CN103983941B - A kind of user's electric energy meter detection method and system - Google Patents
A kind of user's electric energy meter detection method and system Download PDFInfo
- Publication number
- CN103983941B CN103983941B CN201410216918.XA CN201410216918A CN103983941B CN 103983941 B CN103983941 B CN 103983941B CN 201410216918 A CN201410216918 A CN 201410216918A CN 103983941 B CN103983941 B CN 103983941B
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency current
- electric energy
- frequency
- energy meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 189
- 239000000284 extract Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims description 18
- 238000000605 extraction Methods 0.000 claims description 16
- 238000007689 inspection Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Telephonic Communication Services (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
This application provides a kind of user's electric energy meter detection method, based on the user's detection system of electric energy meter including apparatus for transmitting signal and multiple signal detection apparatus, apparatus for transmitting signal is connected with the test user side of current detection task, each tested electric energy meter of current detection task each connects a signal detection apparatus, apparatus for transmitting signal is for coupleding to electrical network by high-frequency current signal, and method includes: in current detection task, each signal detection apparatus extracts high-frequency current signal respectively from the power network signal of the tested electric energy meter one end each connected；Extract each signal detection apparatus of institute's high-frequency current signal, calculate the signal intensity of the high-frequency current signal each extracted respectively, for each signal intensity is compared, determining the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest, the tested electric energy meter connected is the electric energy meter of test user side.Therefore, the application improves convenience, improves user experience.
Description
Technical field
The application relates to field of power, particularly to a kind of user's electric energy meter detection method and system.
Background technology
China's power distribution network has that line construction is complicated, environment various changeable, faults frequent is complicated, safeguard work
The features such as work amount is big.In resident's power distribution network, workmen is because carelessness is by the distribution of two or more residents
Circuit to corresponding electric energy meter misconnection, causes producing when charge calculation unnecessary dispute with it.
The distribution line of misconnection is tested, the most only by observing electric energy meter after user's power-off
State judge, but this mode there is problems in that 1, power-off needs to obtain two parties
Agree to so that in coordination, difficulty increases；2, power-off and telegram in reply may result in the damage of household electrical appliance,
Extra dispute can be produced.Visible, user is carried out power-off test, portability difference and user experience are poor.
Summary of the invention
For solving above-mentioned technical problem, the embodiment of the present application provides a kind of user's electric energy meter detection method and is
System, to reach to improve convenience, improves the purpose of user experience, and technical scheme is as follows:
A kind of user's electric energy meter detection method, based on including apparatus for transmitting signal and multiple signal detection apparatus
User's detection system of electric energy meter, the test user side phase of described apparatus for transmitting signal and current detection task
Even, each tested electric energy meter of described current detection task each connects a signal detection apparatus, described
Apparatus for transmitting signal is for coupleding to electrical network by high-frequency current signal, and the frequency of described high-frequency current signal is big
In 50Hz, described method includes:
In described current detection task, each signal detection apparatus is respectively from the tested electric energy meter each connected
The power network signal of one end extracts described high-frequency current signal；
Extract each signal detection apparatus of described high-frequency current signal, calculate respectively and each extracted
The signal intensity of high-frequency current signal, for each signal intensity is compared, determine signal intensity
The strongest signal detection apparatus corresponding to high-frequency current signal, the tested electric energy meter connected is described survey
The electric energy meter of examination user side.
Preferably, at described each signal detection apparatus extracting described high-frequency current signal, count respectively
After calculating the signal intensity of the high-frequency current signal each extracted, also include:
Extract each signal detection apparatus of described high-frequency current signal, show respectively and each extracted
The signal intensity of high-frequency current signal.
Preferably, at described each signal detection apparatus extracting described high-frequency current signal, count respectively
After calculating the signal intensity of the high-frequency current signal each extracted, also include:
Extract each signal detection apparatus of described high-frequency current signal, send each to host computer respectively
The signal intensity of the high-frequency current signal extracted, is carried out each signal intensity for described host computer
Relatively, determine the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest, connected
Tested electric energy meter is the electric energy meter of described test user side, and exports result.
Preferably, in described current detection task any one signal detection apparatus from described signal detection apparatus
The power network signal of standby tested electric energy meter one end connected extracts the process of described high-frequency current signal, bag
Include:
High-pass filtering module in described signal detection apparatus filters in described power network signal except described high frequency
Signal outside current signal, determines that the signal obtained after filtering is high-frequency current signal；
Obtain the signal obtained after filtering.
Preferably, described any one signal detection apparatus of current detection task is from described signal detection apparatus
The power network signal of the tested electric energy meter one end connected extracts the process of described high-frequency current signal, including:
The frequency of the described signal detection apparatus detection each signal included by described power network signal；And,
Determine that the signal that frequency is identical with the frequency of described high-frequency current signal is high-frequency current signal；With
And,
Obtain the signal that frequency is identical with the frequency of described high-frequency current signal.
A kind of user's detection system of electric energy meter, including: apparatus for transmitting signal and multiple signal detection apparatus,
Described apparatus for transmitting signal is connected with the test user side of current detection task, described current detection task
Each tested electric energy meter each connects a signal detection apparatus, wherein:
Described apparatus for transmitting signal, for coupleding to electrical network by high-frequency current signal；
Described signal detection apparatus includes: extraction module, for the quilt connected from described signal detection apparatus
Survey in the power network signal of electric energy meter one end and extract described high-frequency current signal；
Computing module, for after extracting described high-frequency current signal, calculates the high-frequency electrical extracted
The signal intensity of stream signal, for comparing each signal intensity, determines the height that signal intensity is the strongest
Frequently the signal detection apparatus corresponding to current signal, the tested electric energy meter connected is described test user side
Electric energy meter.
Preferably, described signal detection apparatus also includes:
Display module, for the signal intensity of the high-frequency current signal that display is extracted.
Preferably, described signal detection apparatus also includes:
Sending module, for sending the signal intensity of the high-frequency current signal extracted to host computer, uses
In described host computer, each signal intensity is compared, determine the high-frequency current signal that signal intensity is the strongest
Corresponding signal detection apparatus, the tested electric energy meter connected is the electric energy meter of described test user side.
Preferably, described extraction module includes:
High pass filter unit, for filtering in described power network signal the letter in addition to described high-frequency current signal
Number；
First determines unit, for determine filter after the signal that obtains be high-frequency current signal；
First acquiring unit, the signal obtained after acquisition filters.
Preferably, described extraction module includes:
Detector unit, for detecting the frequency of each signal included by described power network signal；
Second determines unit, for determining the letter that described frequency is identical with the frequency of described high-frequency current signal
Number it is high-frequency current signal；
Second acquisition unit, for obtaining the signal that frequency is identical with the frequency of described high-frequency current signal.
Compared with prior art, the having the beneficial effect that of the application
In this application, the test user side in current detection task connects apparatus for transmitting signal, at quilt
Survey electric energy meter one end and connect signal detection apparatus, in the case of not power-off, in current detection task
Each signal detection apparatus extracts respectively from the power network signal of the tested electric energy meter one end each connected
High-frequency current signal, each signal detection apparatus of the high-frequency current signal extracted, calculate respectively
The signal intensity of the high-frequency current signal each extracted, is calculating extracted high frequency electric
After the signal intensity of signal, just each signal intensity can be compared, determine that signal intensity is the strongest
The signal detection apparatus corresponding to high-frequency current signal, the tested electric energy meter connected for test use
The electric energy meter of family end.
Owing to whole detection process is without power-off, i.e. can determine that the electric energy meter of test user side, therefore
Need not coordinates user power-off, and avoid the damage of the household electrical appliance caused because of power-off and telegram in reply,
Improve convenience, and improve user experience.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present application, embodiment will be described below
The accompanying drawing used required in is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is only some embodiments of the application, for those of ordinary skill in the art, is not paying wound
On the premise of the property made is laborious, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of operating diagram of user's detection system of electric energy meter that the application provides；
Fig. 2 is a kind of flow chart of user's electric energy meter detection method that the application provides；
Fig. 3 is the another kind of flow chart of user's electric energy meter detection method that the application provides；
Fig. 4 is another flow chart of user's electric energy meter detection method that the application provides；
Fig. 5 is a kind of sub-process figure of user's electric energy meter detection method that the application provides；
Fig. 6 is the another kind of sub-process figure of user's electric energy meter detection method that the application provides；
Fig. 7 is a kind of structural representation of user's detection system of electric energy meter that the application provides；
Fig. 8 is a kind of structural representation of the signal detection apparatus that the application provides；
Fig. 9 is the another kind of structural representation of the signal detection apparatus that the application provides；
Figure 10 is the yet another construction schematic diagram of the signal detection apparatus that the application provides；
Figure 11 is a kind of structural representation of the extraction module that the application provides；
Figure 12 is the another kind of structural representation of the extraction module that the application provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present application, to the technical scheme in the embodiment of the present application
It is clearly and completely described, it is clear that described embodiment is only that the application part is real
Execute example rather than whole embodiments.Based on the embodiment in the application, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into this
The scope of application protection.
This application provides a kind of user's electric energy meter detection method, user's electric energy meter detection method based on
User's detection system of electric energy meter, wherein, user's detection system of electric energy meter includes that apparatus for transmitting signal is with many
Individual signal detection apparatus, described apparatus for transmitting signal is connected with the test user side of current detection task, institute
Each the tested electric energy meter stating current detection task each connects a signal detection apparatus, and described signal is sent out
Sending equipment for high-frequency current signal coupled to electrical network, the frequency of described high-frequency current signal is more than
50Hz。
Apparatus for transmitting signal, by connecting live wire and the zero line of 220V, accesses test user side.And believe
Number sending equipment can be adaptive with any household socket, powers for apparatus for transmitting signal and passes through socket by height
Frequently during current signal coupled to electrical network.Certainly, apparatus for transmitting signal can also be powered by self-contained battery.
Concrete, apparatus for transmitting signal includes: high-frequency current signal generation module, is used for generating height
Frequently current signal.The frequency of high-frequency current signal can be the arbitrary value in the range of 100kHz-30MHz.
Apparatus for transmitting signal includes: coupling module, for described high-frequency current signal is coupled to electricity
Net.
Certainly, apparatus for transmitting signal can also include: power amplifier module, for by described height
Frequently, before current signal coupled to electrical network, the power of described high-frequency current signal is amplified.
The operating diagram of user's detection system of electric energy meter may refer to Fig. 1, and wherein, user A bears
Carrying the user test end for current detection task, electric energy meter A and electric energy meter B is current detection task
In tested electric energy meter.Apparatus for transmitting signal is connected with user A load, and electric energy meter A connects one
Signal detection apparatus, electric energy meter B connects a signal detection apparatus.
Embodiment one
Refer to Fig. 2, it illustrates a kind of flow process of user's electric energy meter detection method that the application provides
Figure, may comprise steps of:
Step S21: in described current detection task, each signal detection apparatus is respectively from the quilt each connected
Survey in the power network signal of electric energy meter one end and extract described high-frequency current signal.
Step S22: extract each signal detection apparatus of described high-frequency current signal, calculate each respectively
From the signal intensity of the high-frequency current signal extracted, for each signal intensity being compared, really
Determine the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest, the tested electric energy connected
Table is the electric energy meter of described test user side.
In the present embodiment, extract each signal detection apparatus of described high-frequency current signal, respectively
Calculate the signal intensity of the high-frequency current signal each extracted, for each signal intensity is entered
Row compares, and determines the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest, is connected
The electric energy meter that tested electric energy meter is described test user side.
In this application, the test user side in current detection task connects apparatus for transmitting signal, at quilt
Survey electric energy meter one end and connect signal detection apparatus, in the case of not power-off, in current detection task
Each signal detection apparatus extracts respectively from the power network signal of the tested electric energy meter one end each connected
High-frequency current signal, each signal detection apparatus of the high-frequency current signal extracted, calculate respectively
The signal intensity of the high-frequency current signal each extracted, is calculating extracted high frequency electric
After the signal intensity of signal, just each signal intensity can be compared, determine that signal intensity is the strongest
The signal detection apparatus corresponding to high-frequency current signal, the tested electric energy meter connected for test use
The electric energy meter of family end.
Owing to whole detection process is without power-off, i.e. can determine that the electric energy meter of test user side, therefore
Need not coordinates user power-off, and avoid the damage of the household electrical appliance caused because of power-off and telegram in reply,
Improve convenience, and improve user experience.
Embodiment two
In the present embodiment, expand on the basis of the user's electric energy meter detection method shown in Fig. 2 separately
Outer a kind of user's electric energy meter detection method, refers to the user that Fig. 3, Fig. 3 show that the application provides
The another kind of flow chart of electric energy meter detection method, may comprise steps of:
Step S31: in described current detection task, each signal detection apparatus is respectively from the quilt each connected
Survey in the power network signal of electric energy meter one end and extract described high-frequency current signal.
Step S32: extract each signal detection apparatus of described high-frequency current signal, calculate each respectively
Signal intensity from the high-frequency current signal extracted.
Step S33: extracting each signal detection apparatus of described high-frequency current signal, display is each respectively
Signal intensity from the high-frequency current signal extracted.
In the present embodiment, staff is by checking each letter extracting described high-frequency current signal
Number detection equipment, the signal intensity of the high-frequency current signal each extracted shown respectively, right
Each signal intensity of display compares, and determines the high-frequency current signal institute that signal intensity is the strongest
The tested electric energy meter that corresponding signal detection apparatus is connected is the electric energy of described test user side
Table.
Embodiment three
In the present embodiment, expand on the basis of the user's electric energy meter detection method shown in Fig. 2 separately
Outer a kind of user's electric energy meter detection method, refers to the user that Fig. 4, Fig. 4 show that the application provides
Another flow chart of electric energy meter detection method, may comprise steps of:
Step S41: in described current detection task, each signal detection apparatus is respectively from the quilt each connected
Survey in the power network signal of electric energy meter one end and extract described high-frequency current signal.
Step S42: extract each signal detection apparatus of described high-frequency current signal, calculate each respectively
Signal intensity from the high-frequency current signal extracted.
Step S43: extract each signal detection apparatus of described high-frequency current signal, respectively to upper
Machine sends the signal intensity of the high-frequency current signal each extracted, and believes each for described host computer
Number intensity compares, and determines the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest
The electric energy meter that tested electric energy meter is described test user side that is standby, that connected, and export result.
In the present embodiment, each signal detection apparatus of described high-frequency current signal is extracted, each
After the signal intensity calculating the high-frequency current signal each extracted, send out to host computer respectively
Send the signal intensity of the high-frequency current signal each extracted.
Host computer is after receiving the signal intensity that each signal detection apparatus sends, strong to each signal
Degree compares, and determines the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest
The tested electric energy meter connected is the electric energy meter of described test user side, and by defeated for the result determined
Go out.
Embodiment four
In the present embodiment, thus it is shown that in current detection task, each signal detection apparatus is respectively from respectively
The process of described high-frequency current signal is extracted in the power network signal of the tested electric energy meter one end connected, due to
Each signal detection apparatus extracts described height from the power network signal of the tested electric energy meter one end each connected
Frequently the process of current signal is identical, and therefore any one signal in current detection task is only examined by the present embodiment
The power network signal of the one end of the tested electric energy meter that measurement equipment connects from this signal detection apparatus extract described
The process of high-frequency current signal illustrates, and refers to the user that Fig. 5, Fig. 5 show that the application provides
A kind of sub-process figure of electric energy meter detection method, may comprise steps of:
Step S51: the high-pass filtering module in described signal detection apparatus filters in described power network signal to be removed
Signal outside described high-frequency current signal, determines that the signal obtained after filtering is high-frequency current signal.
In the present embodiment, high-pass filtering module is set for being only capable of being filtered high-frequency current signal.
If high-pass filtering module filters the signal in described power network signal in addition to described high-frequency current signal
After, there is signal output, it is determined that the signal obtained after filtering is high-frequency current signal.
In the present embodiment, high-pass filtering module specifically can be realized by current transducer.
Step S52: obtain the signal obtained after filtering.
The signal obtained after filtering is obtained and i.e. high-frequency current signal is obtained.
The present embodiment additionally provide in another current detection task any one signal detection apparatus from
The power network signal of the one end of the tested electric energy meter that this signal detection apparatus connects extracts described high frequency electric
The process of signal, refers to user's electric energy meter detection method that Fig. 6, Fig. 6 show that the application provides
Another kind of sub-process figure, may comprise steps of:
Step S61: the frequency of the described signal detection apparatus detection each signal included by described power network signal
Rate.
Step S62: described signal detection apparatus determines that frequency is identical with the frequency of described high-frequency current signal
Signal be high-frequency current signal.
Step S63: it is identical with the frequency of described high-frequency current signal that described signal detection apparatus obtains frequency
Signal.
The frequency that described signal detection apparatus gets is identical with the frequency of described high-frequency current signal
Signal i.e. completes the extraction of high-frequency current signal.
For aforesaid each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the application is not by described dynamic
The restriction of work order, because according to the application, some step can use other orders or simultaneously
Carry out.Secondly, those skilled in the art also should know, embodiment described in this description is equal
Belong to preferred embodiment, necessary to involved action and module not necessarily the application.
Embodiment five
In the present embodiment, it is shown that user's detection system of electric energy meter that the application provides, figure is referred to
7, Fig. 7 a kind of structural representations showing user's detection system of electric energy meter that the application provides, use
Family detection system of electric energy meter includes: apparatus for transmitting signal 71 and multiple signal detection apparatus 72.
Described apparatus for transmitting signal 71 is connected with the test user side of current detection task, described current inspection
Each tested electric energy meter of survey task each connects a signal detection apparatus 72.
Described apparatus for transmitting signal 71, for coupleding to electrical network by high-frequency current signal.
The function of each signal detection apparatus 72 is the most identical with structure, in the present embodiment, to current inspection
Function and the structure of any one signal detection apparatus 72 in survey task illustrate.
Signal detection apparatus 72, for from tested electric energy meter one end that described signal detection apparatus connects
Power network signal extracts described high-frequency current signal, after extracting described high-frequency current signal, calculates institute
The signal intensity of the high-frequency current signal extracted, for comparing each signal intensity, determines letter
Signal detection apparatus number corresponding to the high-frequency current signal that intensity is the strongest, the tested electric energy meter connected is
The electric energy meter of described test user side.
The concrete structure of signal detection apparatus 72 refers to the signal that Fig. 8, Fig. 8 show that the application provides
A kind of structural representation of detection equipment, signal detection apparatus 72 includes:
Extraction module 721, the electricity of the tested electric energy meter one end for connecting from described signal detection apparatus 72
Net signal extracts described high-frequency current signal.
Computing module 722, for after extracting described high-frequency current signal, calculates the height extracted
Frequently the signal intensity of current signal, for comparing each signal intensity, determines that signal intensity is the strongest
The signal detection apparatus 72 corresponding to high-frequency current signal, the tested electric energy meter connected is described test
The electric energy meter of user side.
Embodiment six
In the present embodiment, on the basis of the signal detection apparatus shown in Fig. 8, another is expanded
Signal detection apparatus, refers to the another of the signal detection apparatus that Fig. 9, Fig. 9 show that the application provides
A kind of structural representation, also includes on the basis of the signal detection apparatus shown in Fig. 8:
Display module 91, for the signal intensity of the high-frequency current signal that display is extracted.
In the present embodiment, on the basis of the signal detection apparatus shown in Fig. 8, also expand other one
Plant signal detection apparatus, refer to the signal detection apparatus that Figure 10, Figure 10 show that the application provides
Yet another construction schematic diagram, also include on the basis of the signal detection apparatus shown in Fig. 8:
Sending module 101 is strong for sending the signal of the high-frequency current signal extracted to host computer
Degree, compares each signal intensity for described host computer, determines the high-frequency electrical that signal intensity is the strongest
Stream signal detection apparatus corresponding to signal, the tested electric energy meter connected is the electricity of described test user side
Can table.
In the above-described embodiments, the concrete structure of extraction module 721 may refer to Figure 11, Figure 11 and illustrates
A kind of structural representation of the extraction module that the application provides, extraction module 721 includes: high-pass filtering
Unit 111, first determine unit 112 and the first acquiring unit 113.
High pass filter unit 111, is used for filtering in described power network signal in addition to described high-frequency current signal
Signal.
First determines unit 112, for determine filter after the signal that obtains be high-frequency current signal.
First acquiring unit 113, the signal obtained after acquisition filters.
In the above-described embodiments, the concrete structure of extraction module 721 shows referring also to Figure 12, Figure 12
Having gone out the another kind of structural representation of the extraction module that the application provides, extraction module 721 includes: detection
Unit 121, second determine unit 122 and second acquisition unit 123.
Detector unit 121, for detecting the frequency of each signal included by described power network signal.
Second determines unit 122, for determining that described frequency is identical with the frequency of described high-frequency current signal
Signal be high-frequency current signal.
Second acquisition unit 123, for obtaining the letter that frequency is identical with the frequency of described high-frequency current signal
Number.
It should be noted that each embodiment in this specification all uses the mode gone forward one by one to describe,
What each embodiment stressed is the difference with other embodiments, between each embodiment
Identical similar part sees mutually.For device class embodiment, due to itself and method
Embodiment basic simlarity, so describe is fairly simple, relevant part sees the portion of embodiment of the method
Defend oneself bright.
Finally, in addition it is also necessary to explanation, in this article, the relation of such as first and second or the like
Term is used merely to separate an entity or operation with another entity or operating space, and not
Necessarily require or imply and there is the relation of any this reality or suitable between these entities or operation
Sequence.And, term " includes ", " comprising " or its any other variant are intended to nonexcludability
Comprise, so that include that the process of a series of key element, method, article or equipment not only include
Those key elements, but also include other key elements being not expressly set out, or also include for this
The key element that process, method, article or equipment are intrinsic.In the case of there is no more restriction,
The key element limited by statement " including ... ", it is not excluded that including the process of described key element, side
Method, article or equipment there is also other identical element.
For convenience of description, it is divided into various unit to be respectively described with function when describing apparatus above.Certainly,
The function of each unit can be realized in same or multiple softwares and/or hardware when implementing the application.
As seen through the above description of the embodiments, those skilled in the art can be clearly
Solve the application to add the mode of required general hardware platform by software and realize.Based on so
Understanding, the part that prior art is contributed by the technical scheme of the application the most in other words can
Embodying with the form with software product, this computer software product can be stored in storage medium
In, such as ROM/RAM, magnetic disc, CD etc., instruct with so that a computer sets including some
Standby (can be personal computer, server, or the network equipment etc.) performs the application, and each is real
Execute the method described in some part of example or embodiment.
Above a kind of user's electric energy meter detection method provided herein and system are carried out detailed Jie
Continuing, principle and the embodiment of the application are set forth by specific case used herein, above reality
Execute the explanation of example to be only intended to help and understand the present processes and core concept thereof；Simultaneously for ability
The those skilled in the art in territory, according to the thought of the application, the most all can
Change part, and in sum, this specification content should not be construed as the restriction to the application.
Claims (10)
1. user's electric energy meter detection method, it is characterised in that based on include apparatus for transmitting signal and
User's detection system of electric energy meter of multiple signal detection apparatus, described apparatus for transmitting signal is appointed with current detection
The test user side of business is connected, and each tested electric energy meter of described current detection task each connects a letter
Number detection equipment, described apparatus for transmitting signal for coupleding to electrical network, described high frequency by high-frequency current signal
The frequency of current signal is more than 50Hz, and described method includes:
In described current detection task, each signal detection apparatus is respectively from the tested electric energy meter each connected
The power network signal of one end extracts described high-frequency current signal；
Extract each signal detection apparatus of described high-frequency current signal, calculate respectively and each extracted
The signal intensity of high-frequency current signal, for each signal intensity is compared, determine signal intensity
The strongest signal detection apparatus corresponding to high-frequency current signal, the tested electric energy meter connected is described survey
The electric energy meter of examination user side.
Method the most according to claim 1, it is characterised in that extract described high frequency described
Each signal detection apparatus of current signal, calculates the letter of the high-frequency current signal each extracted respectively
After number intensity, also include:
Extract each signal detection apparatus of described high-frequency current signal, show respectively and each extracted
The signal intensity of high-frequency current signal.
Method the most according to claim 1, it is characterised in that extract described high frequency described
Each signal detection apparatus of current signal, calculates the letter of the high-frequency current signal each extracted respectively
After number intensity, also include:
Extract each signal detection apparatus of described high-frequency current signal, send each to host computer respectively
The signal intensity of the high-frequency current signal extracted, is carried out each signal intensity for described host computer
Relatively, determine the signal detection apparatus corresponding to the high-frequency current signal that signal intensity is the strongest, connected
Tested electric energy meter is the electric energy meter of described test user side, and exports result.
4. according to the method described in claim 1-3 any one, it is characterised in that described current inspection
The tested electric energy meter one that in survey task, any one signal detection apparatus connects from described signal detection apparatus
The power network signal of end extracts the process of described high-frequency current signal, including:
High-pass filtering module in described signal detection apparatus filters in described power network signal except described high frequency
Signal outside current signal, determines that the signal obtained after filtering is high-frequency current signal；
Obtain the signal obtained after filtering.
5. according to the method described in claim 1-3 any one, it is characterised in that described current inspection
Tested electric energy meter one end that any one signal detection apparatus of survey task connects from described signal detection apparatus
Power network signal in extract the process of described high-frequency current signal, including:
The frequency of the described signal detection apparatus detection each signal included by described power network signal；And,
Determine that the signal that frequency is identical with the frequency of described high-frequency current signal is high-frequency current signal；With
And,
Obtain the signal that frequency is identical with the frequency of described high-frequency current signal.
6. user's detection system of electric energy meter, it is characterised in that including: apparatus for transmitting signal is with many
Individual signal detection apparatus, described apparatus for transmitting signal is connected with the test user side of current detection task, institute
Each the tested electric energy meter stating current detection task each connects a signal detection apparatus, wherein:
Described apparatus for transmitting signal, for coupleding to electrical network by high-frequency current signal；
Described signal detection apparatus includes: extraction module, for the quilt connected from described signal detection apparatus
Survey in the power network signal of electric energy meter one end and extract described high-frequency current signal；
Computing module, for after extracting described high-frequency current signal, calculates the high-frequency electrical extracted
The signal intensity of stream signal, for comparing each signal intensity, determines the height that signal intensity is the strongest
Frequently the signal detection apparatus corresponding to current signal, the tested electric energy meter connected is described test user side
Electric energy meter.
System the most according to claim 6, it is characterised in that described signal detection apparatus also wraps
Include:
Display module, for the signal intensity of the high-frequency current signal that display is extracted.
System the most according to claim 6, it is characterised in that described signal detection apparatus also wraps
Include:
Sending module, for sending the signal intensity of the high-frequency current signal extracted to host computer, uses
In described host computer, each signal intensity is compared, determine the high-frequency current signal that signal intensity is the strongest
Corresponding signal detection apparatus, the tested electric energy meter connected is the electric energy meter of described test user side.
9. according to the system described in claim 6-8 any one, it is characterised in that described extraction mould
Block includes:
High pass filter unit, for filtering in described power network signal the letter in addition to described high-frequency current signal
Number；
First determines unit, for determine filter after the signal that obtains be high-frequency current signal；
First acquiring unit, the signal obtained after acquisition filters.
10. according to the system described in claim 6-8 any one, it is characterised in that described extraction mould
Block includes:
Detector unit, for detecting the frequency of each signal included by described power network signal；
Second determines unit, for determining the letter that described frequency is identical with the frequency of described high-frequency current signal
Number it is high-frequency current signal；
Second acquisition unit, for obtaining the signal that frequency is identical with the frequency of described high-frequency current signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216918.XA CN103983941B (en) | 2014-05-21 | 2014-05-21 | A kind of user's electric energy meter detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410216918.XA CN103983941B (en) | 2014-05-21 | 2014-05-21 | A kind of user's electric energy meter detection method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103983941A CN103983941A (en) | 2014-08-13 |
| CN103983941B true CN103983941B (en) | 2016-08-24 |
Family
ID=51275984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410216918.XA Active CN103983941B (en) | 2014-05-21 | 2014-05-21 | A kind of user's electric energy meter detection method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103983941B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329033B (en) * | 2017-07-25 | 2019-12-31 | 南方电网科学研究院有限责任公司 | Electric energy meter house lead-in line detection system and detection method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281802U (en) * | 2011-09-22 | 2012-06-20 | 深圳市锐能微科技有限公司 | Three-phase three-wire electric energy meter |
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN202631601U (en) * | 2012-06-20 | 2012-12-26 | 孟村回族自治县电力局 | High frequency detection electricity larceny prevention device |
| CN202817691U (en) * | 2012-10-12 | 2013-03-20 | 武安市供电公司 | High-frequency electricity larceny prevention alarm protector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005094154A2 (en) * | 2004-03-31 | 2005-10-13 | Kamstrup A/S | Method and device for detecting an external antenna |
| JP5130220B2 (en) * | 2005-10-20 | 2013-01-30 | アイトロン インコーポレイテッド | Automatic detection system and device for abnormal consumption with a practical meter |
-
2014
- 2014-05-21 CN CN201410216918.XA patent/CN103983941B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540131A (en) * | 2010-12-15 | 2012-07-04 | 河南省电力公司开封供电公司 | Instrument examination method based on electrical energy metering |
| CN202281802U (en) * | 2011-09-22 | 2012-06-20 | 深圳市锐能微科技有限公司 | Three-phase three-wire electric energy meter |
| CN202631601U (en) * | 2012-06-20 | 2012-12-26 | 孟村回族自治县电力局 | High frequency detection electricity larceny prevention device |
| CN202817691U (en) * | 2012-10-12 | 2013-03-20 | 武安市供电公司 | High-frequency electricity larceny prevention alarm protector |
Non-Patent Citations (2)
| Title |
|---|
| 低压电力线载波通信测试系统的研制;孙洪亮等;《电测与仪表》;20091231;第46卷(第12A期);36-39 * |
| 电能表的错误接线及其检查方法;刘锦华;《科技情报开发与经济》;20111231;第21卷(第20期);202-204 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103983941A (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107025365A (en) | A kind of non-intruding load discrimination method for user side | |
| CN202916357U (en) | Comprehensive test instrument for power transformer winding deformation | |
| CN104132610A (en) | Distribution network transformer low-voltage winding deformation belt electric detection device and method | |
| CN206584008U (en) | Transformer hidden danger is discharged and winding deformation monitoring device | |
| CN206074741U (en) | A kind of detection circuit for grounding net defect diagnosis | |
| CN104330615B (en) | The how identical survey devices and methods therefor of arrester and transformer based on fft algorithm | |
| CN103926494B (en) | A kind of determination method and device of interference source | |
| CN103983941B (en) | A kind of user's electric energy meter detection method and system | |
| CN104965943A (en) | Single-phase transformer high-frequency model establishing method based on VF method | |
| CN104849552A (en) | Adaptive-notch-filter-based harmonic wave extraction method | |
| CN205506925U (en) | Take GPS to shunt measuring earthing device performance parameters comprehensive testing device in step | |
| CN105891602B (en) | A kind of earthing or grounding means GPS shunting phase shift test method and system | |
| CN108490254A (en) | A kind of broadband multi-frequency signal measurement method based on more algorithm fusions | |
| CN203745579U (en) | Frequency characteristic test instrument based on waveform superposition | |
| CN204302431U (en) | Indoor electric line fault testing device | |
| CN103344894B (en) | A kind of UHV (ultra-high voltage) operation signal acquiring system | |
| CN203929928U (en) | The anti-isolated island energy of a kind of grid-connected converter force checking device | |
| CN208350896U (en) | A kind of measuring device of harmonic wave | |
| CN203479949U (en) | Electric leakage detection apparatus | |
| CN203232128U (en) | Portable device for cable joint local discharging detection | |
| CN105277795A (en) | Grounding impedance monitoring collecting analyzer | |
| CN203193385U (en) | State monitoring system for transformer and GIS (Gas Insulated Switchgear) of transformer station | |
| CN204143613U (en) | A kind of capacitive current transformer major insulation state specialty inspection device | |
| CN206258596U (en) | A kind of ground nuclear magnetic resonance sampling apparatus | |
| CN105759116A (en) | Low-voltage power line power grid frequency collection device and frequency measurement algorithm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |