CN103310623A - Method and device for determining region of ammeter by detecting signal intensity - Google Patents
Method and device for determining region of ammeter by detecting signal intensity Download PDFInfo
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- CN103310623A CN103310623A CN2013101199287A CN201310119928A CN103310623A CN 103310623 A CN103310623 A CN 103310623A CN 2013101199287 A CN2013101199287 A CN 2013101199287A CN 201310119928 A CN201310119928 A CN 201310119928A CN 103310623 A CN103310623 A CN 103310623A
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Abstract
The invention discloses a method and a device for determining a region of an ammeter by detecting signal intensity. According to the method, when a master station discovers that two concentrators collects the data transmitted by the same ammeter, the two concentrators are enabled to detect the intensity of a received signal transmitted by the ammeter, the ammeter can be determined to belong to a party with high receiving signal intensity, so that the crosstalk problem in an automatic meter reading system can be solved. The device comprises a signal collecting module, a concentrator data transmission module, a signal intensity detection module and a region determining module, wherein the signal collecting module is used for respectively collecting the data transmitted by the ammeter in each region for the corresponding concentrator; the concentrator data transmission module is used for transmitting the data of the ammeter, collected by each concentrator, to the master station; the signal intensity detection module is used for transmitting a command for enabling the two concentrators to respectively detect the intensity of the signal transmitted by the same ammeter when the two concentrators are discovered by the master station to collect the data transmitted by the same ammeter; the region determining module is used for judging that the same ammeter belongs to the region corresponding to the concentrator with high received signal intensity.
Description
Technical field
The present invention relates to a kind of Automatic meter reading system, particularly determine the method and apparatus in the affiliated platform district of ammeter in a kind of Automatic meter reading system.
Background technology
The Automatic meter reading system of prior art as shown in Figure 1.Wherein, the 220V end of each transformer (for example pressing among the 10KV) 110,210 connects a concentrator 120,220, manage all ammeters 130,230 under it, this scope of checking meter is called the platform district, each ammeter in the platform district is sent to its ammeter reading the concentrator in this district, concentrator then is uploaded to main platform (being data processing centre (DPC), not shown) with the data communication device excessively wireless (or other modes) of collecting.
In addition, the control signal of main platform also is transferred to each ammeter by concentrator.
System in actual moving process, the phenomenon that can crosstalk, namely the concentrator in a platform district has been copied the data of the ammeter in another adjacent district.
Ammeter A in Fig. 1 is as example, and its signal that sends is received by concentrator 120, and synchronous signal has penetrated again transformer 110 and transformer 210, so that concentrator 220 receives signal.
The signal attenuation of a transformer is 40dB at least, that is to say, signal can also be received through behind the 80dB.So phenomenon that the Automatic meter reading system of prior art probably can be crosstalked in actual moving process.
For addressing the above problem, Chinese invention patent discloses CN102693621A number a kind of power line carrier meter reading system for the intelligent grid field is provided, comprise substation transformer, low-voltage power line, concentrator and some acquisition terminals, described substation transformer connects described low-voltage power line, and described acquisition terminal connects described low-voltage power line by the power carrier line; Described concentrator accesses described power line carrier meter reading system between described substation transformer, low-voltage power line; Clock chip and controller are set on the described concentrator, and described controller is controlled described concentrator to the checking meter the time of described acquisition terminal, with the described concentrator that staggers for the checking meter the period of each described acquisition terminal, thereby avoid the platform district to crosstalk to the interference of checking meter.Yet this kilowatt meter reading-out system need to arrange special clock chip and controller, causes cost to improve.And the pattern of checking meter at times can be brought inconvenience in practical operation.
And for example Chinese invention patent discloses the method for CN1811843 number disclosed a kind of definite electric supply meter and substation transformer corresponding relation, step comprises: setting is no less than one signal transmitter, and it is connected on the low voltage feeder line of the transformer 1～transformer n that needs definite corresponding relation separately; The signal that each signal transmitter transmission is set is not identical, the frequency of signal is between 1000Hz～40MHz, make signal see through the substation transformer decay very large, therefore the signal of the signal transmitter transmission under the different transformers can not be crosstalked mutually by the middle pressure transmission line between the transformer; Determine that at needs the low-voltage power line that the ammeter of corresponding relation links to each other connects detector; Detector is differentiated to the received signal or is decoded, and shows the numbering of corresponding transformer.Yet the method need to arrange special signal transmitter and detector, causes cost to improve.In addition, the frequency setting of each signal transmitter transmitted signal between 1000Hz～40MHz and make differently each other, also can be brought inconvenience to practical operation.
Therefore, provide a kind of Automatic meter reading system that can effectively avoid crosstalking to become in the industry urgent problem.
Summary of the invention
The purpose of this invention is to provide the method and apparatus in the affiliated platform district of a kind of definite ammeter, it can avoid crosstalk phenomenon easily and effectively.
Method of the present invention is when main platform finds to have two concentrators to collect the data that same ammeter sends, send control signal, make these two concentrators detect and receive the intensity that this ammeter sends signal, wherein must be one large one little, then this ammeter belongs to the high side of received signal strength as can be known.
On the one hand, the invention provides a kind of method of determining platform district under the ammeter by detection signal strength, comprise: the data that (1) adopts corresponding several ammeters collected in the First district of the first concentrator to send, the data that adopt corresponding several ammeters collected in second district of the second concentrator to send; (2) described the first concentrator and described the second concentrator with the data transmission of the ammeter collected to main platform; (3) when described main platform finds that described the first concentrator and described the second concentrator are collected the data that the same ammeter in described First district or described second district sends simultaneously, described main platform sends control signal, and described the first concentrator of instruction and described the second concentrator detect respectively the intensity that described same ammeter sends signal; And (4) described same ammeter of detecting respectively according to described the first concentrator and described the second concentrator sends the size of the intensity of signal, judges that described same ammeter belongs to corresponding district of the large concentrator of received signal strength.
Selectively, further comprise the data that adopt corresponding several ammeters collected at least one other district of at least one other concentrator to send, and with the data transmission of the ammeter collected to described main platform; When described main platform finds that at least two concentrators in described the first concentrator, described the second concentrator and described at least one other concentrator are collected the data that the same ammeter in described First district, described second district or described at least one other district sends simultaneously, described main platform sends control signal, and described at least two concentrators that the data that described same ammeter sends are collected in instruction simultaneously detect respectively the intensity that described same ammeter sends signal; The described same ammeter that detects respectively according to described at least two concentrators sends the size of the intensity of signal, judges corresponding district of concentrator that described same ammeter belongs to the received signal strength maximum.
Selectively, signal intensity can be power or absolute value.
Selectively, the first concentrator, the second concentrator and at least one other concentrator can select wired or wireless mode to communicate by letter with main platform.
Selectively, the first concentrator, the second concentrator and at least one other concentrator can select the self-corresponding ammeter of wired or wireless mode and each to communicate by letter.
On the other hand, the present invention also provides a kind of device of determining platform district under the ammeter by detection signal strength, it comprises: signal acquisition module, signal acquisition module is collected the data that several ammeters in the First district send by the first concentrator correspondence, and collects the data that several ammeters in second district send by the second concentrator correspondence; The data transmission of the ammeter that concentrator data transmission module, concentrator data transmission module are collected the first concentrator and the second concentrator is to main platform; The signal strength detection module, when main platform found that the first concentrator and the second concentrator are collected the data that the same ammeter in First district or second district sends simultaneously, signal strength detection module instruction the first concentrator and the second concentrator detected respectively the intensity that same ammeter sends signal; And platform district determination module, the same ammeter that platform district determination module detects respectively according to the first concentrator and the second concentrator sends the size of the intensity of signal, judges that same ammeter belongs to corresponding district of the large concentrator of received signal strength.
The invention has the beneficial effects as follows: when finding to have two concentrators to collect the data that same ammeter sends at main platform, send control signal, make these two concentrators detect and receive the intensity that this ammeter sends signal, and judge that this ammeter belongs to the high side of received signal strength, thereby solved easily and effectively the cross-interference issue in the Automatic meter reading system.
Description of drawings
Fig. 1 shows the schematic diagram of typical Automatic meter reading system in the prior art.
Fig. 2 is the indicative flowchart that detection signal strength is determined the method in platform district under the ammeter that passes through according to the specific embodiment of the invention.
Embodiment
The present invention discloses the method in the affiliated platform district of definite ammeter in a kind of Automatic meter reading system.
Please refer to Fig. 2, as a kind of non-limiting embodiment, of the present inventionly determine that by detection signal strength the method in platform district comprises under the ammeter: (1), the data that adopt corresponding several ammeters collected in the First district of the first concentrator to send, the data that adopt corresponding several ammeters collected in second district of the second concentrator to send are referring to step S100; (2), the first concentrator and the second concentrator with the data transmission of the ammeter collected to main platform, referring to step S200; (3), when main platform finds that the first concentrator and the second concentrator are collected the data that the same ammeter in First district or second district sends simultaneously, main platform sends control signal, instruction the first concentrator and the second concentrator detect respectively the intensity that this same ammeter sends signal, referring to step S300; (4), this same ammeter of detecting respectively according to the first concentrator and the second concentrator sends the size of the intensity of signal, judges that this same ammeter belongs to corresponding district of the large concentrator of received signal strength, referring to step S400; And (5), EOP (end of program), referring to step S500.
Alternately, as the non-limiting embodiment of another kind, may further include the data that adopt corresponding several ammeters collected at least one other district of at least one other concentrator to send, and with the data transmission of the ammeter collected to main platform; When main platform finds that at least two concentrators in the first concentrator, the second concentrator and at least one other concentrator are collected the data that the same ammeter in First district, second district or at least one other district sends simultaneously, main platform sends control signal, and at least two concentrators that the data that this same ammeter sends are collected in instruction simultaneously detect respectively the intensity that this same ammeter sends signal; This same ammeter that detects respectively according at least two concentrators sends the size of the intensity of signal, judges corresponding district of concentrator that this same ammeter belongs to the received signal strength maximum.
Alternately, as another non-limiting embodiment, of the present inventionly determine that by detection signal strength the method in platform district comprises under the ammeter: (1), the data that adopt corresponding several ammeters collected in the First district of the first concentrator to send, the data that adopt corresponding several ammeters collected in second district of the second concentrator to send, in this embodiment, the first concentrator, the second concentrator select wired mode to communicate by letter with each self-corresponding ammeter; (2), the first concentrator and the second concentrator to main platform, for example adopt communication with the data transmission of the ammeter collected; (3), when main platform finds that the first concentrator and the second concentrator are collected the data that the same ammeter in First district or second district sends simultaneously, main platform sends control signal, instruction the first concentrator and the second concentrator detect respectively the intensity that this same ammeter sends signal, such as power; And (4), this same ammeter of detecting respectively according to the first concentrator and the second concentrator send the size of the power of signal, judges that this same ammeter belongs to corresponding district of the large concentrator of received signal power.
Alternately, as another non-limiting embodiment, the method of determining platform district under the ammeter by detection signal strength of the present invention, comprise: (1), the data that adopt corresponding several ammeters collected in the First district of the first concentrator to send, the data that adopt corresponding several ammeters collected in second district of the second concentrator to send, in this embodiment, the first concentrator, the second concentrator select wireless mode to communicate by letter with each self-corresponding ammeter; (2), the first concentrator and the second concentrator to main platform, for example adopt the wire communication mode with the data transmission of the ammeter collected; (3), when main platform finds that the first concentrator and the second concentrator are collected the data that the same ammeter in First district or second district sends simultaneously, main platform sends control signal, instruction the first concentrator and the second concentrator detect respectively the intensity that this same ammeter sends signal, such as absolute value; And (4), this same ammeter of detecting respectively according to the first concentrator and the second concentrator send the size of the absolute value of signal, judges that this same ammeter belongs to receive large corresponding the district of concentrator of signal absolute value.
The present invention also discloses the device in the affiliated platform district of definite ammeter in a kind of Automatic meter reading system.
As a kind of non-limiting embodiment, of the present inventionly determine that by detection signal strength the device in platform district comprises under the ammeter: signal acquisition module, signal acquisition module is collected the data that several ammeters in the First district send by the first concentrator correspondence, and collects the data that several ammeters in second district send by the second concentrator correspondence; The data transmission of the ammeter that concentrator data transmission module, concentrator data transmission module are collected the first concentrator and the second concentrator is to main platform; The signal strength detection module, when main platform found that the first concentrator and the second concentrator are collected the data that the same ammeter in First district or second district sends simultaneously, signal strength detection module instruction the first concentrator and the second concentrator detected respectively the intensity that same ammeter sends signal; And platform district determination module, the same ammeter that platform district determination module detects respectively according to the first concentrator and the second concentrator sends the size of the intensity of signal, judges that same ammeter belongs to corresponding district of the large concentrator of received signal strength.
Selectively, the data that signal acquisition module can further be sent by corresponding several ammeters collected at least one other district of at least one other concentrator, the data transmission of the ammeter that the concentrator data transmission module can further be collected at least one other concentrator is to main platform; When main platform found that at least two concentrators in the first concentrator, the second concentrator and at least one other concentrator are collected the data that the same ammeter in First district, second district or at least one other district sends simultaneously, at least two concentrators that the signal strength detection module instruction is collected the data that same ammeter sends simultaneously detected respectively the intensity that this same ammeter sends signal; This same ammeter that platform district determination module detects respectively according at least two concentrators sends the size of the intensity of signal, judges corresponding district of concentrator that this same ammeter belongs to the received signal strength maximum.
Selectively, signal strength detection module at least two concentrators can instruction collecting simultaneously the data that same ammeter sends detect respectively power or the absolute value that same ammeter sends signal.The concentrator data transmission module can adopt wired or wireless mode the transmission of data.May further include the ammeter data transport module, the ammeter data transport module adopts wired or wireless mode to set up between the ammeter in each district and each self-corresponding concentrator and communicates by letter.
Although described preferred implementation of the present invention in detail at this, but should be understood that the present invention is not limited to the concrete structure of describing in detail and illustrating here, can be realized by those skilled in the art other modification and variant in the situation that do not depart from the spirit and scope of the invention.
Claims (10)
1. method of determining platform district under the ammeter by detection signal strength comprises:
(1) data that adopt corresponding several ammeters collected in the First district of the first concentrator to send, the data that adopt corresponding several ammeters collected in second district of the second concentrator to send;
(2) described the first concentrator and described the second concentrator with the data transmission of the ammeter collected to main platform;
(3) when described main platform finds that described the first concentrator and described the second concentrator are collected the data that the same ammeter in described First district or described second district sends simultaneously, described main platform sends control signal, and described the first concentrator of instruction and described the second concentrator detect respectively the intensity that described same ammeter sends signal; And
(4) the described same ammeter that detects respectively according to described the first concentrator and described the second concentrator sends the size of the intensity of signal, judges that described same ammeter belongs to corresponding district of the large concentrator of received signal strength.
2. the method for determining platform district under the ammeter by detection signal strength as claimed in claim 1, it is characterized in that, further comprise the data that adopt corresponding several ammeters collected at least one other district of at least one other concentrator to send, and with the data transmission of the ammeter collected to described main platform; When described main platform finds that at least two concentrators in described the first concentrator, described the second concentrator and described at least one other concentrator are collected the data that the same ammeter in described First district, described second district or described at least one other district sends simultaneously, described main platform sends control signal, and described at least two concentrators that the data that described same ammeter sends are collected in instruction simultaneously detect respectively the intensity that described same ammeter sends signal; The described same ammeter that detects respectively according to described at least two concentrators sends the size of the intensity of signal, judges corresponding district of concentrator that described same ammeter belongs to the received signal strength maximum.
3. the method for determining platform district under the ammeter by detection signal strength as claimed in claim 2 is characterized in that, described signal intensity is power or absolute value.
4. such as each described method of determining platform district under the ammeter by detection signal strength among the claim 1-3, it is characterized in that, described the first concentrator, described the second concentrator and described at least one other concentrator select wired or wireless mode to communicate by letter with described main platform.
5. such as each described method of determining platform district under the ammeter by detection signal strength among the claim 1-3, it is characterized in that, described the first concentrator, described the second concentrator and described at least one other concentrator select the self-corresponding described ammeter of wired or wireless mode and each to communicate by letter.
6. device of determining platform district under the ammeter by detection signal strength comprises:
Signal acquisition module, described signal acquisition module is collected the data that several ammeters in the First district send by the first concentrator correspondence, and collects the data that several ammeters in second district send by the second concentrator correspondence;
The data transmission of the ammeter that concentrator data transmission module, described concentrator data transmission module are collected described the first concentrator and described the second concentrator is to main platform;
The signal strength detection module, when described main platform found that described the first concentrator and described the second concentrator are collected the data that the same ammeter in described First district or described second district sends simultaneously, described the first concentrator of described signal strength detection module instruction and described the second concentrator detected respectively the intensity that described same ammeter sends signal; And
Platform district determination module, the described same ammeter that described district's determination module detects respectively according to described the first concentrator and described the second concentrator sends the size of the intensity of signal, judges that described same ammeter belongs to corresponding district of the large concentrator of received signal strength.
7. the device of determining platform district under the ammeter by detection signal strength as claimed in claim 6, it is characterized in that, the data transmission of the ammeter that the data that described signal acquisition module is further sent by corresponding several ammeters collected at least one other district of at least one other concentrator, described concentrator data transmission module are further collected described at least one other concentrator is to described main platform; When described main platform found that at least two concentrators in described the first concentrator, described the second concentrator and described at least one other concentrator are collected the data that the same ammeter in described First district, described second district or described at least one other district sends simultaneously, described at least two concentrators that described signal strength detection module instruction is collected the data that described same ammeter sends simultaneously detected respectively the intensity that described same ammeter sends signal; Described district's described same ammeter of detecting respectively according to described at least two concentrators of determination module sends the size of the intensity of signal, judges corresponding district of concentrator that described same ammeter belongs to the received signal strength maximum.
8. the device of determining platform district under the ammeter by detection signal strength as claimed in claim 7, it is characterized in that, described at least two concentrators that described signal strength detection module instruction is collected the data that described same ammeter sends simultaneously detect respectively power or the absolute value that described same ammeter sends signal.
9. such as each described device of determining platform district under the ammeter by detection signal strength among the claim 6-8, it is characterized in that, described concentrator data transmission module adopts wired or wireless mode the transmission of data.
10. such as each described device of determining platform district under the ammeter by detection signal strength among the claim 6-8, it is characterized in that, further comprise the ammeter data transport module, described ammeter data transport module adopts wired or wireless mode to set up between the ammeter in each district and each self-corresponding concentrator and communicates by letter.
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| CN106205102A (en) * | 2016-07-11 | 2016-12-07 | 国网福建省电力有限公司 | A kind of meter register method of power line carrier communication |
| CN108037416A (en) * | 2017-12-15 | 2018-05-15 | 浙江维思无线网络技术有限公司 | The method and device of circuit where a kind of definite ammeter |
| CN110769487A (en) * | 2018-07-27 | 2020-02-07 | 珠海格力电器股份有限公司 | Method for accessing terminal equipment, manager and power peak regulation system |
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| CN111815935A (en) * | 2020-06-18 | 2020-10-23 | 深圳讯智物联科技有限公司 | Method and device for identifying node home station area |
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| CN111462470A (en) * | 2020-05-19 | 2020-07-28 | 广州穗华能源科技有限公司 | Low-voltage distribution area topology identification method based on power line carrier attenuation characteristics |
| CN111815935A (en) * | 2020-06-18 | 2020-10-23 | 深圳讯智物联科技有限公司 | Method and device for identifying node home station area |
| CN111815935B (en) * | 2020-06-18 | 2022-03-29 | 深圳讯智物联科技有限公司 | Method and device for identifying node home station area |
| CN112492663A (en) * | 2020-11-20 | 2021-03-12 | 珠海格力电器股份有限公司 | Equipment access method, device, system, storage medium and electronic device |
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Address after: 100089 Haidian District, West Third Ring Road North, No. 87 International Finance Center, block D, Beijing, 503 Applicant after: Beijing Fuxing Xiaocheng Electronic Technology Stock Co., Ltd. Address before: 100089 Haidian District, West Third Ring Road North, No. 87 International Finance Center, block D, Beijing, 503 Applicant before: Beijing Fuxing Xiaocheng Electronic Technology Stock Co., Ltd. |
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Application publication date: 20130918 |