CN102176700A - Concentrator detecting device - Google Patents
Concentrator detecting device Download PDFInfo
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- CN102176700A CN102176700A CN2011100330239A CN201110033023A CN102176700A CN 102176700 A CN102176700 A CN 102176700A CN 2011100330239 A CN2011100330239 A CN 2011100330239A CN 201110033023 A CN201110033023 A CN 201110033023A CN 102176700 A CN102176700 A CN 102176700A
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- concentrator
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- concentrators
- voltage transformer
- voltage source
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Abstract
The invention discloses a concentrator detecting device, comprising a voltage source, a carrier electric energy meter and at least two voltage transformers, wherein the primary windings of the voltage transformers are connected with the voltage source and the secondary windings of the same are connected with a concentrator; the homonymous ends of the primary windings and the homonymous ends of the secondary windings of the voltage transformers are connected with normally open contacts of a first relay, and the coil of the first relay is connected with an upper computer via a level conversion unit and is electrified after receiving a control signal sent by the upper computer. When the concentrator detecting device is used for detecting the communication capability of a plurality of concentrators, one of the plurality of concentrators is selected to serve as the concentrator to be detected, the first relay corresponding to the concentrator to be detected is electrified, the normally open contact of the relay is closed, at the moment, all the concentrators except the concentrator to be detected are connected to the secondary windings of the voltage transformers, so that the interference of carrier signals of the plurality of concentrators can be prevented by means of the attenuation and isolation effects of the voltage transformers on the carrier signals of electric power lines, and simultaneously, other concentrators are unnecessary to switch off or take down.
Description
Technical field
The present invention relates to power information acquisition system technical field, more particularly, relate to a kind of concentrator checkout gear.
Background technology
In the power information acquisition system, concentrator can carry out data communication by power line carrier communication mode and electric energy meter.When concentrator is carried out the detection of carrier communication ability, because concentrator adopts the bus carrier communication mode, the frequency of the carrier signal that each concentrator sends is consistent with modulation system, if carry out the detection of a plurality of concentrators simultaneously, the interference of signal of communication will appear, so once can only finish the carrier communication aptitude tests of single concentrator, like this, when carrying out a plurality of concentrators when detecting, once can only remain a concentrator tests, with the outage of other concentrator or take off, cause inefficiency.
Summary of the invention
In view of this, the invention provides a kind of concentrator checkout gear, to solve the ineffective problem that exists when existing a plurality of concentrator detects.
For addressing the above problem, the existing scheme that proposes is as follows:
A kind of concentrator checkout gear comprises voltage source and carrier electric energy meter, also comprises at least two voltage transformers, wherein:
The elementary winding of described voltage transformer links to each other with described voltage source, and secondary winding links to each other with concentrator; The elementary winding end of the same name of described voltage transformer and secondary winding end of the same name are connected with the normally opened contact of first relay;
The coil of first relay is connected with host computer by level conversion unit, receives to get after host computer transmits control signal.
Preferably, described concentrator checkout gear also comprises: two ends are connected the attenuator between the elementary winding of described voltage source and voltage transformer, and the two ends of this attenuator also are connected with the normally opened contact of second relay;
The coil of second relay is connected with host computer by level conversion unit, receives to get after host computer transmits control signal.
From above-mentioned technical scheme as can be seen, in the concentrator checkout gear disclosed by the invention, concentrator links to each other with voltage source by voltage transformer, and the elementary winding end of the same name of described voltage transformer and secondary winding end of the same name are connected with the normally opened contact of first relay.When adopting concentrator checkout gear disclosed by the invention to detect the communication capacity of a plurality of concentrators, choose in a plurality of concentrators one as concentrator to be measured, give first relay power corresponding with it, the normally opened contact closure of this relay, at this moment, this concentrator to be measured is received in the elementary winding of voltage transformer; And, concentrator except that concentrator to be measured is connected on the secondary winding of voltage transformer, can utilize the decay buffer action of voltage transformer to the power line carrier signal, the carrier signal that prevents a plurality of concentrators is disturbed, do not need the outage of other concentrators or take off, solved in the prior art the ineffective problem that exists when a plurality of concentrators are detected.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of concentrator checkout gear of the embodiment of the invention;
Fig. 2 is the connection layout of disclosed first relay coil of the embodiment of the invention;
Fig. 3 is the structural representation of the disclosed a kind of concentrator checkout gear of another embodiment of the present invention;
Fig. 4 is the connection layout of disclosed second relay of another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention discloses a kind of concentrator checkout gear, to solve the ineffective problem that exists when existing a plurality of concentrator detects.
As shown in Figure 1, the disclosed concentrator checkout gear of present embodiment comprises: voltage source 101, carrier electric energy meter 102 and voltage transformer 103, wherein:
Carrier communication electric energy meter 102 links to each other with voltage source 101;
The quantity of voltage transformer 103 is at least two, and the elementary winding of each voltage transformer links to each other with voltage source 101, and secondary winding can connect a tested concentrator 105; And voltage transformer 103 elementary windings end of the same name and secondary winding end of the same name also are connected with the normally opened contact 104 of first relay.
As shown in Figure 2, the coil 108 of first relay is connected with host computer 106 by level conversion unit 107, host computer 106 sends a control signal to the coil 108 of first relay, it is electric that it is got, and that end of the same name that is connected voltage transformer 103 elementary windings and secondary winding also is connected with normally opened contact 104 closures of first relay.
When adopting the disclosed concentrator checkout gear of present embodiment to detect the communication capacity of a plurality of tested concentrators, choose in a plurality of tested concentrators one as concentrator to be measured, give first relay power corresponding with it, the normally opened contact closure of this relay, at this moment, this concentrator to be measured is received in the elementary winding of voltage transformer; And, concentrator except that concentrator to be measured is connected on the secondary winding of voltage transformer, can utilize the decay buffer action of voltage transformer to the power line carrier signal, the carrier signal that prevents a plurality of concentrators is disturbed, do not need the outage of other concentrators or take off, solved in the prior art the ineffective problem that exists when a plurality of concentrators are detected.
Another embodiment of the present invention also discloses a kind of concentrator checkout gear, as shown in Figure 2, comprising: comprising: voltage source 201, carrier electric energy meter 202, voltage transformer 203 and attenuator 207, wherein:
Carrier communication electric energy meter 202 links to each other with voltage source 201;
The quantity of voltage transformer 203 is at least two, and the elementary winding of each voltage transformer links to each other with voltage source 201, and secondary winding can connect a tested concentrator; And voltage transformer 203 elementary windings end of the same name and secondary winding end of the same name also are connected with the normally opened contact 204 of first relay;
The quantity of attenuator 207 is identical with the quantity of voltage transformer 203, and the two ends of each attenuator are connected on the elementary winding of voltage source 201 and voltage transformer 203, and the two ends of this attenuator also are connected with the normally opened contact 207 of second relay.
Equally, as shown in Figure 4, the coil 211 of second relay is connected with host computer 209 by level conversion unit 210, host computer 209 sends a control signal to the coil 211 of second relay, it is electric that it is got, and that is connected normally opened contact 204 closures that voltage transformer 203 elementary windings end of the same name and secondary winding end of the same name also are connected with second relay.
In the disclosed concentrator checkout gear of present embodiment, the attenuator 207 carrier signal 50dB that tested concentrator 205 or carrier communication electric energy meter send that can decay is mainly used in carrier communication performance to tested concentrator when detecting.
And when host computer 209 transmits control signal, by acting on the coil 211 of second relay behind the level conversion unit 210, it is electric that it is got, and then make normally opened contact 207 closures of second relay, finally can short circuit attenuator 206.
Need to prove, in this article, relational terms such as first and second grades only is used for an entity or operation are made a distinction with another entity or operation, and not necessarily requires or hint and have the relation of any this reality or in proper order between these entities or the operation.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. a concentrator checkout gear comprises voltage source and carrier electric energy meter, it is characterized in that, also comprises at least two voltage transformers, wherein:
The elementary winding of described voltage transformer links to each other with described voltage source, and secondary winding links to each other with concentrator; The elementary winding end of the same name of described voltage transformer and secondary winding end of the same name are connected with the normally opened contact of first relay;
The coil of first relay is connected with host computer by level conversion unit, receives to get after host computer transmits control signal.
2. device according to claim 1 is characterized in that, also comprises: two ends are connected the attenuator between the elementary winding of described voltage source and voltage transformer, and the two ends of this attenuator also are connected with the normally opened contact of second relay;
The coil of second relay is connected with host computer by level conversion unit, receives to get after host computer transmits control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033023 CN102176700B (en) | 2011-01-30 | 2011-01-30 | Concentrator detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110033023 CN102176700B (en) | 2011-01-30 | 2011-01-30 | Concentrator detecting device |
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| Publication Number | Publication Date |
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| CN102176700A true CN102176700A (en) | 2011-09-07 |
| CN102176700B CN102176700B (en) | 2013-03-13 |
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| CN 201110033023 Active CN102176700B (en) | 2011-01-30 | 2011-01-30 | Concentrator detecting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117890A (en) * | 2013-01-17 | 2013-05-22 | 中国电力科学研究院 | Device for testing concentrator local communication module interface protocol |
| CN107356897A (en) * | 2017-07-20 | 2017-11-17 | 云南电网有限责任公司电力科学研究院 | Carrier electric energy meter detecting system and detection method |
| CN107783074A (en) * | 2017-09-28 | 2018-03-09 | 云南电网有限责任公司电力科学研究院 | Bandwidth carrier detection system of electric energy meter and detection method |
| CN109347522A (en) * | 2018-09-20 | 2019-02-15 | 刘泰康 | Transmission system is isolated in induction information based on magnetic line of force medium |
Citations (5)
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| CN1072294A (en) * | 1991-11-08 | 1993-05-19 | 南京航空学院 | Multi-function automatic monitor for power consumption |
| CN1560638A (en) * | 2004-03-01 | 2005-01-05 | 齐长远 | Carrier data safety protection method and recording system device of pre-payment meter |
| US20060085346A1 (en) * | 2004-10-19 | 2006-04-20 | Riley Glen M | Automated topology discovery and management for electric meters |
| CN101231320A (en) * | 2008-01-31 | 2008-07-30 | 湖北省电力试验研究院 | Undervoltage collection copy system detecting device based on virtual electric energy meter module |
| CN101498777A (en) * | 2009-03-19 | 2009-08-05 | 重庆电力科学试验研究院 | Detection apparatus for carrier wave electric energy meter |
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2011
- 2011-01-30 CN CN 201110033023 patent/CN102176700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072294A (en) * | 1991-11-08 | 1993-05-19 | 南京航空学院 | Multi-function automatic monitor for power consumption |
| CN1560638A (en) * | 2004-03-01 | 2005-01-05 | 齐长远 | Carrier data safety protection method and recording system device of pre-payment meter |
| US20060085346A1 (en) * | 2004-10-19 | 2006-04-20 | Riley Glen M | Automated topology discovery and management for electric meters |
| CN101231320A (en) * | 2008-01-31 | 2008-07-30 | 湖北省电力试验研究院 | Undervoltage collection copy system detecting device based on virtual electric energy meter module |
| CN101498777A (en) * | 2009-03-19 | 2009-08-05 | 重庆电力科学试验研究院 | Detection apparatus for carrier wave electric energy meter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117890A (en) * | 2013-01-17 | 2013-05-22 | 中国电力科学研究院 | Device for testing concentrator local communication module interface protocol |
| CN107356897A (en) * | 2017-07-20 | 2017-11-17 | 云南电网有限责任公司电力科学研究院 | Carrier electric energy meter detecting system and detection method |
| CN107783074A (en) * | 2017-09-28 | 2018-03-09 | 云南电网有限责任公司电力科学研究院 | Bandwidth carrier detection system of electric energy meter and detection method |
| CN109347522A (en) * | 2018-09-20 | 2019-02-15 | 刘泰康 | Transmission system is isolated in induction information based on magnetic line of force medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102176700B (en) | 2013-03-13 |
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Address after: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Applicant after: CHONGQING ELECTRIC POWER Research Institute Address before: 401123 No. 80, Mount Huangshan Avenue, Yubei District, Chongqing Applicant before: Chongqing Electric Power Research Institute |
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