CN105954555A - Method and device for detecting null line break-off electricity stealing - Google Patents
Method and device for detecting null line break-off electricity stealing Download PDFInfo
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- CN105954555A CN105954555A CN201610579428.5A CN201610579428A CN105954555A CN 105954555 A CN105954555 A CN 105954555A CN 201610579428 A CN201610579428 A CN 201610579428A CN 105954555 A CN105954555 A CN 105954555A
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- Prior art keywords
- ammeter
- zero
- line
- amperemeter
- stealing
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- 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
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a method for detecting null line break-off electricity stealing. The method comprises the steps that a tong-type ammeter is utilized to measure a phase line on the power side of the ammeter; if the tong-type ammeter measures a current value, the tong-type ammeter is utilized to measure a null line on the power side of the ammeter; if the tong-type ammeter does not measure the current value, the null line break-off electricity stealing is determined. The method can accurately detect whether a user performs null line break-off electricity stealing or not so as to ensure the benefits of a power supply enterprise. The invention further discloses a device for detecting null line break-off electricity stealing. The device for detecting the null line break-off electricity stealing can accurately detect whether the user performs null line break-off electricity stealing or not.
Description
Technical field
The present invention relates to electrical engineering technical field, particularly to a kind of line stealing off zero detection method and
Device.
Background technology
Under the influence of economic crisis, stealing becomes worse, and electricity filching means also becomes more
Add hidden and ingenious.Line stealing principle off zero: client carries out stealing according to under-voltage method principle, privately will meter
Scale mains side zero line is cut off, and electric equipment is connected on electricity consumption between live wire and ground wire, then installs cubicle switch additional
Control gauge table stop or rotating, cause power supply enterprise's metering device inaccurate or lost efficacy, thus reaching stealing
Purpose.
Line stealing electricity method off zero is the most hidden, and electricity filching person need not to gauge table lead sealing or to gauge table structure
Destroy.Staff is checking meter or is being not easy in checking process to note abnormalities.Even if staff
Client is replaced electric energy meter, the stealing problem of client can not be eliminated.Line stealing off zero allows confession especially
Electricity enterprise has no way of detecting.Therefore, detect whether user exists line stealing electricity phenomenon off zero the most accurately, be
Those skilled in the art's technical issues that need to address.
Summary of the invention
It is an object of the invention to provide detection method and the device of a kind of line stealing off zero, it is possible to examine accurately
Survey whether user exists line stealing electricity phenomenon off zero, to ensure the rights and interests of power supply enterprise.
For solving above-mentioned technical problem, the present invention provides the detection method of a kind of line stealing off zero, including:
Clamp on amperemeter is utilized to measure the phase line of ammeter mains side;
If current value measured by described clamp on amperemeter, then described clamp on amperemeter is utilized to measure described ammeter
The zero line of mains side;
If described clamp on amperemeter is unmeasured to current value, it is determined that for line stealing off zero.
Wherein, after utilizing clamp on amperemeter to measure the phase line of ammeter mains side, also include:
If described clamp on amperemeter is unmeasured to current value, then after increasing load equipment for ammeter, profit again
The phase line of ammeter mains side is measured with described clamp on amperemeter;
If described clamp on amperemeter is unmeasured to current value, the most there is not line stealing off zero;
If current value measured by described clamp on amperemeter, then described clamp on amperemeter is utilized to measure described ammeter
The zero line of mains side.
Wherein, before utilizing clamp on amperemeter to measure the phase line of ammeter mains side, also include:
Load equipment is increased for ammeter.
Wherein, described clamp on amperemeter is unmeasured after current value, also includes:
Disconnect described ammeter load side switch, and utilize the voltage gear of described clamp on amperemeter to measure described electricity
The magnitude of voltage of table;
If described magnitude of voltage is 0, it is determined that for line stealing off zero.
Wherein, if after described magnitude of voltage is 0, also including:
The most then send information.
The present invention provides the detection device of a kind of line stealing off zero, including:
Clamp on amperemeter, for measuring phase line and the current value of zero line of the mains side of ammeter, and sends
Give detection device;
Described detection device, if measure the phase line of described ammeter mains side for described clamp on amperemeter
Current value, then judge whether described clamp on amperemeter measures the current value of the zero line of described ammeter mains side;
If the current value of the unmeasured zero line to described ammeter mains side, it is determined that for line stealing off zero.
Wherein, also include:
Load equipment, if for the electricity of the unmeasured phase line to described ammeter mains side of described clamp on amperemeter
Flow valuve, then increase load equipment for ammeter, make load on described ammeter band;Or utilize described pincerlike electric current
Before the phase line of described ammeter mains side measured by table, increase load equipment for ammeter, make on described ammeter band
Load.
Wherein, described load equipment is specially hair dryer.
Wherein, described clamp on amperemeter is additionally operable to, when disconnecting described ammeter load side switch, utilize voltage
Shelves measure the magnitude of voltage of described ammeter, and are sent to detect device;
If it is 0 that detection device is additionally operable to described magnitude of voltage, it is determined that for line stealing off zero.
Wherein, described detection device also includes:
Alarm module, if being 0 for described magnitude of voltage, then sends information.
The detection method of line stealing off zero provided by the present invention, including: utilize clamp on amperemeter to measure electricity
The phase line of apparent source side;If current value measured by described clamp on amperemeter, then utilize described clamp on amperemeter
Measure the zero line of described ammeter mains side;If described clamp on amperemeter is unmeasured to current value, it is determined that for
Line stealing off zero;Visible, the method is according to the numerical value of twice clamp on amperemeter, it is possible to detect use accurately
Whether family exists line stealing electricity phenomenon off zero, to ensure the rights and interests of power supply enterprise;The invention also discloses one
The detection device of line stealing off zero, whether the detection device of this line stealing off zero can detect user accurately
There is line stealing electricity phenomenon off zero.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The flow chart of the detection method of the line stealing off zero that Fig. 1 is provided by the embodiment of the present invention;
The schematic diagram of the line stealing off zero that Fig. 2 is provided by the embodiment of the present invention;
The structured flowchart of the detection device of the line stealing off zero that Fig. 3 is provided by the embodiment of the present invention.
Detailed description of the invention
The core of the present invention is to provide detection method and the device of a kind of line stealing off zero, it is possible to examine accurately
Survey whether user exists line stealing electricity phenomenon off zero, to ensure the rights and interests of power supply enterprise.
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Refer to the flow process of the detection method of the line stealing off zero that Fig. 1, Fig. 1 are provided by the embodiment of the present invention
Figure;The method may include that
S100, utilize clamp on amperemeter measure ammeter mains side phase line;
If current value measured by the described clamp on amperemeter of S110, then described clamp on amperemeter is utilized to measure institute
State the zero line of ammeter mains side;
If the described clamp on amperemeter of S120 is unmeasured to current value, it is determined that for line stealing off zero.
Refer to Fig. 2,1 in Fig. 2,2 for being that ammeter normal operating conditions i.e. ammeter is normally counted during path
Number, if 1,2 for during open circuit being stealing state ammeter abnormal operating state i.e. ammeter stopping counting, now
It is line stealing pattern off zero.
Therefore, according to Fig. 2, if 1,2 for open circuit time, when ammeter power supply measured by clamp on amperemeter
During the current value of the phase line of side, then prove that electrical equipment, just in electricity consumption, now, uses clamp on amperemeter to survey
Measure the zero line of described ammeter mains side, owing to zero line at this moment is off, therefore clamp on amperemeter
The unmeasured current value to ammeter zero line, it is determined that for line stealing off zero.
Using clamp on amperemeter to measure the phase line of ammeter mains side, if showing current value, illustrating that user is just
In electricity consumption.Use clamp on amperemeter to measure the zero line of ammeter mains side, if display no current value, electricity is described
Table current loop has exception.Clamp on amperemeter is utilized successively phase line and the zero line of ammeter mains side to be carried out electricity
Flow measurement, i.e. can be made whether to exist the phenomenon of line stealing off zero according to measurement result.It is simple and convenient,
And need not increase hardware cost.
Wherein, clamp on amperemeter is used to measure the phase line of ammeter mains side, if not showing current value, then
There are two kinds of possibilities, one is line stealing the most off zero, and another kind is that now user does not use
The electrical equipment (i.e. load equipment) not being currently in use on electrical equipment both circuits;In order to get rid of latter feelings
Condition, can be that ammeter increases load equipment here, and load equipment here can be any electrical equipment example
Such as hair dryer, fan, electric light etc.;Concrete, utilize clamp on amperemeter to measure the phase line of ammeter mains side
Afterwards, also include:
If described clamp on amperemeter is unmeasured to current value, then after increasing load equipment for ammeter, profit again
The phase line of ammeter mains side is measured with described clamp on amperemeter;
If described clamp on amperemeter is unmeasured to current value, the most there is not line stealing off zero;
If current value measured by described clamp on amperemeter, then described clamp on amperemeter is utilized to measure described ammeter
The zero line of mains side.I.e. perform step S110.
Or just in order to prevent use before utilizing clamp on amperemeter to measure the phase line of ammeter mains side
Family does not uses the situation of electrical equipment, directly increases load equipment for ammeter, is carrying out step S100.Tool
Body, before utilizing clamp on amperemeter to measure the phase line of ammeter mains side, also include:
Load equipment is increased for ammeter.
Based on technique scheme, the detection method of the line stealing off zero that the embodiment of the present invention provides, it is possible to
Conveniently, whether detection user exists line stealing electricity phenomenon off zero, to ensure the rights and interests of power supply enterprise accurately.
Based on technique scheme, in order to improve the reliability of line stealing electricity phenomenon off zero detection further,
Described clamp on amperemeter is unmeasured after current value, also includes:
Disconnect described ammeter load side switch, and utilize the voltage gear of described clamp on amperemeter to measure described electricity
The magnitude of voltage of table;
If described magnitude of voltage is 0, it is determined that for line stealing off zero.
Wherein, herein for the phenomenon of the stealing that further confirms that whether user exists " line off zero ", improve
The accuracy of above-described embodiment, utilize described clamp on amperemeter measure described ammeter mains side zero line and
Described clamp on amperemeter is unmeasured carries out voltage method checking after current value again.Voltage method checking is i.e. handle
Ammeter load side switch pulls open, and the voltage gear re-using clamp on amperemeter measures the voltage of ammeter, shows number
According to for 0V, zero line before i.e. susceptible of proof user has been turned off ammeter.
Based on technique scheme, if after described magnitude of voltage is 0, also including:
The most then send information.
Wherein it is possible to by voice, display lamp etc. reminds testing staff user to have been turned off zero line before ammeter,
There is the phenomenon of line stealing off zero.
Based on technique scheme, the detection method of the line stealing off zero that the embodiment of the present invention provides, it is possible to
Whether convenient, accurate and relatively reliable detection user exists line stealing electricity phenomenon off zero, to ensure power supply enterprise
The rights and interests of industry.
Embodiments provide the detection method of line stealing off zero, it is possible to detection user whether accurately
There is line stealing electricity phenomenon off zero, to ensure the rights and interests of power supply enterprise.
Below the detection device of the line stealing off zero that the embodiment of the present invention provides is introduced, is described below
Detection device and the detection method of above-described line stealing off zero of line stealing off zero can the most corresponding join
According to.
Refer to the structure of the detection device of the line stealing off zero that Fig. 3, Fig. 3 are provided by the embodiment of the present invention
Block diagram;This device may include that
Clamp on amperemeter 100, for measuring phase line and the current value of zero line of the mains side of ammeter, concurrently
Give detection device;
Described detection device 200, if measuring the phase line of described ammeter mains side for described clamp on amperemeter
Current value, then judge whether described clamp on amperemeter measures the electric current of the zero line of described ammeter mains side
Value;If the current value of the unmeasured zero line to described ammeter mains side, it is determined that for line stealing off zero.
Optional based on technique scheme, this device also includes:
Load equipment, if for the electricity of the unmeasured phase line to described ammeter mains side of described clamp on amperemeter
Flow valuve, then increase load equipment for ammeter, makes load on described ammeter band, or utilizes described pincerlike electric current
Before the phase line of described ammeter mains side measured by table, increase load equipment for ammeter, make on described ammeter band
Load;
Optionally, described load equipment is specially hair dryer.
Optionally, described clamp on amperemeter 100 is additionally operable to when disconnecting described ammeter load side switch, profit
Measure the magnitude of voltage of described ammeter with voltage gear, and be sent to detect device;
If it is 0 that detection device 200 is additionally operable to described magnitude of voltage, it is determined that for line stealing off zero.
Optionally, described detection device 200 also includes:
Alarm module, if being 0 for described magnitude of voltage, then sends information.
In description, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is
With the difference of other embodiments, between each embodiment, identical similar portion sees mutually.Right
For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so describe
Fairly simple, relevant part sees method part and illustrates.
Detection method and device to line stealing off zero provided by the present invention are described in detail above.
Principle and the embodiment of the present invention are set forth by specific case used herein, above example
Explanation be only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for this skill
For the those of ordinary skill in art field, under the premise without departing from the principles of the invention, it is also possible to this
Bright carrying out some improvement and modification, these improve and modify the protection domain also falling into the claims in the present invention
In.
Claims (10)
1. the detection method of a line stealing off zero, it is characterised in that including:
Clamp on amperemeter is utilized to measure the phase line of ammeter mains side;
If current value measured by described clamp on amperemeter, then described clamp on amperemeter is utilized to measure described ammeter
The zero line of mains side;
If described clamp on amperemeter is unmeasured to current value, it is determined that for line stealing off zero.
The detection method of line stealing off zero the most as claimed in claim 1, it is characterised in that utilize pincer
After the phase line of ammeter mains side measured by ammeter, also include:
If described clamp on amperemeter is unmeasured to current value, then after increasing load equipment for ammeter, profit again
The phase line of ammeter mains side is measured with described clamp on amperemeter;
If described clamp on amperemeter is unmeasured to current value, the most there is not line stealing off zero;
If current value measured by described clamp on amperemeter, then described clamp on amperemeter is utilized to measure described ammeter
The zero line of mains side.
The detection method of line stealing off zero the most as claimed in claim 1, it is characterised in that utilize pincer
Before the phase line of ammeter mains side measured by ammeter, also include:
Load equipment is increased for ammeter.
The detection method of line stealing off zero the most as claimed in claim 1, it is characterised in that described pincer
Ammeter is unmeasured after current value, also includes:
Disconnect described ammeter load side switch, and utilize the voltage gear of described clamp on amperemeter to measure described electricity
The magnitude of voltage of table;
If described magnitude of voltage is 0, it is determined that for line stealing off zero.
The detection method of line stealing off zero the most as claimed in claim 4, it is characterised in that if described electricity
After pressure value is 0, also include:
The most then send information.
6. the detection device of a line stealing off zero, it is characterised in that including:
Clamp on amperemeter, for measuring phase line and the current value of zero line of the mains side of ammeter, and sends
Give detection device;
Described detection device, if measure the phase line of described ammeter mains side for described clamp on amperemeter
Current value, then judge whether described clamp on amperemeter measures the current value of the zero line of described ammeter mains side;
If the current value of the unmeasured zero line to described ammeter mains side, it is determined that for line stealing off zero.
The detection device of line stealing off zero the most as claimed in claim 6, it is characterised in that also include:
Load equipment, if for the electricity of the unmeasured phase line to described ammeter mains side of described clamp on amperemeter
Flow valuve, then increase load equipment for ammeter, make load on described ammeter band;Or utilize described pincerlike electric current
Before the phase line of described ammeter mains side measured by table, increase load equipment for ammeter, make on described ammeter band
Load.
The detection device of line stealing off zero the most as claimed in claim 7, it is characterised in that described load
Equipment is specially hair dryer.
The detection device of line stealing off zero the most as claimed in claim 6, it is characterised in that
Described clamp on amperemeter is additionally operable to, when disconnecting described ammeter load side switch, utilize voltage gear to measure
The magnitude of voltage of described ammeter, and be sent to detect device;
If it is 0 that detection device is additionally operable to described magnitude of voltage, it is determined that for line stealing off zero.
The detection device of line stealing off zero the most as claimed in claim 9, it is characterised in that described inspection
Survey device also to include:
Alarm module, if being 0 for described magnitude of voltage, then sends information.
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CN201610579428.5A CN105954555A (en) | 2016-07-21 | 2016-07-21 | Method and device for detecting null line break-off electricity stealing |
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CN201610579428.5A CN105954555A (en) | 2016-07-21 | 2016-07-21 | Method and device for detecting null line break-off electricity stealing |
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CN201610579428.5A Pending CN105954555A (en) | 2016-07-21 | 2016-07-21 | Method and device for detecting null line break-off electricity stealing |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107621562A (en) * | 2017-07-21 | 2018-01-23 | 国网浙江省电力公司 | A kind of single-phase meter shunting accurate judgement method for being used to analyze stealing |
CN107831348A (en) * | 2017-09-28 | 2018-03-23 | 俞若昕 | The system and method whether quick detection sneaks current |
CN109581014A (en) * | 2018-12-11 | 2019-04-05 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter line metering method off zero |
CN110568238A (en) * | 2019-10-15 | 2019-12-13 | 长沙理工大学 | Street lamp special transformer electricity stealing detection analysis method based on electricity consumption behavior characteristics |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107621562A (en) * | 2017-07-21 | 2018-01-23 | 国网浙江省电力公司 | A kind of single-phase meter shunting accurate judgement method for being used to analyze stealing |
CN107621562B (en) * | 2017-07-21 | 2019-04-16 | 国网浙江省电力公司 | A kind of single-phase meter shunting accurate judgement method for analyzing stealing |
CN107831348A (en) * | 2017-09-28 | 2018-03-23 | 俞若昕 | The system and method whether quick detection sneaks current |
CN107831348B (en) * | 2017-09-28 | 2020-08-07 | 国网甘肃省电力公司 | System and method for rapidly detecting whether power is stolen |
CN109581014A (en) * | 2018-12-11 | 2019-04-05 | 宁波三星医疗电气股份有限公司 | A kind of electric energy meter line metering method off zero |
CN109581014B (en) * | 2018-12-11 | 2024-02-02 | 宁波三星医疗电气股份有限公司 | Method for measuring broken zero line of electric energy meter |
CN110568238A (en) * | 2019-10-15 | 2019-12-13 | 长沙理工大学 | Street lamp special transformer electricity stealing detection analysis method based on electricity consumption behavior characteristics |
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