amplified into acquisition system, first passes through signal conditioning circuit and carries out the amplification of signal, filter, make signal bandwidth
It is limited in the range of needs, and the amplitude of signal and ADC range is matched.After being handled more than, signal is admitted to
Sampling holder is sampled.
Fig. 3 is the drive circuit that measurement loop verifies instrument, and it is integrated Darlington transistor IC that circuit, which uses ULN2003, ULN, interior
Portion is also integrated with the diode of a canceling coil counter electromotive force, can be used to drive the devices such as relay, NPN transistor matrix drives
Dynamic, output current can reach 500ma, and verifying instrument for measurement loop more conventional at present has preferable applicability.
Although disclosing embodiments of the invention for the purpose of illustration, it will be appreciated by those skilled in the art that：Not
Depart from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible, therefore, this
The scope of invention is not limited to embodiment disclosure of that.
Claims (4)
- A kind of 1. measurement loop line verification method, it is characterised in that：Its step is：(1) the primary side cable in measurement loop, connecting transformer will be connected into the secondary side cable of transformer as issuing side As receiving terminal, by line verification instrument respectively with issuing side, reception terminated line, gathered as information about power；(2) 27K high-frequency signals are inputted to issuing side, receiving terminal receives signal, and the collection computing of instrument, generation are verified through measurement loop Verify result；(3) one display terminal is installed in receiving terminal, the display terminal verifies instrument by ZAP and measurement loop and realizes communication, By carrier wave communication technology, measurement loop verifies instrument and verification result is uploaded into intelligent display terminal, and generates corresponding verify Record.
- 2. measurement loop line verification method according to claim 1, it is characterised in that：Peace is integrated on the display terminal Equipped with voice broadcast portion.
- 3. measurement loop line verification method according to claim 1, it is characterised in that：The measurement loop verifies instrument In, input analog signal is amplified into acquisition system by preamplifier, first passes through signal conditioning circuit and carries out signal Amplify, filter, signal bandwidth is limited in the range of needs, and the amplitude of signal and ADC range is matched, by with After upper processing, signal is admitted to sampling holder and sampled.
- 4. measurement loop line verification method according to claim 1, it is characterised in that：The drive circuit uses ULN2003, ULN are integrated Darlington transistor IC, and inside is also integrated with the diode of a canceling coil counter electromotive force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864741.8A CN107656173A (en) | 2017-09-22 | 2017-09-22 | A kind of measurement loop line verification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710864741.8A CN107656173A (en) | 2017-09-22 | 2017-09-22 | A kind of measurement loop line verification method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107656173A true CN107656173A (en) | 2018-02-02 |
Family
ID=61130858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710864741.8A Pending CN107656173A (en) | 2017-09-22 | 2017-09-22 | A kind of measurement loop line verification method |
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| Country | Link |
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| CN (1) | CN107656173A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782212A (en) * | 2018-12-29 | 2019-05-21 | 国网山东省电力公司聊城供电公司 | Bilateral separate type metering secondary wiring check device and its core line method |
Citations (7)
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| CN101504448A (en) * | 2009-03-13 | 2009-08-12 | 江苏省电力公司常州供电公司 | Integral polarity test method for current mutual inductor |
| CN103901386A (en) * | 2012-12-26 | 2014-07-02 | 苏州工业园区新宏博通讯科技有限公司 | Electricity meter calibration method |
| CN103954883A (en) * | 2014-05-21 | 2014-07-30 | 中国化学工程第十一建设有限公司 | Voltage transformer secondary connection inspecting method and device |
| CN103969540A (en) * | 2013-01-30 | 2014-08-06 | 江苏省电力公司常州供电公司 | Method for testing wiring of secondary circuits of four-star voltage transformers |
| CN104166072A (en) * | 2014-08-22 | 2014-11-26 | 江苏省电力公司常州供电公司 | Intelligent polarity detection device and method for four-star type voltage transformer |
| CN106970345A (en) * | 2017-04-07 | 2017-07-21 | 国网浙江乐清市供电公司 | Portable type current transformer secondary connection polarity test device |
| CN107102289A (en) * | 2017-06-19 | 2017-08-29 | 云南电网有限责任公司曲靖供电局 | A kind of measurement loop wiring error determination methods and device |
-
2017
- 2017-09-22 CN CN201710864741.8A patent/CN107656173A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504448A (en) * | 2009-03-13 | 2009-08-12 | 江苏省电力公司常州供电公司 | Integral polarity test method for current mutual inductor |
| CN103901386A (en) * | 2012-12-26 | 2014-07-02 | 苏州工业园区新宏博通讯科技有限公司 | Electricity meter calibration method |
| CN103969540A (en) * | 2013-01-30 | 2014-08-06 | 江苏省电力公司常州供电公司 | Method for testing wiring of secondary circuits of four-star voltage transformers |
| CN103954883A (en) * | 2014-05-21 | 2014-07-30 | 中国化学工程第十一建设有限公司 | Voltage transformer secondary connection inspecting method and device |
| CN104166072A (en) * | 2014-08-22 | 2014-11-26 | 江苏省电力公司常州供电公司 | Intelligent polarity detection device and method for four-star type voltage transformer |
| CN106970345A (en) * | 2017-04-07 | 2017-07-21 | 国网浙江乐清市供电公司 | Portable type current transformer secondary connection polarity test device |
| CN107102289A (en) * | 2017-06-19 | 2017-08-29 | 云南电网有限责任公司曲靖供电局 | A kind of measurement loop wiring error determination methods and device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782212A (en) * | 2018-12-29 | 2019-05-21 | 国网山东省电力公司聊城供电公司 | Bilateral separate type metering secondary wiring check device and its core line method |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |