CN112924904B - Aviation plug line sequence recognition tool suitable for feeder terminal - Google Patents
Aviation plug line sequence recognition tool suitable for feeder terminal Download PDFInfo
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- CN112924904B CN112924904B CN202110202005.2A CN202110202005A CN112924904B CN 112924904 B CN112924904 B CN 112924904B CN 202110202005 A CN202110202005 A CN 202110202005A CN 112924904 B CN112924904 B CN 112924904B
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- circuit
- switch
- characteristic
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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
- G01R31/58—Testing of lines, cables or conductors
- G01R31/60—Identification of wires in a multicore cable
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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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses an aviation plug line sequence recognition tool suitable for a feeder terminal, which comprises a tool box body, an aviation plug interface, a power switch, a charging port, a circuit board, a touch display screen and a lithium battery.
Description
Technical Field
The invention relates to the field of distribution equipment, in particular to an aviation plug line sequence recognition tool suitable for a feeder terminal.
Background
The distribution equipment mainly comprises primary equipment and secondary equipment, wherein the primary equipment comprises a switch, a ring main unit, a GIS, a reactive power compensation device, a transformer (a box-type substation), a power distribution cabinet, a cable, an insulator and the like, and the secondary equipment comprises relay protection equipment, intelligent distribution terminal equipment, an online monitoring system, a communication system and the like.
In 10kV power distribution equipment, a switch is the most important equipment, an operating mechanism of the switch is generally divided into an electric operating mechanism and a manual operating mechanism, and in order to realize power distribution automation, the switch must be configured with the electric operating mechanism and a corresponding primary transformer, so that the circuit can be observed, measured and controlled.
The common electric operating mechanisms of the switch device are electromagnetic, permanent magnet and elastic operation. Wherein the spring operating mechanism has obvious advantages: the on-off current is not large, and the capacity of the power supply is not large; the energy storage device can be used for remotely electrically storing energy, electrically switching on and switching off a brake, and can also be used for manually switching on and switching off the brake on and off locally, so that the switching on and off can be performed manually under the condition that a direct-current power supply is lost; the action is fast, and the automatic reclosing can be fast, and the action accounts for more than 90% in the practical application.
Domestic distribution automation develops for many years, and most of the spring-operated switches have been installed for many years, and control equipment needs to be configured for realizing three remote operations. However, because the former standard is not uniform, the definition of the spring operation switch is inconsistent with the operation voltage, and the definition of the internal transformer is unclear and the quality is unclear. The user encounters great difficulty in configuring and transforming the controller, the actual switch is not predictable in quality, the switch is often found to be damaged after the switch is installed, manpower and material resources are wasted if the switch is damaged, and a major accident is caused by misoperation of the switch during operation if the switch is damaged if the switch is operated if the switch is damaged.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an aviation plug line sequence recognition tool suitable for a feeder terminal, which analyzes and judges contact definition by analyzing the electrical characteristics of a switch contact on a column, can verify the functional integrity of a known defined switch, verifies the health degree and the operating voltage level of the switch, saves manpower and material resources and improves the switch transformation efficiency.
In order to achieve the above object, the present invention provides an aviation plug line sequence identification tool suitable for a feeder terminal, which includes a tool box, an aviation plug interface, a power switch, a charging port, a circuit board, a touch display screen and a lithium battery, wherein:
the tool box body is used as a carrier loading tool of the invention and is a three-prevention portable handle box, and the handle is of an openable and closable closed type;
the aviation plug interface is connected with an aviation plug on the external column and the internal circuit board and provides a standard interface for externally detecting electrical characteristics and outputting operating voltage;
the power switch controls the on-off of the power supply of the tool;
the charging port is connected with the internal lithium battery and is used for charging the lithium battery;
the circuit board is positioned in the tool box body, is connected with the touch display screen and is used for realizing the functions of measurement, power supply contact transformation, electrical characteristic analysis, logic analysis, judgment and identification and image interaction;
the touch display screen is arranged in the tool box body and used for guiding a user to perform touch operation, selecting functions and performing feedback display on an analysis result;
the lithium battery is positioned at the lower side of the circuit board in the tool box body and provides power for the tool.
Further, the circuit board contains relay matrix, MCU surrounding circuit, LCR measuring circuit, touch-sensitive screen circuit, current measuring circuit and voltage converting circuit, wherein:
the relay matrix is connected with the aviation plug interface and is used for switching on different contacts of the aviation plug of the external column switch through the opening and closing switching of the contacts;
an LCR measuring circuit for measuring the electrical characteristics of the aviation plug contact of the pole-mounted switch, the method comprises the steps of measuring resistive characteristics, inductive characteristics and capacitive characteristics;
the voltage conversion circuit is connected with the relay matrix circuit and the lithium battery and provides power output capacity with the conversion voltage level of DC24V, DC48V, DC220V, AC V;
the current measuring circuit measures the size of the output power supply when external power is supplied in real time and verifies the operation voltage of the switch;
the touch screen circuit is connected with the MCU circuit and used for providing an interactive path, selecting corresponding functions, inputting information and feeding back results;
and the MCU peripheral circuit controls the relay matrix to be connected with the appointed contact, analyzes the data acquired by the LCR measuring circuit and the current measuring circuit according to the selected function, controls the touch display screen to interact, and simultaneously maintains the normal operation of the MCU.
Further, the functions include a measurement function, a function integrity verification function, and an operating voltage verification function, wherein:
the measurement function is realized by measuring the resistive characteristic, the inductive characteristic and the capacitive characteristic of each contact under different states of the switch through the relay matrix circuit, the LCR measurement circuit and the MCU circuit, recording corresponding numerical values and analyzing the definition of each contact through the logic judgment of the internal MCU;
the function integrity verification function is realized, the resistive characteristic, the inductive characteristic and the capacitive characteristic of each contact under different states of the switch are measured through a relay matrix circuit, an LCR measuring circuit and an MCU circuit, the measurement is matched and analyzed with a normal characteristic value, and the health condition of the current switch is judged;
and the operation voltage verification function controls power supply to different levels of voltage of the known contact through the relay matrix circuit, the current measuring circuit, the voltage conversion circuit and the MCU circuit, measures current at the same time, and judges the operation voltage of the switch through the current characteristic and the action condition of an external switch.
The invention has the beneficial effects that:
1. by analyzing the electrical characteristics of the column switch contact, the definition of the aviation plug of the column switch with unknown definition is identified, the automatic modification process of the old switch is promoted, and the electricity utilization reliability is improved;
2. the pole-mounted switch defined by the known aviation plug is subjected to functional integrity verification and operation voltage detection, and the whole-process automatic detection greatly improves the transformation efficiency of the field switch and is simple and easy to use.
Drawings
Fig. 1 is a block diagram of an aviation plug wire sequence identification tool suitable for a feeder terminal according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1, the aviation plug line sequence recognition tool suitable for the feeder terminal of the present invention includes a tool box, a touch display screen, an aviation plug interface, a power switch, a charging port, a circuit board, and a lithium battery, wherein:
the tool box body is used as a carrier loading tool of the invention and is a three-prevention portable handle box, and the handle is of an openable and closable closed type;
the aviation plug interface is connected with an aviation plug on the external column and the internal circuit board and provides a standard interface for externally detecting electrical characteristics and outputting operating voltage;
the power switch controls the on-off of the power supply of the tool;
the charging port is connected with the internal lithium battery and is used for charging the lithium battery;
the circuit board is positioned in the tool box body, is connected with the touch display screen and is used for realizing the functions of measurement, power supply contact transformation, electrical characteristic analysis, logic analysis, judgment and identification and image interaction;
the touch display screen is arranged in the tool box body and used for guiding a user to perform touch operation, selecting functions and performing feedback display on an analysis result;
the lithium battery is positioned at the lower side of the circuit board in the tool box body and provides power for the tool.
When the aerial plug box is used, the box body structure is opened, the aerial plug of the column switch which needs to be measured is connected with the aerial plug interface on the panel through the cable, and the power switch starting tool on the panel is used. The touch display screen is used for selecting a measuring function, a function integrity verifying function or an operating voltage verifying function, if the measuring function or the function integrity verifying function is selected, the touch display screen starts to operate according to guide input information, a result is fed back through a screen after the measurement or verification is finished, if the operating voltage verifying function is carried out, corresponding voltage is provided to the outside according to a voltage grade needing to be output by prompting input and a contact serial number corresponding to output, and the operating voltage is judged by judging whether a switch acts or not.
If the measurement function and the function integrity verification function are used on the internal circuit board, the circuit board can be communicated with two contacts according to program logic through a relay matrix, the electrical characteristics of the switch, including resistive characteristics, inductive characteristics and capacitive characteristics, are measured through an LCR measurement circuit on the circuit board, corresponding numerical values are recorded, and after logical analysis and judgment are carried out, the analysis result is displayed by controlling a touch screen circuit. If the operation voltage verification function is used, the relay matrix circuit supplies power to the outside by switching on different contacts of the aviation plug interface and voltage conversion circuits with different internal voltage levels, measures the current power supply current through the current measurement circuit, and comprehensively judges the operation voltage level of the current switch according to the action condition of the column switch.
The above-mentioned embodiments are illustrative of the specific embodiments of the present invention, and are not restrictive, and those skilled in the relevant art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of the present invention, so that all equivalent technical solutions should be included in the scope of the present invention.
Claims (2)
1. The utility model provides an aviation plug line preface discernment instrument suitable for feeder terminal, contains instrument box, aviation plug interface, switch, the mouth that charges, circuit board, but touch-control display screen and lithium cell, wherein:
the tool box body is used as a carrier loading tool and is a three-prevention portable handle box, and the handle is of an openable and closable closed type;
the aviation plug interface is connected with an aviation plug on the external column and the internal circuit board and provides a standard interface for externally detecting electrical characteristics and outputting operating voltage;
the power switch controls the power supply on-off of the tool;
the charging port is connected with the internal lithium battery and is used for charging the lithium battery;
the circuit board is positioned in the tool box body, is connected with the touch display screen and is used for realizing the functions of measurement, power supply contact transformation, electrical characteristic analysis, logic analysis, judgment and identification and image interaction;
the touch display screen is arranged in the tool box body and used for guiding a user to perform touch operation, selecting functions and performing feedback display on an analysis result; the functions include a measurement function, a functional integrity verification function, and an operating voltage verification function, wherein:
the measurement function is realized by measuring the resistive characteristic, the inductive characteristic and the capacitive characteristic of each contact under different states of the switch through a relay matrix circuit, an LCR measurement circuit and an MCU circuit, recording corresponding numerical values, and judging and analyzing the definition of each contact through the logic of an internal MCU;
the function integrity verification function is realized, the resistive characteristic, the inductive characteristic and the capacitive characteristic of each contact under different states of the switch are measured through a relay matrix circuit, an LCR measuring circuit and an MCU circuit, the measurement is matched and analyzed with a normal characteristic value, and the health condition of the current switch is judged;
the operating voltage verifying function controls the power supply to the different levels of voltage of the known contact through the relay matrix circuit, the current measuring circuit, the voltage conversion circuit and the MCU circuit, measures the current at the same time, and judges the operating voltage of the switch through the current characteristic and the action condition of an external switch;
the lithium cell is located the inside circuit board downside of instrument box, provides the power for the instrument.
2. The tool of claim 1, wherein the circuit board comprises a relay matrix, an MCU surround circuit, an LCR measurement circuit, a touch screen circuit, a current measurement circuit, and a voltage conversion circuit, and wherein:
the relay matrix is connected with the aviation plug interface and is used for switching on different contacts of the aviation plug of the external column switch through the opening and closing switching of the contacts;
the LCR measuring circuit is used for measuring the electrical characteristics of the aviation plug contact of the on-column switch, and comprises resistive characteristic, inductive characteristic and capacitive characteristic measurement;
the voltage conversion circuit is connected with the relay matrix circuit and the lithium battery and provides power output capacity with the conversion voltage level of DC24V, DC48V, DC220V, AC V;
the current measuring circuit measures the size of the output power supply when external power is supplied in real time and verifies the operation voltage of the switch;
the touch screen circuit is connected with the MCU circuit and used for providing an interactive path, selecting corresponding functions, inputting information and feeding back results;
and the MCU peripheral circuit controls the relay matrix to be connected with the specified contact, analyzes the data collected by the LCR measuring circuit and the current measuring circuit according to the selected function, controls the touch display screen to interact, and simultaneously maintains the normal operation of the MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202005.2A CN112924904B (en) | 2021-02-23 | 2021-02-23 | Aviation plug line sequence recognition tool suitable for feeder terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110202005.2A CN112924904B (en) | 2021-02-23 | 2021-02-23 | Aviation plug line sequence recognition tool suitable for feeder terminal |
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| Publication Number | Publication Date |
|---|---|
| CN112924904A CN112924904A (en) | 2021-06-08 |
| CN112924904B true CN112924904B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110202005.2A Active CN112924904B (en) | 2021-02-23 | 2021-02-23 | Aviation plug line sequence recognition tool suitable for feeder terminal |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114089069A (en) * | 2021-11-18 | 2022-02-25 | 贵州电网有限责任公司 | Portable power distribution terminal FTU automatic switch aerial plug sequence test method and tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888512Y (en) * | 2006-03-20 | 2007-04-11 | 普天首信通信设备厂（集团） | Traffic signal testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103761995A (en) * | 2014-01-29 | 2014-04-30 | 清华大学 | High temperature gas cooled reactor outside fitted ball passing detection method and system having self-diagnostic function |
| CN203881876U (en) * | 2014-06-11 | 2014-10-15 | 国家电网公司 | Modularized and integrated system for dynamic simulation and terminal detection of power distribution network |
| CN205193204U (en) * | 2015-12-17 | 2016-04-27 | 保定市冀能电力自动化设备有限公司 | A device for detecting have two side circular connector cables |
| CN108717148A (en) * | 2018-05-08 | 2018-10-30 | 国网天津市电力公司 | A kind of power distribution automation station aviation plug and cable tester |
| EP3881085A4 (en) * | 2018-11-16 | 2022-07-20 | ABB Schweiz AG | Voltage sensor and apparatus |
| CN109787331B (en) * | 2019-01-14 | 2023-06-09 | 苏州市万松电气有限公司 | Combined installation process of charger |
| CN210775706U (en) * | 2019-09-29 | 2020-06-16 | 广州思泰信息技术有限公司 | Feeder automation action logic testing device |
| CN111175672A (en) * | 2020-01-06 | 2020-05-19 | 国网辽宁省电力有限公司电力科学研究院 | Automatic inspection device for wire sequence of prefabricated cable |
| CN112379145A (en) * | 2020-10-21 | 2021-02-19 | 广西电网有限责任公司柳州柳城供电局 | Distribution automation terminal logic test and aviation plug voltage measurement device between holes |
| CN113484804B (en) * | 2021-06-02 | 2023-06-20 | 青岛鼎信通讯股份有限公司 | Wrong wiring identification method applied to feeder terminal device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2888512Y (en) * | 2006-03-20 | 2007-04-11 | 普天首信通信设备厂（集团） | Traffic signal testing device |
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