CN112130023A - Method for detecting series-connected-house and transformer area based on variable high-frequency pulse current - Google Patents
Method for detecting series-connected-house and transformer area based on variable high-frequency pulse current Download PDFInfo
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- CN112130023A CN112130023A CN201910555472.6A CN201910555472A CN112130023A CN 112130023 A CN112130023 A CN 112130023A CN 201910555472 A CN201910555472 A CN 201910555472A CN 112130023 A CN112130023 A CN 112130023A
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- detection
- station area
- frequency pulse
- equipment
- pulse current
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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
- G01R31/08—Locating faults in cables, transmission lines, or networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a method for detecting a station area and a station area based on variable high-frequency pulse current, wherein the station area detection and the station area detection are both composed of a master device and a slave device, the master device and the slave device have a communication frequency, a carrier mode, a modulation mode and a communication protocol defined, when the station area is identified, the master device is installed on a general meter under a station transformer to be detected, the slave device is installed on an electric energy meter of the station area to be determined, when the station area is detected, the master device is installed on the electric energy meter to be detected, the slave device is installed in a home of a user to be detected, handshaking is carried out through a voltage signal, and detection is carried out through a current signal. The invention realizes synchronization by handshaking the master equipment and the slave equipment through the voltage carrier and the current channel, the slave equipment generates high-frequency pulse through the current channel, the master equipment detects higher harmonics with fixed frequency through the current channel, and the detection precision and efficiency are greatly improved by judging the conditions of transformer area, branch and cross-house through the existence of the harmonics.
Description
Technical Field
The invention belongs to the technical field of circuit detection, and particularly relates to a method for detecting a serial household area and a transformer area based on variable high-frequency pulse current.
Background
With the advance of national power grid and southern power grid intelligent power grid construction, the number of electric energy meters in the existing electric energy meter is hundreds of millions, and the number of electric energy meters in the existing electric energy meter in the single national power grid reaches 4.5 billion. The problems that users of the on-site electric energy meter are inconsistent and the user meters are not corresponding due to early construction planning and the like are solved. The method is not beneficial to the management of a power grid system, and the problems of site cross-family and station area disorder are urgently solved.
The current missort of the electric meters is judged according to the on and off of an illuminating lamp through switching-off. Some places adopt a power-off detection instrument for detection, but equipment on the ammeter side and the user side needs to be provided with communication modules to realize data interaction on the two sides. The detection method needs to be powered off to detect, the daily life of a user is seriously influenced, the technology is backward, the equipment cost is high, the efficiency is low, and the method is difficult to be applied in a large range, so that a reliable detection method for the cross-house and the transformer area is the key point for solving the field problems.
Disclosure of Invention
The present invention aims to provide a method for detecting a cross-house and a transformer area based on a variable high-frequency pulse current, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a method for detecting a station area and a serial household based on variable high-frequency pulse current comprises the following steps that both station area detection and serial household detection are composed of a main device and a slave device, the main device and the slave device perform handshaking through voltage signals by defining communication frequency, a carrier mode, a modulation mode and a communication protocol, and detection is performed through current signals, wherein the method specifically comprises the following operation steps:
s1: when station areas are identified, main equipment is installed on a general meter below a station transformer to be detected, slave equipment is installed on an electric energy meter of the station area to be determined, when a detection starting instruction is received, the detection starting instruction is broadcasted to slave equipment installed under the whole station area through voltage carrier waves, current channel detection is started, the slave equipment simulates users in the station area, is hung on the electric energy meter of the station area, continuously detects whether the detection starting instruction sent by the main equipment exists or not, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and a main equipment detection module detects the high-frequency pulse current of a corresponding line according to appointed frequency to judge whether a serial number is below the station area or not and a specific branch line;
s2: when the serial household detection is carried out, the main equipment is installed on an electric energy meter to be detected, the slave equipment is installed in a user home to be detected, when a detection starting instruction is received, the detection starting instruction is broadcasted to all installed slave equipment through voltage carrier waves, current channel detection is started, the slave equipment simulates users in a station area and is hung on the user meter, whether the detection starting instruction sent by the main equipment exists or not is continuously detected, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and the main equipment detection module detects the high-frequency pulse current of a corresponding line according to the appointed frequency to judge whether the serial household is under the station area or not and a specific branch line.
Preferably, when detecting, the master device and the slave device are connected in parallel.
Preferably, the duration of the high-frequency pulse current is 5-10 s.
The invention has the technical effects and advantages that:
the master device and the slave device perform handshake of the master device and the slave device through the voltage carrier and the current channel to realize synchronization, the slave device generates high-frequency pulse through the current channel, the master device detects high-order harmonics with fixed frequency through the current channel, and judges the station area, the branch and the cross-house situation through the existence of the harmonics.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for detecting a station area and a serial household based on variable high-frequency pulse current comprises the following steps that both station area detection and serial household detection are composed of a main device and a slave device, the main device and the slave device perform handshaking through voltage signals by defining communication frequency, a carrier mode, a modulation mode and a communication protocol, and detection is performed through current signals, wherein the method specifically comprises the following operation steps:
s1: when station areas are identified, main equipment is installed on a general meter below a station transformer to be detected, slave equipment is installed on an electric energy meter of the station area to be determined, when a detection starting instruction is received, the detection starting instruction is broadcasted to slave equipment installed under the whole station area through voltage carrier waves, current channel detection is started, the slave equipment simulates users in the station area, is hung on the electric energy meter of the station area, continuously detects whether the detection starting instruction sent by the main equipment exists or not, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and a main equipment detection module detects the high-frequency pulse current of a corresponding line according to appointed frequency to judge whether a serial number is below the station area or not and a specific branch line;
s2: when the serial household detection is carried out, the main equipment is installed on an electric energy meter to be detected, the slave equipment is installed in a user home to be detected, when a detection starting instruction is received, the detection starting instruction is broadcasted to all installed slave equipment through voltage carrier waves, current channel detection is started, the slave equipment simulates users in a station area and is hung on the user meter, whether the detection starting instruction sent by the main equipment exists or not is continuously detected, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and the main equipment detection module detects the high-frequency pulse current of a corresponding line according to the appointed frequency to judge whether the serial household is under the station area or not and a specific branch line.
When detection is carried out, a parallel connection mode is adopted between the master equipment and the slave equipment.
The duration of the high-frequency pulse current is 5-10 s.
The master device and the slave device perform handshake of the master device and the slave device through the voltage carrier and the current channel to realize synchronization, the slave device generates high-frequency pulse through the current channel, the master device detects high-order harmonics with fixed frequency through the current channel, and judges the station area, the branch and the cross-house situation through the existence of the harmonics.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (3)
1. The utility model provides a cluster family, platform district detection method based on variable high frequency pulse current, platform district detects and all constitutes with cluster family main equipment and slave unit, and main equipment and slave unit are with agreeing about communication frequency, carrier mode, modulation mode, communication protocol, handshake through voltage signal, detect through current signal, its characterized in that: the method specifically comprises the following operation steps:
s1: when station areas are identified, main equipment is installed on a general meter below a station transformer to be detected, slave equipment is installed on an electric energy meter of the station area to be determined, when a detection starting instruction is received, the detection starting instruction is broadcasted to slave equipment installed under the whole station area through voltage carrier waves, current channel detection is started, the slave equipment simulates users in the station area, is hung on the electric energy meter of the station area, continuously detects whether the detection starting instruction sent by the main equipment exists or not, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and a main equipment detection module detects the high-frequency pulse current of a corresponding line according to appointed frequency to judge whether a serial number is below the station area or not and a specific branch line;
s2: when the serial household detection is carried out, the main equipment is installed on an electric energy meter to be detected, the slave equipment is installed in a user home to be detected, when a detection starting instruction is received, the detection starting instruction is broadcasted to all installed slave equipment through voltage carrier waves, current channel detection is started, the slave equipment simulates users in a station area and is hung on the user meter, whether the detection starting instruction sent by the main equipment exists or not is continuously detected, if the detection starting instruction is received, high-frequency pulse current is started to be generated, and the main equipment detection module detects the high-frequency pulse current of a corresponding line according to the appointed frequency to judge whether the serial household is under the station area or not and a specific branch line.
2. The method for detecting the cross-house and the transformer area based on the variable high-frequency pulse current as claimed in claim 1, wherein: when detection is carried out, a parallel connection mode is adopted between the master equipment and the slave equipment.
3. The method for detecting the cross-house and the transformer area based on the variable high-frequency pulse current as claimed in claim 1, wherein: the duration of the high-frequency pulse current is 5-10 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555472.6A CN112130023A (en) | 2019-06-25 | 2019-06-25 | Method for detecting series-connected-house and transformer area based on variable high-frequency pulse current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555472.6A CN112130023A (en) | 2019-06-25 | 2019-06-25 | Method for detecting series-connected-house and transformer area based on variable high-frequency pulse current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112130023A true CN112130023A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910555472.6A Pending CN112130023A (en) | 2019-06-25 | 2019-06-25 | Method for detecting series-connected-house and transformer area based on variable high-frequency pulse current |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608024A (en) * | 2021-07-23 | 2021-11-05 | 威胜信息技术股份有限公司 | Low-voltage transformer area line impedance measurement method and system based on electric power special edge computing chip |
| CN115589237A (en) * | 2022-12-13 | 2023-01-10 | 青岛鼎信通讯股份有限公司 | High-frequency current signal branch attribution judging method suitable for electric power field |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799409A (en) * | 2019-03-19 | 2019-05-24 | 深圳供电局有限公司 | A kind of differentiation branch identification device |
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2019
- 2019-06-25 CN CN201910555472.6A patent/CN112130023A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799409A (en) * | 2019-03-19 | 2019-05-24 | 深圳供电局有限公司 | A kind of differentiation branch identification device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113608024A (en) * | 2021-07-23 | 2021-11-05 | 威胜信息技术股份有限公司 | Low-voltage transformer area line impedance measurement method and system based on electric power special edge computing chip |
| CN115589237A (en) * | 2022-12-13 | 2023-01-10 | 青岛鼎信通讯股份有限公司 | High-frequency current signal branch attribution judging method suitable for electric power field |
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Application publication date: 20201225 |
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| RJ01 | Rejection of invention patent application after publication |