CN105223537B - A kind of electric energy meter is visited one house after another detection device and method - Google Patents

A kind of electric energy meter is visited one house after another detection device and method Download PDF

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Publication number
CN105223537B
CN105223537B CN201510751088.5A CN201510751088A CN105223537B CN 105223537 B CN105223537 B CN 105223537B CN 201510751088 A CN201510751088 A CN 201510751088A CN 105223537 B CN105223537 B CN 105223537B
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China
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signal
electric energy
energy meter
measured
user
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CN105223537A (en
Inventor
欧习洋
唐晓泽
侯兴哲
周孔均
周全
何蓓
郑可
刘型志
林伟
魏麟
张进
杨芾藜
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CHONGQING YUDIAN ELECTRIC POWER TECHNOLOGY Co Ltd
Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
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CHONGQING YUDIAN ELECTRIC POWER TECHNOLOGY Co Ltd
Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by CHONGQING YUDIAN ELECTRIC POWER TECHNOLOGY Co Ltd, Electric Power Research Institute of State Grid Chongqing Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical CHONGQING YUDIAN ELECTRIC POWER TECHNOLOGY Co Ltd
Priority to CN201510751088.5A priority Critical patent/CN105223537B/en
Publication of CN105223537A publication Critical patent/CN105223537A/en
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Abstract

It visits one house after another detection device and method this application provides a kind of electric energy meter, after the transmission line of electricity of user to be measured being sent to by the default specific waveforms signal for generating signal generator, current sample is carried out to the transmission line of electricity of electric energy meter to be measured by signal receiver, and it whether verifies in the sampled current signals of acquisition comprising the default specific waveforms signal, at this time, can accurately be learnt based on the verification result electric energy meter to be measured whether be the user to be measured electric energy meter, without having a power failure, it can fast and accurately realize visit one house after another investigation and the verification of family table relationship, ensure the accurately and securely property of user power utilization metering, the influence to user's normal electricity consumption is avoided simultaneously, and without the mutual cooperation between user, it greatly improves work efficiency.

Description

A kind of electric energy meter is visited one house after another detection device and method
Technical field
Present application relates generally to electric energy meter installation check field, more specifically a kind of electric energy meter visit one house after another detection device and Method.
Background technology
During the installation wiring of electric energy meter, the circuit between electric energy meter and user is hidden by objects such as walls Gear, often will appear and the outlet of electric energy meter A is connected on user B, so as to cause metering mistake.So being installed in staff After the electric energy meter of each user in the areas Wan Gai, it usually can all carry out field electric energy table and visit one house after another investigation, so that it is guaranteed that electric energy meter circuit is correct Reliably.
It visits one house after another this case to investigate electric energy meter, the mode of prior art generally use switch circuit breaking one by one, then arrive institute It is possible that the user's family visited one house after another checks whether power failure, so that it is determined that the electric energy meter installed and subscribers' line correspondence, this Kind mode not only affects the normal electricity consumption of user, but also needs multiple users' cooperations, and working efficiency is extremely low.
Invention content
In view of this, visiting one house after another detection device and method the present invention provides a kind of electric energy meter, solves existing short circuit inspection Survey mode influences the technical issues of normal electricity consumption of user.
To achieve the goals above, this application provides following technical schemes:
A kind of electric energy meter is visited one house after another detection device, and described device includes:
It is connected with the transmission line of electricity of user to be measured, generates the signal generator for presetting specific waveforms signal;
It is connected with electric energy meter to be measured, current sample is carried out to the transmission line of electricity of the electric energy meter to be measured, verifies adopting for acquisition Whether include the default specific waveforms signal in sample current signal, and exports the signal receiver of verification result.
Preferably, the signal generator includes:
Adjustable load circuits;
It is connected with the adjustable load circuits, adjusts the present load of the adjustable load circuits, generates and preset certain wave The first processor of shape signal;
The interface circuit being connected respectively with the transmission line of electricity of the first processor and the user to be measured.
Preferably, the signal generator further includes:
The power indicator being connected with the first processor;
It is connected with the first processor, the default specific waveforms signal caused by first processor verification is discontented The first alarm indicator alerted when sufficient preset requirement.
Preferably, the adjustable load circuits include:It is the controlled silicon conducting circuit that is sequentially connected, heavy-duty diode, big Power adjustable resistance and high-power fixed resistance, wherein:
The controlled silicon conducting circuit is connected with the first processor, for generating half-wave current signal;
The high power adjustable resistance is connected with the first processor, for adjusting the current of the half-wave current signal Amplitude.
Preferably, the interface circuit includes multiple Universal conversion plug heads.
Preferably, the signal receiver includes:
Current sample is carried out to the transmission line of electricity of the electric energy meter to be measured, and the sampled current signals of acquisition are located in advance The sample circuit of reason;
It is connected with the sample circuit, whether verify in pretreated sampled current signals includes the default certain wave The second processor of shape signal;
It is connected with the second processor, exports the cue circuit of verification result.
Preferably, the sample circuit includes:Pincerlike current sensor and signal processing circuit;
The cue circuit includes the combination of one or more of display circuit, indicator light, buzzer and voice module;
Wherein, the display circuit is for showing the verification result;
The indicator light, the buzzer and the voice module are used in the pretreated sampled current signals In include the default specific waveforms signal when, export corresponding prompt message.
A kind of electric energy meter is visited one house after another detection method, the method includes:
The default specific waveforms signal of generation is sent to the transmission line of electricity of user to be measured;
Current sample is carried out to the transmission line of electricity of electric energy meter to be measured;
Whether include the default specific waveforms signal, and export verification result if verifying in the sampled current signals obtained.
Preferably, the output verification result includes:
Show verification result;
And/or when in the sampled current signals comprising the default specific waveforms signal, corresponding prompt letter is exported Breath.
Preferably, the method further includes:
Detection occurs whether to meet default want to the default specific waveforms signal of the transmission line of electricity of the user to be measured It asks;
If not satisfied, outputting alarm information.
It can be seen that compared with prior art, visits one house after another detection device and method, pass through this application provides a kind of electric energy meter After the default specific waveforms signal that signal generator generates is sent to the transmission line of electricity of user to be measured, treated by signal receiver Whether the transmission line of electricity for surveying electric energy meter carries out current sample, and verify in the sampled current signals of acquisition comprising the default certain wave Shape signal, at this point, can accurately be learnt based on the verification result electric energy meter to be measured whether be the user to be measured electric energy meter, nothing It needs to have a power failure, avoids the influence to user's normal electricity consumption, and without the mutual cooperation between user, you can fast and accurately realize Investigation of visiting one house after another and the verification of family table relationship, greatly improve work efficiency.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.
Fig. 1 is that a kind of electric energy meter is visited one house after another schematic diagram;
Fig. 2 is that a kind of electric energy meter provided by the present application is visited one house after another the structural schematic diagram of detection device embodiment;
Fig. 3 is the structural representation for the signal generator that a kind of electric energy meter provided by the present application is visited one house after another in detection device embodiment Figure;
Fig. 4 is that the visit one house after another structure of the signal generator in detection device embodiment of another electric energy meter provided by the present application is shown It is intended to;
Fig. 5 is the structural representation for the signal receiver that a kind of electric energy meter provided by the present application is visited one house after another in detection device embodiment Figure;
Fig. 6 is that a kind of electric energy meter provided by the present application is visited one house after another the flow diagram of detection method embodiment;
Fig. 7 is that a kind of electric energy meter provided by the present application is visited one house after another the flow diagram of detection method preferred embodiment.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In electric energy meter actual installation process, since opaque article blocks, it is easy to which can visit one house after another phenomenon, such as Fig. 1 It is shown, because of shelter so that staff directly can not see electric energy meter and user simultaneously, thus, it may appear that by user A and electricity Can table B connections (can essentially be by the connection of the incoming line of user's line outlet and corresponding electric energy meter), and by user B and electric energy meter The case where A connections (correct connection should be that user N is connect with electric energy meter N), so in practical applications, it will metering is caused to be grasped Make.In order to avoid this problem, after being normally off electric energy meter switch in the prior art, reexamine whether the user has a power failure, from And verify the electric energy meter whether be the user correspondence electric energy meter, but such case will necessarily influence the normal electricity consumption of user, this Outer to also need to the multiple users that visited one house after another cooperation, working efficiency is low.
In order to improve this case, while also ensureing the correctness of the Electro-metering of the user of installation electric energy meter, the application It provides a kind of electric energy meter to visit one house after another detection device and method, passes through the default specific waveforms signal for generating signal generator and send To the transmission line of electricity of user to be measured, current sample is carried out to the transmission line of electricity of electric energy meter to be measured by signal receiver, and verify Whether comprising the default specific waveforms signal in the sampled current signals of acquisition, at this point, can be accurate based on the verification result Know the electric energy meter to be measured whether be the user to be measured electric energy meter, without have a power failure, you can fast and accurately realize visit one house after another investigation and Family table relationship verification, ensures the accurately and securely property of user power utilization metering, while avoiding the influence to user's normal electricity consumption, and Without the mutual cooperation between user, greatly improve work efficiency.
In order to keep the above objects, features and advantages of the present invention more obvious and easy to understand, below in conjunction with the accompanying drawings and specifically The present invention is described in further detail for embodiment.
As shown in Fig. 2, the structural schematic diagram for detection device embodiment of visiting one house after another for a kind of electric energy meter provided by the present application, the dress It sets and may include:Signal generator 100 and signal receiver 200, wherein:
Signal generator 100 can be arranged in user terminal, you can with transmission line of electricity (such as user to be measured with user to be measured Incoming line etc.) be connected, generate and preset specific waveforms signal.
In the present embodiment practical application, which can be powered by alternating current 220V, such as can be by it directly It is connect with user's indoor power supply.It should be noted that for the default specific waveforms signal of generation, it to be made to believe with user load It number distinguishes, to ensure that signal receiver 200 can accurately identify the default specific waveforms signal, thus, the present embodiment is to this The design parameter of default specific waveforms signal is not construed as limiting, as long as disclosure satisfy that above-mentioned requirements.
Based on this, in practical applications, it is preferred that the default specific waveforms signal can be that amplitude is 0.1A~1A (single Position:Ampere), frequency is identical as mains frequency and AC signal of only positive half-wave, and however, it is not limited to this.
In this regard, as shown in figure 3, the signal generator 100 may include:Adjustable load circuits 110, first processor 120 And interface circuit 130, wherein:
The first processor 120 is connected with adjustable load circuits 110, by adjusting the current of the adjustable load circuits 110 Load generates and presets specific waveforms signal, specifically can determine adjustment side according to the circuit structure of the adjustable load circuits 110 Case, the application are not especially limited this, as long as the default specific waveforms signal for meeting above-mentioned requirements can be generated.
Optionally, which may include the controlled silicon conducting circuit being sequentially connected, high-power two pole Pipe, high power adjustable resistance and high-power fixed resistance, in conjunction with the description of above-described embodiment, the controlled silicon conducting circuit and institute It states first processor to be connected, for generating half-wave current signal, thus with user load signal (it is typically all-view signal) area It separates.Specifically, this implementation can be by controlling the conductings of the different components of the controlled silicon conducting circuit, to make its output just half Wave electric current or negative half-wave current signal, the application does not limit its specific control process, as long as half-wave current signal can be generated .
In addition, high power adjustable resistance be connected with first processor 120, in practical applications, by the first processor you 120 control the high power adjustable resistance, to adjust controlled silicon conducting circuit output half-wave current signal amplitude, specifically may be used Make its cyclical variations between 0.1A~1A.
Wherein, it can be selected according to actual needs about above-mentioned high power device, the application do not limit above-mentioned diode, can Adjust the concrete model of circuit and fixed resistance.
In addition, interface circuit 130 can (can be according to reality respectively at the transmission line of electricity of first processor 120 and user to be measured Border needs to select incoming line or line outlet) it is connected, to power for the signal generator 100, make its each device work.
Optionally, which may include multiple Universal conversion plug heads, indoor to be suitable for user to be measured AC socket;Certainly, which can also include multiple sockets, at this time can be by dual-purpose plug by itself and user to be measured Indoor AC socket connection, or the indoor plug of user to be measured is directly connected thereto, the application is not construed as limiting this, as long as The signal generator 100 can be electrically connected with the city of user to be measured.
As another embodiment of the application, on the basis of the various embodiments described above, as shown in figure 4, signal generator 100 is also May include:Power indicator 140 and the first alarm indicator 150, wherein:
Power indicator 140 can be connected with first processor, when above-mentioned interface circuit 130 is electrically connected with city, the electricity The exportable indication signal of source indicator, so that staff can intuitively learn whether signal generator 100 is powered.
Optionally, which can be indicator light, voice module etc., and the application is not construed as limiting it.
First alarm indicator 150 can be connected with first processor 120, when 120 checking signal of first processor occurs When the default specific waveforms signal that device 100 generates is unsatisfactory for preset requirement, it can be accused by first alarm indicator 150 It is alert, so that this case is informed staff in time.Thus, in practical applications, which can be Different from another indicator light, buzzer or the voice module etc. of power indicator, exported when receiving first processor 120 The default specific waveforms signal that generates of surface when being unsatisfactory for the verification result of preset requirement, export corresponding warning information, such as Indicator light flicker, buzzer or voice signal etc..
It is generated in default specific waveforms signal process it can be seen that first processor 120 controls adjustable load circuits 110, Whether can meet preset requirement with real-time detection practical output signal, that is, judge the width of the default specific waveforms signal of reality output Whether the parameters such as value, frequency meet preset value, in this way, judging result be do not meet when, timely outputting alarm information, so as to and When adjust Real output waveform signal, ensure that the testing result of the detection device is reliable.
Optionally, on the basis of the various embodiments described above, as shown in figure 4, the signal generator 100 can also include control Switching circuit 160 presets specific waveforms signals for starting the signal generator 100 output, certainly, interface circuit 130 with After city's electrical connection, control switch can also control whether the signal generator 100 powers on.
Based on this, in practical applications, which may include button, when carrying out detection of visiting one house after another, And after installing the detection device, staff can be by the button enabling signal generator 100, and however, it is not limited to this, It can also be by the modes enabling signal such as acoustic control generator 100, at this point, the control switching circuit may include sound collection and knowledge Other module etc. can specifically determine, this will not be detailed here by the application according to actual needs.
Signal receiver 200 can be connected with electric energy meter to be measured, in practical applications can be to the defeated of the electric energy meter to be measured Electric line (can be specifically to its incoming line) carries out current sample, and whether verify in the sampled current signals of acquisition includes institute After stating default specific waveforms signal, verification result is exported, so that staff judges the user's to be measured based on the verification result Whether electric energy meter connection is correct, and then whether the installation of interpretation area's electric energy meter visits one house after another phenomenon, and electric energy meter string is occurring It makes adjustment in time when family, it is ensured that the correct metering to each user power consumption is realized in the correct installation of area's electric energy meter.
Optionally, as shown in figure 5, the signal receiver 200 may include:Sample circuit 210, second processor 220 with And cue circuit 230, wherein:
The sample circuit 210 can be connect with the transmission line of electricity of electric energy meter to be measured, to carry out current sample to it, and it is right The sampled current signals of acquisition are pre-processed, such as carry out shaping, filtering, amplification processing to the sampled current signals, to Pure current signal is obtained, to ensure accuracy and reliability that second processor 220 verifies this.
It can be seen that the sample circuit 210 may include pincerlike current sensor and signal processing circuit, in practical application In, which is directly sandwiched in electric energy meter outlet to be measured, acquires the current signal of the outlet, wherein should The default specific waveforms signal generated comprising signal generator 100 in current signal, through signal processing circuit to collected electricity After the pretreatment for flowing signal, obtained current signal is occurred to second processor 220.
Second processor 220 is connected with sample circuit 210, specific as above-described embodiment describes, the second processor 220 with Whether the signal processing circuit in the sample circuit 210 is connected, verify in pretreated sampled current signals comprising default spy Waveform signal is determined, and the cue circuit 230 by being connected with the second processor 220 exports the verification result, at this point, work people Member can be intuitive to see whether the electric energy meter to be measured is corresponding with user to be measured, without having a power failure, also whether can judge the area Electric energy meter occurs to visit one house after another phenomenon.
Specifically, when verifying in pretreated sampled current signals comprising default specific waveforms signal, illustrate that this is waited for Survey electric energy meter be user to be measured electric energy meter, do not visit one house after another, according to this detection mode can detect the area each Whether the electric energy meter of user's connection makes its corresponding electric energy meter, to judge whether the installation of area's electric energy meter visits one house after another.And And when verifying in pretreated sampled current signals not comprising default specific waveforms signal, another electric energy meter can be made For electric energy meter to be measured, and signal receiver 200 is connect with the leading-out terminal of the electric energy meter to be measured, in the manner described above, verifies this When the pretreated sampled current signals that obtain in whether comprising default specific waveforms signal, and so on, until authenticating to Default specific waveforms signal, current electric energy meter to be measured are the electric energy meter of user to be measured, and after detection, are based on the verification As a result again to connection box of electric energy meter.
As shown in Fig. 2, signal generator 100 is connected with the end of incoming cables L1 ' of user A, signal receiver 200 and electric energy meter B Leading-out terminal L1 connections, in the manner described above, after body specific waveforms signal is preset in the output of signal generator 100, signal at this time Receiver 200 will be unable to receive the default specific waveforms signal, can connect it with the leading-out terminal L2 of electric energy meter A, if at this time Verification receives default specific waveforms signal, illustrates that electric energy meter A is corresponding with user A, can be by electric energy meter A leading-out terminals L2 and user The end of incoming cables L1 ' connections of A certainly, will be according to the method described above by signal if can not still receive default specific waveforms signal at this time Receiver 200 is connect with another electric energy meter, until detecting electric energy meter corresponding with user A.
Certainly, it when verifying in pretreated sampled current signals not comprising default specific waveforms signal, can also incite somebody to action Signal generator 100 is connect with the transmission line of electricity of another user, after starting the signal generator 100, by the signal receiver 200 re-verify whether to receive default specific waveforms signal, and so on, until signal receiver 200 receives default spy Determine waveform signal, the electric energy meter to be measured is then corresponding with current user to be measured, and carries out wiring, specific mistake to electric energy meter again accordingly This will not be detailed here by journey the application.
To sum up, on the basis of the alternative embodiment shown in fig. 5, in conjunction with the electricity of above-mentioned signal generator shown in Fig. 3 Line structure, in practical applications, after applying default specific waveforms signal on a subscribers' line, since electric energy meter is to concentrate Installation, thus, the present embodiment rapidly can control sample circuit 210 by second processor 220 and go out to different electric energy meters Line end carries out current sample (leading-out terminal that pincerlike current sensor is quickly clipped to different electric energy meters), to disposably search To electric energy meter corresponding with the default subscribers' line of specific waveforms signal is applied, continue to carry out school to other users in the method Core, you can quickly and accurately realize visit one house after another investigation and the verification of family table relationship, greatly improve the working efficiency of the detection device.
As the another embodiment of the application, in practical applications, above-mentioned cue circuit 230 may include display circuit, refer to Show the combination of one or more of lamp, buzzer and voice module, can specifically select according to actual needs.
In the practical application of the another embodiment, the verification result of second processor 220 can be shown by display circuit, Such as indicate that the verification result, the application are not especially limited this by word or special symbol mode.
It is of course also possible to second processor 220 verification result show include in pretreated sampled current signals When default specific waveforms signal, corresponding prompt message is exported by above-mentioned indicator light, buzzer and/or voice module, such as Flicker, buzzer or the voice signal etc. of default indicator light, however, it is not limited to this.
In addition, applicant can also utilize it should be noted that for the various embodiments described above in electric energy meter installation process The detection device is instructed, and detailed process is similar to the above, and this will not be detailed here by the application.
Wherein, in order to ensure the accurate reliability of testing result, above-mentioned signal generator 100 and signal receiver 200 are logical Often all it is corresponding, and a user can only be detected every time.
In conclusion the present embodiment is sent to user to be measured by the default specific waveforms signal for generating signal generator Transmission line of electricity after, current sample is carried out to the transmission line of electricity of electric energy meter to be measured by signal receiver, and verify the sampling of acquisition Whether comprising the default specific waveforms signal in current signal, at this point, the electricity to be measured can accurately be learnt based on the verification result Can table whether be the user to be measured electric energy meter, without having a power failure, you can fast and accurately realize and visit one house after another investigation and family table relationship core It is right, ensure the accurately and securely property of user power utilization metering, while avoiding the influence to user's normal electricity consumption, and without user it Between mutual cooperation, greatly improve work efficiency.
As shown in fig. 6, the flow diagram for detection method embodiment of visiting one house after another for a kind of electric energy meter provided by the present application, the party Method can be applied to electric energy meter described in above-mentioned apparatus embodiment and visit one house after another detection device, and in the present embodiment, this method is specific It may comprise steps of:
Step S610:The default specific waveforms signal of generation is sent to the transmission line of electricity of user to be measured.
Wherein, which can be that amplitude changes between 0.1A~1A, frequency and mains frequency phase Same half-wave current signal specifically control signal generator can generate the default specific waveforms signal in the manner described above.I.e. Can will obtain half-wave current signal identical with mains frequency, to by the range-adjusting of the half-wave current signal to 0.1A~1A it Between, the application does not limit the specific acquisition process of the default specific waveforms signal, as long as can obtain meeting above-mentioned requirements Current signal.
Such as the description of above-mentioned device embodiment corresponding part, by the end of incoming cables of signal generator and user to be measured or can go out Line end connects, so that the default specific waveforms signal that the signal generator generates can be delivered to the transmission of electricity of the user to be measured Circuit.
Optionally, the default specific waveforms signal generated for signal generator, the application can also detect practical transmission Whether the default specific waveforms signal to the transmission line of electricity of user to be measured meets preset requirement, if not satisfied, can be with outputting alarm Information, so that staff adjusts the waveform signal of signal generator output in time.
Wherein, which can be set forth above to parameters such as the amplitudes, frequency, half-wave of the specific waveforms signal Requirement, the application do not limit its particular content.
Step S620:Current sample is carried out to the transmission line of electricity of electric energy meter to be measured.
In conjunction with the description of above-mentioned apparatus embodiment corresponding part, this implementation can be by signal receiver and electric energy meter to be measured Outlet connects, to acquire the current signal of the electric energy meter outlet to be measured.
Step S630:Whether include the default specific waveforms signal, and export if verifying in the sampled current signals obtained Verification result.
It, can be to collecting in order to improve the accuracy and reliability of subsequent detection result in the present embodiment practical application Sampled current signals carry out the pretreatments such as shaping, filtering and amplification, then pretreated sampled current signals are verified, The application does not limit these pretreated concrete methods of realizing.Moreover, the application can utilize existing waveforms detection and identification Method, whether to verify comprising default specific waveforms signal in pretreated sampled current signals, the application is to its authentication Method is not especially limited.
Optionally, the way of output about above-mentioned verification result may include:Directly pass through display circuit (such as display) Verification result is directly displayed, and/or, when in the sampled current signals of acquisition containing the default specific waveforms signal, the output phase is answered Prompt message.Wherein, the application is not construed as limiting the specific way of output of the prompt message, can be indicator light flicker side The modes such as formula, buzzer, voice signal export.
To sum up, the present embodiment can be sent to user to be measured by the default specific waveforms signal for generating signal generator Transmission line of electricity after, current sample is carried out to the transmission line of electricity of electric energy meter to be measured by signal receiver, and verify the sampling of acquisition Whether comprising the default specific waveforms signal in current signal, at this point, the electricity to be measured can accurately be learnt based on the verification result Can table whether be the user to be measured electric energy meter, without having a power failure, you can fast and accurately realize and visit one house after another investigation and family table relationship core It is right, ensure the accurately and securely property of user power utilization metering, while avoiding the influence to user's normal electricity consumption, and without user it Between mutual cooperation, greatly improve work efficiency.
As shown in fig. 7, being based on above-mentioned analysis, visit one house after another detection method preferred embodiment present applicant proposes a kind of electric energy meter Flow diagram, this method may comprise steps of:
Step S710:It generates and presets specific waveforms signal.
Step S720:Verify whether the default specific waveforms signal currently generated meets preset requirement, if it is not, executing step S730;If so, executing step S740.
Step S730:Export corresponding alarm signal.
In the present embodiment practical application, the specific way of output of the alarm signal is not limited, as long as enabling to work Make personnel accurately and the default specific waveforms signal quickly currently generated is unsatisfactory for preset requirement, and the ginseng of adjustment control in time Number.
Certainly, when signal generator learns that the default specific waveforms signal currently generated is unsatisfactory for preset requirement, Ke Yiyou First processor adjust automatically control parameter, until generated default specific waveforms signal meets preset requirement, this Shen The specific adjustment mode is not limited please.
Step S740:The default specific waveforms signal of generation is delivered to the end of incoming cables of user to be measured.
Step S750:Current sample is carried out to the leading-out terminal of electric energy meter to be measured, and the sampled current signals of acquisition are carried out Pretreatment.
Wherein, which may include the processing procedures such as shaping, filtering and amplification, and however, it is not limited to this.
Step S760:Pretreated sampled current signals are verified whether comprising default specific waveforms signal.If so, executing Step S770;If it is not, terminating flow.
Step S770:Export corresponding prompt message.
In the present embodiment, which can pass through the sides such as word, indicator light flicker, buzzer or voice signal Formula, to inform staff, currently electric energy meter to be measured is corresponding with user to be measured.
In conclusion the present embodiment can be sent to by the default specific waveforms signal for generating signal generator it is to be measured After the transmission line of electricity of user, current sample is carried out to the transmission line of electricity of electric energy meter to be measured by signal receiver, and obtain in verification Sampled current signals in comprising the default specific waveforms signal, show that current user to be measured and electric energy meter to be measured correspond to, conversely, Need to continue in the method detection electric energy meter to be measured corresponding with the user to be measured, to accurately and be rapidly completed to being installed Electric energy meter check, without have a power failure, you can fast and accurately realize visit one house after another investigation and family table relationship verification, ensure user power utilization The accurately and securely property of metering, while the influence to user's normal electricity consumption is avoided, and without the mutual cooperation between user, greatly It improves work efficiency greatly.
Finally, it should be noted that about in the various embodiments described above, such as first, second or the like relational terms are only Only be used for operating an operation, device or circuit with another, device or circuit distinguish, and not necessarily require or secretly Show that there are any actual relationship or orders between these devices, operation or circuit.Moreover, term " comprising ", " packet Containing " or any other variant thereof is intended to cover non-exclusive inclusion, so that including process, the method for a series of elements Or circuit includes not only those elements, but also include other elements that are not explicitly listed, or it is this to further include Process, method or the intrinsic element of system.In the absence of more restrictions, being limited by sentence "including a ..." Element, it is not excluded that there is also other identical elements in process, method or the system including the element.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other The difference of embodiment, just to refer each other for identical similar portion between each embodiment.For method disclosed in embodiment For, since it is corresponding with device disclosed in embodiment, so description is fairly simple, related place is referring to device part explanation .
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (8)

  1. The detection device 1. a kind of electric energy meter is visited one house after another, which is characterized in that described device includes:
    It is connected with the transmission line of electricity of user to be measured, generates the signal generator for presetting specific waveforms signal;
    It is connected with electric energy meter to be measured, current sample is carried out to the transmission line of electricity of the electric energy meter to be measured, verifies the sampling electricity of acquisition Whether include the default specific waveforms signal, and export the signal receiver of verification result if flowing in signal;
    Wherein, the signal generator includes:
    Adjustable load circuits;
    It is connected with the adjustable load circuits, adjusts the present load of the adjustable load circuits, generates and preset specific waveforms letter Number first processor;
    The interface circuit being connected respectively with the transmission line of electricity of the first processor and the user to be measured;
    Wherein, the adjustable load circuits include:The controlled silicon conducting circuit that is sequentially connected, heavy-duty diode, it is high-power can Resistance and high-power fixed resistance are adjusted, wherein:The controlled silicon conducting circuit is connected with the first processor, for generating Half-wave current signal;The high power adjustable resistance is connected with the first processor, for adjusting the half-wave current signal Current amplitude.
  2. 2. the apparatus according to claim 1, which is characterized in that the signal generator further includes:
    The power indicator being connected with the first processor;
    It is connected with the first processor, the default specific waveforms signal caused by first processor verification is unsatisfactory for pre- If it is required that when the first alarm indicator for being alerted.
  3. 3. the apparatus according to claim 1, which is characterized in that the interface circuit includes multiple Universal conversion plug heads.
  4. 4. according to the device described in claim 1-3 any one, which is characterized in that the signal receiver includes:
    Current sample is carried out to the transmission line of electricity of the electric energy meter to be measured, and the sampled current signals of acquisition are carried out pretreated Sample circuit;
    It is connected with the sample circuit, whether verifies in pretreated sampled current signals comprising the default specific waveforms letter Number second processor;
    It is connected with the second processor, exports the cue circuit of verification result.
  5. 5. device according to claim 4, which is characterized in that the sample circuit includes:Pincerlike current sensor and letter Number processing circuit;
    The cue circuit includes the combination of one or more of display circuit, indicator light, buzzer and voice module;
    Wherein, the display circuit is for showing the verification result;
    The indicator light, the buzzer and the voice module are used to wrap in the pretreated sampled current signals When containing the default specific waveforms signal, corresponding prompt message is exported.
  6. The detection method 6. a kind of electric energy meter is visited one house after another, which is characterized in that the method includes:
    The default specific waveforms signal of generation is sent to the transmission line of electricity of user to be measured, the default specific waveforms signal is logical Cross the present load generation of first processor adjusting adjustable load circuits;
    Current sample is carried out to the transmission line of electricity of electric energy meter to be measured;
    Whether include the default specific waveforms signal, and export verification result if verifying in the sampled current signals obtained;
    Wherein, the adjustable load circuits include:The controlled silicon conducting circuit that is sequentially connected, heavy-duty diode, it is high-power can Resistance and high-power fixed resistance are adjusted, wherein:The controlled silicon conducting circuit is connected with the first processor, for generating Half-wave current signal;The high power adjustable resistance is connected with the first processor, for adjusting the half-wave current signal Current amplitude.
  7. 7. according to the method described in claim 6, it is characterized in that, the output verification result includes:
    Show verification result;
    And/or when in the sampled current signals comprising the default specific waveforms signal, export corresponding prompt message.
  8. 8. according to the method described in claim 6, it is characterized in that, the method further includes:
    Detection occurs whether to meet preset requirement to the default specific waveforms signal of the transmission line of electricity of the user to be measured;
    If not satisfied, outputting alarm information.
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CN106093692A (en) * 2016-05-27 2016-11-09 国家电网公司 The method and device that detection electric energy meter is visited one house after another
CN105911418A (en) * 2016-07-12 2016-08-31 国网四川省电力公司电力科学研究院 Variable load detection method in electricity meter channeling detection
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