CN110531206A - Split-phase type low-voltage ground fault detection means - Google Patents
Split-phase type low-voltage ground fault detection means Download PDFInfo
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- CN110531206A CN110531206A CN201910797846.5A CN201910797846A CN110531206A CN 110531206 A CN110531206 A CN 110531206A CN 201910797846 A CN201910797846 A CN 201910797846A CN 110531206 A CN110531206 A CN 110531206A
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000004146 energy storage Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Locating Faults (AREA)
Abstract
The present invention relates to low-voltage distributing line Earth Fault Detection technical fields, more specifically, it is related to split-phase type low-voltage ground fault detection means, it include measuring device and analytical equipment, measuring device is equipped at least two, measuring device carries out DATA REASONING with three-phase circuit and the cooperation of zero phase line road respectively, and analytical equipment connect with binding clip device, carries out data transmission.The present invention provides split-phase type low-voltage ground fault detection means, shortens working hours, and improves working efficiency.
Description
Technical field
The present invention relates to low-voltage distributing line Earth Fault Detection technical fields, connect more particularly, to split-phase type low pressure
Earth fault detection device.
Background technique
In power grid, low-voltage network is in the end of power supply system, is last being directly associated with low-voltage customer
Ring.In low-voltage network operation, since route is closer with ground and other objects, branch line and user are more, single-phase in generation
When low-voltage ground failure, low voltage can be caused, it is qualified horizontal to be unable to reach voltage.And low-voltage ground failure is due to line voltage distribution
It is lower, it is unobvious in grounding point phenomenon, it is not easy to find fault point.When being sought using the progress ground fault survey of electric current split-core type meter, electric current
Split-core type meter only has a jaw, can not detect simultaneously to separated three-phase line and zero curve.
Summary of the invention
The present invention is to overcome dynamometer instrument jaw quantity described in the above-mentioned prior art few, can not to separated three-phase line and
The problem of zero curve detects simultaneously provides split-phase type low-voltage ground fault detection means, shortens working hours, and improves working efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: split-phase type low-voltage ground fault detection means,
Wherein, include measuring device and analytical equipment, measuring device is equipped at least two, measuring device respectively with three-phase circuit and zero
Phase line cooperation carries out DATA REASONING, and analytical equipment connect with binding clip device, carries out data transmission.
In the present solution, split-phase type low-voltage ground fault detection means is equipped with measuring device and analytical equipment, at least two are surveyed
It measures device and carries out current measurement with three-phase circuit and the cooperation of zero phase line road respectively, then the data that measurement obtains are transferred to analysis
Device carries out data analysis, obtains measurement result.
In one embodiment, analytical equipment is equipped with data processing module, display module and data memory module, display
Module is connect with data processing module, and data processing module is used to handle the data of measuring device measurement, and display module is for showing
Show that data processed result, data accumulating module are used to record the historical data of measurement, and data are compared.
Preferably, analytical equipment is equipped with voice playing module.Voice playing module is for carrying out voice broadcast.
Preferably, analytical equipment is equipped with charging module, energy-storage module, and energy-storage module provides working power for analytical equipment,
Charging module is energy-storage module power supply.
Preferably, measuring device is equipped with binding clip, Current Mutual Inductance module and voltage measurement module, and binding clip can be with three-phase circuit
And the connection of zero phase line road, Current Mutual Inductance module can measure size of current, voltage measurement module can be to the electricity between opposite phase and ground
Pressure measures, for whether in the normal range to analyze voltage.
Preferably, split-phase type low-voltage ground fault detection means further includes having locating module, for fault detection means
Carry out position positioning.
Preferably, measuring device is equipped with charging module and energy-storage module, and energy-storage module provides working power for measuring device,
Charging module is energy-storage module power supply.
Preferably, measuring device be equipped with wireless sending module, analytical equipment be equipped with wireless receiving module, measuring device with point
Analysis apparatus is wirelessly connected.
Preferably, measuring device and analytical equipment carry out wired connection.
Preferably, there are four measuring device is set, four measuring devices cooperate with three-phase circuit and zero phase line road respectively.
Compared with prior art, the present invention having the following characteristics that
The measuring device cooperated with three-phase circuit and zero phase line road that the device is equipped with, can measure to obtain three-phase circuit simultaneously
And the current information on zero phase line road, the size of zero-sequence current can be directly obtained, earth fault is conveniently navigated to, is shortened
Working time improves work efficiency, and improves power quality.
Detailed description of the invention
Fig. 1 is module connection diagram in the embodiment of the present invention.
Specific embodiment
Attached drawing only for illustration, is not considered as limiting the invention；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, is not considered as limiting the invention.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1:
As shown in Figure 1, the present invention provides split-phase type low-voltage ground fault detection means, it include measuring device and analysis dress
It sets, analytical equipment is equipped with data processing module, display module and data memory module, data processing module is for handling measurement
The data of device measurement, display module is for showing data processed result.Analytical equipment is equipped with charging module, energy-storage module, storage
Energy module provides working power for analytical equipment, and charging module is energy-storage module power supply, and data accumulating module is for recording measurement
Historical data, and data are compared.Analytical equipment is additionally provided with voice playing module, and measured result is carried out voice
It plays, staff is facilitated to obtain measurement result.
Measuring device is equipped at least two, and measuring device is equipped with binding clip, Current Mutual Inductance module and voltage measurement module, binding clip
It can be connect with three-phase circuit and zero phase line road, Current Mutual Inductance module can measure size of current.Measuring device is additionally provided with charging
Module and energy-storage module, energy-storage module provide working power for measuring device, and charging module is energy-storage module power supply, voltage measurement
Module can measure the voltage between opposite phase and ground, for whether in the normal range to analyze voltage.
Measuring device is equipped with wireless sending module, and analytical equipment is equipped with wireless receiving module, measuring device and analytical equipment
It is wirelessly connected, wireless connection is able to achieve longer-distance data transmission, increases the space adaptability of fault detection means.
In the present embodiment, the display module of analytical equipment is equipped with display screen, and display module is for showing data processing module
Data processed result, the energy-storage module of analytical equipment and measuring device is chargeable storage.
Ground fault detection device further includes having locating module, for carrying out position positioning to fault detection means, is being surveyed
When measuring determining failure, fault point can be positioned.
Embodiment 2:
The present embodiment is similar to Example 1, the difference is that, in the present embodiment, there are four measuring device is set, measurement dress
It sets and carries out wired connection with analytical equipment, four measuring devices are connect with three-phase circuit and zero phase line road respectively, for measuring three
Circuitry phase and the current information on zero phase line road, and metrical information is transferred to by analytical equipment by the route of wired connection, according to
Analysis result can conveniently navigate to earth fault.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. split-phase type low-voltage ground fault detection means, which is characterized in that include measuring device and analytical equipment, the measurement
Device is equipped at least two, and the measuring device cooperates with three-phase circuit and zero phase line road respectively carries out DATA REASONING, and described point
Analysis apparatus is connect with binding clip device, is carried out data transmission.
2. split-phase type low-voltage ground fault detection means according to claim 1, which is characterized in that the analytical equipment is set
There are data processing module, display module and data memory module, the display module is connect with data processing module, the data
Processing module is used to handle the data of measuring device measurement, and the display module is for showing data processed result, the data
Memory module is used to record the historical data of measurement, and is compared to data.
3. split-phase type low-voltage ground fault detection means according to claim 1, which is characterized in that the analytical equipment is set
There is voice playing module.
4. split-phase type low-voltage ground fault detection means according to claim 2, which is characterized in that the analytical equipment is set
There are charging module, energy-storage module, the energy-storage module provides working power for analytical equipment, and the charging module is energy-storage module
Power supply.
5. split-phase type low-voltage ground fault detection means according to claim 2, which is characterized in that the measuring device is set
There are binding clip, Current Mutual Inductance module and voltage measurement module, the binding clip can be connect with three-phase circuit and zero phase line road, the electricity
Stream mutual inductance module can measure size of current.
6. split-phase type low-voltage ground fault detection means according to claim 2, which is characterized in that further include having positioning mould
Block, for carrying out position positioning to fault detection means.
7. split-phase type low-voltage ground fault detection means according to claim 5, which is characterized in that the measuring device is set
There are charging module and energy-storage module, the energy-storage module provides working power for measuring device, and the charging module is energy storage mould
Block power supply.
8. split-phase type low-voltage ground fault detection means according to claim 5, which is characterized in that the measuring device is set
There is wireless sending module, the analytical equipment is equipped with wireless receiving module, and the measuring device and analytical equipment are wirelessly connected.
9. split-phase type low-voltage ground fault detection means according to claim 5, which is characterized in that the measuring device with
Analytical equipment carries out wired connection.
10. split-phase type low-voltage ground fault detection means according to any one of claims 1 to 7, which is characterized in that described
There are four measuring device is set, four measuring devices cooperate with three-phase circuit and zero phase line road respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910797846.5A CN110531206A (en) | 2019-08-27 | 2019-08-27 | Split-phase type low-voltage ground fault detection means |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910797846.5A CN110531206A (en) | 2019-08-27 | 2019-08-27 | Split-phase type low-voltage ground fault detection means |
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| CN110531206A true CN110531206A (en) | 2019-12-03 |
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| CN201910797846.5A Pending CN110531206A (en) | 2019-08-27 | 2019-08-27 | Split-phase type low-voltage ground fault detection means |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005050605A (en) * | 2003-07-31 | 2005-02-24 | Fuji Electric Fa Components & Systems Co Ltd | Ground-fault interrupter |
| CN101826707A (en) * | 2009-03-02 | 2010-09-08 | 丁建新 | Intelligent prefabricated substation |
| CN203101574U (en) * | 2013-03-07 | 2013-07-31 | 河南省电力公司驻马店供电公司 | Low-voltage grid phase line grounding remote alarm |
| CN107290629A (en) * | 2017-07-12 | 2017-10-24 | 国网青海省电力公司海南供电公司 | A kind of 10KV low-voltage networks Earth design method |
| CN208060648U (en) * | 2018-04-20 | 2018-11-06 | 广东电网有限责任公司 | A kind of line single phase grounding failure position indicator |
| CN208384002U (en) * | 2018-04-20 | 2019-01-15 | 广东电网有限责任公司 | Platform distinguishes branch line operation data monitoring device |
| CN109633374A (en) * | 2018-12-20 | 2019-04-16 | 孟小晶 | A kind of low pressure fault to ground point intellectual search instrument and intellectual search method |
| CN211014593U (en) * | 2019-08-27 | 2020-07-14 | 广东电网有限责任公司 | Phase-splitting low-voltage grounding fault detection device |
-
2019
- 2019-08-27 CN CN201910797846.5A patent/CN110531206A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005050605A (en) * | 2003-07-31 | 2005-02-24 | Fuji Electric Fa Components & Systems Co Ltd | Ground-fault interrupter |
| CN101826707A (en) * | 2009-03-02 | 2010-09-08 | 丁建新 | Intelligent prefabricated substation |
| CN203101574U (en) * | 2013-03-07 | 2013-07-31 | 河南省电力公司驻马店供电公司 | Low-voltage grid phase line grounding remote alarm |
| CN107290629A (en) * | 2017-07-12 | 2017-10-24 | 国网青海省电力公司海南供电公司 | A kind of 10KV low-voltage networks Earth design method |
| CN208060648U (en) * | 2018-04-20 | 2018-11-06 | 广东电网有限责任公司 | A kind of line single phase grounding failure position indicator |
| CN208384002U (en) * | 2018-04-20 | 2019-01-15 | 广东电网有限责任公司 | Platform distinguishes branch line operation data monitoring device |
| CN109633374A (en) * | 2018-12-20 | 2019-04-16 | 孟小晶 | A kind of low pressure fault to ground point intellectual search instrument and intellectual search method |
| CN211014593U (en) * | 2019-08-27 | 2020-07-14 | 广东电网有限责任公司 | Phase-splitting low-voltage grounding fault detection device |
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