CN111856103A - Electric power electricity larceny prevention detection instrument and method - Google Patents
Electric power electricity larceny prevention detection instrument and method Download PDFInfo
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- CN111856103A CN111856103A CN202010625552.7A CN202010625552A CN111856103A CN 111856103 A CN111856103 A CN 111856103A CN 202010625552 A CN202010625552 A CN 202010625552A CN 111856103 A CN111856103 A CN 111856103A
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- 238000001514 detection method Methods 0.000 title claims abstract description 70
- 230000005611 electricity Effects 0.000 title claims abstract description 32
- 230000002265 prevention Effects 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 15
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 230000006399 behavior Effects 0.000 abstract description 9
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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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- 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
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/066—Arrangements for avoiding or indicating fraudulent use
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Abstract
The invention discloses a power electricity stealing prevention detection method, which comprises the following steps: firstly, opening an electric meter box; secondly, connecting and fixing leads respectively to a live wire terminal and a zero line terminal of the power supply meter to be detected; then, connecting the detection instrument with a power supply meter outlet end through a lead, and starting the detection instrument; then, displaying the current flowing through the instrument load on the detection instrument, and comparing the change value of the current indication value on the detected power supply meter with the magnitude of the current displayed on the detection instrument; and finally, if the change value of the current indication value on the power supply meter is the same as the magnitude of the current displayed on the detection instrument, no electricity stealing is caused. According to the method, detection can be carried out under the condition of no power outage in the detection process, compared with the traditional worker inspection method, the efficiency is high, the time consumption is short, the judgment accuracy is high, whether power stealing behaviors exist or not can be judged quickly and accurately, and the working efficiency of workers is greatly improved.
Description
Technical Field
The invention relates to the field of power detection equipment, in particular to a power electricity stealing prevention detection instrument and a power electricity stealing prevention detection method.
Background
In order to count the electricity consumption of each household, a power supply meter is connected to the end of the incoming line to measure the electricity consumption of each household, but residents still have electricity stealing behaviors, so that not only is the economic loss brought to the country, but also the electricity stealing behaviors have high danger.
At present, the detection means of inspectors for whether the electricity stealing behaviors of the electricity meters of residential users exist is basically manual inspection, and meter detection is carried out after the electricity is cut off and the meters are detached.
The manual inspection method generally checks whether the electric meter line is changed or not and whether the wiring is abnormal or not. The inspection means is old, the defects of low efficiency, long time consumption and low judgment accuracy exist, power failure inspection must be carried out, and whether electricity stealing behavior exists or not can not be judged under some conditions.
Disclosure of Invention
The invention aims to provide an electric power electricity larceny prevention detection instrument and method to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
according to one aspect of the invention, a power electricity stealing prevention detection method is provided, which comprises the following steps:
firstly, opening an electric meter box;
secondly, connecting and fixing leads respectively to a live wire terminal and a zero line terminal of the power supply meter to be detected;
Then, connecting the detection instrument with a power supply meter outlet end through a lead, and starting the detection instrument;
then, displaying the current flowing through the instrument load on the detection instrument, and comparing the change value of the current indication value on the detected power supply meter with the magnitude of the current displayed on the detection instrument;
finally, if the change value of the current indication value on the power supply meter is the same as the magnitude of the current displayed on the detection instrument, no electricity stealing is caused; if the change value of the current indication value on the power supply meter is different from the magnitude of the current displayed on the detection instrument, the detected power supply meter wiring adopts an abnormal means, namely electricity stealing exists.
According to another aspect of the present invention, there is also provided a power theft prevention detecting instrument, including:
the device comprises an embedded CPU, a light load, an LCD display part, a current detection element, an amplification element and an AD conversion module;
the light load is connected with a wire outlet end of a power supply meter to be detected;
the current detection element is connected with the light load in series and is used for detecting the size of the sinusoidal alternating current passing through the light load;
the signal input end of the amplifying element is electrically connected with the signal output end of the current detection element;
the signal output end of the amplifying element is electrically connected with the signal input end of the AD conversion module;
The signal output end of the AD conversion module is electrically connected with the signal input end of the LCD display part;
the amplifying element and the AD conversion module are integrated on the embedded CPU.
Further, embedded CPU, light load, LCD display part, current detection component, amplifier element and AD conversion module all are located inside portable casing, the LCD display part inlays the surperficial upper portion of locating portable casing, and the lower part that is located this surface is equipped with the terminal, the one end and the terminal electric connection that corresponds of lead wire, light load passes through wire and terminal electric connection.
Further, the portable housing is provided with a portable power supply part for supplying a working power supply to the embedded CPU, the LCD display part, the amplifying element, and the AD conversion module.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, when the detection instrument is connected with the industrial frequency commercial power at the wire outlet end of the power supply meter, the detection instrument can display the current passing through the load, and the detection instrument is connected to the wire outlet end of the power supply meter in parallel, so the current on the detection instrument can be presented on the power supply meter, and the magnitude of the current on the detection instrument is the change value of the current indication value on the power supply meter, and whether the wiring of the power supply meter is normal can be judged by comparing the change value of the current indication value on the power supply meter with the magnitude of the current displayed on the detection instrument.
In the detection process, the method can detect the electricity stealing behavior without power outage, has high efficiency, short time consumption and higher judgment accuracy compared with the traditional worker detection method, can quickly and accurately judge whether the electricity stealing behavior exists, and greatly improves the working efficiency of workers.
The embedded CPU, the light load, the LCD display part, the current detection element, the amplifying element and the AD conversion module are all positioned in the portable shell, so that the carrying and the use of the detection instrument are convenient.
Drawings
FIG. 1 is a flow chart of a power theft prevention detection method;
FIG. 2 is a diagram of a power anti-theft detecting instrument;
fig. 3 is a block diagram of an electricity larceny prevention detecting instrument.
In the figure: 1. an embedded CPU; 2. light load; 3. an LCD display section; 4. a current detection element; 5. an amplifying element; 6. an AD conversion module; 7. a portable housing; 8. a binding post; 9. and a mobile power supply part.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Referring to fig. 1, a first embodiment:
according to one aspect of the invention, a power electricity stealing prevention detection method is provided, which comprises the following steps:
step S101, firstly, opening an electric meter box;
step S103, respectively connecting and fixing leads to a live wire terminal and a zero line terminal of the power supply meter to be detected;
step S105, then, connecting the detection instrument with a power supply meter in parallel through a lead, and starting the detection instrument;
step S107, displaying the current flowing through the instrument load on the detection instrument, and comparing the change value of the current indication value on the detected power supply meter with the magnitude of the current displayed on the detection instrument;
step S109, finally, if the change value of the current indication value on the power supply meter is the same as the magnitude of the current displayed on the detection instrument, no electricity stealing is performed; if the change value of the current indication value on the power supply meter is different from the magnitude of the current displayed on the detection instrument, the detected power supply meter wiring adopts an abnormal means, namely electricity stealing exists.
The working principle is as follows: the detecting instrument adopted in the embodiment is a load with fixed impedance (can be understood as a resistor with fixed resistance value), when the detecting instrument is connected with the power frequency commercial power at the outlet end of the power supply meter, the detecting instrument can display the current passing through the load, and as the detecting instrument is connected to the outlet end of the power supply meter in parallel (namely the detecting instrument is connected with all energy consumption elements in a user room in parallel), the current on the detecting instrument can be presented on the power supply meter, and the magnitude of the current on the detecting instrument is the variation value of the current indication value on the power supply meter (which is the condition that the power supply meter normally connects wires), so that whether the connection of the power supply meter is normal can be judged by comparing the variation value of the detected current indication value on the power supply meter with the magnitude of the current displayed.
In the detection process, the method can detect the electricity stealing behavior without power outage, has high efficiency, short time consumption and higher judgment accuracy compared with the traditional worker detection method, can quickly and accurately judge whether the electricity stealing behavior exists, and greatly improves the working efficiency of workers.
Please refer to fig. 2-3, embodiment two:
according to another aspect of the present invention, there is also provided a power theft prevention detecting instrument, including:
an embedded CPU1, a light load 2, an LCD display section 3, a current detection element 4, an amplification element 5, and an AD conversion module 6;
the light load 2 is connected in parallel with a power supply meter to be detected;
the current detection element 4 is connected with the light load 2 in series and is used for detecting the size of the sinusoidal alternating current passing through the light load 2;
the signal input end of the amplifying element 5 is electrically connected with the signal output end of the current detection element 4;
the signal output end of the amplifying element 5 is electrically connected with the signal input end of the AD conversion module 6;
the signal output end of the AD conversion module 6 is electrically connected with the signal input end of the LCD display part 3;
the amplifying element 5 and the AD conversion module 6 are both integrated with the embedded CPU 1.
The working principle is as follows: light load 2 connects in parallel at power supply meter output line both ends, when power supply meter output line both ends lead to there is sinusoidal alternating current, the sinusoidal alternating current of certain size can flow through on the light load 2, and current detection component 4 establishes ties with light load 2, be used for detecting the size of the sinusoidal alternating current that passes through on the light load 2, and give amplifying element 5 with current signal transmission, carry out integrated operation to the signal through amplifying element 5 and amplify the back, give AD conversion module 6 on embedded CPU1 again, convert analog current signal into digital signal through AD conversion module 6, and show at LCD display part 3, in order to supply operating personnel directly to obtain the information.
Wherein, embedded CPU1, light load 2, LCD display part 3, current detection component 4, amplifying element 5 and AD conversion module 6 all are located inside portable casing 7, so that detecting instrument's carrying, LCD display part 3 inlays the surperficial upper portion of locating portable casing 7, be convenient for observe the electric current numerical value that detects, and the lower part that is located this surface is equipped with terminal 8, terminal 8 is used for passing through pin connection with the power supply table, the one end and the terminal 8 electric connection that corresponds of lead wire, the other end is connected with the leading-out terminal electricity on the power supply table, light load 2 passes through wire and terminal 8 electric connection, constitute complete detection circuitry.
The portable casing 7 is provided with a mobile power supply part 9, and the mobile power supply part 9 is used for providing working power supply for the embedded CPU1, the LCD display part 3, the amplifying element 5 and the AD conversion module 6, so that the normal work of the detection instrument is ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A power electricity larceny prevention detection method is characterized by comprising the following steps:
firstly, opening an electric meter box;
secondly, connecting and fixing leads respectively to a live wire terminal and a zero line terminal of the power supply meter to be detected;
then, connecting the detection instrument with a power supply meter outlet end through a lead, and starting the detection instrument;
then, displaying the current flowing through the instrument load on the detection instrument, and comparing the change value of the current indication value on the detected power supply meter with the magnitude of the current displayed on the detection instrument;
finally, if the change value of the current indication value on the power supply meter is the same as the magnitude of the current displayed on the detection instrument, no electricity stealing is caused; if the change value of the current indication value on the power supply meter is different from the magnitude of the current displayed on the detection instrument, the detected power supply meter wiring adopts an abnormal means, namely electricity stealing exists.
2. An electricity larceny prevention detection instrument for the electricity larceny prevention detection method according to claim 1, comprising:
the device comprises an embedded CPU, a light load, an LCD display part, a current detection element, an amplification element and an AD conversion module;
the light load is connected with a wire outlet end of a power supply meter to be detected;
the current detection element is connected with the light load in series and is used for detecting the size of the sinusoidal alternating current passing through the light load;
the signal input end of the amplifying element is electrically connected with the signal output end of the current detection element;
the signal output end of the amplifying element is electrically connected with the signal input end of the AD conversion module;
the signal output end of the AD conversion module is electrically connected with the signal input end of the LCD display part;
the amplifying element and the AD conversion module are integrated on the embedded CPU.
3. The electric power larceny prevention detection instrument according to claim 2, characterized in that: the embedded CPU, the light load, the LCD display part, the current detection element, the amplification element and the AD conversion module are all located inside the portable shell, the LCD display part is embedded in the upper portion of the surface of the portable shell, a binding post is arranged on the lower portion of the surface of the portable shell, one end of the lead is electrically connected with the corresponding binding post, and the light load is electrically connected with the binding post through a lead.
4. The electric power larceny prevention detection instrument according to claim 3, characterized in that: the portable shell is provided with a mobile power supply part, and the mobile power supply part is used for providing a working power supply for the embedded CPU, the LCD display part, the amplifying element and the AD conversion module.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113311204A (en) * | 2021-04-14 | 2021-08-27 | 国网山东省电力公司淄博供电公司 | Portable anti-electricity-theft detection equipment and method thereof |
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CN1793994A (en) * | 2005-12-29 | 2006-06-28 | 电子科技大学 | Monitoring method of electric current secondary loop short circuit and monitoring instrument |
CN201993464U (en) * | 2011-03-21 | 2011-09-28 | 安徽省电力公司阜阳供电公司 | Intelligent detector for electric energy meter |
CN102331570A (en) * | 2011-06-20 | 2012-01-25 | 辽宁省电力有限公司丹东供电公司 | Electric energy meter on-line detection method |
CN104020328A (en) * | 2014-04-29 | 2014-09-03 | 国网上海市电力公司 | Electric larceny preventive electric meter box |
CN108226595A (en) * | 2018-01-03 | 2018-06-29 | 国网山东省电力公司平邑县供电公司 | The anti-electricity-theft detector of portable electronic intelligent electric energy meter |
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2020
- 2020-07-02 CN CN202010625552.7A patent/CN111856103A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1793994A (en) * | 2005-12-29 | 2006-06-28 | 电子科技大学 | Monitoring method of electric current secondary loop short circuit and monitoring instrument |
CN201993464U (en) * | 2011-03-21 | 2011-09-28 | 安徽省电力公司阜阳供电公司 | Intelligent detector for electric energy meter |
CN102331570A (en) * | 2011-06-20 | 2012-01-25 | 辽宁省电力有限公司丹东供电公司 | Electric energy meter on-line detection method |
CN104020328A (en) * | 2014-04-29 | 2014-09-03 | 国网上海市电力公司 | Electric larceny preventive electric meter box |
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CN113311204A (en) * | 2021-04-14 | 2021-08-27 | 国网山东省电力公司淄博供电公司 | Portable anti-electricity-theft detection equipment and method thereof |
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Application publication date: 20201030 |