CN106019051A - Electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering - Google Patents
Electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering Download PDFInfo
- Publication number
- CN106019051A CN106019051A CN201610436291.8A CN201610436291A CN106019051A CN 106019051 A CN106019051 A CN 106019051A CN 201610436291 A CN201610436291 A CN 201610436291A CN 106019051 A CN106019051 A CN 106019051A
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- China
- Prior art keywords
- electric energy
- signal
- energy meter
- circuit
- feedthrough
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
Abstract
The present invention relates to an electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering. The electric energy meter test apparatus is used for detecting whether corresponding relationships between users and electric energy meters are correct. The electric energy meter test apparatus includes a signal feed-in device, a wave blocking device and a signal sensing device; the signal feed-in device realizes automatic acquisition of electric energy meter information, modulation of signals and injection of the signals to a power line; the wave blocking device can ensure the one-way transmission of wave carrier signals, prevent the wave carrier signals from being transmitted to electric energy meter incoming line ends; and the signal sensing device mainly realizes the strength detection and content demodulation of the wave carrier signals. With the electric energy meter test apparatus of the invention adopted, the problem that inter-user wrongly electricity metering requires door-to-door inspection in the prior art can be solved, the working efficiency of wrong wiring inspection can be improved, and the life of the users will not be disturbed. The electric energy meter test apparatus has high reliability.
Description
Technical field
The present invention relates to power system detection apparatus field, be specifically related to a set of electric energy meter and do not register one's residence detection of visiting one house after another
Apparatus and method for.
Background technology
During electric service, owing to project implementing process supervision is tight, electric energy meter is caused to visit one house after another problem frequently
Take place frequently life.In order to promote electric-power metering service level and user satisfaction, need to solve " electric energy meter is visited one house after another "
Problem.But the most all it is laid in inside body of wall due to electric lines of force, it is achieved electric energy meter detection of visiting one house after another has necessarily
Difficulty.Traditional resident's electric energy meter is visited one house after another investigation, and the method using outage detection, this is to resident living
Impact is relatively big, have impact on power supply quality and Consumer's Experience.Some novel continuous electrical detection device are continuous
Emerging in large numbers, but be still detected as to register one's residence main, this can disturb resident living and inefficiency, does not exists if meeting resident family
Situation in Jia then cannot complete detection, and electric energy meter of therefore not registering one's residence without power-off detection of visiting one house after another receives greatly
Concern.
Existing detection equipment of not registering one's residence utilizes radio communication to carry out information transmission more, and signal is easily disturbed.Few
Part utilizes the scheme of power line communication, only injects low and high level other end detection level in electric lines of force one end and becomes
Change, or circuit switching capacitance etc. changes circuit physical parameter, then measures each voltage, electric current, power factor
Associating judgement is carried out, it is judged that conclusion confidence level is the highest etc. parameter;Additionally these schemes do not account for signal feed-in
During circuit, signal itself also can flow into other user loops by electrical network, thus affects testing result correctness;
Simultaneously most need the detection scheme of electric energy meter information to need to be manually entered the information such as table number, and actually this type of
Information all can obtain from electric energy meter in the way of copy reading automatically.Therefore research and development reliability is high, capacity of resisting disturbance is strong,
High not the registering one's residence of intelligence degree visit one house after another detection equipment for improve power supply quality most important.
Summary of the invention
The deficiency existed for above-mentioned prior art, the invention provides a kind of without registering one's residence, simple to operate,
Result presents distinct and that accuracy is high electric energy meter and visits one house after another detection equipment.
The technical scheme is that a kind of electric energy meter is visited one house after another detection equipment, including signal feedthrough,
Wave resistance device and signal sensing device three part.Signal feedthrough can obtain electricity by communication interface circuit
Energy table relevant information is also modulated on electric lines of force, can realize signal intensity according to distance and channel condition
Regulation and the selection of working frequency points;Wave resistance device can prevent carrier signal from transmitting to grid side, it is ensured that carries
The one way propagation of ripple signal;Being of signal sensing device characteristic: receive signal by short-wave antenna, can solve
Recall carrier information and judge signal intensity, with screen, acoustic-optic indicator demodulating information and signal intensity.Hand-held
Signal sensing device can be scanned detection from house to house along corridor, when detecting signal intensity maximum and solving
The resident family that tune information is correct i.e. can be identified as the resident family that electric energy meter is corresponding.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only embodiments of the invention, for those of ordinary skill in the art, do 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.In the accompanying drawings:
Fig. 1 does not register one's residence detecting system block diagram for electric energy meter of visiting one house after another;
Fig. 2 is feedthrough schematic block circuit diagram;
Fig. 3 is signal feedthrough and wave arrestment wave resistance device and connection box of electric energy meter block diagram;
Fig. 4 is sensing device circuit theory diagram.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, implement below in conjunction with the present invention
Example accompanying drawing, does the clearest, complete description to the technical scheme in the embodiment of the present invention, it is clear that institute
The embodiment described is a kind of rather than whole embodiment of the embodiment of the present invention.Based in the present invention
Embodiment, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the present embodiment is made up of signal feedthrough, wave resistance device and signal sensing device.
Described signal feedthrough is connected with electric energy meter leading-out terminal (terminal 2,4) through overcoupled circuits, and it leads to simultaneously
Letter interface circuit can be connected with electric energy meter communication interface;Described wave resistance device and electric energy meter lead-in wire terminal (terminal 1,
3) it is connected;Described signal sensing device is received and demodulated signal by antenna, completes strong and weak the sentencing of signal simultaneously
Disconnected;Hand-held signal sensing device can be scanned detection, the signal intensity detected from house to house along corridor
Maximum and that demodulating information is correct resident family i.e. can be identified as the resident family that electric energy meter is corresponding.
As in figure 2 it is shown, described signal feedthrough includes modulation generating circuit, amplifying circuit, coupling
Close circuit, communication interface circuit and feed-in cable assembly, and connect with electric energy meter network outlet and electric energy meter communication
Mouth is connected.Feedthrough first passes around communication interface circuit and obtains the relevant information of electric energy meter, is then passed through adjusting
The electric energy meter modulates information of acquisition is become carrier signal by signal generating circuit processed, then amplifies it through amplifying circuit
Rear logical overcoupled circuits are coupled to feed-in cable, are finally connected with electric energy meter leading-out terminal, complete to believe electric energy meter
The process that breath is sent on electric lines of force, feed-in cable uses shielded cable, it is ensured that the reliable injection of signal.
As it is shown on figure 3, feedthrough end is connected with electric energy meter 2,4 terminal by feed-in cable, wave arrestment fills
Put and be connected with electric energy meter 1,3 terminal.Described feedthrough is linked into electric energy meter communication interface and obtains electric energy meter
After relevant information, it is modulated coupling circuit and couples a signal to feed-in cable, thus complete signal to electric lines of force
Injection.Described wave resistance device is connected with energy meter terminal, is equivalent to install low pass filtered at electric energy meter lead-in wire terminal
Ripple device (device such as magnet ring, electric capacity), this wave filter effectively intercepts height in the case of the normal transmission ensureing electric energy
Frequently carrier wave, so that it is guaranteed that carrier signal does not seal in electrical network end, makes high-frequency carrier signal along the electric lines of force side of registering one's residence
To one way propagation, i.e. propagate to direction of registering one's residence.The carrier signal of at this moment feed-in can be registered one's residence direction along electric lines of force
Propagate and from body of wall internal radiation to body of wall outside, at switch of registering one's residence, sensor device then can detect this letter
Number, and the corresponding relation of user and electric energy meter is judged according to reception signal content and signal power.
As shown in Figure 4, described signal sensing equipment specifically includes that filter circuit, small-signal amplify conditioning
Circuit, demodulator circuit, Display and Alarm Circuit, short-wave antenna etc..Acquisition of signal module is first to short-wave antenna
The small-signal received is filtered processing, then signal is amplified by amplified modulate circuit, is then passed through
The information that carrier wave is carried by demodulator circuit is demodulated obtaining electric energy table id, simultaneously by strong and weak for signal and electric
The information such as energy table id are shown on interface, and are furnished with sound alarm prompting, and then strong according to the signal detected
Weak locking electric energy meter and the corresponding relation of resident family.
Last it should be noted that above example is only in order to illustrate technical scheme, rather than to it
Limit;Although the present invention being described in detail with reference to previous embodiment, the ordinary skill people of this area
Member is to be understood that;Technical scheme described in previous embodiment still can be modified by it, or to it
Middle part technical characteristic carries out equivalent;And these amendments or replacement, do not make appropriate technical solution
Essence departs from the spirit and scope of embodiment of the present invention technical scheme.
Claims (12)
- The most a set of electric energy meter is not registered one's residence detection equipment of visiting one house after another, and comprises signal feedthrough, wave resistance device and letter Number sensing device, it is characterised in that: signal feedthrough is at electric power meter end modulated test signal and is coupled to electricity The line of force, wave resistance device can stop carrier signal to be propagated to grid side, and sensing device passes through antenna receiving signal, Realize the detection of carrier signal strength and the demodulation of content.
- Detection equipment the most according to claim 1, its feedthrough is characterised by: include that carrier wave is adjusted Circuit processed, filter circuit, amplifying circuit, coupling circuit, communication interface circuit, AccessPort circuit, feedback Enter cable assembly, and be connected with electric energy meter network outlet and electric energy meter communication interface.
- Detection equipment the most according to claim 1, being characterized by of its feedthrough is above-mentioned logical Letter interface circuit can realize the communication between feedthrough and electric energy meter, and feedthrough can obtain electric energy automatically Table relevant information;The host computer debugging to feed-in equipment can be realized by debugging interface circuit;Feedthrough can Transmission it is fed on electric lines of force through coupling circuit after the electric energy meter modulates information obtained.
- Detection equipment the most according to claim 1, its feedthrough is characterised by: can be according to transmission Distance and channel condition adjusting signal intensity and working frequency points thereof.
- Detection equipment the most according to claim 1, its wave resistance device is characterised by: described wave arrestment equipment It is installed on electric energy meter networking end, the carrier signal transmission to grid side can be prevented, it is achieved carrier signal unidirectional Propagate.
- Detection equipment the most according to claim 1, its feedthrough is characterised by with wave resistance device: Without power-off during access feedthrough and wave resistance device.
- Detection equipment the most according to claim 1, its signal sensing device is characterised by: comprise filter Wave circuit, signal amplification circuit, demodulator circuit, power-sensing circuit, reception antenna, debugging serial ports and Testing result display circuit.
- Detection equipment the most according to claim 1, its signal sensing device be characterized by sky Line realizes the reception of power line carrier signal.
- Detection equipment the most according to claim 1, its signal sensing device is characterised by: sensing dress Putting can be with the intensity of detected carrier signal by power-sensing circuit.
- Detection equipment the most according to claim 1, its signal sensing device is characterised by: sensing Device utilizes its signal receiving circuit can realize the demodulation of signal, thus obtains electric energy meter corresponding information.
- 11. detection equipment according to claim 1, its signal sensing device is characterised by: detection Result can realize acousto-optic and screen output, and acousto-optic output form is buzzer and LED.
- 12. detection equipment according to claim 1, being characterized by of its signal sensing device Debugging serial ports may utilize host computer and debugs signal sensing device.
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CN201610436291.8A CN106019051A (en) | 2016-06-16 | 2016-06-16 | Electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering |
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CN201610436291.8A CN106019051A (en) | 2016-06-16 | 2016-06-16 | Electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering |
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CN201610436291.8A Pending CN106019051A (en) | 2016-06-16 | 2016-06-16 | Electric energy meter test apparatus capable of avoiding door-to-door inspection and inter-user wrongly electricity metering |
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Cited By (24)
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CN106443314A (en) * | 2016-11-29 | 2017-02-22 | 国网湖南省电力公司 | Electric consumption line missort detection method and device |
CN106483424A (en) * | 2016-12-01 | 2017-03-08 | 宜兴市森维电子有限公司 | A kind of circuit is registered one's residence mistake proofing detector and its detection method |
CN107064722A (en) * | 2016-12-28 | 2017-08-18 | 国网福建省电力有限公司泉州供电公司 | Low-voltage customer is visited one house after another and zero detection means totally |
CN107247212A (en) * | 2017-06-27 | 2017-10-13 | 杭州电子科技大学 | Ammeter based on TDR is visited one house after another detection means |
CN107356831A (en) * | 2017-06-26 | 2017-11-17 | 国网山东省电力公司烟台供电公司 | Formula of not registering one's residence family table identifier |
CN107402408A (en) * | 2017-07-14 | 2017-11-28 | 国网重庆市电力公司南岸供电分公司 | A kind of buried line alignment identifying system of low-voltage power network |
CN107526000A (en) * | 2017-08-05 | 2017-12-29 | 青岛鼎信通讯股份有限公司 | Non- register one's residence does not power off the adjustable injecting scheme of wrong wiring of electric energy meter detection |
CN107659340A (en) * | 2017-11-10 | 2018-02-02 | 国网福建晋江市供电有限公司 | A kind of family table is visited one house after another check device |
CN107703413A (en) * | 2017-10-13 | 2018-02-16 | 深圳市均方根科技有限公司 | A kind of device and method for detection family table relation of not registering one's residence |
CN107808507A (en) * | 2017-10-21 | 2018-03-16 | 南京民联仪器制造有限公司 | It is a kind of with being wirelessly transferred anti-visit one house after another check meter and its method of work |
CN107907788A (en) * | 2017-12-25 | 2018-04-13 | 国网上海市电力公司 | A kind of multi-epitope is visited one house after another examination device |
CN107957531A (en) * | 2017-12-22 | 2018-04-24 | 杭州华春科技有限公司 | The device and method of family table relation can be tested by not registering one's residence |
CN107966631A (en) * | 2017-12-07 | 2018-04-27 | 国家电网公司 | Anti- Check System of visiting one house after another |
CN108107312A (en) * | 2017-12-04 | 2018-06-01 | 国网江苏省电力有限公司电力科学研究院 | Non- register one's residence does not power off wrong wiring of electric energy meter detection device and method |
CN108414882A (en) * | 2018-04-13 | 2018-08-17 | 深圳市同昌汇能科技发展有限公司 | A kind of not formula of registering one's residence that modulation generates characteristics of low-frequency signal is visited one house after another detector |
CN109375046A (en) * | 2018-12-14 | 2019-02-22 | 国网湖北省电力有限公司计量中心 | A kind of non-formula electric energy meter of registering one's residence of multi-frequency based on plc communication technology is visited one house after another examination device and method |
CN109407038A (en) * | 2018-10-25 | 2019-03-01 | 国网浙江乐清市供电有限公司 | A kind of device detecting wrong wiring of electric energy meter |
CN109782120A (en) * | 2019-03-14 | 2019-05-21 | 张艺博 | A kind of low-voltage customer line using ultra-low frequency signal is visited one house after another detection method |
CN110058190A (en) * | 2019-04-12 | 2019-07-26 | 国网湖北省电力有限公司武汉供电公司 | Non- register one's residence does not power off electric energy meter and visits one house after another detection device and method |
CN110261715A (en) * | 2019-06-24 | 2019-09-20 | 广州华铭电力科技有限公司 | Ammeter is to line method, device, system and storage medium |
CN110308363A (en) * | 2019-06-24 | 2019-10-08 | 广州华铭电力科技有限公司 | A kind of family table of forceful electric power state is to line method, apparatus and system |
CN110618346A (en) * | 2019-08-13 | 2019-12-27 | 深圳供电局有限公司 | Household meter identification method and household meter identification device |
CN111600634A (en) * | 2019-08-28 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Multipoint-bit-data-based trend analysis method for missort investigation |
CN111834952A (en) * | 2019-09-21 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | Fault indicator installation extracting tool |
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CN106443314A (en) * | 2016-11-29 | 2017-02-22 | 国网湖南省电力公司 | Electric consumption line missort detection method and device |
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CN107402408A (en) * | 2017-07-14 | 2017-11-28 | 国网重庆市电力公司南岸供电分公司 | A kind of buried line alignment identifying system of low-voltage power network |
CN107526000A (en) * | 2017-08-05 | 2017-12-29 | 青岛鼎信通讯股份有限公司 | Non- register one's residence does not power off the adjustable injecting scheme of wrong wiring of electric energy meter detection |
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CN108107312A (en) * | 2017-12-04 | 2018-06-01 | 国网江苏省电力有限公司电力科学研究院 | Non- register one's residence does not power off wrong wiring of electric energy meter detection device and method |
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CN107966631A (en) * | 2017-12-07 | 2018-04-27 | 国家电网公司 | Anti- Check System of visiting one house after another |
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CN108414882A (en) * | 2018-04-13 | 2018-08-17 | 深圳市同昌汇能科技发展有限公司 | A kind of not formula of registering one's residence that modulation generates characteristics of low-frequency signal is visited one house after another detector |
CN109407038A (en) * | 2018-10-25 | 2019-03-01 | 国网浙江乐清市供电有限公司 | A kind of device detecting wrong wiring of electric energy meter |
CN109375046A (en) * | 2018-12-14 | 2019-02-22 | 国网湖北省电力有限公司计量中心 | A kind of non-formula electric energy meter of registering one's residence of multi-frequency based on plc communication technology is visited one house after another examination device and method |
CN109782120A (en) * | 2019-03-14 | 2019-05-21 | 张艺博 | A kind of low-voltage customer line using ultra-low frequency signal is visited one house after another detection method |
CN110058190B (en) * | 2019-04-12 | 2021-02-02 | 国网湖北省电力有限公司武汉供电公司 | Device and method for detecting series of users of non-household uninterrupted electric energy meter |
CN110058190A (en) * | 2019-04-12 | 2019-07-26 | 国网湖北省电力有限公司武汉供电公司 | Non- register one's residence does not power off electric energy meter and visits one house after another detection device and method |
CN110261715A (en) * | 2019-06-24 | 2019-09-20 | 广州华铭电力科技有限公司 | Ammeter is to line method, device, system and storage medium |
CN110308363A (en) * | 2019-06-24 | 2019-10-08 | 广州华铭电力科技有限公司 | A kind of family table of forceful electric power state is to line method, apparatus and system |
CN110261715B (en) * | 2019-06-24 | 2021-06-29 | 广州华铭电力科技有限公司 | Ammeter alignment method, device and system and storage medium |
CN110308363B (en) * | 2019-06-24 | 2021-12-07 | 广州华铭电力科技有限公司 | Strong-current-state household meter alignment method, device and system |
CN110618346A (en) * | 2019-08-13 | 2019-12-27 | 深圳供电局有限公司 | Household meter identification method and household meter identification device |
CN110618346B (en) * | 2019-08-13 | 2023-03-03 | 深圳供电局有限公司 | Household meter identification method and household meter identification device |
CN111600634A (en) * | 2019-08-28 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Multipoint-bit-data-based trend analysis method for missort investigation |
CN111600634B (en) * | 2019-08-28 | 2021-08-20 | 青岛鼎信通讯股份有限公司 | Multipoint-bit-data-based trend analysis method for missort investigation |
CN111834952A (en) * | 2019-09-21 | 2020-10-27 | 青岛鼎信通讯股份有限公司 | Fault indicator installation extracting tool |
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